From 89b474bf33d3fc408b8a676c7fc9560bdeab95bb Mon Sep 17 00:00:00 2001 From: Isaac Muse Date: Wed, 8 Apr 2020 08:00:20 -0600 Subject: [PATCH] Added emoji icon integration (#1575) * Add emoji icons * Generate new build and ensure build is sane on WSL (windows) Normalize line endings to ensure when building in Windows Subsystem for Linux that the results are sane. Build new JS and CSS. * Attempt to fix netlify issue --- docs/extensions/pymdown.md | 29 ++++++++ ...d28521c5.min.js => bundle.0e29fb74.min.js} | 4 +- .../javascripts/bundle.0e29fb74.min.js.map | 1 + .../javascripts/bundle.d28521c5.min.js.map | 1 - .../javascripts/vendor.5b460a48.min.js.map | 1 - ...5b460a48.min.js => vendor.f45d2d8d.min.js} | 4 +- .../javascripts/vendor.f45d2d8d.min.js.map | 1 + .../worker/search.7f7c8775.min.js.map | 2 +- material/assets/manifest.json | 10 +-- ...c3000690.min.css => main.14de1027.min.css} | 2 +- material/base.html | 6 +- material/emoji.py | 67 +++++++++++++++++++ mkdocs.yml | 4 +- netlify.toml | 2 +- .../extensions/pymdown/_emoji.scss | 4 ++ src/emoji.py | 67 +++++++++++++++++++ webpack.config.ts | 2 +- 17 files changed, 187 insertions(+), 20 deletions(-) rename material/assets/javascripts/{bundle.d28521c5.min.js => bundle.0e29fb74.min.js} (89%) create mode 100644 material/assets/javascripts/bundle.0e29fb74.min.js.map delete mode 100644 material/assets/javascripts/bundle.d28521c5.min.js.map delete mode 100644 material/assets/javascripts/vendor.5b460a48.min.js.map rename material/assets/javascripts/{vendor.5b460a48.min.js => vendor.f45d2d8d.min.js} (90%) create mode 100644 material/assets/javascripts/vendor.f45d2d8d.min.js.map rename material/assets/stylesheets/{main.c3000690.min.css => main.14de1027.min.css} (72%) create mode 100644 material/emoji.py create mode 100644 src/emoji.py diff --git a/docs/extensions/pymdown.md b/docs/extensions/pymdown.md index e6e24d744..799334c08 100644 --- a/docs/extensions/pymdown.md +++ b/docs/extensions/pymdown.md @@ -201,6 +201,35 @@ To view all the available short names and emoji available, see files containing the short names and emoji associated with each supported index. +In addition, you can access all the Material icons and Fontawesome icons by using +MkDocs Material's custom emoji index. It extends the Twemoji index with new short +names that access any of the included icons. To use the custom index, you need to +use the following options when including the Emoji extension: + +``` + - pymdownx.emoji: + emoji_index: !!python/name:material.emoji.material + emoji_generator: !!python/name:material.emoji.to_svg +``` + +Then we can access any of the icons: + +=== "Markdown" + ``` + We can use Material Icons :material-airplane:. + + We can also use Fontawesome Icons :fontawesome-solid-ambulance:. + + That's not all, we can also use Octicons :octicons-octoface:. + ``` + +=== "Results" + We can use Material Icons :material-airplane:. + + We can also use Fontawesome Icons :fontawesome-solid-ambulance:. + + That's not all, we can also use Octicons :octicons-octoface:. + !!! warning "Legal disclaimer" Material has no affiliation with [JoyPixles][15] or [Twemoji][14], both diff --git a/material/assets/javascripts/bundle.d28521c5.min.js b/material/assets/javascripts/bundle.0e29fb74.min.js similarity index 89% rename from material/assets/javascripts/bundle.d28521c5.min.js 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Object(i.a)(Object(s.b)(u.a),Object(l.a)((function(t){var e=t.prev;e&&Object(p.a)(e)})),Object(d.a)(250),Object(s.b)(u.a),Object(l.a)((function(t){var e=t.next;Object(p.b)(e)})),Object(O.a)((function(){var e,n;try{for(var c=Object(r.f)(t),a=c.next();!a.done;a=c.next()){var o=a.value;Object(p.a)(Object(j.d)(".md-nav__list",o))}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}})))}},function(t,e,n){"use strict";var r=n(74);n.d(e,"mountTableOfContents",(function(){return r.a}));var c=n(48);n.o(c,"mountNavigation")&&n.d(e,"mountNavigation",(function(){return c.mountNavigation}))},function(t,e,n){"use strict";n.d(e,"a",(function(){return l}));var r=n(0),c=n(36),a=n(62),o=n(44),i=n(25),u=n(9),b=n(1),f=n(31),s=n(48);function l(t){var e=t.header$,n=t.main$,l=t.viewport$,d=t.tablet$;return Object(c.a)(Object(i.a)((function(t){return d.pipe(Object(i.a)((function(c){if(c){var 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Object(u.b)("header").pipe(Object(a.a)((function(t){return m.pipe(Object(o.a)("active"),(e=t,Object(c.a)(Object(p.b)(s.a),Object(i.a)((function(t){var n=t.active;!function(t,e){t.setAttribute("data-md-state",e?"shadow":"")}(e,n)})),Object(h.a)((function(){!function(t){t.removeAttribute("data-md-state")}(e)})))));var e}))).subscribe(),Object(c.a)(Object(a.a)((function(t){return function(t,e){var n=e.header$,r=e.viewport$,c=n.pipe(Object(l.a)("height"),Object(d.a)(),Object(O.a)(1)),i=c.pipe(Object(a.a)((function(){return Object(v.t)(t).pipe(Object(j.a)((function(e){var n=e.height;return{top:t.offsetTop,bottom:t.offsetTop+n}})))})),Object(o.a)("bottom"),Object(O.a)(1));return Object(f.a)([c,i,r]).pipe(Object(j.a)((function(t){var e=Object(b.c)(t,3),n=e[0],r=e[1],c=r.top,a=r.bottom,o=e[2],i=o.offset.y,u=o.size.height;return{offset:c-n,height:u=Math.max(0,u-Math.max(0,c-i,n)-Math.max(0,u+i-a)),active:c-n<=i}})),Object(d.a)((function(t,e){return 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t.scrollIntoView()}))}({document$:e,hash$:q}),{document$:e}.document$.pipe(Object(T.a)(1),Object(p.a)(Object(g.useComponent)("container")),Object($.a)((function(t){var e=Object(r.c)(t,2)[1];return Object(y.e)("script",e)}))).subscribe((function(t){var e,n;try{for(var c=Object(r.f)(t),a=c.next();!a.done;a=c.next()){var o=a.value;if(o.src||/(^|\/javascript)$/i.test(o.type)){var i=Object(y.a)("script"),u=o.src?"src":"textContent";i[u]=o[u],Object(y.j)(o,i)}}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}})),function(t){t.document$.pipe(Object($.a)((function(){return Object(y.d)(".md-source[href]")})),Object(l.a)((function(t){var e=t.href;return Object(N.a)(""+Object(N.c)(e),(function(){return M(e)}))})),Object(L.a)((function(){return C.a}))).subscribe((function(t){var e,n;try{for(var c=Object(r.f)(Object(y.e)(".md-source__repository")),a=c.next();!a.done;a=c.next()){var 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e,n,r=Object(g.c)(t,2)[1],c=r.title,a=r.head;document.dispatchEvent(new CustomEvent("DOMContentSwitch")),document.title=c;try{for(var o=Object(g.f)(['link[rel="canonical"]','meta[name="author"]','meta[name="description"]']),i=o.next();!i.done;i=o.next()){var u=i.value,f=Object(b.c)(u,a),s=Object(b.c)(u,document.head);void 0!==f&&void 0!==s&&Object(b.j)(s,f)}}catch(t){e={error:t}}finally{try{i&&!i.done&&(n=o.return)&&n.call(o)}finally{if(e)throw e.error}}})),n.pipe(Object(N.a)(250),Object(C.a)("offset")).subscribe((function(t){var e=t.offset;history.replaceState(e,"")})),Object(x.a)(i,f).pipe(Object(R.a)(2,1),Object(S.a)((function(t){var e=Object(g.c)(t,2),n=e[0],r=e[1];return n.url.pathname===r.url.pathname&&!Object(b.g)(r.url)})),Object(h.a)((function(t){return Object(g.c)(t,2)[1]}))).subscribe((function(t){var e=t.offset;Object(b.p)(e||{y:0})}))}var H=n(7);function P(){var t=Object(b.u)().pipe(Object(h.a)((function(t){return Object(g.a)({mode:Object(b.f)("search")?"search":"global"},t)})),Object(S.a)((function(t){if("global"===t.mode){var e=Object(b.b)();if(void 0!==e)return!Object(b.i)(e)}return!0})),Object(o.a)());return t.pipe(Object(S.a)((function(t){return"search"===t.mode})),Object(E.a)(Object(H.useComponent)("search-query"),Object(H.useComponent)("search-result"))).subscribe((function(t){var e=Object(g.c)(t,3),n=e[0],r=e[1],c=e[2],a=Object(b.b)();switch(n.type){case"Enter":a===r&&n.claim();break;case"Escape":case"Tab":Object(b.o)("search",!1),Object(b.k)(r,!1);break;case"ArrowUp":case"ArrowDown":if(void 0===a)Object(b.k)(r);else{var o=Object(g.d)([r],Object(b.e)("[href]",c)),i=Math.max(0,(Math.max(0,o.indexOf(a))+o.length+("ArrowUp"===n.type?-1:1))%o.length);Object(b.k)(o[i])}n.claim();break;default:r!==Object(b.b)()&&Object(b.k)(r)}})),t.pipe(Object(S.a)((function(t){return"global"===t.mode})),Object(E.a)(Object(H.useComponent)("search-query"))).subscribe((function(t){var e=Object(g.c)(t,2),n=e[0],r=e[1];switch(n.type){case"f":case"s":case"/":Object(b.k)(r),Object(b.l)(r),n.claim();break;case"p":case",":var c=Object(b.c)("[href][rel=prev]");void 0!==c&&c.click();break;case"n":case".":var a=Object(b.c)("[href][rel=next]");void 0!==a&&a.click()}})),t}var q=n(84);!function(){function t(t){var e=t.config,n=t.docs,r=t.pipeline,c=t.index;this.documents=function(t){var e,n,r=new Map;try{for(var c=Object(g.f)(t),a=c.next();!a.done;a=c.next()){var o=a.value,i=Object(g.c)(o.location.split("#"),2),u=i[0],b=i[1],f=o.location,s=o.title,l=q(o.text).replace(/\s+(?=[,.:;!?])/g,"").replace(/\s+/g," ");if(b){var d=r.get(u);d.linked?r.set(f,{location:f,title:s,text:l,parent:d}):(d.title=o.title,d.text=l,d.linked=!0)}else r.set(f,{location:f,title:s,text:l,linked:!1})}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}return r}(n),this.highlight=function(t){var e=new RegExp(t.separator,"img"),n=function(t,e,n){return 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r=n(36),c=n(25),a=n(9),o=n(1),i=n(31),u=n(47);function b(t){var e=t.header$,n=t.main$,b=t.viewport$,f=t.screen$;return Object(r.a)(Object(c.a)((function(t){return f.pipe(Object(c.a)((function(r){if(r)return Object(i.watchSidebar)(t,{main$:n,viewport$:b}).pipe(Object(i.applySidebar)(t,{header$:e}),Object(a.a)((function(t){return{sidebar:t}})));var c=Object(o.e)("nav",t);return Object(u.watchNavigationLayer)(c).pipe(Object(u.applyNavigationLayer)(c),Object(a.a)((function(t){return{layer:t}})))})))})))}},function(t,e,n){"use strict";var r=n(69);n.o(r,"applySidebar")&&n.d(e,"applySidebar",(function(){return r.applySidebar})),n.o(r,"mountNavigation")&&n.d(e,"mountNavigation",(function(){return r.mountNavigation})),n.o(r,"mountTableOfContents")&&n.d(e,"mountTableOfContents",(function(){return r.mountTableOfContents})),n.o(r,"mountTabs")&&n.d(e,"mountTabs",(function(){return r.mountTabs})),n.o(r,"watchSidebar")&&n.d(e,"watchSidebar",(function(){return r.watchSidebar}));var c=n(70);n.d(e,"applySidebar",(function(){return c.a})),n.d(e,"watchSidebar",(function(){return c.b}));n(21)},function(t,e){},function(t,e,n){"use strict";n.d(e,"b",(function(){return O})),n.d(e,"a",(function(){return j}));var r=n(0),c=n(62),a=n(36),o=n(59),i=n(9),u=n(49),b=n(46),f=n(92),s=n(58),l=n(64),d=n(21);function O(t,e){var n=e.main$,a=e.viewport$,o=t.parentElement.offsetTop-t.parentElement.parentElement.offsetTop;return Object(c.a)([n,a]).pipe(Object(i.a)((function(t){var e=Object(r.c)(t,2),n=e[0],c=n.offset,a=n.height,i=e[1].offset.y;return{height:a=a+Math.min(o,Math.max(0,i-c))-o,lock:i>=c+o}})),Object(u.a)((function(t,e){return t.height===e.height&&t.lock===e.lock})))}function j(t,e){var n=e.header$;return Object(a.a)(Object(b.b)(o.a),Object(f.a)(n),Object(s.a)((function(e){var n=Object(r.c)(e,2),c=n[0],a=c.height,o=c.lock,i=n[1].height;Object(d.d)(t,a),Object(d.e)(t,o),o?Object(d.f)(t,i):Object(d.c)(t)})),Object(i.a)((function(t){return Object(r.c)(t,1)[0]})),Object(l.a)((function(){Object(d.c)(t),Object(d.a)(t),Object(d.b)(t)})))}},function(t,e){},function(t,e,n){"use strict";n.d(e,"b",(function(){return h})),n.d(e,"a",(function(){return v}));var r=n(0),c=n(94),a=n(89),o=n(88),i=n(36),u=n(59),b=n(9),f=n(63),s=n(46),l=n(58),d=n(97),O=n(64),j=n(1),p=n(40);function h(t){var e,n,i=new Map;try{for(var u=Object(r.f)(t),s=u.next();!s.done;s=u.next()){var l=s.value,d=Object(j.c)("label",l);if(void 0!==d){var O=Object(j.d)("#"+d.htmlFor);i.set(O,l)}}}catch(t){e={error:t}}finally{try{s&&!s.done&&(n=u.return)&&n.call(u)}finally{if(e)throw e.error}}return a.a.apply(void 0,Object(r.d)(Object(r.d)(i.keys()).map((function(t){return Object(o.a)(t,"change")})))).pipe(Object(b.a)((function(){return Object(j.d)(".md-nav__list",i.get(Object(c.a)((function(t){return t.checked}),Object(r.d)(i.keys()))))}))).pipe(Object(b.a)((function(t){return{next:t}})),Object(f.a)((function(t,e){return{prev:t.next,next:e.next}})))}function v(t){return Object(i.a)(Object(s.b)(u.a),Object(l.a)((function(t){var e=t.prev;e&&Object(p.a)(e)})),Object(d.a)(250),Object(s.b)(u.a),Object(l.a)((function(t){var e=t.next;Object(p.b)(e)})),Object(O.a)((function(){var e,n;try{for(var c=Object(r.f)(t),a=c.next();!a.done;a=c.next()){var o=a.value;Object(p.a)(Object(j.d)(".md-nav__list",o))}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}})))}},function(t,e,n){"use strict";var r=n(74);n.d(e,"mountTableOfContents",(function(){return r.a}));var c=n(48);n.o(c,"mountNavigation")&&n.d(e,"mountNavigation",(function(){return c.mountNavigation}))},function(t,e,n){"use strict";n.d(e,"a",(function(){return l}));var r=n(0),c=n(36),a=n(62),o=n(44),i=n(25),u=n(9),b=n(1),f=n(31),s=n(48);function l(t){var e=t.header$,n=t.main$,l=t.viewport$,d=t.tablet$;return Object(c.a)(Object(i.a)((function(t){return d.pipe(Object(i.a)((function(c){if(c){var 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r=n(0),c=n(36),a=n(62),o=n(25),i=n(9),u=n(100),b=n(92),f=n(49),s=n(95),l=n(90),d=n(1),O=n(22),j=n(44),p=n(59),h=n(46),v=n(58),m=n(64);function y(t){var e=t.document$,n=t.viewport$;return Object(c.a)(Object(o.a)((function(t){var y=function(t,e){return e.document$.pipe(Object(i.a)((function(){var e=getComputedStyle(t);return["sticky","-webkit-sticky"].includes(e.position)})),Object(f.a)(),Object(o.a)((function(e){return e?Object(d.t)(t).pipe(Object(i.a)((function(t){return{sticky:!0,height:t.height}}))):Object(j.a)({sticky:!1,height:0})})),Object(l.a)(1))}(t,{document$:e}),g=Object(O.b)("main").pipe(Object(i.a)((function(t){return Object(d.c)("h1, h2, h3, h4, h5, h6",t)})),Object(u.a)((function(t){return void 0!==t})),Object(b.a)(Object(O.b)("header-title")),Object(o.a)((function(t){var e=Object(r.c)(t,2),a=e[0],o=e[1];return Object(d.B)(a,{header$:y,viewport$:n}).pipe(Object(i.a)((function(t){return t.offset.y>=a.offsetHeight?"page":"site"})),Object(f.a)(),function(t){return 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e}))).subscribe(),Object(c.a)(Object(a.a)((function(t){return function(t,e){var n=e.header$,r=e.viewport$,c=n.pipe(Object(l.a)("height"),Object(d.a)(),Object(O.a)(1)),i=c.pipe(Object(a.a)((function(){return Object(v.t)(t).pipe(Object(j.a)((function(e){var n=e.height;return{top:t.offsetTop,bottom:t.offsetTop+n}})))})),Object(o.a)("bottom"),Object(O.a)(1));return Object(f.a)([c,i,r]).pipe(Object(j.a)((function(t){var e=Object(b.c)(t,3),n=e[0],r=e[1],c=r.top,a=r.bottom,o=e[2],i=o.offset.y,u=o.size.height;return{offset:c-n,height:u=Math.max(0,u-Math.max(0,c-i,n)-Math.max(0,u+i-a)),active:c-n<=i}})),Object(d.a)((function(t,e){return t.offset===e.offset&&t.height===e.height&&t.active===e.active})))}(t,{header$:e,viewport$:n})})),Object(i.a)((function(t){return m.next(t)})))}},,,,,,function(t,e,n){"use strict";n.r(e),n.d(e,"setScrollLock",(function(){return H})),n.d(e,"resetScrollLock",(function(){return P})),n.d(e,"initialize",(function(){return q}));var r=n(0),c=n(111),a=n(41),o=n(62),i=n(59),u=n(88),b=n(89),f=n(115),s=n(90),l=n(25),d=n(102),O=n(58),j=n(97),p=n(92),h=n(46),v=n(100),m=n(114),y=n(1),g=n(7),w=n(16),x=n(113),$=n(9),S=n(104);var T=n(106);var k=n(110),C=n(105),A=n(98);function _(){return/(iPad|iPhone|iPod)/.test(navigator.userAgent)}var L=n(107),E=n(32),N=n(4),R=n(44);function M(t){switch(Object(r.c)(t.match(/(git(?:hub|lab))/i)||[],1)[0].toLowerCase()){case"github":var e=Object(r.c)(t.match(/^.+github\.com\/([^\/]+)\/?([^\/]+)/i),3);return function(t,e){return Object(f.a)({url:void 0!==e?"https://api.github.com/repos/"+t+"/"+e:"https://api.github.com/users/"+t,responseType:"json"}).pipe(Object(v.a)((function(t){return 200===t.status})),Object(d.a)("response"),Object(l.a)((function(t){if(void 0!==e){var n=t.stargazers_count,r=t.forks_count;return Object(R.a)([Object(N.e)(n||0)+" Stars",Object(N.e)(r||0)+" Forks"])}var c=t.public_repos;return Object(R.a)([Object(N.e)(c||0)+" Repositories"])})))}(e[1],e[2]);case"gitlab":var n=Object(r.c)(t.match(/^.+?([^\/]*gitlab[^\/]+)\/(.+)/i),3);return function(t,e){return Object(f.a)({url:"https://"+t+"/api/v4/projects/"+encodeURIComponent(e),responseType:"json"}).pipe(Object(v.a)((function(t){return 200===t.status})),Object(d.a)("response"),Object($.a)((function(t){var e=t.star_count,n=t.forks_count;return[Object(N.e)(e)+" Stars",Object(N.e)(n)+" Forks"]})))}(n[1],n[2]);default:return C.a}}function H(t,e){t.setAttribute("data-md-state","lock"),t.style.top="-"+e+"px"}function P(t){var e=-1*parseInt(t.style.top,10);t.removeAttribute("data-md-state"),t.style.top="",e&&window.scrollTo(0,e)}function q(t){if(!Object(N.d)(t))throw new SyntaxError("Invalid configuration: "+JSON.stringify(t));var e=Object(y.q)(),n=Object(y.v)(),R=Object(y.w)(t.base,{location$:n}),q=Object(y.x)(),U=Object(y.A)(),Q=Object(y.y)("(min-width: 960px)"),I=Object(y.y)("(min-width: 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t.scrollIntoView()}))}({document$:e,hash$:q}),{document$:e}.document$.pipe(Object(T.a)(1),Object(p.a)(Object(g.useComponent)("container")),Object($.a)((function(t){var e=Object(r.c)(t,2)[1];return Object(y.e)("script",e)}))).subscribe((function(t){var e,n;try{for(var c=Object(r.f)(t),a=c.next();!a.done;a=c.next()){var o=a.value;if(o.src||/(^|\/javascript)$/i.test(o.type)){var i=Object(y.a)("script"),u=o.src?"src":"textContent";i[u]=o[u],Object(y.j)(o,i)}}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}})),function(t){t.document$.pipe(Object($.a)((function(){return Object(y.d)(".md-source[href]")})),Object(l.a)((function(t){var e=t.href;return Object(N.a)(""+Object(N.c)(e),(function(){return M(e)}))})),Object(L.a)((function(){return C.a}))).subscribe((function(t){var e,n;try{for(var c=Object(r.f)(Object(y.e)(".md-source__repository")),a=c.next();!a.done;a=c.next()){var o=a.value;o.hasAttribute("data-md-state")||(o.setAttribute("data-md-state","done"),o.appendChild(Object(E.c)(t)))}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw e.error}}}))}({document$:e}),function(t){var e=t.document$,n=Object(y.a)("table");e.pipe(Object($.a)((function(){return Object(y.e)("table:not([class])")}))).subscribe((function(t){var e,c;try{for(var a=Object(r.f)(t),o=a.next();!o.done;o=a.next()){var i=o.value;Object(y.j)(i,n),Object(y.j)(n,Object(E.d)(i))}}catch(t){e={error:t}}finally{try{o&&!o.done&&(c=a.return)&&c.call(a)}finally{if(e)throw e.error}}}))}({document$:e}),function(t){var e=t.document$.pipe(Object($.a)((function(){return Object(y.e)("[data-md-scrollfix]")})),Object(s.a)(1));e.subscribe((function(t){var e,n;try{for(var c=Object(r.f)(t),a=c.next();!a.done;a=c.next()){a.value.removeAttribute("data-md-scrollfix")}}catch(t){e={error:t}}finally{try{a&&!a.done&&(n=c.return)&&n.call(c)}finally{if(e)throw 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V=Object(w.e)(),B=Object(w.d)({document$:e,dialog$:V}),D=Object(g.useComponent)("header").pipe(Object(g.mountHeader)({document$:e,viewport$:U}),Object(s.a)(1)),J=Object(g.useComponent)("main").pipe(Object(g.mountMain)({header$:D,viewport$:U}),Object(s.a)(1)),F=Object(g.useComponent)("navigation").pipe(Object(g.mountNavigation)({header$:D,main$:J,viewport$:U,screen$:I}),Object(s.a)(1)),K=Object(g.useComponent)("toc").pipe(Object(g.mountTableOfContents)({header$:D,main$:J,viewport$:U,tablet$:Q}),Object(s.a)(1)),Y=Object(g.useComponent)("tabs").pipe(Object(g.mountTabs)({header$:D,viewport$:U,screen$:I}),Object(s.a)(1)),W=Object(g.useComponent)("hero").pipe(Object(g.mountHero)({header$:D,viewport$:U}),Object(s.a)(1)),X=t.search&&t.search.index?t.search.index:void 0,Z=void 0!==X?Object(a.a)(X):R.pipe(Object(l.a)((function(t){return 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oldJsonpFunction = jsonpArray.push.bind(jsonpArray);\n \tjsonpArray.push = webpackJsonpCallback;\n \tjsonpArray = jsonpArray.slice();\n \tfor(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);\n \tvar parentJsonpFunction = oldJsonpFunction;\n\n\n \t// add entry module to deferred list\n \tdeferredModules.push([87,1]);\n \t// run deferred modules when ready\n \treturn checkDeferredModules();\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { ReplaySubject, Subject, fromEvent } from \"rxjs\"\r\nimport { mapTo } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch document\r\n *\r\n * Documents must be implemented as subjects, so all downstream observables are\r\n * automatically updated when a new document is emitted. This enabled features\r\n * like instant loading.\r\n *\r\n * @return Document subject\r\n */\r\nexport function watchDocument(): Subject {\r\n const document$ = new ReplaySubject()\r\n fromEvent(document, \"DOMContentLoaded\")\r\n .pipe(\r\n mapTo(document)\r\n )\r\n .subscribe(document$)\r\n\r\n /* Return document */\r\n return document$\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve an element matching the query selector\r\n *\r\n * @template T - Element type\r\n *\r\n * @param selector - Query selector\r\n * @param node - Node of reference\r\n *\r\n * @return Element or nothing\r\n */\r\nexport function getElement(\r\n selector: string, node: ParentNode = document\r\n): T | undefined {\r\n return node.querySelector(selector) || undefined\r\n}\r\n\r\n/**\r\n * Retrieve an element matching a query selector or throw a reference error\r\n *\r\n * @template T - Element type\r\n *\r\n * @param selector - Query selector\r\n * @param node - Node of reference\r\n *\r\n * @return Element\r\n */\r\nexport function getElementOrThrow(\r\n selector: string, node: ParentNode = document\r\n): T {\r\n const el = getElement(selector, node)\r\n if (typeof el === \"undefined\")\r\n throw new ReferenceError(\r\n `Missing element: expected \"${selector}\" to be present`\r\n )\r\n return el\r\n}\r\n\r\n/**\r\n * Retrieve the currently active element\r\n *\r\n * @return Element or nothing\r\n */\r\nexport function getActiveElement(): HTMLElement | undefined {\r\n return document.activeElement instanceof HTMLElement\r\n ? document.activeElement\r\n : undefined\r\n}\r\n\r\n/**\r\n * Retrieve all elements matching the query selector\r\n *\r\n * @template T - Element type\r\n *\r\n * @param selector - Query selector\r\n * @param node - Node of reference\r\n *\r\n * @return Elements\r\n */\r\nexport function getElements(\r\n selector: string, node: ParentNode = document\r\n): T[] {\r\n return Array.from(node.querySelectorAll(selector))\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create an element\r\n *\r\n * @template T - Tag name type\r\n *\r\n * @param tagName - Tag name\r\n *\r\n * @return Element\r\n */\r\nexport function createElement<\r\n T extends keyof HTMLElementTagNameMap\r\n>(tagName: T): HTMLElementTagNameMap[T] {\r\n return document.createElement(tagName)\r\n}\r\n\r\n/**\r\n * Replace an element with another element\r\n *\r\n * @param source - Source element\r\n * @param target - Target element\r\n */\r\nexport function replaceElement(\r\n source: HTMLElement, target: Node\r\n): void {\r\n source.replaceWith(target)\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent, merge } from \"rxjs\"\r\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\r\n\r\nimport { getActiveElement } from \"../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set element focus\r\n *\r\n * @param el - Element\r\n * @param value - Whether the element should be focused\r\n */\r\nexport function setElementFocus(\r\nel: HTMLElement, value: boolean = true\r\n): void {\r\n if (value)\r\n el.focus()\r\n else\r\n el.blur()\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch element focus\r\n *\r\n * @param el - Element\r\n *\r\n * @return Element focus observable\r\n */\r\nexport function watchElementFocus(\r\n el: HTMLElement\r\n): Observable {\r\n return merge(\r\n fromEvent(el, \"focus\"),\r\n fromEvent(el, \"blur\")\r\n )\r\n .pipe(\r\n map(({ type }) => type === \"focus\"),\r\n startWith(el === getActiveElement()),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent, merge } from \"rxjs\"\r\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Element offset\r\n */\r\nexport interface ElementOffset {\r\n x: number /* Horizontal offset */\r\n y: number /* Vertical offset */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve element offset\r\n *\r\n * @param el - Element\r\n *\r\n * @return Element offset\r\n */\r\nexport function getElementOffset(el: HTMLElement): ElementOffset {\r\n return {\r\n x: el.scrollLeft,\r\n y: el.scrollTop\r\n }\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch element offset\r\n *\r\n * @param el - Element\r\n *\r\n * @return Element offset observable\r\n */\r\nexport function watchElementOffset(\r\n el: HTMLElement\r\n): Observable {\r\n return merge(\r\n fromEvent(el, \"scroll\"),\r\n fromEvent(window, \"resize\")\r\n )\r\n .pipe(\r\n map(() => getElementOffset(el)),\r\n startWith(getElementOffset(el)),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set element text selection\r\n *\r\n * @param el - Element\r\n */\r\nexport function setElementSelection(\r\n el: HTMLElement\r\n): void {\r\n if (el instanceof HTMLInputElement)\r\n el.select()\r\n else\r\n throw new Error(\"Not implemented\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport ResizeObserver from \"resize-observer-polyfill\"\r\nimport { Observable, fromEventPattern } from \"rxjs\"\r\nimport { shareReplay, startWith } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Element offset\r\n */\r\nexport interface ElementSize {\r\n width: number /* Element width */\r\n height: number /* Element height */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve element size\r\n *\r\n * @param el - Element\r\n *\r\n * @return Element size\r\n */\r\nexport function getElementSize(el: HTMLElement): ElementSize {\r\n return {\r\n width: el.offsetWidth,\r\n height: el.offsetHeight\r\n }\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch element size\r\n *\r\n * @param el - Element\r\n *\r\n * @return Element size observable\r\n */\r\nexport function watchElementSize(\r\n el: HTMLElement\r\n): Observable {\r\n return fromEventPattern(next => {\r\n new ResizeObserver(([{ contentRect }]) => next({\r\n width: Math.round(contentRect.width),\r\n height: Math.round(contentRect.height)\r\n }))\r\n .observe(el)\r\n })\r\n .pipe(\r\n startWith(getElementSize(el)),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent } from \"rxjs\"\r\nimport { filter, map, share } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Key\r\n */\r\nexport interface Key {\r\n type: string /* Key type */\r\n claim(): void /* Key claim */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Check whether an element may receive keyboard input\r\n *\r\n * @param el - Element\r\n *\r\n * @return Test result\r\n */\r\nexport function isSusceptibleToKeyboard(el: HTMLElement): boolean {\r\n switch (el.tagName) {\r\n\r\n /* Form elements */\r\n case \"INPUT\":\r\n case \"SELECT\":\r\n case \"TEXTAREA\":\r\n return true\r\n\r\n /* Everything else */\r\n default:\r\n return el.isContentEditable\r\n }\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch keyboard\r\n *\r\n * @return Keyboard observable\r\n */\r\nexport function watchKeyboard(): Observable {\r\n return fromEvent(window, \"keydown\")\r\n .pipe(\r\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\r\n map(ev => ({\r\n type: ev.key,\r\n claim() {\r\n ev.preventDefault()\r\n ev.stopPropagation()\r\n }\r\n })),\r\n share()\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { BehaviorSubject, Subject } from \"rxjs\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve location\r\n *\r\n * This function will return a `URL` object (and not `Location`) in order to\r\n * normalize typings across the application. Furthermore, locations need to be\r\n * tracked without setting them and `Location` is a singleton which represents\r\n * the current location.\r\n *\r\n * @return URL\r\n */\r\nexport function getLocation(): URL {\r\n return new URL(location.href)\r\n}\r\n\r\n/**\r\n * Set location\r\n *\r\n * @param url - URL to change to\r\n */\r\nexport function setLocation(url: URL): void {\r\n location.href = url.href\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Check whether a URL is a local link or a file (except `.html`)\r\n *\r\n * @param url - URL or HTML anchor element\r\n * @param ref - Reference URL\r\n *\r\n * @return Test result\r\n */\r\nexport function isLocalLocation(\r\n url: URL | HTMLAnchorElement,\r\n ref: URL | Location = location\r\n): boolean {\r\n return url.host === ref.host\r\n && /^(?:\\/[\\w-]+)*(?:\\/?|\\.html)$/i.test(url.pathname)\r\n}\r\n\r\n/**\r\n * Check whether a URL is an anchor link on the current page\r\n *\r\n * @param url - URL or HTML anchor element\r\n * @param ref - Reference URL\r\n *\r\n * @return Test result\r\n */\r\nexport function isAnchorLocation(\r\n url: URL | HTMLAnchorElement,\r\n ref: URL | Location = location\r\n): boolean {\r\n return url.pathname === ref.pathname\r\n && url.hash.length > 0\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch location\r\n *\r\n * @return Location subject\r\n */\r\nexport function watchLocation(): Subject {\r\n return new BehaviorSubject(getLocation())\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable } from \"rxjs\"\r\nimport { map, shareReplay, take } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n location$: Observable /* Location observable */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch location base\r\n *\r\n * @return Location base observable\r\n */\r\nexport function watchLocationBase(\r\n base: string, { location$ }: WatchOptions\r\n): Observable {\r\n return location$\r\n .pipe(\r\n take(1),\r\n map(({ href }) => new URL(base, href)\r\n .toString()\r\n .replace(/\\/$/, \"\")\r\n ),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent } from \"rxjs\"\r\nimport { filter, map, share, startWith } from \"rxjs/operators\"\r\n\r\nimport { createElement } from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve location hash\r\n *\r\n * @return Location hash\r\n */\r\nexport function getLocationHash(): string {\r\n return location.hash.substring(1)\r\n}\r\n\r\n/**\r\n * Set location hash\r\n *\r\n * Setting a new fragment identifier via `location.hash` will have no effect\r\n * if the value doesn't change. When a new fragment identifier is set, we want\r\n * the browser to target the respective element at all times, which is why we\r\n * use this dirty little trick.\r\n *\r\n * @param hash - Location hash\r\n */\r\nexport function setLocationHash(hash: string): void {\r\n const el = createElement(\"a\")\r\n el.href = hash\r\n el.addEventListener(\"click\", ev => ev.stopPropagation())\r\n el.click()\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch location hash\r\n *\r\n * @return Location hash observable\r\n */\r\nexport function watchLocationHash(): Observable {\r\n return fromEvent(window, \"hashchange\")\r\n .pipe(\r\n map(getLocationHash),\r\n startWith(getLocationHash()),\r\n filter(hash => hash.length > 0),\r\n share()\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEventPattern } from \"rxjs\"\r\nimport { shareReplay, startWith } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch media query\r\n *\r\n * @param query - Media query\r\n *\r\n * @return Media observable\r\n */\r\nexport function watchMedia(query: string): Observable {\r\n const media = matchMedia(query)\r\n return fromEventPattern(next =>\r\n media.addListener(() => next(media.matches))\r\n )\r\n .pipe(\r\n startWith(media.matches),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent } from \"rxjs\"\r\nimport { map, startWith } from \"rxjs/operators\"\r\n\r\nimport { getElementOrThrow } from \"../element\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Toggle\r\n */\r\nexport type Toggle =\r\n | \"drawer\" /* Toggle for drawer */\r\n | \"search\" /* Toggle for search */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Toggle map\r\n */\r\nconst toggles: Record = {\r\n drawer: getElementOrThrow(`[data-md-toggle=drawer]`),\r\n search: getElementOrThrow(`[data-md-toggle=search]`)\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve the value of a toggle\r\n *\r\n * @param name - Toggle\r\n *\r\n * @return Toggle value\r\n */\r\nexport function getToggle(name: Toggle): boolean {\r\n return toggles[name].checked\r\n}\r\n\r\n/**\r\n * Set toggle\r\n *\r\n * Simulating a click event seems to be the most cross-browser compatible way\r\n * of changing the value while also emitting a `change` event. Before, Material\r\n * used `CustomEvent` to programmatically change the value of a toggle, but this\r\n * is a much simpler and cleaner solution which doesn't require a polyfill.\r\n *\r\n * @param name - Toggle\r\n * @param value - Toggle value\r\n */\r\nexport function setToggle(name: Toggle, value: boolean): void {\r\n if (toggles[name].checked !== value)\r\n toggles[name].click()\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch toggle\r\n *\r\n * @param name - Toggle\r\n *\r\n * @return Toggle value observable\r\n */\r\nexport function watchToggle(name: Toggle): Observable {\r\n const el = toggles[name]\r\n return fromEvent(el, \"change\")\r\n .pipe(\r\n map(() => el.checked),\r\n startWith(el.checked)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent, merge } from \"rxjs\"\r\nimport { map, startWith } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Viewport offset\r\n */\r\nexport interface ViewportOffset {\r\n x: number /* Horizontal offset */\r\n y: number /* Vertical offset */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve viewport offset\r\n *\r\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\r\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\r\n *\r\n * @return Viewport offset\r\n */\r\nexport function getViewportOffset(): ViewportOffset {\r\n return {\r\n x: Math.max(0, pageXOffset),\r\n y: Math.max(0, pageYOffset)\r\n }\r\n}\r\n\r\n/**\r\n * Set viewport offset\r\n *\r\n * @param offset - Viewport offset\r\n */\r\nexport function setViewportOffset(\r\n { x, y }: Partial\r\n): void {\r\n window.scrollTo(x || 0, y || 0)\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch viewport offset\r\n *\r\n * @return Viewport offset observable\r\n */\r\nexport function watchViewportOffset(): Observable {\r\n return merge(\r\n fromEvent(window, \"scroll\", { passive: true }),\r\n fromEvent(window, \"resize\", { passive: true })\r\n )\r\n .pipe(\r\n map(getViewportOffset),\r\n startWith(getViewportOffset())\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent } from \"rxjs\"\r\nimport { map, startWith } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Viewport size\r\n */\r\nexport interface ViewportSize {\r\n width: number /* Viewport width */\r\n height: number /* Viewport height */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Retrieve viewport size\r\n *\r\n * @return Viewport size\r\n */\r\nexport function getViewportSize(): ViewportSize {\r\n return {\r\n width: innerWidth,\r\n height: innerHeight\r\n }\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch viewport size\r\n *\r\n * @return Viewport size observable\r\n */\r\nexport function watchViewportSize(): Observable {\r\n return fromEvent(window, \"resize\", { passive: true })\r\n .pipe(\r\n map(getViewportSize),\r\n startWith(getViewportSize())\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, combineLatest } from \"rxjs\"\r\nimport {\r\n distinctUntilKeyChanged,\r\n map,\r\n shareReplay\r\n} from \"rxjs/operators\"\r\n\r\nimport { Header } from \"components\"\r\n\r\nimport {\r\n ViewportOffset,\r\n watchViewportOffset\r\n} from \"../offset\"\r\nimport {\r\n ViewportSize,\r\n watchViewportSize\r\n} from \"../size\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Viewport\r\n */\r\nexport interface Viewport {\r\n offset: ViewportOffset /* Viewport offset */\r\n size: ViewportSize /* Viewport size */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch at options\r\n */\r\ninterface WatchAtOptions {\r\n header$: Observable
/* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch viewport\r\n *\r\n * @return Viewport observable\r\n */\r\nexport function watchViewport(): Observable {\r\n return combineLatest([\r\n watchViewportOffset(),\r\n watchViewportSize()\r\n ])\r\n .pipe(\r\n map(([offset, size]) => ({ offset, size })),\r\n shareReplay(1)\r\n )\r\n}\r\n\r\n/**\r\n * Watch viewport relative to element\r\n *\r\n * @param el - Element\r\n * @param options - Options\r\n *\r\n * @return Viewport observable\r\n */\r\nexport function watchViewportAt(\r\n el: HTMLElement, { header$, viewport$ }: WatchAtOptions\r\n): Observable {\r\n const size$ = viewport$\r\n .pipe(\r\n distinctUntilKeyChanged(\"size\")\r\n )\r\n\r\n /* Compute element offset */\r\n const offset$ = combineLatest([size$, header$])\r\n .pipe(\r\n map((): ViewportOffset => ({\r\n x: el.offsetLeft,\r\n y: el.offsetTop\r\n }))\r\n )\r\n\r\n /* Compute relative viewport, return hot observable */\r\n return combineLatest([header$, viewport$, offset$])\r\n .pipe(\r\n map(([{ height }, { offset, size }, { x, y }]) => ({\r\n offset: {\r\n x: offset.x - x,\r\n y: offset.y - y + height\r\n },\r\n size\r\n })),\r\n shareReplay(1)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, Subject, fromEventPattern } from \"rxjs\"\r\nimport {\r\n pluck,\r\n share,\r\n switchMapTo,\r\n tap,\r\n throttle\r\n} from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Worker message\r\n */\r\nexport interface WorkerMessage {\r\n type: unknown /* Message type */\r\n data?: unknown /* Message data */\r\n}\r\n\r\n/**\r\n * Worker handler\r\n *\r\n * @template T - Message type\r\n */\r\nexport interface WorkerHandler<\r\n T extends WorkerMessage\r\n> {\r\n tx$: Subject /* Message transmission subject */\r\n rx$: Observable /* Message receive observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n *\r\n * @template T - Worker message type\r\n */\r\ninterface WatchOptions {\r\n tx$: Observable /* Message transmission observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch a web worker\r\n *\r\n * This function returns an observable that will send all values emitted by the\r\n * message observable to the web worker. Web worker communication is expected\r\n * to be bidirectional (request-response) and synchronous. Messages that are\r\n * emitted during a pending request are throttled, the last one is emitted.\r\n *\r\n * @param worker - Web worker\r\n * @param options - Options\r\n *\r\n * @return Worker message observable\r\n */\r\nexport function watchWorker(\r\n worker: Worker, { tx$ }: WatchOptions\r\n): Observable {\r\n\r\n /* Intercept messages from worker-like objects */\r\n const rx$ = fromEventPattern(next =>\r\n worker.addEventListener(\"message\", next)\r\n )\r\n .pipe(\r\n pluck(\"data\")\r\n )\r\n\r\n /* Send and receive messages, return hot observable */\r\n return tx$\r\n .pipe(\r\n throttle(() => rx$, { leading: true, trailing: true }),\r\n tap(message => worker.postMessage(message)),\r\n switchMapTo(rx$),\r\n share()\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchIndex, SearchTransformFn } from \"integrations\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Feature flags\r\n */\r\nexport type Feature =\r\n | \"tabs\" /* Tabs navigation */\r\n | \"instant\" /* Instant loading\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Configuration\r\n */\r\nexport interface Config {\r\n base: string /* Base URL */\r\n features: Feature[] /* Feature flags */\r\n search: {\r\n worker: string /* Worker URL */\r\n index?: Promise /* Promise resolving with index */\r\n transform?: SearchTransformFn /* Transformation function */\r\n }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Ensure that the given value is a valid configuration\r\n *\r\n * We could use `jsonschema` or any other schema validation framework, but that\r\n * would just add more bloat to the bundle, so we'll keep it plain and simple.\r\n *\r\n * @param config - Configuration\r\n *\r\n * @return Test result\r\n */\r\nexport function isConfig(config: any): config is Config {\r\n return typeof config === \"object\"\r\n && typeof config.base === \"string\"\r\n && typeof config.features === \"object\"\r\n && typeof config.search === \"object\"\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n// tslint:disable no-null-keyword\r\n\r\nimport { JSX as JSXInternal } from \"preact\"\r\nimport { keys } from \"ramda\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * HTML and SVG attributes\r\n */\r\ntype Attributes =\r\n & JSXInternal.HTMLAttributes\r\n & JSXInternal.SVGAttributes\r\n & Record\r\n\r\n/**\r\n * Child element\r\n */\r\ntype Child =\r\n | HTMLElement\r\n | SVGElement\r\n | Text\r\n | string\r\n | number\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create an element\r\n *\r\n * @param tagName - HTML or SVG tag\r\n *\r\n * @return Element\r\n */\r\nfunction createElement(tagName: string): HTMLElement | SVGElement {\r\n switch (tagName) {\r\n\r\n /* SVG elements */\r\n case \"svg\":\r\n case \"path\":\r\n return document.createElementNS(\"http://www.w3.org/2000/svg\", tagName)\r\n\r\n /* HTML elements */\r\n default:\r\n return document.createElement(tagName)\r\n }\r\n}\r\n\r\n/**\r\n * Set an attribute\r\n *\r\n * @param el - Element\r\n * @param name - Attribute name\r\n * @param value - Attribute value\r\n */\r\nfunction setAttribute(\r\n el: HTMLElement | SVGElement, name: string, value: string) {\r\n switch (name) {\r\n\r\n /* Attributes to be ignored */\r\n case \"xmlns\":\r\n break\r\n\r\n /* Attributes of SVG elements */\r\n case \"viewBox\":\r\n case \"d\":\r\n if (typeof value !== \"boolean\")\r\n el.setAttributeNS(null, name, value)\r\n else if (value)\r\n el.setAttributeNS(null, name, \"\")\r\n break\r\n\r\n /* Attributes of HTML elements */\r\n default:\r\n if (typeof value !== \"boolean\")\r\n el.setAttribute(name, value)\r\n else if (value)\r\n el.setAttribute(name, \"\")\r\n }\r\n}\r\n\r\n/**\r\n * Append a child node to an element\r\n *\r\n * @param el - Element\r\n * @param child - Child node(s)\r\n */\r\nfunction appendChild(\r\n el: HTMLElement | SVGElement, child: Child | Child[]\r\n): void {\r\n\r\n /* Handle primitive types (including raw HTML) */\r\n if (typeof child === \"string\" || typeof child === \"number\") {\r\n el.innerHTML += child.toString()\r\n\r\n /* Handle nodes */\r\n } else if (child instanceof Node) {\r\n el.appendChild(child)\r\n\r\n /* Handle nested children */\r\n } else if (Array.isArray(child)) {\r\n for (const node of child)\r\n appendChild(el, node)\r\n }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * JSX factory\r\n *\r\n * @param tagName - HTML or SVG tag\r\n * @param attributes - HTML attributes\r\n * @param children - Child elements\r\n *\r\n * @return Element\r\n */\r\nexport function h(\r\n tagName: string, attributes: Attributes | null, ...children: Child[]\r\n): HTMLElement | SVGElement {\r\n const el = createElement(tagName)\r\n\r\n /* Set attributes, if any */\r\n if (attributes)\r\n for (const attr of keys(attributes))\r\n setAttribute(el, attr, attributes[attr])\r\n\r\n /* Append child nodes */\r\n for (const child of children)\r\n appendChild(el, child)\r\n\r\n /* Return element */\r\n return el\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Namespace\r\n * ------------------------------------------------------------------------- */\r\n\r\nexport declare namespace h {\r\n namespace JSX {\r\n type Element = HTMLElement | SVGElement\r\n type IntrinsicElements = JSXInternal.IntrinsicElements\r\n }\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, defer, of } from \"rxjs\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Cache the last value emitted by an observable in session storage\r\n *\r\n * If the key is not found in session storage, the factory is executed and the\r\n * latest value emitted will automatically be persisted to sessions storage.\r\n * Note that the values emitted by the returned observable must be serializable\r\n * as `JSON`, or data will be lost.\r\n *\r\n * @template T - Value type\r\n *\r\n * @param key - Cache key\r\n * @param factory - Observable factory\r\n *\r\n * @return Value observable\r\n */\r\nexport function cache(\r\n key: string, factory: () => Observable\r\n): Observable {\r\n return defer(() => {\r\n const data = sessionStorage.getItem(key)\r\n if (data) {\r\n return of(JSON.parse(data) as T)\r\n\r\n /* Retrieve value from observable factory and write to storage */\r\n } else {\r\n const value$ = factory()\r\n value$.subscribe(value => {\r\n try {\r\n sessionStorage.setItem(key, JSON.stringify(value))\r\n } catch (err) {\r\n /* Uncritical, just swallow */\r\n }\r\n })\r\n\r\n /* Return value */\r\n return value$\r\n }\r\n })\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { getElementOrThrow } from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Translation keys\r\n */\r\ntype TranslateKey =\r\n | \"clipboard.copy\" /* Copy to clipboard */\r\n | \"clipboard.copied\" /* Copied to clipboard */\r\n | \"search.config.lang\" /* Search language */\r\n | \"search.config.pipeline\" /* Search pipeline */\r\n | \"search.config.separator\" /* Search separator */\r\n | \"search.result.placeholder\" /* Type to start searching */\r\n | \"search.result.none\" /* No matching documents */\r\n | \"search.result.one\" /* 1 matching document */\r\n | \"search.result.other\" /* # matching documents */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Translations\r\n */\r\nlet lang: Record\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Translate the given key\r\n *\r\n * @param key - Key to be translated\r\n * @param value - Value to be replaced\r\n *\r\n * @return Translation\r\n */\r\nexport function translate(key: TranslateKey, value?: string): string {\r\n if (typeof lang === \"undefined\") {\r\n const el = getElementOrThrow(\"#__lang\")\r\n lang = JSON.parse(el.textContent!)\r\n }\r\n if (typeof lang[key] === \"undefined\") {\r\n throw new ReferenceError(`Invalid translation: ${key}`)\r\n }\r\n return typeof value !== \"undefined\"\r\n ? lang[key].replace(\"#\", value)\r\n : lang[key]\r\n}\r\n\r\n/**\r\n * Truncate a string after the given number of characters\r\n *\r\n * This is not a very reasonable approach, since the summaries kind of suck.\r\n * It would be better to create something more intelligent, highlighting the\r\n * search occurrences and making a better summary out of it, but this note was\r\n * written three years ago, so who knows if we'll ever fix it.\r\n *\r\n * @param value - Value to be truncated\r\n * @param n - Number of characters\r\n *\r\n * @return Truncated value\r\n */\r\nexport function truncate(value: string, n: number): string {\r\n let i = n\r\n if (value.length > i) {\r\n while (value[i] !== \" \" && --i > 0); // tslint:disable-line\r\n return `${value.substring(0, i)}...`\r\n }\r\n return value\r\n}\r\n\r\n/**\r\n * Round a number for display with source facts\r\n *\r\n * This is a reverse engineered version of GitHub's weird rounding algorithm\r\n * for stars, forks and all other numbers. While all numbers below `1,000` are\r\n * returned as-is, bigger numbers are converted to fixed numbers:\r\n *\r\n * - `1,049` => `1k`\r\n * - `1,050` => `1.1k`\r\n * - `1,949` => `1.9k`\r\n * - `1,950` => `2k`\r\n *\r\n * @param value - Original value\r\n *\r\n * @return Rounded value\r\n */\r\nexport function round(value: number): string {\r\n if (value > 999) {\r\n const digits = +((value - 950) % 1000 > 99)\r\n return `${((value + 1) / 1000).toFixed(digits)}k`\r\n } else {\r\n return value.toString()\r\n }\r\n}\r\n\r\n/**\r\n * Simple hash function\r\n *\r\n * @see https://bit.ly/2wsVjJ4 - Original source\r\n *\r\n * @param value - Value to be hashed\r\n *\r\n * @return Hash as 32bit integer\r\n */\r\nexport function hash(value: string): number {\r\n let h = 0\r\n for (let i = 0, len = value.length; i < len; i++) {\r\n h = ((h << 5) - h) + value.charCodeAt(i)\r\n h |= 0 // Convert to 32bit integer\r\n }\r\n return h\r\n }\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./header\"\r\nexport * from \"./hero\"\r\nexport * from \"./main\"\r\nexport * from \"./navigation\"\r\nexport * from \"./search\"\r\nexport * from \"./shared\"\r\nexport * from \"./tabs\"\r\nexport * from \"./toc\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport * as ClipboardJS from \"clipboard\"\r\nimport { NEVER, Observable, Subject, fromEventPattern } from \"rxjs\"\r\nimport { mapTo, share, tap } from \"rxjs/operators\"\r\n\r\nimport { getElements } from \"browser\"\r\nimport { renderClipboardButton } from \"templates\"\r\nimport { translate } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Setup options\r\n */\r\ninterface SetupOptions {\r\n document$: Observable /* Document observable */\r\n dialog$: Subject /* Dialog subject */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up clipboard\r\n *\r\n * This function implements the Clipboard.js integration and injects a button\r\n * into all code blocks when the document changes.\r\n *\r\n * @param options - Options\r\n *\r\n * @return Clipboard observable\r\n */\r\nexport function setupClipboard(\r\n { document$, dialog$ }: SetupOptions\r\n): Observable {\r\n if (!ClipboardJS.isSupported())\r\n return NEVER\r\n\r\n /* Inject 'copy-to-clipboard' buttons */\r\n document$.subscribe(() => {\r\n const blocks = getElements(\"pre > code\")\r\n blocks.forEach((block, index) => {\r\n const parent = block.parentElement!\r\n parent.id = `__code_${index}`\r\n parent.insertBefore(renderClipboardButton(parent.id), block)\r\n })\r\n })\r\n\r\n /* Initialize clipboard */\r\n const clipboard$ = fromEventPattern(next => {\r\n new ClipboardJS(\".md-clipboard\").on(\"success\", next)\r\n })\r\n .pipe(\r\n share()\r\n )\r\n\r\n /* Display notification for clipboard event */\r\n clipboard$\r\n .pipe(\r\n tap(ev => ev.clearSelection()),\r\n mapTo(translate(\"clipboard.copied\"))\r\n )\r\n .subscribe(dialog$)\r\n\r\n /* Return clipboard */\r\n return clipboard$\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Subject, animationFrameScheduler, of } from \"rxjs\"\r\nimport {\r\n delay,\r\n map,\r\n observeOn,\r\n switchMap,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { createElement } from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Setup options\r\n */\r\ninterface SetupOptions {\r\n duration?: number /* Display duration (default: 2s) */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up dialog\r\n *\r\n * @param options - Options\r\n *\r\n * @return Dialog observable\r\n */\r\nexport function setupDialog(\r\n { duration }: SetupOptions = {}\r\n): Subject {\r\n const dialog$ = new Subject()\r\n\r\n /* Create dialog */\r\n const dialog = createElement(\"div\") // TODO: improve scoping\r\n dialog.classList.add(\"md-dialog\", \"md-typeset\")\r\n\r\n /* Display dialog */\r\n dialog$\r\n .pipe(\r\n switchMap(text => of(document.body) // useComponent(\"container\")\r\n .pipe(\r\n map(container => container.appendChild(dialog)),\r\n observeOn(animationFrameScheduler),\r\n delay(1), // Strangley it doesnt work when we push things to the new animation frame...\r\n tap(el => {\r\n el.innerHTML = text\r\n el.setAttribute(\"data-md-state\", \"open\")\r\n }),\r\n delay(duration || 2000),\r\n tap(el => el.removeAttribute(\"data-md-state\")),\r\n delay(400),\r\n tap(el => {\r\n el.innerHTML = \"\"\r\n el.remove()\r\n })\r\n )\r\n )\r\n )\r\n .subscribe()\r\n\r\n /* Return dialog */\r\n return dialog$\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { NEVER, Observable, Subject, fromEvent, merge, of } from \"rxjs\"\r\nimport { ajax } from \"rxjs//ajax\"\r\nimport {\r\n bufferCount,\r\n catchError,\r\n debounceTime,\r\n distinctUntilChanged,\r\n distinctUntilKeyChanged,\r\n filter,\r\n map,\r\n pluck,\r\n sample,\r\n share,\r\n skip,\r\n switchMap,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport {\r\n Viewport,\r\n ViewportOffset,\r\n getElement,\r\n isAnchorLocation,\r\n isLocalLocation,\r\n replaceElement,\r\n setLocation,\r\n setLocationHash,\r\n setToggle,\r\n setViewportOffset\r\n} from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * History state\r\n */\r\ninterface State {\r\n url: URL /* State URL */\r\n offset?: ViewportOffset /* State viewport offset */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Setup options\r\n */\r\ninterface SetupOptions {\r\n document$: Subject /* Document subject */\r\n location$: Subject /* Location subject */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up instant loading\r\n *\r\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\r\n * since all MkDocs links are relative, we need to make sure that the current\r\n * location matches the document we just loaded. Otherwise any relative links\r\n * in the document could use the old location.\r\n *\r\n * This is the reason why we need to synchronize history events and the process\r\n * of fetching the document for navigation changes (except `popstate` events):\r\n *\r\n * 1. Fetch document via `XMLHTTPRequest`\r\n * 2. Set new location via `history.pushState`\r\n * 3. Parse and emit fetched document\r\n *\r\n * For `popstate` events, we must not use `history.pushState`, or the forward\r\n * history will be irreversibly overwritten. In case the request fails, the\r\n * location change is dispatched regularly.\r\n *\r\n * @param options - Options\r\n */\r\nexport function setupInstantLoading(\r\n { document$, viewport$, location$ }: SetupOptions\r\n): void {\r\n\r\n /* Disable automatic scroll restoration */\r\n if (\"scrollRestoration\" in history)\r\n history.scrollRestoration = \"manual\"\r\n\r\n /* Hack: ensure that reloads restore viewport offset */\r\n fromEvent(window, \"beforeunload\")\r\n .subscribe(() => {\r\n history.scrollRestoration = \"auto\"\r\n })\r\n\r\n /* Hack: ensure absolute favicon link to omit 404s on document switch */\r\n const favicon = getElement(`link[rel=\"shortcut icon\"]`)\r\n if (typeof favicon !== \"undefined\")\r\n favicon.href = favicon.href // tslint:disable-line no-self-assignment\r\n\r\n /* Intercept link clicks and convert to state change */\r\n const state$ = fromEvent(document.body, \"click\")\r\n .pipe(\r\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\r\n switchMap(ev => {\r\n if (ev.target instanceof HTMLElement) {\r\n const el = ev.target.closest(\"a\")\r\n if (el && isLocalLocation(el)) {\r\n if (!isAnchorLocation(el))\r\n ev.preventDefault()\r\n return of(el)\r\n }\r\n }\r\n return NEVER\r\n }),\r\n map(el => ({ url: new URL(el.href) })),\r\n share()\r\n )\r\n\r\n /* Always close search on link click */\r\n state$.subscribe(() => {\r\n setToggle(\"search\", false)\r\n })\r\n\r\n /* Filter state changes to dispatch */\r\n const push$ = state$\r\n .pipe(\r\n filter(({ url }) => !isAnchorLocation(url)),\r\n share()\r\n )\r\n\r\n /* Intercept popstate events (history back and forward) */\r\n const pop$ = fromEvent(window, \"popstate\")\r\n .pipe(\r\n filter(ev => ev.state !== null),\r\n map(ev => ({\r\n url: new URL(location.href),\r\n offset: ev.state\r\n })),\r\n share()\r\n )\r\n\r\n /* Emit location change */\r\n merge(push$, pop$)\r\n .pipe(\r\n distinctUntilChanged((prev, next) => prev.url.href === next.url.href),\r\n pluck(\"url\")\r\n )\r\n .subscribe(location$)\r\n\r\n /* Fetch document on location change */\r\n const ajax$ = location$\r\n .pipe(\r\n distinctUntilKeyChanged(\"pathname\"),\r\n skip(1),\r\n switchMap(url => ajax({\r\n url: url.href,\r\n responseType: \"text\",\r\n withCredentials: true\r\n })\r\n .pipe(\r\n catchError(() => {\r\n setLocation(url)\r\n return NEVER\r\n })\r\n )\r\n )\r\n )\r\n\r\n /* Set new location as soon as the document was fetched */\r\n push$\r\n .pipe(\r\n sample(ajax$)\r\n )\r\n .subscribe(({ url }) => {\r\n history.pushState({}, \"\", url.toString())\r\n })\r\n\r\n /* Parse and emit document */\r\n const dom = new DOMParser()\r\n ajax$\r\n .pipe(\r\n map(({ response }) => dom.parseFromString(response, \"text/html\"))\r\n )\r\n .subscribe(document$)\r\n\r\n /* Intercept instant loading */\r\n const instant$ = merge(push$, pop$)\r\n .pipe(\r\n sample(document$)\r\n )\r\n\r\n // TODO: this must be combined with search scroll restoration on mobile\r\n instant$.subscribe(({ url, offset }) => {\r\n if (url.hash && !offset) {\r\n setLocationHash(url.hash)\r\n } else {\r\n setViewportOffset(offset || { y: 0 })\r\n }\r\n })\r\n\r\n /* Replace document metadata */\r\n instant$\r\n .pipe(\r\n withLatestFrom(document$)\r\n )\r\n .subscribe(([, { title, head }]) => {\r\n document.dispatchEvent(new CustomEvent(\"DOMContentSwitch\"))\r\n document.title = title\r\n\r\n /* Replace meta tags */\r\n for (const selector of [\r\n `link[rel=\"canonical\"]`,\r\n `meta[name=\"author\"]`,\r\n `meta[name=\"description\"]`\r\n ]) {\r\n const next = getElement(selector, head)\r\n const prev = getElement(selector, document.head)\r\n if (\r\n typeof next !== \"undefined\" &&\r\n typeof prev !== \"undefined\"\r\n ) {\r\n replaceElement(prev, next)\r\n }\r\n }\r\n })\r\n\r\n /* Debounce update of viewport offset */\r\n viewport$\r\n .pipe(\r\n debounceTime(250),\r\n distinctUntilKeyChanged(\"offset\")\r\n )\r\n .subscribe(({ offset }) => {\r\n history.replaceState(offset, \"\")\r\n })\r\n\r\n /* Set viewport offset from history */\r\n merge(state$, pop$)\r\n .pipe(\r\n bufferCount(2, 1),\r\n filter(([prev, next]) => {\r\n return prev.url.pathname === next.url.pathname\r\n && !isAnchorLocation(next.url)\r\n }),\r\n map(([, state]) => state)\r\n )\r\n .subscribe(({ offset }) => {\r\n setViewportOffset(offset || { y: 0 })\r\n })\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable } from \"rxjs\"\r\nimport {\r\n filter,\r\n map,\r\n share,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport {\r\n Key,\r\n getActiveElement,\r\n getElement,\r\n getElements,\r\n getToggle,\r\n isSusceptibleToKeyboard,\r\n setElementFocus,\r\n setElementSelection,\r\n setToggle,\r\n watchKeyboard\r\n} from \"browser\"\r\nimport { useComponent } from \"components\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Keyboard mode\r\n */\r\nexport type KeyboardMode =\r\n | \"global\" /* Global */\r\n | \"search\" /* Search is open */\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Keyboard\r\n */\r\nexport interface Keyboard extends Key {\r\n mode: KeyboardMode /* Keyboard mode */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up keyboard\r\n *\r\n * This function will set up the keyboard handlers and ensure that keys are\r\n * correctly propagated. Currently there are two modes:\r\n *\r\n * - `global`: This mode is active when the search is closed. It is intended\r\n * to assign hotkeys to specific functions of the site. Currently the search,\r\n * previous and next page can be triggered.\r\n *\r\n * - `search`: This mode is active when the search is open. It maps certain\r\n * navigational keys to offer search results that can be entirely navigated\r\n * through keyboard input.\r\n *\r\n * The keyboard observable is returned and can be used to monitor the keyboard\r\n * in order toassign further hotkeys to custom functions.\r\n *\r\n * @return Keyboard observable\r\n */\r\nexport function setupKeyboard(): Observable {\r\n const keyboard$ = watchKeyboard()\r\n .pipe(\r\n map(key => ({\r\n mode: getToggle(\"search\") ? \"search\" : \"global\",\r\n ...key\r\n })),\r\n filter(({ mode }) => {\r\n if (mode === \"global\") {\r\n const active = getActiveElement()\r\n if (typeof active !== \"undefined\")\r\n return !isSusceptibleToKeyboard(active)\r\n }\r\n return true\r\n }),\r\n share()\r\n )\r\n\r\n /* Set up search keyboard handlers */\r\n keyboard$\r\n .pipe(\r\n filter(({ mode }) => mode === \"search\"),\r\n withLatestFrom(\r\n useComponent(\"search-query\"),\r\n useComponent(\"search-result\")\r\n )\r\n )\r\n .subscribe(([key, query, result]) => {\r\n const active = getActiveElement()\r\n switch (key.type) {\r\n\r\n /* Enter: prevent form submission */\r\n case \"Enter\":\r\n if (active === query)\r\n key.claim()\r\n break\r\n\r\n /* Escape or Tab: close search */\r\n case \"Escape\":\r\n case \"Tab\":\r\n setToggle(\"search\", false)\r\n setElementFocus(query, false)\r\n break\r\n\r\n /* Vertical arrows: select previous or next search result */\r\n case \"ArrowUp\":\r\n case \"ArrowDown\":\r\n if (typeof active === \"undefined\") {\r\n setElementFocus(query)\r\n } else {\r\n const els = [query, ...getElements(\"[href]\", result)]\r\n const i = Math.max(0, (\r\n Math.max(0, els.indexOf(active)) + els.length + (\r\n key.type === \"ArrowUp\" ? -1 : +1\r\n )\r\n ) % els.length)\r\n setElementFocus(els[i])\r\n }\r\n\r\n /* Prevent scrolling of page */\r\n key.claim()\r\n break\r\n\r\n /* All other keys: hand to search query */\r\n default:\r\n if (query !== getActiveElement())\r\n setElementFocus(query)\r\n }\r\n })\r\n\r\n /* Set up global keyboard handlers */\r\n keyboard$\r\n .pipe(\r\n filter(({ mode }) => mode === \"global\"),\r\n withLatestFrom(useComponent(\"search-query\"))\r\n )\r\n .subscribe(([key, query]) => {\r\n switch (key.type) {\r\n\r\n /* Open search and select query */\r\n case \"f\":\r\n case \"s\":\r\n case \"/\":\r\n setElementFocus(query)\r\n setElementSelection(query)\r\n key.claim()\r\n break\r\n\r\n /* Go to previous page */\r\n case \"p\":\r\n case \",\":\r\n const prev = getElement(\"[href][rel=prev]\")\r\n if (typeof prev !== \"undefined\")\r\n prev.click()\r\n break\r\n\r\n /* Go to next page */\r\n case \"n\":\r\n case \".\":\r\n const next = getElement(\"[href][rel=next]\")\r\n if (typeof next !== \"undefined\")\r\n next.click()\r\n break\r\n }\r\n })\r\n\r\n /* Return keyboard */\r\n return keyboard$\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n ArticleDocument,\r\n SearchDocumentMap,\r\n SectionDocument,\r\n setupSearchDocumentMap\r\n} from \"../document\"\r\nimport {\r\n SearchHighlightFactoryFn,\r\n setupSearchHighlighter\r\n} from \"../highlighter\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index configuration\r\n */\r\nexport interface SearchIndexConfig {\r\n lang: string[] /* Search languages */\r\n separator: string /* Search separator */\r\n}\r\n\r\n/**\r\n * Search index document\r\n */\r\nexport interface SearchIndexDocument {\r\n location: string /* Document location */\r\n title: string /* Document title */\r\n text: string /* Document text */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index pipeline function\r\n */\r\nexport type SearchIndexPipelineFn =\r\n | \"stemmer\" /* Stemmer */\r\n | \"stopWordFilter\" /* Stop word filter */\r\n | \"trimmer\" /* Trimmer */\r\n\r\n/**\r\n * Search index pipeline\r\n */\r\nexport type SearchIndexPipeline = SearchIndexPipelineFn[]\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index\r\n *\r\n * This interfaces describes the format of the `search_index.json` file which\r\n * is automatically built by the MkDocs search plugin.\r\n */\r\nexport interface SearchIndex {\r\n config: SearchIndexConfig /* Search index configuration */\r\n docs: SearchIndexDocument[] /* Search index documents */\r\n index?: object | string /* Prebuilt or serialized index */\r\n pipeline?: SearchIndexPipeline /* Search index pipeline */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search result\r\n */\r\nexport interface SearchResult {\r\n article: ArticleDocument /* Article document */\r\n sections: SectionDocument[] /* Section documents */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Class\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search\r\n *\r\n * Note that `lunr` is injected via Webpack, as it will otherwise also be\r\n * bundled in the application bundle.\r\n */\r\nexport class Search {\r\n\r\n /**\r\n * Search document mapping\r\n *\r\n * A mapping of URLs (including hash fragments) to the actual articles and\r\n * sections of the documentation. The search document mapping must be created\r\n * regardless of whether the index was prebuilt or not, as `lunr` itself will\r\n * only store the actual index.\r\n */\r\n protected documents: SearchDocumentMap\r\n\r\n /**\r\n * Search highlight factory function\r\n */\r\n protected highlight: SearchHighlightFactoryFn\r\n\r\n /**\r\n * The `lunr` search index\r\n */\r\n protected index: lunr.Index\r\n\r\n /**\r\n * Create the search integration\r\n *\r\n * @param data - Search index\r\n */\r\n public constructor({ config, docs, pipeline, index }: SearchIndex) {\r\n this.documents = setupSearchDocumentMap(docs)\r\n this.highlight = setupSearchHighlighter(config)\r\n\r\n /* If no index was given, create it */\r\n if (typeof index === \"undefined\") {\r\n this.index = lunr(function() {\r\n pipeline = pipeline || [\"trimmer\", \"stopWordFilter\"]\r\n\r\n /* Set up pipeline according to configuration */\r\n this.pipeline.reset()\r\n for (const fn of pipeline)\r\n this.pipeline.add(lunr[fn])\r\n\r\n /* Set up alternate search languages */\r\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\r\n this.use((lunr as any)[config.lang[0]])\r\n } else if (config.lang.length > 1) {\r\n this.use((lunr as any).multiLanguage(...config.lang))\r\n }\r\n\r\n /* Set up fields and reference */\r\n this.field(\"title\", { boost: 1000 })\r\n this.field(\"text\")\r\n this.ref(\"location\")\r\n\r\n /* Index documents */\r\n for (const doc of docs)\r\n this.add(doc)\r\n })\r\n\r\n /* Prebuilt or serialized index */\r\n } else {\r\n this.index = lunr.Index.load(\r\n typeof index === \"string\"\r\n ? JSON.parse(index)\r\n : index\r\n )\r\n }\r\n }\r\n\r\n /**\r\n * Search for matching documents\r\n *\r\n * The search index which MkDocs provides is divided up into articles, which\r\n * contain the whole content of the individual pages, and sections, which only\r\n * contain the contents of the subsections obtained by breaking the individual\r\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\r\n * with indentical titles (for example within this very project, e.g. \"Usage\"\r\n * or \"Installation\"), they need to be put into the context of the containing\r\n * page. For this reason, section results are grouped within their respective\r\n * articles which are the top-level results that are returned.\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Search results\r\n */\r\n public query(value: string): SearchResult[] {\r\n if (value) {\r\n try {\r\n\r\n /* Group sections by containing article */\r\n const groups = this.index.search(value)\r\n .reduce((results, result) => {\r\n const document = this.documents.get(result.ref)\r\n if (typeof document !== \"undefined\") {\r\n if (\"parent\" in document) {\r\n const ref = document.parent.location\r\n results.set(ref, [...results.get(ref) || [], result])\r\n } else {\r\n const ref = document.location\r\n results.set(ref, results.get(ref) || [])\r\n }\r\n }\r\n return results\r\n }, new Map())\r\n\r\n /* Create highlighter for query */\r\n const fn = this.highlight(value)\r\n\r\n /* Map groups to search documents */\r\n return [...groups].map(([ref, sections]) => ({\r\n article: fn(this.documents.get(ref) as ArticleDocument),\r\n sections: sections.map(section => {\r\n return fn(this.documents.get(section.ref) as SectionDocument)\r\n })\r\n }))\r\n\r\n /* Log errors to console (for now) */\r\n } catch (err) {\r\n // tslint:disable-next-line no-console\r\n console.warn(`Invalid query: ${value} – see https://bit.ly/2s3ChXG`)\r\n }\r\n }\r\n\r\n /* Return nothing in case of error or empty query */\r\n return []\r\n }\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport * as escapeHTML from \"escape-html\"\r\n\r\nimport { SearchIndexDocument } from \"../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A top-level article\r\n */\r\nexport interface ArticleDocument extends SearchIndexDocument {\r\n linked: boolean /* Whether the section was linked */\r\n}\r\n\r\n/**\r\n * A section of an article\r\n */\r\nexport interface SectionDocument extends SearchIndexDocument {\r\n parent: ArticleDocument /* Parent article */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search document\r\n */\r\nexport type SearchDocument =\r\n | ArticleDocument\r\n | SectionDocument\r\n\r\n/**\r\n * Search document mapping\r\n */\r\nexport type SearchDocumentMap = Map\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create a search document mapping\r\n *\r\n * @param docs - Search index documents\r\n *\r\n * @return Search document map\r\n */\r\nexport function setupSearchDocumentMap(\r\n docs: SearchIndexDocument[]\r\n): SearchDocumentMap {\r\n const documents = new Map()\r\n for (const doc of docs) {\r\n const [path, hash] = doc.location.split(\"#\")\r\n\r\n /* Extract location and title */\r\n const location = doc.location\r\n const title = doc.title\r\n\r\n /* Escape and cleanup text */\r\n const text = escapeHTML(doc.text)\r\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\r\n .replace(/\\s+/g, \" \")\r\n\r\n /* Handle section */\r\n if (hash) {\r\n const parent = documents.get(path) as ArticleDocument\r\n\r\n /* Ignore first section, override article */\r\n if (!parent.linked) {\r\n parent.title = doc.title\r\n parent.text = text\r\n parent.linked = true\r\n\r\n /* Add subsequent section */\r\n } else {\r\n documents.set(location, {\r\n location,\r\n title,\r\n text,\r\n parent\r\n })\r\n }\r\n\r\n /* Add article */\r\n } else {\r\n documents.set(location, {\r\n location,\r\n title,\r\n text,\r\n linked: false\r\n })\r\n }\r\n }\r\n return documents\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchIndexConfig } from \"../_\"\r\nimport { SearchDocument } from \"../document\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search highlight function\r\n *\r\n * @template T - Search document type\r\n *\r\n * @param document - Search document\r\n *\r\n * @return Highlighted document\r\n */\r\nexport type SearchHighlightFn = <\r\n T extends SearchDocument\r\n>(document: Readonly) => T\r\n\r\n/**\r\n * Search highlight factory function\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Search highlight function\r\n */\r\nexport type SearchHighlightFactoryFn = (value: string) => SearchHighlightFn\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create a search highlighter\r\n *\r\n * @param config - Search index configuration\r\n *\r\n * @return Search highlight factory function\r\n */\r\nexport function setupSearchHighlighter(\r\n config: SearchIndexConfig\r\n): SearchHighlightFactoryFn {\r\n const separator = new RegExp(config.separator, \"img\")\r\n const highlight = (_: unknown, data: string, term: string) => {\r\n return `${data}${term}`\r\n }\r\n\r\n /* Return factory function */\r\n return (value: string) => {\r\n value = value\r\n .replace(/[\\s*+-:~^]+/g, \" \")\r\n .trim()\r\n\r\n /* Create search term match expression */\r\n const match = new RegExp(`(^|${config.separator})(${\r\n value\r\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\r\n .replace(separator, \"|\")\r\n })`, \"img\")\r\n\r\n /* Highlight document */\r\n return document => ({\r\n ...document,\r\n title: document.title.replace(match, highlight),\r\n text: document.text.replace(match, highlight)\r\n })\r\n }\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search transformation function\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Transformed query value\r\n */\r\nexport type SearchTransformFn = (value: string) => string\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Default transformation function\r\n *\r\n * Rogue control characters are filtered before handing the query to the\r\n * search index, as `lunr` will throw otherwise.\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Transformed query value\r\n */\r\nexport function defaultTransform(value: string): string {\r\n return value\r\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\r\n .trim()\r\n .replace(/\\s+|\\b$/g, \"* \")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchIndex, SearchResult } from \"../../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search message type\r\n */\r\nexport const enum SearchMessageType {\r\n SETUP, /* Search index setup */\r\n READY, /* Search index ready */\r\n QUERY, /* Search query */\r\n RESULT /* Search results */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A message containing the data necessary to setup the search index\r\n */\r\nexport interface SearchSetupMessage {\r\n type: SearchMessageType.SETUP /* Message type */\r\n data: SearchIndex /* Message data */\r\n}\r\n\r\n/**\r\n * A message indicating the search index is ready\r\n */\r\nexport interface SearchReadyMessage {\r\n type: SearchMessageType.READY /* Message type */\r\n}\r\n\r\n/**\r\n * A message containing a search query\r\n */\r\nexport interface SearchQueryMessage {\r\n type: SearchMessageType.QUERY /* Message type */\r\n data: string /* Message data */\r\n}\r\n\r\n/**\r\n * A message containing results for a search query\r\n */\r\nexport interface SearchResultMessage {\r\n type: SearchMessageType.RESULT /* Message type */\r\n data: SearchResult[] /* Message data */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A message exchanged with the search worker\r\n */\r\nexport type SearchMessage =\r\n | SearchSetupMessage\r\n | SearchReadyMessage\r\n | SearchQueryMessage\r\n | SearchResultMessage\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Type guard for search setup messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchSetupMessage(\r\n message: SearchMessage\r\n): message is SearchSetupMessage {\r\n return message.type === SearchMessageType.SETUP\r\n}\r\n\r\n/**\r\n * Type guard for search ready messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchReadyMessage(\r\n message: SearchMessage\r\n): message is SearchReadyMessage {\r\n return message.type === SearchMessageType.READY\r\n}\r\n\r\n/**\r\n * Type guard for search query messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchQueryMessage(\r\n message: SearchMessage\r\n): message is SearchQueryMessage {\r\n return message.type === SearchMessageType.QUERY\r\n}\r\n\r\n/**\r\n * Type guard for search result messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchResultMessage(\r\n message: SearchMessage\r\n): message is SearchResultMessage {\r\n return message.type === SearchMessageType.RESULT\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { identity } from \"ramda\"\r\nimport { Observable, Subject, asyncScheduler } from \"rxjs\"\r\nimport {\r\n map,\r\n observeOn,\r\n shareReplay,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport { WorkerHandler, watchWorker } from \"browser\"\r\nimport { translate } from \"utilities\"\r\n\r\nimport { SearchIndex, SearchIndexPipeline } from \"../../_\"\r\nimport {\r\n SearchMessage,\r\n SearchMessageType,\r\n SearchSetupMessage,\r\n isSearchResultMessage\r\n} from \"../message\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Setup options\r\n */\r\ninterface SetupOptions {\r\n index$: Observable /* Search index observable */\r\n base$: Observable /* Location base observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up search index\r\n *\r\n * @param data - Search index\r\n *\r\n * @return Search index\r\n */\r\nfunction setupSearchIndex(\r\n { config, docs, index }: SearchIndex\r\n): SearchIndex {\r\n\r\n /* Override default language with value from translation */\r\n if (config.lang.length === 1 && config.lang[0] === \"en\")\r\n config.lang = [translate(\"search.config.lang\")]\r\n\r\n /* Override default separator with value from translation */\r\n if (config.separator === \"[\\s\\-]+\")\r\n config.separator = translate(\"search.config.separator\")\r\n\r\n /* Set pipeline from translation */\r\n const pipeline = translate(\"search.config.pipeline\")\r\n .split(/\\s*,\\s*/)\r\n .filter(identity) as SearchIndexPipeline\r\n\r\n /* Return search index after defaulting */\r\n return { config, docs, index, pipeline }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up search web worker\r\n *\r\n * This function will create a web worker to set up and query the search index\r\n * which is done using `lunr`. The index must be passed as an observable to\r\n * enable hacks like _localsearch_ via search index embedding as JSON.\r\n *\r\n * @param url - Worker URL\r\n * @param options - Options\r\n *\r\n * @return Worker handler\r\n */\r\nexport function setupSearchWorker(\r\n url: string, { index$, base$ }: SetupOptions\r\n): WorkerHandler {\r\n const worker = new Worker(url)\r\n\r\n /* Create communication channels and resolve relative links */\r\n const tx$ = new Subject()\r\n const rx$ = watchWorker(worker, { tx$ })\r\n .pipe(\r\n withLatestFrom(base$),\r\n map(([message, base]) => {\r\n if (isSearchResultMessage(message)) {\r\n for (const { article, sections } of message.data) {\r\n article.location = `${base}/${article.location}`\r\n for (const section of sections)\r\n section.location = `${base}/${section.location}`\r\n }\r\n }\r\n return message\r\n }),\r\n shareReplay(1)\r\n )\r\n\r\n /* Set up search index */\r\n index$\r\n .pipe(\r\n map(index => ({\r\n type: SearchMessageType.SETUP,\r\n data: setupSearchIndex(index)\r\n })),\r\n observeOn(asyncScheduler)\r\n )\r\n .subscribe(tx$.next.bind(tx$))\r\n\r\n /* Return worker handler */\r\n return { tx$, rx$ }\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set sidebar offset\r\n *\r\n * @param el - Sidebar element\r\n * @param value - Sidebar offset\r\n */\r\nexport function setSidebarOffset(\r\n el: HTMLElement, value: number\r\n): void {\r\n el.style.top = `${value}px`\r\n}\r\n\r\n/**\r\n * Reset sidebar offset\r\n *\r\n * @param el - Sidebar element\r\n */\r\nexport function resetSidebarOffset(\r\n el: HTMLElement\r\n): void {\r\n el.style.top = \"\"\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set sidebar height\r\n *\r\n * @param el - Sidebar element\r\n * @param value - Sidebar height\r\n */\r\nexport function setSidebarHeight(\r\n el: HTMLElement, value: number\r\n): void {\r\n el.style.height = `${value}px`\r\n}\r\n\r\n/**\r\n * Reset sidebar height\r\n *\r\n * @param el - Sidebar element\r\n */\r\nexport function resetSidebarHeight(\r\n el: HTMLElement\r\n): void {\r\n el.style.height = \"\"\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set sidebar lock\r\n *\r\n * @param el - Sidebar element\r\n * @param value - Whether the sidebar is locked\r\n */\r\nexport function setSidebarLock(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"lock\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset sidebar lock\r\n *\r\n * @param el - Sidebar element\r\n */\r\nexport function resetSidebarLock(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { EMPTY, Observable, of } from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n map,\r\n scan,\r\n shareReplay,\r\n switchMap\r\n} from \"rxjs/operators\"\r\n\r\nimport { getElement, replaceElement } from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Component\r\n */\r\nexport type Component =\r\n | \"announce\" /* Announcement bar */\r\n | \"container\" /* Container */\r\n | \"header\" /* Header */\r\n | \"header-title\" /* Header title */\r\n | \"hero\" /* Hero */\r\n | \"main\" /* Main area */\r\n | \"navigation\" /* Navigation */\r\n | \"search\" /* Search */\r\n | \"search-query\" /* Search input */\r\n | \"search-reset\" /* Search reset */\r\n | \"search-result\" /* Search results */\r\n | \"skip\" /* Skip link */\r\n | \"tabs\" /* Tabs */\r\n | \"toc\" /* Table of contents */\r\n\r\n/**\r\n * Component map\r\n */\r\nexport type ComponentMap = {\r\n [P in Component]?: HTMLElement\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Component map observable\r\n */\r\nlet components$: Observable\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up bindings to components with given names\r\n *\r\n * This function will maintain bindings to the elements identified by the given\r\n * names in-between document switches and update the elements in-place.\r\n *\r\n * @param names - Component names\r\n * @param options - Options\r\n */\r\nexport function setupComponents(\r\n names: Component[], { document$ }: WatchOptions\r\n): void {\r\n components$ = document$\r\n .pipe(\r\n\r\n /* Build component map */\r\n map(document => names.reduce((components, name) => {\r\n const el = getElement(`[data-md-component=${name}]`, document)\r\n return {\r\n ...components,\r\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\r\n }\r\n }, {})),\r\n\r\n /* Re-compute component map on document switch */\r\n scan((prev, next) => {\r\n for (const name of names) {\r\n switch (name) {\r\n\r\n /* Top-level components: update */\r\n case \"announce\":\r\n case \"header-title\":\r\n case \"container\":\r\n case \"skip\":\r\n if (name in prev && typeof prev[name] !== \"undefined\") {\r\n replaceElement(prev[name]!, next[name]!)\r\n prev[name] = next[name]\r\n }\r\n break\r\n\r\n /* All other components: rebind */\r\n default:\r\n if (typeof next[name] !== \"undefined\")\r\n prev[name] = getElement(`[data-md-component=${name}]`)\r\n else\r\n delete prev[name]\r\n }\r\n }\r\n return prev\r\n }),\r\n\r\n /* Convert to hot observable */\r\n shareReplay(1)\r\n )\r\n}\r\n\r\n/**\r\n * Retrieve a component\r\n *\r\n * The returned observable will only re-emit if the element changed, i.e. if\r\n * it was replaced from a document which was switched to.\r\n *\r\n * @template T - Element type\r\n *\r\n * @param name - Component name\r\n *\r\n * @return Component observable\r\n */\r\nexport function useComponent(\r\n name: \"search-query\"\r\n): Observable\r\nexport function useComponent(\r\n name: Component\r\n): Observable\r\nexport function useComponent(\r\n name: Component\r\n): Observable {\r\n return components$\r\n .pipe(\r\n switchMap(components => (\r\n typeof components[name] !== \"undefined\"\r\n ? of(components[name] as T)\r\n : EMPTY\r\n )),\r\n distinctUntilChanged()\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set anchor blur\r\n *\r\n * @param el - Anchor element\r\n * @param value - Whether the anchor is blurred\r\n */\r\nexport function setAnchorBlur(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"blur\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset anchor blur\r\n *\r\n * @param el - Anchor element\r\n */\r\nexport function resetAnchorBlur(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set anchor active\r\n *\r\n * @param el - Anchor element\r\n * @param value - Whether the anchor is active\r\n */\r\nexport function setAnchorActive(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.classList.toggle(\"md-nav__link--active\", value)\r\n}\r\n\r\n/**\r\n * Reset anchor active\r\n *\r\n * @param el - Anchor element\r\n */\r\nexport function resetAnchorActive(\r\n el: HTMLElement\r\n): void {\r\n el.classList.remove(\"md-nav__link--active\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./sidebar\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { h, translate } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * CSS classes\r\n */\r\nconst css = {\r\n container: \"md-clipboard md-icon\"\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Path of `file-search-outline` icon\r\n */\r\nconst path =\r\n \"M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 \" +\r\n \"21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Render a 'copy-to-clipboard' button\r\n *\r\n * @param id - Unique identifier\r\n *\r\n * @return Element\r\n */\r\nexport function renderClipboardButton(\r\n id: string\r\n) {\r\n return (\r\n code`}\r\n >\r\n \r\n \r\n \r\n \r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchResult } from \"integrations/search\"\r\nimport { h, truncate } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * CSS classes\r\n */\r\nconst css = {\r\n item: \"md-search-result__item\",\r\n link: \"md-search-result__link\",\r\n article: \"md-search-result__article md-search-result__article--document\",\r\n section: \"md-search-result__article\",\r\n title: \"md-search-result__title\",\r\n teaser: \"md-search-result__teaser\"\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Path of `content-copy` icon\r\n */\r\nconst path =\r\n \"M14,2H6A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H13C12.59,21.75 12.2,21.44 \" +\r\n \"11.86,21.1C11.53,20.77 11.25,20.4 11,20H6V4H13V9H18V10.18C18.71,10.34 \" +\r\n \"19.39,10.61 20,11V8L14,2M20.31,18.9C21.64,16.79 21,14 \" +\r\n \"18.91,12.68C16.8,11.35 14,12 12.69,14.08C11.35,16.19 12,18.97 \" +\r\n \"14.09,20.3C15.55,21.23 17.41,21.23 \" +\r\n \"18.88,20.32L22,23.39L23.39,22L20.31,18.9M16.5,19A2.5,2.5 0 0,1 \" +\r\n \"14,16.5A2.5,2.5 0 0,1 16.5,14A2.5,2.5 0 0,1 19,16.5A2.5,2.5 0 0,1 16.5,19Z\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Render a search result\r\n *\r\n * @param result - Search result\r\n *\r\n * @return Element\r\n */\r\nexport function renderSearchResult(\r\n { article, sections }: SearchResult\r\n) {\r\n\r\n /* Render icon */\r\n const icon = (\r\n
\r\n \r\n \r\n \r\n
\r\n )\r\n\r\n /* Render article and sections */\r\n const children = [article, ...sections].map(document => {\r\n const { location, title, text } = document\r\n return (\r\n \r\n
\r\n {!(\"parent\" in document) && icon}\r\n

{title}

\r\n {text.length > 0 &&

{truncate(text, 320)}

}\r\n
\r\n \r\n )\r\n })\r\n\r\n /* Render search result */\r\n return (\r\n
  • \r\n {children}\r\n
    • \r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SourceFacts } from \"patches/source\"\r\nimport { h } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * CSS classes\r\n */\r\nconst css = {\r\n facts: \"md-source__facts\",\r\n fact: \"md-source__fact\"\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Render source facts\r\n *\r\n * @param facts - Source facts\r\n *\r\n * @return Element\r\n */\r\nexport function renderSource(\r\n facts: SourceFacts\r\n) {\r\n const children = facts.map(fact => (\r\n
  • {fact}
    • \r\n ))\r\n return (\r\n
      \r\n {children}\r\n
    \r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { h } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * CSS classes\r\n */\r\nconst css = {\r\n wrapper: \"md-typeset__scrollwrap\",\r\n table: \"md-typeset__table\"\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Render a table inside a wrapper to improve scrolling on mobile\r\n *\r\n * @param table - Table element\r\n *\r\n * @return Element\r\n */\r\nexport function renderTable(\r\n table: HTMLTableElement\r\n) {\r\n return (\r\n
    \r\n
    \r\n {table}\r\n
    \r\n
    \r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Global augmentations\r\n */\r\ndeclare global {\r\n interface CSSStyleDeclaration {\r\n webkitOverflowScrolling: \"touch\" | \"\"\r\n }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set overflow scrolling\r\n *\r\n * @param el - Scrollable element\r\n */\r\nexport function setOverflowScrolling(\r\n el: HTMLElement\r\n): void {\r\n el.style.webkitOverflowScrolling = \"touch\"\r\n}\r\n\r\n/**\r\n * Reset overflow scrolling\r\n *\r\n * @param el - Scrollable element\r\n */\r\nexport function resetOverflowScrolling(\r\n el: HTMLElement\r\n): void {\r\n el.style.webkitOverflowScrolling = \"\"\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./react\"\r\nexport * from \"./set\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./react\"\r\nexport * from \"./set\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./layer\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\r\nimport { map, switchMap } from \"rxjs/operators\"\r\n\r\nimport { Viewport, getElements } from \"browser\"\r\n\r\nimport { Header } from \"../../header\"\r\nimport { Main } from \"../../main\"\r\nimport {\r\n Sidebar,\r\n applySidebar,\r\n watchSidebar\r\n} from \"../../shared\"\r\nimport {\r\n NavigationLayer,\r\n applyNavigationLayer,\r\n watchNavigationLayer\r\n} from \"../layer\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Navigation for [screen -]\r\n */\r\ninterface NavigationBelowScreen {\r\n layer: NavigationLayer /* Active layer */\r\n}\r\n\r\n/**\r\n * Navigation for [screen +]\r\n */\r\ninterface NavigationAboveScreen {\r\n sidebar: Sidebar /* Sidebar */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Navigation\r\n */\r\nexport type Navigation =\r\n | NavigationBelowScreen\r\n | NavigationAboveScreen\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n header$: Observable
    /* Header observable */\r\n main$: Observable
    /* Main area observable */\r\n viewport$: Observable /* Viewport observable */\r\n screen$: Observable /* Screen media observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount navigation from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountNavigation(\r\n { header$, main$, viewport$, screen$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => screen$\r\n .pipe(\r\n switchMap(screen => {\r\n\r\n /* [screen +]: Mount navigation in sidebar */\r\n if (screen) {\r\n return watchSidebar(el, { main$, viewport$ })\r\n .pipe(\r\n applySidebar(el, { header$ }),\r\n map(sidebar => ({ sidebar }))\r\n )\r\n\r\n /* [screen -]: Mount navigation in drawer */\r\n } else {\r\n const els = getElements(\"nav\", el)\r\n return watchNavigationLayer(els)\r\n .pipe(\r\n applyNavigationLayer(els),\r\n map(layer => ({ layer }))\r\n )\r\n }\r\n })\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./react\"\r\nexport * from \"./set\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n combineLatest,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n finalize,\r\n map,\r\n observeOn,\r\n tap,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport { Viewport } from \"browser\"\r\n\r\nimport { Header } from \"../../../header\"\r\nimport { Main } from \"../../../main\"\r\nimport { Sidebar } from \"../_\"\r\nimport {\r\n resetSidebarHeight,\r\n resetSidebarLock,\r\n resetSidebarOffset,\r\n setSidebarHeight,\r\n setSidebarLock,\r\n setSidebarOffset\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n main$: Observable
    /* Main area observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/**\r\n * Apply options\r\n */\r\ninterface ApplyOptions {\r\n header$: Observable
    /* Header observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch sidebar\r\n *\r\n * This function returns an observable that computes the visual parameters of\r\n * the sidebar which depends on the vertical viewport offset, as well as the\r\n * height of the main area. When the page is scrolled beyond the header, the\r\n * sidebar is locked and fills the remaining space.\r\n *\r\n * @param el - Sidebar element\r\n * @param options - Options\r\n *\r\n * @return Sidebar observable\r\n */\r\nexport function watchSidebar(\r\n el: HTMLElement, { main$, viewport$ }: WatchOptions\r\n): Observable {\r\n const adjust = el.parentElement!.offsetTop\r\n - el.parentElement!.parentElement!.offsetTop\r\n\r\n /* Compute the sidebar's available height and if it should be locked */\r\n return combineLatest([main$, viewport$])\r\n .pipe(\r\n map(([{ offset, height }, { offset: { y } }]) => {\r\n height = height\r\n + Math.min(adjust, Math.max(0, y - offset))\r\n - adjust\r\n return {\r\n height,\r\n lock: y >= offset + adjust\r\n }\r\n }),\r\n distinctUntilChanged((a, b) => {\r\n return a.height === b.height\r\n && a.lock === b.lock\r\n })\r\n )\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply sidebar\r\n *\r\n * @param el - Sidebar element\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function applySidebar(\r\n el: HTMLElement, { header$ }: ApplyOptions\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n withLatestFrom(header$),\r\n tap(([{ height, lock }, { height: offset }]) => {\r\n setSidebarHeight(el, height)\r\n setSidebarLock(el, lock)\r\n\r\n /* Set offset in locked state depending on header height */\r\n if (lock)\r\n setSidebarOffset(el, offset)\r\n else\r\n resetSidebarOffset(el)\r\n }),\r\n\r\n /* Re-map to sidebar */\r\n map(([sidebar]) => sidebar),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetSidebarOffset(el)\r\n resetSidebarHeight(el)\r\n resetSidebarLock(el)\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { findLast } from \"ramda\"\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n fromEvent,\r\n merge,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n delay,\r\n finalize,\r\n map,\r\n observeOn,\r\n scan,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { getElement, getElementOrThrow } from \"browser\"\r\n\r\nimport { NavigationLayer } from \"../_\"\r\nimport {\r\n resetOverflowScrolling,\r\n setOverflowScrolling\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch navigation layer\r\n *\r\n * On iOS we want to add `-webkit-overflow-scrolling: touch` for the menus\r\n * contained in the drawer, but as the navigational layers are nested, we can\r\n * only add it to the topmost layer or extremely weird cropping will occur.\r\n * This implementation keeps track of the previous and current layer.\r\n *\r\n * @param els - Navigation elements\r\n *\r\n * @return Navigation layer observable\r\n */\r\nexport function watchNavigationLayer(\r\n els: HTMLElement[]\r\n): Observable {\r\n const table = new Map()\r\n for (const el of els) {\r\n const label = getElement(\"label\", el)\r\n if (typeof label !== \"undefined\") {\r\n const input = getElementOrThrow(`#${label.htmlFor}`)\r\n table.set(input, el)\r\n }\r\n }\r\n\r\n /* Determine topmost layer */\r\n const layer$ = merge(...[...table.keys()].map(input => (\r\n fromEvent(input, \"change\")\r\n )))\r\n .pipe(\r\n map(() => getElementOrThrow(\".md-nav__list\", table.get(\r\n findLast(({ checked }) => checked, [...table.keys()])!\r\n )))\r\n )\r\n\r\n /* Return previous and next layer */\r\n return layer$\r\n .pipe(\r\n map(next => ({ next })),\r\n scan(({ next: prev }, { next }) => ({ prev, next }))\r\n )\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply navigation layer\r\n *\r\n * @param els - Navigation elements\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyNavigationLayer(\r\n els: HTMLElement[]\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ prev }) => {\r\n if (prev)\r\n resetOverflowScrolling(prev)\r\n }),\r\n\r\n /* Wait until transition has finished */\r\n delay(250),\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ next }) => {\r\n setOverflowScrolling(next)\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n for (const el of els)\r\n resetOverflowScrolling(\r\n getElementOrThrow(\".md-nav__list\", el)\r\n )\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nexport * from \"./_\"\r\nexport * from \"./anchor\"\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n Observable,\r\n OperatorFunction,\r\n combineLatest,\r\n of,\r\n pipe\r\n} from \"rxjs\"\r\nimport { map, switchMap } from \"rxjs/operators\"\r\n\r\nimport { Viewport, getElements } from \"browser\"\r\n\r\nimport { Header } from \"../../header\"\r\nimport { Main } from \"../../main\"\r\nimport {\r\n Sidebar,\r\n applySidebar,\r\n watchSidebar\r\n} from \"../../shared\"\r\nimport {\r\n AnchorList,\r\n applyAnchorList,\r\n watchAnchorList\r\n} from \"../anchor\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Table of contents for [tablet -]\r\n */\r\ninterface TableOfContentsBelowTablet {} // tslint:disable-line\r\n\r\n/**\r\n * Table of contents for [tablet +]\r\n */\r\ninterface TableOfContentsAboveTablet {\r\n sidebar: Sidebar /* Sidebar */\r\n anchors: AnchorList /* Anchor list */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Table of contents\r\n */\r\nexport type TableOfContents =\r\n | TableOfContentsBelowTablet\r\n | TableOfContentsAboveTablet\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n header$: Observable
    /* Header observable */\r\n main$: Observable
    /* Main area observable */\r\n viewport$: Observable /* Viewport observable */\r\n tablet$: Observable /* Tablet media observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount table of contents from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountTableOfContents(\r\n { header$, main$, viewport$, tablet$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => tablet$\r\n .pipe(\r\n switchMap(tablet => {\r\n\r\n /* [tablet +]: Mount table of contents in sidebar */\r\n if (tablet) {\r\n const els = getElements(\".md-nav__link\", el)\r\n\r\n /* Watch and apply sidebar */\r\n const sidebar$ = watchSidebar(el, { main$, viewport$ })\r\n .pipe(\r\n applySidebar(el, { header$ })\r\n )\r\n\r\n /* Watch and apply anchor list (scroll spy) */\r\n const anchors$ = watchAnchorList(els, { header$, viewport$ })\r\n .pipe(\r\n applyAnchorList(els)\r\n )\r\n\r\n /* Combine into a single hot observable */\r\n return combineLatest([sidebar$, anchors$])\r\n .pipe(\r\n map(([sidebar, anchors]) => ({ sidebar, anchors }))\r\n )\r\n\r\n /* [tablet -]: Unmount table of contents */\r\n } else {\r\n return of({})\r\n }\r\n })\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { reverse } from \"ramda\"\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n combineLatest,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n bufferCount,\r\n distinctUntilChanged,\r\n distinctUntilKeyChanged,\r\n finalize,\r\n map,\r\n observeOn,\r\n scan,\r\n startWith,\r\n switchMap,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { Viewport, getElement, watchElementSize } from \"browser\"\r\n\r\nimport { Header } from \"../../../header\"\r\nimport { AnchorList } from \"../_\"\r\nimport {\r\n resetAnchorActive,\r\n resetAnchorBlur,\r\n setAnchorActive,\r\n setAnchorBlur\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n header$: Observable
    /* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch anchor list\r\n *\r\n * This is effectively a scroll-spy implementation which will account for the\r\n * fixed header and automatically re-calculate anchor offsets when the viewport\r\n * is resized. The returned observable will only emit if the anchor list needs\r\n * to be repainted.\r\n *\r\n * This implementation tracks an anchor element's entire path starting from its\r\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\r\n * Material theme currently doesn't make use of this information, it enables\r\n * the styling of the entire hierarchy through customization.\r\n *\r\n * Note that the current anchor is the last item of the `prev` anchor list.\r\n *\r\n * @param els - Anchor elements\r\n * @param options - Options\r\n *\r\n * @return Anchor list observable\r\n */\r\nexport function watchAnchorList(\r\n els: HTMLAnchorElement[], { header$, viewport$ }: WatchOptions\r\n): Observable {\r\n const table = new Map()\r\n for (const el of els) {\r\n const id = decodeURIComponent(el.hash.substring(1))\r\n const target = getElement(`[id=\"${id}\"]`)\r\n if (typeof target !== \"undefined\")\r\n table.set(el, target)\r\n }\r\n\r\n /* Compute necessary adjustment for header */\r\n const adjust$ = header$\r\n .pipe(\r\n map(header => 18 + header.height)\r\n )\r\n\r\n /* Compute partition of previous and next anchors */\r\n const partition$ = watchElementSize(document.body)\r\n .pipe(\r\n distinctUntilKeyChanged(\"height\"),\r\n\r\n /* Build index to map anchor paths to vertical offsets */\r\n map(() => {\r\n let path: HTMLAnchorElement[] = []\r\n return [...table].reduce((index, [anchor, target]) => {\r\n while (path.length) {\r\n const last = table.get(path[path.length - 1])!\r\n if (last.tagName >= target.tagName) {\r\n path.pop()\r\n } else {\r\n break\r\n }\r\n }\r\n\r\n /* If the current anchor is hidden, continue with its parent */\r\n let offset = target.offsetTop\r\n while (!offset && target.parentElement) {\r\n target = target.parentElement\r\n offset = target.offsetTop\r\n }\r\n\r\n /* Map reversed anchor path to vertical offset */\r\n return index.set(\r\n reverse(path = [...path, anchor]),\r\n offset\r\n )\r\n }, new Map())\r\n }),\r\n\r\n /* Re-compute partition when viewport offset changes */\r\n switchMap(index => combineLatest([adjust$, viewport$])\r\n .pipe(\r\n scan(([prev, next], [adjust, { offset: { y } }]) => {\r\n\r\n /* Look forward */\r\n while (next.length) {\r\n const [, offset] = next[0]\r\n if (offset - adjust < y) {\r\n prev = [...prev, next.shift()!]\r\n } else {\r\n break\r\n }\r\n }\r\n\r\n /* Look backward */\r\n while (prev.length) {\r\n const [, offset] = prev[prev.length - 1]\r\n if (offset - adjust >= y) {\r\n next = [prev.pop()!, ...next]\r\n } else {\r\n break\r\n }\r\n }\r\n\r\n /* Return partition */\r\n return [prev, next]\r\n }, [[], [...index]]),\r\n distinctUntilChanged((a, b) => {\r\n return a[0] === b[0]\r\n && a[1] === b[1]\r\n })\r\n )\r\n )\r\n )\r\n\r\n /* Compute and return anchor list migrations */\r\n return partition$\r\n .pipe(\r\n map(([prev, next]) => ({\r\n prev: prev.map(([path]) => path),\r\n next: next.map(([path]) => path)\r\n })),\r\n\r\n /* Extract anchor list migrations */\r\n startWith({ prev: [], next: [] }),\r\n bufferCount(2, 1),\r\n map(([a, b]) => {\r\n\r\n /* Moving down */\r\n if (a.prev.length < b.prev.length) {\r\n return {\r\n prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\r\n next: []\r\n }\r\n\r\n /* Moving up */\r\n } else {\r\n return {\r\n prev: b.prev.slice(-1),\r\n next: b.next.slice(0, b.next.length - a.next.length)\r\n }\r\n }\r\n })\r\n )\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply anchor list\r\n *\r\n * @param els - Anchor elements\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyAnchorList(\r\n els: HTMLAnchorElement[]\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ prev, next }) => {\r\n\r\n /* Look forward */\r\n for (const [el] of next) {\r\n resetAnchorActive(el)\r\n resetAnchorBlur(el)\r\n }\r\n\r\n /* Look backward */\r\n prev.forEach(([el], index) => {\r\n setAnchorActive(el, index === prev.length - 1)\r\n setAnchorBlur(el, true)\r\n })\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n for (const el of els) {\r\n resetAnchorActive(el)\r\n resetAnchorBlur(el)\r\n }\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\r\nimport { map, switchMap } from \"rxjs/operators\"\r\n\r\nimport { SearchResult } from \"integrations/search\"\r\n\r\nimport { SearchQuery } from \"../query\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search\r\n */\r\nexport interface Search {\r\n query: SearchQuery /* Search query */\r\n result: SearchResult[] /* Search result list */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n query$: Observable /* Search query observable */\r\n reset$: Observable /* Search reset observable */\r\n result$: Observable /* Search result observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount search from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountSearch(\r\n { query$, reset$, result$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(() => combineLatest([query$, result$, reset$])\r\n .pipe(\r\n map(([query, result]) => ({ query, result }))\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { OperatorFunction, pipe } from \"rxjs\"\r\nimport {\r\n distinctUntilKeyChanged,\r\n map,\r\n switchMap\r\n} from \"rxjs/operators\"\r\n\r\nimport { WorkerHandler, setToggle } from \"browser\"\r\nimport {\r\n SearchMessage,\r\n SearchMessageType,\r\n SearchQueryMessage,\r\n SearchTransformFn\r\n} from \"integrations\"\r\n\r\nimport { watchSearchQuery } from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search query\r\n */\r\nexport interface SearchQuery {\r\n value: string /* Query value */\r\n focus: boolean /* Query focus */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n transform?: SearchTransformFn /* Transformation function */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount search query from source observable\r\n *\r\n * @param handler - Worker handler\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountSearchQuery(\r\n { tx$ }: WorkerHandler, options: MountOptions = {}\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => {\r\n const query$ = watchSearchQuery(el, options)\r\n\r\n /* Subscribe worker to search query */\r\n query$\r\n .pipe(\r\n distinctUntilKeyChanged(\"value\"),\r\n map(({ value }): SearchQueryMessage => ({\r\n type: SearchMessageType.QUERY,\r\n data: value\r\n }))\r\n )\r\n .subscribe(tx$.next.bind(tx$))\r\n\r\n /* Toggle search on focus */\r\n query$\r\n .pipe(\r\n distinctUntilKeyChanged(\"focus\")\r\n )\r\n .subscribe(({ focus }) => {\r\n if (focus)\r\n setToggle(\"search\", focus)\r\n })\r\n\r\n /* Return search query */\r\n return query$\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, combineLatest, fromEvent, merge } from \"rxjs\"\r\nimport {\r\n delay,\r\n distinctUntilChanged,\r\n map,\r\n startWith\r\n} from \"rxjs/operators\"\r\n\r\nimport { watchElementFocus } from \"browser\"\r\nimport { SearchTransformFn, defaultTransform } from \"integrations\"\r\n\r\nimport { SearchQuery } from \"../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n transform?: SearchTransformFn /* Transformation function */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch search query\r\n *\r\n * Note that the focus event which triggers re-reading the current query value\r\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\r\n *\r\n * @param el - Search query element\r\n * @param options - Options\r\n *\r\n * @return Search query observable\r\n */\r\nexport function watchSearchQuery(\r\n el: HTMLInputElement, { transform }: WatchOptions = {}\r\n): Observable {\r\n const fn = transform || defaultTransform\r\n\r\n /* Intercept keyboard events */\r\n const value$ = merge(\r\n fromEvent(el, \"keyup\"),\r\n fromEvent(el, \"focus\").pipe(delay(1))\r\n )\r\n .pipe(\r\n map(() => fn(el.value)),\r\n startWith(fn(el.value)),\r\n distinctUntilChanged()\r\n )\r\n\r\n /* Intercept focus events */\r\n const focus$ = watchElementFocus(el)\r\n\r\n /* Combine into a single observable */\r\n return combineLatest([value$, focus$])\r\n .pipe(\r\n map(([value, focus]) => ({ value, focus }))\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { OperatorFunction, pipe } from \"rxjs\"\r\nimport {\r\n mapTo,\r\n startWith,\r\n switchMap,\r\n switchMapTo,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { setElementFocus } from \"browser\"\r\n\r\nimport { useComponent } from \"../../../_\"\r\nimport { watchSearchReset } from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount search reset from source observable\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountSearchReset(): OperatorFunction {\r\n return pipe(\r\n switchMap(el => watchSearchReset(el)\r\n .pipe(\r\n switchMapTo(useComponent(\"search-query\")),\r\n tap(setElementFocus),\r\n mapTo(undefined)\r\n )\r\n ),\r\n startWith(undefined)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, fromEvent } from \"rxjs\"\r\nimport { mapTo } from \"rxjs/operators\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch search reset\r\n *\r\n * @param el - Search reset element\r\n *\r\n * @return Search reset observable\r\n */\r\nexport function watchSearchReset(\r\n el: HTMLElement\r\n): Observable {\r\n return fromEvent(el, \"click\")\r\n .pipe(\r\n mapTo(undefined)\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { translate } from \"utilities\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set number of search results\r\n *\r\n * @param el - Search result metadata element\r\n * @param value - Number of results\r\n */\r\nexport function setSearchResultMeta(\r\n el: HTMLElement, value: number\r\n): void {\r\n switch (value) {\r\n\r\n /* No results */\r\n case 0:\r\n el.textContent = translate(\"search.result.none\")\r\n break\r\n\r\n /* One result */\r\n case 1:\r\n el.textContent = translate(\"search.result.one\")\r\n break\r\n\r\n /* Multiple result */\r\n default:\r\n el.textContent = translate(\"search.result.other\", value.toString())\r\n }\r\n}\r\n\r\n/**\r\n * Reset number of search results\r\n *\r\n * @param el - Search result metadata element\r\n */\r\nexport function resetSearchResultMeta(\r\n el: HTMLElement\r\n): void {\r\n el.textContent = translate(\"search.result.placeholder\")\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Add an element to the search result list\r\n *\r\n * @param el - Search result list element\r\n * @param child - Search result element\r\n */\r\nexport function addToSearchResultList(\r\n el: HTMLElement, child: Element\r\n): void {\r\n el.appendChild(child)\r\n}\r\n\r\n/**\r\n * Reset search result list\r\n *\r\n * @param el - Search result list element\r\n */\r\nexport function resetSearchResultList(\r\n el: HTMLElement\r\n): void {\r\n el.innerHTML = \"\"\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n finalize,\r\n map,\r\n mapTo,\r\n observeOn,\r\n scan,\r\n switchMap,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport { getElementOrThrow } from \"browser\"\r\nimport { SearchResult } from \"integrations/search\"\r\nimport { renderSearchResult } from \"templates\"\r\n\r\nimport { SearchQuery } from \"../../query\"\r\nimport {\r\n addToSearchResultList,\r\n resetSearchResultList,\r\n resetSearchResultMeta,\r\n setSearchResultMeta\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply options\r\n */\r\ninterface ApplyOptions {\r\n query$: Observable /* Search query observable */\r\n fetch$: Observable /* Result fetch observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply search results\r\n *\r\n * This function will perform a lazy rendering of the search results, depending\r\n * on the vertical offset of the search result container. When the scroll offset\r\n * reaches the bottom of the element, more results are fetched and rendered.\r\n *\r\n * @param el - Search result element\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function applySearchResult(\r\n el: HTMLElement, { query$, fetch$ }: ApplyOptions\r\n): MonoTypeOperatorFunction {\r\n const list = getElementOrThrow(\".md-search-result__list\", el)\r\n const meta = getElementOrThrow(\".md-search-result__meta\", el)\r\n return pipe(\r\n\r\n /* Apply search result metadata */\r\n withLatestFrom(query$),\r\n map(([result, query]) => {\r\n if (query.value) {\r\n setSearchResultMeta(meta, result.length)\r\n } else {\r\n resetSearchResultMeta(meta)\r\n }\r\n return result\r\n }),\r\n\r\n /* Apply search result list */\r\n switchMap(result => fetch$\r\n .pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n scan(index => {\r\n const container = el.parentElement!\r\n while (index < result.length) {\r\n addToSearchResultList(list, renderSearchResult(result[index++]))\r\n if (container.scrollHeight - container.offsetHeight > 16)\r\n break\r\n }\r\n return index\r\n }, 0),\r\n\r\n /* Re-map to search result */\r\n mapTo(result),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetSearchResultList(list)\r\n })\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { identity } from \"ramda\"\r\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n filter,\r\n map,\r\n pluck,\r\n switchMap\r\n} from \"rxjs/operators\"\r\n\r\nimport { WorkerHandler, watchElementOffset } from \"browser\"\r\nimport {\r\n SearchMessage,\r\n SearchResult,\r\n isSearchResultMessage\r\n} from \"integrations\"\r\n\r\nimport { SearchQuery } from \"../../query\"\r\nimport { applySearchResult } from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n query$: Observable /* Search query observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount search result from source observable\r\n *\r\n * @param handler - Worker handler\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountSearchResult(\r\n { rx$ }: WorkerHandler, { query$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => {\r\n const container = el.parentElement!\r\n\r\n /* Compute whether there are more search results to fetch */\r\n const fetch$ = watchElementOffset(container)\r\n .pipe(\r\n map(({ y }) => {\r\n return y >= container.scrollHeight - container.offsetHeight - 16\r\n }),\r\n distinctUntilChanged(),\r\n filter(identity)\r\n )\r\n\r\n /* Apply search results */\r\n return rx$\r\n .pipe(\r\n filter(isSearchResultMessage),\r\n pluck(\"data\"),\r\n applySearchResult(el, { query$, fetch$ })\r\n )\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\r\nimport {\r\n distinctUntilKeyChanged,\r\n map,\r\n switchMap\r\n} from \"rxjs/operators\"\r\n\r\nimport { Viewport, watchViewportAt } from \"browser\"\r\n\r\nimport { Header } from \"../../header\"\r\nimport { applyHero } from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Hero\r\n */\r\nexport interface Hero {\r\n hidden: boolean /* Whether the hero is hidden */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n header$: Observable
    /* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount hero from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountHero(\r\n { header$, viewport$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => watchViewportAt(el, { header$, viewport$ })\r\n .pipe(\r\n map(({ offset: { y } }) => ({ hidden: y >= 20 })),\r\n distinctUntilKeyChanged(\"hidden\"),\r\n applyHero(el)\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n animationFrameScheduler,\r\n pipe\r\n} from \"rxjs\"\r\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\r\n\r\nimport { Hero } from \"../_\"\r\nimport {\r\n resetHeroHidden,\r\n setHeroHidden\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply hero\r\n *\r\n * @param el - Hero element\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyHero(\r\n el: HTMLElement\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ hidden }) => {\r\n setHeroHidden(el, hidden)\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetHeroHidden(el)\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set hero hidden\r\n *\r\n * @param el - Hero element\r\n * @param value - Whether the element is hidden\r\n */\r\nexport function setHeroHidden(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset hero hidden\r\n *\r\n * @param el - Hero element\r\n */\r\nexport function resetHeroHidden(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, of, pipe } from \"rxjs\"\r\nimport {\r\n distinctUntilKeyChanged,\r\n map,\r\n switchMap\r\n} from \"rxjs/operators\"\r\n\r\nimport { Viewport, watchViewportAt } from \"browser\"\r\n\r\nimport { Header } from \"../../header\"\r\nimport { applyTabs } from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Tabs\r\n */\r\nexport interface Tabs {\r\n hidden: boolean /* Whether the tabs are hidden */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n header$: Observable
    /* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n screen$: Observable /* Media screen observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount tabs from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountTabs(\r\n { header$, viewport$, screen$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => screen$\r\n .pipe(\r\n switchMap(screen => {\r\n\r\n /* [screen +]: Mount tabs above screen breakpoint */\r\n if (screen) {\r\n return watchViewportAt(el, { header$, viewport$ })\r\n .pipe(\r\n map(({ offset: { y } }) => ({ hidden: y >= 10 })),\r\n distinctUntilKeyChanged(\"hidden\"),\r\n applyTabs(el)\r\n )\r\n\r\n /* [screen -]: Unmount tabs below screen breakpoint */\r\n } else {\r\n return of({ hidden: true })\r\n }\r\n })\r\n )\r\n )\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n animationFrameScheduler,\r\n pipe\r\n} from \"rxjs\"\r\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\r\n\r\nimport { Tabs } from \"../_\"\r\nimport {\r\n resetTabsHidden,\r\n setTabsHidden\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply tabs\r\n *\r\n * @param el - Tabs element\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyTabs(\r\n el: HTMLElement\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ hidden }) => {\r\n setTabsHidden(el, hidden)\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetTabsHidden(el)\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set tabs hidden\r\n *\r\n * @param el - Tabs element\r\n * @param value - Whether the element is hidden\r\n */\r\nexport function setTabsHidden(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset tabs hidden\r\n *\r\n * @param el - Tabs element\r\n */\r\nexport function resetTabsHidden(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n filter,\r\n map,\r\n shareReplay,\r\n startWith,\r\n switchMap,\r\n withLatestFrom\r\n} from \"rxjs/operators\"\r\n\r\nimport {\r\n Viewport,\r\n getElement,\r\n watchViewportAt\r\n} from \"browser\"\r\n\r\nimport { useComponent } from \"../../_\"\r\nimport {\r\n applyHeaderType,\r\n watchHeader\r\n} from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Header type\r\n */\r\nexport type HeaderType =\r\n | \"site\" /* Header shows site title */\r\n | \"page\" /* Header shows page title */\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Header\r\n */\r\nexport interface Header {\r\n type: HeaderType /* Header type */\r\n sticky: boolean /* Header stickyness */\r\n height: number /* Header visible height */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n document$: Observable /* Document observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount header from source observable\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountHeader(\r\n { document$, viewport$ }: MountOptions\r\n): OperatorFunction {\r\n return pipe(\r\n switchMap(el => {\r\n const header$ = watchHeader(el, { document$ })\r\n\r\n /* Compute whether the header should switch to page header */\r\n const type$ = useComponent(\"main\")\r\n .pipe(\r\n map(main => getElement(\"h1, h2, h3, h4, h5, h6\", main)!),\r\n filter(hx => typeof hx !== \"undefined\"),\r\n withLatestFrom(useComponent(\"header-title\")),\r\n switchMap(([hx, title]) => watchViewportAt(hx, { header$, viewport$ })\r\n .pipe(\r\n map(({ offset: { y } }) => {\r\n return y >= hx.offsetHeight ? \"page\" : \"site\"\r\n }),\r\n distinctUntilChanged(),\r\n applyHeaderType(title)\r\n )\r\n ),\r\n startWith(\"site\")\r\n )\r\n\r\n /* Combine into single observable */\r\n return combineLatest([header$, type$])\r\n .pipe(\r\n map(([header, type]): Header => ({ type, ...header })),\r\n shareReplay(1)\r\n )\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n of,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n finalize,\r\n map,\r\n observeOn,\r\n shareReplay,\r\n switchMap,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { watchElementSize } from \"browser\"\r\n\r\nimport { Header, HeaderType } from \"../_\"\r\nimport {\r\n resetHeaderTitleActive,\r\n setHeaderTitleActive\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch header\r\n *\r\n * @param el - Header element\r\n *\r\n * @return Header observable\r\n */\r\nexport function watchHeader(\r\n el: HTMLElement, { document$ }: WatchOptions\r\n): Observable> {\r\n return document$\r\n .pipe(\r\n map(() => {\r\n const styles = getComputedStyle(el)\r\n return [\r\n \"sticky\", /* Modern browsers */\r\n \"-webkit-sticky\" /* Safari */\r\n ].includes(styles.position)\r\n }),\r\n distinctUntilChanged(),\r\n switchMap(sticky => {\r\n if (sticky) {\r\n return watchElementSize(el)\r\n .pipe(\r\n map(({ height }) => ({\r\n sticky: true,\r\n height\r\n }))\r\n )\r\n } else {\r\n return of({\r\n sticky: false,\r\n height: 0\r\n })\r\n }\r\n }),\r\n shareReplay(1)\r\n )\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply header title type\r\n *\r\n * @param el - Header title element\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyHeaderType(\r\n el: HTMLElement\r\n): MonoTypeOperatorFunction {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(type => {\r\n setHeaderTitleActive(el, type === \"page\")\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetHeaderTitleActive(el)\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set header title active\r\n *\r\n * @param el - Header title element\r\n * @param value - Whether the title is shown\r\n */\r\nexport function setHeaderTitleActive(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"active\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset header title active\r\n *\r\n * @param el - Header title element\r\n */\r\nexport function resetHeaderTitleActive(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable, OperatorFunction, Subject, pipe } from \"rxjs\"\r\nimport { distinctUntilKeyChanged, switchMap, tap } from \"rxjs/operators\"\r\n\r\nimport { Viewport } from \"browser\"\r\n\r\nimport { useComponent } from \"../../_\"\r\nimport { Header } from \"../../header\"\r\nimport {\r\n applyHeaderShadow,\r\n watchMain\r\n} from \"../react\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Main area\r\n */\r\nexport interface Main {\r\n offset: number /* Main area top offset */\r\n height: number /* Main area visible height */\r\n active: boolean /* Scrolled past top offset */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n header$: Observable
    /* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount main area from source observable\r\n *\r\n * The header must be connected to the main area observable outside of the\r\n * operator function, as the header will persist in-between document switches\r\n * while the main area is replaced. However, the header observable must be\r\n * passed to this function, so we connect both via a long-living subject.\r\n *\r\n * @param options - Options\r\n *\r\n * @return Operator function\r\n */\r\nexport function mountMain(\r\n { header$, viewport$ }: MountOptions\r\n): OperatorFunction {\r\n const main$ = new Subject
    ()\r\n\r\n /* Connect to main area observable via long-living subject */\r\n useComponent(\"header\")\r\n .pipe(\r\n switchMap(header => main$\r\n .pipe(\r\n distinctUntilKeyChanged(\"active\"),\r\n applyHeaderShadow(header)\r\n )\r\n )\r\n )\r\n .subscribe()\r\n\r\n /* Return operator */\r\n return pipe(\r\n switchMap(el => watchMain(el, { header$, viewport$ })),\r\n tap(main => main$.next(main))\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n MonoTypeOperatorFunction,\r\n Observable,\r\n animationFrameScheduler,\r\n combineLatest,\r\n pipe\r\n} from \"rxjs\"\r\nimport {\r\n distinctUntilChanged,\r\n distinctUntilKeyChanged,\r\n finalize,\r\n map,\r\n observeOn,\r\n pluck,\r\n shareReplay,\r\n switchMap,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport { Viewport, watchElementSize } from \"browser\"\r\n\r\nimport { Header } from \"../../header\"\r\nimport { Main } from \"../_\"\r\nimport {\r\n resetHeaderShadow,\r\n setHeaderShadow\r\n} from \"../set\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch options\r\n */\r\ninterface WatchOptions {\r\n header$: Observable
    /* Header observable */\r\n viewport$: Observable /* Viewport observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Watch main area\r\n *\r\n * This function returns an observable that computes the visual parameters of\r\n * the main area which depends on the viewport vertical offset and height, as\r\n * well as the height of the header element, if the header is fixed.\r\n *\r\n * @param el - Main area element\r\n * @param options - Options\r\n *\r\n * @return Main area observable\r\n */\r\nexport function watchMain(\r\n el: HTMLElement, { header$, viewport$ }: WatchOptions\r\n): Observable
    {\r\n\r\n /* Compute necessary adjustment for header */\r\n const adjust$ = header$\r\n .pipe(\r\n pluck(\"height\"),\r\n distinctUntilChanged(),\r\n shareReplay(1)\r\n )\r\n\r\n /* Compute the main area's top and bottom borders */\r\n const border$ = adjust$\r\n .pipe(\r\n switchMap(() => watchElementSize(el)\r\n .pipe(\r\n map(({ height }) => ({\r\n top: el.offsetTop,\r\n bottom: el.offsetTop + height\r\n }))\r\n )\r\n ),\r\n distinctUntilKeyChanged(\"bottom\"),\r\n shareReplay(1)\r\n )\r\n\r\n /* Compute the main area's offset, visible height and if we scrolled past */\r\n return combineLatest([adjust$, border$, viewport$])\r\n .pipe(\r\n map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\r\n height = Math.max(0, height\r\n - Math.max(0, top - y, header)\r\n - Math.max(0, height + y - bottom)\r\n )\r\n return {\r\n offset: top - header,\r\n height,\r\n active: top - header <= y\r\n }\r\n }),\r\n distinctUntilChanged
    ((a, b) => {\r\n return a.offset === b.offset\r\n && a.height === b.height\r\n && a.active === b.active\r\n })\r\n )\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Apply header shadow\r\n *\r\n * @param el - Header element\r\n *\r\n * @return Operator function\r\n */\r\nexport function applyHeaderShadow(\r\n el: HTMLElement\r\n): MonoTypeOperatorFunction
    {\r\n return pipe(\r\n\r\n /* Defer repaint to next animation frame */\r\n observeOn(animationFrameScheduler),\r\n tap(({ active }) => {\r\n setHeaderShadow(el, active)\r\n }),\r\n\r\n /* Reset on complete or error */\r\n finalize(() => {\r\n resetHeaderShadow(el)\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set header shadow\r\n *\r\n * @param el - Header element\r\n * @param value - Whether the shadow is shown\r\n */\r\nexport function setHeaderShadow(\r\n el: HTMLElement, value: boolean\r\n): void {\r\n el.setAttribute(\"data-md-state\", value ? \"shadow\" : \"\")\r\n}\r\n\r\n/**\r\n * Reset header shadow\r\n *\r\n * @param el - Header element\r\n */\r\nexport function resetHeaderShadow(\r\n el: HTMLElement\r\n): void {\r\n el.removeAttribute(\"data-md-state\")\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { NEVER, Observable, fromEvent, iif, merge } from \"rxjs\"\r\nimport { map, mapTo, shareReplay, switchMap } from \"rxjs/operators\"\r\n\r\nimport { getElements } from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch options\r\n */\r\ninterface PatchOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Check whether the given device is an Apple device\r\n *\r\n * @return Test result\r\n */\r\nfunction isAppleDevice(): boolean {\r\n return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch all elements with `data-md-scrollfix` attributes\r\n *\r\n * This is a year-old patch which ensures that overflow scrolling works at the\r\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\r\n * the start of a touch event.\r\n *\r\n * @see https://bit.ly/2SCtAOO - Original source\r\n *\r\n * @param options - Options\r\n */\r\nexport function patchScrollfix(\r\n { document$ }: PatchOptions\r\n): void {\r\n const els$ = document$\r\n .pipe(\r\n map(() => getElements(\"[data-md-scrollfix]\")),\r\n shareReplay(1)\r\n )\r\n\r\n /* Remove marker attribute, so we'll only add the fix once */\r\n els$.subscribe(els => {\r\n for (const el of els)\r\n el.removeAttribute(\"data-md-scrollfix\")\r\n })\r\n\r\n /* Patch overflow scrolling on touch start */\r\n iif(isAppleDevice, els$, NEVER)\r\n .pipe(\r\n switchMap(els => merge(...els.map(el => (\r\n fromEvent(el, \"touchstart\", { passive: true })\r\n .pipe(\r\n mapTo(el)\r\n )\r\n ))))\r\n )\r\n .subscribe(el => {\r\n const top = el.scrollTop\r\n\r\n /* We're at the top of the container */\r\n if (top === 0) {\r\n el.scrollTop = 1\r\n\r\n /* We're at the bottom of the container */\r\n } else if (top + el.offsetHeight === el.scrollHeight) {\r\n el.scrollTop = top - 1\r\n }\r\n })\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { NEVER, Observable } from \"rxjs\"\r\nimport { catchError, map, switchMap } from \"rxjs/operators\"\r\n\r\nimport { getElementOrThrow, getElements } from \"browser\"\r\nimport { renderSource } from \"templates\"\r\nimport { cache, hash } from \"utilities\"\r\n\r\nimport { fetchSourceFactsFromGitHub } from \"./github\"\r\nimport { fetchSourceFactsFromGitLab } from \"./gitlab\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Source facts\r\n */\r\nexport type SourceFacts = string[]\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch options\r\n */\r\ninterface PatchOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Fetch source facts\r\n *\r\n * @param url - Source repository URL\r\n *\r\n * @return Source facts observable\r\n */\r\nfunction fetchSourceFacts(\r\n url: string\r\n): Observable {\r\n const [type] = url.match(/(git(?:hub|lab))/i) || []\r\n switch (type.toLowerCase()) {\r\n\r\n /* GitHub repository */\r\n case \"github\":\r\n const [, user, repo] = url.match(/^.+github\\.com\\/([^\\/]+)\\/?([^\\/]+)/i)\r\n return fetchSourceFactsFromGitHub(user, repo)\r\n\r\n /* GitLab repository */\r\n case \"gitlab\":\r\n const [, base, project] = url.match(/^.+?([^\\/]*gitlab[^\\/]+)\\/(.+)/i)\r\n return fetchSourceFactsFromGitLab(base, project)\r\n\r\n /* Everything else */\r\n default:\r\n return NEVER\r\n }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch elements containing repository information\r\n *\r\n * This function will retrieve the URL from the repository link and try to\r\n * query data from integrated source code platforms like GitHub or GitLab.\r\n *\r\n * @param options - Options\r\n */\r\nexport function patchSource(\r\n { document$ }: PatchOptions\r\n): void {\r\n document$\r\n .pipe(\r\n map(() => getElementOrThrow(\".md-source[href]\")),\r\n switchMap(({ href }) => (\r\n cache(`${hash(href)}`, () => fetchSourceFacts(href))\r\n )),\r\n catchError(() => NEVER)\r\n )\r\n .subscribe(facts => {\r\n for (const el of getElements(\".md-source__repository\")) {\r\n if (!el.hasAttribute(\"data-md-state\")) {\r\n el.setAttribute(\"data-md-state\", \"done\")\r\n el.appendChild(renderSource(facts))\r\n }\r\n }\r\n })\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Repo, User } from \"github-types\"\r\nimport { Observable, of } from \"rxjs\"\r\nimport { ajax } from \"rxjs/ajax\"\r\nimport { filter, pluck, switchMap } from \"rxjs/operators\"\r\n\r\nimport { round } from \"utilities\"\r\n\r\nimport { SourceFacts } from \"..\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Fetch GitHub source facts\r\n *\r\n * @param user - GitHub user\r\n * @param repo - GitHub repository\r\n *\r\n * @return Source facts observable\r\n */\r\nexport function fetchSourceFactsFromGitHub(\r\n user: string, repo?: string\r\n): Observable {\r\n return ajax({\r\n url: typeof repo !== \"undefined\"\r\n ? `https://api.github.com/repos/${user}/${repo}`\r\n : `https://api.github.com/users/${user}`,\r\n responseType: \"json\"\r\n })\r\n .pipe(\r\n filter(({ status }) => status === 200),\r\n pluck(\"response\"),\r\n switchMap(data => {\r\n\r\n /* GitHub repository */\r\n if (typeof repo !== \"undefined\") {\r\n const { stargazers_count, forks_count }: Repo = data\r\n return of([\r\n `${round(stargazers_count || 0)} Stars`,\r\n `${round(forks_count || 0)} Forks`\r\n ])\r\n\r\n /* GitHub user/organization */\r\n } else {\r\n const { public_repos }: User = data\r\n return of([\r\n `${round(public_repos || 0)} Repositories`\r\n ])\r\n }\r\n })\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { ProjectSchema } from \"gitlab\"\r\nimport { Observable } from \"rxjs\"\r\nimport { ajax } from \"rxjs/ajax\"\r\nimport { filter, map, pluck } from \"rxjs/operators\"\r\n\r\nimport { round } from \"utilities\"\r\n\r\nimport { SourceFacts } from \"..\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Fetch GitLab source facts\r\n *\r\n * @param base - GitLab base\r\n * @param project - GitLab project\r\n *\r\n * @return Source facts observable\r\n */\r\nexport function fetchSourceFactsFromGitLab(\r\n base: string, project: string\r\n): Observable {\r\n return ajax({\r\n url: `https://${base}/api/v4/projects/${encodeURIComponent(project)}`,\r\n responseType: \"json\"\r\n })\r\n .pipe(\r\n filter(({ status }) => status === 200),\r\n pluck(\"response\"),\r\n map(({ star_count, forks_count }: ProjectSchema) => ([\r\n `${round(star_count)} Stars`,\r\n `${round(forks_count)} Forks`\r\n ]))\r\n )\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\n// DISCLAIMER: this file is still WIP. There're some refactoring opportunities\r\n// which must be tackled after we gathered some feedback on v5.\r\n// tslint:disable\r\n\r\nimport \"../stylesheets/main.scss\"\r\nimport \"../stylesheets/palette.scss\"\r\n\r\nimport { values } from \"ramda\"\r\nimport {\r\n merge,\r\n combineLatest,\r\n animationFrameScheduler,\r\n fromEvent,\r\n from\r\n} from \"rxjs\"\r\nimport { ajax } from \"rxjs/ajax\"\r\nimport {\r\n delay,\r\n switchMap,\r\n tap,\r\n filter,\r\n withLatestFrom,\r\n observeOn,\r\n take,\r\n shareReplay,\r\n pluck\r\n} from \"rxjs/operators\"\r\n\r\nimport {\r\n watchToggle,\r\n setToggle,\r\n getElements,\r\n watchMedia,\r\n watchDocument,\r\n watchLocation,\r\n watchLocationHash,\r\n watchViewport,\r\n isLocalLocation,\r\n setLocationHash,\r\n watchLocationBase\r\n} from \"browser\"\r\nimport {\r\n mountHeader,\r\n mountHero,\r\n mountMain,\r\n mountNavigation,\r\n mountSearch,\r\n mountTableOfContents,\r\n mountTabs,\r\n useComponent,\r\n setupComponents,\r\n mountSearchQuery,\r\n mountSearchReset,\r\n mountSearchResult\r\n} from \"components\"\r\nimport {\r\n setupClipboard,\r\n setupDialog,\r\n setupKeyboard,\r\n setupInstantLoading,\r\n setupSearchWorker,\r\n SearchIndex\r\n} from \"integrations\"\r\nimport {\r\n patchTables,\r\n patchDetails,\r\n patchScrollfix,\r\n patchSource,\r\n patchScripts\r\n} from \"patches\"\r\nimport { isConfig } from \"utilities\"\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/* Denote that JavaScript is available */\r\ndocument.documentElement.classList.remove(\"no-js\")\r\ndocument.documentElement.classList.add(\"js\")\r\n\r\n/* Test for iOS */\r\nif (navigator.userAgent.match(/(iPad|iPhone|iPod)/g))\r\n document.documentElement.classList.add(\"ios\")\r\n\r\n/**\r\n * Set scroll lock\r\n *\r\n * @param el - Scrollable element\r\n * @param value - Vertical offset\r\n */\r\nexport function setScrollLock(\r\n el: HTMLElement, value: number\r\n): void {\r\n el.setAttribute(\"data-md-state\", \"lock\")\r\n el.style.top = `-${value}px`\r\n}\r\n\r\n/**\r\n * Reset scroll lock\r\n *\r\n * @param el - Scrollable element\r\n */\r\nexport function resetScrollLock(\r\n el: HTMLElement\r\n): void {\r\n const value = -1 * parseInt(el.style.top, 10)\r\n el.removeAttribute(\"data-md-state\")\r\n el.style.top = \"\"\r\n if (value)\r\n window.scrollTo(0, value)\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Initialize Material for MkDocs\r\n *\r\n * @param config - Configuration\r\n */\r\nexport function initialize(config: unknown) {\r\n if (!isConfig(config))\r\n throw new SyntaxError(`Invalid configuration: ${JSON.stringify(config)}`)\r\n\r\n /* Set up subjects */\r\n const document$ = watchDocument()\r\n const location$ = watchLocation()\r\n\r\n /* Set up user interface observables */\r\n const base$ = watchLocationBase(config.base, { location$ })\r\n const hash$ = watchLocationHash()\r\n const viewport$ = watchViewport()\r\n const tablet$ = watchMedia(\"(min-width: 960px)\")\r\n const screen$ = watchMedia(\"(min-width: 1220px)\")\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n /* Set up component bindings */\r\n setupComponents([\r\n \"announce\", /* Announcement bar */\r\n \"container\", /* Container */\r\n \"header\", /* Header */\r\n \"header-title\", /* Header title */\r\n \"hero\", /* Hero */\r\n \"main\", /* Main area */\r\n \"navigation\", /* Navigation */\r\n \"search\", /* Search */\r\n \"search-query\", /* Search input */\r\n \"search-reset\", /* Search reset */\r\n \"search-result\", /* Search results */\r\n \"skip\", /* Skip link */\r\n \"tabs\", /* Tabs */\r\n \"toc\" /* Table of contents */\r\n ], { document$ })\r\n\r\n const keyboard$ = setupKeyboard()\r\n\r\n patchDetails({ document$, hash$ })\r\n patchScripts({ document$ })\r\n patchSource({ document$ })\r\n patchTables({ document$ })\r\n\r\n /* Force 1px scroll offset to trigger overflow scrolling */\r\n patchScrollfix({ document$ })\r\n\r\n /* Set up clipboard and dialog */\r\n const dialog$ = setupDialog()\r\n const clipboard$ = setupClipboard({ document$, dialog$ })\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n /* Create header observable */\r\n const header$ = useComponent(\"header\")\r\n .pipe(\r\n mountHeader({ document$, viewport$ }),\r\n shareReplay(1)\r\n )\r\n\r\n const main$ = useComponent(\"main\")\r\n .pipe(\r\n mountMain({ header$, viewport$ }),\r\n shareReplay(1)\r\n )\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n const navigation$ = useComponent(\"navigation\")\r\n .pipe(\r\n mountNavigation({ header$, main$, viewport$, screen$ }),\r\n shareReplay(1) // shareReplay because there might be late subscribers\r\n )\r\n\r\n const toc$ = useComponent(\"toc\")\r\n .pipe(\r\n mountTableOfContents({ header$, main$, viewport$, tablet$ }),\r\n shareReplay(1)\r\n )\r\n\r\n const tabs$ = useComponent(\"tabs\")\r\n .pipe(\r\n mountTabs({ header$, viewport$, screen$ }),\r\n shareReplay(1)\r\n )\r\n\r\n const hero$ = useComponent(\"hero\")\r\n .pipe(\r\n mountHero({ header$, viewport$ }),\r\n shareReplay(1)\r\n )\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n // External index\r\n const index = config.search && config.search.index\r\n ? config.search.index\r\n : undefined\r\n\r\n /* Fetch index if it wasn't passed explicitly */\r\n const index$ = typeof index !== \"undefined\"\r\n ? from(index)\r\n : base$\r\n .pipe(\r\n switchMap(base => ajax({\r\n url: `${base}/search/search_index.json`,\r\n responseType: \"json\",\r\n withCredentials: true\r\n })\r\n .pipe(\r\n pluck(\"response\")\r\n )\r\n )\r\n )\r\n\r\n const worker = setupSearchWorker(config.search.worker, {\r\n base$, index$\r\n })\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n /* Mount search query */\r\n const query$ = useComponent(\"search-query\")\r\n .pipe(\r\n mountSearchQuery(worker, { transform: config.search.transform }),\r\n shareReplay(1)\r\n )\r\n\r\n /* Mount search reset */\r\n const reset$ = useComponent(\"search-reset\")\r\n .pipe(\r\n mountSearchReset(),\r\n shareReplay(1)\r\n )\r\n\r\n /* Mount search result */\r\n const result$ = useComponent(\"search-result\")\r\n .pipe(\r\n mountSearchResult(worker, { query$ }),\r\n shareReplay(1)\r\n )\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n const search$ = useComponent(\"search\")\r\n .pipe(\r\n mountSearch({ query$, reset$, result$ }),\r\n shareReplay(1)\r\n )\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n // // put into search...\r\n hash$\r\n .pipe(\r\n tap(() => setToggle(\"search\", false)),\r\n delay(125), // ensure that it runs after the body scroll reset...\r\n )\r\n .subscribe(hash => setLocationHash(`#${hash}`))\r\n\r\n // TODO: scroll restoration must be centralized\r\n combineLatest([\r\n watchToggle(\"search\"),\r\n tablet$,\r\n ])\r\n .pipe(\r\n withLatestFrom(viewport$),\r\n switchMap(([[toggle, tablet], { offset: { y }}]) => {\r\n const active = toggle && !tablet\r\n return document$\r\n .pipe(\r\n delay(active ? 400 : 100),\r\n observeOn(animationFrameScheduler),\r\n tap(({ body }) => active\r\n ? setScrollLock(body, y)\r\n : resetScrollLock(body)\r\n )\r\n )\r\n })\r\n )\r\n .subscribe()\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n /* Always close drawer on click */\r\n fromEvent(document.body, \"click\")\r\n .pipe(\r\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\r\n filter(ev => {\r\n if (ev.target instanceof HTMLElement) {\r\n const el = ev.target.closest(\"a\") // TODO: abstract as link click?\r\n if (el && isLocalLocation(el)) {\r\n return true\r\n }\r\n }\r\n return false\r\n })\r\n )\r\n .subscribe(() => {\r\n setToggle(\"drawer\", false)\r\n })\r\n\r\n /* Enable instant loading, if not on file:// protocol */\r\n if (config.features.includes(\"instant\") && location.protocol !== \"file:\")\r\n setupInstantLoading({ document$, location$, viewport$ })\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n /* Unhide permalinks on first tab */\r\n keyboard$\r\n .pipe(\r\n filter(key => key.mode === \"global\" && key.type === \"Tab\"),\r\n take(1)\r\n )\r\n .subscribe(() => {\r\n for (const link of getElements(\".headerlink\"))\r\n link.style.visibility = \"visible\"\r\n })\r\n\r\n /* ----------------------------------------------------------------------- */\r\n\r\n const state = {\r\n\r\n /* Browser observables */\r\n document$,\r\n location$,\r\n viewport$,\r\n\r\n /* Component observables */\r\n header$,\r\n hero$,\r\n main$,\r\n navigation$,\r\n search$,\r\n tabs$,\r\n toc$,\r\n\r\n /* Integration observables */\r\n clipboard$,\r\n keyboard$,\r\n dialog$\r\n }\r\n\r\n /* Subscribe to all observables */\r\n merge(...values(state))\r\n .subscribe()\r\n return state\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { identity } from \"ramda\"\r\nimport { Observable, fromEvent, merge } from \"rxjs\"\r\nimport {\r\n filter,\r\n map,\r\n switchMapTo,\r\n tap\r\n} from \"rxjs/operators\"\r\n\r\nimport {\r\n getElement,\r\n getElements,\r\n watchMedia\r\n} from \"browser\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch options\r\n */\r\ninterface PatchOptions {\r\n document$: Observable /* Document observable */\r\n hash$: Observable /* Location hash observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch all `details` elements\r\n *\r\n * This function will ensure that all `details` tags are opened prior to\r\n * printing, so the whole content of the page is included, and on anchor jumps.\r\n *\r\n * @param options - Options\r\n */\r\nexport function patchDetails(\r\n { document$, hash$ }: PatchOptions\r\n): void {\r\n const els$ = document$\r\n .pipe(\r\n map(() => getElements(\"details\"))\r\n )\r\n\r\n /* Open all details before printing */\r\n merge(\r\n watchMedia(\"print\").pipe(filter(identity)), /* Webkit */\r\n fromEvent(window, \"beforeprint\") /* IE, FF */\r\n )\r\n .pipe(\r\n switchMapTo(els$)\r\n )\r\n .subscribe(els => {\r\n for (const el of els)\r\n el.setAttribute(\"open\", \"\")\r\n })\r\n\r\n /* Open parent details and fix anchor jump */\r\n hash$\r\n .pipe(\r\n map(id => getElement(`[id=\"${id}\"]`)!),\r\n filter(el => typeof el !== \"undefined\"),\r\n tap(el => {\r\n const details = el.closest(\"details\")\r\n if (details && !details.open)\r\n details.setAttribute(\"open\", \"\")\r\n })\r\n )\r\n .subscribe(el => el.scrollIntoView())\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable } from \"rxjs\"\r\nimport { map, skip, withLatestFrom } from \"rxjs/operators\"\r\n\r\nimport {\r\n createElement,\r\n getElements,\r\n replaceElement\r\n} from \"browser\"\r\nimport { useComponent } from \"components\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch options\r\n */\r\ninterface PatchOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch all `script` elements\r\n *\r\n * This function must be run after a document switch, which means the first\r\n * emission must be ignored.\r\n *\r\n * @param options - Options\r\n */\r\nexport function patchScripts(\r\n { document$ }: PatchOptions\r\n): void {\r\n const els$ = document$\r\n .pipe(\r\n skip(1),\r\n withLatestFrom(useComponent(\"container\")),\r\n map(([, el]) => getElements(\"script\", el))\r\n )\r\n\r\n /* Evaluate all scripts via replacement */\r\n els$.subscribe(els => {\r\n for (const el of els) {\r\n if (el.src || /(^|\\/javascript)$/i.test(el.type)) {\r\n const script = createElement(\"script\")\r\n const key = el.src ? \"src\" : \"textContent\"\r\n script[key] = el[key]!\r\n replaceElement(el, script)\r\n }\r\n }\r\n })\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { Observable } from \"rxjs\"\r\nimport { map } from \"rxjs/operators\"\r\n\r\nimport {\r\n createElement,\r\n getElements,\r\n replaceElement\r\n} from \"browser\"\r\nimport { renderTable } from \"templates\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Mount options\r\n */\r\ninterface MountOptions {\r\n document$: Observable /* Document observable */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Patch all `table` elements\r\n *\r\n * This function will re-render all tables by wrapping them to improve overflow\r\n * scrolling on smaller screen sizes.\r\n *\r\n * @param options - Options\r\n */\r\nexport function patchTables(\r\n { document$ }: MountOptions\r\n): void {\r\n const sentinel = createElement(\"table\")\r\n document$\r\n .pipe(\r\n map(() => getElements(\"table:not([class])\"))\r\n )\r\n .subscribe(els => {\r\n for (const el of els) {\r\n replaceElement(el, sentinel)\r\n replaceElement(sentinel, renderTable(el))\r\n }\r\n })\r\n}\r\n"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/javascripts/bundle.d28521c5.min.js.map b/material/assets/javascripts/bundle.d28521c5.min.js.map deleted file mode 100644 index bc698c635..000000000 --- a/material/assets/javascripts/bundle.d28521c5.min.js.map +++ /dev/null @@ -1 +0,0 @@ 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oldJsonpFunction = jsonpArray.push.bind(jsonpArray);\n \tjsonpArray.push = webpackJsonpCallback;\n \tjsonpArray = jsonpArray.slice();\n \tfor(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);\n \tvar parentJsonpFunction = oldJsonpFunction;\n\n\n \t// add entry module to deferred list\n \tdeferredModules.push([87,1]);\n \t// run deferred modules when ready\n \treturn checkDeferredModules();\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ReplaySubject, Subject, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * Documents must be implemented as subjects, so all downstream observables are\n * automatically updated when a new document is emitted. This enabled features\n * like instant loading.\n *\n * @return Document subject\n */\nexport function watchDocument(): Subject {\n const document$ = new ReplaySubject()\n fromEvent(document, \"DOMContentLoaded\")\n .pipe(\n mapTo(document)\n )\n .subscribe(document$)\n\n /* Return document */\n return document$\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve an element matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Element or nothing\n */\nexport function getElement(\n selector: string, node: ParentNode = document\n): T | undefined {\n return node.querySelector(selector) || undefined\n}\n\n/**\n * Retrieve an element matching a query selector or throw a reference error\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Element\n */\nexport function getElementOrThrow(\n selector: string, node: ParentNode = document\n): T {\n const el = getElement(selector, node)\n if (typeof el === \"undefined\")\n throw new ReferenceError(\n `Missing element: expected \"${selector}\" to be present`\n )\n return el\n}\n\n/**\n * Retrieve the currently active element\n *\n * @return Element or nothing\n */\nexport function getActiveElement(): HTMLElement | undefined {\n return document.activeElement instanceof HTMLElement\n ? document.activeElement\n : undefined\n}\n\n/**\n * Retrieve all elements matching the query selector\n *\n * @template T - Element type\n *\n * @param selector - Query selector\n * @param node - Node of reference\n *\n * @return Elements\n */\nexport function getElements(\n selector: string, node: ParentNode = document\n): T[] {\n return Array.from(node.querySelectorAll(selector))\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Create an element\n *\n * @template T - Tag name type\n *\n * @param tagName - Tag name\n *\n * @return Element\n */\nexport function createElement<\n T extends keyof HTMLElementTagNameMap\n>(tagName: T): HTMLElementTagNameMap[T] {\n return document.createElement(tagName)\n}\n\n/**\n * Replace an element with another element\n *\n * @param source - Source element\n * @param target - Target element\n */\nexport function replaceElement(\n source: HTMLElement, target: Node\n): void {\n source.replaceWith(target)\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\nimport { getActiveElement } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element focus\n *\n * @param el - Element\n * @param value - Whether the element should be focused\n */\nexport function setElementFocus(\nel: HTMLElement, value: boolean = true\n): void {\n if (value)\n el.focus()\n else\n el.blur()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element focus\n *\n * @param el - Element\n *\n * @return Element focus observable\n */\nexport function watchElementFocus(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"focus\"),\n fromEvent(el, \"blur\")\n )\n .pipe(\n map(({ type }) => type === \"focus\"),\n startWith(el === getActiveElement()),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element offset\n *\n * @param el - Element\n *\n * @return Element offset\n */\nexport function getElementOffset(el: HTMLElement): ElementOffset {\n return {\n x: el.scrollLeft,\n y: el.scrollTop\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element offset\n *\n * @param el - Element\n *\n * @return Element offset observable\n */\nexport function watchElementOffset(\n el: HTMLElement\n): Observable {\n return merge(\n fromEvent(el, \"scroll\"),\n fromEvent(window, \"resize\")\n )\n .pipe(\n map(() => getElementOffset(el)),\n startWith(getElementOffset(el)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set element text selection\n *\n * @param el - Element\n */\nexport function setElementSelection(\n el: HTMLElement\n): void {\n if (el instanceof HTMLInputElement)\n el.select()\n else\n throw new Error(\"Not implemented\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport ResizeObserver from \"resize-observer-polyfill\"\nimport { Observable, fromEventPattern } from \"rxjs\"\nimport { shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Element offset\n */\nexport interface ElementSize {\n width: number /* Element width */\n height: number /* Element height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve element size\n *\n * @param el - Element\n *\n * @return Element size\n */\nexport function getElementSize(el: HTMLElement): ElementSize {\n return {\n width: el.offsetWidth,\n height: el.offsetHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch element size\n *\n * @param el - Element\n *\n * @return Element size observable\n */\nexport function watchElementSize(\n el: HTMLElement\n): Observable {\n return fromEventPattern(next => {\n new ResizeObserver(([{ contentRect }]) => next({\n width: Math.round(contentRect.width),\n height: Math.round(contentRect.height)\n }))\n .observe(el)\n })\n .pipe(\n startWith(getElementSize(el)),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { filter, map, share } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Key\n */\nexport interface Key {\n type: string /* Key type */\n claim(): void /* Key claim */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether an element may receive keyboard input\n *\n * @param el - Element\n *\n * @return Test result\n */\nexport function isSusceptibleToKeyboard(el: HTMLElement): boolean {\n switch (el.tagName) {\n\n /* Form elements */\n case \"INPUT\":\n case \"SELECT\":\n case \"TEXTAREA\":\n return true\n\n /* Everything else */\n default:\n return el.isContentEditable\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch keyboard\n *\n * @return Keyboard observable\n */\nexport function watchKeyboard(): Observable {\n return fromEvent(window, \"keydown\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n map(ev => ({\n type: ev.key,\n claim() {\n ev.preventDefault()\n ev.stopPropagation()\n }\n })),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { BehaviorSubject, Subject } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function will return a `URL` object (and not `Location`) in order to\n * normalize typings across the application. Furthermore, locations need to be\n * tracked without setting them and `Location` is a singleton which represents\n * the current location.\n *\n * @return URL\n */\nexport function getLocation(): URL {\n return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Check whether a URL is a local link or a file (except `.html`)\n *\n * @param url - URL or HTML anchor element\n * @param ref - Reference URL\n *\n * @return Test result\n */\nexport function isLocalLocation(\n url: URL | HTMLAnchorElement,\n ref: URL | Location = location\n): boolean {\n return url.host === ref.host\n && /^(?:\\/[\\w-]+)*(?:\\/?|\\.html)$/i.test(url.pathname)\n}\n\n/**\n * Check whether a URL is an anchor link on the current page\n *\n * @param url - URL or HTML anchor element\n * @param ref - Reference URL\n *\n * @return Test result\n */\nexport function isAnchorLocation(\n url: URL | HTMLAnchorElement,\n ref: URL | Location = location\n): boolean {\n return url.pathname === ref.pathname\n && url.hash.length > 0\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n return new BehaviorSubject(getLocation())\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable } from \"rxjs\"\nimport { map, shareReplay, take } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$: Observable /* Location observable */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location base\n *\n * @return Location base observable\n */\nexport function watchLocationBase(\n base: string, { location$ }: WatchOptions\n): Observable {\n return location$\n .pipe(\n take(1),\n map(({ href }) => new URL(base, href)\n .toString()\n .replace(/\\/$/, \"\")\n ),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { filter, map, share, startWith } from \"rxjs/operators\"\n\nimport { createElement } from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location hash\n *\n * @return Location hash\n */\nexport function getLocationHash(): string {\n return location.hash.substring(1)\n}\n\n/**\n * Set location hash\n *\n * Setting a new fragment identifier via `location.hash` will have no effect\n * if the value doesn't change. When a new fragment identifier is set, we want\n * the browser to target the respective element at all times, which is why we\n * use this dirty little trick.\n *\n * @param hash - Location hash\n */\nexport function setLocationHash(hash: string): void {\n const el = createElement(\"a\")\n el.href = hash\n el.addEventListener(\"click\", ev => ev.stopPropagation())\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location hash\n *\n * @return Location hash observable\n */\nexport function watchLocationHash(): Observable {\n return fromEvent(window, \"hashchange\")\n .pipe(\n map(getLocationHash),\n startWith(getLocationHash()),\n filter(hash => hash.length > 0),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEventPattern } from \"rxjs\"\nimport { shareReplay, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch media query\n *\n * @param query - Media query\n *\n * @return Media observable\n */\nexport function watchMedia(query: string): Observable {\n const media = matchMedia(query)\n return fromEventPattern(next =>\n media.addListener(() => next(media.matches))\n )\n .pipe(\n startWith(media.matches),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\nimport { getElementOrThrow } from \"../element\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle\n */\nexport type Toggle =\n | \"drawer\" /* Toggle for drawer */\n | \"search\" /* Toggle for search */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map\n */\nconst toggles: Record = {\n drawer: getElementOrThrow(`[data-md-toggle=drawer]`),\n search: getElementOrThrow(`[data-md-toggle=search]`)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve the value of a toggle\n *\n * @param name - Toggle\n *\n * @return Toggle value\n */\nexport function getToggle(name: Toggle): boolean {\n return toggles[name].checked\n}\n\n/**\n * Set toggle\n *\n * Simulating a click event seems to be the most cross-browser compatible way\n * of changing the value while also emitting a `change` event. Before, Material\n * used `CustomEvent` to programmatically change the value of a toggle, but this\n * is a much simpler and cleaner solution which doesn't require a polyfill.\n *\n * @param name - Toggle\n * @param value - Toggle value\n */\nexport function setToggle(name: Toggle, value: boolean): void {\n if (toggles[name].checked !== value)\n toggles[name].click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param name - Toggle\n *\n * @return Toggle value observable\n */\nexport function watchToggle(name: Toggle): Observable {\n const el = toggles[name]\n return fromEvent(el, \"change\")\n .pipe(\n map(() => el.checked),\n startWith(el.checked)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport offset\n */\nexport interface ViewportOffset {\n x: number /* Horizontal offset */\n y: number /* Vertical offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport offset\n *\n * On iOS Safari, viewport offset can be negative due to overflow scrolling.\n * As this may induce strange behaviors downstream, we'll just limit it to 0.\n *\n * @return Viewport offset\n */\nexport function getViewportOffset(): ViewportOffset {\n return {\n x: Math.max(0, pageXOffset),\n y: Math.max(0, pageYOffset)\n }\n}\n\n/**\n * Set viewport offset\n *\n * @param offset - Viewport offset\n */\nexport function setViewportOffset(\n { x, y }: Partial\n): void {\n window.scrollTo(x || 0, y || 0)\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport offset\n *\n * @return Viewport offset observable\n */\nexport function watchViewportOffset(): Observable {\n return merge(\n fromEvent(window, \"scroll\", { passive: true }),\n fromEvent(window, \"resize\", { passive: true })\n )\n .pipe(\n map(getViewportOffset),\n startWith(getViewportOffset())\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { map, startWith } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport size\n */\nexport interface ViewportSize {\n width: number /* Viewport width */\n height: number /* Viewport height */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve viewport size\n *\n * @return Viewport size\n */\nexport function getViewportSize(): ViewportSize {\n return {\n width: innerWidth,\n height: innerHeight\n }\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport size\n *\n * @return Viewport size observable\n */\nexport function watchViewportSize(): Observable {\n return fromEvent(window, \"resize\", { passive: true })\n .pipe(\n map(getViewportSize),\n startWith(getViewportSize())\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest } from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n map,\n shareReplay\n} from \"rxjs/operators\"\n\nimport { Header } from \"components\"\n\nimport {\n ViewportOffset,\n watchViewportOffset\n} from \"../offset\"\nimport {\n ViewportSize,\n watchViewportSize\n} from \"../size\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Viewport\n */\nexport interface Viewport {\n offset: ViewportOffset /* Viewport offset */\n size: ViewportSize /* Viewport size */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch at options\n */\ninterface WatchAtOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch viewport\n *\n * @return Viewport observable\n */\nexport function watchViewport(): Observable {\n return combineLatest([\n watchViewportOffset(),\n watchViewportSize()\n ])\n .pipe(\n map(([offset, size]) => ({ offset, size })),\n shareReplay(1)\n )\n}\n\n/**\n * Watch viewport relative to element\n *\n * @param el - Element\n * @param options - Options\n *\n * @return Viewport observable\n */\nexport function watchViewportAt(\n el: HTMLElement, { header$, viewport$ }: WatchAtOptions\n): Observable {\n const size$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\")\n )\n\n /* Compute element offset */\n const offset$ = combineLatest([size$, header$])\n .pipe(\n map((): ViewportOffset => ({\n x: el.offsetLeft,\n y: el.offsetTop\n }))\n )\n\n /* Compute relative viewport, return hot observable */\n return combineLatest([header$, viewport$, offset$])\n .pipe(\n map(([{ height }, { offset, size }, { x, y }]) => ({\n offset: {\n x: offset.x - x,\n y: offset.y - y + height\n },\n size\n })),\n shareReplay(1)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, Subject, fromEventPattern } from \"rxjs\"\nimport {\n pluck,\n share,\n switchMapTo,\n tap,\n throttle\n} from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Worker message\n */\nexport interface WorkerMessage {\n type: unknown /* Message type */\n data?: unknown /* Message data */\n}\n\n/**\n * Worker handler\n *\n * @template T - Message type\n */\nexport interface WorkerHandler<\n T extends WorkerMessage\n> {\n tx$: Subject /* Message transmission subject */\n rx$: Observable /* Message receive observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n *\n * @template T - Worker message type\n */\ninterface WatchOptions {\n tx$: Observable /* Message transmission observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch a web worker\n *\n * This function returns an observable that will send all values emitted by the\n * message observable to the web worker. Web worker communication is expected\n * to be bidirectional (request-response) and synchronous. Messages that are\n * emitted during a pending request are throttled, the last one is emitted.\n *\n * @param worker - Web worker\n * @param options - Options\n *\n * @return Worker message observable\n */\nexport function watchWorker(\n worker: Worker, { tx$ }: WatchOptions\n): Observable {\n\n /* Intercept messages from worker-like objects */\n const rx$ = fromEventPattern(next =>\n worker.addEventListener(\"message\", next)\n )\n .pipe(\n pluck(\"data\")\n )\n\n /* Send and receive messages, return hot observable */\n return tx$\n .pipe(\n throttle(() => rx$, { leading: true, trailing: true }),\n tap(message => worker.postMessage(message)),\n switchMapTo(rx$),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchTransformFn } from \"integrations\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Feature flags\n */\nexport type Feature =\n | \"tabs\" /* Tabs navigation */\n | \"instant\" /* Instant loading\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n features: Feature[] /* Feature flags */\n search: {\n worker: string /* Worker URL */\n index?: Promise /* Promise resolving with index */\n transform?: SearchTransformFn /* Transformation function */\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Ensure that the given value is a valid configuration\n *\n * We could use `jsonschema` or any other schema validation framework, but that\n * would just add more bloat to the bundle, so we'll keep it plain and simple.\n *\n * @param config - Configuration\n *\n * @return Test result\n */\nexport function isConfig(config: any): config is Config {\n return typeof config === \"object\"\n && typeof config.base === \"string\"\n && typeof config.features === \"object\"\n && typeof config.search === \"object\"\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n// tslint:disable no-null-keyword\n\nimport { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML and SVG attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | SVGElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create an element\n *\n * @param tagName - HTML or SVG tag\n *\n * @return Element\n */\nfunction createElement(tagName: string): HTMLElement | SVGElement {\n switch (tagName) {\n\n /* SVG elements */\n case \"svg\":\n case \"path\":\n return document.createElementNS(\"http://www.w3.org/2000/svg\", tagName)\n\n /* HTML elements */\n default:\n return document.createElement(tagName)\n }\n}\n\n/**\n * Set an attribute\n *\n * @param el - Element\n * @param name - Attribute name\n * @param value - Attribute value\n */\nfunction setAttribute(\n el: HTMLElement | SVGElement, name: string, value: string) {\n switch (name) {\n\n /* Attributes to be ignored */\n case \"xmlns\":\n break\n\n /* Attributes of SVG elements */\n case \"viewBox\":\n case \"d\":\n if (typeof value !== \"boolean\")\n el.setAttributeNS(null, name, value)\n else if (value)\n el.setAttributeNS(null, name, \"\")\n break\n\n /* Attributes of HTML elements */\n default:\n if (typeof value !== \"boolean\")\n el.setAttribute(name, value)\n else if (value)\n el.setAttribute(name, \"\")\n }\n}\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(\n el: HTMLElement | SVGElement, child: Child | Child[]\n): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tagName - HTML or SVG tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @return Element\n */\nexport function h(\n tagName: string, attributes: Attributes | null, ...children: Child[]\n): HTMLElement | SVGElement {\n const el = createElement(tagName)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n setAttribute(el, attr, attributes[attr])\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n namespace JSX {\n type Element = HTMLElement | SVGElement\n type IntrinsicElements = JSXInternal.IntrinsicElements\n }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, defer, of } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Cache the last value emitted by an observable in session storage\n *\n * If the key is not found in session storage, the factory is executed and the\n * latest value emitted will automatically be persisted to sessions storage.\n * Note that the values emitted by the returned observable must be serializable\n * as `JSON`, or data will be lost.\n *\n * @template T - Value type\n *\n * @param key - Cache key\n * @param factory - Observable factory\n *\n * @return Value observable\n */\nexport function cache(\n key: string, factory: () => Observable\n): Observable {\n return defer(() => {\n const data = sessionStorage.getItem(key)\n if (data) {\n return of(JSON.parse(data) as T)\n\n /* Retrieve value from observable factory and write to storage */\n } else {\n const value$ = factory()\n value$.subscribe(value => {\n try {\n sessionStorage.setItem(key, JSON.stringify(value))\n } catch (err) {\n /* Uncritical, just swallow */\n }\n })\n\n /* Return value */\n return value$\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { getElementOrThrow } from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Translation keys\n */\ntype TranslateKey =\n | \"clipboard.copy\" /* Copy to clipboard */\n | \"clipboard.copied\" /* Copied to clipboard */\n | \"search.config.lang\" /* Search language */\n | \"search.config.pipeline\" /* Search pipeline */\n | \"search.config.separator\" /* Search separator */\n | \"search.result.placeholder\" /* Type to start searching */\n | \"search.result.none\" /* No matching documents */\n | \"search.result.one\" /* 1 matching document */\n | \"search.result.other\" /* # matching documents */\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Translations\n */\nlet lang: Record\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Translate the given key\n *\n * @param key - Key to be translated\n * @param value - Value to be replaced\n *\n * @return Translation\n */\nexport function translate(key: TranslateKey, value?: string): string {\n if (typeof lang === \"undefined\") {\n const el = getElementOrThrow(\"#__lang\")\n lang = JSON.parse(el.textContent!)\n }\n if (typeof lang[key] === \"undefined\") {\n throw new ReferenceError(`Invalid translation: ${key}`)\n }\n return typeof value !== \"undefined\"\n ? lang[key].replace(\"#\", value)\n : lang[key]\n}\n\n/**\n * Truncate a string after the given number of characters\n *\n * This is not a very reasonable approach, since the summaries kind of suck.\n * It would be better to create something more intelligent, highlighting the\n * search occurrences and making a better summary out of it, but this note was\n * written three years ago, so who knows if we'll ever fix it.\n *\n * @param value - Value to be truncated\n * @param n - Number of characters\n *\n * @return Truncated value\n */\nexport function truncate(value: string, n: number): string {\n let i = n\n if (value.length > i) {\n while (value[i] !== \" \" && --i > 0); // tslint:disable-line\n return `${value.substring(0, i)}...`\n }\n return value\n}\n\n/**\n * Round a number for display with source facts\n *\n * This is a reverse engineered version of GitHub's weird rounding algorithm\n * for stars, forks and all other numbers. While all numbers below `1,000` are\n * returned as-is, bigger numbers are converted to fixed numbers:\n *\n * - `1,049` => `1k`\n * - `1,050` => `1.1k`\n * - `1,949` => `1.9k`\n * - `1,950` => `2k`\n *\n * @param value - Original value\n *\n * @return Rounded value\n */\nexport function round(value: number): string {\n if (value > 999) {\n const digits = +((value - 950) % 1000 > 99)\n return `${((value + 1) / 1000).toFixed(digits)}k`\n } else {\n return value.toString()\n }\n}\n\n/**\n * Simple hash function\n *\n * @see https://bit.ly/2wsVjJ4 - Original source\n *\n * @param value - Value to be hashed\n *\n * @return Hash as 32bit integer\n */\nexport function hash(value: string): number {\n let h = 0\n for (let i = 0, len = value.length; i < len; i++) {\n h = ((h << 5) - h) + value.charCodeAt(i)\n h |= 0 // Convert to 32bit integer\n }\n return h\n }\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./header\"\nexport * from \"./hero\"\nexport * from \"./main\"\nexport * from \"./navigation\"\nexport * from \"./search\"\nexport * from \"./shared\"\nexport * from \"./tabs\"\nexport * from \"./toc\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport * as ClipboardJS from \"clipboard\"\nimport { NEVER, Observable, Subject, fromEventPattern } from \"rxjs\"\nimport { mapTo, share, tap } from \"rxjs/operators\"\n\nimport { getElements } from \"browser\"\nimport { renderClipboardButton } from \"templates\"\nimport { translate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Observable /* Document observable */\n dialog$: Subject /* Dialog subject */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up clipboard\n *\n * This function implements the Clipboard.js integration and injects a button\n * into all code blocks when the document changes.\n *\n * @param options - Options\n *\n * @return Clipboard observable\n */\nexport function setupClipboard(\n { document$, dialog$ }: SetupOptions\n): Observable {\n if (!ClipboardJS.isSupported())\n return NEVER\n\n /* Inject 'copy-to-clipboard' buttons */\n document$.subscribe(() => {\n const blocks = getElements(\"pre > code\")\n blocks.forEach((block, index) => {\n const parent = block.parentElement!\n parent.id = `__code_${index}`\n parent.insertBefore(renderClipboardButton(parent.id), block)\n })\n })\n\n /* Initialize clipboard */\n const clipboard$ = fromEventPattern(next => {\n new ClipboardJS(\".md-clipboard\").on(\"success\", next)\n })\n .pipe(\n share()\n )\n\n /* Display notification for clipboard event */\n clipboard$\n .pipe(\n tap(ev => ev.clearSelection()),\n mapTo(translate(\"clipboard.copied\"))\n )\n .subscribe(dialog$)\n\n /* Return clipboard */\n return clipboard$\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Subject, animationFrameScheduler, of } from \"rxjs\"\nimport {\n delay,\n map,\n observeOn,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { createElement } from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n duration?: number /* Display duration (default: 2s) */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up dialog\n *\n * @param options - Options\n *\n * @return Dialog observable\n */\nexport function setupDialog(\n { duration }: SetupOptions = {}\n): Subject {\n const dialog$ = new Subject()\n\n /* Create dialog */\n const dialog = createElement(\"div\") // TODO: improve scoping\n dialog.classList.add(\"md-dialog\", \"md-typeset\")\n\n /* Display dialog */\n dialog$\n .pipe(\n switchMap(text => of(document.body) // useComponent(\"container\")\n .pipe(\n map(container => container.appendChild(dialog)),\n observeOn(animationFrameScheduler),\n delay(1), // Strangley it doesnt work when we push things to the new animation frame...\n tap(el => {\n el.innerHTML = text\n el.setAttribute(\"data-md-state\", \"open\")\n }),\n delay(duration || 2000),\n tap(el => el.removeAttribute(\"data-md-state\")),\n delay(400),\n tap(el => {\n el.innerHTML = \"\"\n el.remove()\n })\n )\n )\n )\n .subscribe()\n\n /* Return dialog */\n return dialog$\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, Subject, fromEvent, merge, of } from \"rxjs\"\nimport { ajax } from \"rxjs//ajax\"\nimport {\n bufferCount,\n catchError,\n debounceTime,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n filter,\n map,\n pluck,\n sample,\n share,\n skip,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n Viewport,\n ViewportOffset,\n getElement,\n isAnchorLocation,\n isLocalLocation,\n replaceElement,\n setLocation,\n setLocationHash,\n setToggle,\n setViewportOffset\n} from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * History state\n */\ninterface State {\n url: URL /* State URL */\n offset?: ViewportOffset /* State viewport offset */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n document$: Subject /* Document subject */\n location$: Subject /* Location subject */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up instant loading\n *\n * When fetching, theoretically, we could use `responseType: \"document\"`, but\n * since all MkDocs links are relative, we need to make sure that the current\n * location matches the document we just loaded. Otherwise any relative links\n * in the document could use the old location.\n *\n * This is the reason why we need to synchronize history events and the process\n * of fetching the document for navigation changes (except `popstate` events):\n *\n * 1. Fetch document via `XMLHTTPRequest`\n * 2. Set new location via `history.pushState`\n * 3. Parse and emit fetched document\n *\n * For `popstate` events, we must not use `history.pushState`, or the forward\n * history will be irreversibly overwritten. In case the request fails, the\n * location change is dispatched regularly.\n *\n * @param options - Options\n */\nexport function setupInstantLoading(\n { document$, viewport$, location$ }: SetupOptions\n): void {\n\n /* Disable automatic scroll restoration */\n if (\"scrollRestoration\" in history)\n history.scrollRestoration = \"manual\"\n\n /* Hack: ensure that reloads restore viewport offset */\n fromEvent(window, \"beforeunload\")\n .subscribe(() => {\n history.scrollRestoration = \"auto\"\n })\n\n /* Hack: ensure absolute favicon link to omit 404s on document switch */\n const favicon = getElement(`link[rel=\"shortcut icon\"]`)\n if (typeof favicon !== \"undefined\")\n favicon.href = favicon.href // tslint:disable-line no-self-assignment\n\n /* Intercept link clicks and convert to state change */\n const state$ = fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n switchMap(ev => {\n if (ev.target instanceof HTMLElement) {\n const el = ev.target.closest(\"a\")\n if (el && isLocalLocation(el)) {\n if (!isAnchorLocation(el))\n ev.preventDefault()\n return of(el)\n }\n }\n return NEVER\n }),\n map(el => ({ url: new URL(el.href) })),\n share()\n )\n\n /* Always close search on link click */\n state$.subscribe(() => {\n setToggle(\"search\", false)\n })\n\n /* Filter state changes to dispatch */\n const push$ = state$\n .pipe(\n filter(({ url }) => !isAnchorLocation(url)),\n share()\n )\n\n /* Intercept popstate events (history back and forward) */\n const pop$ = fromEvent(window, \"popstate\")\n .pipe(\n filter(ev => ev.state !== null),\n map(ev => ({\n url: new URL(location.href),\n offset: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(push$, pop$)\n .pipe(\n distinctUntilChanged((prev, next) => prev.url.href === next.url.href),\n pluck(\"url\")\n )\n .subscribe(location$)\n\n /* Fetch document on location change */\n const ajax$ = location$\n .pipe(\n distinctUntilKeyChanged(\"pathname\"),\n skip(1),\n switchMap(url => ajax({\n url: url.href,\n responseType: \"text\",\n withCredentials: true\n })\n .pipe(\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n )\n )\n\n /* Set new location as soon as the document was fetched */\n push$\n .pipe(\n sample(ajax$)\n )\n .subscribe(({ url }) => {\n history.pushState({}, \"\", url.toString())\n })\n\n /* Parse and emit document */\n const dom = new DOMParser()\n ajax$\n .pipe(\n map(({ response }) => dom.parseFromString(response, \"text/html\"))\n )\n .subscribe(document$)\n\n /* Intercept instant loading */\n const instant$ = merge(push$, pop$)\n .pipe(\n sample(document$)\n )\n\n // TODO: this must be combined with search scroll restoration on mobile\n instant$.subscribe(({ url, offset }) => {\n if (url.hash && !offset) {\n setLocationHash(url.hash)\n } else {\n setViewportOffset(offset || { y: 0 })\n }\n })\n\n /* Replace document metadata */\n instant$\n .pipe(\n withLatestFrom(document$)\n )\n .subscribe(([, { title, head }]) => {\n document.dispatchEvent(new CustomEvent(\"DOMContentSwitch\"))\n document.title = title\n\n /* Replace meta tags */\n for (const selector of [\n `link[rel=\"canonical\"]`,\n `meta[name=\"author\"]`,\n `meta[name=\"description\"]`\n ]) {\n const next = getElement(selector, head)\n const prev = getElement(selector, document.head)\n if (\n typeof next !== \"undefined\" &&\n typeof prev !== \"undefined\"\n ) {\n replaceElement(prev, next)\n }\n }\n })\n\n /* Debounce update of viewport offset */\n viewport$\n .pipe(\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\")\n )\n .subscribe(({ offset }) => {\n history.replaceState(offset, \"\")\n })\n\n /* Set viewport offset from history */\n merge(state$, pop$)\n .pipe(\n bufferCount(2, 1),\n filter(([prev, next]) => {\n return prev.url.pathname === next.url.pathname\n && !isAnchorLocation(next.url)\n }),\n map(([, state]) => state)\n )\n .subscribe(({ offset }) => {\n setViewportOffset(offset || { y: 0 })\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable } from \"rxjs\"\nimport {\n filter,\n map,\n share,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n Key,\n getActiveElement,\n getElement,\n getElements,\n getToggle,\n isSusceptibleToKeyboard,\n setElementFocus,\n setElementSelection,\n setToggle,\n watchKeyboard\n} from \"browser\"\nimport { useComponent } from \"components\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Keyboard mode\n */\nexport type KeyboardMode =\n | \"global\" /* Global */\n | \"search\" /* Search is open */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Keyboard\n */\nexport interface Keyboard extends Key {\n mode: KeyboardMode /* Keyboard mode */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up keyboard\n *\n * This function will set up the keyboard handlers and ensure that keys are\n * correctly propagated. Currently there are two modes:\n *\n * - `global`: This mode is active when the search is closed. It is intended\n * to assign hotkeys to specific functions of the site. Currently the search,\n * previous and next page can be triggered.\n *\n * - `search`: This mode is active when the search is open. It maps certain\n * navigational keys to offer search results that can be entirely navigated\n * through keyboard input.\n *\n * The keyboard observable is returned and can be used to monitor the keyboard\n * in order toassign further hotkeys to custom functions.\n *\n * @return Keyboard observable\n */\nexport function setupKeyboard(): Observable {\n const keyboard$ = watchKeyboard()\n .pipe(\n map(key => ({\n mode: getToggle(\"search\") ? \"search\" : \"global\",\n ...key\n })),\n filter(({ mode }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active)\n }\n return true\n }),\n share()\n )\n\n /* Set up search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\"),\n withLatestFrom(\n useComponent(\"search-query\"),\n useComponent(\"search-result\")\n )\n )\n .subscribe(([key, query, result]) => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: prevent form submission */\n case \"Enter\":\n if (active === query)\n key.claim()\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(\"search\", false)\n setElementFocus(query, false)\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n setElementFocus(query)\n } else {\n const els = [query, ...getElements(\"[href]\", result)]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n setElementFocus(els[i])\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n setElementFocus(query)\n }\n })\n\n /* Set up global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\"),\n withLatestFrom(useComponent(\"search-query\"))\n )\n .subscribe(([key, query]) => {\n switch (key.type) {\n\n /* Open search and select query */\n case \"f\":\n case \"s\":\n case \"/\":\n setElementFocus(query)\n setElementSelection(query)\n key.claim()\n break\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getElement(\"[href][rel=prev]\")\n if (typeof prev !== \"undefined\")\n prev.click()\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getElement(\"[href][rel=next]\")\n if (typeof next !== \"undefined\")\n next.click()\n break\n }\n })\n\n /* Return keyboard */\n return keyboard$\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ArticleDocument,\n SearchDocumentMap,\n SectionDocument,\n setupSearchDocumentMap\n} from \"../document\"\nimport {\n SearchHighlightFactoryFn,\n setupSearchHighlighter\n} from \"../highlighter\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index configuration\n */\nexport interface SearchIndexConfig {\n lang: string[] /* Search languages */\n separator: string /* Search separator */\n}\n\n/**\n * Search index document\n */\nexport interface SearchIndexDocument {\n location: string /* Document location */\n title: string /* Document title */\n text: string /* Document text */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index pipeline function\n */\nexport type SearchIndexPipelineFn =\n | \"stemmer\" /* Stemmer */\n | \"stopWordFilter\" /* Stop word filter */\n | \"trimmer\" /* Trimmer */\n\n/**\n * Search index pipeline\n */\nexport type SearchIndexPipeline = SearchIndexPipelineFn[]\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n *\n * This interfaces describes the format of the `search_index.json` file which\n * is automatically built by the MkDocs search plugin.\n */\nexport interface SearchIndex {\n config: SearchIndexConfig /* Search index configuration */\n docs: SearchIndexDocument[] /* Search index documents */\n index?: object | string /* Prebuilt or serialized index */\n pipeline?: SearchIndexPipeline /* Search index pipeline */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n article: ArticleDocument /* Article document */\n sections: SectionDocument[] /* Section documents */\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n *\n * Note that `lunr` is injected via Webpack, as it will otherwise also be\n * bundled in the application bundle.\n */\nexport class Search {\n\n /**\n * Search document mapping\n *\n * A mapping of URLs (including hash fragments) to the actual articles and\n * sections of the documentation. The search document mapping must be created\n * regardless of whether the index was prebuilt or not, as `lunr` itself will\n * only store the actual index.\n */\n protected documents: SearchDocumentMap\n\n /**\n * Search highlight factory function\n */\n protected highlight: SearchHighlightFactoryFn\n\n /**\n * The `lunr` search index\n */\n protected index: lunr.Index\n\n /**\n * Create the search integration\n *\n * @param data - Search index\n */\n public constructor({ config, docs, pipeline, index }: SearchIndex) {\n this.documents = setupSearchDocumentMap(docs)\n this.highlight = setupSearchHighlighter(config)\n\n /* If no index was given, create it */\n if (typeof index === \"undefined\") {\n this.index = lunr(function() {\n pipeline = pipeline || [\"trimmer\", \"stopWordFilter\"]\n\n /* Set up pipeline according to configuration */\n this.pipeline.reset()\n for (const fn of pipeline)\n this.pipeline.add(lunr[fn])\n\n /* Set up alternate search languages */\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n this.use((lunr as any)[config.lang[0]])\n } else if (config.lang.length > 1) {\n this.use((lunr as any).multiLanguage(...config.lang))\n }\n\n /* Set up fields and reference */\n this.field(\"title\", { boost: 1000 })\n this.field(\"text\")\n this.ref(\"location\")\n\n /* Index documents */\n for (const doc of docs)\n this.add(doc)\n })\n\n /* Prebuilt or serialized index */\n } else {\n this.index = lunr.Index.load(\n typeof index === \"string\"\n ? JSON.parse(index)\n : index\n )\n }\n }\n\n /**\n * Search for matching documents\n *\n * The search index which MkDocs provides is divided up into articles, which\n * contain the whole content of the individual pages, and sections, which only\n * contain the contents of the subsections obtained by breaking the individual\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\n * with indentical titles (for example within this very project, e.g. \"Usage\"\n * or \"Installation\"), they need to be put into the context of the containing\n * page. For this reason, section results are grouped within their respective\n * articles which are the top-level results that are returned.\n *\n * @param value - Query value\n *\n * @return Search results\n */\n public query(value: string): SearchResult[] {\n if (value) {\n try {\n\n /* Group sections by containing article */\n const groups = this.index.search(value)\n .reduce((results, result) => {\n const document = this.documents.get(result.ref)\n if (typeof document !== \"undefined\") {\n if (\"parent\" in document) {\n const ref = document.parent.location\n results.set(ref, [...results.get(ref) || [], result])\n } else {\n const ref = document.location\n results.set(ref, results.get(ref) || [])\n }\n }\n return results\n }, new Map())\n\n /* Create highlighter for query */\n const fn = this.highlight(value)\n\n /* Map groups to search documents */\n return [...groups].map(([ref, sections]) => ({\n article: fn(this.documents.get(ref) as ArticleDocument),\n sections: sections.map(section => {\n return fn(this.documents.get(section.ref) as SectionDocument)\n })\n }))\n\n /* Log errors to console (for now) */\n } catch (err) {\n // tslint:disable-next-line no-console\n console.warn(`Invalid query: ${value} – see https://bit.ly/2s3ChXG`)\n }\n }\n\n /* Return nothing in case of error or empty query */\n return []\n }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport * as escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * A top-level article\n */\nexport interface ArticleDocument extends SearchIndexDocument {\n linked: boolean /* Whether the section was linked */\n}\n\n/**\n * A section of an article\n */\nexport interface SectionDocument extends SearchIndexDocument {\n parent: ArticleDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport type SearchDocument =\n | ArticleDocument\n | SectionDocument\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @return Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location and title */\n const location = doc.location\n const title = doc.title\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path) as ArticleDocument\n\n /* Ignore first section, override article */\n if (!parent.linked) {\n parent.title = doc.title\n parent.text = text\n parent.linked = true\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n linked: false\n })\n }\n }\n return documents\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndexConfig } from \"../_\"\nimport { SearchDocument } from \"../document\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @template T - Search document type\n *\n * @param document - Search document\n *\n * @return Highlighted document\n */\nexport type SearchHighlightFn = <\n T extends SearchDocument\n>(document: Readonly) => T\n\n/**\n * Search highlight factory function\n *\n * @param value - Query value\n *\n * @return Search highlight function\n */\nexport type SearchHighlightFactoryFn = (value: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n *\n * @return Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (value: string) => {\n value = value\n .replace(/[\\s*+-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n value\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight document */\n return document => ({\n ...document,\n title: document.title.replace(match, highlight),\n text: document.text.replace(match, highlight)\n })\n }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search transformation function\n *\n * @param value - Query value\n *\n * @return Transformed query value\n */\nexport type SearchTransformFn = (value: string) => string\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Default transformation function\n *\n * Rogue control characters are filtered before handing the query to the\n * search index, as `lunr` will throw otherwise.\n *\n * @param value - Query value\n *\n * @return Transformed query value\n */\nexport function defaultTransform(value: string): string {\n return value\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\n .trim()\n .replace(/\\s+|\\b$/g, \"* \")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * A message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult[] /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, Subject, asyncScheduler } from \"rxjs\"\nimport {\n map,\n observeOn,\n shareReplay,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { WorkerHandler, watchWorker } from \"browser\"\nimport { translate } from \"utilities\"\n\nimport { SearchIndex, SearchIndexPipeline } from \"../../_\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchSetupMessage,\n isSearchResultMessage\n} from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup options\n */\ninterface SetupOptions {\n index$: Observable /* Search index observable */\n base$: Observable /* Location base observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search index\n *\n * @param data - Search index\n *\n * @return Search index\n */\nfunction setupSearchIndex(\n { config, docs, index }: SearchIndex\n): SearchIndex {\n\n /* Override default language with value from translation */\n if (config.lang.length === 1 && config.lang[0] === \"en\")\n config.lang = [translate(\"search.config.lang\")]\n\n /* Override default separator with value from translation */\n if (config.separator === \"[\\s\\-]+\")\n config.separator = translate(\"search.config.separator\")\n\n /* Set pipeline from translation */\n const pipeline = translate(\"search.config.pipeline\")\n .split(/\\s*,\\s*/)\n .filter(identity) as SearchIndexPipeline\n\n /* Return search index after defaulting */\n return { config, docs, index, pipeline }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up search web worker\n *\n * This function will create a web worker to set up and query the search index\n * which is done using `lunr`. The index must be passed as an observable to\n * enable hacks like _localsearch_ via search index embedding as JSON.\n *\n * @param url - Worker URL\n * @param options - Options\n *\n * @return Worker handler\n */\nexport function setupSearchWorker(\n url: string, { index$, base$ }: SetupOptions\n): WorkerHandler {\n const worker = new Worker(url)\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n withLatestFrom(base$),\n map(([message, base]) => {\n if (isSearchResultMessage(message)) {\n for (const { article, sections } of message.data) {\n article.location = `${base}/${article.location}`\n for (const section of sections)\n section.location = `${base}/${section.location}`\n }\n }\n return message\n }),\n shareReplay(1)\n )\n\n /* Set up search index */\n index$\n .pipe(\n map(index => ({\n type: SearchMessageType.SETUP,\n data: setupSearchIndex(index)\n })),\n observeOn(asyncScheduler)\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Return worker handler */\n return { tx$, rx$ }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar offset\n *\n * @param el - Sidebar element\n * @param value - Sidebar offset\n */\nexport function setSidebarOffset(\n el: HTMLElement, value: number\n): void {\n el.style.top = `${value}px`\n}\n\n/**\n * Reset sidebar offset\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarOffset(\n el: HTMLElement\n): void {\n el.style.top = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar height\n *\n * @param el - Sidebar element\n * @param value - Sidebar height\n */\nexport function setSidebarHeight(\n el: HTMLElement, value: number\n): void {\n el.style.height = `${value}px`\n}\n\n/**\n * Reset sidebar height\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarHeight(\n el: HTMLElement\n): void {\n el.style.height = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set sidebar lock\n *\n * @param el - Sidebar element\n * @param value - Whether the sidebar is locked\n */\nexport function setSidebarLock(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"lock\" : \"\")\n}\n\n/**\n * Reset sidebar lock\n *\n * @param el - Sidebar element\n */\nexport function resetSidebarLock(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { EMPTY, Observable, of } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n scan,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { getElement, replaceElement } from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component\n */\nexport type Component =\n | \"announce\" /* Announcement bar */\n | \"container\" /* Container */\n | \"header\" /* Header */\n | \"header-title\" /* Header title */\n | \"hero\" /* Hero */\n | \"main\" /* Main area */\n | \"navigation\" /* Navigation */\n | \"search\" /* Search */\n | \"search-query\" /* Search input */\n | \"search-reset\" /* Search reset */\n | \"search-result\" /* Search results */\n | \"skip\" /* Skip link */\n | \"tabs\" /* Tabs */\n | \"toc\" /* Table of contents */\n\n/**\n * Component map\n */\nexport type ComponentMap = {\n [P in Component]?: HTMLElement\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Component map observable\n */\nlet components$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up bindings to components with given names\n *\n * This function will maintain bindings to the elements identified by the given\n * names in-between document switches and update the elements in-place.\n *\n * @param names - Component names\n * @param options - Options\n */\nexport function setupComponents(\n names: Component[], { document$ }: WatchOptions\n): void {\n components$ = document$\n .pipe(\n\n /* Build component map */\n map(document => names.reduce((components, name) => {\n const el = getElement(`[data-md-component=${name}]`, document)\n return {\n ...components,\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\n }\n }, {})),\n\n /* Re-compute component map on document switch */\n scan((prev, next) => {\n for (const name of names) {\n switch (name) {\n\n /* Top-level components: update */\n case \"announce\":\n case \"header-title\":\n case \"container\":\n case \"skip\":\n if (name in prev && typeof prev[name] !== \"undefined\") {\n replaceElement(prev[name]!, next[name]!)\n prev[name] = next[name]\n }\n break\n\n /* All other components: rebind */\n default:\n if (typeof next[name] !== \"undefined\")\n prev[name] = getElement(`[data-md-component=${name}]`)\n else\n delete prev[name]\n }\n }\n return prev\n }),\n\n /* Convert to hot observable */\n shareReplay(1)\n )\n}\n\n/**\n * Retrieve a component\n *\n * The returned observable will only re-emit if the element changed, i.e. if\n * it was replaced from a document which was switched to.\n *\n * @template T - Element type\n *\n * @param name - Component name\n *\n * @return Component observable\n */\nexport function useComponent(\n name: \"search-query\"\n): Observable\nexport function useComponent(\n name: Component\n): Observable\nexport function useComponent(\n name: Component\n): Observable {\n return components$\n .pipe(\n switchMap(components => (\n typeof components[name] !== \"undefined\"\n ? of(components[name] as T)\n : EMPTY\n )),\n distinctUntilChanged()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set anchor blur\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is blurred\n */\nexport function setAnchorBlur(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"blur\" : \"\")\n}\n\n/**\n * Reset anchor blur\n *\n * @param el - Anchor element\n */\nexport function resetAnchorBlur(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Set anchor active\n *\n * @param el - Anchor element\n * @param value - Whether the anchor is active\n */\nexport function setAnchorActive(\n el: HTMLElement, value: boolean\n): void {\n el.classList.toggle(\"md-nav__link--active\", value)\n}\n\n/**\n * Reset anchor active\n *\n * @param el - Anchor element\n */\nexport function resetAnchorActive(\n el: HTMLElement\n): void {\n el.classList.remove(\"md-nav__link--active\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./sidebar\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h, translate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n container: \"md-clipboard md-icon\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Path of `file-search-outline` icon\n */\nconst path =\n \"M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 \" +\n \"21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @return Element\n */\nexport function renderClipboardButton(\n id: string\n) {\n return (\n code`}\n >\n \n \n \n \n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchResult } from \"integrations/search\"\nimport { h, truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n item: \"md-search-result__item\",\n link: \"md-search-result__link\",\n article: \"md-search-result__article md-search-result__article--document\",\n section: \"md-search-result__article\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Path of `content-copy` icon\n */\nconst path =\n \"M14,2H6A2,2 0 0,0 4,4V20A2,2 0 0,0 6,22H13C12.59,21.75 12.2,21.44 \" +\n \"11.86,21.1C11.53,20.77 11.25,20.4 11,20H6V4H13V9H18V10.18C18.71,10.34 \" +\n \"19.39,10.61 20,11V8L14,2M20.31,18.9C21.64,16.79 21,14 \" +\n \"18.91,12.68C16.8,11.35 14,12 12.69,14.08C11.35,16.19 12,18.97 \" +\n \"14.09,20.3C15.55,21.23 17.41,21.23 \" +\n \"18.88,20.32L22,23.39L23.39,22L20.31,18.9M16.5,19A2.5,2.5 0 0,1 \" +\n \"14,16.5A2.5,2.5 0 0,1 16.5,14A2.5,2.5 0 0,1 19,16.5A2.5,2.5 0 0,1 16.5,19Z\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @return Element\n */\nexport function renderSearchResult(\n { article, sections }: SearchResult\n) {\n\n /* Render icon */\n const icon = (\n
    \n \n \n \n
    \n )\n\n /* Render article and sections */\n const children = [article, ...sections].map(document => {\n const { location, title, text } = document\n return (\n \n
    \n {!(\"parent\" in document) && icon}\n

    {title}

    \n {text.length > 0 &&

    {truncate(text, 320)}

    }\n
    \n     \n )\n })\n\n /* Render search result */\n return (\n
  • \n {children}\n
    • \n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SourceFacts } from \"patches/source\"\nimport { h } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n facts: \"md-source__facts\",\n fact: \"md-source__fact\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render source facts\n *\n * @param facts - Source facts\n *\n * @return Element\n */\nexport function renderSource(\n facts: SourceFacts\n) {\n const children = facts.map(fact => (\n
  • {fact}
    • \n ))\n return (\n
      \n {children}\n
    \n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { h } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n wrapper: \"md-typeset__scrollwrap\",\n table: \"md-typeset__table\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @return Element\n */\nexport function renderTable(\n table: HTMLTableElement\n) {\n return (\n
    \n
    \n {table}\n
    \n
    \n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Global augmentations\n */\ndeclare global {\n interface CSSStyleDeclaration {\n webkitOverflowScrolling: \"touch\" | \"\"\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set overflow scrolling\n *\n * @param el - Scrollable element\n */\nexport function setOverflowScrolling(\n el: HTMLElement\n): void {\n el.style.webkitOverflowScrolling = \"touch\"\n}\n\n/**\n * Reset overflow scrolling\n *\n * @param el - Scrollable element\n */\nexport function resetOverflowScrolling(\n el: HTMLElement\n): void {\n el.style.webkitOverflowScrolling = \"\"\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./react\"\nexport * from \"./set\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./react\"\nexport * from \"./set\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./layer\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport { Viewport, getElements } from \"browser\"\n\nimport { Header } from \"../../header\"\nimport { Main } from \"../../main\"\nimport {\n Sidebar,\n applySidebar,\n watchSidebar\n} from \"../../shared\"\nimport {\n NavigationLayer,\n applyNavigationLayer,\n watchNavigationLayer\n} from \"../layer\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation for [screen -]\n */\ninterface NavigationBelowScreen {\n layer: NavigationLayer /* Active layer */\n}\n\n/**\n * Navigation for [screen +]\n */\ninterface NavigationAboveScreen {\n sidebar: Sidebar /* Sidebar */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Navigation\n */\nexport type Navigation =\n | NavigationBelowScreen\n | NavigationAboveScreen\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n viewport$: Observable /* Viewport observable */\n screen$: Observable /* Screen media observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount navigation from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountNavigation(\n { header$, main$, viewport$, screen$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => screen$\n .pipe(\n switchMap(screen => {\n\n /* [screen +]: Mount navigation in sidebar */\n if (screen) {\n return watchSidebar(el, { main$, viewport$ })\n .pipe(\n applySidebar(el, { header$ }),\n map(sidebar => ({ sidebar }))\n )\n\n /* [screen -]: Mount navigation in drawer */\n } else {\n const els = getElements(\"nav\", el)\n return watchNavigationLayer(els)\n .pipe(\n applyNavigationLayer(els),\n map(layer => ({ layer }))\n )\n }\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./react\"\nexport * from \"./set\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { Viewport } from \"browser\"\n\nimport { Header } from \"../../../header\"\nimport { Main } from \"../../../main\"\nimport { Sidebar } from \"../_\"\nimport {\n resetSidebarHeight,\n resetSidebarLock,\n resetSidebarOffset,\n setSidebarHeight,\n setSidebarLock,\n setSidebarOffset\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n main$: Observable
    /* Main area observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/**\n * Apply options\n */\ninterface ApplyOptions {\n header$: Observable
    /* Header observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch sidebar\n *\n * This function returns an observable that computes the visual parameters of\n * the sidebar which depends on the vertical viewport offset, as well as the\n * height of the main area. When the page is scrolled beyond the header, the\n * sidebar is locked and fills the remaining space.\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @return Sidebar observable\n */\nexport function watchSidebar(\n el: HTMLElement, { main$, viewport$ }: WatchOptions\n): Observable {\n const adjust = el.parentElement!.offsetTop\n - el.parentElement!.parentElement!.offsetTop\n\n /* Compute the sidebar's available height and if it should be locked */\n return combineLatest([main$, viewport$])\n .pipe(\n map(([{ offset, height }, { offset: { y } }]) => {\n height = height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n return {\n height,\n lock: y >= offset + adjust\n }\n }),\n distinctUntilChanged((a, b) => {\n return a.height === b.height\n && a.lock === b.lock\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Apply sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function applySidebar(\n el: HTMLElement, { header$ }: ApplyOptions\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n withLatestFrom(header$),\n tap(([{ height, lock }, { height: offset }]) => {\n setSidebarHeight(el, height)\n setSidebarLock(el, lock)\n\n /* Set offset in locked state depending on header height */\n if (lock)\n setSidebarOffset(el, offset)\n else\n resetSidebarOffset(el)\n }),\n\n /* Re-map to sidebar */\n map(([sidebar]) => sidebar),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSidebarOffset(el)\n resetSidebarHeight(el)\n resetSidebarLock(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { findLast } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n fromEvent,\n merge,\n pipe\n} from \"rxjs\"\nimport {\n delay,\n finalize,\n map,\n observeOn,\n scan,\n tap\n} from \"rxjs/operators\"\n\nimport { getElement, getElementOrThrow } from \"browser\"\n\nimport { NavigationLayer } from \"../_\"\nimport {\n resetOverflowScrolling,\n setOverflowScrolling\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch navigation layer\n *\n * On iOS we want to add `-webkit-overflow-scrolling: touch` for the menus\n * contained in the drawer, but as the navigational layers are nested, we can\n * only add it to the topmost layer or extremely weird cropping will occur.\n * This implementation keeps track of the previous and current layer.\n *\n * @param els - Navigation elements\n *\n * @return Navigation layer observable\n */\nexport function watchNavigationLayer(\n els: HTMLElement[]\n): Observable {\n const table = new Map()\n for (const el of els) {\n const label = getElement(\"label\", el)\n if (typeof label !== \"undefined\") {\n const input = getElementOrThrow(`#${label.htmlFor}`)\n table.set(input, el)\n }\n }\n\n /* Determine topmost layer */\n const layer$ = merge(...[...table.keys()].map(input => (\n fromEvent(input, \"change\")\n )))\n .pipe(\n map(() => getElementOrThrow(\".md-nav__list\", table.get(\n findLast(({ checked }) => checked, [...table.keys()])!\n )))\n )\n\n /* Return previous and next layer */\n return layer$\n .pipe(\n map(next => ({ next })),\n scan(({ next: prev }, { next }) => ({ prev, next }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Apply navigation layer\n *\n * @param els - Navigation elements\n *\n * @return Operator function\n */\nexport function applyNavigationLayer(\n els: HTMLElement[]\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ prev }) => {\n if (prev)\n resetOverflowScrolling(prev)\n }),\n\n /* Wait until transition has finished */\n delay(250),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ next }) => {\n setOverflowScrolling(next)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n for (const el of els)\n resetOverflowScrolling(\n getElementOrThrow(\".md-nav__list\", el)\n )\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nexport * from \"./_\"\nexport * from \"./anchor\"\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n Observable,\n OperatorFunction,\n combineLatest,\n of,\n pipe\n} from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport { Viewport, getElements } from \"browser\"\n\nimport { Header } from \"../../header\"\nimport { Main } from \"../../main\"\nimport {\n Sidebar,\n applySidebar,\n watchSidebar\n} from \"../../shared\"\nimport {\n AnchorList,\n applyAnchorList,\n watchAnchorList\n} from \"../anchor\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents for [tablet -]\n */\ninterface TableOfContentsBelowTablet {} // tslint:disable-line\n\n/**\n * Table of contents for [tablet +]\n */\ninterface TableOfContentsAboveTablet {\n sidebar: Sidebar /* Sidebar */\n anchors: AnchorList /* Anchor list */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Table of contents\n */\nexport type TableOfContents =\n | TableOfContentsBelowTablet\n | TableOfContentsAboveTablet\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n main$: Observable
    /* Main area observable */\n viewport$: Observable /* Viewport observable */\n tablet$: Observable /* Tablet media observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount table of contents from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTableOfContents(\n { header$, main$, viewport$, tablet$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => tablet$\n .pipe(\n switchMap(tablet => {\n\n /* [tablet +]: Mount table of contents in sidebar */\n if (tablet) {\n const els = getElements(\".md-nav__link\", el)\n\n /* Watch and apply sidebar */\n const sidebar$ = watchSidebar(el, { main$, viewport$ })\n .pipe(\n applySidebar(el, { header$ })\n )\n\n /* Watch and apply anchor list (scroll spy) */\n const anchors$ = watchAnchorList(els, { header$, viewport$ })\n .pipe(\n applyAnchorList(els)\n )\n\n /* Combine into a single hot observable */\n return combineLatest([sidebar$, anchors$])\n .pipe(\n map(([sidebar, anchors]) => ({ sidebar, anchors }))\n )\n\n /* [tablet -]: Unmount table of contents */\n } else {\n return of({})\n }\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { reverse } from \"ramda\"\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n bufferCount,\n distinctUntilChanged,\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n scan,\n startWith,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { Viewport, getElement, watchElementSize } from \"browser\"\n\nimport { Header } from \"../../../header\"\nimport { AnchorList } from \"../_\"\nimport {\n resetAnchorActive,\n resetAnchorBlur,\n setAnchorActive,\n setAnchorBlur\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch anchor list\n *\n * This is effectively a scroll-spy implementation which will account for the\n * fixed header and automatically re-calculate anchor offsets when the viewport\n * is resized. The returned observable will only emit if the anchor list needs\n * to be repainted.\n *\n * This implementation tracks an anchor element's entire path starting from its\n * level up to the top-most anchor element, e.g. `[h3, h2, h1]`. Although the\n * Material theme currently doesn't make use of this information, it enables\n * the styling of the entire hierarchy through customization.\n *\n * Note that the current anchor is the last item of the `prev` anchor list.\n *\n * @param els - Anchor elements\n * @param options - Options\n *\n * @return Anchor list observable\n */\nexport function watchAnchorList(\n els: HTMLAnchorElement[], { header$, viewport$ }: WatchOptions\n): Observable {\n const table = new Map()\n for (const el of els) {\n const id = decodeURIComponent(el.hash.substring(1))\n const target = getElement(`[id=\"${id}\"]`)\n if (typeof target !== \"undefined\")\n table.set(el, target)\n }\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n map(header => 18 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = watchElementSize(document.body)\n .pipe(\n distinctUntilKeyChanged(\"height\"),\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n reverse(path = [...path, anchor]),\n offset\n )\n }, new Map())\n }),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest([adjust$, viewport$])\n .pipe(\n scan(([prev, next], [adjust, { offset: { y } }]) => {\n\n /* Look forward */\n while (next.length) {\n const [, offset] = next[0]\n if (offset - adjust < y) {\n prev = [...prev, next.shift()!]\n } else {\n break\n }\n }\n\n /* Look backward */\n while (prev.length) {\n const [, offset] = prev[prev.length - 1]\n if (offset - adjust >= y) {\n next = [prev.pop()!, ...next]\n } else {\n break\n }\n }\n\n /* Return partition */\n return [prev, next]\n }, [[], [...index]]),\n distinctUntilChanged((a, b) => {\n return a[0] === b[0]\n && a[1] === b[1]\n })\n )\n )\n )\n\n /* Compute and return anchor list migrations */\n return partition$\n .pipe(\n map(([prev, next]) => ({\n prev: prev.map(([path]) => path),\n next: next.map(([path]) => path)\n })),\n\n /* Extract anchor list migrations */\n startWith({ prev: [], next: [] }),\n bufferCount(2, 1),\n map(([a, b]) => {\n\n /* Moving down */\n if (a.prev.length < b.prev.length) {\n return {\n prev: b.prev.slice(Math.max(0, a.prev.length - 1), b.prev.length),\n next: []\n }\n\n /* Moving up */\n } else {\n return {\n prev: b.prev.slice(-1),\n next: b.next.slice(0, b.next.length - a.next.length)\n }\n }\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Apply anchor list\n *\n * @param els - Anchor elements\n *\n * @return Operator function\n */\nexport function applyAnchorList(\n els: HTMLAnchorElement[]\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ prev, next }) => {\n\n /* Look forward */\n for (const [el] of next) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n\n /* Look backward */\n prev.forEach(([el], index) => {\n setAnchorActive(el, index === prev.length - 1)\n setAnchorBlur(el, true)\n })\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n for (const el of els) {\n resetAnchorActive(el)\n resetAnchorBlur(el)\n }\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport { SearchResult } from \"integrations/search\"\n\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nexport interface Search {\n query: SearchQuery /* Search query */\n result: SearchResult[] /* Search result list */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n reset$: Observable /* Search reset observable */\n result$: Observable /* Search result observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountSearch(\n { query$, reset$, result$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(() => combineLatest([query$, result$, reset$])\n .pipe(\n map(([query, result]) => ({ query, result }))\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { OperatorFunction, pipe } from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs/operators\"\n\nimport { WorkerHandler, setToggle } from \"browser\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchQueryMessage,\n SearchTransformFn\n} from \"integrations\"\n\nimport { watchSearchQuery } from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search query\n */\nexport interface SearchQuery {\n value: string /* Query value */\n focus: boolean /* Query focus */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n transform?: SearchTransformFn /* Transformation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search query from source observable\n *\n * @param handler - Worker handler\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountSearchQuery(\n { tx$ }: WorkerHandler, options: MountOptions = {}\n): OperatorFunction {\n return pipe(\n switchMap(el => {\n const query$ = watchSearchQuery(el, options)\n\n /* Subscribe worker to search query */\n query$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }): SearchQueryMessage => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Toggle search on focus */\n query$\n .pipe(\n distinctUntilKeyChanged(\"focus\")\n )\n .subscribe(({ focus }) => {\n if (focus)\n setToggle(\"search\", focus)\n })\n\n /* Return search query */\n return query$\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, combineLatest, fromEvent, merge } from \"rxjs\"\nimport {\n delay,\n distinctUntilChanged,\n map,\n startWith\n} from \"rxjs/operators\"\n\nimport { watchElementFocus } from \"browser\"\nimport { SearchTransformFn, defaultTransform } from \"integrations\"\n\nimport { SearchQuery } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n transform?: SearchTransformFn /* Transformation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @return Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { transform }: WatchOptions = {}\n): Observable {\n const fn = transform || defaultTransform\n\n /* Intercept keyboard events */\n const value$ = merge(\n fromEvent(el, \"keyup\"),\n fromEvent(el, \"focus\").pipe(delay(1))\n )\n .pipe(\n map(() => fn(el.value)),\n startWith(fn(el.value)),\n distinctUntilChanged()\n )\n\n /* Intercept focus events */\n const focus$ = watchElementFocus(el)\n\n /* Combine into a single observable */\n return combineLatest([value$, focus$])\n .pipe(\n map(([value, focus]) => ({ value, focus }))\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { OperatorFunction, pipe } from \"rxjs\"\nimport {\n mapTo,\n startWith,\n switchMap,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport { setElementFocus } from \"browser\"\n\nimport { useComponent } from \"../../../_\"\nimport { watchSearchReset } from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search reset from source observable\n *\n * @return Operator function\n */\nexport function mountSearchReset(): OperatorFunction {\n return pipe(\n switchMap(el => watchSearchReset(el)\n .pipe(\n switchMapTo(useComponent(\"search-query\")),\n tap(setElementFocus),\n mapTo(undefined)\n )\n ),\n startWith(undefined)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, fromEvent } from \"rxjs\"\nimport { mapTo } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search reset\n *\n * @param el - Search reset element\n *\n * @return Search reset observable\n */\nexport function watchSearchReset(\n el: HTMLElement\n): Observable {\n return fromEvent(el, \"click\")\n .pipe(\n mapTo(undefined)\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { translate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set number of search results\n *\n * @param el - Search result metadata element\n * @param value - Number of results\n */\nexport function setSearchResultMeta(\n el: HTMLElement, value: number\n): void {\n switch (value) {\n\n /* No results */\n case 0:\n el.textContent = translate(\"search.result.none\")\n break\n\n /* One result */\n case 1:\n el.textContent = translate(\"search.result.one\")\n break\n\n /* Multiple result */\n default:\n el.textContent = translate(\"search.result.other\", value.toString())\n }\n}\n\n/**\n * Reset number of search results\n *\n * @param el - Search result metadata element\n */\nexport function resetSearchResultMeta(\n el: HTMLElement\n): void {\n el.textContent = translate(\"search.result.placeholder\")\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Add an element to the search result list\n *\n * @param el - Search result list element\n * @param child - Search result element\n */\nexport function addToSearchResultList(\n el: HTMLElement, child: Element\n): void {\n el.appendChild(child)\n}\n\n/**\n * Reset search result list\n *\n * @param el - Search result list element\n */\nexport function resetSearchResultList(\n el: HTMLElement\n): void {\n el.innerHTML = \"\"\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport {\n finalize,\n map,\n mapTo,\n observeOn,\n scan,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { getElementOrThrow } from \"browser\"\nimport { SearchResult } from \"integrations/search\"\nimport { renderSearchResult } from \"templates\"\n\nimport { SearchQuery } from \"../../query\"\nimport {\n addToSearchResultList,\n resetSearchResultList,\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Apply options\n */\ninterface ApplyOptions {\n query$: Observable /* Search query observable */\n fetch$: Observable /* Result fetch observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Apply search results\n *\n * This function will perform a lazy rendering of the search results, depending\n * on the vertical offset of the search result container. When the scroll offset\n * reaches the bottom of the element, more results are fetched and rendered.\n *\n * @param el - Search result element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function applySearchResult(\n el: HTMLElement, { query$, fetch$ }: ApplyOptions\n): MonoTypeOperatorFunction {\n const list = getElementOrThrow(\".md-search-result__list\", el)\n const meta = getElementOrThrow(\".md-search-result__meta\", el)\n return pipe(\n\n /* Apply search result metadata */\n withLatestFrom(query$),\n map(([result, query]) => {\n if (query.value) {\n setSearchResultMeta(meta, result.length)\n } else {\n resetSearchResultMeta(meta)\n }\n return result\n }),\n\n /* Apply search result list */\n switchMap(result => fetch$\n .pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n scan(index => {\n const container = el.parentElement!\n while (index < result.length) {\n addToSearchResultList(list, renderSearchResult(result[index++]))\n if (container.scrollHeight - container.offsetHeight > 16)\n break\n }\n return index\n }, 0),\n\n /* Re-map to search result */\n mapTo(result),\n\n /* Reset on complete or error */\n finalize(() => {\n resetSearchResultList(list)\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n filter,\n map,\n pluck,\n switchMap\n} from \"rxjs/operators\"\n\nimport { WorkerHandler, watchElementOffset } from \"browser\"\nimport {\n SearchMessage,\n SearchResult,\n isSearchResultMessage\n} from \"integrations\"\n\nimport { SearchQuery } from \"../../query\"\nimport { applySearchResult } from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n query$: Observable /* Search query observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount search result from source observable\n *\n * @param handler - Worker handler\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountSearchResult(\n { rx$ }: WorkerHandler, { query$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => {\n const container = el.parentElement!\n\n /* Compute whether there are more search results to fetch */\n const fetch$ = watchElementOffset(container)\n .pipe(\n map(({ y }) => {\n return y >= container.scrollHeight - container.offsetHeight - 16\n }),\n distinctUntilChanged(),\n filter(identity)\n )\n\n /* Apply search results */\n return rx$\n .pipe(\n filter(isSearchResultMessage),\n pluck(\"data\"),\n applySearchResult(el, { query$, fetch$ })\n )\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n filter,\n map,\n shareReplay,\n startWith,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n Viewport,\n getElement,\n watchViewportAt\n} from \"browser\"\n\nimport { useComponent } from \"../../_\"\nimport {\n applyHeaderType,\n watchHeader\n} from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header type\n */\nexport type HeaderType =\n | \"site\" /* Header shows site title */\n | \"page\" /* Header shows page title */\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n type: HeaderType /* Header type */\n sticky: boolean /* Header stickyness */\n height: number /* Header visible height */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount header from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHeader(\n { document$, viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => {\n const header$ = watchHeader(el, { document$ })\n\n /* Compute whether the header should switch to page header */\n const type$ = useComponent(\"main\")\n .pipe(\n map(main => getElement(\"h1, h2, h3, h4, h5, h6\", main)!),\n filter(hx => typeof hx !== \"undefined\"),\n withLatestFrom(useComponent(\"header-title\")),\n switchMap(([hx, title]) => watchViewportAt(hx, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => {\n return y >= hx.offsetHeight ? \"page\" : \"site\"\n }),\n distinctUntilChanged(),\n applyHeaderType(title)\n )\n ),\n startWith(\"site\")\n )\n\n /* Combine into single observable */\n return combineLatest([header$, type$])\n .pipe(\n map(([header, type]): Header => ({ type, ...header })),\n shareReplay(1)\n )\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n of,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { watchElementSize } from \"browser\"\n\nimport { Header, HeaderType } from \"../_\"\nimport {\n resetHeaderTitleActive,\n setHeaderTitleActive\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * @param el - Header element\n *\n * @return Header observable\n */\nexport function watchHeader(\n el: HTMLElement, { document$ }: WatchOptions\n): Observable> {\n return document$\n .pipe(\n map(() => {\n const styles = getComputedStyle(el)\n return [\n \"sticky\", /* Modern browsers */\n \"-webkit-sticky\" /* Safari */\n ].includes(styles.position)\n }),\n distinctUntilChanged(),\n switchMap(sticky => {\n if (sticky) {\n return watchElementSize(el)\n .pipe(\n map(({ height }) => ({\n sticky: true,\n height\n }))\n )\n } else {\n return of({\n sticky: false,\n height: 0\n })\n }\n }),\n shareReplay(1)\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Apply header title type\n *\n * @param el - Header title element\n *\n * @return Operator function\n */\nexport function applyHeaderType(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(type => {\n setHeaderTitleActive(el, type === \"page\")\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderTitleActive(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header title active\n *\n * @param el - Header title element\n * @param value - Whether the title is shown\n */\nexport function setHeaderTitleActive(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"active\" : \"\")\n}\n\n/**\n * Reset header title active\n *\n * @param el - Header title element\n */\nexport function resetHeaderTitleActive(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchViewportAt } from \"browser\"\n\nimport { Header } from \"../../header\"\nimport { applyHero } from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Hero\n */\nexport interface Hero {\n hidden: boolean /* Whether the hero is hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount hero from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHero(\n { header$, viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => watchViewportAt(el, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => ({ hidden: y >= 20 })),\n distinctUntilKeyChanged(\"hidden\"),\n applyHero(el)\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\n\nimport { Hero } from \"../_\"\nimport {\n resetHeroHidden,\n setHeroHidden\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Apply hero\n *\n * @param el - Hero element\n *\n * @return Operator function\n */\nexport function applyHero(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ hidden }) => {\n setHeroHidden(el, hidden)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeroHidden(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set hero hidden\n *\n * @param el - Hero element\n * @param value - Whether the element is hidden\n */\nexport function setHeroHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset hero hidden\n *\n * @param el - Hero element\n */\nexport function resetHeroHidden(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, Subject, pipe } from \"rxjs\"\nimport { distinctUntilKeyChanged, switchMap, tap } from \"rxjs/operators\"\n\nimport { Viewport } from \"browser\"\n\nimport { useComponent } from \"../../_\"\nimport { Header } from \"../../header\"\nimport {\n applyHeaderShadow,\n watchMain\n} from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Main area\n */\nexport interface Main {\n offset: number /* Main area top offset */\n height: number /* Main area visible height */\n active: boolean /* Scrolled past top offset */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount main area from source observable\n *\n * The header must be connected to the main area observable outside of the\n * operator function, as the header will persist in-between document switches\n * while the main area is replaced. However, the header observable must be\n * passed to this function, so we connect both via a long-living subject.\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountMain(\n { header$, viewport$ }: MountOptions\n): OperatorFunction {\n const main$ = new Subject
    ()\n\n /* Connect to main area observable via long-living subject */\n useComponent(\"header\")\n .pipe(\n switchMap(header => main$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n applyHeaderShadow(header)\n )\n )\n )\n .subscribe()\n\n /* Return operator */\n return pipe(\n switchMap(el => watchMain(el, { header$, viewport$ })),\n tap(main => main$.next(main))\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n Observable,\n animationFrameScheduler,\n combineLatest,\n pipe\n} from \"rxjs\"\nimport {\n distinctUntilChanged,\n distinctUntilKeyChanged,\n finalize,\n map,\n observeOn,\n pluck,\n shareReplay,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchElementSize } from \"browser\"\n\nimport { Header } from \"../../header\"\nimport { Main } from \"../_\"\nimport {\n resetHeaderShadow,\n setHeaderShadow\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch main area\n *\n * This function returns an observable that computes the visual parameters of\n * the main area which depends on the viewport vertical offset and height, as\n * well as the height of the header element, if the header is fixed.\n *\n * @param el - Main area element\n * @param options - Options\n *\n * @return Main area observable\n */\nexport function watchMain(\n el: HTMLElement, { header$, viewport$ }: WatchOptions\n): Observable
    {\n\n /* Compute necessary adjustment for header */\n const adjust$ = header$\n .pipe(\n pluck(\"height\"),\n distinctUntilChanged(),\n shareReplay(1)\n )\n\n /* Compute the main area's top and bottom borders */\n const border$ = adjust$\n .pipe(\n switchMap(() => watchElementSize(el)\n .pipe(\n map(({ height }) => ({\n top: el.offsetTop,\n bottom: el.offsetTop + height\n }))\n )\n ),\n distinctUntilKeyChanged(\"bottom\"),\n shareReplay(1)\n )\n\n /* Compute the main area's offset, visible height and if we scrolled past */\n return combineLatest([adjust$, border$, viewport$])\n .pipe(\n map(([header, { top, bottom }, { offset: { y }, size: { height } }]) => {\n height = Math.max(0, height\n - Math.max(0, top - y, header)\n - Math.max(0, height + y - bottom)\n )\n return {\n offset: top - header,\n height,\n active: top - header <= y\n }\n }),\n distinctUntilChanged
    ((a, b) => {\n return a.offset === b.offset\n && a.height === b.height\n && a.active === b.active\n })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Apply header shadow\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function applyHeaderShadow(\n el: HTMLElement\n): MonoTypeOperatorFunction
    {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ active }) => {\n setHeaderShadow(el, active)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderShadow(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set header shadow\n *\n * @param el - Header element\n * @param value - Whether the shadow is shown\n */\nexport function setHeaderShadow(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"shadow\" : \"\")\n}\n\n/**\n * Reset header shadow\n *\n * @param el - Header element\n */\nexport function resetHeaderShadow(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, of, pipe } from \"rxjs\"\nimport {\n distinctUntilKeyChanged,\n map,\n switchMap\n} from \"rxjs/operators\"\n\nimport { Viewport, watchViewportAt } from \"browser\"\n\nimport { Header } from \"../../header\"\nimport { applyTabs } from \"../react\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabs\n */\nexport interface Tabs {\n hidden: boolean /* Whether the tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n screen$: Observable /* Media screen observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount tabs from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountTabs(\n { header$, viewport$, screen$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => screen$\n .pipe(\n switchMap(screen => {\n\n /* [screen +]: Mount tabs above screen breakpoint */\n if (screen) {\n return watchViewportAt(el, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => ({ hidden: y >= 10 })),\n distinctUntilKeyChanged(\"hidden\"),\n applyTabs(el)\n )\n\n /* [screen -]: Unmount tabs below screen breakpoint */\n } else {\n return of({ hidden: true })\n }\n })\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n MonoTypeOperatorFunction,\n animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\n\nimport { Tabs } from \"../_\"\nimport {\n resetTabsHidden,\n setTabsHidden\n} from \"../set\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Apply tabs\n *\n * @param el - Tabs element\n *\n * @return Operator function\n */\nexport function applyTabs(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(({ hidden }) => {\n setTabsHidden(el, hidden)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetTabsHidden(el)\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set tabs hidden\n *\n * @param el - Tabs element\n * @param value - Whether the element is hidden\n */\nexport function setTabsHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset tabs hidden\n *\n * @param el - Tabs element\n */\nexport function resetTabsHidden(\n el: HTMLElement\n): void {\n el.removeAttribute(\"data-md-state\")\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, fromEvent, iif, merge } from \"rxjs\"\nimport { map, mapTo, shareReplay, switchMap } from \"rxjs/operators\"\n\nimport { getElements } from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Check whether the given device is an Apple device\n *\n * @return Test result\n */\nfunction isAppleDevice(): boolean {\n return /(iPad|iPhone|iPod)/.test(navigator.userAgent)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: PatchOptions\n): void {\n const els$ = document$\n .pipe(\n map(() => getElements(\"[data-md-scrollfix]\")),\n shareReplay(1)\n )\n\n /* Remove marker attribute, so we'll only add the fix once */\n els$.subscribe(els => {\n for (const el of els)\n el.removeAttribute(\"data-md-scrollfix\")\n })\n\n /* Patch overflow scrolling on touch start */\n iif(isAppleDevice, els$, NEVER)\n .pipe(\n switchMap(els => merge(...els.map(el => (\n fromEvent(el, \"touchstart\", { passive: true })\n .pipe(\n mapTo(el)\n )\n ))))\n )\n .subscribe(el => {\n const top = el.scrollTop\n\n /* We're at the top of the container */\n if (top === 0) {\n el.scrollTop = 1\n\n /* We're at the bottom of the container */\n } else if (top + el.offsetHeight === el.scrollHeight) {\n el.scrollTop = top - 1\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable } from \"rxjs\"\nimport { catchError, map, switchMap } from \"rxjs/operators\"\n\nimport { getElementOrThrow, getElements } from \"browser\"\nimport { renderSource } from \"templates\"\nimport { cache, hash } from \"utilities\"\n\nimport { fetchSourceFactsFromGitHub } from \"./github\"\nimport { fetchSourceFactsFromGitLab } from \"./gitlab\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Source facts\n */\nexport type SourceFacts = string[]\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch source facts\n *\n * @param url - Source repository URL\n *\n * @return Source facts observable\n */\nfunction fetchSourceFacts(\n url: string\n): Observable {\n const [type] = url.match(/(git(?:hub|lab))/i) || []\n switch (type.toLowerCase()) {\n\n /* GitHub repository */\n case \"github\":\n const [, user, repo] = url.match(/^.+github\\.com\\/([^\\/]+)\\/?([^\\/]+)/i)\n return fetchSourceFactsFromGitHub(user, repo)\n\n /* GitLab repository */\n case \"gitlab\":\n const [, base, project] = url.match(/^.+?([^\\/]*gitlab[^\\/]+)\\/(.+)/i)\n return fetchSourceFactsFromGitLab(base, project)\n\n /* Everything else */\n default:\n return NEVER\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch elements containing repository information\n *\n * This function will retrieve the URL from the repository link and try to\n * query data from integrated source code platforms like GitHub or GitLab.\n *\n * @param options - Options\n */\nexport function patchSource(\n { document$ }: PatchOptions\n): void {\n document$\n .pipe(\n map(() => getElementOrThrow(\".md-source[href]\")),\n switchMap(({ href }) => (\n cache(`${hash(href)}`, () => fetchSourceFacts(href))\n )),\n catchError(() => NEVER)\n )\n .subscribe(facts => {\n for (const el of getElements(\".md-source__repository\")) {\n if (!el.hasAttribute(\"data-md-state\")) {\n el.setAttribute(\"data-md-state\", \"done\")\n el.appendChild(renderSource(facts))\n }\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Repo, User } from \"github-types\"\nimport { Observable, of } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport { filter, pluck, switchMap } from \"rxjs/operators\"\n\nimport { round } from \"utilities\"\n\nimport { SourceFacts } from \"..\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitHub source facts\n *\n * @param user - GitHub user\n * @param repo - GitHub repository\n *\n * @return Source facts observable\n */\nexport function fetchSourceFactsFromGitHub(\n user: string, repo?: string\n): Observable {\n return ajax({\n url: typeof repo !== \"undefined\"\n ? `https://api.github.com/repos/${user}/${repo}`\n : `https://api.github.com/users/${user}`,\n responseType: \"json\"\n })\n .pipe(\n filter(({ status }) => status === 200),\n pluck(\"response\"),\n switchMap(data => {\n\n /* GitHub repository */\n if (typeof repo !== \"undefined\") {\n const { stargazers_count, forks_count }: Repo = data\n return of([\n `${round(stargazers_count || 0)} Stars`,\n `${round(forks_count || 0)} Forks`\n ])\n\n /* GitHub user/organization */\n } else {\n const { public_repos }: User = data\n return of([\n `${round(public_repos || 0)} Repositories`\n ])\n }\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { ProjectSchema } from \"gitlab\"\nimport { Observable } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport { filter, map, pluck } from \"rxjs/operators\"\n\nimport { round } from \"utilities\"\n\nimport { SourceFacts } from \"..\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch GitLab source facts\n *\n * @param base - GitLab base\n * @param project - GitLab project\n *\n * @return Source facts observable\n */\nexport function fetchSourceFactsFromGitLab(\n base: string, project: string\n): Observable {\n return ajax({\n url: `https://${base}/api/v4/projects/${encodeURIComponent(project)}`,\n responseType: \"json\"\n })\n .pipe(\n filter(({ status }) => status === 200),\n pluck(\"response\"),\n map(({ star_count, forks_count }: ProjectSchema) => ([\n `${round(star_count)} Stars`,\n `${round(forks_count)} Forks`\n ]))\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\n// DISCLAIMER: this file is still WIP. There're some refactoring opportunities\n// which must be tackled after we gathered some feedback on v5.\n// tslint:disable\n\nimport \"../stylesheets/main.scss\"\nimport \"../stylesheets/palette.scss\"\n\nimport { values } from \"ramda\"\nimport {\n merge,\n combineLatest,\n animationFrameScheduler,\n fromEvent,\n from\n} from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n delay,\n switchMap,\n tap,\n filter,\n withLatestFrom,\n observeOn,\n take,\n shareReplay,\n pluck\n} from \"rxjs/operators\"\n\nimport {\n watchToggle,\n setToggle,\n getElements,\n watchMedia,\n watchDocument,\n watchLocation,\n watchLocationHash,\n watchViewport,\n isLocalLocation,\n setLocationHash,\n watchLocationBase\n} from \"browser\"\nimport {\n mountHeader,\n mountHero,\n mountMain,\n mountNavigation,\n mountSearch,\n mountTableOfContents,\n mountTabs,\n useComponent,\n setupComponents,\n mountSearchQuery,\n mountSearchReset,\n mountSearchResult\n} from \"components\"\nimport {\n setupClipboard,\n setupDialog,\n setupKeyboard,\n setupInstantLoading,\n setupSearchWorker,\n SearchIndex\n} from \"integrations\"\nimport {\n patchTables,\n patchDetails,\n patchScrollfix,\n patchSource,\n patchScripts\n} from \"patches\"\nimport { isConfig } from \"utilities\"\n\n/* ------------------------------------------------------------------------- */\n\n/* Denote that JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Test for iOS */\nif (navigator.userAgent.match(/(iPad|iPhone|iPod)/g))\n document.documentElement.classList.add(\"ios\")\n\n/**\n * Set scroll lock\n *\n * @param el - Scrollable element\n * @param value - Vertical offset\n */\nexport function setScrollLock(\n el: HTMLElement, value: number\n): void {\n el.setAttribute(\"data-md-state\", \"lock\")\n el.style.top = `-${value}px`\n}\n\n/**\n * Reset scroll lock\n *\n * @param el - Scrollable element\n */\nexport function resetScrollLock(\n el: HTMLElement\n): void {\n const value = -1 * parseInt(el.style.top, 10)\n el.removeAttribute(\"data-md-state\")\n el.style.top = \"\"\n if (value)\n window.scrollTo(0, value)\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Initialize Material for MkDocs\n *\n * @param config - Configuration\n */\nexport function initialize(config: unknown) {\n if (!isConfig(config))\n throw new SyntaxError(`Invalid configuration: ${JSON.stringify(config)}`)\n\n /* Set up subjects */\n const document$ = watchDocument()\n const location$ = watchLocation()\n\n /* Set up user interface observables */\n const base$ = watchLocationBase(config.base, { location$ })\n const hash$ = watchLocationHash()\n const viewport$ = watchViewport()\n const tablet$ = watchMedia(\"(min-width: 960px)\")\n const screen$ = watchMedia(\"(min-width: 1220px)\")\n\n /* ----------------------------------------------------------------------- */\n\n /* Set up component bindings */\n setupComponents([\n \"announce\", /* Announcement bar */\n \"container\", /* Container */\n \"header\", /* Header */\n \"header-title\", /* Header title */\n \"hero\", /* Hero */\n \"main\", /* Main area */\n \"navigation\", /* Navigation */\n \"search\", /* Search */\n \"search-query\", /* Search input */\n \"search-reset\", /* Search reset */\n \"search-result\", /* Search results */\n \"skip\", /* Skip link */\n \"tabs\", /* Tabs */\n \"toc\" /* Table of contents */\n ], { document$ })\n\n const keyboard$ = setupKeyboard()\n\n patchDetails({ document$, hash$ })\n patchScripts({ document$ })\n patchSource({ document$ })\n patchTables({ document$ })\n\n /* Force 1px scroll offset to trigger overflow scrolling */\n patchScrollfix({ document$ })\n\n /* Set up clipboard and dialog */\n const dialog$ = setupDialog()\n const clipboard$ = setupClipboard({ document$, dialog$ })\n\n /* ----------------------------------------------------------------------- */\n\n /* Create header observable */\n const header$ = useComponent(\"header\")\n .pipe(\n mountHeader({ document$, viewport$ }),\n shareReplay(1)\n )\n\n const main$ = useComponent(\"main\")\n .pipe(\n mountMain({ header$, viewport$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n const navigation$ = useComponent(\"navigation\")\n .pipe(\n mountNavigation({ header$, main$, viewport$, screen$ }),\n shareReplay(1) // shareReplay because there might be late subscribers\n )\n\n const toc$ = useComponent(\"toc\")\n .pipe(\n mountTableOfContents({ header$, main$, viewport$, tablet$ }),\n shareReplay(1)\n )\n\n const tabs$ = useComponent(\"tabs\")\n .pipe(\n mountTabs({ header$, viewport$, screen$ }),\n shareReplay(1)\n )\n\n const hero$ = useComponent(\"hero\")\n .pipe(\n mountHero({ header$, viewport$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n // External index\n const index = config.search && config.search.index\n ? config.search.index\n : undefined\n\n /* Fetch index if it wasn't passed explicitly */\n const index$ = typeof index !== \"undefined\"\n ? from(index)\n : base$\n .pipe(\n switchMap(base => ajax({\n url: `${base}/search/search_index.json`,\n responseType: \"json\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\")\n )\n )\n )\n\n const worker = setupSearchWorker(config.search.worker, {\n base$, index$\n })\n\n /* ----------------------------------------------------------------------- */\n\n /* Mount search query */\n const query$ = useComponent(\"search-query\")\n .pipe(\n mountSearchQuery(worker, { transform: config.search.transform }),\n shareReplay(1)\n )\n\n /* Mount search reset */\n const reset$ = useComponent(\"search-reset\")\n .pipe(\n mountSearchReset(),\n shareReplay(1)\n )\n\n /* Mount search result */\n const result$ = useComponent(\"search-result\")\n .pipe(\n mountSearchResult(worker, { query$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n const search$ = useComponent(\"search\")\n .pipe(\n mountSearch({ query$, reset$, result$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n // // put into search...\n hash$\n .pipe(\n tap(() => setToggle(\"search\", false)),\n delay(125), // ensure that it runs after the body scroll reset...\n )\n .subscribe(hash => setLocationHash(`#${hash}`))\n\n // TODO: scroll restoration must be centralized\n combineLatest([\n watchToggle(\"search\"),\n tablet$,\n ])\n .pipe(\n withLatestFrom(viewport$),\n switchMap(([[toggle, tablet], { offset: { y }}]) => {\n const active = toggle && !tablet\n return document$\n .pipe(\n delay(active ? 400 : 100),\n observeOn(animationFrameScheduler),\n tap(({ body }) => active\n ? setScrollLock(body, y)\n : resetScrollLock(body)\n )\n )\n })\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n /* Always close drawer on click */\n fromEvent(document.body, \"click\")\n .pipe(\n filter(ev => !(ev.metaKey || ev.ctrlKey)),\n filter(ev => {\n if (ev.target instanceof HTMLElement) {\n const el = ev.target.closest(\"a\") // TODO: abstract as link click?\n if (el && isLocalLocation(el)) {\n return true\n }\n }\n return false\n })\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n })\n\n /* Enable instant loading, if not on file:// protocol */\n if (config.features.includes(\"instant\") && location.protocol !== \"file:\")\n setupInstantLoading({ document$, location$, viewport$ })\n\n /* ----------------------------------------------------------------------- */\n\n /* Unhide permalinks on first tab */\n keyboard$\n .pipe(\n filter(key => key.mode === \"global\" && key.type === \"Tab\"),\n take(1)\n )\n .subscribe(() => {\n for (const link of getElements(\".headerlink\"))\n link.style.visibility = \"visible\"\n })\n\n /* ----------------------------------------------------------------------- */\n\n const state = {\n\n /* Browser observables */\n document$,\n location$,\n viewport$,\n\n /* Component observables */\n header$,\n hero$,\n main$,\n navigation$,\n search$,\n tabs$,\n toc$,\n\n /* Integration observables */\n clipboard$,\n keyboard$,\n dialog$\n }\n\n /* Subscribe to all observables */\n merge(...values(state))\n .subscribe()\n return state\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n filter,\n map,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport {\n getElement,\n getElements,\n watchMedia\n} from \"browser\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n hash$: Observable /* Location hash observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all `details` elements\n *\n * This function will ensure that all `details` tags are opened prior to\n * printing, so the whole content of the page is included, and on anchor jumps.\n *\n * @param options - Options\n */\nexport function patchDetails(\n { document$, hash$ }: PatchOptions\n): void {\n const els$ = document$\n .pipe(\n map(() => getElements(\"details\"))\n )\n\n /* Open all details before printing */\n merge(\n watchMedia(\"print\").pipe(filter(identity)), /* Webkit */\n fromEvent(window, \"beforeprint\") /* IE, FF */\n )\n .pipe(\n switchMapTo(els$)\n )\n .subscribe(els => {\n for (const el of els)\n el.setAttribute(\"open\", \"\")\n })\n\n /* Open parent details and fix anchor jump */\n hash$\n .pipe(\n map(id => getElement(`[id=\"${id}\"]`)!),\n filter(el => typeof el !== \"undefined\"),\n tap(el => {\n const details = el.closest(\"details\")\n if (details && !details.open)\n details.setAttribute(\"open\", \"\")\n })\n )\n .subscribe(el => el.scrollIntoView())\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable } from \"rxjs\"\nimport { map, skip, withLatestFrom } from \"rxjs/operators\"\n\nimport {\n createElement,\n getElements,\n replaceElement\n} from \"browser\"\nimport { useComponent } from \"components\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch options\n */\ninterface PatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all `script` elements\n *\n * This function must be run after a document switch, which means the first\n * emission must be ignored.\n *\n * @param options - Options\n */\nexport function patchScripts(\n { document$ }: PatchOptions\n): void {\n const els$ = document$\n .pipe(\n skip(1),\n withLatestFrom(useComponent(\"container\")),\n map(([, el]) => getElements(\"script\", el))\n )\n\n /* Evaluate all scripts via replacement */\n els$.subscribe(els => {\n for (const el of els) {\n if (el.src || /(^|\\/javascript)$/i.test(el.type)) {\n const script = createElement(\"script\")\n const key = el.src ? \"src\" : \"textContent\"\n script[key] = el[key]!\n replaceElement(el, script)\n }\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable } from \"rxjs\"\nimport { map } from \"rxjs/operators\"\n\nimport {\n createElement,\n getElements,\n replaceElement\n} from \"browser\"\nimport { renderTable } from \"templates\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all `table` elements\n *\n * This function will re-render all tables by wrapping them to improve overflow\n * scrolling on smaller screen sizes.\n *\n * @param options - Options\n */\nexport function patchTables(\n { document$ }: MountOptions\n): void {\n const sentinel = createElement(\"table\")\n document$\n .pipe(\n map(() => getElements(\"table:not([class])\"))\n )\n .subscribe(els => {\n for (const el of els) {\n replaceElement(el, sentinel)\n replaceElement(sentinel, renderTable(el))\n }\n })\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/javascripts/vendor.5b460a48.min.js.map b/material/assets/javascripts/vendor.5b460a48.min.js.map deleted file mode 100644 index 881174253..000000000 --- a/material/assets/javascripts/vendor.5b460a48.min.js.map +++ /dev/null @@ -1 +0,0 @@ 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*****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","import { __extends } from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { empty as emptyObserver } from './Observer';\nimport { Subscription } from './Subscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nvar Subscriber = (function (_super) {\n __extends(Subscriber, _super);\n function Subscriber(destinationOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this.syncErrorValue = null;\n _this.syncErrorThrown = false;\n _this.syncErrorThrowable = false;\n _this.isStopped = false;\n switch (arguments.length) {\n case 0:\n _this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n _this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n if (destinationOrNext instanceof Subscriber) {\n _this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;\n _this.destination = destinationOrNext;\n destinationOrNext.add(_this);\n }\n else {\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext);\n }\n break;\n }\n default:\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext, error, complete);\n break;\n }\n return _this;\n }\n Subscriber.prototype[rxSubscriberSymbol] = function () { return this; };\n Subscriber.create = function (next, error, complete) {\n var subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n };\n Subscriber.prototype.next = function (value) {\n if (!this.isStopped) {\n this._next(value);\n }\n };\n Subscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n this.isStopped = true;\n this._error(err);\n }\n };\n Subscriber.prototype.complete = function () {\n if (!this.isStopped) {\n this.isStopped = true;\n this._complete();\n }\n };\n Subscriber.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.isStopped = true;\n _super.prototype.unsubscribe.call(this);\n };\n Subscriber.prototype._next = function (value) {\n this.destination.next(value);\n };\n Subscriber.prototype._error = function (err) {\n this.destination.error(err);\n this.unsubscribe();\n };\n Subscriber.prototype._complete = function () {\n this.destination.complete();\n this.unsubscribe();\n };\n Subscriber.prototype._unsubscribeAndRecycle = function () {\n var _parentOrParents = this._parentOrParents;\n this._parentOrParents = null;\n this.unsubscribe();\n this.closed = false;\n this.isStopped = false;\n this._parentOrParents = _parentOrParents;\n return this;\n };\n return Subscriber;\n}(Subscription));\nexport { Subscriber };\nvar SafeSubscriber = (function (_super) {\n __extends(SafeSubscriber, _super);\n function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this._parentSubscriber = _parentSubscriber;\n var next;\n var context = _this;\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n }\n else if (observerOrNext) {\n next = observerOrNext.next;\n error = observerOrNext.error;\n complete = observerOrNext.complete;\n if (observerOrNext !== emptyObserver) {\n context = Object.create(observerOrNext);\n if (isFunction(context.unsubscribe)) {\n _this.add(context.unsubscribe.bind(context));\n }\n context.unsubscribe = _this.unsubscribe.bind(_this);\n }\n }\n _this._context = context;\n _this._next = next;\n _this._error = error;\n _this._complete = complete;\n return _this;\n }\n SafeSubscriber.prototype.next = function (value) {\n if (!this.isStopped && this._next) {\n var _parentSubscriber = this._parentSubscriber;\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._next, value);\n }\n else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n var useDeprecatedSynchronousErrorHandling = config.useDeprecatedSynchronousErrorHandling;\n if (this._error) {\n if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._error, err);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, this._error, err);\n this.unsubscribe();\n }\n }\n else if (!_parentSubscriber.syncErrorThrowable) {\n this.unsubscribe();\n if (useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n hostReportError(err);\n }\n else {\n if (useDeprecatedSynchronousErrorHandling) {\n _parentSubscriber.syncErrorValue = err;\n _parentSubscriber.syncErrorThrown = true;\n }\n else {\n hostReportError(err);\n }\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.complete = function () {\n var _this = this;\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n if (this._complete) {\n var wrappedComplete = function () { return _this._complete.call(_this._context); };\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(wrappedComplete);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, wrappedComplete);\n this.unsubscribe();\n }\n }\n else {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n this.unsubscribe();\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n }\n };\n SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {\n if (!config.useDeprecatedSynchronousErrorHandling) {\n throw new Error('bad call');\n }\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n parent.syncErrorValue = err;\n parent.syncErrorThrown = true;\n return true;\n }\n else {\n hostReportError(err);\n return true;\n }\n }\n return false;\n };\n SafeSubscriber.prototype._unsubscribe = function () {\n var _parentSubscriber = this._parentSubscriber;\n this._context = null;\n this._parentSubscriber = null;\n _parentSubscriber.unsubscribe();\n };\n return SafeSubscriber;\n}(Subscriber));\nexport { SafeSubscriber };\n//# sourceMappingURL=Subscriber.js.map","import { canReportError } from './util/canReportError';\nimport { toSubscriber } from './util/toSubscriber';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nvar Observable = (function () {\n function Observable(subscribe) {\n this._isScalar = false;\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n Observable.prototype.lift = function (operator) {\n var observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n };\n Observable.prototype.subscribe = function (observerOrNext, error, complete) {\n var operator = this.operator;\n var sink = toSubscriber(observerOrNext, error, complete);\n if (operator) {\n sink.add(operator.call(sink, this.source));\n }\n else {\n sink.add(this.source || (config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?\n this._subscribe(sink) :\n this._trySubscribe(sink));\n }\n if (config.useDeprecatedSynchronousErrorHandling) {\n if (sink.syncErrorThrowable) {\n sink.syncErrorThrowable = false;\n if (sink.syncErrorThrown) {\n throw sink.syncErrorValue;\n }\n }\n }\n return sink;\n };\n Observable.prototype._trySubscribe = function (sink) {\n try {\n return this._subscribe(sink);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n sink.syncErrorThrown = true;\n sink.syncErrorValue = err;\n }\n if (canReportError(sink)) {\n sink.error(err);\n }\n else {\n console.warn(err);\n }\n }\n };\n Observable.prototype.forEach = function (next, promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var subscription;\n subscription = _this.subscribe(function (value) {\n try {\n next(value);\n }\n catch (err) {\n reject(err);\n if (subscription) {\n subscription.unsubscribe();\n }\n }\n }, reject, resolve);\n });\n };\n Observable.prototype._subscribe = function (subscriber) {\n var source = this.source;\n return source && source.subscribe(subscriber);\n };\n Observable.prototype[Symbol_observable] = function () {\n return this;\n };\n Observable.prototype.pipe = function () {\n var operations = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n operations[_i] = arguments[_i];\n }\n if (operations.length === 0) {\n return this;\n }\n return pipeFromArray(operations)(this);\n };\n Observable.prototype.toPromise = function (promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var value;\n _this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); });\n });\n };\n Observable.create = function (subscribe) {\n return new Observable(subscribe);\n };\n return Observable;\n}());\nexport { Observable };\nfunction getPromiseCtor(promiseCtor) {\n if (!promiseCtor) {\n promiseCtor = config.Promise || Promise;\n }\n if (!promiseCtor) {\n throw new Error('no Promise impl found');\n }\n return promiseCtor;\n}\n//# sourceMappingURL=Observable.js.map","import { Subscriber } from '../Subscriber';\nimport { rxSubscriber as rxSubscriberSymbol } from '../symbol/rxSubscriber';\nimport { empty as emptyObserver } from '../Observer';\nexport function toSubscriber(nextOrObserver, error, complete) {\n if (nextOrObserver) {\n if (nextOrObserver instanceof Subscriber) {\n return nextOrObserver;\n }\n if (nextOrObserver[rxSubscriberSymbol]) {\n return nextOrObserver[rxSubscriberSymbol]();\n }\n }\n if (!nextOrObserver && !error && !complete) {\n return new Subscriber(emptyObserver);\n }\n return new Subscriber(nextOrObserver, error, complete);\n}\n//# sourceMappingURL=toSubscriber.js.map","import { Subscriber } from '../Subscriber';\nexport function canReportError(observer) {\n while (observer) {\n var _a = observer, closed_1 = _a.closed, destination = _a.destination, isStopped = _a.isStopped;\n if (closed_1 || isStopped) {\n return false;\n }\n else if (destination && destination instanceof Subscriber) {\n observer = destination;\n }\n else {\n observer = null;\n }\n }\n return true;\n}\n//# sourceMappingURL=canReportError.js.map","var UnsubscriptionErrorImpl = (function () {\n function UnsubscriptionErrorImpl(errors) {\n Error.call(this);\n this.message = errors ?\n errors.length + \" errors occurred during unsubscription:\\n\" + errors.map(function (err, i) { return i + 1 + \") \" + err.toString(); }).join('\\n ') : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n return this;\n }\n UnsubscriptionErrorImpl.prototype = Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map","import { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = (function () {\n function Subscription(unsubscribe) {\n this.closed = false;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (unsubscribe) {\n this._unsubscribe = unsubscribe;\n }\n }\n Subscription.prototype.unsubscribe = function () {\n var errors;\n if (this.closed) {\n return;\n }\n var _a = this, _parentOrParents = _a._parentOrParents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;\n this.closed = true;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (_parentOrParents instanceof Subscription) {\n _parentOrParents.remove(this);\n }\n else if (_parentOrParents !== null) {\n for (var index = 0; index < _parentOrParents.length; ++index) {\n var parent_1 = _parentOrParents[index];\n parent_1.remove(this);\n }\n }\n if (isFunction(_unsubscribe)) {\n try {\n _unsubscribe.call(this);\n }\n catch (e) {\n errors = e instanceof UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];\n }\n }\n if (isArray(_subscriptions)) {\n var index = -1;\n var len = _subscriptions.length;\n while (++index < len) {\n var sub = _subscriptions[index];\n if (isObject(sub)) {\n try {\n sub.unsubscribe();\n }\n catch (e) {\n errors = errors || [];\n if (e instanceof UnsubscriptionError) {\n errors = errors.concat(flattenUnsubscriptionErrors(e.errors));\n }\n else {\n errors.push(e);\n }\n }\n }\n }\n }\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n };\n Subscription.prototype.add = function (teardown) {\n var subscription = teardown;\n if (!teardown) {\n return Subscription.EMPTY;\n }\n switch (typeof teardown) {\n case 'function':\n subscription = new Subscription(teardown);\n case 'object':\n if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {\n return subscription;\n }\n else if (this.closed) {\n subscription.unsubscribe();\n return subscription;\n }\n else if (!(subscription instanceof Subscription)) {\n var tmp = subscription;\n subscription = new Subscription();\n subscription._subscriptions = [tmp];\n }\n break;\n default: {\n throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');\n }\n }\n var _parentOrParents = subscription._parentOrParents;\n if (_parentOrParents === null) {\n subscription._parentOrParents = this;\n }\n else if (_parentOrParents instanceof Subscription) {\n if (_parentOrParents === this) {\n return subscription;\n }\n subscription._parentOrParents = [_parentOrParents, this];\n }\n else if (_parentOrParents.indexOf(this) === -1) {\n _parentOrParents.push(this);\n }\n else {\n return subscription;\n }\n var subscriptions = this._subscriptions;\n if (subscriptions === null) {\n this._subscriptions = [subscription];\n }\n else {\n subscriptions.push(subscription);\n }\n return subscription;\n };\n Subscription.prototype.remove = function (subscription) {\n var subscriptions = this._subscriptions;\n if (subscriptions) {\n var subscriptionIndex = subscriptions.indexOf(subscription);\n if (subscriptionIndex !== -1) {\n subscriptions.splice(subscriptionIndex, 1);\n }\n }\n };\n Subscription.EMPTY = (function (empty) {\n empty.closed = true;\n return empty;\n }(new Subscription()));\n return Subscription;\n}());\nexport { Subscription };\nfunction flattenUnsubscriptionErrors(errors) {\n return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError) ? err.errors : err); }, []);\n}\n//# sourceMappingURL=Subscription.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function map(project, thisArg) {\n return function mapOperation(source) {\n if (typeof project !== 'function') {\n throw new TypeError('argument is not a function. Are you looking for `mapTo()`?');\n }\n return source.lift(new MapOperator(project, thisArg));\n };\n}\nvar MapOperator = (function () {\n function MapOperator(project, thisArg) {\n this.project = project;\n this.thisArg = thisArg;\n }\n MapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));\n };\n return MapOperator;\n}());\nexport { MapOperator };\nvar MapSubscriber = (function (_super) {\n __extends(MapSubscriber, _super);\n function MapSubscriber(destination, project, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.count = 0;\n _this.thisArg = thisArg || _this;\n return _this;\n }\n MapSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.project.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return MapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=map.js.map","import { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, innerSubscriber) {\n if (innerSubscriber === void 0) { innerSubscriber = new InnerSubscriber(outerSubscriber, outerValue, outerIndex); }\n if (innerSubscriber.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(innerSubscriber);\n }\n return subscribeTo(result)(innerSubscriber);\n}\n//# sourceMappingURL=subscribeToResult.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = (function (_super) {\n __extends(OuterSubscriber, _super);\n function OuterSubscriber() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n OuterSubscriber.prototype.notifyError = function (error, innerSub) {\n this.destination.error(error);\n };\n OuterSubscriber.prototype.notifyComplete = function (innerSub) {\n this.destination.complete();\n };\n return OuterSubscriber;\n}(Subscriber));\nexport { OuterSubscriber };\n//# sourceMappingURL=OuterSubscriber.js.map","var _enable_super_gross_mode_that_will_cause_bad_things = false;\nexport var config = {\n Promise: undefined,\n set useDeprecatedSynchronousErrorHandling(value) {\n if (value) {\n var error = new Error();\n console.warn('DEPRECATED! RxJS was set to use deprecated synchronous error handling behavior by code at: \\n' + error.stack);\n }\n else if (_enable_super_gross_mode_that_will_cause_bad_things) {\n console.log('RxJS: Back to a better error behavior. Thank you. <3');\n }\n _enable_super_gross_mode_that_will_cause_bad_things = value;\n },\n get useDeprecatedSynchronousErrorHandling() {\n return _enable_super_gross_mode_that_will_cause_bad_things;\n },\n};\n//# sourceMappingURL=config.js.map","var __window = typeof window !== 'undefined' && window;\nvar __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n self instanceof WorkerGlobalScope && self;\nvar __global = typeof global !== 'undefined' && global;\nvar _root = __window || __global || __self;\n(function () {\n if (!_root) {\n throw new Error('RxJS could not find any global context (window, self, global)');\n }\n})();\nexport { _root as root };\n//# sourceMappingURL=root.js.map","import _isPlaceholder from \"./_isPlaceholder.js\";\n/**\n * Optimized internal one-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\n\nexport default function _curry1(fn) {\n return function f1(a) {\n if (arguments.length === 0 || _isPlaceholder(a)) {\n return f1;\n } else {\n return fn.apply(this, arguments);\n }\n };\n}","export function noop() { }\n//# sourceMappingURL=noop.js.map","export function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map","export var observable = (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map","import { Observable } from '../Observable';\nexport var EMPTY = new Observable(function (subscriber) { return subscriber.complete(); });\nexport function empty(scheduler) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\nfunction emptyScheduled(scheduler) {\n return new Observable(function (subscriber) { return scheduler.schedule(function () { return subscriber.complete(); }); });\n}\n//# sourceMappingURL=empty.js.map","var ObjectUnsubscribedErrorImpl = (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map","export function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function switchMap(project, resultSelector) {\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(switchMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };\n }\n return function (source) { return source.lift(new SwitchMapOperator(project)); };\n}\nvar SwitchMapOperator = (function () {\n function SwitchMapOperator(project) {\n this.project = project;\n }\n SwitchMapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));\n };\n return SwitchMapOperator;\n}());\nvar SwitchMapSubscriber = (function (_super) {\n __extends(SwitchMapSubscriber, _super);\n function SwitchMapSubscriber(destination, project) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.index = 0;\n return _this;\n }\n SwitchMapSubscriber.prototype._next = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (error) {\n this.destination.error(error);\n return;\n }\n this._innerSub(result, value, index);\n };\n SwitchMapSubscriber.prototype._innerSub = function (result, value, index) {\n var innerSubscription = this.innerSubscription;\n if (innerSubscription) {\n innerSubscription.unsubscribe();\n }\n var innerSubscriber = new InnerSubscriber(this, value, index);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n if (this.innerSubscription !== innerSubscriber) {\n destination.add(this.innerSubscription);\n }\n };\n SwitchMapSubscriber.prototype._complete = function () {\n var innerSubscription = this.innerSubscription;\n if (!innerSubscription || innerSubscription.closed) {\n _super.prototype._complete.call(this);\n }\n this.unsubscribe();\n };\n SwitchMapSubscriber.prototype._unsubscribe = function () {\n this.innerSubscription = null;\n };\n SwitchMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var destination = this.destination;\n destination.remove(innerSub);\n this.innerSubscription = null;\n if (this.isStopped) {\n _super.prototype._complete.call(this);\n }\n };\n SwitchMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n return SwitchMapSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=switchMap.js.map","export var isArray = (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map","export function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map","import { __extends } from \"tslib\";\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nvar SubjectSubscriber = (function (_super) {\n __extends(SubjectSubscriber, _super);\n function SubjectSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n return _this;\n }\n return SubjectSubscriber;\n}(Subscriber));\nexport { SubjectSubscriber };\nvar Subject = (function (_super) {\n __extends(Subject, _super);\n function Subject() {\n var _this = _super.call(this) || this;\n _this.observers = [];\n _this.closed = false;\n _this.isStopped = false;\n _this.hasError = false;\n _this.thrownError = null;\n return _this;\n }\n Subject.prototype[rxSubscriberSymbol] = function () {\n return new SubjectSubscriber(this);\n };\n Subject.prototype.lift = function (operator) {\n var subject = new AnonymousSubject(this, this);\n subject.operator = operator;\n return subject;\n };\n Subject.prototype.next = function (value) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n if (!this.isStopped) {\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].next(value);\n }\n }\n };\n Subject.prototype.error = function (err) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.hasError = true;\n this.thrownError = err;\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].error(err);\n }\n this.observers.length = 0;\n };\n Subject.prototype.complete = function () {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].complete();\n }\n this.observers.length = 0;\n };\n Subject.prototype.unsubscribe = function () {\n this.isStopped = true;\n this.closed = true;\n this.observers = null;\n };\n Subject.prototype._trySubscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return _super.prototype._trySubscribe.call(this, subscriber);\n }\n };\n Subject.prototype._subscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.hasError) {\n subscriber.error(this.thrownError);\n return Subscription.EMPTY;\n }\n else if (this.isStopped) {\n subscriber.complete();\n return Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n return new SubjectSubscription(this, subscriber);\n }\n };\n Subject.prototype.asObservable = function () {\n var observable = new Observable();\n observable.source = this;\n return observable;\n };\n Subject.create = function (destination, source) {\n return new AnonymousSubject(destination, source);\n };\n return Subject;\n}(Observable));\nexport { Subject };\nvar AnonymousSubject = (function (_super) {\n __extends(AnonymousSubject, _super);\n function AnonymousSubject(destination, source) {\n var _this = _super.call(this) || this;\n _this.destination = destination;\n _this.source = source;\n return _this;\n }\n AnonymousSubject.prototype.next = function (value) {\n var destination = this.destination;\n if (destination && destination.next) {\n destination.next(value);\n }\n };\n AnonymousSubject.prototype.error = function (err) {\n var destination = this.destination;\n if (destination && destination.error) {\n this.destination.error(err);\n }\n };\n AnonymousSubject.prototype.complete = function () {\n var destination = this.destination;\n if (destination && destination.complete) {\n this.destination.complete();\n }\n };\n AnonymousSubject.prototype._subscribe = function (subscriber) {\n var source = this.source;\n if (source) {\n return this.source.subscribe(subscriber);\n }\n else {\n return Subscription.EMPTY;\n }\n };\n return AnonymousSubject;\n}(Subject));\nexport { AnonymousSubject };\n//# sourceMappingURL=Subject.js.map","export function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = (function (_super) {\n __extends(InnerSubscriber, _super);\n function InnerSubscriber(parent, outerValue, outerIndex) {\n var _this = _super.call(this) || this;\n _this.parent = parent;\n _this.outerValue = outerValue;\n _this.outerIndex = outerIndex;\n _this.index = 0;\n return _this;\n }\n InnerSubscriber.prototype._next = function (value) {\n this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);\n };\n InnerSubscriber.prototype._error = function (error) {\n this.parent.notifyError(error, this);\n this.unsubscribe();\n };\n InnerSubscriber.prototype._complete = function () {\n this.parent.notifyComplete(this);\n this.unsubscribe();\n };\n return InnerSubscriber;\n}(Subscriber));\nexport { InnerSubscriber };\n//# sourceMappingURL=InnerSubscriber.js.map","export default function _isPlaceholder(a) {\n return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;\n}","export var rxSubscriber = (function () {\n return typeof Symbol === 'function'\n ? Symbol('rxSubscriber')\n : '@@rxSubscriber_' + Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map","import { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n(function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = (function () {\n function Notification(kind, value, error) {\n this.kind = kind;\n this.value = value;\n this.error = error;\n this.hasValue = kind === 'N';\n }\n Notification.prototype.observe = function (observer) {\n switch (this.kind) {\n case 'N':\n return observer.next && observer.next(this.value);\n case 'E':\n return observer.error && observer.error(this.error);\n case 'C':\n return observer.complete && observer.complete();\n }\n };\n Notification.prototype.do = function (next, error, complete) {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return next && next(this.value);\n case 'E':\n return error && error(this.error);\n case 'C':\n return complete && complete();\n }\n };\n Notification.prototype.accept = function (nextOrObserver, error, complete) {\n if (nextOrObserver && typeof nextOrObserver.next === 'function') {\n return this.observe(nextOrObserver);\n }\n else {\n return this.do(nextOrObserver, error, complete);\n }\n };\n Notification.prototype.toObservable = function () {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return of(this.value);\n case 'E':\n return throwError(this.error);\n case 'C':\n return empty();\n }\n throw new Error('unexpected notification kind value');\n };\n Notification.createNext = function (value) {\n if (typeof value !== 'undefined') {\n return new Notification('N', value);\n }\n return Notification.undefinedValueNotification;\n };\n Notification.createError = function (err) {\n return new Notification('E', undefined, err);\n };\n Notification.createComplete = function () {\n return Notification.completeNotification;\n };\n Notification.completeNotification = new Notification('C');\n Notification.undefinedValueNotification = new Notification('N', undefined);\n return Notification;\n}());\nexport { Notification };\n//# sourceMappingURL=Notification.js.map","import { Observable } from '../Observable';\nexport function throwError(error, scheduler) {\n if (!scheduler) {\n return new Observable(function (subscriber) { return subscriber.error(error); });\n }\n else {\n return new Observable(function (subscriber) { return scheduler.schedule(dispatch, 0, { error: error, subscriber: subscriber }); });\n }\n}\nfunction dispatch(_a) {\n var error = _a.error, subscriber = _a.subscriber;\n subscriber.error(error);\n}\n//# sourceMappingURL=throwError.js.map","import { noop } from './noop';\nexport function pipe() {\n var fns = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n fns[_i] = arguments[_i];\n }\n return pipeFromArray(fns);\n}\nexport function pipeFromArray(fns) {\n if (!fns) {\n return noop;\n }\n if (fns.length === 1) {\n return fns[0];\n }\n return function piped(input) {\n return fns.reduce(function (prev, fn) { return fn(prev); }, input);\n };\n}\n//# sourceMappingURL=pipe.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function scheduleArray(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var i = 0;\n sub.add(scheduler.schedule(function () {\n if (i === input.length) {\n subscriber.complete();\n return;\n }\n subscriber.next(input[i++]);\n if (!subscriber.closed) {\n sub.add(this.schedule());\n }\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleArray.js.map","import { Observable } from '../Observable';\nimport { subscribeToArray } from '../util/subscribeToArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function fromArray(input, scheduler) {\n if (!scheduler) {\n return new Observable(subscribeToArray(input));\n }\n else {\n return scheduleArray(input, scheduler);\n }\n}\n//# sourceMappingURL=fromArray.js.map","import { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nexport function scheduled(input, scheduler) {\n if (input != null) {\n if (isInteropObservable(input)) {\n return scheduleObservable(input, scheduler);\n }\n else if (isPromise(input)) {\n return schedulePromise(input, scheduler);\n }\n else if (isArrayLike(input)) {\n return scheduleArray(input, scheduler);\n }\n else if (isIterable(input) || typeof input === 'string') {\n return scheduleIterable(input, scheduler);\n }\n }\n throw new TypeError((input !== null && typeof input || input) + ' is not observable');\n}\n//# sourceMappingURL=scheduled.js.map","import { observable as Symbol_observable } from '../symbol/observable';\nexport function isInteropObservable(input) {\n return input && typeof input[Symbol_observable] === 'function';\n}\n//# sourceMappingURL=isInteropObservable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function scheduleObservable(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n var observable = input[Symbol_observable]();\n sub.add(observable.subscribe({\n next: function (value) { sub.add(scheduler.schedule(function () { return subscriber.next(value); })); },\n error: function (err) { sub.add(scheduler.schedule(function () { return subscriber.error(err); })); },\n complete: function () { sub.add(scheduler.schedule(function () { return subscriber.complete(); })); },\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleObservable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function schedulePromise(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () { return input.then(function (value) {\n sub.add(scheduler.schedule(function () {\n subscriber.next(value);\n sub.add(scheduler.schedule(function () { return subscriber.complete(); }));\n }));\n }, function (err) {\n sub.add(scheduler.schedule(function () { return subscriber.error(err); }));\n }); }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map","import { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function isIterable(input) {\n return input && typeof input[Symbol_iterator] === 'function';\n}\n//# sourceMappingURL=isIterable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function scheduleIterable(input, scheduler) {\n if (!input) {\n throw new Error('Iterable cannot be null');\n }\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var iterator;\n sub.add(function () {\n if (iterator && typeof iterator.return === 'function') {\n iterator.return();\n }\n });\n sub.add(scheduler.schedule(function () {\n iterator = input[Symbol_iterator]();\n sub.add(scheduler.schedule(function () {\n if (subscriber.closed) {\n return;\n }\n var value;\n var done;\n try {\n var result = iterator.next();\n value = result.value;\n done = result.done;\n }\n catch (err) {\n subscriber.error(err);\n return;\n }\n if (done) {\n subscriber.complete();\n }\n else {\n subscriber.next(value);\n this.schedule();\n }\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleIterable.js.map","import { Observable } from '../Observable';\nimport { subscribeTo } from '../util/subscribeTo';\nimport { scheduled } from '../scheduled/scheduled';\nexport function from(input, scheduler) {\n if (!scheduler) {\n if (input instanceof Observable) {\n return input;\n }\n return new Observable(subscribeTo(input));\n }\n else {\n return scheduled(input, scheduler);\n }\n}\n//# sourceMappingURL=from.js.map","var Scheduler = (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) { now = Scheduler.now; }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) { delay = 0; }\n return new this.SchedulerAction(this, work).schedule(state, delay);\n };\n Scheduler.now = function () { return Date.now(); };\n return Scheduler;\n}());\nexport { Scheduler };\n//# sourceMappingURL=Scheduler.js.map","import { __extends } from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = (function (_super) {\n __extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) { now = Scheduler.now; }\n var _this = _super.call(this, SchedulerAction, function () {\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {\n return AsyncScheduler.delegate.now();\n }\n else {\n return now();\n }\n }) || this;\n _this.actions = [];\n _this.active = false;\n _this.scheduled = undefined;\n return _this;\n }\n AsyncScheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) { delay = 0; }\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {\n return AsyncScheduler.delegate.schedule(work, delay, state);\n }\n else {\n return _super.prototype.schedule.call(this, work, delay, state);\n }\n };\n AsyncScheduler.prototype.flush = function (action) {\n var actions = this.actions;\n if (this.active) {\n actions.push(action);\n return;\n }\n var error;\n this.active = true;\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (action = actions.shift());\n this.active = false;\n if (error) {\n while (action = actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsyncScheduler;\n}(Scheduler));\nexport { AsyncScheduler };\n//# sourceMappingURL=AsyncScheduler.js.map","import { __extends } from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = (function (_super) {\n __extends(AsyncAction, _super);\n function AsyncAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.pending = false;\n return _this;\n }\n AsyncAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (this.closed) {\n return this;\n }\n this.state = state;\n var id = this.id;\n var scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);\n return this;\n };\n AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && this.delay === delay && this.pending === false) {\n return id;\n }\n clearInterval(id);\n return undefined;\n };\n AsyncAction.prototype.execute = function (state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n var error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n };\n AsyncAction.prototype._execute = function (state, delay) {\n var errored = false;\n var errorValue = undefined;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = !!e && e || new Error(e);\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n };\n AsyncAction.prototype._unsubscribe = function () {\n var id = this.id;\n var scheduler = this.scheduler;\n var actions = scheduler.actions;\n var index = actions.indexOf(this);\n this.work = null;\n this.state = null;\n this.pending = false;\n this.scheduler = null;\n if (index !== -1) {\n actions.splice(index, 1);\n }\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n };\n return AsyncAction;\n}(Action));\nexport { AsyncAction };\n//# sourceMappingURL=AsyncAction.js.map","import { __extends } from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = (function (_super) {\n __extends(Action, _super);\n function Action(scheduler, work) {\n return _super.call(this) || this;\n }\n Action.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map","import { isScheduler } from '../util/isScheduler';\nimport { fromArray } from './fromArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function of() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = args[args.length - 1];\n if (isScheduler(scheduler)) {\n args.pop();\n return scheduleArray(args, scheduler);\n }\n else {\n return fromArray(args);\n }\n}\n//# sourceMappingURL=of.js.map","import { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nexport var empty = {\n closed: true,\n next: function (value) { },\n error: function (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n },\n complete: function () { }\n};\n//# sourceMappingURL=Observer.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n this.scheduler = scheduler;\n this.delay = delay;\n }\n ObserveOnOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));\n };\n return ObserveOnOperator;\n}());\nexport { ObserveOnOperator };\nvar ObserveOnSubscriber = (function (_super) {\n __extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n var _this = _super.call(this, destination) || this;\n _this.scheduler = scheduler;\n _this.delay = delay;\n return _this;\n }\n ObserveOnSubscriber.dispatch = function (arg) {\n var notification = arg.notification, destination = arg.destination;\n notification.observe(destination);\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype.scheduleMessage = function (notification) {\n var destination = this.destination;\n destination.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));\n };\n ObserveOnSubscriber.prototype._next = function (value) {\n this.scheduleMessage(Notification.createNext(value));\n };\n ObserveOnSubscriber.prototype._error = function (err) {\n this.scheduleMessage(Notification.createError(err));\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype._complete = function () {\n this.scheduleMessage(Notification.createComplete());\n this.unsubscribe();\n };\n return ObserveOnSubscriber;\n}(Subscriber));\nexport { ObserveOnSubscriber };\nvar ObserveOnMessage = (function () {\n function ObserveOnMessage(notification, destination) {\n this.notification = notification;\n this.destination = destination;\n }\n return ObserveOnMessage;\n}());\nexport { ObserveOnMessage };\n//# sourceMappingURL=observeOn.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function distinctUntilChanged(compare, keySelector) {\n return function (source) { return source.lift(new DistinctUntilChangedOperator(compare, keySelector)); };\n}\nvar DistinctUntilChangedOperator = (function () {\n function DistinctUntilChangedOperator(compare, keySelector) {\n this.compare = compare;\n this.keySelector = keySelector;\n }\n DistinctUntilChangedOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));\n };\n return DistinctUntilChangedOperator;\n}());\nvar DistinctUntilChangedSubscriber = (function (_super) {\n __extends(DistinctUntilChangedSubscriber, _super);\n function DistinctUntilChangedSubscriber(destination, compare, keySelector) {\n var _this = _super.call(this, destination) || this;\n _this.keySelector = keySelector;\n _this.hasKey = false;\n if (typeof compare === 'function') {\n _this.compare = compare;\n }\n return _this;\n }\n DistinctUntilChangedSubscriber.prototype.compare = function (x, y) {\n return x === y;\n };\n DistinctUntilChangedSubscriber.prototype._next = function (value) {\n var key;\n try {\n var keySelector = this.keySelector;\n key = keySelector ? keySelector(value) : value;\n }\n catch (err) {\n return this.destination.error(err);\n }\n var result = false;\n if (this.hasKey) {\n try {\n var compare = this.compare;\n result = compare(this.key, key);\n }\n catch (err) {\n return this.destination.error(err);\n }\n }\n else {\n this.hasKey = true;\n }\n if (!result) {\n this.key = key;\n this.destination.next(value);\n }\n };\n return DistinctUntilChangedSubscriber;\n}(Subscriber));\n//# sourceMappingURL=distinctUntilChanged.js.map","export function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map","import { __extends } from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = (function (_super) {\n __extends(SubjectSubscription, _super);\n function SubjectSubscription(subject, subscriber) {\n var _this = _super.call(this) || this;\n _this.subject = subject;\n _this.subscriber = subscriber;\n _this.closed = false;\n return _this;\n }\n SubjectSubscription.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.closed = true;\n var subject = this.subject;\n var observers = subject.observers;\n this.subject = null;\n if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {\n return;\n }\n var subscriberIndex = observers.indexOf(this.subscriber);\n if (subscriberIndex !== -1) {\n observers.splice(subscriberIndex, 1);\n }\n };\n return SubjectSubscription;\n}(Subscription));\nexport { SubjectSubscription };\n//# sourceMappingURL=SubjectSubscription.js.map","export var subscribeToArray = function (array) { return function (subscriber) {\n for (var i = 0, len = array.length; i < len && !subscriber.closed; i++) {\n subscriber.next(array[i]);\n }\n subscriber.complete();\n}; };\n//# sourceMappingURL=subscribeToArray.js.map","export var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map","export function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map","import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map","import { subscribeToArray } from './subscribeToArray';\nimport { subscribeToPromise } from './subscribeToPromise';\nimport { subscribeToIterable } from './subscribeToIterable';\nimport { subscribeToObservable } from './subscribeToObservable';\nimport { isArrayLike } from './isArrayLike';\nimport { isPromise } from './isPromise';\nimport { isObject } from './isObject';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeTo = function (result) {\n if (!!result && typeof result[Symbol_observable] === 'function') {\n return subscribeToObservable(result);\n }\n else if (isArrayLike(result)) {\n return subscribeToArray(result);\n }\n else if (isPromise(result)) {\n return subscribeToPromise(result);\n }\n else if (!!result && typeof result[Symbol_iterator] === 'function') {\n return subscribeToIterable(result);\n }\n else {\n var value = isObject(result) ? 'an invalid object' : \"'\" + result + \"'\";\n var msg = \"You provided \" + value + \" where a stream was expected.\"\n + ' You can provide an Observable, Promise, Array, or Iterable.';\n throw new TypeError(msg);\n }\n};\n//# sourceMappingURL=subscribeTo.js.map","import { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) { return function (subscriber) {\n var obs = obj[Symbol_observable]();\n if (typeof obs.subscribe !== 'function') {\n throw new TypeError('Provided object does not correctly implement Symbol.observable');\n }\n else {\n return obs.subscribe(subscriber);\n }\n}; };\n//# sourceMappingURL=subscribeToObservable.js.map","import { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) { return function (subscriber) {\n promise.then(function (value) {\n if (!subscriber.closed) {\n subscriber.next(value);\n subscriber.complete();\n }\n }, function (err) { return subscriber.error(err); })\n .then(null, hostReportError);\n return subscriber;\n}; };\n//# sourceMappingURL=subscribeToPromise.js.map","import { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) { return function (subscriber) {\n var iterator = iterable[Symbol_iterator]();\n do {\n var item = iterator.next();\n if (item.done) {\n subscriber.complete();\n break;\n }\n subscriber.next(item.value);\n if (subscriber.closed) {\n break;\n }\n } while (true);\n if (typeof iterator.return === 'function') {\n subscriber.add(function () {\n if (iterator.return) {\n iterator.return();\n }\n });\n }\n return subscriber;\n}; };\n//# sourceMappingURL=subscribeToIterable.js.map","import { __extends } from \"tslib\";\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function mergeMap(project, resultSelector, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(mergeMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); }, concurrent)); };\n }\n else if (typeof resultSelector === 'number') {\n concurrent = resultSelector;\n }\n return function (source) { return source.lift(new MergeMapOperator(project, concurrent)); };\n}\nvar MergeMapOperator = (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n this.project = project;\n this.concurrent = concurrent;\n }\n MergeMapOperator.prototype.call = function (observer, source) {\n return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));\n };\n return MergeMapOperator;\n}());\nexport { MergeMapOperator };\nvar MergeMapSubscriber = (function (_super) {\n __extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.concurrent = concurrent;\n _this.hasCompleted = false;\n _this.buffer = [];\n _this.active = 0;\n _this.index = 0;\n return _this;\n }\n MergeMapSubscriber.prototype._next = function (value) {\n if (this.active < this.concurrent) {\n this._tryNext(value);\n }\n else {\n this.buffer.push(value);\n }\n };\n MergeMapSubscriber.prototype._tryNext = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.active++;\n this._innerSub(result, value, index);\n };\n MergeMapSubscriber.prototype._innerSub = function (ish, value, index) {\n var innerSubscriber = new InnerSubscriber(this, value, index);\n var destination = this.destination;\n destination.add(innerSubscriber);\n var innerSubscription = subscribeToResult(this, ish, undefined, undefined, innerSubscriber);\n if (innerSubscription !== innerSubscriber) {\n destination.add(innerSubscription);\n }\n };\n MergeMapSubscriber.prototype._complete = function () {\n this.hasCompleted = true;\n if (this.active === 0 && this.buffer.length === 0) {\n this.destination.complete();\n }\n this.unsubscribe();\n };\n MergeMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n MergeMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var buffer = this.buffer;\n this.remove(innerSub);\n this.active--;\n if (buffer.length > 0) {\n this._next(buffer.shift());\n }\n else if (this.active === 0 && this.hasCompleted) {\n this.destination.complete();\n }\n };\n return MergeMapSubscriber;\n}(OuterSubscriber));\nexport { MergeMapSubscriber };\n//# sourceMappingURL=mergeMap.js.map","export function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map","import { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\nexport function tap(nextOrObserver, error, complete) {\n return function tapOperatorFunction(source) {\n return source.lift(new DoOperator(nextOrObserver, error, complete));\n };\n}\nvar DoOperator = (function () {\n function DoOperator(nextOrObserver, error, complete) {\n this.nextOrObserver = nextOrObserver;\n this.error = error;\n this.complete = complete;\n }\n DoOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n };\n return DoOperator;\n}());\nvar TapSubscriber = (function (_super) {\n __extends(TapSubscriber, _super);\n function TapSubscriber(destination, observerOrNext, error, complete) {\n var _this = _super.call(this, destination) || this;\n _this._tapNext = noop;\n _this._tapError = noop;\n _this._tapComplete = noop;\n _this._tapError = error || noop;\n _this._tapComplete = complete || noop;\n if (isFunction(observerOrNext)) {\n _this._context = _this;\n _this._tapNext = observerOrNext;\n }\n else if (observerOrNext) {\n _this._context = observerOrNext;\n _this._tapNext = observerOrNext.next || noop;\n _this._tapError = observerOrNext.error || noop;\n _this._tapComplete = observerOrNext.complete || noop;\n }\n return _this;\n }\n TapSubscriber.prototype._next = function (value) {\n try {\n this._tapNext.call(this._context, value);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(value);\n };\n TapSubscriber.prototype._error = function (err) {\n try {\n this._tapError.call(this._context, err);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.error(err);\n };\n TapSubscriber.prototype._complete = function () {\n try {\n this._tapComplete.call(this._context);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n return this.destination.complete();\n };\n return TapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=tap.js.map","import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = (function (_super) {\n __extends(AnimationFrameAction, _super);\n function AnimationFrameAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler.scheduled || (scheduler.scheduled = requestAnimationFrame(function () { return scheduler.flush(null); }));\n };\n AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n if (scheduler.actions.length === 0) {\n cancelAnimationFrame(id);\n scheduler.scheduled = undefined;\n }\n return undefined;\n };\n return AnimationFrameAction;\n}(AsyncAction));\nexport { AnimationFrameAction };\n//# sourceMappingURL=AnimationFrameAction.js.map","import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map","import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = (function (_super) {\n __extends(AnimationFrameScheduler, _super);\n function AnimationFrameScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AnimationFrameScheduler.prototype.flush = function (action) {\n this.active = true;\n this.scheduled = undefined;\n var actions = this.actions;\n var error;\n var index = -1;\n var count = actions.length;\n action = action || actions.shift();\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (++index < count && (action = actions.shift()));\n this.active = false;\n if (error) {\n while (++index < count && (action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AnimationFrameScheduler;\n}(AsyncScheduler));\nexport { AnimationFrameScheduler };\n//# sourceMappingURL=AnimationFrameScheduler.js.map","/*!\n * clipboard.js v2.0.6\n * https://clipboardjs.com/\n * \n * Licensed MIT © Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) 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\t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 6);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar is = __webpack_require__(3);\nvar delegate = __webpack_require__(4);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar closest = __webpack_require__(5);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n__webpack_require__.r(__webpack_exports__);\n\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(0);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n\n// CONCATENATED MODULE: ./src/clipboard-action.js\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n\n\n/**\n * Inner class which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n */\n\nvar clipboard_action_ClipboardAction = function () {\n /**\n * @param {Object} options\n */\n function ClipboardAction(options) {\n _classCallCheck(this, ClipboardAction);\n\n this.resolveOptions(options);\n this.initSelection();\n }\n\n /**\n * Defines base properties passed from constructor.\n * @param {Object} options\n */\n\n\n _createClass(ClipboardAction, [{\n key: 'resolveOptions',\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n this.action = options.action;\n this.container = options.container;\n this.emitter = options.emitter;\n this.target = options.target;\n this.text = options.text;\n this.trigger = options.trigger;\n\n this.selectedText = '';\n }\n\n /**\n * Decides which selection strategy is going to be applied based\n * on the existence of `text` and `target` properties.\n */\n\n }, {\n key: 'initSelection',\n value: function initSelection() {\n if (this.text) {\n this.selectFake();\n } else if (this.target) {\n this.selectTarget();\n }\n }\n\n /**\n * Creates a fake textarea element, sets its value from `text` property,\n * and makes a selection on it.\n */\n\n }, {\n key: 'selectFake',\n value: function selectFake() {\n var _this = this;\n\n var isRTL = document.documentElement.getAttribute('dir') == 'rtl';\n\n this.removeFake();\n\n this.fakeHandlerCallback = function () {\n return _this.removeFake();\n };\n this.fakeHandler = this.container.addEventListener('click', this.fakeHandlerCallback) || true;\n\n this.fakeElem = document.createElement('textarea');\n // Prevent zooming on iOS\n this.fakeElem.style.fontSize = '12pt';\n // Reset box model\n this.fakeElem.style.border = '0';\n this.fakeElem.style.padding = '0';\n this.fakeElem.style.margin = '0';\n // Move element out of screen horizontally\n this.fakeElem.style.position = 'absolute';\n this.fakeElem.style[isRTL ? 'right' : 'left'] = '-9999px';\n // Move element to the same position vertically\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n this.fakeElem.style.top = yPosition + 'px';\n\n this.fakeElem.setAttribute('readonly', '');\n this.fakeElem.value = this.text;\n\n this.container.appendChild(this.fakeElem);\n\n this.selectedText = select_default()(this.fakeElem);\n this.copyText();\n }\n\n /**\n * Only removes the fake element after another click event, that way\n * a user can hit `Ctrl+C` to copy because selection still exists.\n */\n\n }, {\n key: 'removeFake',\n value: function removeFake() {\n if (this.fakeHandler) {\n this.container.removeEventListener('click', this.fakeHandlerCallback);\n this.fakeHandler = null;\n this.fakeHandlerCallback = null;\n }\n\n if (this.fakeElem) {\n this.container.removeChild(this.fakeElem);\n this.fakeElem = null;\n }\n }\n\n /**\n * Selects the content from element passed on `target` property.\n */\n\n }, {\n key: 'selectTarget',\n value: function selectTarget() {\n this.selectedText = select_default()(this.target);\n this.copyText();\n }\n\n /**\n * Executes the copy operation based on the current selection.\n */\n\n }, {\n key: 'copyText',\n value: function copyText() {\n var succeeded = void 0;\n\n try {\n succeeded = document.execCommand(this.action);\n } catch (err) {\n succeeded = false;\n }\n\n this.handleResult(succeeded);\n }\n\n /**\n * Fires an event based on the copy operation result.\n * @param {Boolean} succeeded\n */\n\n }, {\n key: 'handleResult',\n value: function handleResult(succeeded) {\n this.emitter.emit(succeeded ? 'success' : 'error', {\n action: this.action,\n text: this.selectedText,\n trigger: this.trigger,\n clearSelection: this.clearSelection.bind(this)\n });\n }\n\n /**\n * Moves focus away from `target` and back to the trigger, removes current selection.\n */\n\n }, {\n key: 'clearSelection',\n value: function clearSelection() {\n if (this.trigger) {\n this.trigger.focus();\n }\n document.activeElement.blur();\n window.getSelection().removeAllRanges();\n }\n\n /**\n * Sets the `action` to be performed which can be either 'copy' or 'cut'.\n * @param {String} action\n */\n\n }, {\n key: 'destroy',\n\n\n /**\n * Destroy lifecycle.\n */\n value: function destroy() {\n this.removeFake();\n }\n }, {\n key: 'action',\n set: function set() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';\n\n this._action = action;\n\n if (this._action !== 'copy' && this._action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n }\n }\n\n /**\n * Gets the `action` property.\n * @return {String}\n */\n ,\n get: function get() {\n return this._action;\n }\n\n /**\n * Sets the `target` property using an element\n * that will be have its content copied.\n * @param {Element} target\n */\n\n }, {\n key: 'target',\n set: function set(target) {\n if (target !== undefined) {\n if (target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && target.nodeType === 1) {\n if (this.action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n\n this._target = target;\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n }\n }\n\n /**\n * Gets the `target` property.\n * @return {String|HTMLElement}\n */\n ,\n get: function get() {\n return this._target;\n }\n }]);\n\n return ClipboardAction;\n}();\n\n/* harmony default export */ var clipboard_action = (clipboard_action_ClipboardAction);\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(1);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(2);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n\n// CONCATENATED MODULE: ./src/clipboard.js\nvar clipboard_typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar clipboard_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\n\n\n\n\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\nvar clipboard_Clipboard = function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n clipboard_classCallCheck(this, Clipboard);\n\n var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this));\n\n _this.resolveOptions(options);\n _this.listenClick(trigger);\n return _this;\n }\n\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n clipboard_createClass(Clipboard, [{\n key: 'resolveOptions',\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: 'listenClick',\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: 'onClick',\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n\n if (this.clipboardAction) {\n this.clipboardAction = null;\n }\n\n this.clipboardAction = new clipboard_action({\n action: this.action(trigger),\n target: this.target(trigger),\n text: this.text(trigger),\n container: this.container,\n trigger: trigger,\n emitter: this\n });\n }\n\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: 'defaultAction',\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: 'defaultTarget',\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: 'defaultText',\n\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: 'destroy',\n value: function destroy() {\n this.listener.destroy();\n\n if (this.clipboardAction) {\n this.clipboardAction.destroy();\n this.clipboardAction = null;\n }\n }\n }], [{\n key: 'isSupported',\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n\n return support;\n }\n }]);\n\n return Clipboard;\n}(tiny_emitter_default.a);\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\n\nfunction getAttributeValue(suffix, element) {\n var attribute = 'data-clipboard-' + suffix;\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n\n/* harmony default export */ var clipboard = __webpack_exports__[\"default\"] = (clipboard_Clipboard);\n\n/***/ })\n/******/ ])[\"default\"];\n});","import { __extends } from \"tslib\";\nimport { isScheduler } from '../util/isScheduler';\nimport { isArray } from '../util/isArray';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { fromArray } from './fromArray';\nvar NONE = {};\nexport function combineLatest() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var resultSelector = null;\n var scheduler = null;\n if (isScheduler(observables[observables.length - 1])) {\n scheduler = observables.pop();\n }\n if (typeof observables[observables.length - 1] === 'function') {\n resultSelector = observables.pop();\n }\n if (observables.length === 1 && isArray(observables[0])) {\n observables = observables[0];\n }\n return fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector));\n}\nvar CombineLatestOperator = (function () {\n function CombineLatestOperator(resultSelector) {\n this.resultSelector = resultSelector;\n }\n CombineLatestOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));\n };\n return CombineLatestOperator;\n}());\nexport { CombineLatestOperator };\nvar CombineLatestSubscriber = (function (_super) {\n __extends(CombineLatestSubscriber, _super);\n function CombineLatestSubscriber(destination, resultSelector) {\n var _this = _super.call(this, destination) || this;\n _this.resultSelector = resultSelector;\n _this.active = 0;\n _this.values = [];\n _this.observables = [];\n return _this;\n }\n CombineLatestSubscriber.prototype._next = function (observable) {\n this.values.push(NONE);\n this.observables.push(observable);\n };\n CombineLatestSubscriber.prototype._complete = function () {\n var observables = this.observables;\n var len = observables.length;\n if (len === 0) {\n this.destination.complete();\n }\n else {\n this.active = len;\n this.toRespond = len;\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n this.add(subscribeToResult(this, observable, observable, i));\n }\n }\n };\n CombineLatestSubscriber.prototype.notifyComplete = function (unused) {\n if ((this.active -= 1) === 0) {\n this.destination.complete();\n }\n };\n CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n var values = this.values;\n var oldVal = values[outerIndex];\n var toRespond = !this.toRespond\n ? 0\n : oldVal === NONE ? --this.toRespond : this.toRespond;\n values[outerIndex] = innerValue;\n if (toRespond === 0) {\n if (this.resultSelector) {\n this._tryResultSelector(values);\n }\n else {\n this.destination.next(values.slice());\n }\n }\n };\n CombineLatestSubscriber.prototype._tryResultSelector = function (values) {\n var result;\n try {\n result = this.resultSelector.apply(this, values);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return CombineLatestSubscriber;\n}(OuterSubscriber));\nexport { CombineLatestSubscriber };\n//# sourceMappingURL=combineLatest.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function scan(accumulator, seed) {\n var hasSeed = false;\n if (arguments.length >= 2) {\n hasSeed = true;\n }\n return function scanOperatorFunction(source) {\n return source.lift(new ScanOperator(accumulator, seed, hasSeed));\n };\n}\nvar ScanOperator = (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) { hasSeed = false; }\n this.accumulator = accumulator;\n this.seed = seed;\n this.hasSeed = hasSeed;\n }\n ScanOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ScanSubscriber(subscriber, this.accumulator, this.seed, this.hasSeed));\n };\n return ScanOperator;\n}());\nvar ScanSubscriber = (function (_super) {\n __extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _state, _hasState) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._state = _state;\n _this._hasState = _hasState;\n _this.index = 0;\n return _this;\n }\n ScanSubscriber.prototype._next = function (value) {\n var destination = this.destination;\n if (!this._hasState) {\n this._state = value;\n this._hasState = true;\n destination.next(value);\n }\n else {\n var index = this.index++;\n var result = void 0;\n try {\n result = this.accumulator(this._state, value, index);\n }\n catch (err) {\n destination.error(err);\n return;\n }\n this._state = result;\n destination.next(result);\n }\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nexport function finalize(callback) {\n return function (source) { return source.lift(new FinallyOperator(callback)); };\n}\nvar FinallyOperator = (function () {\n function FinallyOperator(callback) {\n this.callback = callback;\n }\n FinallyOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n };\n return FinallyOperator;\n}());\nvar FinallySubscriber = (function (_super) {\n __extends(FinallySubscriber, _super);\n function FinallySubscriber(destination, callback) {\n var _this = _super.call(this, destination) || this;\n _this.add(new Subscription(callback));\n return _this;\n }\n return FinallySubscriber;\n}(Subscriber));\n//# sourceMappingURL=finalize.js.map","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n","import { Observable } from '../Observable';\nimport { from } from './from';\nimport { empty } from './empty';\nexport function defer(observableFactory) {\n return new Observable(function (subscriber) {\n var input;\n try {\n input = observableFactory();\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n var source = input ? from(input) : empty();\n return source.subscribe(subscriber);\n });\n}\n//# sourceMappingURL=defer.js.map","/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n","import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = (function (_super) {\n __extends(QueueAction, _super);\n function QueueAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n QueueAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay > 0) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n };\n QueueAction.prototype.execute = function (state, delay) {\n return (delay > 0 || this.closed) ?\n _super.prototype.execute.call(this, state, delay) :\n this._execute(state, delay);\n };\n QueueAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n return scheduler.flush(this);\n };\n return QueueAction;\n}(AsyncAction));\nexport { QueueAction };\n//# sourceMappingURL=QueueAction.js.map","import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map","import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = (function (_super) {\n __extends(QueueScheduler, _super);\n function QueueScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n return QueueScheduler;\n}(AsyncScheduler));\nexport { QueueScheduler };\n//# sourceMappingURL=QueueScheduler.js.map","import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nimport { queue } from './scheduler/queue';\nimport { Subscription } from './Subscription';\nimport { ObserveOnSubscriber } from './operators/observeOn';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nvar ReplaySubject = (function (_super) {\n __extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) { bufferSize = Number.POSITIVE_INFINITY; }\n if (windowTime === void 0) { windowTime = Number.POSITIVE_INFINITY; }\n var _this = _super.call(this) || this;\n _this.scheduler = scheduler;\n _this._events = [];\n _this._infiniteTimeWindow = false;\n _this._bufferSize = bufferSize < 1 ? 1 : bufferSize;\n _this._windowTime = windowTime < 1 ? 1 : windowTime;\n if (windowTime === Number.POSITIVE_INFINITY) {\n _this._infiniteTimeWindow = true;\n _this.next = _this.nextInfiniteTimeWindow;\n }\n else {\n _this.next = _this.nextTimeWindow;\n }\n return _this;\n }\n ReplaySubject.prototype.nextInfiniteTimeWindow = function (value) {\n var _events = this._events;\n _events.push(value);\n if (_events.length > this._bufferSize) {\n _events.shift();\n }\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype.nextTimeWindow = function (value) {\n this._events.push(new ReplayEvent(this._getNow(), value));\n this._trimBufferThenGetEvents();\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype._subscribe = function (subscriber) {\n var _infiniteTimeWindow = this._infiniteTimeWindow;\n var _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();\n var scheduler = this.scheduler;\n var len = _events.length;\n var subscription;\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.isStopped || this.hasError) {\n subscription = Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n subscription = new SubjectSubscription(this, subscriber);\n }\n if (scheduler) {\n subscriber.add(subscriber = new ObserveOnSubscriber(subscriber, scheduler));\n }\n if (_infiniteTimeWindow) {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i]);\n }\n }\n else {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i].value);\n }\n }\n if (this.hasError) {\n subscriber.error(this.thrownError);\n }\n else if (this.isStopped) {\n subscriber.complete();\n }\n return subscription;\n };\n ReplaySubject.prototype._getNow = function () {\n return (this.scheduler || queue).now();\n };\n ReplaySubject.prototype._trimBufferThenGetEvents = function () {\n var now = this._getNow();\n var _bufferSize = this._bufferSize;\n var _windowTime = this._windowTime;\n var _events = this._events;\n var eventsCount = _events.length;\n var spliceCount = 0;\n while (spliceCount < eventsCount) {\n if ((now - _events[spliceCount].time) < _windowTime) {\n break;\n }\n spliceCount++;\n }\n if (eventsCount > _bufferSize) {\n spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n }\n if (spliceCount > 0) {\n _events.splice(0, spliceCount);\n }\n return _events;\n };\n return ReplaySubject;\n}(Subject));\nexport { ReplaySubject };\nvar ReplayEvent = (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map","export default function _has(prop, obj) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}","import _has from \"./_has.js\";\nvar toString = Object.prototype.toString;\n\nvar _isArguments =\n/*#__PURE__*/\nfunction () {\n return toString.call(arguments) === '[object Arguments]' ? function _isArguments(x) {\n return toString.call(x) === '[object Arguments]';\n } : function _isArguments(x) {\n return _has('callee', x);\n };\n}();\n\nexport default _isArguments;","import _curry1 from \"./internal/_curry1.js\";\nimport _has from \"./internal/_has.js\";\nimport _isArguments from \"./internal/_isArguments.js\"; // cover IE < 9 keys issues\n\nvar hasEnumBug = !\n/*#__PURE__*/\n{\n toString: null\n}.propertyIsEnumerable('toString');\nvar nonEnumerableProps = ['constructor', 'valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; // Safari bug\n\nvar hasArgsEnumBug =\n/*#__PURE__*/\nfunction () {\n 'use strict';\n\n return arguments.propertyIsEnumerable('length');\n}();\n\nvar contains = function contains(list, item) {\n var idx = 0;\n\n while (idx < list.length) {\n if (list[idx] === item) {\n return true;\n }\n\n idx += 1;\n }\n\n return false;\n};\n/**\n * Returns a list containing the names of all the enumerable own properties of\n * the supplied object.\n * Note that the order of the output array is not guaranteed to be consistent\n * across different JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [k]\n * @param {Object} obj The object to extract properties from\n * @return {Array} An array of the object's own properties.\n * @see R.keysIn, R.values\n * @example\n *\n * R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c']\n */\n\n\nvar keys = typeof Object.keys === 'function' && !hasArgsEnumBug ?\n/*#__PURE__*/\n_curry1(function keys(obj) {\n return Object(obj) !== obj ? [] : Object.keys(obj);\n}) :\n/*#__PURE__*/\n_curry1(function keys(obj) {\n if (Object(obj) !== obj) {\n return [];\n }\n\n var prop, nIdx;\n var ks = [];\n\n var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n\n for (prop in obj) {\n if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n ks[ks.length] = prop;\n }\n }\n\n if (hasEnumBug) {\n nIdx = nonEnumerableProps.length - 1;\n\n while (nIdx >= 0) {\n prop = nonEnumerableProps[nIdx];\n\n if (_has(prop, obj) && !contains(ks, prop)) {\n ks[ks.length] = prop;\n }\n\n nIdx -= 1;\n }\n }\n\n return ks;\n});\nexport default keys;","import { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = (function () { return Object.prototype.toString; })();\nexport function fromEvent(target, eventName, options, resultSelector) {\n if (isFunction(options)) {\n resultSelector = options;\n options = undefined;\n }\n if (resultSelector) {\n return fromEvent(target, eventName, options).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n function handler(e) {\n if (arguments.length > 1) {\n subscriber.next(Array.prototype.slice.call(arguments));\n }\n else {\n subscriber.next(e);\n }\n }\n setupSubscription(target, eventName, handler, subscriber, options);\n });\n}\nfunction setupSubscription(sourceObj, eventName, handler, subscriber, options) {\n var unsubscribe;\n if (isEventTarget(sourceObj)) {\n var source_1 = sourceObj;\n sourceObj.addEventListener(eventName, handler, options);\n unsubscribe = function () { return source_1.removeEventListener(eventName, handler, options); };\n }\n else if (isJQueryStyleEventEmitter(sourceObj)) {\n var source_2 = sourceObj;\n sourceObj.on(eventName, handler);\n unsubscribe = function () { return source_2.off(eventName, handler); };\n }\n else if (isNodeStyleEventEmitter(sourceObj)) {\n var source_3 = sourceObj;\n sourceObj.addListener(eventName, handler);\n unsubscribe = function () { return source_3.removeListener(eventName, handler); };\n }\n else if (sourceObj && sourceObj.length) {\n for (var i = 0, len = sourceObj.length; i < len; i++) {\n setupSubscription(sourceObj[i], eventName, handler, subscriber, options);\n }\n }\n else {\n throw new TypeError('Invalid event target');\n }\n subscriber.add(unsubscribe);\n}\nfunction isNodeStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';\n}\nfunction isJQueryStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';\n}\nfunction isEventTarget(sourceObj) {\n return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';\n}\n//# sourceMappingURL=fromEvent.js.map","import { Observable } from '../Observable';\nimport { isScheduler } from '../util/isScheduler';\nimport { mergeAll } from '../operators/mergeAll';\nimport { fromArray } from './fromArray';\nexport function merge() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var concurrent = Number.POSITIVE_INFINITY;\n var scheduler = null;\n var last = observables[observables.length - 1];\n if (isScheduler(last)) {\n scheduler = observables.pop();\n if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {\n concurrent = observables.pop();\n }\n }\n else if (typeof last === 'number') {\n concurrent = observables.pop();\n }\n if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {\n return observables[0];\n }\n return mergeAll(concurrent)(fromArray(observables, scheduler));\n}\n//# sourceMappingURL=merge.js.map","import { ReplaySubject } from '../ReplaySubject';\nexport function shareReplay(configOrBufferSize, windowTime, scheduler) {\n var config;\n if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n config = configOrBufferSize;\n }\n else {\n config = {\n bufferSize: configOrBufferSize,\n windowTime: windowTime,\n refCount: false,\n scheduler: scheduler\n };\n }\n return function (source) { return source.lift(shareReplayOperator(config)); };\n}\nfunction shareReplayOperator(_a) {\n var _b = _a.bufferSize, bufferSize = _b === void 0 ? Number.POSITIVE_INFINITY : _b, _c = _a.windowTime, windowTime = _c === void 0 ? Number.POSITIVE_INFINITY : _c, useRefCount = _a.refCount, scheduler = _a.scheduler;\n var subject;\n var refCount = 0;\n var subscription;\n var hasError = false;\n var isComplete = false;\n return function shareReplayOperation(source) {\n refCount++;\n if (!subject || hasError) {\n hasError = false;\n subject = new ReplaySubject(bufferSize, windowTime, scheduler);\n subscription = source.subscribe({\n next: function (value) { subject.next(value); },\n error: function (err) {\n hasError = true;\n subject.error(err);\n },\n complete: function () {\n isComplete = true;\n subscription = undefined;\n subject.complete();\n },\n });\n }\n var innerSub = subject.subscribe(this);\n this.add(function () {\n refCount--;\n innerSub.unsubscribe();\n if (subscription && !isComplete && useRefCount && refCount === 0) {\n subscription.unsubscribe();\n subscription = undefined;\n subject = undefined;\n }\n });\n };\n}\n//# sourceMappingURL=shareReplay.js.map","import { distinctUntilChanged } from './distinctUntilChanged';\nexport function distinctUntilKeyChanged(key, compare) {\n return distinctUntilChanged(function (x, y) { return compare ? compare(x[key], y[key]) : x[key] === y[key]; });\n}\n//# sourceMappingURL=distinctUntilKeyChanged.js.map","import { __extends, __spreadArrays } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function withLatestFrom() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return function (source) {\n var project;\n if (typeof args[args.length - 1] === 'function') {\n project = args.pop();\n }\n var observables = args;\n return source.lift(new WithLatestFromOperator(observables, project));\n };\n}\nvar WithLatestFromOperator = (function () {\n function WithLatestFromOperator(observables, project) {\n this.observables = observables;\n this.project = project;\n }\n WithLatestFromOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));\n };\n return WithLatestFromOperator;\n}());\nvar WithLatestFromSubscriber = (function (_super) {\n __extends(WithLatestFromSubscriber, _super);\n function WithLatestFromSubscriber(destination, observables, project) {\n var _this = _super.call(this, destination) || this;\n _this.observables = observables;\n _this.project = project;\n _this.toRespond = [];\n var len = observables.length;\n _this.values = new Array(len);\n for (var i = 0; i < len; i++) {\n _this.toRespond.push(i);\n }\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n _this.add(subscribeToResult(_this, observable, observable, i));\n }\n return _this;\n }\n WithLatestFromSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.values[outerIndex] = innerValue;\n var toRespond = this.toRespond;\n if (toRespond.length > 0) {\n var found = toRespond.indexOf(outerIndex);\n if (found !== -1) {\n toRespond.splice(found, 1);\n }\n }\n };\n WithLatestFromSubscriber.prototype.notifyComplete = function () {\n };\n WithLatestFromSubscriber.prototype._next = function (value) {\n if (this.toRespond.length === 0) {\n var args = __spreadArrays([value], this.values);\n if (this.project) {\n this._tryProject(args);\n }\n else {\n this.destination.next(args);\n }\n }\n };\n WithLatestFromSubscriber.prototype._tryProject = function (args) {\n var result;\n try {\n result = this.project.apply(this, args);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return WithLatestFromSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=withLatestFrom.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function bufferCount(bufferSize, startBufferEvery) {\n if (startBufferEvery === void 0) { startBufferEvery = null; }\n return function bufferCountOperatorFunction(source) {\n return source.lift(new BufferCountOperator(bufferSize, startBufferEvery));\n };\n}\nvar BufferCountOperator = (function () {\n function BufferCountOperator(bufferSize, startBufferEvery) {\n this.bufferSize = bufferSize;\n this.startBufferEvery = startBufferEvery;\n if (!startBufferEvery || bufferSize === startBufferEvery) {\n this.subscriberClass = BufferCountSubscriber;\n }\n else {\n this.subscriberClass = BufferSkipCountSubscriber;\n }\n }\n BufferCountOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new this.subscriberClass(subscriber, this.bufferSize, this.startBufferEvery));\n };\n return BufferCountOperator;\n}());\nvar BufferCountSubscriber = (function (_super) {\n __extends(BufferCountSubscriber, _super);\n function BufferCountSubscriber(destination, bufferSize) {\n var _this = _super.call(this, destination) || this;\n _this.bufferSize = bufferSize;\n _this.buffer = [];\n return _this;\n }\n BufferCountSubscriber.prototype._next = function (value) {\n var buffer = this.buffer;\n buffer.push(value);\n if (buffer.length == this.bufferSize) {\n this.destination.next(buffer);\n this.buffer = [];\n }\n };\n BufferCountSubscriber.prototype._complete = function () {\n var buffer = this.buffer;\n if (buffer.length > 0) {\n this.destination.next(buffer);\n }\n _super.prototype._complete.call(this);\n };\n return BufferCountSubscriber;\n}(Subscriber));\nvar BufferSkipCountSubscriber = (function (_super) {\n __extends(BufferSkipCountSubscriber, _super);\n function BufferSkipCountSubscriber(destination, bufferSize, startBufferEvery) {\n var _this = _super.call(this, destination) || this;\n _this.bufferSize = bufferSize;\n _this.startBufferEvery = startBufferEvery;\n _this.buffers = [];\n _this.count = 0;\n return _this;\n }\n BufferSkipCountSubscriber.prototype._next = function (value) {\n var _a = this, bufferSize = _a.bufferSize, startBufferEvery = _a.startBufferEvery, buffers = _a.buffers, count = _a.count;\n this.count++;\n if (count % startBufferEvery === 0) {\n buffers.push([]);\n }\n for (var i = buffers.length; i--;) {\n var buffer = buffers[i];\n buffer.push(value);\n if (buffer.length === bufferSize) {\n buffers.splice(i, 1);\n this.destination.next(buffer);\n }\n }\n };\n BufferSkipCountSubscriber.prototype._complete = function () {\n var _a = this, buffers = _a.buffers, destination = _a.destination;\n while (buffers.length > 0) {\n var buffer = buffers.shift();\n if (buffer.length > 0) {\n destination.next(buffer);\n }\n }\n _super.prototype._complete.call(this);\n };\n return BufferSkipCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=bufferCount.js.map","import _curry1 from \"./_curry1.js\";\nimport _isPlaceholder from \"./_isPlaceholder.js\";\n/**\n * Optimized internal two-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\n\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\n });\n\n default:\n return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {\n return fn(_a, b);\n }) : _isPlaceholder(b) ? _curry1(function (_b) {\n return fn(a, _b);\n }) : fn(a, b);\n }\n };\n}","/**\n * Tests whether or not an object is an array.\n *\n * @private\n * @param {*} val The object to test.\n * @return {Boolean} `true` if `val` is an array, `false` otherwise.\n * @example\n *\n * _isArray([]); //=> true\n * _isArray(null); //=> false\n * _isArray({}); //=> false\n */\nexport default Array.isArray || function _isArray(val) {\n return val != null && val.length >= 0 && Object.prototype.toString.call(val) === '[object Array]';\n};","export default function _isTransformer(obj) {\n return obj != null && typeof obj['@@transducer/step'] === 'function';\n}","import _isArray from \"./_isArray.js\";\nimport _isTransformer from \"./_isTransformer.js\";\n/**\n * Returns a function that dispatches with different strategies based on the\n * object in list position (last argument). If it is an array, executes [fn].\n * Otherwise, if it has a function with one of the given method names, it will\n * execute that function (functor case). Otherwise, if it is a transformer,\n * uses transducer [xf] to return a new transformer (transducer case).\n * Otherwise, it will default to executing [fn].\n *\n * @private\n * @param {Array} methodNames properties to check for a custom implementation\n * @param {Function} xf transducer to initialize if object is transformer\n * @param {Function} fn default ramda implementation\n * @return {Function} A function that dispatches on object in list position\n */\n\nexport default function _dispatchable(methodNames, xf, fn) {\n return function () {\n if (arguments.length === 0) {\n return fn();\n }\n\n var args = Array.prototype.slice.call(arguments, 0);\n var obj = args.pop();\n\n if (!_isArray(obj)) {\n var idx = 0;\n\n while (idx < methodNames.length) {\n if (typeof obj[methodNames[idx]] === 'function') {\n return obj[methodNames[idx]].apply(obj, args);\n }\n\n idx += 1;\n }\n\n if (_isTransformer(obj)) {\n var transducer = xf.apply(null, args);\n return transducer(obj);\n }\n }\n\n return fn.apply(this, arguments);\n };\n}","export default {\n init: function () {\n return this.xf['@@transducer/init']();\n },\n result: function (result) {\n return this.xf['@@transducer/result'](result);\n }\n};","import _curry2 from \"./_curry2.js\";\nimport _xfBase from \"./_xfBase.js\";\n\nvar XFindLast =\n/*#__PURE__*/\nfunction () {\n function XFindLast(f, xf) {\n this.xf = xf;\n this.f = f;\n }\n\n XFindLast.prototype['@@transducer/init'] = _xfBase.init;\n\n XFindLast.prototype['@@transducer/result'] = function (result) {\n return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));\n };\n\n XFindLast.prototype['@@transducer/step'] = function (result, input) {\n if (this.f(input)) {\n this.last = input;\n }\n\n return result;\n };\n\n return XFindLast;\n}();\n\nvar _xfindLast =\n/*#__PURE__*/\n_curry2(function _xfindLast(f, xf) {\n return new XFindLast(f, xf);\n});\n\nexport default _xfindLast;","import _curry2 from \"./internal/_curry2.js\";\nimport _dispatchable from \"./internal/_dispatchable.js\";\nimport _xfindLast from \"./internal/_xfindLast.js\";\n/**\n * Returns the last element of the list which matches the predicate, or\n * `undefined` if no element matches.\n *\n * Acts as a transducer if a transformer is given in list position.\n *\n * @func\n * @memberOf R\n * @since v0.1.1\n * @category List\n * @sig (a -> Boolean) -> [a] -> a | undefined\n * @param {Function} fn The predicate function used to determine if the element is the\n * desired one.\n * @param {Array} list The array to consider.\n * @return {Object} The element found, or `undefined`.\n * @see R.transduce\n * @example\n *\n * const xs = [{a: 1, b: 0}, {a:1, b: 1}];\n * R.findLast(R.propEq('a', 1))(xs); //=> {a: 1, b: 1}\n * R.findLast(R.propEq('a', 4))(xs); //=> undefined\n */\n\nvar findLast =\n/*#__PURE__*/\n_curry2(\n/*#__PURE__*/\n_dispatchable([], _xfindLast, function findLast(fn, list) {\n var idx = list.length - 1;\n\n while (idx >= 0) {\n if (fn(list[idx])) {\n return list[idx];\n }\n\n idx -= 1;\n }\n}));\n\nexport default findLast;","import { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map","import { of } from './of';\nimport { concatAll } from '../operators/concatAll';\nexport function concat() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n return concatAll()(of.apply(void 0, observables));\n}\n//# sourceMappingURL=concat.js.map","import { concat } from '../observable/concat';\nimport { isScheduler } from '../util/isScheduler';\nexport function startWith() {\n var array = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n array[_i] = arguments[_i];\n }\n var scheduler = array[array.length - 1];\n if (isScheduler(scheduler)) {\n array.pop();\n return function (source) { return concat(array, source, scheduler); };\n }\n else {\n return function (source) { return concat(array, source); };\n }\n}\n//# sourceMappingURL=startWith.js.map","import { __extends } from \"tslib\";\nimport { async } from '../scheduler/async';\nimport { isDate } from '../util/isDate';\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function delay(delay, scheduler) {\n if (scheduler === void 0) { scheduler = async; }\n var absoluteDelay = isDate(delay);\n var delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(delay);\n return function (source) { return source.lift(new DelayOperator(delayFor, scheduler)); };\n}\nvar DelayOperator = (function () {\n function DelayOperator(delay, scheduler) {\n this.delay = delay;\n this.scheduler = scheduler;\n }\n DelayOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler));\n };\n return DelayOperator;\n}());\nvar DelaySubscriber = (function (_super) {\n __extends(DelaySubscriber, _super);\n function DelaySubscriber(destination, delay, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.delay = delay;\n _this.scheduler = scheduler;\n _this.queue = [];\n _this.active = false;\n _this.errored = false;\n return _this;\n }\n DelaySubscriber.dispatch = function (state) {\n var source = state.source;\n var queue = source.queue;\n var scheduler = state.scheduler;\n var destination = state.destination;\n while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) {\n queue.shift().notification.observe(destination);\n }\n if (queue.length > 0) {\n var delay_1 = Math.max(0, queue[0].time - scheduler.now());\n this.schedule(state, delay_1);\n }\n else {\n this.unsubscribe();\n source.active = false;\n }\n };\n DelaySubscriber.prototype._schedule = function (scheduler) {\n this.active = true;\n var destination = this.destination;\n destination.add(scheduler.schedule(DelaySubscriber.dispatch, this.delay, {\n source: this, destination: this.destination, scheduler: scheduler\n }));\n };\n DelaySubscriber.prototype.scheduleNotification = function (notification) {\n if (this.errored === true) {\n return;\n }\n var scheduler = this.scheduler;\n var message = new DelayMessage(scheduler.now() + this.delay, notification);\n this.queue.push(message);\n if (this.active === false) {\n this._schedule(scheduler);\n }\n };\n DelaySubscriber.prototype._next = function (value) {\n this.scheduleNotification(Notification.createNext(value));\n };\n DelaySubscriber.prototype._error = function (err) {\n this.errored = true;\n this.queue = [];\n this.destination.error(err);\n this.unsubscribe();\n };\n DelaySubscriber.prototype._complete = function () {\n this.scheduleNotification(Notification.createComplete());\n this.unsubscribe();\n };\n return DelaySubscriber;\n}(Subscriber));\nvar DelayMessage = (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map","export function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map","import _curry1 from \"./internal/_curry1.js\";\nimport _isString from \"./internal/_isString.js\";\n/**\n * Returns a new list or string with the elements or characters in reverse\n * order.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category List\n * @sig [a] -> [a]\n * @sig String -> String\n * @param {Array|String} list\n * @return {Array|String}\n * @example\n *\n * R.reverse([1, 2, 3]); //=> [3, 2, 1]\n * R.reverse([1, 2]); //=> [2, 1]\n * R.reverse([1]); //=> [1]\n * R.reverse([]); //=> []\n *\n * R.reverse('abc'); //=> 'cba'\n * R.reverse('ab'); //=> 'ba'\n * R.reverse('a'); //=> 'a'\n * R.reverse(''); //=> ''\n */\n\nvar reverse =\n/*#__PURE__*/\n_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\n\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = (function () {\n function MapToOperator(value) {\n this.value = value;\n }\n MapToOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapToSubscriber(subscriber, this.value));\n };\n return MapToOperator;\n}());\nvar MapToSubscriber = (function (_super) {\n __extends(MapToSubscriber, _super);\n function MapToSubscriber(destination, value) {\n var _this = _super.call(this, destination) || this;\n _this.value = value;\n return _this;\n }\n MapToSubscriber.prototype._next = function (x) {\n this.destination.next(this.value);\n };\n return MapToSubscriber;\n}(Subscriber));\n//# sourceMappingURL=mapTo.js.map","import { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nexport function fromEventPattern(addHandler, removeHandler, resultSelector) {\n if (resultSelector) {\n return fromEventPattern(addHandler, removeHandler).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n var handler = function () {\n var e = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n e[_i] = arguments[_i];\n }\n return subscriber.next(e.length === 1 ? e[0] : e);\n };\n var retValue;\n try {\n retValue = addHandler(handler);\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n if (!isFunction(removeHandler)) {\n return undefined;\n }\n return function () { return removeHandler(handler, retValue); };\n });\n}\n//# sourceMappingURL=fromEventPattern.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function filter(predicate, thisArg) {\n return function filterOperatorFunction(source) {\n return source.lift(new FilterOperator(predicate, thisArg));\n };\n}\nvar FilterOperator = (function () {\n function FilterOperator(predicate, thisArg) {\n this.predicate = predicate;\n this.thisArg = thisArg;\n }\n FilterOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));\n };\n return FilterOperator;\n}());\nvar FilterSubscriber = (function (_super) {\n __extends(FilterSubscriber, _super);\n function FilterSubscriber(destination, predicate, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.predicate = predicate;\n _this.thisArg = thisArg;\n _this.count = 0;\n return _this;\n }\n FilterSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.predicate.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n if (result) {\n this.destination.next(value);\n }\n };\n return FilterSubscriber;\n}(Subscriber));\n//# sourceMappingURL=filter.js.map","import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nvar BehaviorSubject = (function (_super) {\n __extends(BehaviorSubject, _super);\n function BehaviorSubject(_value) {\n var _this = _super.call(this) || this;\n _this._value = _value;\n return _this;\n }\n Object.defineProperty(BehaviorSubject.prototype, \"value\", {\n get: function () {\n return this.getValue();\n },\n enumerable: true,\n configurable: true\n });\n BehaviorSubject.prototype._subscribe = function (subscriber) {\n var subscription = _super.prototype._subscribe.call(this, subscriber);\n if (subscription && !subscription.closed) {\n subscriber.next(this._value);\n }\n return subscription;\n };\n BehaviorSubject.prototype.getValue = function () {\n if (this.hasError) {\n throw this.thrownError;\n }\n else if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return this._value;\n }\n };\n BehaviorSubject.prototype.next = function (value) {\n _super.prototype.next.call(this, this._value = value);\n };\n return BehaviorSubject;\n}(Subject));\nexport { BehaviorSubject };\n//# sourceMappingURL=BehaviorSubject.js.map","import { map } from './map';\nexport function pluck() {\n var properties = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n properties[_i] = arguments[_i];\n }\n var length = properties.length;\n if (length === 0) {\n throw new Error('list of properties cannot be empty.');\n }\n return function (source) { return map(plucker(properties, length))(source); };\n}\nfunction plucker(props, length) {\n var mapper = function (x) {\n var currentProp = x;\n for (var i = 0; i < length; i++) {\n var p = currentProp[props[i]];\n if (typeof p !== 'undefined') {\n currentProp = p;\n }\n else {\n return undefined;\n }\n }\n return currentProp;\n };\n return mapper;\n}\n//# sourceMappingURL=pluck.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport var defaultThrottleConfig = {\n leading: true,\n trailing: false\n};\nexport function throttle(durationSelector, config) {\n if (config === void 0) { config = defaultThrottleConfig; }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = (function () {\n function ThrottleOperator(durationSelector, leading, trailing) {\n this.durationSelector = durationSelector;\n this.leading = leading;\n this.trailing = trailing;\n }\n ThrottleOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ThrottleSubscriber(subscriber, this.durationSelector, this.leading, this.trailing));\n };\n return ThrottleOperator;\n}());\nvar ThrottleSubscriber = (function (_super) {\n __extends(ThrottleSubscriber, _super);\n function ThrottleSubscriber(destination, durationSelector, _leading, _trailing) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n _this.durationSelector = durationSelector;\n _this._leading = _leading;\n _this._trailing = _trailing;\n _this._hasValue = false;\n return _this;\n }\n ThrottleSubscriber.prototype._next = function (value) {\n this._hasValue = true;\n this._sendValue = value;\n if (!this._throttled) {\n if (this._leading) {\n this.send();\n }\n else {\n this.throttle(value);\n }\n }\n };\n ThrottleSubscriber.prototype.send = function () {\n var _a = this, _hasValue = _a._hasValue, _sendValue = _a._sendValue;\n if (_hasValue) {\n this.destination.next(_sendValue);\n this.throttle(_sendValue);\n }\n this._hasValue = false;\n this._sendValue = null;\n };\n ThrottleSubscriber.prototype.throttle = function (value) {\n var duration = this.tryDurationSelector(value);\n if (!!duration) {\n this.add(this._throttled = subscribeToResult(this, duration));\n }\n };\n ThrottleSubscriber.prototype.tryDurationSelector = function (value) {\n try {\n return this.durationSelector(value);\n }\n catch (err) {\n this.destination.error(err);\n return null;\n }\n };\n ThrottleSubscriber.prototype.throttlingDone = function () {\n var _a = this, _throttled = _a._throttled, _trailing = _a._trailing;\n if (_throttled) {\n _throttled.unsubscribe();\n }\n this._throttled = null;\n if (_trailing) {\n this.send();\n }\n };\n ThrottleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.throttlingDone();\n };\n ThrottleSubscriber.prototype.notifyComplete = function () {\n this.throttlingDone();\n };\n return ThrottleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=throttle.js.map","import { switchMap } from './switchMap';\nexport function switchMapTo(innerObservable, resultSelector) {\n return resultSelector ? switchMap(function () { return innerObservable; }, resultSelector) : switchMap(function () { return innerObservable; });\n}\n//# sourceMappingURL=switchMapTo.js.map","import { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = (function () {\n function SkipOperator(total) {\n this.total = total;\n }\n SkipOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SkipSubscriber(subscriber, this.total));\n };\n return SkipOperator;\n}());\nvar SkipSubscriber = (function (_super) {\n __extends(SkipSubscriber, _super);\n function SkipSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n SkipSubscriber.prototype._next = function (x) {\n if (++this.count > this.total) {\n this.destination.next(x);\n }\n };\n return SkipSubscriber;\n}(Subscriber));\n//# sourceMappingURL=skip.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function catchError(selector) {\n return function catchErrorOperatorFunction(source) {\n var operator = new CatchOperator(selector);\n var caught = source.lift(operator);\n return (operator.caught = caught);\n };\n}\nvar CatchOperator = (function () {\n function CatchOperator(selector) {\n this.selector = selector;\n }\n CatchOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CatchSubscriber(subscriber, this.selector, this.caught));\n };\n return CatchOperator;\n}());\nvar CatchSubscriber = (function (_super) {\n __extends(CatchSubscriber, _super);\n function CatchSubscriber(destination, selector, caught) {\n var _this = _super.call(this, destination) || this;\n _this.selector = selector;\n _this.caught = caught;\n return _this;\n }\n CatchSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var result = void 0;\n try {\n result = this.selector(err, this.caught);\n }\n catch (err2) {\n _super.prototype.error.call(this, err2);\n return;\n }\n this._unsubscribeAndRecycle();\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n this.add(innerSubscriber);\n var innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n if (innerSubscription !== innerSubscriber) {\n this.add(innerSubscription);\n }\n }\n };\n return CatchSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=catchError.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function sample(notifier) {\n return function (source) { return source.lift(new SampleOperator(notifier)); };\n}\nvar SampleOperator = (function () {\n function SampleOperator(notifier) {\n this.notifier = notifier;\n }\n SampleOperator.prototype.call = function (subscriber, source) {\n var sampleSubscriber = new SampleSubscriber(subscriber);\n var subscription = source.subscribe(sampleSubscriber);\n subscription.add(subscribeToResult(sampleSubscriber, this.notifier));\n return subscription;\n };\n return SampleOperator;\n}());\nvar SampleSubscriber = (function (_super) {\n __extends(SampleSubscriber, _super);\n function SampleSubscriber() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n _this.hasValue = false;\n return _this;\n }\n SampleSubscriber.prototype._next = function (value) {\n this.value = value;\n this.hasValue = true;\n };\n SampleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.emitValue();\n };\n SampleSubscriber.prototype.notifyComplete = function () {\n this.emitValue();\n };\n SampleSubscriber.prototype.emitValue = function () {\n if (this.hasValue) {\n this.hasValue = false;\n this.destination.next(this.value);\n }\n };\n return SampleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=sample.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { async } from '../scheduler/async';\nexport function debounceTime(dueTime, scheduler) {\n if (scheduler === void 0) { scheduler = async; }\n return function (source) { return source.lift(new DebounceTimeOperator(dueTime, scheduler)); };\n}\nvar DebounceTimeOperator = (function () {\n function DebounceTimeOperator(dueTime, scheduler) {\n this.dueTime = dueTime;\n this.scheduler = scheduler;\n }\n DebounceTimeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DebounceTimeSubscriber(subscriber, this.dueTime, this.scheduler));\n };\n return DebounceTimeOperator;\n}());\nvar DebounceTimeSubscriber = (function (_super) {\n __extends(DebounceTimeSubscriber, _super);\n function DebounceTimeSubscriber(destination, dueTime, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.dueTime = dueTime;\n _this.scheduler = scheduler;\n _this.debouncedSubscription = null;\n _this.lastValue = null;\n _this.hasValue = false;\n return _this;\n }\n DebounceTimeSubscriber.prototype._next = function (value) {\n this.clearDebounce();\n this.lastValue = value;\n this.hasValue = true;\n this.add(this.debouncedSubscription = this.scheduler.schedule(dispatchNext, this.dueTime, this));\n };\n DebounceTimeSubscriber.prototype._complete = function () {\n this.debouncedNext();\n this.destination.complete();\n };\n DebounceTimeSubscriber.prototype.debouncedNext = function () {\n this.clearDebounce();\n if (this.hasValue) {\n var lastValue = this.lastValue;\n this.lastValue = null;\n this.hasValue = false;\n this.destination.next(lastValue);\n }\n };\n DebounceTimeSubscriber.prototype.clearDebounce = function () {\n var debouncedSubscription = this.debouncedSubscription;\n if (debouncedSubscription !== null) {\n this.remove(debouncedSubscription);\n debouncedSubscription.unsubscribe();\n this.debouncedSubscription = null;\n }\n };\n return DebounceTimeSubscriber;\n}(Subscriber));\nfunction dispatchNext(subscriber) {\n subscriber.debouncedNext();\n}\n//# sourceMappingURL=debounceTime.js.map","import { defer } from './defer';\nimport { EMPTY } from './empty';\nexport function iif(condition, trueResult, falseResult) {\n if (trueResult === void 0) { trueResult = EMPTY; }\n if (falseResult === void 0) { falseResult = EMPTY; }\n return defer(function () { return condition() ? trueResult : falseResult; });\n}\n//# sourceMappingURL=iif.js.map","import _curry1 from \"./internal/_curry1.js\";\nimport keys from \"./keys.js\";\n/**\n * Returns a list of all the enumerable own properties of the supplied object.\n * Note that the order of the output array is not guaranteed across different\n * JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [v]\n * @param {Object} obj The object to extract values from\n * @return {Array} An array of the values of the object's own properties.\n * @see R.valuesIn, R.keys\n * @example\n *\n * R.values({a: 1, b: 2, c: 3}); //=> [1, 2, 3]\n */\n\nvar values =\n/*#__PURE__*/\n_curry1(function values(obj) {\n var props = keys(obj);\n var len = props.length;\n var vals = [];\n var idx = 0;\n\n while (idx < len) {\n vals[idx] = obj[props[idx]];\n idx += 1;\n }\n\n return vals;\n});\n\nexport default values;","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function refCount() {\n return function refCountOperatorFunction(source) {\n return source.lift(new RefCountOperator(source));\n };\n}\nvar RefCountOperator = (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = (function (_super) {\n __extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=refCount.js.map","import { __extends } from \"tslib\";\nimport { SubjectSubscriber } from '../Subject';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { refCount as higherOrderRefCount } from '../operators/refCount';\nvar ConnectableObservable = (function (_super) {\n __extends(ConnectableObservable, _super);\n function ConnectableObservable(source, subjectFactory) {\n var _this = _super.call(this) || this;\n _this.source = source;\n _this.subjectFactory = subjectFactory;\n _this._refCount = 0;\n _this._isComplete = false;\n return _this;\n }\n ConnectableObservable.prototype._subscribe = function (subscriber) {\n return this.getSubject().subscribe(subscriber);\n };\n ConnectableObservable.prototype.getSubject = function () {\n var subject = this._subject;\n if (!subject || subject.isStopped) {\n this._subject = this.subjectFactory();\n }\n return this._subject;\n };\n ConnectableObservable.prototype.connect = function () {\n var connection = this._connection;\n if (!connection) {\n this._isComplete = false;\n connection = this._connection = new Subscription();\n connection.add(this.source\n .subscribe(new ConnectableSubscriber(this.getSubject(), this)));\n if (connection.closed) {\n this._connection = null;\n connection = Subscription.EMPTY;\n }\n }\n return connection;\n };\n ConnectableObservable.prototype.refCount = function () {\n return higherOrderRefCount()(this);\n };\n return ConnectableObservable;\n}(Observable));\nexport { ConnectableObservable };\nexport var connectableObservableDescriptor = (function () {\n var connectableProto = ConnectableObservable.prototype;\n return {\n operator: { value: null },\n _refCount: { value: 0, writable: true },\n _subject: { value: null, writable: true },\n _connection: { value: null, writable: true },\n _subscribe: { value: connectableProto._subscribe },\n _isComplete: { value: connectableProto._isComplete, writable: true },\n getSubject: { value: connectableProto.getSubject },\n connect: { value: connectableProto.connect },\n refCount: { value: connectableProto.refCount }\n };\n})();\nvar ConnectableSubscriber = (function (_super) {\n __extends(ConnectableSubscriber, _super);\n function ConnectableSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n ConnectableSubscriber.prototype._error = function (err) {\n this._unsubscribe();\n _super.prototype._error.call(this, err);\n };\n ConnectableSubscriber.prototype._complete = function () {\n this.connectable._isComplete = true;\n this._unsubscribe();\n _super.prototype._complete.call(this);\n };\n ConnectableSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (connectable) {\n this.connectable = null;\n var connection = connectable._connection;\n connectable._refCount = 0;\n connectable._subject = null;\n connectable._connection = null;\n if (connection) {\n connection.unsubscribe();\n }\n }\n };\n return ConnectableSubscriber;\n}(SubjectSubscriber));\nvar RefCountOperator = (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = (function (_super) {\n __extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=ConnectableObservable.js.map","import { connectableObservableDescriptor } from '../observable/ConnectableObservable';\nexport function multicast(subjectOrSubjectFactory, selector) {\n return function multicastOperatorFunction(source) {\n var subjectFactory;\n if (typeof subjectOrSubjectFactory === 'function') {\n subjectFactory = subjectOrSubjectFactory;\n }\n else {\n subjectFactory = function subjectFactory() {\n return subjectOrSubjectFactory;\n };\n }\n if (typeof selector === 'function') {\n return source.lift(new MulticastOperator(subjectFactory, selector));\n }\n var connectable = Object.create(source, connectableObservableDescriptor);\n connectable.source = source;\n connectable.subjectFactory = subjectFactory;\n return connectable;\n };\n}\nvar MulticastOperator = (function () {\n function MulticastOperator(subjectFactory, selector) {\n this.subjectFactory = subjectFactory;\n this.selector = selector;\n }\n MulticastOperator.prototype.call = function (subscriber, source) {\n var selector = this.selector;\n var subject = this.subjectFactory();\n var subscription = selector(subject).subscribe(subscriber);\n subscription.add(source.subscribe(subject));\n return subscription;\n };\n return MulticastOperator;\n}());\nexport { MulticastOperator };\n//# sourceMappingURL=multicast.js.map","import { multicast } from './multicast';\nimport { refCount } from './refCount';\nimport { Subject } from '../Subject';\nfunction shareSubjectFactory() {\n return new Subject();\n}\nexport function share() {\n return function (source) { return refCount()(multicast(shareSubjectFactory)(source)); };\n}\n//# sourceMappingURL=share.js.map","var ArgumentOutOfRangeErrorImpl = (function () {\n function ArgumentOutOfRangeErrorImpl() {\n Error.call(this);\n this.message = 'argument out of range';\n this.name = 'ArgumentOutOfRangeError';\n return this;\n }\n ArgumentOutOfRangeErrorImpl.prototype = Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nexport function take(count) {\n return function (source) {\n if (count === 0) {\n return empty();\n }\n else {\n return source.lift(new TakeOperator(count));\n }\n };\n}\nvar TakeOperator = (function () {\n function TakeOperator(total) {\n this.total = total;\n if (this.total < 0) {\n throw new ArgumentOutOfRangeError;\n }\n }\n TakeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TakeSubscriber(subscriber, this.total));\n };\n return TakeOperator;\n}());\nvar TakeSubscriber = (function (_super) {\n __extends(TakeSubscriber, _super);\n function TakeSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n TakeSubscriber.prototype._next = function (value) {\n var total = this.total;\n var count = ++this.count;\n if (count <= total) {\n this.destination.next(value);\n if (count === total) {\n this.destination.complete();\n this.unsubscribe();\n }\n }\n };\n return TakeSubscriber;\n}(Subscriber));\n//# sourceMappingURL=take.js.map","import { __extends } from \"tslib\";\nimport { root } from '../../util/root';\nimport { Observable } from '../../Observable';\nimport { Subscriber } from '../../Subscriber';\nimport { map } from '../../operators/map';\nfunction getCORSRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else if (!!root.XDomainRequest) {\n return new root.XDomainRequest();\n }\n else {\n throw new Error('CORS is not supported by your browser');\n }\n}\nfunction getXMLHttpRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else {\n var progId = void 0;\n try {\n var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];\n for (var i = 0; i < 3; i++) {\n try {\n progId = progIds[i];\n if (new root.ActiveXObject(progId)) {\n break;\n }\n }\n catch (e) {\n }\n }\n return new root.ActiveXObject(progId);\n }\n catch (e) {\n throw new Error('XMLHttpRequest is not supported by your browser');\n }\n }\n}\nexport function ajaxGet(url, headers) {\n if (headers === void 0) { headers = null; }\n return new AjaxObservable({ method: 'GET', url: url, headers: headers });\n}\nexport function ajaxPost(url, body, headers) {\n return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers });\n}\nexport function ajaxDelete(url, headers) {\n return new AjaxObservable({ method: 'DELETE', url: url, headers: headers });\n}\nexport function ajaxPut(url, body, headers) {\n return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers });\n}\nexport function ajaxPatch(url, body, headers) {\n return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers });\n}\nvar mapResponse = map(function (x, index) { return x.response; });\nexport function ajaxGetJSON(url, headers) {\n return mapResponse(new AjaxObservable({\n method: 'GET',\n url: url,\n responseType: 'json',\n headers: headers\n }));\n}\nvar AjaxObservable = (function (_super) {\n __extends(AjaxObservable, _super);\n function AjaxObservable(urlOrRequest) {\n var _this = _super.call(this) || this;\n var request = {\n async: true,\n createXHR: function () {\n return this.crossDomain ? getCORSRequest() : getXMLHttpRequest();\n },\n crossDomain: true,\n withCredentials: false,\n headers: {},\n method: 'GET',\n responseType: 'json',\n timeout: 0\n };\n if (typeof urlOrRequest === 'string') {\n request.url = urlOrRequest;\n }\n else {\n for (var prop in urlOrRequest) {\n if (urlOrRequest.hasOwnProperty(prop)) {\n request[prop] = urlOrRequest[prop];\n }\n }\n }\n _this.request = request;\n return _this;\n }\n AjaxObservable.prototype._subscribe = function (subscriber) {\n return new AjaxSubscriber(subscriber, this.request);\n };\n AjaxObservable.create = (function () {\n var create = function (urlOrRequest) {\n return new AjaxObservable(urlOrRequest);\n };\n create.get = ajaxGet;\n create.post = ajaxPost;\n create.delete = ajaxDelete;\n create.put = ajaxPut;\n create.patch = ajaxPatch;\n create.getJSON = ajaxGetJSON;\n return create;\n })();\n return AjaxObservable;\n}(Observable));\nexport { AjaxObservable };\nvar AjaxSubscriber = (function (_super) {\n __extends(AjaxSubscriber, _super);\n function AjaxSubscriber(destination, request) {\n var _this = _super.call(this, destination) || this;\n _this.request = request;\n _this.done = false;\n var headers = request.headers = request.headers || {};\n if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) {\n headers['X-Requested-With'] = 'XMLHttpRequest';\n }\n var contentTypeHeader = _this.getHeader(headers, 'Content-Type');\n if (!contentTypeHeader && !(root.FormData && request.body instanceof root.FormData) && typeof request.body !== 'undefined') {\n headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';\n }\n request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type'));\n _this.send();\n return _this;\n }\n AjaxSubscriber.prototype.next = function (e) {\n this.done = true;\n var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination;\n var result;\n try {\n result = new AjaxResponse(e, xhr, request);\n }\n catch (err) {\n return destination.error(err);\n }\n destination.next(result);\n };\n AjaxSubscriber.prototype.send = function () {\n var _a = this, request = _a.request, _b = _a.request, user = _b.user, method = _b.method, url = _b.url, async = _b.async, password = _b.password, headers = _b.headers, body = _b.body;\n try {\n var xhr = this.xhr = request.createXHR();\n this.setupEvents(xhr, request);\n if (user) {\n xhr.open(method, url, async, user, password);\n }\n else {\n xhr.open(method, url, async);\n }\n if (async) {\n xhr.timeout = request.timeout;\n xhr.responseType = request.responseType;\n }\n if ('withCredentials' in xhr) {\n xhr.withCredentials = !!request.withCredentials;\n }\n this.setHeaders(xhr, headers);\n if (body) {\n xhr.send(body);\n }\n else {\n xhr.send();\n }\n }\n catch (err) {\n this.error(err);\n }\n };\n AjaxSubscriber.prototype.serializeBody = function (body, contentType) {\n if (!body || typeof body === 'string') {\n return body;\n }\n else if (root.FormData && body instanceof root.FormData) {\n return body;\n }\n if (contentType) {\n var splitIndex = contentType.indexOf(';');\n if (splitIndex !== -1) {\n contentType = contentType.substring(0, splitIndex);\n }\n }\n switch (contentType) {\n case 'application/x-www-form-urlencoded':\n return Object.keys(body).map(function (key) { return encodeURIComponent(key) + \"=\" + encodeURIComponent(body[key]); }).join('&');\n case 'application/json':\n return JSON.stringify(body);\n default:\n return body;\n }\n };\n AjaxSubscriber.prototype.setHeaders = function (xhr, headers) {\n for (var key in headers) {\n if (headers.hasOwnProperty(key)) {\n xhr.setRequestHeader(key, headers[key]);\n }\n }\n };\n AjaxSubscriber.prototype.getHeader = function (headers, headerName) {\n for (var key in headers) {\n if (key.toLowerCase() === headerName.toLowerCase()) {\n return headers[key];\n }\n }\n return undefined;\n };\n AjaxSubscriber.prototype.setupEvents = function (xhr, request) {\n var progressSubscriber = request.progressSubscriber;\n function xhrTimeout(e) {\n var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxTimeoutError(this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n xhr.ontimeout = xhrTimeout;\n xhrTimeout.request = request;\n xhrTimeout.subscriber = this;\n xhrTimeout.progressSubscriber = progressSubscriber;\n if (xhr.upload && 'withCredentials' in xhr) {\n if (progressSubscriber) {\n var xhrProgress_1;\n xhrProgress_1 = function (e) {\n var progressSubscriber = xhrProgress_1.progressSubscriber;\n progressSubscriber.next(e);\n };\n if (root.XDomainRequest) {\n xhr.onprogress = xhrProgress_1;\n }\n else {\n xhr.upload.onprogress = xhrProgress_1;\n }\n xhrProgress_1.progressSubscriber = progressSubscriber;\n }\n var xhrError_1;\n xhrError_1 = function (e) {\n var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxError('ajax error', this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n };\n xhr.onerror = xhrError_1;\n xhrError_1.request = request;\n xhrError_1.subscriber = this;\n xhrError_1.progressSubscriber = progressSubscriber;\n }\n function xhrReadyStateChange(e) {\n return;\n }\n xhr.onreadystatechange = xhrReadyStateChange;\n xhrReadyStateChange.subscriber = this;\n xhrReadyStateChange.progressSubscriber = progressSubscriber;\n xhrReadyStateChange.request = request;\n function xhrLoad(e) {\n var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (this.readyState === 4) {\n var status_1 = this.status === 1223 ? 204 : this.status;\n var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response);\n if (status_1 === 0) {\n status_1 = response ? 200 : 0;\n }\n if (status_1 < 400) {\n if (progressSubscriber) {\n progressSubscriber.complete();\n }\n subscriber.next(e);\n subscriber.complete();\n }\n else {\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error = void 0;\n try {\n error = new AjaxError('ajax error ' + status_1, this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n }\n }\n xhr.onload = xhrLoad;\n xhrLoad.subscriber = this;\n xhrLoad.progressSubscriber = progressSubscriber;\n xhrLoad.request = request;\n };\n AjaxSubscriber.prototype.unsubscribe = function () {\n var _a = this, done = _a.done, xhr = _a.xhr;\n if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') {\n xhr.abort();\n }\n _super.prototype.unsubscribe.call(this);\n };\n return AjaxSubscriber;\n}(Subscriber));\nexport { AjaxSubscriber };\nvar AjaxResponse = (function () {\n function AjaxResponse(originalEvent, xhr, request) {\n this.originalEvent = originalEvent;\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n }\n return AjaxResponse;\n}());\nexport { AjaxResponse };\nvar AjaxErrorImpl = (function () {\n function AjaxErrorImpl(message, xhr, request) {\n Error.call(this);\n this.message = message;\n this.name = 'AjaxError';\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n return this;\n }\n AjaxErrorImpl.prototype = Object.create(Error.prototype);\n return AjaxErrorImpl;\n})();\nexport var AjaxError = AjaxErrorImpl;\nfunction parseJson(xhr) {\n if ('response' in xhr) {\n return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null');\n }\n else {\n return JSON.parse(xhr.responseText || 'null');\n }\n}\nfunction parseXhrResponse(responseType, xhr) {\n switch (responseType) {\n case 'json':\n return parseJson(xhr);\n case 'xml':\n return xhr.responseXML;\n case 'text':\n default:\n return ('response' in xhr) ? xhr.response : xhr.responseText;\n }\n}\nfunction AjaxTimeoutErrorImpl(xhr, request) {\n AjaxError.call(this, 'ajax timeout', xhr, request);\n this.name = 'AjaxTimeoutError';\n return this;\n}\nexport var AjaxTimeoutError = AjaxTimeoutErrorImpl;\n//# sourceMappingURL=AjaxObservable.js.map","import { AjaxObservable } from './AjaxObservable';\nexport var ajax = (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map","export default function _identity(x) {\n return x;\n}","import _curry1 from \"./internal/_curry1.js\";\nimport _identity from \"./internal/_identity.js\";\n/**\n * A function that does nothing but return the parameter supplied to it. Good\n * as a default or placeholder function.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Function\n * @sig a -> a\n * @param {*} x The value to return.\n * @return {*} The input value, `x`.\n * @example\n *\n * R.identity(1); //=> 1\n *\n * const obj = {};\n * R.identity(obj) === obj; //=> true\n * @symb R.identity(a) = a\n */\n\nvar identity =\n/*#__PURE__*/\n_curry1(_identity);\n\nexport default identity;"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/javascripts/vendor.5b460a48.min.js b/material/assets/javascripts/vendor.f45d2d8d.min.js similarity index 90% rename from material/assets/javascripts/vendor.5b460a48.min.js rename to material/assets/javascripts/vendor.f45d2d8d.min.js index 74a37169a..e3c044b97 100644 --- a/material/assets/javascripts/vendor.5b460a48.min.js +++ b/material/assets/javascripts/vendor.f45d2d8d.min.js @@ -27,5 +27,5 @@ var r;r=function(){return function(t){var e={};function n(r){if(e[r])return e[r] * 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*****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","import { __extends } from \"tslib\";\nimport { isFunction } from './util/isFunction';\nimport { empty as emptyObserver } from './Observer';\nimport { Subscription } from './Subscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nimport { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nvar Subscriber = (function (_super) {\n __extends(Subscriber, _super);\n function Subscriber(destinationOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this.syncErrorValue = null;\n _this.syncErrorThrown = false;\n _this.syncErrorThrowable = false;\n _this.isStopped = false;\n switch (arguments.length) {\n case 0:\n _this.destination = emptyObserver;\n break;\n case 1:\n if (!destinationOrNext) {\n _this.destination = emptyObserver;\n break;\n }\n if (typeof destinationOrNext === 'object') {\n if (destinationOrNext instanceof Subscriber) {\n _this.syncErrorThrowable = destinationOrNext.syncErrorThrowable;\n _this.destination = destinationOrNext;\n destinationOrNext.add(_this);\n }\n else {\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext);\n }\n break;\n }\n default:\n _this.syncErrorThrowable = true;\n _this.destination = new SafeSubscriber(_this, destinationOrNext, error, complete);\n break;\n }\n return _this;\n }\n Subscriber.prototype[rxSubscriberSymbol] = function () { return this; };\n Subscriber.create = function (next, error, complete) {\n var subscriber = new Subscriber(next, error, complete);\n subscriber.syncErrorThrowable = false;\n return subscriber;\n };\n Subscriber.prototype.next = function (value) {\n if (!this.isStopped) {\n this._next(value);\n }\n };\n Subscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n this.isStopped = true;\n this._error(err);\n }\n };\n Subscriber.prototype.complete = function () {\n if (!this.isStopped) {\n this.isStopped = true;\n this._complete();\n }\n };\n Subscriber.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.isStopped = true;\n _super.prototype.unsubscribe.call(this);\n };\n Subscriber.prototype._next = function (value) {\n this.destination.next(value);\n };\n Subscriber.prototype._error = function (err) {\n this.destination.error(err);\n this.unsubscribe();\n };\n Subscriber.prototype._complete = function () {\n this.destination.complete();\n this.unsubscribe();\n };\n Subscriber.prototype._unsubscribeAndRecycle = function () {\n var _parentOrParents = this._parentOrParents;\n this._parentOrParents = null;\n this.unsubscribe();\n this.closed = false;\n this.isStopped = false;\n this._parentOrParents = _parentOrParents;\n return this;\n };\n return Subscriber;\n}(Subscription));\nexport { Subscriber };\nvar SafeSubscriber = (function (_super) {\n __extends(SafeSubscriber, _super);\n function SafeSubscriber(_parentSubscriber, observerOrNext, error, complete) {\n var _this = _super.call(this) || this;\n _this._parentSubscriber = _parentSubscriber;\n var next;\n var context = _this;\n if (isFunction(observerOrNext)) {\n next = observerOrNext;\n }\n else if (observerOrNext) {\n next = observerOrNext.next;\n error = observerOrNext.error;\n complete = observerOrNext.complete;\n if (observerOrNext !== emptyObserver) {\n context = Object.create(observerOrNext);\n if (isFunction(context.unsubscribe)) {\n _this.add(context.unsubscribe.bind(context));\n }\n context.unsubscribe = _this.unsubscribe.bind(_this);\n }\n }\n _this._context = context;\n _this._next = next;\n _this._error = error;\n _this._complete = complete;\n return _this;\n }\n SafeSubscriber.prototype.next = function (value) {\n if (!this.isStopped && this._next) {\n var _parentSubscriber = this._parentSubscriber;\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._next, value);\n }\n else if (this.__tryOrSetError(_parentSubscriber, this._next, value)) {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n var useDeprecatedSynchronousErrorHandling = config.useDeprecatedSynchronousErrorHandling;\n if (this._error) {\n if (!useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(this._error, err);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, this._error, err);\n this.unsubscribe();\n }\n }\n else if (!_parentSubscriber.syncErrorThrowable) {\n this.unsubscribe();\n if (useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n hostReportError(err);\n }\n else {\n if (useDeprecatedSynchronousErrorHandling) {\n _parentSubscriber.syncErrorValue = err;\n _parentSubscriber.syncErrorThrown = true;\n }\n else {\n hostReportError(err);\n }\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.complete = function () {\n var _this = this;\n if (!this.isStopped) {\n var _parentSubscriber = this._parentSubscriber;\n if (this._complete) {\n var wrappedComplete = function () { return _this._complete.call(_this._context); };\n if (!config.useDeprecatedSynchronousErrorHandling || !_parentSubscriber.syncErrorThrowable) {\n this.__tryOrUnsub(wrappedComplete);\n this.unsubscribe();\n }\n else {\n this.__tryOrSetError(_parentSubscriber, wrappedComplete);\n this.unsubscribe();\n }\n }\n else {\n this.unsubscribe();\n }\n }\n };\n SafeSubscriber.prototype.__tryOrUnsub = function (fn, value) {\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n this.unsubscribe();\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n }\n };\n SafeSubscriber.prototype.__tryOrSetError = function (parent, fn, value) {\n if (!config.useDeprecatedSynchronousErrorHandling) {\n throw new Error('bad call');\n }\n try {\n fn.call(this._context, value);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n parent.syncErrorValue = err;\n parent.syncErrorThrown = true;\n return true;\n }\n else {\n hostReportError(err);\n return true;\n }\n }\n return false;\n };\n SafeSubscriber.prototype._unsubscribe = function () {\n var _parentSubscriber = this._parentSubscriber;\n this._context = null;\n this._parentSubscriber = null;\n _parentSubscriber.unsubscribe();\n };\n return SafeSubscriber;\n}(Subscriber));\nexport { SafeSubscriber };\n//# sourceMappingURL=Subscriber.js.map","import { canReportError } from './util/canReportError';\nimport { toSubscriber } from './util/toSubscriber';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nvar Observable = (function () {\n function Observable(subscribe) {\n this._isScalar = false;\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n Observable.prototype.lift = function (operator) {\n var observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n };\n Observable.prototype.subscribe = function (observerOrNext, error, complete) {\n var operator = this.operator;\n var sink = toSubscriber(observerOrNext, error, complete);\n if (operator) {\n sink.add(operator.call(sink, this.source));\n }\n else {\n sink.add(this.source || (config.useDeprecatedSynchronousErrorHandling && !sink.syncErrorThrowable) ?\n this._subscribe(sink) :\n this._trySubscribe(sink));\n }\n if (config.useDeprecatedSynchronousErrorHandling) {\n if (sink.syncErrorThrowable) {\n sink.syncErrorThrowable = false;\n if (sink.syncErrorThrown) {\n throw sink.syncErrorValue;\n }\n }\n }\n return sink;\n };\n Observable.prototype._trySubscribe = function (sink) {\n try {\n return this._subscribe(sink);\n }\n catch (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n sink.syncErrorThrown = true;\n sink.syncErrorValue = err;\n }\n if (canReportError(sink)) {\n sink.error(err);\n }\n else {\n console.warn(err);\n }\n }\n };\n Observable.prototype.forEach = function (next, promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var subscription;\n subscription = _this.subscribe(function (value) {\n try {\n next(value);\n }\n catch (err) {\n reject(err);\n if (subscription) {\n subscription.unsubscribe();\n }\n }\n }, reject, resolve);\n });\n };\n Observable.prototype._subscribe = function (subscriber) {\n var source = this.source;\n return source && source.subscribe(subscriber);\n };\n Observable.prototype[Symbol_observable] = function () {\n return this;\n };\n Observable.prototype.pipe = function () {\n var operations = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n operations[_i] = arguments[_i];\n }\n if (operations.length === 0) {\n return this;\n }\n return pipeFromArray(operations)(this);\n };\n Observable.prototype.toPromise = function (promiseCtor) {\n var _this = this;\n promiseCtor = getPromiseCtor(promiseCtor);\n return new promiseCtor(function (resolve, reject) {\n var value;\n _this.subscribe(function (x) { return value = x; }, function (err) { return reject(err); }, function () { return resolve(value); });\n });\n };\n Observable.create = function (subscribe) {\n return new Observable(subscribe);\n };\n return Observable;\n}());\nexport { Observable };\nfunction getPromiseCtor(promiseCtor) {\n if (!promiseCtor) {\n promiseCtor = config.Promise || Promise;\n }\n if (!promiseCtor) {\n throw new Error('no Promise impl found');\n }\n return promiseCtor;\n}\n//# sourceMappingURL=Observable.js.map","import { Subscriber } from '../Subscriber';\nimport { rxSubscriber as rxSubscriberSymbol } from '../symbol/rxSubscriber';\nimport { empty as emptyObserver } from '../Observer';\nexport function toSubscriber(nextOrObserver, error, complete) {\n if (nextOrObserver) {\n if (nextOrObserver instanceof Subscriber) {\n return nextOrObserver;\n }\n if (nextOrObserver[rxSubscriberSymbol]) {\n return nextOrObserver[rxSubscriberSymbol]();\n }\n }\n if (!nextOrObserver && !error && !complete) {\n return new Subscriber(emptyObserver);\n }\n return new Subscriber(nextOrObserver, error, complete);\n}\n//# sourceMappingURL=toSubscriber.js.map","import { Subscriber } from '../Subscriber';\nexport function canReportError(observer) {\n while (observer) {\n var _a = observer, closed_1 = _a.closed, destination = _a.destination, isStopped = _a.isStopped;\n if (closed_1 || isStopped) {\n return false;\n }\n else if (destination && destination instanceof Subscriber) {\n observer = destination;\n }\n else {\n observer = null;\n }\n }\n return true;\n}\n//# sourceMappingURL=canReportError.js.map","var UnsubscriptionErrorImpl = (function () {\n function UnsubscriptionErrorImpl(errors) {\n Error.call(this);\n this.message = errors ?\n errors.length + \" errors occurred during unsubscription:\\n\" + errors.map(function (err, i) { return i + 1 + \") \" + err.toString(); }).join('\\n ') : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n return this;\n }\n UnsubscriptionErrorImpl.prototype = Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map","import { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = (function () {\n function Subscription(unsubscribe) {\n this.closed = false;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (unsubscribe) {\n this._unsubscribe = unsubscribe;\n }\n }\n Subscription.prototype.unsubscribe = function () {\n var errors;\n if (this.closed) {\n return;\n }\n var _a = this, _parentOrParents = _a._parentOrParents, _unsubscribe = _a._unsubscribe, _subscriptions = _a._subscriptions;\n this.closed = true;\n this._parentOrParents = null;\n this._subscriptions = null;\n if (_parentOrParents instanceof Subscription) {\n _parentOrParents.remove(this);\n }\n else if (_parentOrParents !== null) {\n for (var index = 0; index < _parentOrParents.length; ++index) {\n var parent_1 = _parentOrParents[index];\n parent_1.remove(this);\n }\n }\n if (isFunction(_unsubscribe)) {\n try {\n _unsubscribe.call(this);\n }\n catch (e) {\n errors = e instanceof UnsubscriptionError ? flattenUnsubscriptionErrors(e.errors) : [e];\n }\n }\n if (isArray(_subscriptions)) {\n var index = -1;\n var len = _subscriptions.length;\n while (++index < len) {\n var sub = _subscriptions[index];\n if (isObject(sub)) {\n try {\n sub.unsubscribe();\n }\n catch (e) {\n errors = errors || [];\n if (e instanceof UnsubscriptionError) {\n errors = errors.concat(flattenUnsubscriptionErrors(e.errors));\n }\n else {\n errors.push(e);\n }\n }\n }\n }\n }\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n };\n Subscription.prototype.add = function (teardown) {\n var subscription = teardown;\n if (!teardown) {\n return Subscription.EMPTY;\n }\n switch (typeof teardown) {\n case 'function':\n subscription = new Subscription(teardown);\n case 'object':\n if (subscription === this || subscription.closed || typeof subscription.unsubscribe !== 'function') {\n return subscription;\n }\n else if (this.closed) {\n subscription.unsubscribe();\n return subscription;\n }\n else if (!(subscription instanceof Subscription)) {\n var tmp = subscription;\n subscription = new Subscription();\n subscription._subscriptions = [tmp];\n }\n break;\n default: {\n throw new Error('unrecognized teardown ' + teardown + ' added to Subscription.');\n }\n }\n var _parentOrParents = subscription._parentOrParents;\n if (_parentOrParents === null) {\n subscription._parentOrParents = this;\n }\n else if (_parentOrParents instanceof Subscription) {\n if (_parentOrParents === this) {\n return subscription;\n }\n subscription._parentOrParents = [_parentOrParents, this];\n }\n else if (_parentOrParents.indexOf(this) === -1) {\n _parentOrParents.push(this);\n }\n else {\n return subscription;\n }\n var subscriptions = this._subscriptions;\n if (subscriptions === null) {\n this._subscriptions = [subscription];\n }\n else {\n subscriptions.push(subscription);\n }\n return subscription;\n };\n Subscription.prototype.remove = function (subscription) {\n var subscriptions = this._subscriptions;\n if (subscriptions) {\n var subscriptionIndex = subscriptions.indexOf(subscription);\n if (subscriptionIndex !== -1) {\n subscriptions.splice(subscriptionIndex, 1);\n }\n }\n };\n Subscription.EMPTY = (function (empty) {\n empty.closed = true;\n return empty;\n }(new Subscription()));\n return Subscription;\n}());\nexport { Subscription };\nfunction flattenUnsubscriptionErrors(errors) {\n return errors.reduce(function (errs, err) { return errs.concat((err instanceof UnsubscriptionError) ? err.errors : err); }, []);\n}\n//# sourceMappingURL=Subscription.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function map(project, thisArg) {\n return function mapOperation(source) {\n if (typeof project !== 'function') {\n throw new TypeError('argument is not a function. Are you looking for `mapTo()`?');\n }\n return source.lift(new MapOperator(project, thisArg));\n };\n}\nvar MapOperator = (function () {\n function MapOperator(project, thisArg) {\n this.project = project;\n this.thisArg = thisArg;\n }\n MapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));\n };\n return MapOperator;\n}());\nexport { MapOperator };\nvar MapSubscriber = (function (_super) {\n __extends(MapSubscriber, _super);\n function MapSubscriber(destination, project, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.count = 0;\n _this.thisArg = thisArg || _this;\n return _this;\n }\n MapSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.project.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return MapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=map.js.map","import { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, innerSubscriber) {\n if (innerSubscriber === void 0) { innerSubscriber = new InnerSubscriber(outerSubscriber, outerValue, outerIndex); }\n if (innerSubscriber.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(innerSubscriber);\n }\n return subscribeTo(result)(innerSubscriber);\n}\n//# sourceMappingURL=subscribeToResult.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = (function (_super) {\n __extends(OuterSubscriber, _super);\n function OuterSubscriber() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n OuterSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n OuterSubscriber.prototype.notifyError = function (error, innerSub) {\n this.destination.error(error);\n };\n OuterSubscriber.prototype.notifyComplete = function (innerSub) {\n this.destination.complete();\n };\n return OuterSubscriber;\n}(Subscriber));\nexport { OuterSubscriber };\n//# sourceMappingURL=OuterSubscriber.js.map","var _enable_super_gross_mode_that_will_cause_bad_things = false;\nexport var config = {\n Promise: undefined,\n set useDeprecatedSynchronousErrorHandling(value) {\n if (value) {\n var error = new Error();\n console.warn('DEPRECATED! RxJS was set to use deprecated synchronous error handling behavior by code at: \\n' + error.stack);\n }\n else if (_enable_super_gross_mode_that_will_cause_bad_things) {\n console.log('RxJS: Back to a better error behavior. Thank you. <3');\n }\n _enable_super_gross_mode_that_will_cause_bad_things = value;\n },\n get useDeprecatedSynchronousErrorHandling() {\n return _enable_super_gross_mode_that_will_cause_bad_things;\n },\n};\n//# sourceMappingURL=config.js.map","var __window = typeof window !== 'undefined' && window;\nvar __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n self instanceof WorkerGlobalScope && self;\nvar __global = typeof global !== 'undefined' && global;\nvar _root = __window || __global || __self;\n(function () {\n if (!_root) {\n throw new Error('RxJS could not find any global context (window, self, global)');\n }\n})();\nexport { _root as root };\n//# sourceMappingURL=root.js.map","import _isPlaceholder from \"./_isPlaceholder.js\";\n/**\n * Optimized internal one-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\n\nexport default function _curry1(fn) {\n return function f1(a) {\n if (arguments.length === 0 || _isPlaceholder(a)) {\n return f1;\n } else {\n return fn.apply(this, arguments);\n }\n };\n}","export function noop() { }\n//# sourceMappingURL=noop.js.map","export function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map","export var observable = (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map","import { Observable } from '../Observable';\nexport var EMPTY = new Observable(function (subscriber) { return subscriber.complete(); });\nexport function empty(scheduler) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\nfunction emptyScheduled(scheduler) {\n return new Observable(function (subscriber) { return scheduler.schedule(function () { return subscriber.complete(); }); });\n}\n//# sourceMappingURL=empty.js.map","var ObjectUnsubscribedErrorImpl = (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map","export function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function switchMap(project, resultSelector) {\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(switchMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); })); };\n }\n return function (source) { return source.lift(new SwitchMapOperator(project)); };\n}\nvar SwitchMapOperator = (function () {\n function SwitchMapOperator(project) {\n this.project = project;\n }\n SwitchMapOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));\n };\n return SwitchMapOperator;\n}());\nvar SwitchMapSubscriber = (function (_super) {\n __extends(SwitchMapSubscriber, _super);\n function SwitchMapSubscriber(destination, project) {\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.index = 0;\n return _this;\n }\n SwitchMapSubscriber.prototype._next = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (error) {\n this.destination.error(error);\n return;\n }\n this._innerSub(result, value, index);\n };\n SwitchMapSubscriber.prototype._innerSub = function (result, value, index) {\n var innerSubscription = this.innerSubscription;\n if (innerSubscription) {\n innerSubscription.unsubscribe();\n }\n var innerSubscriber = new InnerSubscriber(this, value, index);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n if (this.innerSubscription !== innerSubscriber) {\n destination.add(this.innerSubscription);\n }\n };\n SwitchMapSubscriber.prototype._complete = function () {\n var innerSubscription = this.innerSubscription;\n if (!innerSubscription || innerSubscription.closed) {\n _super.prototype._complete.call(this);\n }\n this.unsubscribe();\n };\n SwitchMapSubscriber.prototype._unsubscribe = function () {\n this.innerSubscription = null;\n };\n SwitchMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var destination = this.destination;\n destination.remove(innerSub);\n this.innerSubscription = null;\n if (this.isStopped) {\n _super.prototype._complete.call(this);\n }\n };\n SwitchMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n return SwitchMapSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=switchMap.js.map","export var isArray = (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map","export function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map","import { __extends } from \"tslib\";\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nimport { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';\nvar SubjectSubscriber = (function (_super) {\n __extends(SubjectSubscriber, _super);\n function SubjectSubscriber(destination) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n return _this;\n }\n return SubjectSubscriber;\n}(Subscriber));\nexport { SubjectSubscriber };\nvar Subject = (function (_super) {\n __extends(Subject, _super);\n function Subject() {\n var _this = _super.call(this) || this;\n _this.observers = [];\n _this.closed = false;\n _this.isStopped = false;\n _this.hasError = false;\n _this.thrownError = null;\n return _this;\n }\n Subject.prototype[rxSubscriberSymbol] = function () {\n return new SubjectSubscriber(this);\n };\n Subject.prototype.lift = function (operator) {\n var subject = new AnonymousSubject(this, this);\n subject.operator = operator;\n return subject;\n };\n Subject.prototype.next = function (value) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n if (!this.isStopped) {\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].next(value);\n }\n }\n };\n Subject.prototype.error = function (err) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.hasError = true;\n this.thrownError = err;\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].error(err);\n }\n this.observers.length = 0;\n };\n Subject.prototype.complete = function () {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n this.isStopped = true;\n var observers = this.observers;\n var len = observers.length;\n var copy = observers.slice();\n for (var i = 0; i < len; i++) {\n copy[i].complete();\n }\n this.observers.length = 0;\n };\n Subject.prototype.unsubscribe = function () {\n this.isStopped = true;\n this.closed = true;\n this.observers = null;\n };\n Subject.prototype._trySubscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return _super.prototype._trySubscribe.call(this, subscriber);\n }\n };\n Subject.prototype._subscribe = function (subscriber) {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.hasError) {\n subscriber.error(this.thrownError);\n return Subscription.EMPTY;\n }\n else if (this.isStopped) {\n subscriber.complete();\n return Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n return new SubjectSubscription(this, subscriber);\n }\n };\n Subject.prototype.asObservable = function () {\n var observable = new Observable();\n observable.source = this;\n return observable;\n };\n Subject.create = function (destination, source) {\n return new AnonymousSubject(destination, source);\n };\n return Subject;\n}(Observable));\nexport { Subject };\nvar AnonymousSubject = (function (_super) {\n __extends(AnonymousSubject, _super);\n function AnonymousSubject(destination, source) {\n var _this = _super.call(this) || this;\n _this.destination = destination;\n _this.source = source;\n return _this;\n }\n AnonymousSubject.prototype.next = function (value) {\n var destination = this.destination;\n if (destination && destination.next) {\n destination.next(value);\n }\n };\n AnonymousSubject.prototype.error = function (err) {\n var destination = this.destination;\n if (destination && destination.error) {\n this.destination.error(err);\n }\n };\n AnonymousSubject.prototype.complete = function () {\n var destination = this.destination;\n if (destination && destination.complete) {\n this.destination.complete();\n }\n };\n AnonymousSubject.prototype._subscribe = function (subscriber) {\n var source = this.source;\n if (source) {\n return this.source.subscribe(subscriber);\n }\n else {\n return Subscription.EMPTY;\n }\n };\n return AnonymousSubject;\n}(Subject));\nexport { AnonymousSubject };\n//# sourceMappingURL=Subject.js.map","export function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = (function (_super) {\n __extends(InnerSubscriber, _super);\n function InnerSubscriber(parent, outerValue, outerIndex) {\n var _this = _super.call(this) || this;\n _this.parent = parent;\n _this.outerValue = outerValue;\n _this.outerIndex = outerIndex;\n _this.index = 0;\n return _this;\n }\n InnerSubscriber.prototype._next = function (value) {\n this.parent.notifyNext(this.outerValue, value, this.outerIndex, this.index++, this);\n };\n InnerSubscriber.prototype._error = function (error) {\n this.parent.notifyError(error, this);\n this.unsubscribe();\n };\n InnerSubscriber.prototype._complete = function () {\n this.parent.notifyComplete(this);\n this.unsubscribe();\n };\n return InnerSubscriber;\n}(Subscriber));\nexport { InnerSubscriber };\n//# sourceMappingURL=InnerSubscriber.js.map","export default function _isPlaceholder(a) {\n return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;\n}","export var rxSubscriber = (function () {\n return typeof Symbol === 'function'\n ? Symbol('rxSubscriber')\n : '@@rxSubscriber_' + Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map","import { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n(function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = (function () {\n function Notification(kind, value, error) {\n this.kind = kind;\n this.value = value;\n this.error = error;\n this.hasValue = kind === 'N';\n }\n Notification.prototype.observe = function (observer) {\n switch (this.kind) {\n case 'N':\n return observer.next && observer.next(this.value);\n case 'E':\n return observer.error && observer.error(this.error);\n case 'C':\n return observer.complete && observer.complete();\n }\n };\n Notification.prototype.do = function (next, error, complete) {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return next && next(this.value);\n case 'E':\n return error && error(this.error);\n case 'C':\n return complete && complete();\n }\n };\n Notification.prototype.accept = function (nextOrObserver, error, complete) {\n if (nextOrObserver && typeof nextOrObserver.next === 'function') {\n return this.observe(nextOrObserver);\n }\n else {\n return this.do(nextOrObserver, error, complete);\n }\n };\n Notification.prototype.toObservable = function () {\n var kind = this.kind;\n switch (kind) {\n case 'N':\n return of(this.value);\n case 'E':\n return throwError(this.error);\n case 'C':\n return empty();\n }\n throw new Error('unexpected notification kind value');\n };\n Notification.createNext = function (value) {\n if (typeof value !== 'undefined') {\n return new Notification('N', value);\n }\n return Notification.undefinedValueNotification;\n };\n Notification.createError = function (err) {\n return new Notification('E', undefined, err);\n };\n Notification.createComplete = function () {\n return Notification.completeNotification;\n };\n Notification.completeNotification = new Notification('C');\n Notification.undefinedValueNotification = new Notification('N', undefined);\n return Notification;\n}());\nexport { Notification };\n//# sourceMappingURL=Notification.js.map","import { Observable } from '../Observable';\nexport function throwError(error, scheduler) {\n if (!scheduler) {\n return new Observable(function (subscriber) { return subscriber.error(error); });\n }\n else {\n return new Observable(function (subscriber) { return scheduler.schedule(dispatch, 0, { error: error, subscriber: subscriber }); });\n }\n}\nfunction dispatch(_a) {\n var error = _a.error, subscriber = _a.subscriber;\n subscriber.error(error);\n}\n//# sourceMappingURL=throwError.js.map","import { noop } from './noop';\nexport function pipe() {\n var fns = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n fns[_i] = arguments[_i];\n }\n return pipeFromArray(fns);\n}\nexport function pipeFromArray(fns) {\n if (!fns) {\n return noop;\n }\n if (fns.length === 1) {\n return fns[0];\n }\n return function piped(input) {\n return fns.reduce(function (prev, fn) { return fn(prev); }, input);\n };\n}\n//# sourceMappingURL=pipe.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function scheduleArray(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var i = 0;\n sub.add(scheduler.schedule(function () {\n if (i === input.length) {\n subscriber.complete();\n return;\n }\n subscriber.next(input[i++]);\n if (!subscriber.closed) {\n sub.add(this.schedule());\n }\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleArray.js.map","import { Observable } from '../Observable';\nimport { subscribeToArray } from '../util/subscribeToArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function fromArray(input, scheduler) {\n if (!scheduler) {\n return new Observable(subscribeToArray(input));\n }\n else {\n return scheduleArray(input, scheduler);\n }\n}\n//# sourceMappingURL=fromArray.js.map","import { scheduleObservable } from './scheduleObservable';\nimport { schedulePromise } from './schedulePromise';\nimport { scheduleArray } from './scheduleArray';\nimport { scheduleIterable } from './scheduleIterable';\nimport { isInteropObservable } from '../util/isInteropObservable';\nimport { isPromise } from '../util/isPromise';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isIterable } from '../util/isIterable';\nexport function scheduled(input, scheduler) {\n if (input != null) {\n if (isInteropObservable(input)) {\n return scheduleObservable(input, scheduler);\n }\n else if (isPromise(input)) {\n return schedulePromise(input, scheduler);\n }\n else if (isArrayLike(input)) {\n return scheduleArray(input, scheduler);\n }\n else if (isIterable(input) || typeof input === 'string') {\n return scheduleIterable(input, scheduler);\n }\n }\n throw new TypeError((input !== null && typeof input || input) + ' is not observable');\n}\n//# sourceMappingURL=scheduled.js.map","import { observable as Symbol_observable } from '../symbol/observable';\nexport function isInteropObservable(input) {\n return input && typeof input[Symbol_observable] === 'function';\n}\n//# sourceMappingURL=isInteropObservable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport function scheduleObservable(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () {\n var observable = input[Symbol_observable]();\n sub.add(observable.subscribe({\n next: function (value) { sub.add(scheduler.schedule(function () { return subscriber.next(value); })); },\n error: function (err) { sub.add(scheduler.schedule(function () { return subscriber.error(err); })); },\n complete: function () { sub.add(scheduler.schedule(function () { return subscriber.complete(); })); },\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleObservable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nexport function schedulePromise(input, scheduler) {\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n sub.add(scheduler.schedule(function () { return input.then(function (value) {\n sub.add(scheduler.schedule(function () {\n subscriber.next(value);\n sub.add(scheduler.schedule(function () { return subscriber.complete(); }));\n }));\n }, function (err) {\n sub.add(scheduler.schedule(function () { return subscriber.error(err); }));\n }); }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map","import { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function isIterable(input) {\n return input && typeof input[Symbol_iterator] === 'function';\n}\n//# sourceMappingURL=isIterable.js.map","import { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport function scheduleIterable(input, scheduler) {\n if (!input) {\n throw new Error('Iterable cannot be null');\n }\n return new Observable(function (subscriber) {\n var sub = new Subscription();\n var iterator;\n sub.add(function () {\n if (iterator && typeof iterator.return === 'function') {\n iterator.return();\n }\n });\n sub.add(scheduler.schedule(function () {\n iterator = input[Symbol_iterator]();\n sub.add(scheduler.schedule(function () {\n if (subscriber.closed) {\n return;\n }\n var value;\n var done;\n try {\n var result = iterator.next();\n value = result.value;\n done = result.done;\n }\n catch (err) {\n subscriber.error(err);\n return;\n }\n if (done) {\n subscriber.complete();\n }\n else {\n subscriber.next(value);\n this.schedule();\n }\n }));\n }));\n return sub;\n });\n}\n//# sourceMappingURL=scheduleIterable.js.map","import { Observable } from '../Observable';\nimport { subscribeTo } from '../util/subscribeTo';\nimport { scheduled } from '../scheduled/scheduled';\nexport function from(input, scheduler) {\n if (!scheduler) {\n if (input instanceof Observable) {\n return input;\n }\n return new Observable(subscribeTo(input));\n }\n else {\n return scheduled(input, scheduler);\n }\n}\n//# sourceMappingURL=from.js.map","var Scheduler = (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) { now = Scheduler.now; }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) { delay = 0; }\n return new this.SchedulerAction(this, work).schedule(state, delay);\n };\n Scheduler.now = function () { return Date.now(); };\n return Scheduler;\n}());\nexport { Scheduler };\n//# sourceMappingURL=Scheduler.js.map","import { __extends } from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = (function (_super) {\n __extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) { now = Scheduler.now; }\n var _this = _super.call(this, SchedulerAction, function () {\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== _this) {\n return AsyncScheduler.delegate.now();\n }\n else {\n return now();\n }\n }) || this;\n _this.actions = [];\n _this.active = false;\n _this.scheduled = undefined;\n return _this;\n }\n AsyncScheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) { delay = 0; }\n if (AsyncScheduler.delegate && AsyncScheduler.delegate !== this) {\n return AsyncScheduler.delegate.schedule(work, delay, state);\n }\n else {\n return _super.prototype.schedule.call(this, work, delay, state);\n }\n };\n AsyncScheduler.prototype.flush = function (action) {\n var actions = this.actions;\n if (this.active) {\n actions.push(action);\n return;\n }\n var error;\n this.active = true;\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (action = actions.shift());\n this.active = false;\n if (error) {\n while (action = actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AsyncScheduler;\n}(Scheduler));\nexport { AsyncScheduler };\n//# sourceMappingURL=AsyncScheduler.js.map","import { __extends } from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = (function (_super) {\n __extends(AsyncAction, _super);\n function AsyncAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n _this.pending = false;\n return _this;\n }\n AsyncAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (this.closed) {\n return this;\n }\n this.state = state;\n var id = this.id;\n var scheduler = this.scheduler;\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n this.pending = true;\n this.delay = delay;\n this.id = this.id || this.requestAsyncId(scheduler, this.id, delay);\n return this;\n };\n AsyncAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && this.delay === delay && this.pending === false) {\n return id;\n }\n clearInterval(id);\n return undefined;\n };\n AsyncAction.prototype.execute = function (state, delay) {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n this.pending = false;\n var error = this._execute(state, delay);\n if (error) {\n return error;\n }\n else if (this.pending === false && this.id != null) {\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n };\n AsyncAction.prototype._execute = function (state, delay) {\n var errored = false;\n var errorValue = undefined;\n try {\n this.work(state);\n }\n catch (e) {\n errored = true;\n errorValue = !!e && e || new Error(e);\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n };\n AsyncAction.prototype._unsubscribe = function () {\n var id = this.id;\n var scheduler = this.scheduler;\n var actions = scheduler.actions;\n var index = actions.indexOf(this);\n this.work = null;\n this.state = null;\n this.pending = false;\n this.scheduler = null;\n if (index !== -1) {\n actions.splice(index, 1);\n }\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n this.delay = null;\n };\n return AsyncAction;\n}(Action));\nexport { AsyncAction };\n//# sourceMappingURL=AsyncAction.js.map","import { __extends } from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = (function (_super) {\n __extends(Action, _super);\n function Action(scheduler, work) {\n return _super.call(this) || this;\n }\n Action.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map","import { isScheduler } from '../util/isScheduler';\nimport { fromArray } from './fromArray';\nimport { scheduleArray } from '../scheduled/scheduleArray';\nexport function of() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n var scheduler = args[args.length - 1];\n if (isScheduler(scheduler)) {\n args.pop();\n return scheduleArray(args, scheduler);\n }\n else {\n return fromArray(args);\n }\n}\n//# sourceMappingURL=of.js.map","import { config } from './config';\nimport { hostReportError } from './util/hostReportError';\nexport var empty = {\n closed: true,\n next: function (value) { },\n error: function (err) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n throw err;\n }\n else {\n hostReportError(err);\n }\n },\n complete: function () { }\n};\n//# sourceMappingURL=Observer.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n this.scheduler = scheduler;\n this.delay = delay;\n }\n ObserveOnOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));\n };\n return ObserveOnOperator;\n}());\nexport { ObserveOnOperator };\nvar ObserveOnSubscriber = (function (_super) {\n __extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) { delay = 0; }\n var _this = _super.call(this, destination) || this;\n _this.scheduler = scheduler;\n _this.delay = delay;\n return _this;\n }\n ObserveOnSubscriber.dispatch = function (arg) {\n var notification = arg.notification, destination = arg.destination;\n notification.observe(destination);\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype.scheduleMessage = function (notification) {\n var destination = this.destination;\n destination.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));\n };\n ObserveOnSubscriber.prototype._next = function (value) {\n this.scheduleMessage(Notification.createNext(value));\n };\n ObserveOnSubscriber.prototype._error = function (err) {\n this.scheduleMessage(Notification.createError(err));\n this.unsubscribe();\n };\n ObserveOnSubscriber.prototype._complete = function () {\n this.scheduleMessage(Notification.createComplete());\n this.unsubscribe();\n };\n return ObserveOnSubscriber;\n}(Subscriber));\nexport { ObserveOnSubscriber };\nvar ObserveOnMessage = (function () {\n function ObserveOnMessage(notification, destination) {\n this.notification = notification;\n this.destination = destination;\n }\n return ObserveOnMessage;\n}());\nexport { ObserveOnMessage };\n//# sourceMappingURL=observeOn.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function distinctUntilChanged(compare, keySelector) {\n return function (source) { return source.lift(new DistinctUntilChangedOperator(compare, keySelector)); };\n}\nvar DistinctUntilChangedOperator = (function () {\n function DistinctUntilChangedOperator(compare, keySelector) {\n this.compare = compare;\n this.keySelector = keySelector;\n }\n DistinctUntilChangedOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));\n };\n return DistinctUntilChangedOperator;\n}());\nvar DistinctUntilChangedSubscriber = (function (_super) {\n __extends(DistinctUntilChangedSubscriber, _super);\n function DistinctUntilChangedSubscriber(destination, compare, keySelector) {\n var _this = _super.call(this, destination) || this;\n _this.keySelector = keySelector;\n _this.hasKey = false;\n if (typeof compare === 'function') {\n _this.compare = compare;\n }\n return _this;\n }\n DistinctUntilChangedSubscriber.prototype.compare = function (x, y) {\n return x === y;\n };\n DistinctUntilChangedSubscriber.prototype._next = function (value) {\n var key;\n try {\n var keySelector = this.keySelector;\n key = keySelector ? keySelector(value) : value;\n }\n catch (err) {\n return this.destination.error(err);\n }\n var result = false;\n if (this.hasKey) {\n try {\n var compare = this.compare;\n result = compare(this.key, key);\n }\n catch (err) {\n return this.destination.error(err);\n }\n }\n else {\n this.hasKey = true;\n }\n if (!result) {\n this.key = key;\n this.destination.next(value);\n }\n };\n return DistinctUntilChangedSubscriber;\n}(Subscriber));\n//# sourceMappingURL=distinctUntilChanged.js.map","export function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map","import { __extends } from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = (function (_super) {\n __extends(SubjectSubscription, _super);\n function SubjectSubscription(subject, subscriber) {\n var _this = _super.call(this) || this;\n _this.subject = subject;\n _this.subscriber = subscriber;\n _this.closed = false;\n return _this;\n }\n SubjectSubscription.prototype.unsubscribe = function () {\n if (this.closed) {\n return;\n }\n this.closed = true;\n var subject = this.subject;\n var observers = subject.observers;\n this.subject = null;\n if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {\n return;\n }\n var subscriberIndex = observers.indexOf(this.subscriber);\n if (subscriberIndex !== -1) {\n observers.splice(subscriberIndex, 1);\n }\n };\n return SubjectSubscription;\n}(Subscription));\nexport { SubjectSubscription };\n//# sourceMappingURL=SubjectSubscription.js.map","export var subscribeToArray = function (array) { return function (subscriber) {\n for (var i = 0, len = array.length; i < len && !subscriber.closed; i++) {\n subscriber.next(array[i]);\n }\n subscriber.complete();\n}; };\n//# sourceMappingURL=subscribeToArray.js.map","export var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map","export function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map","import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map","import { subscribeToArray } from './subscribeToArray';\nimport { subscribeToPromise } from './subscribeToPromise';\nimport { subscribeToIterable } from './subscribeToIterable';\nimport { subscribeToObservable } from './subscribeToObservable';\nimport { isArrayLike } from './isArrayLike';\nimport { isPromise } from './isPromise';\nimport { isObject } from './isObject';\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeTo = function (result) {\n if (!!result && typeof result[Symbol_observable] === 'function') {\n return subscribeToObservable(result);\n }\n else if (isArrayLike(result)) {\n return subscribeToArray(result);\n }\n else if (isPromise(result)) {\n return subscribeToPromise(result);\n }\n else if (!!result && typeof result[Symbol_iterator] === 'function') {\n return subscribeToIterable(result);\n }\n else {\n var value = isObject(result) ? 'an invalid object' : \"'\" + result + \"'\";\n var msg = \"You provided \" + value + \" where a stream was expected.\"\n + ' You can provide an Observable, Promise, Array, or Iterable.';\n throw new TypeError(msg);\n }\n};\n//# sourceMappingURL=subscribeTo.js.map","import { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) { return function (subscriber) {\n var obs = obj[Symbol_observable]();\n if (typeof obs.subscribe !== 'function') {\n throw new TypeError('Provided object does not correctly implement Symbol.observable');\n }\n else {\n return obs.subscribe(subscriber);\n }\n}; };\n//# sourceMappingURL=subscribeToObservable.js.map","import { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) { return function (subscriber) {\n promise.then(function (value) {\n if (!subscriber.closed) {\n subscriber.next(value);\n subscriber.complete();\n }\n }, function (err) { return subscriber.error(err); })\n .then(null, hostReportError);\n return subscriber;\n}; };\n//# sourceMappingURL=subscribeToPromise.js.map","import { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) { return function (subscriber) {\n var iterator = iterable[Symbol_iterator]();\n do {\n var item = iterator.next();\n if (item.done) {\n subscriber.complete();\n break;\n }\n subscriber.next(item.value);\n if (subscriber.closed) {\n break;\n }\n } while (true);\n if (typeof iterator.return === 'function') {\n subscriber.add(function () {\n if (iterator.return) {\n iterator.return();\n }\n });\n }\n return subscriber;\n}; };\n//# sourceMappingURL=subscribeToIterable.js.map","import { __extends } from \"tslib\";\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { map } from './map';\nimport { from } from '../observable/from';\nexport function mergeMap(project, resultSelector, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n if (typeof resultSelector === 'function') {\n return function (source) { return source.pipe(mergeMap(function (a, i) { return from(project(a, i)).pipe(map(function (b, ii) { return resultSelector(a, b, i, ii); })); }, concurrent)); };\n }\n else if (typeof resultSelector === 'number') {\n concurrent = resultSelector;\n }\n return function (source) { return source.lift(new MergeMapOperator(project, concurrent)); };\n}\nvar MergeMapOperator = (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n this.project = project;\n this.concurrent = concurrent;\n }\n MergeMapOperator.prototype.call = function (observer, source) {\n return source.subscribe(new MergeMapSubscriber(observer, this.project, this.concurrent));\n };\n return MergeMapOperator;\n}());\nexport { MergeMapOperator };\nvar MergeMapSubscriber = (function (_super) {\n __extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n var _this = _super.call(this, destination) || this;\n _this.project = project;\n _this.concurrent = concurrent;\n _this.hasCompleted = false;\n _this.buffer = [];\n _this.active = 0;\n _this.index = 0;\n return _this;\n }\n MergeMapSubscriber.prototype._next = function (value) {\n if (this.active < this.concurrent) {\n this._tryNext(value);\n }\n else {\n this.buffer.push(value);\n }\n };\n MergeMapSubscriber.prototype._tryNext = function (value) {\n var result;\n var index = this.index++;\n try {\n result = this.project(value, index);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.active++;\n this._innerSub(result, value, index);\n };\n MergeMapSubscriber.prototype._innerSub = function (ish, value, index) {\n var innerSubscriber = new InnerSubscriber(this, value, index);\n var destination = this.destination;\n destination.add(innerSubscriber);\n var innerSubscription = subscribeToResult(this, ish, undefined, undefined, innerSubscriber);\n if (innerSubscription !== innerSubscriber) {\n destination.add(innerSubscription);\n }\n };\n MergeMapSubscriber.prototype._complete = function () {\n this.hasCompleted = true;\n if (this.active === 0 && this.buffer.length === 0) {\n this.destination.complete();\n }\n this.unsubscribe();\n };\n MergeMapSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.destination.next(innerValue);\n };\n MergeMapSubscriber.prototype.notifyComplete = function (innerSub) {\n var buffer = this.buffer;\n this.remove(innerSub);\n this.active--;\n if (buffer.length > 0) {\n this._next(buffer.shift());\n }\n else if (this.active === 0 && this.hasCompleted) {\n this.destination.complete();\n }\n };\n return MergeMapSubscriber;\n}(OuterSubscriber));\nexport { MergeMapSubscriber };\n//# sourceMappingURL=mergeMap.js.map","export function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map","import { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\nexport function tap(nextOrObserver, error, complete) {\n return function tapOperatorFunction(source) {\n return source.lift(new DoOperator(nextOrObserver, error, complete));\n };\n}\nvar DoOperator = (function () {\n function DoOperator(nextOrObserver, error, complete) {\n this.nextOrObserver = nextOrObserver;\n this.error = error;\n this.complete = complete;\n }\n DoOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n };\n return DoOperator;\n}());\nvar TapSubscriber = (function (_super) {\n __extends(TapSubscriber, _super);\n function TapSubscriber(destination, observerOrNext, error, complete) {\n var _this = _super.call(this, destination) || this;\n _this._tapNext = noop;\n _this._tapError = noop;\n _this._tapComplete = noop;\n _this._tapError = error || noop;\n _this._tapComplete = complete || noop;\n if (isFunction(observerOrNext)) {\n _this._context = _this;\n _this._tapNext = observerOrNext;\n }\n else if (observerOrNext) {\n _this._context = observerOrNext;\n _this._tapNext = observerOrNext.next || noop;\n _this._tapError = observerOrNext.error || noop;\n _this._tapComplete = observerOrNext.complete || noop;\n }\n return _this;\n }\n TapSubscriber.prototype._next = function (value) {\n try {\n this._tapNext.call(this._context, value);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(value);\n };\n TapSubscriber.prototype._error = function (err) {\n try {\n this._tapError.call(this._context, err);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.error(err);\n };\n TapSubscriber.prototype._complete = function () {\n try {\n this._tapComplete.call(this._context);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n return this.destination.complete();\n };\n return TapSubscriber;\n}(Subscriber));\n//# sourceMappingURL=tap.js.map","import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = (function (_super) {\n __extends(AnimationFrameAction, _super);\n function AnimationFrameAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n AnimationFrameAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay !== null && delay > 0) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n scheduler.actions.push(this);\n return scheduler.scheduled || (scheduler.scheduled = requestAnimationFrame(function () { return scheduler.flush(null); }));\n };\n AnimationFrameAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.recycleAsyncId.call(this, scheduler, id, delay);\n }\n if (scheduler.actions.length === 0) {\n cancelAnimationFrame(id);\n scheduler.scheduled = undefined;\n }\n return undefined;\n };\n return AnimationFrameAction;\n}(AsyncAction));\nexport { AnimationFrameAction };\n//# sourceMappingURL=AnimationFrameAction.js.map","import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map","import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = (function (_super) {\n __extends(AnimationFrameScheduler, _super);\n function AnimationFrameScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n AnimationFrameScheduler.prototype.flush = function (action) {\n this.active = true;\n this.scheduled = undefined;\n var actions = this.actions;\n var error;\n var index = -1;\n var count = actions.length;\n action = action || actions.shift();\n do {\n if (error = action.execute(action.state, action.delay)) {\n break;\n }\n } while (++index < count && (action = actions.shift()));\n this.active = false;\n if (error) {\n while (++index < count && (action = actions.shift())) {\n action.unsubscribe();\n }\n throw error;\n }\n };\n return AnimationFrameScheduler;\n}(AsyncScheduler));\nexport { AnimationFrameScheduler };\n//# sourceMappingURL=AnimationFrameScheduler.js.map","/*!\n * clipboard.js v2.0.6\n * https://clipboardjs.com/\n * \n * Licensed MIT © Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) 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\t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 6);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar is = __webpack_require__(3);\nvar delegate = __webpack_require__(4);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar closest = __webpack_require__(5);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n__webpack_require__.r(__webpack_exports__);\n\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(0);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n\n// CONCATENATED MODULE: ./src/clipboard-action.js\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n\n\n/**\n * Inner class which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n */\n\nvar clipboard_action_ClipboardAction = function () {\n /**\n * @param {Object} options\n */\n function ClipboardAction(options) {\n _classCallCheck(this, ClipboardAction);\n\n this.resolveOptions(options);\n this.initSelection();\n }\n\n /**\n * Defines base properties passed from constructor.\n * @param {Object} options\n */\n\n\n _createClass(ClipboardAction, [{\n key: 'resolveOptions',\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n this.action = options.action;\n this.container = options.container;\n this.emitter = options.emitter;\n this.target = options.target;\n this.text = options.text;\n this.trigger = options.trigger;\n\n this.selectedText = '';\n }\n\n /**\n * Decides which selection strategy is going to be applied based\n * on the existence of `text` and `target` properties.\n */\n\n }, {\n key: 'initSelection',\n value: function initSelection() {\n if (this.text) {\n this.selectFake();\n } else if (this.target) {\n this.selectTarget();\n }\n }\n\n /**\n * Creates a fake textarea element, sets its value from `text` property,\n * and makes a selection on it.\n */\n\n }, {\n key: 'selectFake',\n value: function selectFake() {\n var _this = this;\n\n var isRTL = document.documentElement.getAttribute('dir') == 'rtl';\n\n this.removeFake();\n\n this.fakeHandlerCallback = function () {\n return _this.removeFake();\n };\n this.fakeHandler = this.container.addEventListener('click', this.fakeHandlerCallback) || true;\n\n this.fakeElem = document.createElement('textarea');\n // Prevent zooming on iOS\n this.fakeElem.style.fontSize = '12pt';\n // Reset box model\n this.fakeElem.style.border = '0';\n this.fakeElem.style.padding = '0';\n this.fakeElem.style.margin = '0';\n // Move element out of screen horizontally\n this.fakeElem.style.position = 'absolute';\n this.fakeElem.style[isRTL ? 'right' : 'left'] = '-9999px';\n // Move element to the same position vertically\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n this.fakeElem.style.top = yPosition + 'px';\n\n this.fakeElem.setAttribute('readonly', '');\n this.fakeElem.value = this.text;\n\n this.container.appendChild(this.fakeElem);\n\n this.selectedText = select_default()(this.fakeElem);\n this.copyText();\n }\n\n /**\n * Only removes the fake element after another click event, that way\n * a user can hit `Ctrl+C` to copy because selection still exists.\n */\n\n }, {\n key: 'removeFake',\n value: function removeFake() {\n if (this.fakeHandler) {\n this.container.removeEventListener('click', this.fakeHandlerCallback);\n this.fakeHandler = null;\n this.fakeHandlerCallback = null;\n }\n\n if (this.fakeElem) {\n this.container.removeChild(this.fakeElem);\n this.fakeElem = null;\n }\n }\n\n /**\n * Selects the content from element passed on `target` property.\n */\n\n }, {\n key: 'selectTarget',\n value: function selectTarget() {\n this.selectedText = select_default()(this.target);\n this.copyText();\n }\n\n /**\n * Executes the copy operation based on the current selection.\n */\n\n }, {\n key: 'copyText',\n value: function copyText() {\n var succeeded = void 0;\n\n try {\n succeeded = document.execCommand(this.action);\n } catch (err) {\n succeeded = false;\n }\n\n this.handleResult(succeeded);\n }\n\n /**\n * Fires an event based on the copy operation result.\n * @param {Boolean} succeeded\n */\n\n }, {\n key: 'handleResult',\n value: function handleResult(succeeded) {\n this.emitter.emit(succeeded ? 'success' : 'error', {\n action: this.action,\n text: this.selectedText,\n trigger: this.trigger,\n clearSelection: this.clearSelection.bind(this)\n });\n }\n\n /**\n * Moves focus away from `target` and back to the trigger, removes current selection.\n */\n\n }, {\n key: 'clearSelection',\n value: function clearSelection() {\n if (this.trigger) {\n this.trigger.focus();\n }\n document.activeElement.blur();\n window.getSelection().removeAllRanges();\n }\n\n /**\n * Sets the `action` to be performed which can be either 'copy' or 'cut'.\n * @param {String} action\n */\n\n }, {\n key: 'destroy',\n\n\n /**\n * Destroy lifecycle.\n */\n value: function destroy() {\n this.removeFake();\n }\n }, {\n key: 'action',\n set: function set() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'copy';\n\n this._action = action;\n\n if (this._action !== 'copy' && this._action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n }\n }\n\n /**\n * Gets the `action` property.\n * @return {String}\n */\n ,\n get: function get() {\n return this._action;\n }\n\n /**\n * Sets the `target` property using an element\n * that will be have its content copied.\n * @param {Element} target\n */\n\n }, {\n key: 'target',\n set: function set(target) {\n if (target !== undefined) {\n if (target && (typeof target === 'undefined' ? 'undefined' : _typeof(target)) === 'object' && target.nodeType === 1) {\n if (this.action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (this.action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n\n this._target = target;\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n }\n }\n\n /**\n * Gets the `target` property.\n * @return {String|HTMLElement}\n */\n ,\n get: function get() {\n return this._target;\n }\n }]);\n\n return ClipboardAction;\n}();\n\n/* harmony default export */ var clipboard_action = (clipboard_action_ClipboardAction);\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(1);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(2);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n\n// CONCATENATED MODULE: ./src/clipboard.js\nvar clipboard_typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar clipboard_createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\n\n\n\n\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\nvar clipboard_Clipboard = function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n clipboard_classCallCheck(this, Clipboard);\n\n var _this = _possibleConstructorReturn(this, (Clipboard.__proto__ || Object.getPrototypeOf(Clipboard)).call(this));\n\n _this.resolveOptions(options);\n _this.listenClick(trigger);\n return _this;\n }\n\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n clipboard_createClass(Clipboard, [{\n key: 'resolveOptions',\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: 'listenClick',\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: 'onClick',\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n\n if (this.clipboardAction) {\n this.clipboardAction = null;\n }\n\n this.clipboardAction = new clipboard_action({\n action: this.action(trigger),\n target: this.target(trigger),\n text: this.text(trigger),\n container: this.container,\n trigger: trigger,\n emitter: this\n });\n }\n\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: 'defaultAction',\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: 'defaultTarget',\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: 'defaultText',\n\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: 'destroy',\n value: function destroy() {\n this.listener.destroy();\n\n if (this.clipboardAction) {\n this.clipboardAction.destroy();\n this.clipboardAction = null;\n }\n }\n }], [{\n key: 'isSupported',\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n\n return support;\n }\n }]);\n\n return Clipboard;\n}(tiny_emitter_default.a);\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\n\nfunction getAttributeValue(suffix, element) {\n var attribute = 'data-clipboard-' + suffix;\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n\n/* harmony default export */ var clipboard = __webpack_exports__[\"default\"] = (clipboard_Clipboard);\n\n/***/ })\n/******/ ])[\"default\"];\n});","import { __extends } from \"tslib\";\nimport { isScheduler } from '../util/isScheduler';\nimport { isArray } from '../util/isArray';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { fromArray } from './fromArray';\nvar NONE = {};\nexport function combineLatest() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var resultSelector = null;\n var scheduler = null;\n if (isScheduler(observables[observables.length - 1])) {\n scheduler = observables.pop();\n }\n if (typeof observables[observables.length - 1] === 'function') {\n resultSelector = observables.pop();\n }\n if (observables.length === 1 && isArray(observables[0])) {\n observables = observables[0];\n }\n return fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector));\n}\nvar CombineLatestOperator = (function () {\n function CombineLatestOperator(resultSelector) {\n this.resultSelector = resultSelector;\n }\n CombineLatestOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));\n };\n return CombineLatestOperator;\n}());\nexport { CombineLatestOperator };\nvar CombineLatestSubscriber = (function (_super) {\n __extends(CombineLatestSubscriber, _super);\n function CombineLatestSubscriber(destination, resultSelector) {\n var _this = _super.call(this, destination) || this;\n _this.resultSelector = resultSelector;\n _this.active = 0;\n _this.values = [];\n _this.observables = [];\n return _this;\n }\n CombineLatestSubscriber.prototype._next = function (observable) {\n this.values.push(NONE);\n this.observables.push(observable);\n };\n CombineLatestSubscriber.prototype._complete = function () {\n var observables = this.observables;\n var len = observables.length;\n if (len === 0) {\n this.destination.complete();\n }\n else {\n this.active = len;\n this.toRespond = len;\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n this.add(subscribeToResult(this, observable, observable, i));\n }\n }\n };\n CombineLatestSubscriber.prototype.notifyComplete = function (unused) {\n if ((this.active -= 1) === 0) {\n this.destination.complete();\n }\n };\n CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n var values = this.values;\n var oldVal = values[outerIndex];\n var toRespond = !this.toRespond\n ? 0\n : oldVal === NONE ? --this.toRespond : this.toRespond;\n values[outerIndex] = innerValue;\n if (toRespond === 0) {\n if (this.resultSelector) {\n this._tryResultSelector(values);\n }\n else {\n this.destination.next(values.slice());\n }\n }\n };\n CombineLatestSubscriber.prototype._tryResultSelector = function (values) {\n var result;\n try {\n result = this.resultSelector.apply(this, values);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return CombineLatestSubscriber;\n}(OuterSubscriber));\nexport { CombineLatestSubscriber };\n//# sourceMappingURL=combineLatest.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function scan(accumulator, seed) {\n var hasSeed = false;\n if (arguments.length >= 2) {\n hasSeed = true;\n }\n return function scanOperatorFunction(source) {\n return source.lift(new ScanOperator(accumulator, seed, hasSeed));\n };\n}\nvar ScanOperator = (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) { hasSeed = false; }\n this.accumulator = accumulator;\n this.seed = seed;\n this.hasSeed = hasSeed;\n }\n ScanOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ScanSubscriber(subscriber, this.accumulator, this.seed, this.hasSeed));\n };\n return ScanOperator;\n}());\nvar ScanSubscriber = (function (_super) {\n __extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _state, _hasState) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._state = _state;\n _this._hasState = _hasState;\n _this.index = 0;\n return _this;\n }\n ScanSubscriber.prototype._next = function (value) {\n var destination = this.destination;\n if (!this._hasState) {\n this._state = value;\n this._hasState = true;\n destination.next(value);\n }\n else {\n var index = this.index++;\n var result = void 0;\n try {\n result = this.accumulator(this._state, value, index);\n }\n catch (err) {\n destination.error(err);\n return;\n }\n this._state = result;\n destination.next(result);\n }\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nexport function finalize(callback) {\n return function (source) { return source.lift(new FinallyOperator(callback)); };\n}\nvar FinallyOperator = (function () {\n function FinallyOperator(callback) {\n this.callback = callback;\n }\n FinallyOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n };\n return FinallyOperator;\n}());\nvar FinallySubscriber = (function (_super) {\n __extends(FinallySubscriber, _super);\n function FinallySubscriber(destination, callback) {\n var _this = _super.call(this, destination) || this;\n _this.add(new Subscription(callback));\n return _this;\n }\n return FinallySubscriber;\n}(Subscriber));\n//# sourceMappingURL=finalize.js.map","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n if (typeof Map !== 'undefined') {\r\n return Map;\r\n }\r\n /**\r\n * Returns index in provided array that matches the specified key.\r\n *\r\n * @param {Array} arr\r\n * @param {*} key\r\n * @returns {number}\r\n */\r\n function getIndex(arr, key) {\r\n var result = -1;\r\n arr.some(function (entry, index) {\r\n if (entry[0] === key) {\r\n result = index;\r\n return true;\r\n }\r\n return false;\r\n });\r\n return result;\r\n }\r\n return /** @class */ (function () {\r\n function class_1() {\r\n this.__entries__ = [];\r\n }\r\n Object.defineProperty(class_1.prototype, \"size\", {\r\n /**\r\n * @returns {boolean}\r\n */\r\n get: function () {\r\n return this.__entries__.length;\r\n },\r\n enumerable: true,\r\n configurable: true\r\n });\r\n /**\r\n * @param {*} key\r\n * @returns {*}\r\n */\r\n class_1.prototype.get = function (key) {\r\n var index = getIndex(this.__entries__, key);\r\n var entry = this.__entries__[index];\r\n return entry && entry[1];\r\n };\r\n /**\r\n * @param {*} key\r\n * @param {*} value\r\n * @returns {void}\r\n */\r\n class_1.prototype.set = function (key, value) {\r\n var index = getIndex(this.__entries__, key);\r\n if (~index) {\r\n this.__entries__[index][1] = value;\r\n }\r\n else {\r\n this.__entries__.push([key, value]);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.delete = function (key) {\r\n var entries = this.__entries__;\r\n var index = getIndex(entries, key);\r\n if (~index) {\r\n entries.splice(index, 1);\r\n }\r\n };\r\n /**\r\n * @param {*} key\r\n * @returns {void}\r\n */\r\n class_1.prototype.has = function (key) {\r\n return !!~getIndex(this.__entries__, key);\r\n };\r\n /**\r\n * @returns {void}\r\n */\r\n class_1.prototype.clear = function () {\r\n this.__entries__.splice(0);\r\n };\r\n /**\r\n * @param {Function} callback\r\n * @param {*} [ctx=null]\r\n * @returns {void}\r\n */\r\n class_1.prototype.forEach = function (callback, ctx) {\r\n if (ctx === void 0) { ctx = null; }\r\n for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n var entry = _a[_i];\r\n callback.call(ctx, entry[1], entry[0]);\r\n }\r\n };\r\n return class_1;\r\n }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n if (typeof global !== 'undefined' && global.Math === Math) {\r\n return global;\r\n }\r\n if (typeof self !== 'undefined' && self.Math === Math) {\r\n return self;\r\n }\r\n if (typeof window !== 'undefined' && window.Math === Math) {\r\n return window;\r\n }\r\n // eslint-disable-next-line no-new-func\r\n return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n if (typeof requestAnimationFrame === 'function') {\r\n // It's required to use a bounded function because IE sometimes throws\r\n // an \"Invalid calling object\" error if rAF is invoked without the global\r\n // object on the left hand side.\r\n return requestAnimationFrame.bind(global$1);\r\n }\r\n return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n /**\r\n * Invokes the original callback function and schedules new invocation if\r\n * the \"proxy\" was called during current request.\r\n *\r\n * @returns {void}\r\n */\r\n function resolvePending() {\r\n if (leadingCall) {\r\n leadingCall = false;\r\n callback();\r\n }\r\n if (trailingCall) {\r\n proxy();\r\n }\r\n }\r\n /**\r\n * Callback invoked after the specified delay. It will further postpone\r\n * invocation of the original function delegating it to the\r\n * requestAnimationFrame.\r\n *\r\n * @returns {void}\r\n */\r\n function timeoutCallback() {\r\n requestAnimationFrame$1(resolvePending);\r\n }\r\n /**\r\n * Schedules invocation of the original function.\r\n *\r\n * @returns {void}\r\n */\r\n function proxy() {\r\n var timeStamp = Date.now();\r\n if (leadingCall) {\r\n // Reject immediately following calls.\r\n if (timeStamp - lastCallTime < trailingTimeout) {\r\n return;\r\n }\r\n // Schedule new call to be in invoked when the pending one is resolved.\r\n // This is important for \"transitions\" which never actually start\r\n // immediately so there is a chance that we might miss one if change\r\n // happens amids the pending invocation.\r\n trailingCall = true;\r\n }\r\n else {\r\n leadingCall = true;\r\n trailingCall = false;\r\n setTimeout(timeoutCallback, delay);\r\n }\r\n lastCallTime = timeStamp;\r\n }\r\n return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserverController.\r\n *\r\n * @private\r\n */\r\n function ResizeObserverController() {\r\n /**\r\n * Indicates whether DOM listeners have been added.\r\n *\r\n * @private {boolean}\r\n */\r\n this.connected_ = false;\r\n /**\r\n * Tells that controller has subscribed for Mutation Events.\r\n *\r\n * @private {boolean}\r\n */\r\n this.mutationEventsAdded_ = false;\r\n /**\r\n * Keeps reference to the instance of MutationObserver.\r\n *\r\n * @private {MutationObserver}\r\n */\r\n this.mutationsObserver_ = null;\r\n /**\r\n * A list of connected observers.\r\n *\r\n * @private {Array}\r\n */\r\n this.observers_ = [];\r\n this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n }\r\n /**\r\n * Adds observer to observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be added.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.addObserver = function (observer) {\r\n if (!~this.observers_.indexOf(observer)) {\r\n this.observers_.push(observer);\r\n }\r\n // Add listeners if they haven't been added yet.\r\n if (!this.connected_) {\r\n this.connect_();\r\n }\r\n };\r\n /**\r\n * Removes observer from observers list.\r\n *\r\n * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.removeObserver = function (observer) {\r\n var observers = this.observers_;\r\n var index = observers.indexOf(observer);\r\n // Remove observer if it's present in registry.\r\n if (~index) {\r\n observers.splice(index, 1);\r\n }\r\n // Remove listeners if controller has no connected observers.\r\n if (!observers.length && this.connected_) {\r\n this.disconnect_();\r\n }\r\n };\r\n /**\r\n * Invokes the update of observers. It will continue running updates insofar\r\n * it detects changes.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.refresh = function () {\r\n var changesDetected = this.updateObservers_();\r\n // Continue running updates if changes have been detected as there might\r\n // be future ones caused by CSS transitions.\r\n if (changesDetected) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Updates every observer from observers list and notifies them of queued\r\n * entries.\r\n *\r\n * @private\r\n * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n * dimensions of it's elements.\r\n */\r\n ResizeObserverController.prototype.updateObservers_ = function () {\r\n // Collect observers that have active observations.\r\n var activeObservers = this.observers_.filter(function (observer) {\r\n return observer.gatherActive(), observer.hasActive();\r\n });\r\n // Deliver notifications in a separate cycle in order to avoid any\r\n // collisions between observers, e.g. when multiple instances of\r\n // ResizeObserver are tracking the same element and the callback of one\r\n // of them changes content dimensions of the observed target. Sometimes\r\n // this may result in notifications being blocked for the rest of observers.\r\n activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n return activeObservers.length > 0;\r\n };\r\n /**\r\n * Initializes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.connect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already added.\r\n if (!isBrowser || this.connected_) {\r\n return;\r\n }\r\n // Subscription to the \"Transitionend\" event is used as a workaround for\r\n // delayed transitions. This way it's possible to capture at least the\r\n // final state of an element.\r\n document.addEventListener('transitionend', this.onTransitionEnd_);\r\n window.addEventListener('resize', this.refresh);\r\n if (mutationObserverSupported) {\r\n this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n this.mutationsObserver_.observe(document, {\r\n attributes: true,\r\n childList: true,\r\n characterData: true,\r\n subtree: true\r\n });\r\n }\r\n else {\r\n document.addEventListener('DOMSubtreeModified', this.refresh);\r\n this.mutationEventsAdded_ = true;\r\n }\r\n this.connected_ = true;\r\n };\r\n /**\r\n * Removes DOM listeners.\r\n *\r\n * @private\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.disconnect_ = function () {\r\n // Do nothing if running in a non-browser environment or if listeners\r\n // have been already removed.\r\n if (!isBrowser || !this.connected_) {\r\n return;\r\n }\r\n document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n window.removeEventListener('resize', this.refresh);\r\n if (this.mutationsObserver_) {\r\n this.mutationsObserver_.disconnect();\r\n }\r\n if (this.mutationEventsAdded_) {\r\n document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n }\r\n this.mutationsObserver_ = null;\r\n this.mutationEventsAdded_ = false;\r\n this.connected_ = false;\r\n };\r\n /**\r\n * \"Transitionend\" event handler.\r\n *\r\n * @private\r\n * @param {TransitionEvent} event\r\n * @returns {void}\r\n */\r\n ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n // Detect whether transition may affect dimensions of an element.\r\n var isReflowProperty = transitionKeys.some(function (key) {\r\n return !!~propertyName.indexOf(key);\r\n });\r\n if (isReflowProperty) {\r\n this.refresh();\r\n }\r\n };\r\n /**\r\n * Returns instance of the ResizeObserverController.\r\n *\r\n * @returns {ResizeObserverController}\r\n */\r\n ResizeObserverController.getInstance = function () {\r\n if (!this.instance_) {\r\n this.instance_ = new ResizeObserverController();\r\n }\r\n return this.instance_;\r\n };\r\n /**\r\n * Holds reference to the controller's instance.\r\n *\r\n * @private {ResizeObserverController}\r\n */\r\n ResizeObserverController.instance_ = null;\r\n return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n var key = _a[_i];\r\n Object.defineProperty(target, key, {\r\n value: props[key],\r\n enumerable: false,\r\n writable: false,\r\n configurable: true\r\n });\r\n }\r\n return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n // Assume that the element is an instance of Node, which means that it\r\n // has the \"ownerDocument\" property from which we can retrieve a\r\n // corresponding global object.\r\n var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n // Return the local global object if it's not possible extract one from\r\n // provided element.\r\n return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n var positions = [];\r\n for (var _i = 1; _i < arguments.length; _i++) {\r\n positions[_i - 1] = arguments[_i];\r\n }\r\n return positions.reduce(function (size, position) {\r\n var value = styles['border-' + position + '-width'];\r\n return size + toFloat(value);\r\n }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n var positions = ['top', 'right', 'bottom', 'left'];\r\n var paddings = {};\r\n for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n var position = positions_1[_i];\r\n var value = styles['padding-' + position];\r\n paddings[position] = toFloat(value);\r\n }\r\n return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n * to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n var bbox = target.getBBox();\r\n return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n // Client width & height properties can't be\r\n // used exclusively as they provide rounded values.\r\n var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n // By this condition we can catch all non-replaced inline, hidden and\r\n // detached elements. Though elements with width & height properties less\r\n // than 0.5 will be discarded as well.\r\n //\r\n // Without it we would need to implement separate methods for each of\r\n // those cases and it's not possible to perform a precise and performance\r\n // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n // gives wrong results for elements with width & height less than 0.5.\r\n if (!clientWidth && !clientHeight) {\r\n return emptyRect;\r\n }\r\n var styles = getWindowOf(target).getComputedStyle(target);\r\n var paddings = getPaddings(styles);\r\n var horizPad = paddings.left + paddings.right;\r\n var vertPad = paddings.top + paddings.bottom;\r\n // Computed styles of width & height are being used because they are the\r\n // only dimensions available to JS that contain non-rounded values. It could\r\n // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n var width = toFloat(styles.width), height = toFloat(styles.height);\r\n // Width & height include paddings and borders when the 'border-box' box\r\n // model is applied (except for IE).\r\n if (styles.boxSizing === 'border-box') {\r\n // Following conditions are required to handle Internet Explorer which\r\n // doesn't include paddings and borders to computed CSS dimensions.\r\n //\r\n // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n // properties then it's either IE, and thus we don't need to subtract\r\n // anything, or an element merely doesn't have paddings/borders styles.\r\n if (Math.round(width + horizPad) !== clientWidth) {\r\n width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n }\r\n if (Math.round(height + vertPad) !== clientHeight) {\r\n height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n }\r\n }\r\n // Following steps can't be applied to the document's root element as its\r\n // client[Width/Height] properties represent viewport area of the window.\r\n // Besides, it's as well not necessary as the itself neither has\r\n // rendered scroll bars nor it can be clipped.\r\n if (!isDocumentElement(target)) {\r\n // In some browsers (only in Firefox, actually) CSS width & height\r\n // include scroll bars size which can be removed at this step as scroll\r\n // bars are the only difference between rounded dimensions + paddings\r\n // and \"client\" properties, though that is not always true in Chrome.\r\n var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n // Chrome has a rather weird rounding of \"client\" properties.\r\n // E.g. for an element with content width of 314.2px it sometimes gives\r\n // the client width of 315px and for the width of 314.7px it may give\r\n // 314px. And it doesn't happen all the time. So just ignore this delta\r\n // as a non-relevant.\r\n if (Math.abs(vertScrollbar) !== 1) {\r\n width -= vertScrollbar;\r\n }\r\n if (Math.abs(horizScrollbar) !== 1) {\r\n height -= horizScrollbar;\r\n }\r\n }\r\n return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n // interface.\r\n if (typeof SVGGraphicsElement !== 'undefined') {\r\n return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n }\r\n // If it's so, then check that element is at least an instance of the\r\n // SVGElement and that it has the \"getBBox\" method.\r\n // eslint-disable-next-line no-extra-parens\r\n return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element ().\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n if (!isBrowser) {\r\n return emptyRect;\r\n }\r\n if (isSVGGraphicsElement(target)) {\r\n return getSVGContentRect(target);\r\n }\r\n return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n var rect = Object.create(Constr.prototype);\r\n // Rectangle's properties are not writable and non-enumerable.\r\n defineConfigurable(rect, {\r\n x: x, y: y, width: width, height: height,\r\n top: y,\r\n right: x + width,\r\n bottom: height + y,\r\n left: x\r\n });\r\n return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObservation.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n */\r\n function ResizeObservation(target) {\r\n /**\r\n * Broadcasted width of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastWidth = 0;\r\n /**\r\n * Broadcasted height of content rectangle.\r\n *\r\n * @type {number}\r\n */\r\n this.broadcastHeight = 0;\r\n /**\r\n * Reference to the last observed content rectangle.\r\n *\r\n * @private {DOMRectInit}\r\n */\r\n this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n this.target = target;\r\n }\r\n /**\r\n * Updates content rectangle and tells whether it's width or height properties\r\n * have changed since the last broadcast.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObservation.prototype.isActive = function () {\r\n var rect = getContentRect(this.target);\r\n this.contentRect_ = rect;\r\n return (rect.width !== this.broadcastWidth ||\r\n rect.height !== this.broadcastHeight);\r\n };\r\n /**\r\n * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n * from the corresponding properties of the last observed content rectangle.\r\n *\r\n * @returns {DOMRectInit} Last observed content rectangle.\r\n */\r\n ResizeObservation.prototype.broadcastRect = function () {\r\n var rect = this.contentRect_;\r\n this.broadcastWidth = rect.width;\r\n this.broadcastHeight = rect.height;\r\n return rect;\r\n };\r\n return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n /**\r\n * Creates an instance of ResizeObserverEntry.\r\n *\r\n * @param {Element} target - Element that is being observed.\r\n * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n */\r\n function ResizeObserverEntry(target, rectInit) {\r\n var contentRect = createReadOnlyRect(rectInit);\r\n // According to the specification following properties are not writable\r\n // and are also not enumerable in the native implementation.\r\n //\r\n // Property accessors are not being used as they'd require to define a\r\n // private WeakMap storage which may cause memory leaks in browsers that\r\n // don't support this type of collections.\r\n defineConfigurable(this, { target: target, contentRect: contentRect });\r\n }\r\n return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n * when one of the observed elements changes it's content dimensions.\r\n * @param {ResizeObserverController} controller - Controller instance which\r\n * is responsible for the updates of observer.\r\n * @param {ResizeObserver} callbackCtx - Reference to the public\r\n * ResizeObserver instance which will be passed to callback function.\r\n */\r\n function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n /**\r\n * Collection of resize observations that have detected changes in dimensions\r\n * of elements.\r\n *\r\n * @private {Array}\r\n */\r\n this.activeObservations_ = [];\r\n /**\r\n * Registry of the ResizeObservation instances.\r\n *\r\n * @private {Map}\r\n */\r\n this.observations_ = new MapShim();\r\n if (typeof callback !== 'function') {\r\n throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n }\r\n this.callback_ = callback;\r\n this.controller_ = controller;\r\n this.callbackCtx_ = callbackCtx;\r\n }\r\n /**\r\n * Starts observing provided element.\r\n *\r\n * @param {Element} target - Element to be observed.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.observe = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is already being observed.\r\n if (observations.has(target)) {\r\n return;\r\n }\r\n observations.set(target, new ResizeObservation(target));\r\n this.controller_.addObserver(this);\r\n // Force the update of observations.\r\n this.controller_.refresh();\r\n };\r\n /**\r\n * Stops observing provided element.\r\n *\r\n * @param {Element} target - Element to stop observing.\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.unobserve = function (target) {\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n // Do nothing if current environment doesn't have the Element interface.\r\n if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n return;\r\n }\r\n if (!(target instanceof getWindowOf(target).Element)) {\r\n throw new TypeError('parameter 1 is not of type \"Element\".');\r\n }\r\n var observations = this.observations_;\r\n // Do nothing if element is not being observed.\r\n if (!observations.has(target)) {\r\n return;\r\n }\r\n observations.delete(target);\r\n if (!observations.size) {\r\n this.controller_.removeObserver(this);\r\n }\r\n };\r\n /**\r\n * Stops observing all elements.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.disconnect = function () {\r\n this.clearActive();\r\n this.observations_.clear();\r\n this.controller_.removeObserver(this);\r\n };\r\n /**\r\n * Collects observation instances the associated element of which has changed\r\n * it's content rectangle.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.gatherActive = function () {\r\n var _this = this;\r\n this.clearActive();\r\n this.observations_.forEach(function (observation) {\r\n if (observation.isActive()) {\r\n _this.activeObservations_.push(observation);\r\n }\r\n });\r\n };\r\n /**\r\n * Invokes initial callback function with a list of ResizeObserverEntry\r\n * instances collected from active resize observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.broadcastActive = function () {\r\n // Do nothing if observer doesn't have active observations.\r\n if (!this.hasActive()) {\r\n return;\r\n }\r\n var ctx = this.callbackCtx_;\r\n // Create ResizeObserverEntry instance for every active observation.\r\n var entries = this.activeObservations_.map(function (observation) {\r\n return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n });\r\n this.callback_.call(ctx, entries, ctx);\r\n this.clearActive();\r\n };\r\n /**\r\n * Clears the collection of active observations.\r\n *\r\n * @returns {void}\r\n */\r\n ResizeObserverSPI.prototype.clearActive = function () {\r\n this.activeObservations_.splice(0);\r\n };\r\n /**\r\n * Tells whether observer has active observations.\r\n *\r\n * @returns {boolean}\r\n */\r\n ResizeObserverSPI.prototype.hasActive = function () {\r\n return this.activeObservations_.length > 0;\r\n };\r\n return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n /**\r\n * Creates a new instance of ResizeObserver.\r\n *\r\n * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n * dimensions of the observed elements change.\r\n */\r\n function ResizeObserver(callback) {\r\n if (!(this instanceof ResizeObserver)) {\r\n throw new TypeError('Cannot call a class as a function.');\r\n }\r\n if (!arguments.length) {\r\n throw new TypeError('1 argument required, but only 0 present.');\r\n }\r\n var controller = ResizeObserverController.getInstance();\r\n var observer = new ResizeObserverSPI(callback, controller, this);\r\n observers.set(this, observer);\r\n }\r\n return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n 'observe',\r\n 'unobserve',\r\n 'disconnect'\r\n].forEach(function (method) {\r\n ResizeObserver.prototype[method] = function () {\r\n var _a;\r\n return (_a = observers.get(this))[method].apply(_a, arguments);\r\n };\r\n});\n\nvar index = (function () {\r\n // Export existing implementation if available.\r\n if (typeof global$1.ResizeObserver !== 'undefined') {\r\n return global$1.ResizeObserver;\r\n }\r\n return ResizeObserver;\r\n})();\n\nexport default index;\n","import { Observable } from '../Observable';\nimport { from } from './from';\nimport { empty } from './empty';\nexport function defer(observableFactory) {\n return new Observable(function (subscriber) {\n var input;\n try {\n input = observableFactory();\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n var source = input ? from(input) : empty();\n return source.subscribe(subscriber);\n });\n}\n//# sourceMappingURL=defer.js.map","/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n","import { __extends } from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = (function (_super) {\n __extends(QueueAction, _super);\n function QueueAction(scheduler, work) {\n var _this = _super.call(this, scheduler, work) || this;\n _this.scheduler = scheduler;\n _this.work = work;\n return _this;\n }\n QueueAction.prototype.schedule = function (state, delay) {\n if (delay === void 0) { delay = 0; }\n if (delay > 0) {\n return _super.prototype.schedule.call(this, state, delay);\n }\n this.delay = delay;\n this.state = state;\n this.scheduler.flush(this);\n return this;\n };\n QueueAction.prototype.execute = function (state, delay) {\n return (delay > 0 || this.closed) ?\n _super.prototype.execute.call(this, state, delay) :\n this._execute(state, delay);\n };\n QueueAction.prototype.requestAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) { delay = 0; }\n if ((delay !== null && delay > 0) || (delay === null && this.delay > 0)) {\n return _super.prototype.requestAsyncId.call(this, scheduler, id, delay);\n }\n return scheduler.flush(this);\n };\n return QueueAction;\n}(AsyncAction));\nexport { QueueAction };\n//# sourceMappingURL=QueueAction.js.map","import { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map","import { __extends } from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = (function (_super) {\n __extends(QueueScheduler, _super);\n function QueueScheduler() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n return QueueScheduler;\n}(AsyncScheduler));\nexport { QueueScheduler };\n//# sourceMappingURL=QueueScheduler.js.map","import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nimport { queue } from './scheduler/queue';\nimport { Subscription } from './Subscription';\nimport { ObserveOnSubscriber } from './operators/observeOn';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { SubjectSubscription } from './SubjectSubscription';\nvar ReplaySubject = (function (_super) {\n __extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) { bufferSize = Number.POSITIVE_INFINITY; }\n if (windowTime === void 0) { windowTime = Number.POSITIVE_INFINITY; }\n var _this = _super.call(this) || this;\n _this.scheduler = scheduler;\n _this._events = [];\n _this._infiniteTimeWindow = false;\n _this._bufferSize = bufferSize < 1 ? 1 : bufferSize;\n _this._windowTime = windowTime < 1 ? 1 : windowTime;\n if (windowTime === Number.POSITIVE_INFINITY) {\n _this._infiniteTimeWindow = true;\n _this.next = _this.nextInfiniteTimeWindow;\n }\n else {\n _this.next = _this.nextTimeWindow;\n }\n return _this;\n }\n ReplaySubject.prototype.nextInfiniteTimeWindow = function (value) {\n var _events = this._events;\n _events.push(value);\n if (_events.length > this._bufferSize) {\n _events.shift();\n }\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype.nextTimeWindow = function (value) {\n this._events.push(new ReplayEvent(this._getNow(), value));\n this._trimBufferThenGetEvents();\n _super.prototype.next.call(this, value);\n };\n ReplaySubject.prototype._subscribe = function (subscriber) {\n var _infiniteTimeWindow = this._infiniteTimeWindow;\n var _events = _infiniteTimeWindow ? this._events : this._trimBufferThenGetEvents();\n var scheduler = this.scheduler;\n var len = _events.length;\n var subscription;\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else if (this.isStopped || this.hasError) {\n subscription = Subscription.EMPTY;\n }\n else {\n this.observers.push(subscriber);\n subscription = new SubjectSubscription(this, subscriber);\n }\n if (scheduler) {\n subscriber.add(subscriber = new ObserveOnSubscriber(subscriber, scheduler));\n }\n if (_infiniteTimeWindow) {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i]);\n }\n }\n else {\n for (var i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i].value);\n }\n }\n if (this.hasError) {\n subscriber.error(this.thrownError);\n }\n else if (this.isStopped) {\n subscriber.complete();\n }\n return subscription;\n };\n ReplaySubject.prototype._getNow = function () {\n return (this.scheduler || queue).now();\n };\n ReplaySubject.prototype._trimBufferThenGetEvents = function () {\n var now = this._getNow();\n var _bufferSize = this._bufferSize;\n var _windowTime = this._windowTime;\n var _events = this._events;\n var eventsCount = _events.length;\n var spliceCount = 0;\n while (spliceCount < eventsCount) {\n if ((now - _events[spliceCount].time) < _windowTime) {\n break;\n }\n spliceCount++;\n }\n if (eventsCount > _bufferSize) {\n spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n }\n if (spliceCount > 0) {\n _events.splice(0, spliceCount);\n }\n return _events;\n };\n return ReplaySubject;\n}(Subject));\nexport { ReplaySubject };\nvar ReplayEvent = (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map","export default function _has(prop, obj) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}","import _has from \"./_has.js\";\nvar toString = Object.prototype.toString;\n\nvar _isArguments =\n/*#__PURE__*/\nfunction () {\n return toString.call(arguments) === '[object Arguments]' ? function _isArguments(x) {\n return toString.call(x) === '[object Arguments]';\n } : function _isArguments(x) {\n return _has('callee', x);\n };\n}();\n\nexport default _isArguments;","import _curry1 from \"./internal/_curry1.js\";\nimport _has from \"./internal/_has.js\";\nimport _isArguments from \"./internal/_isArguments.js\"; // cover IE < 9 keys issues\n\nvar hasEnumBug = !\n/*#__PURE__*/\n{\n toString: null\n}.propertyIsEnumerable('toString');\nvar nonEnumerableProps = ['constructor', 'valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; // Safari bug\n\nvar hasArgsEnumBug =\n/*#__PURE__*/\nfunction () {\n 'use strict';\n\n return arguments.propertyIsEnumerable('length');\n}();\n\nvar contains = function contains(list, item) {\n var idx = 0;\n\n while (idx < list.length) {\n if (list[idx] === item) {\n return true;\n }\n\n idx += 1;\n }\n\n return false;\n};\n/**\n * Returns a list containing the names of all the enumerable own properties of\n * the supplied object.\n * Note that the order of the output array is not guaranteed to be consistent\n * across different JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [k]\n * @param {Object} obj The object to extract properties from\n * @return {Array} An array of the object's own properties.\n * @see R.keysIn, R.values\n * @example\n *\n * R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c']\n */\n\n\nvar keys = typeof Object.keys === 'function' && !hasArgsEnumBug ?\n/*#__PURE__*/\n_curry1(function keys(obj) {\n return Object(obj) !== obj ? [] : Object.keys(obj);\n}) :\n/*#__PURE__*/\n_curry1(function keys(obj) {\n if (Object(obj) !== obj) {\n return [];\n }\n\n var prop, nIdx;\n var ks = [];\n\n var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n\n for (prop in obj) {\n if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n ks[ks.length] = prop;\n }\n }\n\n if (hasEnumBug) {\n nIdx = nonEnumerableProps.length - 1;\n\n while (nIdx >= 0) {\n prop = nonEnumerableProps[nIdx];\n\n if (_has(prop, obj) && !contains(ks, prop)) {\n ks[ks.length] = prop;\n }\n\n nIdx -= 1;\n }\n }\n\n return ks;\n});\nexport default keys;","import { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = (function () { return Object.prototype.toString; })();\nexport function fromEvent(target, eventName, options, resultSelector) {\n if (isFunction(options)) {\n resultSelector = options;\n options = undefined;\n }\n if (resultSelector) {\n return fromEvent(target, eventName, options).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n function handler(e) {\n if (arguments.length > 1) {\n subscriber.next(Array.prototype.slice.call(arguments));\n }\n else {\n subscriber.next(e);\n }\n }\n setupSubscription(target, eventName, handler, subscriber, options);\n });\n}\nfunction setupSubscription(sourceObj, eventName, handler, subscriber, options) {\n var unsubscribe;\n if (isEventTarget(sourceObj)) {\n var source_1 = sourceObj;\n sourceObj.addEventListener(eventName, handler, options);\n unsubscribe = function () { return source_1.removeEventListener(eventName, handler, options); };\n }\n else if (isJQueryStyleEventEmitter(sourceObj)) {\n var source_2 = sourceObj;\n sourceObj.on(eventName, handler);\n unsubscribe = function () { return source_2.off(eventName, handler); };\n }\n else if (isNodeStyleEventEmitter(sourceObj)) {\n var source_3 = sourceObj;\n sourceObj.addListener(eventName, handler);\n unsubscribe = function () { return source_3.removeListener(eventName, handler); };\n }\n else if (sourceObj && sourceObj.length) {\n for (var i = 0, len = sourceObj.length; i < len; i++) {\n setupSubscription(sourceObj[i], eventName, handler, subscriber, options);\n }\n }\n else {\n throw new TypeError('Invalid event target');\n }\n subscriber.add(unsubscribe);\n}\nfunction isNodeStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';\n}\nfunction isJQueryStyleEventEmitter(sourceObj) {\n return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';\n}\nfunction isEventTarget(sourceObj) {\n return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';\n}\n//# sourceMappingURL=fromEvent.js.map","import { Observable } from '../Observable';\nimport { isScheduler } from '../util/isScheduler';\nimport { mergeAll } from '../operators/mergeAll';\nimport { fromArray } from './fromArray';\nexport function merge() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n var concurrent = Number.POSITIVE_INFINITY;\n var scheduler = null;\n var last = observables[observables.length - 1];\n if (isScheduler(last)) {\n scheduler = observables.pop();\n if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {\n concurrent = observables.pop();\n }\n }\n else if (typeof last === 'number') {\n concurrent = observables.pop();\n }\n if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {\n return observables[0];\n }\n return mergeAll(concurrent)(fromArray(observables, scheduler));\n}\n//# sourceMappingURL=merge.js.map","import { ReplaySubject } from '../ReplaySubject';\nexport function shareReplay(configOrBufferSize, windowTime, scheduler) {\n var config;\n if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n config = configOrBufferSize;\n }\n else {\n config = {\n bufferSize: configOrBufferSize,\n windowTime: windowTime,\n refCount: false,\n scheduler: scheduler\n };\n }\n return function (source) { return source.lift(shareReplayOperator(config)); };\n}\nfunction shareReplayOperator(_a) {\n var _b = _a.bufferSize, bufferSize = _b === void 0 ? Number.POSITIVE_INFINITY : _b, _c = _a.windowTime, windowTime = _c === void 0 ? Number.POSITIVE_INFINITY : _c, useRefCount = _a.refCount, scheduler = _a.scheduler;\n var subject;\n var refCount = 0;\n var subscription;\n var hasError = false;\n var isComplete = false;\n return function shareReplayOperation(source) {\n refCount++;\n if (!subject || hasError) {\n hasError = false;\n subject = new ReplaySubject(bufferSize, windowTime, scheduler);\n subscription = source.subscribe({\n next: function (value) { subject.next(value); },\n error: function (err) {\n hasError = true;\n subject.error(err);\n },\n complete: function () {\n isComplete = true;\n subscription = undefined;\n subject.complete();\n },\n });\n }\n var innerSub = subject.subscribe(this);\n this.add(function () {\n refCount--;\n innerSub.unsubscribe();\n if (subscription && !isComplete && useRefCount && refCount === 0) {\n subscription.unsubscribe();\n subscription = undefined;\n subject = undefined;\n }\n });\n };\n}\n//# sourceMappingURL=shareReplay.js.map","import { distinctUntilChanged } from './distinctUntilChanged';\nexport function distinctUntilKeyChanged(key, compare) {\n return distinctUntilChanged(function (x, y) { return compare ? compare(x[key], y[key]) : x[key] === y[key]; });\n}\n//# sourceMappingURL=distinctUntilKeyChanged.js.map","import { __extends, __spreadArrays } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function withLatestFrom() {\n var args = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n args[_i] = arguments[_i];\n }\n return function (source) {\n var project;\n if (typeof args[args.length - 1] === 'function') {\n project = args.pop();\n }\n var observables = args;\n return source.lift(new WithLatestFromOperator(observables, project));\n };\n}\nvar WithLatestFromOperator = (function () {\n function WithLatestFromOperator(observables, project) {\n this.observables = observables;\n this.project = project;\n }\n WithLatestFromOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));\n };\n return WithLatestFromOperator;\n}());\nvar WithLatestFromSubscriber = (function (_super) {\n __extends(WithLatestFromSubscriber, _super);\n function WithLatestFromSubscriber(destination, observables, project) {\n var _this = _super.call(this, destination) || this;\n _this.observables = observables;\n _this.project = project;\n _this.toRespond = [];\n var len = observables.length;\n _this.values = new Array(len);\n for (var i = 0; i < len; i++) {\n _this.toRespond.push(i);\n }\n for (var i = 0; i < len; i++) {\n var observable = observables[i];\n _this.add(subscribeToResult(_this, observable, observable, i));\n }\n return _this;\n }\n WithLatestFromSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.values[outerIndex] = innerValue;\n var toRespond = this.toRespond;\n if (toRespond.length > 0) {\n var found = toRespond.indexOf(outerIndex);\n if (found !== -1) {\n toRespond.splice(found, 1);\n }\n }\n };\n WithLatestFromSubscriber.prototype.notifyComplete = function () {\n };\n WithLatestFromSubscriber.prototype._next = function (value) {\n if (this.toRespond.length === 0) {\n var args = __spreadArrays([value], this.values);\n if (this.project) {\n this._tryProject(args);\n }\n else {\n this.destination.next(args);\n }\n }\n };\n WithLatestFromSubscriber.prototype._tryProject = function (args) {\n var result;\n try {\n result = this.project.apply(this, args);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(result);\n };\n return WithLatestFromSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=withLatestFrom.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function bufferCount(bufferSize, startBufferEvery) {\n if (startBufferEvery === void 0) { startBufferEvery = null; }\n return function bufferCountOperatorFunction(source) {\n return source.lift(new BufferCountOperator(bufferSize, startBufferEvery));\n };\n}\nvar BufferCountOperator = (function () {\n function BufferCountOperator(bufferSize, startBufferEvery) {\n this.bufferSize = bufferSize;\n this.startBufferEvery = startBufferEvery;\n if (!startBufferEvery || bufferSize === startBufferEvery) {\n this.subscriberClass = BufferCountSubscriber;\n }\n else {\n this.subscriberClass = BufferSkipCountSubscriber;\n }\n }\n BufferCountOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new this.subscriberClass(subscriber, this.bufferSize, this.startBufferEvery));\n };\n return BufferCountOperator;\n}());\nvar BufferCountSubscriber = (function (_super) {\n __extends(BufferCountSubscriber, _super);\n function BufferCountSubscriber(destination, bufferSize) {\n var _this = _super.call(this, destination) || this;\n _this.bufferSize = bufferSize;\n _this.buffer = [];\n return _this;\n }\n BufferCountSubscriber.prototype._next = function (value) {\n var buffer = this.buffer;\n buffer.push(value);\n if (buffer.length == this.bufferSize) {\n this.destination.next(buffer);\n this.buffer = [];\n }\n };\n BufferCountSubscriber.prototype._complete = function () {\n var buffer = this.buffer;\n if (buffer.length > 0) {\n this.destination.next(buffer);\n }\n _super.prototype._complete.call(this);\n };\n return BufferCountSubscriber;\n}(Subscriber));\nvar BufferSkipCountSubscriber = (function (_super) {\n __extends(BufferSkipCountSubscriber, _super);\n function BufferSkipCountSubscriber(destination, bufferSize, startBufferEvery) {\n var _this = _super.call(this, destination) || this;\n _this.bufferSize = bufferSize;\n _this.startBufferEvery = startBufferEvery;\n _this.buffers = [];\n _this.count = 0;\n return _this;\n }\n BufferSkipCountSubscriber.prototype._next = function (value) {\n var _a = this, bufferSize = _a.bufferSize, startBufferEvery = _a.startBufferEvery, buffers = _a.buffers, count = _a.count;\n this.count++;\n if (count % startBufferEvery === 0) {\n buffers.push([]);\n }\n for (var i = buffers.length; i--;) {\n var buffer = buffers[i];\n buffer.push(value);\n if (buffer.length === bufferSize) {\n buffers.splice(i, 1);\n this.destination.next(buffer);\n }\n }\n };\n BufferSkipCountSubscriber.prototype._complete = function () {\n var _a = this, buffers = _a.buffers, destination = _a.destination;\n while (buffers.length > 0) {\n var buffer = buffers.shift();\n if (buffer.length > 0) {\n destination.next(buffer);\n }\n }\n _super.prototype._complete.call(this);\n };\n return BufferSkipCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=bufferCount.js.map","import _curry1 from \"./_curry1.js\";\nimport _isPlaceholder from \"./_isPlaceholder.js\";\n/**\n * Optimized internal two-arity curry function.\n *\n * @private\n * @category Function\n * @param {Function} fn The function to curry.\n * @return {Function} The curried function.\n */\n\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\n });\n\n default:\n return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {\n return fn(_a, b);\n }) : _isPlaceholder(b) ? _curry1(function (_b) {\n return fn(a, _b);\n }) : fn(a, b);\n }\n };\n}","/**\n * Tests whether or not an object is an array.\n *\n * @private\n * @param {*} val The object to test.\n * @return {Boolean} `true` if `val` is an array, `false` otherwise.\n * @example\n *\n * _isArray([]); //=> true\n * _isArray(null); //=> false\n * _isArray({}); //=> false\n */\nexport default Array.isArray || function _isArray(val) {\n return val != null && val.length >= 0 && Object.prototype.toString.call(val) === '[object Array]';\n};","export default function _isTransformer(obj) {\n return obj != null && typeof obj['@@transducer/step'] === 'function';\n}","import _isArray from \"./_isArray.js\";\nimport _isTransformer from \"./_isTransformer.js\";\n/**\n * Returns a function that dispatches with different strategies based on the\n * object in list position (last argument). If it is an array, executes [fn].\n * Otherwise, if it has a function with one of the given method names, it will\n * execute that function (functor case). Otherwise, if it is a transformer,\n * uses transducer [xf] to return a new transformer (transducer case).\n * Otherwise, it will default to executing [fn].\n *\n * @private\n * @param {Array} methodNames properties to check for a custom implementation\n * @param {Function} xf transducer to initialize if object is transformer\n * @param {Function} fn default ramda implementation\n * @return {Function} A function that dispatches on object in list position\n */\n\nexport default function _dispatchable(methodNames, xf, fn) {\n return function () {\n if (arguments.length === 0) {\n return fn();\n }\n\n var args = Array.prototype.slice.call(arguments, 0);\n var obj = args.pop();\n\n if (!_isArray(obj)) {\n var idx = 0;\n\n while (idx < methodNames.length) {\n if (typeof obj[methodNames[idx]] === 'function') {\n return obj[methodNames[idx]].apply(obj, args);\n }\n\n idx += 1;\n }\n\n if (_isTransformer(obj)) {\n var transducer = xf.apply(null, args);\n return transducer(obj);\n }\n }\n\n return fn.apply(this, arguments);\n };\n}","export default {\n init: function () {\n return this.xf['@@transducer/init']();\n },\n result: function (result) {\n return this.xf['@@transducer/result'](result);\n }\n};","import _curry2 from \"./_curry2.js\";\nimport _xfBase from \"./_xfBase.js\";\n\nvar XFindLast =\n/*#__PURE__*/\nfunction () {\n function XFindLast(f, xf) {\n this.xf = xf;\n this.f = f;\n }\n\n XFindLast.prototype['@@transducer/init'] = _xfBase.init;\n\n XFindLast.prototype['@@transducer/result'] = function (result) {\n return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));\n };\n\n XFindLast.prototype['@@transducer/step'] = function (result, input) {\n if (this.f(input)) {\n this.last = input;\n }\n\n return result;\n };\n\n return XFindLast;\n}();\n\nvar _xfindLast =\n/*#__PURE__*/\n_curry2(function _xfindLast(f, xf) {\n return new XFindLast(f, xf);\n});\n\nexport default _xfindLast;","import _curry2 from \"./internal/_curry2.js\";\nimport _dispatchable from \"./internal/_dispatchable.js\";\nimport _xfindLast from \"./internal/_xfindLast.js\";\n/**\n * Returns the last element of the list which matches the predicate, or\n * `undefined` if no element matches.\n *\n * Acts as a transducer if a transformer is given in list position.\n *\n * @func\n * @memberOf R\n * @since v0.1.1\n * @category List\n * @sig (a -> Boolean) -> [a] -> a | undefined\n * @param {Function} fn The predicate function used to determine if the element is the\n * desired one.\n * @param {Array} list The array to consider.\n * @return {Object} The element found, or `undefined`.\n * @see R.transduce\n * @example\n *\n * const xs = [{a: 1, b: 0}, {a:1, b: 1}];\n * R.findLast(R.propEq('a', 1))(xs); //=> {a: 1, b: 1}\n * R.findLast(R.propEq('a', 4))(xs); //=> undefined\n */\n\nvar findLast =\n/*#__PURE__*/\n_curry2(\n/*#__PURE__*/\n_dispatchable([], _xfindLast, function findLast(fn, list) {\n var idx = list.length - 1;\n\n while (idx >= 0) {\n if (fn(list[idx])) {\n return list[idx];\n }\n\n idx -= 1;\n }\n}));\n\nexport default findLast;","import { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map","import { of } from './of';\nimport { concatAll } from '../operators/concatAll';\nexport function concat() {\n var observables = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n observables[_i] = arguments[_i];\n }\n return concatAll()(of.apply(void 0, observables));\n}\n//# sourceMappingURL=concat.js.map","import { concat } from '../observable/concat';\nimport { isScheduler } from '../util/isScheduler';\nexport function startWith() {\n var array = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n array[_i] = arguments[_i];\n }\n var scheduler = array[array.length - 1];\n if (isScheduler(scheduler)) {\n array.pop();\n return function (source) { return concat(array, source, scheduler); };\n }\n else {\n return function (source) { return concat(array, source); };\n }\n}\n//# sourceMappingURL=startWith.js.map","import _curry1 from \"./internal/_curry1.js\";\nimport _isString from \"./internal/_isString.js\";\n/**\n * Returns a new list or string with the elements or characters in reverse\n * order.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category List\n * @sig [a] -> [a]\n * @sig String -> String\n * @param {Array|String} list\n * @return {Array|String}\n * @example\n *\n * R.reverse([1, 2, 3]); //=> [3, 2, 1]\n * R.reverse([1, 2]); //=> [2, 1]\n * R.reverse([1]); //=> [1]\n * R.reverse([]); //=> []\n *\n * R.reverse('abc'); //=> 'cba'\n * R.reverse('ab'); //=> 'ba'\n * R.reverse('a'); //=> 'a'\n * R.reverse(''); //=> ''\n */\n\nvar reverse =\n/*#__PURE__*/\n_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\n\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import { __extends } from \"tslib\";\nimport { async } from '../scheduler/async';\nimport { isDate } from '../util/isDate';\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function delay(delay, scheduler) {\n if (scheduler === void 0) { scheduler = async; }\n var absoluteDelay = isDate(delay);\n var delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(delay);\n return function (source) { return source.lift(new DelayOperator(delayFor, scheduler)); };\n}\nvar DelayOperator = (function () {\n function DelayOperator(delay, scheduler) {\n this.delay = delay;\n this.scheduler = scheduler;\n }\n DelayOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler));\n };\n return DelayOperator;\n}());\nvar DelaySubscriber = (function (_super) {\n __extends(DelaySubscriber, _super);\n function DelaySubscriber(destination, delay, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.delay = delay;\n _this.scheduler = scheduler;\n _this.queue = [];\n _this.active = false;\n _this.errored = false;\n return _this;\n }\n DelaySubscriber.dispatch = function (state) {\n var source = state.source;\n var queue = source.queue;\n var scheduler = state.scheduler;\n var destination = state.destination;\n while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) {\n queue.shift().notification.observe(destination);\n }\n if (queue.length > 0) {\n var delay_1 = Math.max(0, queue[0].time - scheduler.now());\n this.schedule(state, delay_1);\n }\n else {\n this.unsubscribe();\n source.active = false;\n }\n };\n DelaySubscriber.prototype._schedule = function (scheduler) {\n this.active = true;\n var destination = this.destination;\n destination.add(scheduler.schedule(DelaySubscriber.dispatch, this.delay, {\n source: this, destination: this.destination, scheduler: scheduler\n }));\n };\n DelaySubscriber.prototype.scheduleNotification = function (notification) {\n if (this.errored === true) {\n return;\n }\n var scheduler = this.scheduler;\n var message = new DelayMessage(scheduler.now() + this.delay, notification);\n this.queue.push(message);\n if (this.active === false) {\n this._schedule(scheduler);\n }\n };\n DelaySubscriber.prototype._next = function (value) {\n this.scheduleNotification(Notification.createNext(value));\n };\n DelaySubscriber.prototype._error = function (err) {\n this.errored = true;\n this.queue = [];\n this.destination.error(err);\n this.unsubscribe();\n };\n DelaySubscriber.prototype._complete = function () {\n this.scheduleNotification(Notification.createComplete());\n this.unsubscribe();\n };\n return DelaySubscriber;\n}(Subscriber));\nvar DelayMessage = (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map","export function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = (function () {\n function MapToOperator(value) {\n this.value = value;\n }\n MapToOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new MapToSubscriber(subscriber, this.value));\n };\n return MapToOperator;\n}());\nvar MapToSubscriber = (function (_super) {\n __extends(MapToSubscriber, _super);\n function MapToSubscriber(destination, value) {\n var _this = _super.call(this, destination) || this;\n _this.value = value;\n return _this;\n }\n MapToSubscriber.prototype._next = function (x) {\n this.destination.next(this.value);\n };\n return MapToSubscriber;\n}(Subscriber));\n//# sourceMappingURL=mapTo.js.map","import { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nexport function fromEventPattern(addHandler, removeHandler, resultSelector) {\n if (resultSelector) {\n return fromEventPattern(addHandler, removeHandler).pipe(map(function (args) { return isArray(args) ? resultSelector.apply(void 0, args) : resultSelector(args); }));\n }\n return new Observable(function (subscriber) {\n var handler = function () {\n var e = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n e[_i] = arguments[_i];\n }\n return subscriber.next(e.length === 1 ? e[0] : e);\n };\n var retValue;\n try {\n retValue = addHandler(handler);\n }\n catch (err) {\n subscriber.error(err);\n return undefined;\n }\n if (!isFunction(removeHandler)) {\n return undefined;\n }\n return function () { return removeHandler(handler, retValue); };\n });\n}\n//# sourceMappingURL=fromEventPattern.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function filter(predicate, thisArg) {\n return function filterOperatorFunction(source) {\n return source.lift(new FilterOperator(predicate, thisArg));\n };\n}\nvar FilterOperator = (function () {\n function FilterOperator(predicate, thisArg) {\n this.predicate = predicate;\n this.thisArg = thisArg;\n }\n FilterOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));\n };\n return FilterOperator;\n}());\nvar FilterSubscriber = (function (_super) {\n __extends(FilterSubscriber, _super);\n function FilterSubscriber(destination, predicate, thisArg) {\n var _this = _super.call(this, destination) || this;\n _this.predicate = predicate;\n _this.thisArg = thisArg;\n _this.count = 0;\n return _this;\n }\n FilterSubscriber.prototype._next = function (value) {\n var result;\n try {\n result = this.predicate.call(this.thisArg, value, this.count++);\n }\n catch (err) {\n this.destination.error(err);\n return;\n }\n if (result) {\n this.destination.next(value);\n }\n };\n return FilterSubscriber;\n}(Subscriber));\n//# sourceMappingURL=filter.js.map","import { __extends } from \"tslib\";\nimport { Subject } from './Subject';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nvar BehaviorSubject = (function (_super) {\n __extends(BehaviorSubject, _super);\n function BehaviorSubject(_value) {\n var _this = _super.call(this) || this;\n _this._value = _value;\n return _this;\n }\n Object.defineProperty(BehaviorSubject.prototype, \"value\", {\n get: function () {\n return this.getValue();\n },\n enumerable: true,\n configurable: true\n });\n BehaviorSubject.prototype._subscribe = function (subscriber) {\n var subscription = _super.prototype._subscribe.call(this, subscriber);\n if (subscription && !subscription.closed) {\n subscriber.next(this._value);\n }\n return subscription;\n };\n BehaviorSubject.prototype.getValue = function () {\n if (this.hasError) {\n throw this.thrownError;\n }\n else if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n else {\n return this._value;\n }\n };\n BehaviorSubject.prototype.next = function (value) {\n _super.prototype.next.call(this, this._value = value);\n };\n return BehaviorSubject;\n}(Subject));\nexport { BehaviorSubject };\n//# sourceMappingURL=BehaviorSubject.js.map","import { map } from './map';\nexport function pluck() {\n var properties = [];\n for (var _i = 0; _i < arguments.length; _i++) {\n properties[_i] = arguments[_i];\n }\n var length = properties.length;\n if (length === 0) {\n throw new Error('list of properties cannot be empty.');\n }\n return function (source) { return map(plucker(properties, length))(source); };\n}\nfunction plucker(props, length) {\n var mapper = function (x) {\n var currentProp = x;\n for (var i = 0; i < length; i++) {\n var p = currentProp[props[i]];\n if (typeof p !== 'undefined') {\n currentProp = p;\n }\n else {\n return undefined;\n }\n }\n return currentProp;\n };\n return mapper;\n}\n//# sourceMappingURL=pluck.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport var defaultThrottleConfig = {\n leading: true,\n trailing: false\n};\nexport function throttle(durationSelector, config) {\n if (config === void 0) { config = defaultThrottleConfig; }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = (function () {\n function ThrottleOperator(durationSelector, leading, trailing) {\n this.durationSelector = durationSelector;\n this.leading = leading;\n this.trailing = trailing;\n }\n ThrottleOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new ThrottleSubscriber(subscriber, this.durationSelector, this.leading, this.trailing));\n };\n return ThrottleOperator;\n}());\nvar ThrottleSubscriber = (function (_super) {\n __extends(ThrottleSubscriber, _super);\n function ThrottleSubscriber(destination, durationSelector, _leading, _trailing) {\n var _this = _super.call(this, destination) || this;\n _this.destination = destination;\n _this.durationSelector = durationSelector;\n _this._leading = _leading;\n _this._trailing = _trailing;\n _this._hasValue = false;\n return _this;\n }\n ThrottleSubscriber.prototype._next = function (value) {\n this._hasValue = true;\n this._sendValue = value;\n if (!this._throttled) {\n if (this._leading) {\n this.send();\n }\n else {\n this.throttle(value);\n }\n }\n };\n ThrottleSubscriber.prototype.send = function () {\n var _a = this, _hasValue = _a._hasValue, _sendValue = _a._sendValue;\n if (_hasValue) {\n this.destination.next(_sendValue);\n this.throttle(_sendValue);\n }\n this._hasValue = false;\n this._sendValue = null;\n };\n ThrottleSubscriber.prototype.throttle = function (value) {\n var duration = this.tryDurationSelector(value);\n if (!!duration) {\n this.add(this._throttled = subscribeToResult(this, duration));\n }\n };\n ThrottleSubscriber.prototype.tryDurationSelector = function (value) {\n try {\n return this.durationSelector(value);\n }\n catch (err) {\n this.destination.error(err);\n return null;\n }\n };\n ThrottleSubscriber.prototype.throttlingDone = function () {\n var _a = this, _throttled = _a._throttled, _trailing = _a._trailing;\n if (_throttled) {\n _throttled.unsubscribe();\n }\n this._throttled = null;\n if (_trailing) {\n this.send();\n }\n };\n ThrottleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.throttlingDone();\n };\n ThrottleSubscriber.prototype.notifyComplete = function () {\n this.throttlingDone();\n };\n return ThrottleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=throttle.js.map","import { switchMap } from './switchMap';\nexport function switchMapTo(innerObservable, resultSelector) {\n return resultSelector ? switchMap(function () { return innerObservable; }, resultSelector) : switchMap(function () { return innerObservable; });\n}\n//# sourceMappingURL=switchMapTo.js.map","import { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = (function () {\n function SkipOperator(total) {\n this.total = total;\n }\n SkipOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new SkipSubscriber(subscriber, this.total));\n };\n return SkipOperator;\n}());\nvar SkipSubscriber = (function (_super) {\n __extends(SkipSubscriber, _super);\n function SkipSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n SkipSubscriber.prototype._next = function (x) {\n if (++this.count > this.total) {\n this.destination.next(x);\n }\n };\n return SkipSubscriber;\n}(Subscriber));\n//# sourceMappingURL=skip.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function catchError(selector) {\n return function catchErrorOperatorFunction(source) {\n var operator = new CatchOperator(selector);\n var caught = source.lift(operator);\n return (operator.caught = caught);\n };\n}\nvar CatchOperator = (function () {\n function CatchOperator(selector) {\n this.selector = selector;\n }\n CatchOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new CatchSubscriber(subscriber, this.selector, this.caught));\n };\n return CatchOperator;\n}());\nvar CatchSubscriber = (function (_super) {\n __extends(CatchSubscriber, _super);\n function CatchSubscriber(destination, selector, caught) {\n var _this = _super.call(this, destination) || this;\n _this.selector = selector;\n _this.caught = caught;\n return _this;\n }\n CatchSubscriber.prototype.error = function (err) {\n if (!this.isStopped) {\n var result = void 0;\n try {\n result = this.selector(err, this.caught);\n }\n catch (err2) {\n _super.prototype.error.call(this, err2);\n return;\n }\n this._unsubscribeAndRecycle();\n var innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n this.add(innerSubscriber);\n var innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n if (innerSubscription !== innerSubscriber) {\n this.add(innerSubscription);\n }\n }\n };\n return CatchSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=catchError.js.map","import { __extends } from \"tslib\";\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nexport function sample(notifier) {\n return function (source) { return source.lift(new SampleOperator(notifier)); };\n}\nvar SampleOperator = (function () {\n function SampleOperator(notifier) {\n this.notifier = notifier;\n }\n SampleOperator.prototype.call = function (subscriber, source) {\n var sampleSubscriber = new SampleSubscriber(subscriber);\n var subscription = source.subscribe(sampleSubscriber);\n subscription.add(subscribeToResult(sampleSubscriber, this.notifier));\n return subscription;\n };\n return SampleOperator;\n}());\nvar SampleSubscriber = (function (_super) {\n __extends(SampleSubscriber, _super);\n function SampleSubscriber() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n _this.hasValue = false;\n return _this;\n }\n SampleSubscriber.prototype._next = function (value) {\n this.value = value;\n this.hasValue = true;\n };\n SampleSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {\n this.emitValue();\n };\n SampleSubscriber.prototype.notifyComplete = function () {\n this.emitValue();\n };\n SampleSubscriber.prototype.emitValue = function () {\n if (this.hasValue) {\n this.hasValue = false;\n this.destination.next(this.value);\n }\n };\n return SampleSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=sample.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { async } from '../scheduler/async';\nexport function debounceTime(dueTime, scheduler) {\n if (scheduler === void 0) { scheduler = async; }\n return function (source) { return source.lift(new DebounceTimeOperator(dueTime, scheduler)); };\n}\nvar DebounceTimeOperator = (function () {\n function DebounceTimeOperator(dueTime, scheduler) {\n this.dueTime = dueTime;\n this.scheduler = scheduler;\n }\n DebounceTimeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new DebounceTimeSubscriber(subscriber, this.dueTime, this.scheduler));\n };\n return DebounceTimeOperator;\n}());\nvar DebounceTimeSubscriber = (function (_super) {\n __extends(DebounceTimeSubscriber, _super);\n function DebounceTimeSubscriber(destination, dueTime, scheduler) {\n var _this = _super.call(this, destination) || this;\n _this.dueTime = dueTime;\n _this.scheduler = scheduler;\n _this.debouncedSubscription = null;\n _this.lastValue = null;\n _this.hasValue = false;\n return _this;\n }\n DebounceTimeSubscriber.prototype._next = function (value) {\n this.clearDebounce();\n this.lastValue = value;\n this.hasValue = true;\n this.add(this.debouncedSubscription = this.scheduler.schedule(dispatchNext, this.dueTime, this));\n };\n DebounceTimeSubscriber.prototype._complete = function () {\n this.debouncedNext();\n this.destination.complete();\n };\n DebounceTimeSubscriber.prototype.debouncedNext = function () {\n this.clearDebounce();\n if (this.hasValue) {\n var lastValue = this.lastValue;\n this.lastValue = null;\n this.hasValue = false;\n this.destination.next(lastValue);\n }\n };\n DebounceTimeSubscriber.prototype.clearDebounce = function () {\n var debouncedSubscription = this.debouncedSubscription;\n if (debouncedSubscription !== null) {\n this.remove(debouncedSubscription);\n debouncedSubscription.unsubscribe();\n this.debouncedSubscription = null;\n }\n };\n return DebounceTimeSubscriber;\n}(Subscriber));\nfunction dispatchNext(subscriber) {\n subscriber.debouncedNext();\n}\n//# sourceMappingURL=debounceTime.js.map","import { defer } from './defer';\nimport { EMPTY } from './empty';\nexport function iif(condition, trueResult, falseResult) {\n if (trueResult === void 0) { trueResult = EMPTY; }\n if (falseResult === void 0) { falseResult = EMPTY; }\n return defer(function () { return condition() ? trueResult : falseResult; });\n}\n//# sourceMappingURL=iif.js.map","import _curry1 from \"./internal/_curry1.js\";\nimport keys from \"./keys.js\";\n/**\n * Returns a list of all the enumerable own properties of the supplied object.\n * Note that the order of the output array is not guaranteed across different\n * JS platforms.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Object\n * @sig {k: v} -> [v]\n * @param {Object} obj The object to extract values from\n * @return {Array} An array of the values of the object's own properties.\n * @see R.valuesIn, R.keys\n * @example\n *\n * R.values({a: 1, b: 2, c: 3}); //=> [1, 2, 3]\n */\n\nvar values =\n/*#__PURE__*/\n_curry1(function values(obj) {\n var props = keys(obj);\n var len = props.length;\n var vals = [];\n var idx = 0;\n\n while (idx < len) {\n vals[idx] = obj[props[idx]];\n idx += 1;\n }\n\n return vals;\n});\n\nexport default values;","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function refCount() {\n return function refCountOperatorFunction(source) {\n return source.lift(new RefCountOperator(source));\n };\n}\nvar RefCountOperator = (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = (function (_super) {\n __extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=refCount.js.map","import { __extends } from \"tslib\";\nimport { SubjectSubscriber } from '../Subject';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { refCount as higherOrderRefCount } from '../operators/refCount';\nvar ConnectableObservable = (function (_super) {\n __extends(ConnectableObservable, _super);\n function ConnectableObservable(source, subjectFactory) {\n var _this = _super.call(this) || this;\n _this.source = source;\n _this.subjectFactory = subjectFactory;\n _this._refCount = 0;\n _this._isComplete = false;\n return _this;\n }\n ConnectableObservable.prototype._subscribe = function (subscriber) {\n return this.getSubject().subscribe(subscriber);\n };\n ConnectableObservable.prototype.getSubject = function () {\n var subject = this._subject;\n if (!subject || subject.isStopped) {\n this._subject = this.subjectFactory();\n }\n return this._subject;\n };\n ConnectableObservable.prototype.connect = function () {\n var connection = this._connection;\n if (!connection) {\n this._isComplete = false;\n connection = this._connection = new Subscription();\n connection.add(this.source\n .subscribe(new ConnectableSubscriber(this.getSubject(), this)));\n if (connection.closed) {\n this._connection = null;\n connection = Subscription.EMPTY;\n }\n }\n return connection;\n };\n ConnectableObservable.prototype.refCount = function () {\n return higherOrderRefCount()(this);\n };\n return ConnectableObservable;\n}(Observable));\nexport { ConnectableObservable };\nexport var connectableObservableDescriptor = (function () {\n var connectableProto = ConnectableObservable.prototype;\n return {\n operator: { value: null },\n _refCount: { value: 0, writable: true },\n _subject: { value: null, writable: true },\n _connection: { value: null, writable: true },\n _subscribe: { value: connectableProto._subscribe },\n _isComplete: { value: connectableProto._isComplete, writable: true },\n getSubject: { value: connectableProto.getSubject },\n connect: { value: connectableProto.connect },\n refCount: { value: connectableProto.refCount }\n };\n})();\nvar ConnectableSubscriber = (function (_super) {\n __extends(ConnectableSubscriber, _super);\n function ConnectableSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n ConnectableSubscriber.prototype._error = function (err) {\n this._unsubscribe();\n _super.prototype._error.call(this, err);\n };\n ConnectableSubscriber.prototype._complete = function () {\n this.connectable._isComplete = true;\n this._unsubscribe();\n _super.prototype._complete.call(this);\n };\n ConnectableSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (connectable) {\n this.connectable = null;\n var connection = connectable._connection;\n connectable._refCount = 0;\n connectable._subject = null;\n connectable._connection = null;\n if (connection) {\n connection.unsubscribe();\n }\n }\n };\n return ConnectableSubscriber;\n}(SubjectSubscriber));\nvar RefCountOperator = (function () {\n function RefCountOperator(connectable) {\n this.connectable = connectable;\n }\n RefCountOperator.prototype.call = function (subscriber, source) {\n var connectable = this.connectable;\n connectable._refCount++;\n var refCounter = new RefCountSubscriber(subscriber, connectable);\n var subscription = source.subscribe(refCounter);\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n return subscription;\n };\n return RefCountOperator;\n}());\nvar RefCountSubscriber = (function (_super) {\n __extends(RefCountSubscriber, _super);\n function RefCountSubscriber(destination, connectable) {\n var _this = _super.call(this, destination) || this;\n _this.connectable = connectable;\n return _this;\n }\n RefCountSubscriber.prototype._unsubscribe = function () {\n var connectable = this.connectable;\n if (!connectable) {\n this.connection = null;\n return;\n }\n this.connectable = null;\n var refCount = connectable._refCount;\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n connectable._refCount = refCount - 1;\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n var connection = this.connection;\n var sharedConnection = connectable._connection;\n this.connection = null;\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n };\n return RefCountSubscriber;\n}(Subscriber));\n//# sourceMappingURL=ConnectableObservable.js.map","import { connectableObservableDescriptor } from '../observable/ConnectableObservable';\nexport function multicast(subjectOrSubjectFactory, selector) {\n return function multicastOperatorFunction(source) {\n var subjectFactory;\n if (typeof subjectOrSubjectFactory === 'function') {\n subjectFactory = subjectOrSubjectFactory;\n }\n else {\n subjectFactory = function subjectFactory() {\n return subjectOrSubjectFactory;\n };\n }\n if (typeof selector === 'function') {\n return source.lift(new MulticastOperator(subjectFactory, selector));\n }\n var connectable = Object.create(source, connectableObservableDescriptor);\n connectable.source = source;\n connectable.subjectFactory = subjectFactory;\n return connectable;\n };\n}\nvar MulticastOperator = (function () {\n function MulticastOperator(subjectFactory, selector) {\n this.subjectFactory = subjectFactory;\n this.selector = selector;\n }\n MulticastOperator.prototype.call = function (subscriber, source) {\n var selector = this.selector;\n var subject = this.subjectFactory();\n var subscription = selector(subject).subscribe(subscriber);\n subscription.add(source.subscribe(subject));\n return subscription;\n };\n return MulticastOperator;\n}());\nexport { MulticastOperator };\n//# sourceMappingURL=multicast.js.map","import { multicast } from './multicast';\nimport { refCount } from './refCount';\nimport { Subject } from '../Subject';\nfunction shareSubjectFactory() {\n return new Subject();\n}\nexport function share() {\n return function (source) { return refCount()(multicast(shareSubjectFactory)(source)); };\n}\n//# sourceMappingURL=share.js.map","export default function _identity(x) {\n return x;\n}","import _curry1 from \"./internal/_curry1.js\";\nimport _identity from \"./internal/_identity.js\";\n/**\n * A function that does nothing but return the parameter supplied to it. Good\n * as a default or placeholder function.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Function\n * @sig a -> a\n * @param {*} x The value to return.\n * @return {*} The input value, `x`.\n * @example\n *\n * R.identity(1); //=> 1\n *\n * const obj = {};\n * R.identity(obj) === obj; //=> true\n * @symb R.identity(a) = a\n */\n\nvar identity =\n/*#__PURE__*/\n_curry1(_identity);\n\nexport default identity;","var ArgumentOutOfRangeErrorImpl = (function () {\n function ArgumentOutOfRangeErrorImpl() {\n Error.call(this);\n this.message = 'argument out of range';\n this.name = 'ArgumentOutOfRangeError';\n return this;\n }\n ArgumentOutOfRangeErrorImpl.prototype = Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map","import { __extends } from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nexport function take(count) {\n return function (source) {\n if (count === 0) {\n return empty();\n }\n else {\n return source.lift(new TakeOperator(count));\n }\n };\n}\nvar TakeOperator = (function () {\n function TakeOperator(total) {\n this.total = total;\n if (this.total < 0) {\n throw new ArgumentOutOfRangeError;\n }\n }\n TakeOperator.prototype.call = function (subscriber, source) {\n return source.subscribe(new TakeSubscriber(subscriber, this.total));\n };\n return TakeOperator;\n}());\nvar TakeSubscriber = (function (_super) {\n __extends(TakeSubscriber, _super);\n function TakeSubscriber(destination, total) {\n var _this = _super.call(this, destination) || this;\n _this.total = total;\n _this.count = 0;\n return _this;\n }\n TakeSubscriber.prototype._next = function (value) {\n var total = this.total;\n var count = ++this.count;\n if (count <= total) {\n this.destination.next(value);\n if (count === total) {\n this.destination.complete();\n this.unsubscribe();\n }\n }\n };\n return TakeSubscriber;\n}(Subscriber));\n//# sourceMappingURL=take.js.map","import { __extends } from \"tslib\";\nimport { root } from '../../util/root';\nimport { Observable } from '../../Observable';\nimport { Subscriber } from '../../Subscriber';\nimport { map } from '../../operators/map';\nfunction getCORSRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else if (!!root.XDomainRequest) {\n return new root.XDomainRequest();\n }\n else {\n throw new Error('CORS is not supported by your browser');\n }\n}\nfunction getXMLHttpRequest() {\n if (root.XMLHttpRequest) {\n return new root.XMLHttpRequest();\n }\n else {\n var progId = void 0;\n try {\n var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];\n for (var i = 0; i < 3; i++) {\n try {\n progId = progIds[i];\n if (new root.ActiveXObject(progId)) {\n break;\n }\n }\n catch (e) {\n }\n }\n return new root.ActiveXObject(progId);\n }\n catch (e) {\n throw new Error('XMLHttpRequest is not supported by your browser');\n }\n }\n}\nexport function ajaxGet(url, headers) {\n if (headers === void 0) { headers = null; }\n return new AjaxObservable({ method: 'GET', url: url, headers: headers });\n}\nexport function ajaxPost(url, body, headers) {\n return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers });\n}\nexport function ajaxDelete(url, headers) {\n return new AjaxObservable({ method: 'DELETE', url: url, headers: headers });\n}\nexport function ajaxPut(url, body, headers) {\n return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers });\n}\nexport function ajaxPatch(url, body, headers) {\n return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers });\n}\nvar mapResponse = map(function (x, index) { return x.response; });\nexport function ajaxGetJSON(url, headers) {\n return mapResponse(new AjaxObservable({\n method: 'GET',\n url: url,\n responseType: 'json',\n headers: headers\n }));\n}\nvar AjaxObservable = (function (_super) {\n __extends(AjaxObservable, _super);\n function AjaxObservable(urlOrRequest) {\n var _this = _super.call(this) || this;\n var request = {\n async: true,\n createXHR: function () {\n return this.crossDomain ? getCORSRequest() : getXMLHttpRequest();\n },\n crossDomain: true,\n withCredentials: false,\n headers: {},\n method: 'GET',\n responseType: 'json',\n timeout: 0\n };\n if (typeof urlOrRequest === 'string') {\n request.url = urlOrRequest;\n }\n else {\n for (var prop in urlOrRequest) {\n if (urlOrRequest.hasOwnProperty(prop)) {\n request[prop] = urlOrRequest[prop];\n }\n }\n }\n _this.request = request;\n return _this;\n }\n AjaxObservable.prototype._subscribe = function (subscriber) {\n return new AjaxSubscriber(subscriber, this.request);\n };\n AjaxObservable.create = (function () {\n var create = function (urlOrRequest) {\n return new AjaxObservable(urlOrRequest);\n };\n create.get = ajaxGet;\n create.post = ajaxPost;\n create.delete = ajaxDelete;\n create.put = ajaxPut;\n create.patch = ajaxPatch;\n create.getJSON = ajaxGetJSON;\n return create;\n })();\n return AjaxObservable;\n}(Observable));\nexport { AjaxObservable };\nvar AjaxSubscriber = (function (_super) {\n __extends(AjaxSubscriber, _super);\n function AjaxSubscriber(destination, request) {\n var _this = _super.call(this, destination) || this;\n _this.request = request;\n _this.done = false;\n var headers = request.headers = request.headers || {};\n if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) {\n headers['X-Requested-With'] = 'XMLHttpRequest';\n }\n var contentTypeHeader = _this.getHeader(headers, 'Content-Type');\n if (!contentTypeHeader && !(root.FormData && request.body instanceof root.FormData) && typeof request.body !== 'undefined') {\n headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';\n }\n request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type'));\n _this.send();\n return _this;\n }\n AjaxSubscriber.prototype.next = function (e) {\n this.done = true;\n var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination;\n var result;\n try {\n result = new AjaxResponse(e, xhr, request);\n }\n catch (err) {\n return destination.error(err);\n }\n destination.next(result);\n };\n AjaxSubscriber.prototype.send = function () {\n var _a = this, request = _a.request, _b = _a.request, user = _b.user, method = _b.method, url = _b.url, async = _b.async, password = _b.password, headers = _b.headers, body = _b.body;\n try {\n var xhr = this.xhr = request.createXHR();\n this.setupEvents(xhr, request);\n if (user) {\n xhr.open(method, url, async, user, password);\n }\n else {\n xhr.open(method, url, async);\n }\n if (async) {\n xhr.timeout = request.timeout;\n xhr.responseType = request.responseType;\n }\n if ('withCredentials' in xhr) {\n xhr.withCredentials = !!request.withCredentials;\n }\n this.setHeaders(xhr, headers);\n if (body) {\n xhr.send(body);\n }\n else {\n xhr.send();\n }\n }\n catch (err) {\n this.error(err);\n }\n };\n AjaxSubscriber.prototype.serializeBody = function (body, contentType) {\n if (!body || typeof body === 'string') {\n return body;\n }\n else if (root.FormData && body instanceof root.FormData) {\n return body;\n }\n if (contentType) {\n var splitIndex = contentType.indexOf(';');\n if (splitIndex !== -1) {\n contentType = contentType.substring(0, splitIndex);\n }\n }\n switch (contentType) {\n case 'application/x-www-form-urlencoded':\n return Object.keys(body).map(function (key) { return encodeURIComponent(key) + \"=\" + encodeURIComponent(body[key]); }).join('&');\n case 'application/json':\n return JSON.stringify(body);\n default:\n return body;\n }\n };\n AjaxSubscriber.prototype.setHeaders = function (xhr, headers) {\n for (var key in headers) {\n if (headers.hasOwnProperty(key)) {\n xhr.setRequestHeader(key, headers[key]);\n }\n }\n };\n AjaxSubscriber.prototype.getHeader = function (headers, headerName) {\n for (var key in headers) {\n if (key.toLowerCase() === headerName.toLowerCase()) {\n return headers[key];\n }\n }\n return undefined;\n };\n AjaxSubscriber.prototype.setupEvents = function (xhr, request) {\n var progressSubscriber = request.progressSubscriber;\n function xhrTimeout(e) {\n var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxTimeoutError(this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n xhr.ontimeout = xhrTimeout;\n xhrTimeout.request = request;\n xhrTimeout.subscriber = this;\n xhrTimeout.progressSubscriber = progressSubscriber;\n if (xhr.upload && 'withCredentials' in xhr) {\n if (progressSubscriber) {\n var xhrProgress_1;\n xhrProgress_1 = function (e) {\n var progressSubscriber = xhrProgress_1.progressSubscriber;\n progressSubscriber.next(e);\n };\n if (root.XDomainRequest) {\n xhr.onprogress = xhrProgress_1;\n }\n else {\n xhr.upload.onprogress = xhrProgress_1;\n }\n xhrProgress_1.progressSubscriber = progressSubscriber;\n }\n var xhrError_1;\n xhrError_1 = function (e) {\n var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request;\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error;\n try {\n error = new AjaxError('ajax error', this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n };\n xhr.onerror = xhrError_1;\n xhrError_1.request = request;\n xhrError_1.subscriber = this;\n xhrError_1.progressSubscriber = progressSubscriber;\n }\n function xhrReadyStateChange(e) {\n return;\n }\n xhr.onreadystatechange = xhrReadyStateChange;\n xhrReadyStateChange.subscriber = this;\n xhrReadyStateChange.progressSubscriber = progressSubscriber;\n xhrReadyStateChange.request = request;\n function xhrLoad(e) {\n var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;\n if (this.readyState === 4) {\n var status_1 = this.status === 1223 ? 204 : this.status;\n var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response);\n if (status_1 === 0) {\n status_1 = response ? 200 : 0;\n }\n if (status_1 < 400) {\n if (progressSubscriber) {\n progressSubscriber.complete();\n }\n subscriber.next(e);\n subscriber.complete();\n }\n else {\n if (progressSubscriber) {\n progressSubscriber.error(e);\n }\n var error = void 0;\n try {\n error = new AjaxError('ajax error ' + status_1, this, request);\n }\n catch (err) {\n error = err;\n }\n subscriber.error(error);\n }\n }\n }\n xhr.onload = xhrLoad;\n xhrLoad.subscriber = this;\n xhrLoad.progressSubscriber = progressSubscriber;\n xhrLoad.request = request;\n };\n AjaxSubscriber.prototype.unsubscribe = function () {\n var _a = this, done = _a.done, xhr = _a.xhr;\n if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') {\n xhr.abort();\n }\n _super.prototype.unsubscribe.call(this);\n };\n return AjaxSubscriber;\n}(Subscriber));\nexport { AjaxSubscriber };\nvar AjaxResponse = (function () {\n function AjaxResponse(originalEvent, xhr, request) {\n this.originalEvent = originalEvent;\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n }\n return AjaxResponse;\n}());\nexport { AjaxResponse };\nvar AjaxErrorImpl = (function () {\n function AjaxErrorImpl(message, xhr, request) {\n Error.call(this);\n this.message = message;\n this.name = 'AjaxError';\n this.xhr = xhr;\n this.request = request;\n this.status = xhr.status;\n this.responseType = xhr.responseType || request.responseType;\n this.response = parseXhrResponse(this.responseType, xhr);\n return this;\n }\n AjaxErrorImpl.prototype = Object.create(Error.prototype);\n return AjaxErrorImpl;\n})();\nexport var AjaxError = AjaxErrorImpl;\nfunction parseJson(xhr) {\n if ('response' in xhr) {\n return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null');\n }\n else {\n return JSON.parse(xhr.responseText || 'null');\n }\n}\nfunction parseXhrResponse(responseType, xhr) {\n switch (responseType) {\n case 'json':\n return parseJson(xhr);\n case 'xml':\n return xhr.responseXML;\n case 'text':\n default:\n return ('response' in xhr) ? xhr.response : xhr.responseText;\n }\n}\nfunction AjaxTimeoutErrorImpl(xhr, request) {\n AjaxError.call(this, 'ajax timeout', xhr, request);\n this.name = 'AjaxTimeoutError';\n return this;\n}\nexport var AjaxTimeoutError = AjaxTimeoutErrorImpl;\n//# sourceMappingURL=AjaxObservable.js.map","import { AjaxObservable } from './AjaxObservable';\nexport var ajax = (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/javascripts/worker/search.7f7c8775.min.js.map b/material/assets/javascripts/worker/search.7f7c8775.min.js.map index a8f8f0b8c..1c0d210f0 100644 --- 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@license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n * this.field('title')\n * this.field('body')\n * this.ref('id')\n *\n * documents.forEach(function (doc) {\n * this.add(doc)\n * }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n var builder = new lunr.Builder\n\n builder.pipeline.add(\n lunr.trimmer,\n lunr.stopWordFilter,\n lunr.stemmer\n )\n\n builder.searchPipeline.add(\n lunr.stemmer\n )\n\n config.call(builder, builder)\n return builder.build()\n}\n\nlunr.version = \"2.3.8\"\n/*!\n * lunr.utils\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n /* eslint-disable no-console */\n return function (message) {\n if (global.console && console.warn) {\n console.warn(message)\n }\n }\n /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n if (obj === void 0 || obj === null) {\n return \"\"\n } else {\n return obj.toString()\n }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n if (obj === null || obj === undefined) {\n return obj\n }\n\n var clone = Object.create(null),\n keys = Object.keys(obj)\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i],\n val = obj[key]\n\n if (Array.isArray(val)) {\n clone[key] = val.slice()\n continue\n }\n\n if (typeof val === 'string' ||\n typeof val === 'number' ||\n typeof val === 'boolean') {\n clone[key] = val\n continue\n }\n\n throw new TypeError(\"clone is not deep and does not support nested objects\")\n }\n\n return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n this.docRef = docRef\n this.fieldName = fieldName\n this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n var n = s.indexOf(lunr.FieldRef.joiner)\n\n if (n === -1) {\n throw \"malformed field ref string\"\n }\n\n var fieldRef = s.slice(0, n),\n docRef = s.slice(n + 1)\n\n return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n if (this._stringValue == undefined) {\n this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n }\n\n return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n this.elements = Object.create(null)\n\n if (elements) {\n this.length = elements.length\n\n for (var i = 0; i < this.length; i++) {\n this.elements[elements[i]] = true\n }\n } else {\n this.length = 0\n }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n intersect: function (other) {\n return other\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return true\n }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n intersect: function () {\n return this\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return false\n }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n var a, b, elements, intersection = []\n\n if (other === lunr.Set.complete) {\n return this\n }\n\n if (other === lunr.Set.empty) {\n return other\n }\n\n if (this.length < other.length) {\n a = this\n b = other\n } else {\n a = other\n b = this\n }\n\n elements = Object.keys(a.elements)\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i]\n if (element in b.elements) {\n intersection.push(element)\n }\n }\n\n return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n if (other === lunr.Set.complete) {\n return lunr.Set.complete\n }\n\n if (other === lunr.Set.empty) {\n return this\n }\n\n return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n var documentsWithTerm = 0\n\n for (var fieldName in posting) {\n if (fieldName == '_index') continue // Ignore the term index, its not a field\n documentsWithTerm += Object.keys(posting[fieldName]).length\n }\n\n var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n this.str = str || \"\"\n this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n * return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n this.str = fn(this.str, this.metadata)\n return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n fn = fn || function (s) { return s }\n return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n if (obj == null || obj == undefined) {\n return []\n }\n\n if (Array.isArray(obj)) {\n return obj.map(function (t) {\n return new lunr.Token(\n lunr.utils.asString(t).toLowerCase(),\n lunr.utils.clone(metadata)\n )\n })\n }\n\n var str = obj.toString().toLowerCase(),\n len = str.length,\n tokens = []\n\n for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n var char = str.charAt(sliceEnd),\n sliceLength = sliceEnd - sliceStart\n\n if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n if (sliceLength > 0) {\n var tokenMetadata = lunr.utils.clone(metadata) || {}\n tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n tokenMetadata[\"index\"] = tokens.length\n\n tokens.push(\n new lunr.Token (\n str.slice(sliceStart, sliceEnd),\n tokenMetadata\n )\n )\n }\n\n sliceStart = sliceEnd + 1\n }\n\n }\n\n return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n if (label in this.registeredFunctions) {\n lunr.utils.warn('Overwriting existing registered function: ' + label)\n }\n\n fn.label = label\n lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n if (!isRegistered) {\n lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n var pipeline = new lunr.Pipeline\n\n serialised.forEach(function (fnName) {\n var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n if (fn) {\n pipeline.add(fn)\n } else {\n throw new Error('Cannot load unregistered function: ' + fnName)\n }\n })\n\n return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n var fns = Array.prototype.slice.call(arguments)\n\n fns.forEach(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n this._stack.push(fn)\n }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n pos = pos + 1\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n var pos = this._stack.indexOf(fn)\n if (pos == -1) {\n return\n }\n\n this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n var stackLength = this._stack.length\n\n for (var i = 0; i < stackLength; i++) {\n var fn = this._stack[i]\n var memo = []\n\n for (var j = 0; j < tokens.length; j++) {\n var result = fn(tokens[j], j, tokens)\n\n if (result === null || result === void 0 || result === '') continue\n\n if (Array.isArray(result)) {\n for (var k = 0; k < result.length; k++) {\n memo.push(result[k])\n }\n } else {\n memo.push(result)\n }\n }\n\n tokens = memo\n }\n\n return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n var token = new lunr.Token (str, metadata)\n\n return this.run([token]).map(function (t) {\n return t.toString()\n })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n return this._stack.map(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n return fn.label\n })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n this._magnitude = 0\n this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n // For an empty vector the tuple can be inserted at the beginning\n if (this.elements.length == 0) {\n return 0\n }\n\n var start = 0,\n end = this.elements.length / 2,\n sliceLength = end - start,\n pivotPoint = Math.floor(sliceLength / 2),\n pivotIndex = this.elements[pivotPoint * 2]\n\n while (sliceLength > 1) {\n if (pivotIndex < index) {\n start = pivotPoint\n }\n\n if (pivotIndex > index) {\n end = pivotPoint\n }\n\n if (pivotIndex == index) {\n break\n }\n\n sliceLength = end - start\n pivotPoint = start + Math.floor(sliceLength / 2)\n pivotIndex = this.elements[pivotPoint * 2]\n }\n\n if (pivotIndex == index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex > index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex < index) {\n return (pivotPoint + 1) * 2\n }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n this.upsert(insertIdx, val, function () {\n throw \"duplicate index\"\n })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n this._magnitude = 0\n var position = this.positionForIndex(insertIdx)\n\n if (this.elements[position] == insertIdx) {\n this.elements[position + 1] = fn(this.elements[position + 1], val)\n } else {\n this.elements.splice(position, 0, insertIdx, val)\n }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n if (this._magnitude) return this._magnitude\n\n var sumOfSquares = 0,\n elementsLength = this.elements.length\n\n for (var i = 1; i < elementsLength; i += 2) {\n var val = this.elements[i]\n sumOfSquares += val * val\n }\n\n return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n var dotProduct = 0,\n a = this.elements, b = otherVector.elements,\n aLen = a.length, bLen = b.length,\n aVal = 0, bVal = 0,\n i = 0, j = 0\n\n while (i < aLen && j < bLen) {\n aVal = a[i], bVal = b[j]\n if (aVal < bVal) {\n i += 2\n } else if (aVal > bVal) {\n j += 2\n } else if (aVal == bVal) {\n dotProduct += a[i + 1] * b[j + 1]\n i += 2\n j += 2\n }\n }\n\n return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n var output = new Array (this.elements.length / 2)\n\n for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n output[j] = this.elements[i]\n }\n\n return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2019 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n var step2list = {\n \"ational\" : \"ate\",\n \"tional\" : \"tion\",\n \"enci\" : \"ence\",\n \"anci\" : \"ance\",\n \"izer\" : \"ize\",\n \"bli\" : \"ble\",\n \"alli\" : \"al\",\n \"entli\" : \"ent\",\n \"eli\" : \"e\",\n \"ousli\" : \"ous\",\n \"ization\" : \"ize\",\n \"ation\" : \"ate\",\n \"ator\" : \"ate\",\n \"alism\" : \"al\",\n \"iveness\" : \"ive\",\n \"fulness\" : \"ful\",\n \"ousness\" : \"ous\",\n \"aliti\" : \"al\",\n \"iviti\" : \"ive\",\n \"biliti\" : \"ble\",\n \"logi\" : \"log\"\n },\n\n step3list = {\n \"icate\" : \"ic\",\n \"ative\" : \"\",\n \"alize\" : \"al\",\n \"iciti\" : \"ic\",\n \"ical\" : \"ic\",\n \"ful\" : \"\",\n \"ness\" : \"\"\n },\n\n c = \"[^aeiou]\", // consonant\n v = \"[aeiouy]\", // vowel\n C = c + \"[^aeiouy]*\", // consonant sequence\n V = v + \"[aeiou]*\", // vowel sequence\n\n mgr0 = \"^(\" + C + \")?\" + V + C, // [C]VC... is m>0\n meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\", // [C]VC[V] is m=1\n mgr1 = \"^(\" + C + \")?\" + V + C + V + C, // [C]VCVC... is m>1\n s_v = \"^(\" + C + \")?\" + v; // vowel in stem\n\n var re_mgr0 = new RegExp(mgr0);\n var re_mgr1 = new RegExp(mgr1);\n var re_meq1 = new RegExp(meq1);\n var re_s_v = new RegExp(s_v);\n\n var re_1a = /^(.+?)(ss|i)es$/;\n var re2_1a = /^(.+?)([^s])s$/;\n var re_1b = /^(.+?)eed$/;\n var re2_1b = /^(.+?)(ed|ing)$/;\n var re_1b_2 = /.$/;\n var re2_1b_2 = /(at|bl|iz)$/;\n var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var re_1c = /^(.+?[^aeiou])y$/;\n var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n var re_5 = /^(.+?)e$/;\n var re_5_1 = /ll$/;\n var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var porterStemmer = function porterStemmer(w) {\n var stem,\n suffix,\n firstch,\n re,\n re2,\n re3,\n re4;\n\n if (w.length < 3) { return w; }\n\n firstch = w.substr(0,1);\n if (firstch == \"y\") {\n w = firstch.toUpperCase() + w.substr(1);\n }\n\n // Step 1a\n re = re_1a\n re2 = re2_1a;\n\n if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n // Step 1b\n re = re_1b;\n re2 = re2_1b;\n if (re.test(w)) {\n var fp = re.exec(w);\n re = re_mgr0;\n if (re.test(fp[1])) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1];\n re2 = re_s_v;\n if (re2.test(stem)) {\n w = stem;\n re2 = re2_1b_2;\n re3 = re3_1b_2;\n re4 = re4_1b_2;\n if (re2.test(w)) { w = w + \"e\"; }\n else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n else if (re4.test(w)) { w = w + \"e\"; }\n }\n }\n\n // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n re = re_1c;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n w = stem + \"i\";\n }\n\n // Step 2\n re = re_2;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step2list[suffix];\n }\n }\n\n // Step 3\n re = re_3;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step3list[suffix];\n }\n }\n\n // Step 4\n re = re_4;\n re2 = re2_4;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n if (re.test(stem)) {\n w = stem;\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1] + fp[2];\n re2 = re_mgr1;\n if (re2.test(stem)) {\n w = stem;\n }\n }\n\n // Step 5\n re = re_5;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n re2 = re_meq1;\n re3 = re3_5;\n if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n w = stem;\n }\n }\n\n re = re_5_1;\n re2 = re_mgr1;\n if (re.test(w) && re2.test(w)) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n\n // and turn initial Y back to y\n\n if (firstch == \"y\") {\n w = firstch.toLowerCase() + w.substr(1);\n }\n\n return w;\n };\n\n return function (token) {\n return token.update(porterStemmer);\n }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n var words = stopWords.reduce(function (memo, stopWord) {\n memo[stopWord] = stopWord\n return memo\n }, {})\n\n return function (token) {\n if (token && words[token.toString()] !== token.toString()) return token\n }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n 'a',\n 'able',\n 'about',\n 'across',\n 'after',\n 'all',\n 'almost',\n 'also',\n 'am',\n 'among',\n 'an',\n 'and',\n 'any',\n 'are',\n 'as',\n 'at',\n 'be',\n 'because',\n 'been',\n 'but',\n 'by',\n 'can',\n 'cannot',\n 'could',\n 'dear',\n 'did',\n 'do',\n 'does',\n 'either',\n 'else',\n 'ever',\n 'every',\n 'for',\n 'from',\n 'get',\n 'got',\n 'had',\n 'has',\n 'have',\n 'he',\n 'her',\n 'hers',\n 'him',\n 'his',\n 'how',\n 'however',\n 'i',\n 'if',\n 'in',\n 'into',\n 'is',\n 'it',\n 'its',\n 'just',\n 'least',\n 'let',\n 'like',\n 'likely',\n 'may',\n 'me',\n 'might',\n 'most',\n 'must',\n 'my',\n 'neither',\n 'no',\n 'nor',\n 'not',\n 'of',\n 'off',\n 'often',\n 'on',\n 'only',\n 'or',\n 'other',\n 'our',\n 'own',\n 'rather',\n 'said',\n 'say',\n 'says',\n 'she',\n 'should',\n 'since',\n 'so',\n 'some',\n 'than',\n 'that',\n 'the',\n 'their',\n 'them',\n 'then',\n 'there',\n 'these',\n 'they',\n 'this',\n 'tis',\n 'to',\n 'too',\n 'twas',\n 'us',\n 'wants',\n 'was',\n 'we',\n 'were',\n 'what',\n 'when',\n 'where',\n 'which',\n 'while',\n 'who',\n 'whom',\n 'why',\n 'will',\n 'with',\n 'would',\n 'yet',\n 'you',\n 'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n return token.update(function (s) {\n return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n this.final = false\n this.edges = {}\n this.id = lunr.TokenSet._nextId\n lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n var builder = new lunr.TokenSet.Builder\n\n for (var i = 0, len = arr.length; i < len; i++) {\n builder.insert(arr[i])\n }\n\n builder.finish()\n return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n if ('editDistance' in clause) {\n return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n } else {\n return lunr.TokenSet.fromString(clause.term)\n }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n var root = new lunr.TokenSet\n\n var stack = [{\n node: root,\n editsRemaining: editDistance,\n str: str\n }]\n\n while (stack.length) {\n var frame = stack.pop()\n\n // no edit\n if (frame.str.length > 0) {\n var char = frame.str.charAt(0),\n noEditNode\n\n if (char in frame.node.edges) {\n noEditNode = frame.node.edges[char]\n } else {\n noEditNode = new lunr.TokenSet\n frame.node.edges[char] = noEditNode\n }\n\n if (frame.str.length == 1) {\n noEditNode.final = true\n }\n\n stack.push({\n node: noEditNode,\n editsRemaining: frame.editsRemaining,\n str: frame.str.slice(1)\n })\n }\n\n if (frame.editsRemaining == 0) {\n continue\n }\n\n // insertion\n if (\"*\" in frame.node.edges) {\n var insertionNode = frame.node.edges[\"*\"]\n } else {\n var insertionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = insertionNode\n }\n\n if (frame.str.length == 0) {\n insertionNode.final = true\n }\n\n stack.push({\n node: insertionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str\n })\n\n // deletion\n // can only do a deletion if we have enough edits remaining\n // and if there are characters left to delete in the string\n if (frame.str.length > 1) {\n stack.push({\n node: frame.node,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // deletion\n // just removing the last character from the str\n if (frame.str.length == 1) {\n frame.node.final = true\n }\n\n // substitution\n // can only do a substitution if we have enough edits remaining\n // and if there are characters left to substitute\n if (frame.str.length >= 1) {\n if (\"*\" in frame.node.edges) {\n var substitutionNode = frame.node.edges[\"*\"]\n } else {\n var substitutionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = substitutionNode\n }\n\n if (frame.str.length == 1) {\n substitutionNode.final = true\n }\n\n stack.push({\n node: substitutionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // transposition\n // can only do a transposition if there are edits remaining\n // and there are enough characters to transpose\n if (frame.str.length > 1) {\n var charA = frame.str.charAt(0),\n charB = frame.str.charAt(1),\n transposeNode\n\n if (charB in frame.node.edges) {\n transposeNode = frame.node.edges[charB]\n } else {\n transposeNode = new lunr.TokenSet\n frame.node.edges[charB] = transposeNode\n }\n\n if (frame.str.length == 1) {\n transposeNode.final = true\n }\n\n stack.push({\n node: transposeNode,\n editsRemaining: frame.editsRemaining - 1,\n str: charA + frame.str.slice(2)\n })\n }\n }\n\n return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n var node = new lunr.TokenSet,\n root = node\n\n /*\n * Iterates through all characters within the passed string\n * appending a node for each character.\n *\n * When a wildcard character is found then a self\n * referencing edge is introduced to continually match\n * any number of any characters.\n */\n for (var i = 0, len = str.length; i < len; i++) {\n var char = str[i],\n final = (i == len - 1)\n\n if (char == \"*\") {\n node.edges[char] = node\n node.final = final\n\n } else {\n var next = new lunr.TokenSet\n next.final = final\n\n node.edges[char] = next\n node = next\n }\n }\n\n return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n var words = []\n\n var stack = [{\n prefix: \"\",\n node: this\n }]\n\n while (stack.length) {\n var frame = stack.pop(),\n edges = Object.keys(frame.node.edges),\n len = edges.length\n\n if (frame.node.final) {\n /* In Safari, at this point the prefix is sometimes corrupted, see:\n * https://github.com/olivernn/lunr.js/issues/279 Calling any\n * String.prototype method forces Safari to \"cast\" this string to what\n * it's supposed to be, fixing the bug. */\n frame.prefix.charAt(0)\n words.push(frame.prefix)\n }\n\n for (var i = 0; i < len; i++) {\n var edge = edges[i]\n\n stack.push({\n prefix: frame.prefix.concat(edge),\n node: frame.node.edges[edge]\n })\n }\n }\n\n return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n // NOTE: Using Object.keys here as this.edges is very likely\n // to enter 'hash-mode' with many keys being added\n //\n // avoiding a for-in loop here as it leads to the function\n // being de-optimised (at least in V8). From some simple\n // benchmarks the performance is comparable, but allowing\n // V8 to optimize may mean easy performance wins in the future.\n\n if (this._str) {\n return this._str\n }\n\n var str = this.final ? '1' : '0',\n labels = Object.keys(this.edges).sort(),\n len = labels.length\n\n for (var i = 0; i < len; i++) {\n var label = labels[i],\n node = this.edges[label]\n\n str = str + label + node.id\n }\n\n return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n var output = new lunr.TokenSet,\n frame = undefined\n\n var stack = [{\n qNode: b,\n output: output,\n node: this\n }]\n\n while (stack.length) {\n frame = stack.pop()\n\n // NOTE: As with the #toString method, we are using\n // Object.keys and a for loop instead of a for-in loop\n // as both of these objects enter 'hash' mode, causing\n // the function to be de-optimised in V8\n var qEdges = Object.keys(frame.qNode.edges),\n qLen = qEdges.length,\n nEdges = Object.keys(frame.node.edges),\n nLen = nEdges.length\n\n for (var q = 0; q < qLen; q++) {\n var qEdge = qEdges[q]\n\n for (var n = 0; n < nLen; n++) {\n var nEdge = nEdges[n]\n\n if (nEdge == qEdge || qEdge == '*') {\n var node = frame.node.edges[nEdge],\n qNode = frame.qNode.edges[qEdge],\n final = node.final && qNode.final,\n next = undefined\n\n if (nEdge in frame.output.edges) {\n // an edge already exists for this character\n // no need to create a new node, just set the finality\n // bit unless this node is already final\n next = frame.output.edges[nEdge]\n next.final = next.final || final\n\n } else {\n // no edge exists yet, must create one\n // set the finality bit and insert it\n // into the output\n next = new lunr.TokenSet\n next.final = final\n frame.output.edges[nEdge] = next\n }\n\n stack.push({\n qNode: qNode,\n output: next,\n node: node\n })\n }\n }\n }\n }\n\n return output\n}\nlunr.TokenSet.Builder = function () {\n this.previousWord = \"\"\n this.root = new lunr.TokenSet\n this.uncheckedNodes = []\n this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n var node,\n commonPrefix = 0\n\n if (word < this.previousWord) {\n throw new Error (\"Out of order word insertion\")\n }\n\n for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n if (word[i] != this.previousWord[i]) break\n commonPrefix++\n }\n\n this.minimize(commonPrefix)\n\n if (this.uncheckedNodes.length == 0) {\n node = this.root\n } else {\n node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n }\n\n for (var i = commonPrefix; i < word.length; i++) {\n var nextNode = new lunr.TokenSet,\n char = word[i]\n\n node.edges[char] = nextNode\n\n this.uncheckedNodes.push({\n parent: node,\n char: char,\n child: nextNode\n })\n\n node = nextNode\n }\n\n node.final = true\n this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n var node = this.uncheckedNodes[i],\n childKey = node.child.toString()\n\n if (childKey in this.minimizedNodes) {\n node.parent.edges[node.char] = this.minimizedNodes[childKey]\n } else {\n // Cache the key for this node since\n // we know it can't change anymore\n node.child._str = childKey\n\n this.minimizedNodes[childKey] = node.child\n }\n\n this.uncheckedNodes.pop()\n }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n this.invertedIndex = attrs.invertedIndex\n this.fieldVectors = attrs.fieldVectors\n this.tokenSet = attrs.tokenSet\n this.fields = attrs.fields\n this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example Simple single term query\n * hello\n * @example Multiple term query\n * hello world\n * @example term scoped to a field\n * title:hello\n * @example term with a boost of 10\n * hello^10\n * @example term with an edit distance of 2\n * hello~2\n * @example terms with presence modifiers\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first. For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n return this.query(function (query) {\n var parser = new lunr.QueryParser(queryString, query)\n parser.parse()\n })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n // for each query clause\n // * process terms\n // * expand terms from token set\n // * find matching documents and metadata\n // * get document vectors\n // * score documents\n\n var query = new lunr.Query(this.fields),\n matchingFields = Object.create(null),\n queryVectors = Object.create(null),\n termFieldCache = Object.create(null),\n requiredMatches = Object.create(null),\n prohibitedMatches = Object.create(null)\n\n /*\n * To support field level boosts a query vector is created per\n * field. An empty vector is eagerly created to support negated\n * queries.\n */\n for (var i = 0; i < this.fields.length; i++) {\n queryVectors[this.fields[i]] = new lunr.Vector\n }\n\n fn.call(query, query)\n\n for (var i = 0; i < query.clauses.length; i++) {\n /*\n * Unless the pipeline has been disabled for this term, which is\n * the case for terms with wildcards, we need to pass the clause\n * term through the search pipeline. A pipeline returns an array\n * of processed terms. Pipeline functions may expand the passed\n * term, which means we may end up performing multiple index lookups\n * for a single query term.\n */\n var clause = query.clauses[i],\n terms = null,\n clauseMatches = lunr.Set.complete\n\n if (clause.usePipeline) {\n terms = this.pipeline.runString(clause.term, {\n fields: clause.fields\n })\n } else {\n terms = [clause.term]\n }\n\n for (var m = 0; m < terms.length; m++) {\n var term = terms[m]\n\n /*\n * Each term returned from the pipeline needs to use the same query\n * clause object, e.g. the same boost and or edit distance. The\n * simplest way to do this is to re-use the clause object but mutate\n * its term property.\n */\n clause.term = term\n\n /*\n * From the term in the clause we create a token set which will then\n * be used to intersect the indexes token set to get a list of terms\n * to lookup in the inverted index\n */\n var termTokenSet = lunr.TokenSet.fromClause(clause),\n expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n /*\n * If a term marked as required does not exist in the tokenSet it is\n * impossible for the search to return any matches. We set all the field\n * scoped required matches set to empty and stop examining any further\n * clauses.\n */\n if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = lunr.Set.empty\n }\n\n break\n }\n\n for (var j = 0; j < expandedTerms.length; j++) {\n /*\n * For each term get the posting and termIndex, this is required for\n * building the query vector.\n */\n var expandedTerm = expandedTerms[j],\n posting = this.invertedIndex[expandedTerm],\n termIndex = posting._index\n\n for (var k = 0; k < clause.fields.length; k++) {\n /*\n * For each field that this query term is scoped by (by default\n * all fields are in scope) we need to get all the document refs\n * that have this term in that field.\n *\n * The posting is the entry in the invertedIndex for the matching\n * term from above.\n */\n var field = clause.fields[k],\n fieldPosting = posting[field],\n matchingDocumentRefs = Object.keys(fieldPosting),\n termField = expandedTerm + \"/\" + field,\n matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n /*\n * if the presence of this term is required ensure that the matching\n * documents are added to the set of required matches for this clause.\n *\n */\n if (clause.presence == lunr.Query.presence.REQUIRED) {\n clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n if (requiredMatches[field] === undefined) {\n requiredMatches[field] = lunr.Set.complete\n }\n }\n\n /*\n * if the presence of this term is prohibited ensure that the matching\n * documents are added to the set of prohibited matches for this field,\n * creating that set if it does not yet exist.\n */\n if (clause.presence == lunr.Query.presence.PROHIBITED) {\n if (prohibitedMatches[field] === undefined) {\n prohibitedMatches[field] = lunr.Set.empty\n }\n\n prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n /*\n * Prohibited matches should not be part of the query vector used for\n * similarity scoring and no metadata should be extracted so we continue\n * to the next field\n */\n continue\n }\n\n /*\n * The query field vector is populated using the termIndex found for\n * the term and a unit value with the appropriate boost applied.\n * Using upsert because there could already be an entry in the vector\n * for the term we are working with. In that case we just add the scores\n * together.\n */\n queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n /**\n * If we've already seen this term, field combo then we've already collected\n * the matching documents and metadata, no need to go through all that again\n */\n if (termFieldCache[termField]) {\n continue\n }\n\n for (var l = 0; l < matchingDocumentRefs.length; l++) {\n /*\n * All metadata for this term/field/document triple\n * are then extracted and collected into an instance\n * of lunr.MatchData ready to be returned in the query\n * results\n */\n var matchingDocumentRef = matchingDocumentRefs[l],\n matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n metadata = fieldPosting[matchingDocumentRef],\n fieldMatch\n\n if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n } else {\n fieldMatch.add(expandedTerm, field, metadata)\n }\n\n }\n\n termFieldCache[termField] = true\n }\n }\n }\n\n /**\n * If the presence was required we need to update the requiredMatches field sets.\n * We do this after all fields for the term have collected their matches because\n * the clause terms presence is required in _any_ of the fields not _all_ of the\n * fields.\n */\n if (clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n }\n }\n }\n\n /**\n * Need to combine the field scoped required and prohibited\n * matching documents into a global set of required and prohibited\n * matches\n */\n var allRequiredMatches = lunr.Set.complete,\n allProhibitedMatches = lunr.Set.empty\n\n for (var i = 0; i < this.fields.length; i++) {\n var field = this.fields[i]\n\n if (requiredMatches[field]) {\n allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n }\n\n if (prohibitedMatches[field]) {\n allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n }\n }\n\n var matchingFieldRefs = Object.keys(matchingFields),\n results = [],\n matches = Object.create(null)\n\n /*\n * If the query is negated (contains only prohibited terms)\n * we need to get _all_ fieldRefs currently existing in the\n * index. This is only done when we know that the query is\n * entirely prohibited terms to avoid any cost of getting all\n * fieldRefs unnecessarily.\n *\n * Additionally, blank MatchData must be created to correctly\n * populate the results.\n */\n if (query.isNegated()) {\n matchingFieldRefs = Object.keys(this.fieldVectors)\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n var matchingFieldRef = matchingFieldRefs[i]\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n matchingFields[matchingFieldRef] = new lunr.MatchData\n }\n }\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n /*\n * Currently we have document fields that match the query, but we\n * need to return documents. The matchData and scores are combined\n * from multiple fields belonging to the same document.\n *\n * Scores are calculated by field, using the query vectors created\n * above, and combined into a final document score using addition.\n */\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n docRef = fieldRef.docRef\n\n if (!allRequiredMatches.contains(docRef)) {\n continue\n }\n\n if (allProhibitedMatches.contains(docRef)) {\n continue\n }\n\n var fieldVector = this.fieldVectors[fieldRef],\n score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n docMatch\n\n if ((docMatch = matches[docRef]) !== undefined) {\n docMatch.score += score\n docMatch.matchData.combine(matchingFields[fieldRef])\n } else {\n var match = {\n ref: docRef,\n score: score,\n matchData: matchingFields[fieldRef]\n }\n matches[docRef] = match\n results.push(match)\n }\n }\n\n /*\n * Sort the results objects by score, highest first.\n */\n return results.sort(function (a, b) {\n return b.score - a.score\n })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n var invertedIndex = Object.keys(this.invertedIndex)\n .sort()\n .map(function (term) {\n return [term, this.invertedIndex[term]]\n }, this)\n\n var fieldVectors = Object.keys(this.fieldVectors)\n .map(function (ref) {\n return [ref, this.fieldVectors[ref].toJSON()]\n }, this)\n\n return {\n version: lunr.version,\n fields: this.fields,\n fieldVectors: fieldVectors,\n invertedIndex: invertedIndex,\n pipeline: this.pipeline.toJSON()\n }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n var attrs = {},\n fieldVectors = {},\n serializedVectors = serializedIndex.fieldVectors,\n invertedIndex = Object.create(null),\n serializedInvertedIndex = serializedIndex.invertedIndex,\n tokenSetBuilder = new lunr.TokenSet.Builder,\n pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n if (serializedIndex.version != lunr.version) {\n lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n }\n\n for (var i = 0; i < serializedVectors.length; i++) {\n var tuple = serializedVectors[i],\n ref = tuple[0],\n elements = tuple[1]\n\n fieldVectors[ref] = new lunr.Vector(elements)\n }\n\n for (var i = 0; i < serializedInvertedIndex.length; i++) {\n var tuple = serializedInvertedIndex[i],\n term = tuple[0],\n posting = tuple[1]\n\n tokenSetBuilder.insert(term)\n invertedIndex[term] = posting\n }\n\n tokenSetBuilder.finish()\n\n attrs.fields = serializedIndex.fields\n\n attrs.fieldVectors = fieldVectors\n attrs.invertedIndex = invertedIndex\n attrs.tokenSet = tokenSetBuilder.root\n attrs.pipeline = pipeline\n\n return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n this._ref = \"id\"\n this._fields = Object.create(null)\n this._documents = Object.create(null)\n this.invertedIndex = Object.create(null)\n this.fieldTermFrequencies = {}\n this.fieldLengths = {}\n this.tokenizer = lunr.tokenizer\n this.pipeline = new lunr.Pipeline\n this.searchPipeline = new lunr.Pipeline\n this.documentCount = 0\n this._b = 0.75\n this._k1 = 1.2\n this.termIndex = 0\n this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example Extracting a nested field\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n if (/\\//.test(fieldName)) {\n throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n }\n\n this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n if (number < 0) {\n this._b = 0\n } else if (number > 1) {\n this._b = 1\n } else {\n this._b = number\n }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n var docRef = doc[this._ref],\n fields = Object.keys(this._fields)\n\n this._documents[docRef] = attributes || {}\n this.documentCount += 1\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i],\n extractor = this._fields[fieldName].extractor,\n field = extractor ? extractor(doc) : doc[fieldName],\n tokens = this.tokenizer(field, {\n fields: [fieldName]\n }),\n terms = this.pipeline.run(tokens),\n fieldRef = new lunr.FieldRef (docRef, fieldName),\n fieldTerms = Object.create(null)\n\n this.fieldTermFrequencies[fieldRef] = fieldTerms\n this.fieldLengths[fieldRef] = 0\n\n // store the length of this field for this document\n this.fieldLengths[fieldRef] += terms.length\n\n // calculate term frequencies for this field\n for (var j = 0; j < terms.length; j++) {\n var term = terms[j]\n\n if (fieldTerms[term] == undefined) {\n fieldTerms[term] = 0\n }\n\n fieldTerms[term] += 1\n\n // add to inverted index\n // create an initial posting if one doesn't exist\n if (this.invertedIndex[term] == undefined) {\n var posting = Object.create(null)\n posting[\"_index\"] = this.termIndex\n this.termIndex += 1\n\n for (var k = 0; k < fields.length; k++) {\n posting[fields[k]] = Object.create(null)\n }\n\n this.invertedIndex[term] = posting\n }\n\n // add an entry for this term/fieldName/docRef to the invertedIndex\n if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n }\n\n // store all whitelisted metadata about this token in the\n // inverted index\n for (var l = 0; l < this.metadataWhitelist.length; l++) {\n var metadataKey = this.metadataWhitelist[l],\n metadata = term.metadata[metadataKey]\n\n if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n }\n\n this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n }\n }\n\n }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n var fieldRefs = Object.keys(this.fieldLengths),\n numberOfFields = fieldRefs.length,\n accumulator = {},\n documentsWithField = {}\n\n for (var i = 0; i < numberOfFields; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n field = fieldRef.fieldName\n\n documentsWithField[field] || (documentsWithField[field] = 0)\n documentsWithField[field] += 1\n\n accumulator[field] || (accumulator[field] = 0)\n accumulator[field] += this.fieldLengths[fieldRef]\n }\n\n var fields = Object.keys(this._fields)\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i]\n accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n }\n\n this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n var fieldVectors = {},\n fieldRefs = Object.keys(this.fieldTermFrequencies),\n fieldRefsLength = fieldRefs.length,\n termIdfCache = Object.create(null)\n\n for (var i = 0; i < fieldRefsLength; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n fieldName = fieldRef.fieldName,\n fieldLength = this.fieldLengths[fieldRef],\n fieldVector = new lunr.Vector,\n termFrequencies = this.fieldTermFrequencies[fieldRef],\n terms = Object.keys(termFrequencies),\n termsLength = terms.length\n\n\n var fieldBoost = this._fields[fieldName].boost || 1,\n docBoost = this._documents[fieldRef.docRef].boost || 1\n\n for (var j = 0; j < termsLength; j++) {\n var term = terms[j],\n tf = termFrequencies[term],\n termIndex = this.invertedIndex[term]._index,\n idf, score, scoreWithPrecision\n\n if (termIdfCache[term] === undefined) {\n idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n termIdfCache[term] = idf\n } else {\n idf = termIdfCache[term]\n }\n\n score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n score *= fieldBoost\n score *= docBoost\n scoreWithPrecision = Math.round(score * 1000) / 1000\n // Converts 1.23456789 to 1.234.\n // Reducing the precision so that the vectors take up less\n // space when serialised. Doing it now so that they behave\n // the same before and after serialisation. Also, this is\n // the fastest approach to reducing a number's precision in\n // JavaScript.\n\n fieldVector.insert(termIndex, scoreWithPrecision)\n }\n\n fieldVectors[fieldRef] = fieldVector\n }\n\n this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n this.tokenSet = lunr.TokenSet.fromArray(\n Object.keys(this.invertedIndex).sort()\n )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n this.calculateAverageFieldLengths()\n this.createFieldVectors()\n this.createTokenSet()\n\n return new lunr.Index({\n invertedIndex: this.invertedIndex,\n fieldVectors: this.fieldVectors,\n tokenSet: this.tokenSet,\n fields: Object.keys(this._fields),\n pipeline: this.searchPipeline\n })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n var args = Array.prototype.slice.call(arguments, 1)\n args.unshift(this)\n fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n var clonedMetadata = Object.create(null),\n metadataKeys = Object.keys(metadata || {})\n\n // Cloning the metadata to prevent the original\n // being mutated during match data combination.\n // Metadata is kept in an array within the inverted\n // index so cloning the data can be done with\n // Array#slice\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n clonedMetadata[key] = metadata[key].slice()\n }\n\n this.metadata = Object.create(null)\n\n if (term !== undefined) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = clonedMetadata\n }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n var terms = Object.keys(otherMatchData.metadata)\n\n for (var i = 0; i < terms.length; i++) {\n var term = terms[i],\n fields = Object.keys(otherMatchData.metadata[term])\n\n if (this.metadata[term] == undefined) {\n this.metadata[term] = Object.create(null)\n }\n\n for (var j = 0; j < fields.length; j++) {\n var field = fields[j],\n keys = Object.keys(otherMatchData.metadata[term][field])\n\n if (this.metadata[term][field] == undefined) {\n this.metadata[term][field] = Object.create(null)\n }\n\n for (var k = 0; k < keys.length; k++) {\n var key = keys[k]\n\n if (this.metadata[term][field][key] == undefined) {\n this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n } else {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n }\n\n }\n }\n }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n if (!(term in this.metadata)) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = metadata\n return\n }\n\n if (!(field in this.metadata[term])) {\n this.metadata[term][field] = metadata\n return\n }\n\n var metadataKeys = Object.keys(metadata)\n\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n\n if (key in this.metadata[term][field]) {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n } else {\n this.metadata[term][field][key] = metadata[key]\n }\n }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n this.clauses = []\n this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with trailing wildcard\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example query term with leading and trailing wildcard\n * query.term('foo', {\n * wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with required presence\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n /**\n * Term's presence in a document is optional, this is the default value.\n */\n OPTIONAL: 1,\n\n /**\n * Term's presence in a document is required, documents that do not contain\n * this term will not be returned.\n */\n REQUIRED: 2,\n\n /**\n * Term's presence in a document is prohibited, documents that do contain\n * this term will not be returned.\n */\n PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n if (!('fields' in clause)) {\n clause.fields = this.allFields\n }\n\n if (!('boost' in clause)) {\n clause.boost = 1\n }\n\n if (!('usePipeline' in clause)) {\n clause.usePipeline = true\n }\n\n if (!('wildcard' in clause)) {\n clause.wildcard = lunr.Query.wildcard.NONE\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n clause.term = \"*\" + clause.term\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n clause.term = \"\" + clause.term + \"*\"\n }\n\n if (!('presence' in clause)) {\n clause.presence = lunr.Query.presence.OPTIONAL\n }\n\n this.clauses.push(clause)\n\n return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n for (var i = 0; i < this.clauses.length; i++) {\n if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n return false\n }\n }\n\n return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example adding a single term to a query\n * query.term(\"foo\")\n * @example adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard\n * query.term(\"foo\", {\n * fields: [\"title\"],\n * boost: 10,\n * wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example using lunr.tokenizer to convert a string to tokens before using them as terms\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n if (Array.isArray(term)) {\n term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n return this\n }\n\n var clause = options || {}\n clause.term = term.toString()\n\n this.clause(clause)\n\n return this\n}\nlunr.QueryParseError = function (message, start, end) {\n this.name = \"QueryParseError\"\n this.message = message\n this.start = start\n this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n this.lexemes = []\n this.str = str\n this.length = str.length\n this.pos = 0\n this.start = 0\n this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n var state = lunr.QueryLexer.lexText\n\n while (state) {\n state = state(this)\n }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n var subSlices = [],\n sliceStart = this.start,\n sliceEnd = this.pos\n\n for (var i = 0; i < this.escapeCharPositions.length; i++) {\n sliceEnd = this.escapeCharPositions[i]\n subSlices.push(this.str.slice(sliceStart, sliceEnd))\n sliceStart = sliceEnd + 1\n }\n\n subSlices.push(this.str.slice(sliceStart, this.pos))\n this.escapeCharPositions.length = 0\n\n return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n this.lexemes.push({\n type: type,\n str: this.sliceString(),\n start: this.start,\n end: this.pos\n })\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n this.escapeCharPositions.push(this.pos - 1)\n this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n if (this.pos >= this.length) {\n return lunr.QueryLexer.EOS\n }\n\n var char = this.str.charAt(this.pos)\n this.pos += 1\n return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n if (this.start == this.pos) {\n this.pos += 1\n }\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n var char, charCode\n\n do {\n char = this.next()\n charCode = char.charCodeAt(0)\n } while (charCode > 47 && charCode < 58)\n\n if (char != lunr.QueryLexer.EOS) {\n this.backup()\n }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.FIELD)\n lexer.ignore()\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n if (lexer.width() > 1) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.TERM)\n }\n\n lexer.ignore()\n\n if (lexer.more()) {\n return lunr.QueryLexer.lexText\n }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.BOOST)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n while (true) {\n var char = lexer.next()\n\n if (char == lunr.QueryLexer.EOS) {\n return lunr.QueryLexer.lexEOS\n }\n\n // Escape character is '\\'\n if (char.charCodeAt(0) == 92) {\n lexer.escapeCharacter()\n continue\n }\n\n if (char == \":\") {\n return lunr.QueryLexer.lexField\n }\n\n if (char == \"~\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexEditDistance\n }\n\n if (char == \"^\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexBoost\n }\n\n // \"+\" indicates term presence is required\n // checking for length to ensure that only\n // leading \"+\" are considered\n if (char == \"+\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n // \"-\" indicates term presence is prohibited\n // checking for length to ensure that only\n // leading \"-\" are considered\n if (char == \"-\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n if (char.match(lunr.QueryLexer.termSeparator)) {\n return lunr.QueryLexer.lexTerm\n }\n }\n}\n\nlunr.QueryParser = function (str, query) {\n this.lexer = new lunr.QueryLexer (str)\n this.query = query\n this.currentClause = {}\n this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n this.lexer.run()\n this.lexemes = this.lexer.lexemes\n\n var state = lunr.QueryParser.parseClause\n\n while (state) {\n state = state(this)\n }\n\n return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n var lexeme = this.peekLexeme()\n this.lexemeIdx += 1\n return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n var completedClause = this.currentClause\n this.query.clause(completedClause)\n this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n var lexeme = parser.peekLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.type) {\n case lunr.QueryLexer.PRESENCE:\n return lunr.QueryParser.parsePresence\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n if (lexeme.str.length >= 1) {\n errorMessage += \" with value '\" + lexeme.str + \"'\"\n }\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.str) {\n case \"-\":\n parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n break\n case \"+\":\n parser.currentClause.presence = lunr.Query.presence.REQUIRED\n break\n default:\n var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term or field, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.fields = [lexeme.str]\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n parser.currentClause.term = lexeme.str.toLowerCase()\n\n if (lexeme.str.indexOf(\"*\") != -1) {\n parser.currentClause.usePipeline = false\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var editDistance = parseInt(lexeme.str, 10)\n\n if (isNaN(editDistance)) {\n var errorMessage = \"edit distance must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.editDistance = editDistance\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var boost = parseInt(lexeme.str, 10)\n\n if (isNaN(boost)) {\n var errorMessage = \"boost must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.boost = boost\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\n /**\n * export the module via AMD, CommonJS or as a browser global\n * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n */\n ;(function (root, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory)\n } else if (typeof exports === 'object') {\n /**\n * Node. Does not work with strict CommonJS, but\n * only CommonJS-like enviroments that support module.exports,\n * like Node.\n */\n module.exports = factory()\n } else {\n // Browser globals (root is window)\n root.lunr = factory()\n }\n }(this, function () {\n /**\n * Just return a value to define the module export.\n * This example returns an object, but the module\n * can return a function as the exported value.\n */\n return lunr\n }))\n})();\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport {\n ArticleDocument,\n SearchDocumentMap,\n SectionDocument,\n setupSearchDocumentMap\n} from \"../document\"\nimport {\n SearchHighlightFactoryFn,\n setupSearchHighlighter\n} from \"../highlighter\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search index configuration\n */\nexport interface SearchIndexConfig {\n lang: string[] /* Search languages */\n separator: string /* Search separator */\n}\n\n/**\n * Search index document\n */\nexport interface SearchIndexDocument {\n location: string /* Document location */\n title: string /* Document title */\n text: string /* Document text */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index pipeline function\n */\nexport type SearchIndexPipelineFn =\n | \"stemmer\" /* Stemmer */\n | \"stopWordFilter\" /* Stop word filter */\n | \"trimmer\" /* Trimmer */\n\n/**\n * Search index pipeline\n */\nexport type SearchIndexPipeline = SearchIndexPipelineFn[]\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search index\n *\n * This interfaces describes the format of the `search_index.json` file which\n * is automatically built by the MkDocs search plugin.\n */\nexport interface SearchIndex {\n config: SearchIndexConfig /* Search index configuration */\n docs: SearchIndexDocument[] /* Search index documents */\n index?: object | string /* Prebuilt or serialized index */\n pipeline?: SearchIndexPipeline /* Search index pipeline */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search result\n */\nexport interface SearchResult {\n article: ArticleDocument /* Article document */\n sections: SectionDocument[] /* Section documents */\n}\n\n/* ----------------------------------------------------------------------------\n * Class\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n *\n * Note that `lunr` is injected via Webpack, as it will otherwise also be\n * bundled in the application bundle.\n */\nexport class Search {\n\n /**\n * Search document mapping\n *\n * A mapping of URLs (including hash fragments) to the actual articles and\n * sections of the documentation. The search document mapping must be created\n * regardless of whether the index was prebuilt or not, as `lunr` itself will\n * only store the actual index.\n */\n protected documents: SearchDocumentMap\n\n /**\n * Search highlight factory function\n */\n protected highlight: SearchHighlightFactoryFn\n\n /**\n * The `lunr` search index\n */\n protected index: lunr.Index\n\n /**\n * Create the search integration\n *\n * @param data - Search index\n */\n public constructor({ config, docs, pipeline, index }: SearchIndex) {\n this.documents = setupSearchDocumentMap(docs)\n this.highlight = setupSearchHighlighter(config)\n\n /* If no index was given, create it */\n if (typeof index === \"undefined\") {\n this.index = lunr(function() {\n pipeline = pipeline || [\"trimmer\", \"stopWordFilter\"]\n\n /* Set up pipeline according to configuration */\n this.pipeline.reset()\n for (const fn of pipeline)\n this.pipeline.add(lunr[fn])\n\n /* Set up alternate search languages */\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\n this.use((lunr as any)[config.lang[0]])\n } else if (config.lang.length > 1) {\n this.use((lunr as any).multiLanguage(...config.lang))\n }\n\n /* Set up fields and reference */\n this.field(\"title\", { boost: 1000 })\n this.field(\"text\")\n this.ref(\"location\")\n\n /* Index documents */\n for (const doc of docs)\n this.add(doc)\n })\n\n /* Prebuilt or serialized index */\n } else {\n this.index = lunr.Index.load(\n typeof index === \"string\"\n ? JSON.parse(index)\n : index\n )\n }\n }\n\n /**\n * Search for matching documents\n *\n * The search index which MkDocs provides is divided up into articles, which\n * contain the whole content of the individual pages, and sections, which only\n * contain the contents of the subsections obtained by breaking the individual\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\n * with indentical titles (for example within this very project, e.g. \"Usage\"\n * or \"Installation\"), they need to be put into the context of the containing\n * page. For this reason, section results are grouped within their respective\n * articles which are the top-level results that are returned.\n *\n * @param value - Query value\n *\n * @return Search results\n */\n public query(value: string): SearchResult[] {\n if (value) {\n try {\n\n /* Group sections by containing article */\n const groups = this.index.search(value)\n .reduce((results, result) => {\n const document = this.documents.get(result.ref)\n if (typeof document !== \"undefined\") {\n if (\"parent\" in document) {\n const ref = document.parent.location\n results.set(ref, [...results.get(ref) || [], result])\n } else {\n const ref = document.location\n results.set(ref, results.get(ref) || [])\n }\n }\n return results\n }, new Map())\n\n /* Create highlighter for query */\n const fn = this.highlight(value)\n\n /* Map groups to search documents */\n return [...groups].map(([ref, sections]) => ({\n article: fn(this.documents.get(ref) as ArticleDocument),\n sections: sections.map(section => {\n return fn(this.documents.get(section.ref) as SectionDocument)\n })\n }))\n\n /* Log errors to console (for now) */\n } catch (err) {\n // tslint:disable-next-line no-console\n console.warn(`Invalid query: ${value} – see https://bit.ly/2s3ChXG`)\n }\n }\n\n /* Return nothing in case of error or empty query */\n return []\n }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndex, SearchResult } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n READY, /* Search index ready */\n QUERY, /* Search query */\n RESULT /* Search results */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message containing the data necessary to setup the search index\n */\nexport interface SearchSetupMessage {\n type: SearchMessageType.SETUP /* Message type */\n data: SearchIndex /* Message data */\n}\n\n/**\n * A message indicating the search index is ready\n */\nexport interface SearchReadyMessage {\n type: SearchMessageType.READY /* Message type */\n}\n\n/**\n * A message containing a search query\n */\nexport interface SearchQueryMessage {\n type: SearchMessageType.QUERY /* Message type */\n data: string /* Message data */\n}\n\n/**\n * A message containing results for a search query\n */\nexport interface SearchResultMessage {\n type: SearchMessageType.RESULT /* Message type */\n data: SearchResult[] /* Message data */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * A message exchanged with the search worker\n */\nexport type SearchMessage =\n | SearchSetupMessage\n | SearchReadyMessage\n | SearchQueryMessage\n | SearchResultMessage\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Type guard for search setup messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchSetupMessage(\n message: SearchMessage\n): message is SearchSetupMessage {\n return message.type === SearchMessageType.SETUP\n}\n\n/**\n * Type guard for search ready messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchReadyMessage(\n message: SearchMessage\n): message is SearchReadyMessage {\n return message.type === SearchMessageType.READY\n}\n\n/**\n * Type guard for search query messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchQueryMessage(\n message: SearchMessage\n): message is SearchQueryMessage {\n return message.type === SearchMessageType.QUERY\n}\n\n/**\n * Type guard for search result messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchResultMessage(\n message: SearchMessage\n): message is SearchResultMessage {\n return message.type === SearchMessageType.RESULT\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"expose-loader?lunr!lunr\"\n\nimport { Search, SearchIndexConfig } from \"../../_\"\nimport { SearchMessage, SearchMessageType } from \"../message\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Search\n */\nlet search: Search\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set up multi-language support through `lunr-languages`\n *\n * This function will automatically import the stemmers necessary to process\n * the languages which were given through the search index configuration.\n *\n * @param config - Search index configuration\n */\nfunction setupLunrLanguages(config: SearchIndexConfig): void {\n const base = \"../lunr\"\n\n /* Add scripts for languages */\n const scripts = []\n for (const lang of config.lang) {\n if (lang === \"ja\") scripts.push(`${base}/tinyseg.min.js`)\n if (lang !== \"en\") scripts.push(`${base}/min/lunr.${lang}.min.js`)\n }\n\n /* Add multi-language support */\n if (config.lang.length > 1)\n scripts.push(`${base}/min/lunr.multi.min.js`)\n\n /* Load scripts synchronously */\n if (scripts.length)\n importScripts(\n `${base}/min/lunr.stemmer.support.min.js`,\n ...scripts\n )\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Message handler\n *\n * @param message - Source message\n *\n * @return Target message\n */\nexport function handler(message: SearchMessage): SearchMessage {\n switch (message.type) {\n\n /* Search setup message */\n case SearchMessageType.SETUP:\n setupLunrLanguages(message.data.config)\n search = new Search(message.data)\n return {\n type: SearchMessageType.READY\n }\n\n /* Search query message */\n case SearchMessageType.QUERY:\n return {\n type: SearchMessageType.RESULT,\n data: search ? search.query(message.data) : []\n }\n\n /* All other messages */\n default:\n throw new TypeError(\"Invalid message type\")\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Worker\n * ------------------------------------------------------------------------- */\n\naddEventListener(\"message\", ev => {\n postMessage(handler(ev.data))\n})\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport * as escapeHTML from \"escape-html\"\n\nimport { SearchIndexDocument } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * A top-level article\n */\nexport interface ArticleDocument extends SearchIndexDocument {\n linked: boolean /* Whether the section was linked */\n}\n\n/**\n * A section of an article\n */\nexport interface SectionDocument extends SearchIndexDocument {\n parent: ArticleDocument /* Parent article */\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Search document\n */\nexport type SearchDocument =\n | ArticleDocument\n | SectionDocument\n\n/**\n * Search document mapping\n */\nexport type SearchDocumentMap = Map\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search document mapping\n *\n * @param docs - Search index documents\n *\n * @return Search document map\n */\nexport function setupSearchDocumentMap(\n docs: SearchIndexDocument[]\n): SearchDocumentMap {\n const documents = new Map()\n for (const doc of docs) {\n const [path, hash] = doc.location.split(\"#\")\n\n /* Extract location and title */\n const location = doc.location\n const title = doc.title\n\n /* Escape and cleanup text */\n const text = escapeHTML(doc.text)\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\n .replace(/\\s+/g, \" \")\n\n /* Handle section */\n if (hash) {\n const parent = documents.get(path) as ArticleDocument\n\n /* Ignore first section, override article */\n if (!parent.linked) {\n parent.title = doc.title\n parent.text = text\n parent.linked = true\n\n /* Add subsequent section */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n parent\n })\n }\n\n /* Add article */\n } else {\n documents.set(location, {\n location,\n title,\n text,\n linked: false\n })\n }\n }\n return documents\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchIndexConfig } from \"../_\"\nimport { SearchDocument } from \"../document\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search highlight function\n *\n * @template T - Search document type\n *\n * @param document - Search document\n *\n * @return Highlighted document\n */\nexport type SearchHighlightFn = <\n T extends SearchDocument\n>(document: Readonly) => T\n\n/**\n * Search highlight factory function\n *\n * @param value - Query value\n *\n * @return Search highlight function\n */\nexport type SearchHighlightFactoryFn = (value: string) => SearchHighlightFn\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create a search highlighter\n *\n * @param config - Search index configuration\n *\n * @return Search highlight factory function\n */\nexport function setupSearchHighlighter(\n config: SearchIndexConfig\n): SearchHighlightFactoryFn {\n const separator = new RegExp(config.separator, \"img\")\n const highlight = (_: unknown, data: string, term: string) => {\n return `${data}${term}`\n }\n\n /* Return factory function */\n return (value: string) => {\n value = value\n .replace(/[\\s*+-:~^]+/g, \" \")\n .trim()\n\n /* Create search term match expression */\n const match = new RegExp(`(^|${config.separator})(${\n value\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\n .replace(separator, \"|\")\n })`, \"img\")\n\n /* Highlight document */\n return document => ({\n ...document,\n title: 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@license MIT\n */\n\n;(function(){\n\n/**\n * A convenience function for configuring and constructing\n * a new lunr Index.\n *\n * A lunr.Builder instance is created and the pipeline setup\n * with a trimmer, stop word filter and stemmer.\n *\n * This builder object is yielded to the configuration function\n * that is passed as a parameter, allowing the list of fields\n * and other builder parameters to be customised.\n *\n * All documents _must_ be added within the passed config function.\n *\n * @example\n * var idx = lunr(function () {\n * this.field('title')\n * this.field('body')\n * this.ref('id')\n *\n * documents.forEach(function (doc) {\n * this.add(doc)\n * }, this)\n * })\n *\n * @see {@link lunr.Builder}\n * @see {@link lunr.Pipeline}\n * @see {@link lunr.trimmer}\n * @see {@link lunr.stopWordFilter}\n * @see {@link lunr.stemmer}\n * @namespace {function} lunr\n */\nvar lunr = function (config) {\n var builder = new lunr.Builder\n\n builder.pipeline.add(\n lunr.trimmer,\n lunr.stopWordFilter,\n lunr.stemmer\n )\n\n builder.searchPipeline.add(\n lunr.stemmer\n )\n\n config.call(builder, builder)\n return builder.build()\n}\n\nlunr.version = \"2.3.8\"\n/*!\n * lunr.utils\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A namespace containing utils for the rest of the lunr library\n * @namespace lunr.utils\n */\nlunr.utils = {}\n\n/**\n * Print a warning message to the console.\n *\n * @param {String} message The message to be printed.\n * @memberOf lunr.utils\n * @function\n */\nlunr.utils.warn = (function (global) {\n /* eslint-disable no-console */\n return function (message) {\n if (global.console && console.warn) {\n console.warn(message)\n }\n }\n /* eslint-enable no-console */\n})(this)\n\n/**\n * Convert an object to a string.\n *\n * In the case of `null` and `undefined` the function returns\n * the empty string, in all other cases the result of calling\n * `toString` on the passed object is returned.\n *\n * @param {Any} obj The object to convert to a string.\n * @return {String} string representation of the passed object.\n * @memberOf lunr.utils\n */\nlunr.utils.asString = function (obj) {\n if (obj === void 0 || obj === null) {\n return \"\"\n } else {\n return obj.toString()\n }\n}\n\n/**\n * Clones an object.\n *\n * Will create a copy of an existing object such that any mutations\n * on the copy cannot affect the original.\n *\n * Only shallow objects are supported, passing a nested object to this\n * function will cause a TypeError.\n *\n * Objects with primitives, and arrays of primitives are supported.\n *\n * @param {Object} obj The object to clone.\n * @return {Object} a clone of the passed object.\n * @throws {TypeError} when a nested object is passed.\n * @memberOf Utils\n */\nlunr.utils.clone = function (obj) {\n if (obj === null || obj === undefined) {\n return obj\n }\n\n var clone = Object.create(null),\n keys = Object.keys(obj)\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i],\n val = obj[key]\n\n if (Array.isArray(val)) {\n clone[key] = val.slice()\n continue\n }\n\n if (typeof val === 'string' ||\n typeof val === 'number' ||\n typeof val === 'boolean') {\n clone[key] = val\n continue\n }\n\n throw new TypeError(\"clone is not deep and does not support nested objects\")\n }\n\n return clone\n}\nlunr.FieldRef = function (docRef, fieldName, stringValue) {\n this.docRef = docRef\n this.fieldName = fieldName\n this._stringValue = stringValue\n}\n\nlunr.FieldRef.joiner = \"/\"\n\nlunr.FieldRef.fromString = function (s) {\n var n = s.indexOf(lunr.FieldRef.joiner)\n\n if (n === -1) {\n throw \"malformed field ref string\"\n }\n\n var fieldRef = s.slice(0, n),\n docRef = s.slice(n + 1)\n\n return new lunr.FieldRef (docRef, fieldRef, s)\n}\n\nlunr.FieldRef.prototype.toString = function () {\n if (this._stringValue == undefined) {\n this._stringValue = this.fieldName + lunr.FieldRef.joiner + this.docRef\n }\n\n return this._stringValue\n}\n/*!\n * lunr.Set\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A lunr set.\n *\n * @constructor\n */\nlunr.Set = function (elements) {\n this.elements = Object.create(null)\n\n if (elements) {\n this.length = elements.length\n\n for (var i = 0; i < this.length; i++) {\n this.elements[elements[i]] = true\n }\n } else {\n this.length = 0\n }\n}\n\n/**\n * A complete set that contains all elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.complete = {\n intersect: function (other) {\n return other\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return true\n }\n}\n\n/**\n * An empty set that contains no elements.\n *\n * @static\n * @readonly\n * @type {lunr.Set}\n */\nlunr.Set.empty = {\n intersect: function () {\n return this\n },\n\n union: function (other) {\n return other\n },\n\n contains: function () {\n return false\n }\n}\n\n/**\n * Returns true if this set contains the specified object.\n *\n * @param {object} object - Object whose presence in this set is to be tested.\n * @returns {boolean} - True if this set contains the specified object.\n */\nlunr.Set.prototype.contains = function (object) {\n return !!this.elements[object]\n}\n\n/**\n * Returns a new set containing only the elements that are present in both\n * this set and the specified set.\n *\n * @param {lunr.Set} other - set to intersect with this set.\n * @returns {lunr.Set} a new set that is the intersection of this and the specified set.\n */\n\nlunr.Set.prototype.intersect = function (other) {\n var a, b, elements, intersection = []\n\n if (other === lunr.Set.complete) {\n return this\n }\n\n if (other === lunr.Set.empty) {\n return other\n }\n\n if (this.length < other.length) {\n a = this\n b = other\n } else {\n a = other\n b = this\n }\n\n elements = Object.keys(a.elements)\n\n for (var i = 0; i < elements.length; i++) {\n var element = elements[i]\n if (element in b.elements) {\n intersection.push(element)\n }\n }\n\n return new lunr.Set (intersection)\n}\n\n/**\n * Returns a new set combining the elements of this and the specified set.\n *\n * @param {lunr.Set} other - set to union with this set.\n * @return {lunr.Set} a new set that is the union of this and the specified set.\n */\n\nlunr.Set.prototype.union = function (other) {\n if (other === lunr.Set.complete) {\n return lunr.Set.complete\n }\n\n if (other === lunr.Set.empty) {\n return this\n }\n\n return new lunr.Set(Object.keys(this.elements).concat(Object.keys(other.elements)))\n}\n/**\n * A function to calculate the inverse document frequency for\n * a posting. This is shared between the builder and the index\n *\n * @private\n * @param {object} posting - The posting for a given term\n * @param {number} documentCount - The total number of documents.\n */\nlunr.idf = function (posting, documentCount) {\n var documentsWithTerm = 0\n\n for (var fieldName in posting) {\n if (fieldName == '_index') continue // Ignore the term index, its not a field\n documentsWithTerm += Object.keys(posting[fieldName]).length\n }\n\n var x = (documentCount - documentsWithTerm + 0.5) / (documentsWithTerm + 0.5)\n\n return Math.log(1 + Math.abs(x))\n}\n\n/**\n * A token wraps a string representation of a token\n * as it is passed through the text processing pipeline.\n *\n * @constructor\n * @param {string} [str=''] - The string token being wrapped.\n * @param {object} [metadata={}] - Metadata associated with this token.\n */\nlunr.Token = function (str, metadata) {\n this.str = str || \"\"\n this.metadata = metadata || {}\n}\n\n/**\n * Returns the token string that is being wrapped by this object.\n *\n * @returns {string}\n */\nlunr.Token.prototype.toString = function () {\n return this.str\n}\n\n/**\n * A token update function is used when updating or optionally\n * when cloning a token.\n *\n * @callback lunr.Token~updateFunction\n * @param {string} str - The string representation of the token.\n * @param {Object} metadata - All metadata associated with this token.\n */\n\n/**\n * Applies the given function to the wrapped string token.\n *\n * @example\n * token.update(function (str, metadata) {\n * return str.toUpperCase()\n * })\n *\n * @param {lunr.Token~updateFunction} fn - A function to apply to the token string.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.update = function (fn) {\n this.str = fn(this.str, this.metadata)\n return this\n}\n\n/**\n * Creates a clone of this token. Optionally a function can be\n * applied to the cloned token.\n *\n * @param {lunr.Token~updateFunction} [fn] - An optional function to apply to the cloned token.\n * @returns {lunr.Token}\n */\nlunr.Token.prototype.clone = function (fn) {\n fn = fn || function (s) { return s }\n return new lunr.Token (fn(this.str, this.metadata), this.metadata)\n}\n/*!\n * lunr.tokenizer\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A function for splitting a string into tokens ready to be inserted into\n * the search index. Uses `lunr.tokenizer.separator` to split strings, change\n * the value of this property to change how strings are split into tokens.\n *\n * This tokenizer will convert its parameter to a string by calling `toString` and\n * then will split this string on the character in `lunr.tokenizer.separator`.\n * Arrays will have their elements converted to strings and wrapped in a lunr.Token.\n *\n * Optional metadata can be passed to the tokenizer, this metadata will be cloned and\n * added as metadata to every token that is created from the object to be tokenized.\n *\n * @static\n * @param {?(string|object|object[])} obj - The object to convert into tokens\n * @param {?object} metadata - Optional metadata to associate with every token\n * @returns {lunr.Token[]}\n * @see {@link lunr.Pipeline}\n */\nlunr.tokenizer = function (obj, metadata) {\n if (obj == null || obj == undefined) {\n return []\n }\n\n if (Array.isArray(obj)) {\n return obj.map(function (t) {\n return new lunr.Token(\n lunr.utils.asString(t).toLowerCase(),\n lunr.utils.clone(metadata)\n )\n })\n }\n\n var str = obj.toString().toLowerCase(),\n len = str.length,\n tokens = []\n\n for (var sliceEnd = 0, sliceStart = 0; sliceEnd <= len; sliceEnd++) {\n var char = str.charAt(sliceEnd),\n sliceLength = sliceEnd - sliceStart\n\n if ((char.match(lunr.tokenizer.separator) || sliceEnd == len)) {\n\n if (sliceLength > 0) {\n var tokenMetadata = lunr.utils.clone(metadata) || {}\n tokenMetadata[\"position\"] = [sliceStart, sliceLength]\n tokenMetadata[\"index\"] = tokens.length\n\n tokens.push(\n new lunr.Token (\n str.slice(sliceStart, sliceEnd),\n tokenMetadata\n )\n )\n }\n\n sliceStart = sliceEnd + 1\n }\n\n }\n\n return tokens\n}\n\n/**\n * The separator used to split a string into tokens. Override this property to change the behaviour of\n * `lunr.tokenizer` behaviour when tokenizing strings. By default this splits on whitespace and hyphens.\n *\n * @static\n * @see lunr.tokenizer\n */\nlunr.tokenizer.separator = /[\\s\\-]+/\n/*!\n * lunr.Pipeline\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.Pipelines maintain an ordered list of functions to be applied to all\n * tokens in documents entering the search index and queries being ran against\n * the index.\n *\n * An instance of lunr.Index created with the lunr shortcut will contain a\n * pipeline with a stop word filter and an English language stemmer. Extra\n * functions can be added before or after either of these functions or these\n * default functions can be removed.\n *\n * When run the pipeline will call each function in turn, passing a token, the\n * index of that token in the original list of all tokens and finally a list of\n * all the original tokens.\n *\n * The output of functions in the pipeline will be passed to the next function\n * in the pipeline. To exclude a token from entering the index the function\n * should return undefined, the rest of the pipeline will not be called with\n * this token.\n *\n * For serialisation of pipelines to work, all functions used in an instance of\n * a pipeline should be registered with lunr.Pipeline. Registered functions can\n * then be loaded. If trying to load a serialised pipeline that uses functions\n * that are not registered an error will be thrown.\n *\n * If not planning on serialising the pipeline then registering pipeline functions\n * is not necessary.\n *\n * @constructor\n */\nlunr.Pipeline = function () {\n this._stack = []\n}\n\nlunr.Pipeline.registeredFunctions = Object.create(null)\n\n/**\n * A pipeline function maps lunr.Token to lunr.Token. A lunr.Token contains the token\n * string as well as all known metadata. A pipeline function can mutate the token string\n * or mutate (or add) metadata for a given token.\n *\n * A pipeline function can indicate that the passed token should be discarded by returning\n * null, undefined or an empty string. This token will not be passed to any downstream pipeline\n * functions and will not be added to the index.\n *\n * Multiple tokens can be returned by returning an array of tokens. Each token will be passed\n * to any downstream pipeline functions and all will returned tokens will be added to the index.\n *\n * Any number of pipeline functions may be chained together using a lunr.Pipeline.\n *\n * @interface lunr.PipelineFunction\n * @param {lunr.Token} token - A token from the document being processed.\n * @param {number} i - The index of this token in the complete list of tokens for this document/field.\n * @param {lunr.Token[]} tokens - All tokens for this document/field.\n * @returns {(?lunr.Token|lunr.Token[])}\n */\n\n/**\n * Register a function with the pipeline.\n *\n * Functions that are used in the pipeline should be registered if the pipeline\n * needs to be serialised, or a serialised pipeline needs to be loaded.\n *\n * Registering a function does not add it to a pipeline, functions must still be\n * added to instances of the pipeline for them to be used when running a pipeline.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @param {String} label - The label to register this function with\n */\nlunr.Pipeline.registerFunction = function (fn, label) {\n if (label in this.registeredFunctions) {\n lunr.utils.warn('Overwriting existing registered function: ' + label)\n }\n\n fn.label = label\n lunr.Pipeline.registeredFunctions[fn.label] = fn\n}\n\n/**\n * Warns if the function is not registered as a Pipeline function.\n *\n * @param {lunr.PipelineFunction} fn - The function to check for.\n * @private\n */\nlunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {\n var isRegistered = fn.label && (fn.label in this.registeredFunctions)\n\n if (!isRegistered) {\n lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\\n', fn)\n }\n}\n\n/**\n * Loads a previously serialised pipeline.\n *\n * All functions to be loaded must already be registered with lunr.Pipeline.\n * If any function from the serialised data has not been registered then an\n * error will be thrown.\n *\n * @param {Object} serialised - The serialised pipeline to load.\n * @returns {lunr.Pipeline}\n */\nlunr.Pipeline.load = function (serialised) {\n var pipeline = new lunr.Pipeline\n\n serialised.forEach(function (fnName) {\n var fn = lunr.Pipeline.registeredFunctions[fnName]\n\n if (fn) {\n pipeline.add(fn)\n } else {\n throw new Error('Cannot load unregistered function: ' + fnName)\n }\n })\n\n return pipeline\n}\n\n/**\n * Adds new functions to the end of the pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction[]} functions - Any number of functions to add to the pipeline.\n */\nlunr.Pipeline.prototype.add = function () {\n var fns = Array.prototype.slice.call(arguments)\n\n fns.forEach(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n this._stack.push(fn)\n }, this)\n}\n\n/**\n * Adds a single function after a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.after = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n pos = pos + 1\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Adds a single function before a function that already exists in the\n * pipeline.\n *\n * Logs a warning if the function has not been registered.\n *\n * @param {lunr.PipelineFunction} existingFn - A function that already exists in the pipeline.\n * @param {lunr.PipelineFunction} newFn - The new function to add to the pipeline.\n */\nlunr.Pipeline.prototype.before = function (existingFn, newFn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(newFn)\n\n var pos = this._stack.indexOf(existingFn)\n if (pos == -1) {\n throw new Error('Cannot find existingFn')\n }\n\n this._stack.splice(pos, 0, newFn)\n}\n\n/**\n * Removes a function from the pipeline.\n *\n * @param {lunr.PipelineFunction} fn The function to remove from the pipeline.\n */\nlunr.Pipeline.prototype.remove = function (fn) {\n var pos = this._stack.indexOf(fn)\n if (pos == -1) {\n return\n }\n\n this._stack.splice(pos, 1)\n}\n\n/**\n * Runs the current list of functions that make up the pipeline against the\n * passed tokens.\n *\n * @param {Array} tokens The tokens to run through the pipeline.\n * @returns {Array}\n */\nlunr.Pipeline.prototype.run = function (tokens) {\n var stackLength = this._stack.length\n\n for (var i = 0; i < stackLength; i++) {\n var fn = this._stack[i]\n var memo = []\n\n for (var j = 0; j < tokens.length; j++) {\n var result = fn(tokens[j], j, tokens)\n\n if (result === null || result === void 0 || result === '') continue\n\n if (Array.isArray(result)) {\n for (var k = 0; k < result.length; k++) {\n memo.push(result[k])\n }\n } else {\n memo.push(result)\n }\n }\n\n tokens = memo\n }\n\n return tokens\n}\n\n/**\n * Convenience method for passing a string through a pipeline and getting\n * strings out. This method takes care of wrapping the passed string in a\n * token and mapping the resulting tokens back to strings.\n *\n * @param {string} str - The string to pass through the pipeline.\n * @param {?object} metadata - Optional metadata to associate with the token\n * passed to the pipeline.\n * @returns {string[]}\n */\nlunr.Pipeline.prototype.runString = function (str, metadata) {\n var token = new lunr.Token (str, metadata)\n\n return this.run([token]).map(function (t) {\n return t.toString()\n })\n}\n\n/**\n * Resets the pipeline by removing any existing processors.\n *\n */\nlunr.Pipeline.prototype.reset = function () {\n this._stack = []\n}\n\n/**\n * Returns a representation of the pipeline ready for serialisation.\n *\n * Logs a warning if the function has not been registered.\n *\n * @returns {Array}\n */\nlunr.Pipeline.prototype.toJSON = function () {\n return this._stack.map(function (fn) {\n lunr.Pipeline.warnIfFunctionNotRegistered(fn)\n\n return fn.label\n })\n}\n/*!\n * lunr.Vector\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A vector is used to construct the vector space of documents and queries. These\n * vectors support operations to determine the similarity between two documents or\n * a document and a query.\n *\n * Normally no parameters are required for initializing a vector, but in the case of\n * loading a previously dumped vector the raw elements can be provided to the constructor.\n *\n * For performance reasons vectors are implemented with a flat array, where an elements\n * index is immediately followed by its value. E.g. [index, value, index, value]. This\n * allows the underlying array to be as sparse as possible and still offer decent\n * performance when being used for vector calculations.\n *\n * @constructor\n * @param {Number[]} [elements] - The flat list of element index and element value pairs.\n */\nlunr.Vector = function (elements) {\n this._magnitude = 0\n this.elements = elements || []\n}\n\n\n/**\n * Calculates the position within the vector to insert a given index.\n *\n * This is used internally by insert and upsert. If there are duplicate indexes then\n * the position is returned as if the value for that index were to be updated, but it\n * is the callers responsibility to check whether there is a duplicate at that index\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @returns {Number}\n */\nlunr.Vector.prototype.positionForIndex = function (index) {\n // For an empty vector the tuple can be inserted at the beginning\n if (this.elements.length == 0) {\n return 0\n }\n\n var start = 0,\n end = this.elements.length / 2,\n sliceLength = end - start,\n pivotPoint = Math.floor(sliceLength / 2),\n pivotIndex = this.elements[pivotPoint * 2]\n\n while (sliceLength > 1) {\n if (pivotIndex < index) {\n start = pivotPoint\n }\n\n if (pivotIndex > index) {\n end = pivotPoint\n }\n\n if (pivotIndex == index) {\n break\n }\n\n sliceLength = end - start\n pivotPoint = start + Math.floor(sliceLength / 2)\n pivotIndex = this.elements[pivotPoint * 2]\n }\n\n if (pivotIndex == index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex > index) {\n return pivotPoint * 2\n }\n\n if (pivotIndex < index) {\n return (pivotPoint + 1) * 2\n }\n}\n\n/**\n * Inserts an element at an index within the vector.\n *\n * Does not allow duplicates, will throw an error if there is already an entry\n * for this index.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n */\nlunr.Vector.prototype.insert = function (insertIdx, val) {\n this.upsert(insertIdx, val, function () {\n throw \"duplicate index\"\n })\n}\n\n/**\n * Inserts or updates an existing index within the vector.\n *\n * @param {Number} insertIdx - The index at which the element should be inserted.\n * @param {Number} val - The value to be inserted into the vector.\n * @param {function} fn - A function that is called for updates, the existing value and the\n * requested value are passed as arguments\n */\nlunr.Vector.prototype.upsert = function (insertIdx, val, fn) {\n this._magnitude = 0\n var position = this.positionForIndex(insertIdx)\n\n if (this.elements[position] == insertIdx) {\n this.elements[position + 1] = fn(this.elements[position + 1], val)\n } else {\n this.elements.splice(position, 0, insertIdx, val)\n }\n}\n\n/**\n * Calculates the magnitude of this vector.\n *\n * @returns {Number}\n */\nlunr.Vector.prototype.magnitude = function () {\n if (this._magnitude) return this._magnitude\n\n var sumOfSquares = 0,\n elementsLength = this.elements.length\n\n for (var i = 1; i < elementsLength; i += 2) {\n var val = this.elements[i]\n sumOfSquares += val * val\n }\n\n return this._magnitude = Math.sqrt(sumOfSquares)\n}\n\n/**\n * Calculates the dot product of this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The vector to compute the dot product with.\n * @returns {Number}\n */\nlunr.Vector.prototype.dot = function (otherVector) {\n var dotProduct = 0,\n a = this.elements, b = otherVector.elements,\n aLen = a.length, bLen = b.length,\n aVal = 0, bVal = 0,\n i = 0, j = 0\n\n while (i < aLen && j < bLen) {\n aVal = a[i], bVal = b[j]\n if (aVal < bVal) {\n i += 2\n } else if (aVal > bVal) {\n j += 2\n } else if (aVal == bVal) {\n dotProduct += a[i + 1] * b[j + 1]\n i += 2\n j += 2\n }\n }\n\n return dotProduct\n}\n\n/**\n * Calculates the similarity between this vector and another vector.\n *\n * @param {lunr.Vector} otherVector - The other vector to calculate the\n * similarity with.\n * @returns {Number}\n */\nlunr.Vector.prototype.similarity = function (otherVector) {\n return this.dot(otherVector) / this.magnitude() || 0\n}\n\n/**\n * Converts the vector to an array of the elements within the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toArray = function () {\n var output = new Array (this.elements.length / 2)\n\n for (var i = 1, j = 0; i < this.elements.length; i += 2, j++) {\n output[j] = this.elements[i]\n }\n\n return output\n}\n\n/**\n * A JSON serializable representation of the vector.\n *\n * @returns {Number[]}\n */\nlunr.Vector.prototype.toJSON = function () {\n return this.elements\n}\n/* eslint-disable */\n/*!\n * lunr.stemmer\n * Copyright (C) 2019 Oliver Nightingale\n * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt\n */\n\n/**\n * lunr.stemmer is an english language stemmer, this is a JavaScript\n * implementation of the PorterStemmer taken from http://tartarus.org/~martin\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token - The string to stem\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n * @function\n */\nlunr.stemmer = (function(){\n var step2list = {\n \"ational\" : \"ate\",\n \"tional\" : \"tion\",\n \"enci\" : \"ence\",\n \"anci\" : \"ance\",\n \"izer\" : \"ize\",\n \"bli\" : \"ble\",\n \"alli\" : \"al\",\n \"entli\" : \"ent\",\n \"eli\" : \"e\",\n \"ousli\" : \"ous\",\n \"ization\" : \"ize\",\n \"ation\" : \"ate\",\n \"ator\" : \"ate\",\n \"alism\" : \"al\",\n \"iveness\" : \"ive\",\n \"fulness\" : \"ful\",\n \"ousness\" : \"ous\",\n \"aliti\" : \"al\",\n \"iviti\" : \"ive\",\n \"biliti\" : \"ble\",\n \"logi\" : \"log\"\n },\n\n step3list = {\n \"icate\" : \"ic\",\n \"ative\" : \"\",\n \"alize\" : \"al\",\n \"iciti\" : \"ic\",\n \"ical\" : \"ic\",\n \"ful\" : \"\",\n \"ness\" : \"\"\n },\n\n c = \"[^aeiou]\", // consonant\n v = \"[aeiouy]\", // vowel\n C = c + \"[^aeiouy]*\", // consonant sequence\n V = v + \"[aeiou]*\", // vowel sequence\n\n mgr0 = \"^(\" + C + \")?\" + V + C, // [C]VC... is m>0\n meq1 = \"^(\" + C + \")?\" + V + C + \"(\" + V + \")?$\", // [C]VC[V] is m=1\n mgr1 = \"^(\" + C + \")?\" + V + C + V + C, // [C]VCVC... is m>1\n s_v = \"^(\" + C + \")?\" + v; // vowel in stem\n\n var re_mgr0 = new RegExp(mgr0);\n var re_mgr1 = new RegExp(mgr1);\n var re_meq1 = new RegExp(meq1);\n var re_s_v = new RegExp(s_v);\n\n var re_1a = /^(.+?)(ss|i)es$/;\n var re2_1a = /^(.+?)([^s])s$/;\n var re_1b = /^(.+?)eed$/;\n var re2_1b = /^(.+?)(ed|ing)$/;\n var re_1b_2 = /.$/;\n var re2_1b_2 = /(at|bl|iz)$/;\n var re3_1b_2 = new RegExp(\"([^aeiouylsz])\\\\1$\");\n var re4_1b_2 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var re_1c = /^(.+?[^aeiou])y$/;\n var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;\n\n var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;\n\n var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;\n var re2_4 = /^(.+?)(s|t)(ion)$/;\n\n var re_5 = /^(.+?)e$/;\n var re_5_1 = /ll$/;\n var re3_5 = new RegExp(\"^\" + C + v + \"[^aeiouwxy]$\");\n\n var porterStemmer = function porterStemmer(w) {\n var stem,\n suffix,\n firstch,\n re,\n re2,\n re3,\n re4;\n\n if (w.length < 3) { return w; }\n\n firstch = w.substr(0,1);\n if (firstch == \"y\") {\n w = firstch.toUpperCase() + w.substr(1);\n }\n\n // Step 1a\n re = re_1a\n re2 = re2_1a;\n\n if (re.test(w)) { w = w.replace(re,\"$1$2\"); }\n else if (re2.test(w)) { w = w.replace(re2,\"$1$2\"); }\n\n // Step 1b\n re = re_1b;\n re2 = re2_1b;\n if (re.test(w)) {\n var fp = re.exec(w);\n re = re_mgr0;\n if (re.test(fp[1])) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1];\n re2 = re_s_v;\n if (re2.test(stem)) {\n w = stem;\n re2 = re2_1b_2;\n re3 = re3_1b_2;\n re4 = re4_1b_2;\n if (re2.test(w)) { w = w + \"e\"; }\n else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,\"\"); }\n else if (re4.test(w)) { w = w + \"e\"; }\n }\n }\n\n // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)\n re = re_1c;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n w = stem + \"i\";\n }\n\n // Step 2\n re = re_2;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step2list[suffix];\n }\n }\n\n // Step 3\n re = re_3;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n suffix = fp[2];\n re = re_mgr0;\n if (re.test(stem)) {\n w = stem + step3list[suffix];\n }\n }\n\n // Step 4\n re = re_4;\n re2 = re2_4;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n if (re.test(stem)) {\n w = stem;\n }\n } else if (re2.test(w)) {\n var fp = re2.exec(w);\n stem = fp[1] + fp[2];\n re2 = re_mgr1;\n if (re2.test(stem)) {\n w = stem;\n }\n }\n\n // Step 5\n re = re_5;\n if (re.test(w)) {\n var fp = re.exec(w);\n stem = fp[1];\n re = re_mgr1;\n re2 = re_meq1;\n re3 = re3_5;\n if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {\n w = stem;\n }\n }\n\n re = re_5_1;\n re2 = re_mgr1;\n if (re.test(w) && re2.test(w)) {\n re = re_1b_2;\n w = w.replace(re,\"\");\n }\n\n // and turn initial Y back to y\n\n if (firstch == \"y\") {\n w = firstch.toLowerCase() + w.substr(1);\n }\n\n return w;\n };\n\n return function (token) {\n return token.update(porterStemmer);\n }\n})();\n\nlunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')\n/*!\n * lunr.stopWordFilter\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.generateStopWordFilter builds a stopWordFilter function from the provided\n * list of stop words.\n *\n * The built in lunr.stopWordFilter is built using this generator and can be used\n * to generate custom stopWordFilters for applications or non English languages.\n *\n * @function\n * @param {Array} token The token to pass through the filter\n * @returns {lunr.PipelineFunction}\n * @see lunr.Pipeline\n * @see lunr.stopWordFilter\n */\nlunr.generateStopWordFilter = function (stopWords) {\n var words = stopWords.reduce(function (memo, stopWord) {\n memo[stopWord] = stopWord\n return memo\n }, {})\n\n return function (token) {\n if (token && words[token.toString()] !== token.toString()) return token\n }\n}\n\n/**\n * lunr.stopWordFilter is an English language stop word list filter, any words\n * contained in the list will not be passed through the filter.\n *\n * This is intended to be used in the Pipeline. If the token does not pass the\n * filter then undefined will be returned.\n *\n * @function\n * @implements {lunr.PipelineFunction}\n * @params {lunr.Token} token - A token to check for being a stop word.\n * @returns {lunr.Token}\n * @see {@link lunr.Pipeline}\n */\nlunr.stopWordFilter = lunr.generateStopWordFilter([\n 'a',\n 'able',\n 'about',\n 'across',\n 'after',\n 'all',\n 'almost',\n 'also',\n 'am',\n 'among',\n 'an',\n 'and',\n 'any',\n 'are',\n 'as',\n 'at',\n 'be',\n 'because',\n 'been',\n 'but',\n 'by',\n 'can',\n 'cannot',\n 'could',\n 'dear',\n 'did',\n 'do',\n 'does',\n 'either',\n 'else',\n 'ever',\n 'every',\n 'for',\n 'from',\n 'get',\n 'got',\n 'had',\n 'has',\n 'have',\n 'he',\n 'her',\n 'hers',\n 'him',\n 'his',\n 'how',\n 'however',\n 'i',\n 'if',\n 'in',\n 'into',\n 'is',\n 'it',\n 'its',\n 'just',\n 'least',\n 'let',\n 'like',\n 'likely',\n 'may',\n 'me',\n 'might',\n 'most',\n 'must',\n 'my',\n 'neither',\n 'no',\n 'nor',\n 'not',\n 'of',\n 'off',\n 'often',\n 'on',\n 'only',\n 'or',\n 'other',\n 'our',\n 'own',\n 'rather',\n 'said',\n 'say',\n 'says',\n 'she',\n 'should',\n 'since',\n 'so',\n 'some',\n 'than',\n 'that',\n 'the',\n 'their',\n 'them',\n 'then',\n 'there',\n 'these',\n 'they',\n 'this',\n 'tis',\n 'to',\n 'too',\n 'twas',\n 'us',\n 'wants',\n 'was',\n 'we',\n 'were',\n 'what',\n 'when',\n 'where',\n 'which',\n 'while',\n 'who',\n 'whom',\n 'why',\n 'will',\n 'with',\n 'would',\n 'yet',\n 'you',\n 'your'\n])\n\nlunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')\n/*!\n * lunr.trimmer\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.trimmer is a pipeline function for trimming non word\n * characters from the beginning and end of tokens before they\n * enter the index.\n *\n * This implementation may not work correctly for non latin\n * characters and should either be removed or adapted for use\n * with languages with non-latin characters.\n *\n * @static\n * @implements {lunr.PipelineFunction}\n * @param {lunr.Token} token The token to pass through the filter\n * @returns {lunr.Token}\n * @see lunr.Pipeline\n */\nlunr.trimmer = function (token) {\n return token.update(function (s) {\n return s.replace(/^\\W+/, '').replace(/\\W+$/, '')\n })\n}\n\nlunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')\n/*!\n * lunr.TokenSet\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * A token set is used to store the unique list of all tokens\n * within an index. Token sets are also used to represent an\n * incoming query to the index, this query token set and index\n * token set are then intersected to find which tokens to look\n * up in the inverted index.\n *\n * A token set can hold multiple tokens, as in the case of the\n * index token set, or it can hold a single token as in the\n * case of a simple query token set.\n *\n * Additionally token sets are used to perform wildcard matching.\n * Leading, contained and trailing wildcards are supported, and\n * from this edit distance matching can also be provided.\n *\n * Token sets are implemented as a minimal finite state automata,\n * where both common prefixes and suffixes are shared between tokens.\n * This helps to reduce the space used for storing the token set.\n *\n * @constructor\n */\nlunr.TokenSet = function () {\n this.final = false\n this.edges = {}\n this.id = lunr.TokenSet._nextId\n lunr.TokenSet._nextId += 1\n}\n\n/**\n * Keeps track of the next, auto increment, identifier to assign\n * to a new tokenSet.\n *\n * TokenSets require a unique identifier to be correctly minimised.\n *\n * @private\n */\nlunr.TokenSet._nextId = 1\n\n/**\n * Creates a TokenSet instance from the given sorted array of words.\n *\n * @param {String[]} arr - A sorted array of strings to create the set from.\n * @returns {lunr.TokenSet}\n * @throws Will throw an error if the input array is not sorted.\n */\nlunr.TokenSet.fromArray = function (arr) {\n var builder = new lunr.TokenSet.Builder\n\n for (var i = 0, len = arr.length; i < len; i++) {\n builder.insert(arr[i])\n }\n\n builder.finish()\n return builder.root\n}\n\n/**\n * Creates a token set from a query clause.\n *\n * @private\n * @param {Object} clause - A single clause from lunr.Query.\n * @param {string} clause.term - The query clause term.\n * @param {number} [clause.editDistance] - The optional edit distance for the term.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromClause = function (clause) {\n if ('editDistance' in clause) {\n return lunr.TokenSet.fromFuzzyString(clause.term, clause.editDistance)\n } else {\n return lunr.TokenSet.fromString(clause.term)\n }\n}\n\n/**\n * Creates a token set representing a single string with a specified\n * edit distance.\n *\n * Insertions, deletions, substitutions and transpositions are each\n * treated as an edit distance of 1.\n *\n * Increasing the allowed edit distance will have a dramatic impact\n * on the performance of both creating and intersecting these TokenSets.\n * It is advised to keep the edit distance less than 3.\n *\n * @param {string} str - The string to create the token set from.\n * @param {number} editDistance - The allowed edit distance to match.\n * @returns {lunr.Vector}\n */\nlunr.TokenSet.fromFuzzyString = function (str, editDistance) {\n var root = new lunr.TokenSet\n\n var stack = [{\n node: root,\n editsRemaining: editDistance,\n str: str\n }]\n\n while (stack.length) {\n var frame = stack.pop()\n\n // no edit\n if (frame.str.length > 0) {\n var char = frame.str.charAt(0),\n noEditNode\n\n if (char in frame.node.edges) {\n noEditNode = frame.node.edges[char]\n } else {\n noEditNode = new lunr.TokenSet\n frame.node.edges[char] = noEditNode\n }\n\n if (frame.str.length == 1) {\n noEditNode.final = true\n }\n\n stack.push({\n node: noEditNode,\n editsRemaining: frame.editsRemaining,\n str: frame.str.slice(1)\n })\n }\n\n if (frame.editsRemaining == 0) {\n continue\n }\n\n // insertion\n if (\"*\" in frame.node.edges) {\n var insertionNode = frame.node.edges[\"*\"]\n } else {\n var insertionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = insertionNode\n }\n\n if (frame.str.length == 0) {\n insertionNode.final = true\n }\n\n stack.push({\n node: insertionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str\n })\n\n // deletion\n // can only do a deletion if we have enough edits remaining\n // and if there are characters left to delete in the string\n if (frame.str.length > 1) {\n stack.push({\n node: frame.node,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // deletion\n // just removing the last character from the str\n if (frame.str.length == 1) {\n frame.node.final = true\n }\n\n // substitution\n // can only do a substitution if we have enough edits remaining\n // and if there are characters left to substitute\n if (frame.str.length >= 1) {\n if (\"*\" in frame.node.edges) {\n var substitutionNode = frame.node.edges[\"*\"]\n } else {\n var substitutionNode = new lunr.TokenSet\n frame.node.edges[\"*\"] = substitutionNode\n }\n\n if (frame.str.length == 1) {\n substitutionNode.final = true\n }\n\n stack.push({\n node: substitutionNode,\n editsRemaining: frame.editsRemaining - 1,\n str: frame.str.slice(1)\n })\n }\n\n // transposition\n // can only do a transposition if there are edits remaining\n // and there are enough characters to transpose\n if (frame.str.length > 1) {\n var charA = frame.str.charAt(0),\n charB = frame.str.charAt(1),\n transposeNode\n\n if (charB in frame.node.edges) {\n transposeNode = frame.node.edges[charB]\n } else {\n transposeNode = new lunr.TokenSet\n frame.node.edges[charB] = transposeNode\n }\n\n if (frame.str.length == 1) {\n transposeNode.final = true\n }\n\n stack.push({\n node: transposeNode,\n editsRemaining: frame.editsRemaining - 1,\n str: charA + frame.str.slice(2)\n })\n }\n }\n\n return root\n}\n\n/**\n * Creates a TokenSet from a string.\n *\n * The string may contain one or more wildcard characters (*)\n * that will allow wildcard matching when intersecting with\n * another TokenSet.\n *\n * @param {string} str - The string to create a TokenSet from.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.fromString = function (str) {\n var node = new lunr.TokenSet,\n root = node\n\n /*\n * Iterates through all characters within the passed string\n * appending a node for each character.\n *\n * When a wildcard character is found then a self\n * referencing edge is introduced to continually match\n * any number of any characters.\n */\n for (var i = 0, len = str.length; i < len; i++) {\n var char = str[i],\n final = (i == len - 1)\n\n if (char == \"*\") {\n node.edges[char] = node\n node.final = final\n\n } else {\n var next = new lunr.TokenSet\n next.final = final\n\n node.edges[char] = next\n node = next\n }\n }\n\n return root\n}\n\n/**\n * Converts this TokenSet into an array of strings\n * contained within the TokenSet.\n *\n * This is not intended to be used on a TokenSet that\n * contains wildcards, in these cases the results are\n * undefined and are likely to cause an infinite loop.\n *\n * @returns {string[]}\n */\nlunr.TokenSet.prototype.toArray = function () {\n var words = []\n\n var stack = [{\n prefix: \"\",\n node: this\n }]\n\n while (stack.length) {\n var frame = stack.pop(),\n edges = Object.keys(frame.node.edges),\n len = edges.length\n\n if (frame.node.final) {\n /* In Safari, at this point the prefix is sometimes corrupted, see:\n * https://github.com/olivernn/lunr.js/issues/279 Calling any\n * String.prototype method forces Safari to \"cast\" this string to what\n * it's supposed to be, fixing the bug. */\n frame.prefix.charAt(0)\n words.push(frame.prefix)\n }\n\n for (var i = 0; i < len; i++) {\n var edge = edges[i]\n\n stack.push({\n prefix: frame.prefix.concat(edge),\n node: frame.node.edges[edge]\n })\n }\n }\n\n return words\n}\n\n/**\n * Generates a string representation of a TokenSet.\n *\n * This is intended to allow TokenSets to be used as keys\n * in objects, largely to aid the construction and minimisation\n * of a TokenSet. As such it is not designed to be a human\n * friendly representation of the TokenSet.\n *\n * @returns {string}\n */\nlunr.TokenSet.prototype.toString = function () {\n // NOTE: Using Object.keys here as this.edges is very likely\n // to enter 'hash-mode' with many keys being added\n //\n // avoiding a for-in loop here as it leads to the function\n // being de-optimised (at least in V8). From some simple\n // benchmarks the performance is comparable, but allowing\n // V8 to optimize may mean easy performance wins in the future.\n\n if (this._str) {\n return this._str\n }\n\n var str = this.final ? '1' : '0',\n labels = Object.keys(this.edges).sort(),\n len = labels.length\n\n for (var i = 0; i < len; i++) {\n var label = labels[i],\n node = this.edges[label]\n\n str = str + label + node.id\n }\n\n return str\n}\n\n/**\n * Returns a new TokenSet that is the intersection of\n * this TokenSet and the passed TokenSet.\n *\n * This intersection will take into account any wildcards\n * contained within the TokenSet.\n *\n * @param {lunr.TokenSet} b - An other TokenSet to intersect with.\n * @returns {lunr.TokenSet}\n */\nlunr.TokenSet.prototype.intersect = function (b) {\n var output = new lunr.TokenSet,\n frame = undefined\n\n var stack = [{\n qNode: b,\n output: output,\n node: this\n }]\n\n while (stack.length) {\n frame = stack.pop()\n\n // NOTE: As with the #toString method, we are using\n // Object.keys and a for loop instead of a for-in loop\n // as both of these objects enter 'hash' mode, causing\n // the function to be de-optimised in V8\n var qEdges = Object.keys(frame.qNode.edges),\n qLen = qEdges.length,\n nEdges = Object.keys(frame.node.edges),\n nLen = nEdges.length\n\n for (var q = 0; q < qLen; q++) {\n var qEdge = qEdges[q]\n\n for (var n = 0; n < nLen; n++) {\n var nEdge = nEdges[n]\n\n if (nEdge == qEdge || qEdge == '*') {\n var node = frame.node.edges[nEdge],\n qNode = frame.qNode.edges[qEdge],\n final = node.final && qNode.final,\n next = undefined\n\n if (nEdge in frame.output.edges) {\n // an edge already exists for this character\n // no need to create a new node, just set the finality\n // bit unless this node is already final\n next = frame.output.edges[nEdge]\n next.final = next.final || final\n\n } else {\n // no edge exists yet, must create one\n // set the finality bit and insert it\n // into the output\n next = new lunr.TokenSet\n next.final = final\n frame.output.edges[nEdge] = next\n }\n\n stack.push({\n qNode: qNode,\n output: next,\n node: node\n })\n }\n }\n }\n }\n\n return output\n}\nlunr.TokenSet.Builder = function () {\n this.previousWord = \"\"\n this.root = new lunr.TokenSet\n this.uncheckedNodes = []\n this.minimizedNodes = {}\n}\n\nlunr.TokenSet.Builder.prototype.insert = function (word) {\n var node,\n commonPrefix = 0\n\n if (word < this.previousWord) {\n throw new Error (\"Out of order word insertion\")\n }\n\n for (var i = 0; i < word.length && i < this.previousWord.length; i++) {\n if (word[i] != this.previousWord[i]) break\n commonPrefix++\n }\n\n this.minimize(commonPrefix)\n\n if (this.uncheckedNodes.length == 0) {\n node = this.root\n } else {\n node = this.uncheckedNodes[this.uncheckedNodes.length - 1].child\n }\n\n for (var i = commonPrefix; i < word.length; i++) {\n var nextNode = new lunr.TokenSet,\n char = word[i]\n\n node.edges[char] = nextNode\n\n this.uncheckedNodes.push({\n parent: node,\n char: char,\n child: nextNode\n })\n\n node = nextNode\n }\n\n node.final = true\n this.previousWord = word\n}\n\nlunr.TokenSet.Builder.prototype.finish = function () {\n this.minimize(0)\n}\n\nlunr.TokenSet.Builder.prototype.minimize = function (downTo) {\n for (var i = this.uncheckedNodes.length - 1; i >= downTo; i--) {\n var node = this.uncheckedNodes[i],\n childKey = node.child.toString()\n\n if (childKey in this.minimizedNodes) {\n node.parent.edges[node.char] = this.minimizedNodes[childKey]\n } else {\n // Cache the key for this node since\n // we know it can't change anymore\n node.child._str = childKey\n\n this.minimizedNodes[childKey] = node.child\n }\n\n this.uncheckedNodes.pop()\n }\n}\n/*!\n * lunr.Index\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * An index contains the built index of all documents and provides a query interface\n * to the index.\n *\n * Usually instances of lunr.Index will not be created using this constructor, instead\n * lunr.Builder should be used to construct new indexes, or lunr.Index.load should be\n * used to load previously built and serialized indexes.\n *\n * @constructor\n * @param {Object} attrs - The attributes of the built search index.\n * @param {Object} attrs.invertedIndex - An index of term/field to document reference.\n * @param {Object} attrs.fieldVectors - Field vectors\n * @param {lunr.TokenSet} attrs.tokenSet - An set of all corpus tokens.\n * @param {string[]} attrs.fields - The names of indexed document fields.\n * @param {lunr.Pipeline} attrs.pipeline - The pipeline to use for search terms.\n */\nlunr.Index = function (attrs) {\n this.invertedIndex = attrs.invertedIndex\n this.fieldVectors = attrs.fieldVectors\n this.tokenSet = attrs.tokenSet\n this.fields = attrs.fields\n this.pipeline = attrs.pipeline\n}\n\n/**\n * A result contains details of a document matching a search query.\n * @typedef {Object} lunr.Index~Result\n * @property {string} ref - The reference of the document this result represents.\n * @property {number} score - A number between 0 and 1 representing how similar this document is to the query.\n * @property {lunr.MatchData} matchData - Contains metadata about this match including which term(s) caused the match.\n */\n\n/**\n * Although lunr provides the ability to create queries using lunr.Query, it also provides a simple\n * query language which itself is parsed into an instance of lunr.Query.\n *\n * For programmatically building queries it is advised to directly use lunr.Query, the query language\n * is best used for human entered text rather than program generated text.\n *\n * At its simplest queries can just be a single term, e.g. `hello`, multiple terms are also supported\n * and will be combined with OR, e.g `hello world` will match documents that contain either 'hello'\n * or 'world', though those that contain both will rank higher in the results.\n *\n * Wildcards can be included in terms to match one or more unspecified characters, these wildcards can\n * be inserted anywhere within the term, and more than one wildcard can exist in a single term. Adding\n * wildcards will increase the number of documents that will be found but can also have a negative\n * impact on query performance, especially with wildcards at the beginning of a term.\n *\n * Terms can be restricted to specific fields, e.g. `title:hello`, only documents with the term\n * hello in the title field will match this query. Using a field not present in the index will lead\n * to an error being thrown.\n *\n * Modifiers can also be added to terms, lunr supports edit distance and boost modifiers on terms. A term\n * boost will make documents matching that term score higher, e.g. `foo^5`. Edit distance is also supported\n * to provide fuzzy matching, e.g. 'hello~2' will match documents with hello with an edit distance of 2.\n * Avoid large values for edit distance to improve query performance.\n *\n * Each term also supports a presence modifier. By default a term's presence in document is optional, however\n * this can be changed to either required or prohibited. For a term's presence to be required in a document the\n * term should be prefixed with a '+', e.g. `+foo bar` is a search for documents that must contain 'foo' and\n * optionally contain 'bar'. Conversely a leading '-' sets the terms presence to prohibited, i.e. it must not\n * appear in a document, e.g. `-foo bar` is a search for documents that do not contain 'foo' but may contain 'bar'.\n *\n * To escape special characters the backslash character '\\' can be used, this allows searches to include\n * characters that would normally be considered modifiers, e.g. `foo\\~2` will search for a term \"foo~2\" instead\n * of attempting to apply a boost of 2 to the search term \"foo\".\n *\n * @typedef {string} lunr.Index~QueryString\n * @example Simple single term query\n * hello\n * @example Multiple term query\n * hello world\n * @example term scoped to a field\n * title:hello\n * @example term with a boost of 10\n * hello^10\n * @example term with an edit distance of 2\n * hello~2\n * @example terms with presence modifiers\n * -foo +bar baz\n */\n\n/**\n * Performs a search against the index using lunr query syntax.\n *\n * Results will be returned sorted by their score, the most relevant results\n * will be returned first. For details on how the score is calculated, please see\n * the {@link https://lunrjs.com/guides/searching.html#scoring|guide}.\n *\n * For more programmatic querying use lunr.Index#query.\n *\n * @param {lunr.Index~QueryString} queryString - A string containing a lunr query.\n * @throws {lunr.QueryParseError} If the passed query string cannot be parsed.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.search = function (queryString) {\n return this.query(function (query) {\n var parser = new lunr.QueryParser(queryString, query)\n parser.parse()\n })\n}\n\n/**\n * A query builder callback provides a query object to be used to express\n * the query to perform on the index.\n *\n * @callback lunr.Index~queryBuilder\n * @param {lunr.Query} query - The query object to build up.\n * @this lunr.Query\n */\n\n/**\n * Performs a query against the index using the yielded lunr.Query object.\n *\n * If performing programmatic queries against the index, this method is preferred\n * over lunr.Index#search so as to avoid the additional query parsing overhead.\n *\n * A query object is yielded to the supplied function which should be used to\n * express the query to be run against the index.\n *\n * Note that although this function takes a callback parameter it is _not_ an\n * asynchronous operation, the callback is just yielded a query object to be\n * customized.\n *\n * @param {lunr.Index~queryBuilder} fn - A function that is used to build the query.\n * @returns {lunr.Index~Result[]}\n */\nlunr.Index.prototype.query = function (fn) {\n // for each query clause\n // * process terms\n // * expand terms from token set\n // * find matching documents and metadata\n // * get document vectors\n // * score documents\n\n var query = new lunr.Query(this.fields),\n matchingFields = Object.create(null),\n queryVectors = Object.create(null),\n termFieldCache = Object.create(null),\n requiredMatches = Object.create(null),\n prohibitedMatches = Object.create(null)\n\n /*\n * To support field level boosts a query vector is created per\n * field. An empty vector is eagerly created to support negated\n * queries.\n */\n for (var i = 0; i < this.fields.length; i++) {\n queryVectors[this.fields[i]] = new lunr.Vector\n }\n\n fn.call(query, query)\n\n for (var i = 0; i < query.clauses.length; i++) {\n /*\n * Unless the pipeline has been disabled for this term, which is\n * the case for terms with wildcards, we need to pass the clause\n * term through the search pipeline. A pipeline returns an array\n * of processed terms. Pipeline functions may expand the passed\n * term, which means we may end up performing multiple index lookups\n * for a single query term.\n */\n var clause = query.clauses[i],\n terms = null,\n clauseMatches = lunr.Set.complete\n\n if (clause.usePipeline) {\n terms = this.pipeline.runString(clause.term, {\n fields: clause.fields\n })\n } else {\n terms = [clause.term]\n }\n\n for (var m = 0; m < terms.length; m++) {\n var term = terms[m]\n\n /*\n * Each term returned from the pipeline needs to use the same query\n * clause object, e.g. the same boost and or edit distance. The\n * simplest way to do this is to re-use the clause object but mutate\n * its term property.\n */\n clause.term = term\n\n /*\n * From the term in the clause we create a token set which will then\n * be used to intersect the indexes token set to get a list of terms\n * to lookup in the inverted index\n */\n var termTokenSet = lunr.TokenSet.fromClause(clause),\n expandedTerms = this.tokenSet.intersect(termTokenSet).toArray()\n\n /*\n * If a term marked as required does not exist in the tokenSet it is\n * impossible for the search to return any matches. We set all the field\n * scoped required matches set to empty and stop examining any further\n * clauses.\n */\n if (expandedTerms.length === 0 && clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = lunr.Set.empty\n }\n\n break\n }\n\n for (var j = 0; j < expandedTerms.length; j++) {\n /*\n * For each term get the posting and termIndex, this is required for\n * building the query vector.\n */\n var expandedTerm = expandedTerms[j],\n posting = this.invertedIndex[expandedTerm],\n termIndex = posting._index\n\n for (var k = 0; k < clause.fields.length; k++) {\n /*\n * For each field that this query term is scoped by (by default\n * all fields are in scope) we need to get all the document refs\n * that have this term in that field.\n *\n * The posting is the entry in the invertedIndex for the matching\n * term from above.\n */\n var field = clause.fields[k],\n fieldPosting = posting[field],\n matchingDocumentRefs = Object.keys(fieldPosting),\n termField = expandedTerm + \"/\" + field,\n matchingDocumentsSet = new lunr.Set(matchingDocumentRefs)\n\n /*\n * if the presence of this term is required ensure that the matching\n * documents are added to the set of required matches for this clause.\n *\n */\n if (clause.presence == lunr.Query.presence.REQUIRED) {\n clauseMatches = clauseMatches.union(matchingDocumentsSet)\n\n if (requiredMatches[field] === undefined) {\n requiredMatches[field] = lunr.Set.complete\n }\n }\n\n /*\n * if the presence of this term is prohibited ensure that the matching\n * documents are added to the set of prohibited matches for this field,\n * creating that set if it does not yet exist.\n */\n if (clause.presence == lunr.Query.presence.PROHIBITED) {\n if (prohibitedMatches[field] === undefined) {\n prohibitedMatches[field] = lunr.Set.empty\n }\n\n prohibitedMatches[field] = prohibitedMatches[field].union(matchingDocumentsSet)\n\n /*\n * Prohibited matches should not be part of the query vector used for\n * similarity scoring and no metadata should be extracted so we continue\n * to the next field\n */\n continue\n }\n\n /*\n * The query field vector is populated using the termIndex found for\n * the term and a unit value with the appropriate boost applied.\n * Using upsert because there could already be an entry in the vector\n * for the term we are working with. In that case we just add the scores\n * together.\n */\n queryVectors[field].upsert(termIndex, clause.boost, function (a, b) { return a + b })\n\n /**\n * If we've already seen this term, field combo then we've already collected\n * the matching documents and metadata, no need to go through all that again\n */\n if (termFieldCache[termField]) {\n continue\n }\n\n for (var l = 0; l < matchingDocumentRefs.length; l++) {\n /*\n * All metadata for this term/field/document triple\n * are then extracted and collected into an instance\n * of lunr.MatchData ready to be returned in the query\n * results\n */\n var matchingDocumentRef = matchingDocumentRefs[l],\n matchingFieldRef = new lunr.FieldRef (matchingDocumentRef, field),\n metadata = fieldPosting[matchingDocumentRef],\n fieldMatch\n\n if ((fieldMatch = matchingFields[matchingFieldRef]) === undefined) {\n matchingFields[matchingFieldRef] = new lunr.MatchData (expandedTerm, field, metadata)\n } else {\n fieldMatch.add(expandedTerm, field, metadata)\n }\n\n }\n\n termFieldCache[termField] = true\n }\n }\n }\n\n /**\n * If the presence was required we need to update the requiredMatches field sets.\n * We do this after all fields for the term have collected their matches because\n * the clause terms presence is required in _any_ of the fields not _all_ of the\n * fields.\n */\n if (clause.presence === lunr.Query.presence.REQUIRED) {\n for (var k = 0; k < clause.fields.length; k++) {\n var field = clause.fields[k]\n requiredMatches[field] = requiredMatches[field].intersect(clauseMatches)\n }\n }\n }\n\n /**\n * Need to combine the field scoped required and prohibited\n * matching documents into a global set of required and prohibited\n * matches\n */\n var allRequiredMatches = lunr.Set.complete,\n allProhibitedMatches = lunr.Set.empty\n\n for (var i = 0; i < this.fields.length; i++) {\n var field = this.fields[i]\n\n if (requiredMatches[field]) {\n allRequiredMatches = allRequiredMatches.intersect(requiredMatches[field])\n }\n\n if (prohibitedMatches[field]) {\n allProhibitedMatches = allProhibitedMatches.union(prohibitedMatches[field])\n }\n }\n\n var matchingFieldRefs = Object.keys(matchingFields),\n results = [],\n matches = Object.create(null)\n\n /*\n * If the query is negated (contains only prohibited terms)\n * we need to get _all_ fieldRefs currently existing in the\n * index. This is only done when we know that the query is\n * entirely prohibited terms to avoid any cost of getting all\n * fieldRefs unnecessarily.\n *\n * Additionally, blank MatchData must be created to correctly\n * populate the results.\n */\n if (query.isNegated()) {\n matchingFieldRefs = Object.keys(this.fieldVectors)\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n var matchingFieldRef = matchingFieldRefs[i]\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRef)\n matchingFields[matchingFieldRef] = new lunr.MatchData\n }\n }\n\n for (var i = 0; i < matchingFieldRefs.length; i++) {\n /*\n * Currently we have document fields that match the query, but we\n * need to return documents. The matchData and scores are combined\n * from multiple fields belonging to the same document.\n *\n * Scores are calculated by field, using the query vectors created\n * above, and combined into a final document score using addition.\n */\n var fieldRef = lunr.FieldRef.fromString(matchingFieldRefs[i]),\n docRef = fieldRef.docRef\n\n if (!allRequiredMatches.contains(docRef)) {\n continue\n }\n\n if (allProhibitedMatches.contains(docRef)) {\n continue\n }\n\n var fieldVector = this.fieldVectors[fieldRef],\n score = queryVectors[fieldRef.fieldName].similarity(fieldVector),\n docMatch\n\n if ((docMatch = matches[docRef]) !== undefined) {\n docMatch.score += score\n docMatch.matchData.combine(matchingFields[fieldRef])\n } else {\n var match = {\n ref: docRef,\n score: score,\n matchData: matchingFields[fieldRef]\n }\n matches[docRef] = match\n results.push(match)\n }\n }\n\n /*\n * Sort the results objects by score, highest first.\n */\n return results.sort(function (a, b) {\n return b.score - a.score\n })\n}\n\n/**\n * Prepares the index for JSON serialization.\n *\n * The schema for this JSON blob will be described in a\n * separate JSON schema file.\n *\n * @returns {Object}\n */\nlunr.Index.prototype.toJSON = function () {\n var invertedIndex = Object.keys(this.invertedIndex)\n .sort()\n .map(function (term) {\n return [term, this.invertedIndex[term]]\n }, this)\n\n var fieldVectors = Object.keys(this.fieldVectors)\n .map(function (ref) {\n return [ref, this.fieldVectors[ref].toJSON()]\n }, this)\n\n return {\n version: lunr.version,\n fields: this.fields,\n fieldVectors: fieldVectors,\n invertedIndex: invertedIndex,\n pipeline: this.pipeline.toJSON()\n }\n}\n\n/**\n * Loads a previously serialized lunr.Index\n *\n * @param {Object} serializedIndex - A previously serialized lunr.Index\n * @returns {lunr.Index}\n */\nlunr.Index.load = function (serializedIndex) {\n var attrs = {},\n fieldVectors = {},\n serializedVectors = serializedIndex.fieldVectors,\n invertedIndex = Object.create(null),\n serializedInvertedIndex = serializedIndex.invertedIndex,\n tokenSetBuilder = new lunr.TokenSet.Builder,\n pipeline = lunr.Pipeline.load(serializedIndex.pipeline)\n\n if (serializedIndex.version != lunr.version) {\n lunr.utils.warn(\"Version mismatch when loading serialised index. Current version of lunr '\" + lunr.version + \"' does not match serialized index '\" + serializedIndex.version + \"'\")\n }\n\n for (var i = 0; i < serializedVectors.length; i++) {\n var tuple = serializedVectors[i],\n ref = tuple[0],\n elements = tuple[1]\n\n fieldVectors[ref] = new lunr.Vector(elements)\n }\n\n for (var i = 0; i < serializedInvertedIndex.length; i++) {\n var tuple = serializedInvertedIndex[i],\n term = tuple[0],\n posting = tuple[1]\n\n tokenSetBuilder.insert(term)\n invertedIndex[term] = posting\n }\n\n tokenSetBuilder.finish()\n\n attrs.fields = serializedIndex.fields\n\n attrs.fieldVectors = fieldVectors\n attrs.invertedIndex = invertedIndex\n attrs.tokenSet = tokenSetBuilder.root\n attrs.pipeline = pipeline\n\n return new lunr.Index(attrs)\n}\n/*!\n * lunr.Builder\n * Copyright (C) 2019 Oliver Nightingale\n */\n\n/**\n * lunr.Builder performs indexing on a set of documents and\n * returns instances of lunr.Index ready for querying.\n *\n * All configuration of the index is done via the builder, the\n * fields to index, the document reference, the text processing\n * pipeline and document scoring parameters are all set on the\n * builder before indexing.\n *\n * @constructor\n * @property {string} _ref - Internal reference to the document reference field.\n * @property {string[]} _fields - Internal reference to the document fields to index.\n * @property {object} invertedIndex - The inverted index maps terms to document fields.\n * @property {object} documentTermFrequencies - Keeps track of document term frequencies.\n * @property {object} documentLengths - Keeps track of the length of documents added to the index.\n * @property {lunr.tokenizer} tokenizer - Function for splitting strings into tokens for indexing.\n * @property {lunr.Pipeline} pipeline - The pipeline performs text processing on tokens before indexing.\n * @property {lunr.Pipeline} searchPipeline - A pipeline for processing search terms before querying the index.\n * @property {number} documentCount - Keeps track of the total number of documents indexed.\n * @property {number} _b - A parameter to control field length normalization, setting this to 0 disabled normalization, 1 fully normalizes field lengths, the default value is 0.75.\n * @property {number} _k1 - A parameter to control how quickly an increase in term frequency results in term frequency saturation, the default value is 1.2.\n * @property {number} termIndex - A counter incremented for each unique term, used to identify a terms position in the vector space.\n * @property {array} metadataWhitelist - A list of metadata keys that have been whitelisted for entry in the index.\n */\nlunr.Builder = function () {\n this._ref = \"id\"\n this._fields = Object.create(null)\n this._documents = Object.create(null)\n this.invertedIndex = Object.create(null)\n this.fieldTermFrequencies = {}\n this.fieldLengths = {}\n this.tokenizer = lunr.tokenizer\n this.pipeline = new lunr.Pipeline\n this.searchPipeline = new lunr.Pipeline\n this.documentCount = 0\n this._b = 0.75\n this._k1 = 1.2\n this.termIndex = 0\n this.metadataWhitelist = []\n}\n\n/**\n * Sets the document field used as the document reference. Every document must have this field.\n * The type of this field in the document should be a string, if it is not a string it will be\n * coerced into a string by calling toString.\n *\n * The default ref is 'id'.\n *\n * The ref should _not_ be changed during indexing, it should be set before any documents are\n * added to the index. Changing it during indexing can lead to inconsistent results.\n *\n * @param {string} ref - The name of the reference field in the document.\n */\nlunr.Builder.prototype.ref = function (ref) {\n this._ref = ref\n}\n\n/**\n * A function that is used to extract a field from a document.\n *\n * Lunr expects a field to be at the top level of a document, if however the field\n * is deeply nested within a document an extractor function can be used to extract\n * the right field for indexing.\n *\n * @callback fieldExtractor\n * @param {object} doc - The document being added to the index.\n * @returns {?(string|object|object[])} obj - The object that will be indexed for this field.\n * @example Extracting a nested field\n * function (doc) { return doc.nested.field }\n */\n\n/**\n * Adds a field to the list of document fields that will be indexed. Every document being\n * indexed should have this field. Null values for this field in indexed documents will\n * not cause errors but will limit the chance of that document being retrieved by searches.\n *\n * All fields should be added before adding documents to the index. Adding fields after\n * a document has been indexed will have no effect on already indexed documents.\n *\n * Fields can be boosted at build time. This allows terms within that field to have more\n * importance when ranking search results. Use a field boost to specify that matches within\n * one field are more important than other fields.\n *\n * @param {string} fieldName - The name of a field to index in all documents.\n * @param {object} attributes - Optional attributes associated with this field.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this field.\n * @param {fieldExtractor} [attributes.extractor] - Function to extract a field from a document.\n * @throws {RangeError} fieldName cannot contain unsupported characters '/'\n */\nlunr.Builder.prototype.field = function (fieldName, attributes) {\n if (/\\//.test(fieldName)) {\n throw new RangeError (\"Field '\" + fieldName + \"' contains illegal character '/'\")\n }\n\n this._fields[fieldName] = attributes || {}\n}\n\n/**\n * A parameter to tune the amount of field length normalisation that is applied when\n * calculating relevance scores. A value of 0 will completely disable any normalisation\n * and a value of 1 will fully normalise field lengths. The default is 0.75. Values of b\n * will be clamped to the range 0 - 1.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.b = function (number) {\n if (number < 0) {\n this._b = 0\n } else if (number > 1) {\n this._b = 1\n } else {\n this._b = number\n }\n}\n\n/**\n * A parameter that controls the speed at which a rise in term frequency results in term\n * frequency saturation. The default value is 1.2. Setting this to a higher value will give\n * slower saturation levels, a lower value will result in quicker saturation.\n *\n * @param {number} number - The value to set for this tuning parameter.\n */\nlunr.Builder.prototype.k1 = function (number) {\n this._k1 = number\n}\n\n/**\n * Adds a document to the index.\n *\n * Before adding fields to the index the index should have been fully setup, with the document\n * ref and all fields to index already having been specified.\n *\n * The document must have a field name as specified by the ref (by default this is 'id') and\n * it should have all fields defined for indexing, though null or undefined values will not\n * cause errors.\n *\n * Entire documents can be boosted at build time. Applying a boost to a document indicates that\n * this document should rank higher in search results than other documents.\n *\n * @param {object} doc - The document to add to the index.\n * @param {object} attributes - Optional attributes associated with this document.\n * @param {number} [attributes.boost=1] - Boost applied to all terms within this document.\n */\nlunr.Builder.prototype.add = function (doc, attributes) {\n var docRef = doc[this._ref],\n fields = Object.keys(this._fields)\n\n this._documents[docRef] = attributes || {}\n this.documentCount += 1\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i],\n extractor = this._fields[fieldName].extractor,\n field = extractor ? extractor(doc) : doc[fieldName],\n tokens = this.tokenizer(field, {\n fields: [fieldName]\n }),\n terms = this.pipeline.run(tokens),\n fieldRef = new lunr.FieldRef (docRef, fieldName),\n fieldTerms = Object.create(null)\n\n this.fieldTermFrequencies[fieldRef] = fieldTerms\n this.fieldLengths[fieldRef] = 0\n\n // store the length of this field for this document\n this.fieldLengths[fieldRef] += terms.length\n\n // calculate term frequencies for this field\n for (var j = 0; j < terms.length; j++) {\n var term = terms[j]\n\n if (fieldTerms[term] == undefined) {\n fieldTerms[term] = 0\n }\n\n fieldTerms[term] += 1\n\n // add to inverted index\n // create an initial posting if one doesn't exist\n if (this.invertedIndex[term] == undefined) {\n var posting = Object.create(null)\n posting[\"_index\"] = this.termIndex\n this.termIndex += 1\n\n for (var k = 0; k < fields.length; k++) {\n posting[fields[k]] = Object.create(null)\n }\n\n this.invertedIndex[term] = posting\n }\n\n // add an entry for this term/fieldName/docRef to the invertedIndex\n if (this.invertedIndex[term][fieldName][docRef] == undefined) {\n this.invertedIndex[term][fieldName][docRef] = Object.create(null)\n }\n\n // store all whitelisted metadata about this token in the\n // inverted index\n for (var l = 0; l < this.metadataWhitelist.length; l++) {\n var metadataKey = this.metadataWhitelist[l],\n metadata = term.metadata[metadataKey]\n\n if (this.invertedIndex[term][fieldName][docRef][metadataKey] == undefined) {\n this.invertedIndex[term][fieldName][docRef][metadataKey] = []\n }\n\n this.invertedIndex[term][fieldName][docRef][metadataKey].push(metadata)\n }\n }\n\n }\n}\n\n/**\n * Calculates the average document length for this index\n *\n * @private\n */\nlunr.Builder.prototype.calculateAverageFieldLengths = function () {\n\n var fieldRefs = Object.keys(this.fieldLengths),\n numberOfFields = fieldRefs.length,\n accumulator = {},\n documentsWithField = {}\n\n for (var i = 0; i < numberOfFields; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n field = fieldRef.fieldName\n\n documentsWithField[field] || (documentsWithField[field] = 0)\n documentsWithField[field] += 1\n\n accumulator[field] || (accumulator[field] = 0)\n accumulator[field] += this.fieldLengths[fieldRef]\n }\n\n var fields = Object.keys(this._fields)\n\n for (var i = 0; i < fields.length; i++) {\n var fieldName = fields[i]\n accumulator[fieldName] = accumulator[fieldName] / documentsWithField[fieldName]\n }\n\n this.averageFieldLength = accumulator\n}\n\n/**\n * Builds a vector space model of every document using lunr.Vector\n *\n * @private\n */\nlunr.Builder.prototype.createFieldVectors = function () {\n var fieldVectors = {},\n fieldRefs = Object.keys(this.fieldTermFrequencies),\n fieldRefsLength = fieldRefs.length,\n termIdfCache = Object.create(null)\n\n for (var i = 0; i < fieldRefsLength; i++) {\n var fieldRef = lunr.FieldRef.fromString(fieldRefs[i]),\n fieldName = fieldRef.fieldName,\n fieldLength = this.fieldLengths[fieldRef],\n fieldVector = new lunr.Vector,\n termFrequencies = this.fieldTermFrequencies[fieldRef],\n terms = Object.keys(termFrequencies),\n termsLength = terms.length\n\n\n var fieldBoost = this._fields[fieldName].boost || 1,\n docBoost = this._documents[fieldRef.docRef].boost || 1\n\n for (var j = 0; j < termsLength; j++) {\n var term = terms[j],\n tf = termFrequencies[term],\n termIndex = this.invertedIndex[term]._index,\n idf, score, scoreWithPrecision\n\n if (termIdfCache[term] === undefined) {\n idf = lunr.idf(this.invertedIndex[term], this.documentCount)\n termIdfCache[term] = idf\n } else {\n idf = termIdfCache[term]\n }\n\n score = idf * ((this._k1 + 1) * tf) / (this._k1 * (1 - this._b + this._b * (fieldLength / this.averageFieldLength[fieldName])) + tf)\n score *= fieldBoost\n score *= docBoost\n scoreWithPrecision = Math.round(score * 1000) / 1000\n // Converts 1.23456789 to 1.234.\n // Reducing the precision so that the vectors take up less\n // space when serialised. Doing it now so that they behave\n // the same before and after serialisation. Also, this is\n // the fastest approach to reducing a number's precision in\n // JavaScript.\n\n fieldVector.insert(termIndex, scoreWithPrecision)\n }\n\n fieldVectors[fieldRef] = fieldVector\n }\n\n this.fieldVectors = fieldVectors\n}\n\n/**\n * Creates a token set of all tokens in the index using lunr.TokenSet\n *\n * @private\n */\nlunr.Builder.prototype.createTokenSet = function () {\n this.tokenSet = lunr.TokenSet.fromArray(\n Object.keys(this.invertedIndex).sort()\n )\n}\n\n/**\n * Builds the index, creating an instance of lunr.Index.\n *\n * This completes the indexing process and should only be called\n * once all documents have been added to the index.\n *\n * @returns {lunr.Index}\n */\nlunr.Builder.prototype.build = function () {\n this.calculateAverageFieldLengths()\n this.createFieldVectors()\n this.createTokenSet()\n\n return new lunr.Index({\n invertedIndex: this.invertedIndex,\n fieldVectors: this.fieldVectors,\n tokenSet: this.tokenSet,\n fields: Object.keys(this._fields),\n pipeline: this.searchPipeline\n })\n}\n\n/**\n * Applies a plugin to the index builder.\n *\n * A plugin is a function that is called with the index builder as its context.\n * Plugins can be used to customise or extend the behaviour of the index\n * in some way. A plugin is just a function, that encapsulated the custom\n * behaviour that should be applied when building the index.\n *\n * The plugin function will be called with the index builder as its argument, additional\n * arguments can also be passed when calling use. The function will be called\n * with the index builder as its context.\n *\n * @param {Function} plugin The plugin to apply.\n */\nlunr.Builder.prototype.use = function (fn) {\n var args = Array.prototype.slice.call(arguments, 1)\n args.unshift(this)\n fn.apply(this, args)\n}\n/**\n * Contains and collects metadata about a matching document.\n * A single instance of lunr.MatchData is returned as part of every\n * lunr.Index~Result.\n *\n * @constructor\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n * @property {object} metadata - A cloned collection of metadata associated with this document.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData = function (term, field, metadata) {\n var clonedMetadata = Object.create(null),\n metadataKeys = Object.keys(metadata || {})\n\n // Cloning the metadata to prevent the original\n // being mutated during match data combination.\n // Metadata is kept in an array within the inverted\n // index so cloning the data can be done with\n // Array#slice\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n clonedMetadata[key] = metadata[key].slice()\n }\n\n this.metadata = Object.create(null)\n\n if (term !== undefined) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = clonedMetadata\n }\n}\n\n/**\n * An instance of lunr.MatchData will be created for every term that matches a\n * document. However only one instance is required in a lunr.Index~Result. This\n * method combines metadata from another instance of lunr.MatchData with this\n * objects metadata.\n *\n * @param {lunr.MatchData} otherMatchData - Another instance of match data to merge with this one.\n * @see {@link lunr.Index~Result}\n */\nlunr.MatchData.prototype.combine = function (otherMatchData) {\n var terms = Object.keys(otherMatchData.metadata)\n\n for (var i = 0; i < terms.length; i++) {\n var term = terms[i],\n fields = Object.keys(otherMatchData.metadata[term])\n\n if (this.metadata[term] == undefined) {\n this.metadata[term] = Object.create(null)\n }\n\n for (var j = 0; j < fields.length; j++) {\n var field = fields[j],\n keys = Object.keys(otherMatchData.metadata[term][field])\n\n if (this.metadata[term][field] == undefined) {\n this.metadata[term][field] = Object.create(null)\n }\n\n for (var k = 0; k < keys.length; k++) {\n var key = keys[k]\n\n if (this.metadata[term][field][key] == undefined) {\n this.metadata[term][field][key] = otherMatchData.metadata[term][field][key]\n } else {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(otherMatchData.metadata[term][field][key])\n }\n\n }\n }\n }\n}\n\n/**\n * Add metadata for a term/field pair to this instance of match data.\n *\n * @param {string} term - The term this match data is associated with\n * @param {string} field - The field in which the term was found\n * @param {object} metadata - The metadata recorded about this term in this field\n */\nlunr.MatchData.prototype.add = function (term, field, metadata) {\n if (!(term in this.metadata)) {\n this.metadata[term] = Object.create(null)\n this.metadata[term][field] = metadata\n return\n }\n\n if (!(field in this.metadata[term])) {\n this.metadata[term][field] = metadata\n return\n }\n\n var metadataKeys = Object.keys(metadata)\n\n for (var i = 0; i < metadataKeys.length; i++) {\n var key = metadataKeys[i]\n\n if (key in this.metadata[term][field]) {\n this.metadata[term][field][key] = this.metadata[term][field][key].concat(metadata[key])\n } else {\n this.metadata[term][field][key] = metadata[key]\n }\n }\n}\n/**\n * A lunr.Query provides a programmatic way of defining queries to be performed\n * against a {@link lunr.Index}.\n *\n * Prefer constructing a lunr.Query using the {@link lunr.Index#query} method\n * so the query object is pre-initialized with the right index fields.\n *\n * @constructor\n * @property {lunr.Query~Clause[]} clauses - An array of query clauses.\n * @property {string[]} allFields - An array of all available fields in a lunr.Index.\n */\nlunr.Query = function (allFields) {\n this.clauses = []\n this.allFields = allFields\n}\n\n/**\n * Constants for indicating what kind of automatic wildcard insertion will be used when constructing a query clause.\n *\n * This allows wildcards to be added to the beginning and end of a term without having to manually do any string\n * concatenation.\n *\n * The wildcard constants can be bitwise combined to select both leading and trailing wildcards.\n *\n * @constant\n * @default\n * @property {number} wildcard.NONE - The term will have no wildcards inserted, this is the default behaviour\n * @property {number} wildcard.LEADING - Prepend the term with a wildcard, unless a leading wildcard already exists\n * @property {number} wildcard.TRAILING - Append a wildcard to the term, unless a trailing wildcard already exists\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with trailing wildcard\n * query.term('foo', { wildcard: lunr.Query.wildcard.TRAILING })\n * @example query term with leading and trailing wildcard\n * query.term('foo', {\n * wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING\n * })\n */\n\nlunr.Query.wildcard = new String (\"*\")\nlunr.Query.wildcard.NONE = 0\nlunr.Query.wildcard.LEADING = 1\nlunr.Query.wildcard.TRAILING = 2\n\n/**\n * Constants for indicating what kind of presence a term must have in matching documents.\n *\n * @constant\n * @enum {number}\n * @see lunr.Query~Clause\n * @see lunr.Query#clause\n * @see lunr.Query#term\n * @example query term with required presence\n * query.term('foo', { presence: lunr.Query.presence.REQUIRED })\n */\nlunr.Query.presence = {\n /**\n * Term's presence in a document is optional, this is the default value.\n */\n OPTIONAL: 1,\n\n /**\n * Term's presence in a document is required, documents that do not contain\n * this term will not be returned.\n */\n REQUIRED: 2,\n\n /**\n * Term's presence in a document is prohibited, documents that do contain\n * this term will not be returned.\n */\n PROHIBITED: 3\n}\n\n/**\n * A single clause in a {@link lunr.Query} contains a term and details on how to\n * match that term against a {@link lunr.Index}.\n *\n * @typedef {Object} lunr.Query~Clause\n * @property {string[]} fields - The fields in an index this clause should be matched against.\n * @property {number} [boost=1] - Any boost that should be applied when matching this clause.\n * @property {number} [editDistance] - Whether the term should have fuzzy matching applied, and how fuzzy the match should be.\n * @property {boolean} [usePipeline] - Whether the term should be passed through the search pipeline.\n * @property {number} [wildcard=lunr.Query.wildcard.NONE] - Whether the term should have wildcards appended or prepended.\n * @property {number} [presence=lunr.Query.presence.OPTIONAL] - The terms presence in any matching documents.\n */\n\n/**\n * Adds a {@link lunr.Query~Clause} to this query.\n *\n * Unless the clause contains the fields to be matched all fields will be matched. In addition\n * a default boost of 1 is applied to the clause.\n *\n * @param {lunr.Query~Clause} clause - The clause to add to this query.\n * @see lunr.Query~Clause\n * @returns {lunr.Query}\n */\nlunr.Query.prototype.clause = function (clause) {\n if (!('fields' in clause)) {\n clause.fields = this.allFields\n }\n\n if (!('boost' in clause)) {\n clause.boost = 1\n }\n\n if (!('usePipeline' in clause)) {\n clause.usePipeline = true\n }\n\n if (!('wildcard' in clause)) {\n clause.wildcard = lunr.Query.wildcard.NONE\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.LEADING) && (clause.term.charAt(0) != lunr.Query.wildcard)) {\n clause.term = \"*\" + clause.term\n }\n\n if ((clause.wildcard & lunr.Query.wildcard.TRAILING) && (clause.term.slice(-1) != lunr.Query.wildcard)) {\n clause.term = \"\" + clause.term + \"*\"\n }\n\n if (!('presence' in clause)) {\n clause.presence = lunr.Query.presence.OPTIONAL\n }\n\n this.clauses.push(clause)\n\n return this\n}\n\n/**\n * A negated query is one in which every clause has a presence of\n * prohibited. These queries require some special processing to return\n * the expected results.\n *\n * @returns boolean\n */\nlunr.Query.prototype.isNegated = function () {\n for (var i = 0; i < this.clauses.length; i++) {\n if (this.clauses[i].presence != lunr.Query.presence.PROHIBITED) {\n return false\n }\n }\n\n return true\n}\n\n/**\n * Adds a term to the current query, under the covers this will create a {@link lunr.Query~Clause}\n * to the list of clauses that make up this query.\n *\n * The term is used as is, i.e. no tokenization will be performed by this method. Instead conversion\n * to a token or token-like string should be done before calling this method.\n *\n * The term will be converted to a string by calling `toString`. Multiple terms can be passed as an\n * array, each term in the array will share the same options.\n *\n * @param {object|object[]} term - The term(s) to add to the query.\n * @param {object} [options] - Any additional properties to add to the query clause.\n * @returns {lunr.Query}\n * @see lunr.Query#clause\n * @see lunr.Query~Clause\n * @example adding a single term to a query\n * query.term(\"foo\")\n * @example adding a single term to a query and specifying search fields, term boost and automatic trailing wildcard\n * query.term(\"foo\", {\n * fields: [\"title\"],\n * boost: 10,\n * wildcard: lunr.Query.wildcard.TRAILING\n * })\n * @example using lunr.tokenizer to convert a string to tokens before using them as terms\n * query.term(lunr.tokenizer(\"foo bar\"))\n */\nlunr.Query.prototype.term = function (term, options) {\n if (Array.isArray(term)) {\n term.forEach(function (t) { this.term(t, lunr.utils.clone(options)) }, this)\n return this\n }\n\n var clause = options || {}\n clause.term = term.toString()\n\n this.clause(clause)\n\n return this\n}\nlunr.QueryParseError = function (message, start, end) {\n this.name = \"QueryParseError\"\n this.message = message\n this.start = start\n this.end = end\n}\n\nlunr.QueryParseError.prototype = new Error\nlunr.QueryLexer = function (str) {\n this.lexemes = []\n this.str = str\n this.length = str.length\n this.pos = 0\n this.start = 0\n this.escapeCharPositions = []\n}\n\nlunr.QueryLexer.prototype.run = function () {\n var state = lunr.QueryLexer.lexText\n\n while (state) {\n state = state(this)\n }\n}\n\nlunr.QueryLexer.prototype.sliceString = function () {\n var subSlices = [],\n sliceStart = this.start,\n sliceEnd = this.pos\n\n for (var i = 0; i < this.escapeCharPositions.length; i++) {\n sliceEnd = this.escapeCharPositions[i]\n subSlices.push(this.str.slice(sliceStart, sliceEnd))\n sliceStart = sliceEnd + 1\n }\n\n subSlices.push(this.str.slice(sliceStart, this.pos))\n this.escapeCharPositions.length = 0\n\n return subSlices.join('')\n}\n\nlunr.QueryLexer.prototype.emit = function (type) {\n this.lexemes.push({\n type: type,\n str: this.sliceString(),\n start: this.start,\n end: this.pos\n })\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.escapeCharacter = function () {\n this.escapeCharPositions.push(this.pos - 1)\n this.pos += 1\n}\n\nlunr.QueryLexer.prototype.next = function () {\n if (this.pos >= this.length) {\n return lunr.QueryLexer.EOS\n }\n\n var char = this.str.charAt(this.pos)\n this.pos += 1\n return char\n}\n\nlunr.QueryLexer.prototype.width = function () {\n return this.pos - this.start\n}\n\nlunr.QueryLexer.prototype.ignore = function () {\n if (this.start == this.pos) {\n this.pos += 1\n }\n\n this.start = this.pos\n}\n\nlunr.QueryLexer.prototype.backup = function () {\n this.pos -= 1\n}\n\nlunr.QueryLexer.prototype.acceptDigitRun = function () {\n var char, charCode\n\n do {\n char = this.next()\n charCode = char.charCodeAt(0)\n } while (charCode > 47 && charCode < 58)\n\n if (char != lunr.QueryLexer.EOS) {\n this.backup()\n }\n}\n\nlunr.QueryLexer.prototype.more = function () {\n return this.pos < this.length\n}\n\nlunr.QueryLexer.EOS = 'EOS'\nlunr.QueryLexer.FIELD = 'FIELD'\nlunr.QueryLexer.TERM = 'TERM'\nlunr.QueryLexer.EDIT_DISTANCE = 'EDIT_DISTANCE'\nlunr.QueryLexer.BOOST = 'BOOST'\nlunr.QueryLexer.PRESENCE = 'PRESENCE'\n\nlunr.QueryLexer.lexField = function (lexer) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.FIELD)\n lexer.ignore()\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexTerm = function (lexer) {\n if (lexer.width() > 1) {\n lexer.backup()\n lexer.emit(lunr.QueryLexer.TERM)\n }\n\n lexer.ignore()\n\n if (lexer.more()) {\n return lunr.QueryLexer.lexText\n }\n}\n\nlunr.QueryLexer.lexEditDistance = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.EDIT_DISTANCE)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexBoost = function (lexer) {\n lexer.ignore()\n lexer.acceptDigitRun()\n lexer.emit(lunr.QueryLexer.BOOST)\n return lunr.QueryLexer.lexText\n}\n\nlunr.QueryLexer.lexEOS = function (lexer) {\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n}\n\n// This matches the separator used when tokenising fields\n// within a document. These should match otherwise it is\n// not possible to search for some tokens within a document.\n//\n// It is possible for the user to change the separator on the\n// tokenizer so it _might_ clash with any other of the special\n// characters already used within the search string, e.g. :.\n//\n// This means that it is possible to change the separator in\n// such a way that makes some words unsearchable using a search\n// string.\nlunr.QueryLexer.termSeparator = lunr.tokenizer.separator\n\nlunr.QueryLexer.lexText = function (lexer) {\n while (true) {\n var char = lexer.next()\n\n if (char == lunr.QueryLexer.EOS) {\n return lunr.QueryLexer.lexEOS\n }\n\n // Escape character is '\\'\n if (char.charCodeAt(0) == 92) {\n lexer.escapeCharacter()\n continue\n }\n\n if (char == \":\") {\n return lunr.QueryLexer.lexField\n }\n\n if (char == \"~\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexEditDistance\n }\n\n if (char == \"^\") {\n lexer.backup()\n if (lexer.width() > 0) {\n lexer.emit(lunr.QueryLexer.TERM)\n }\n return lunr.QueryLexer.lexBoost\n }\n\n // \"+\" indicates term presence is required\n // checking for length to ensure that only\n // leading \"+\" are considered\n if (char == \"+\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n // \"-\" indicates term presence is prohibited\n // checking for length to ensure that only\n // leading \"-\" are considered\n if (char == \"-\" && lexer.width() === 1) {\n lexer.emit(lunr.QueryLexer.PRESENCE)\n return lunr.QueryLexer.lexText\n }\n\n if (char.match(lunr.QueryLexer.termSeparator)) {\n return lunr.QueryLexer.lexTerm\n }\n }\n}\n\nlunr.QueryParser = function (str, query) {\n this.lexer = new lunr.QueryLexer (str)\n this.query = query\n this.currentClause = {}\n this.lexemeIdx = 0\n}\n\nlunr.QueryParser.prototype.parse = function () {\n this.lexer.run()\n this.lexemes = this.lexer.lexemes\n\n var state = lunr.QueryParser.parseClause\n\n while (state) {\n state = state(this)\n }\n\n return this.query\n}\n\nlunr.QueryParser.prototype.peekLexeme = function () {\n return this.lexemes[this.lexemeIdx]\n}\n\nlunr.QueryParser.prototype.consumeLexeme = function () {\n var lexeme = this.peekLexeme()\n this.lexemeIdx += 1\n return lexeme\n}\n\nlunr.QueryParser.prototype.nextClause = function () {\n var completedClause = this.currentClause\n this.query.clause(completedClause)\n this.currentClause = {}\n}\n\nlunr.QueryParser.parseClause = function (parser) {\n var lexeme = parser.peekLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.type) {\n case lunr.QueryLexer.PRESENCE:\n return lunr.QueryParser.parsePresence\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expected either a field or a term, found \" + lexeme.type\n\n if (lexeme.str.length >= 1) {\n errorMessage += \" with value '\" + lexeme.str + \"'\"\n }\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n}\n\nlunr.QueryParser.parsePresence = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n switch (lexeme.str) {\n case \"-\":\n parser.currentClause.presence = lunr.Query.presence.PROHIBITED\n break\n case \"+\":\n parser.currentClause.presence = lunr.Query.presence.REQUIRED\n break\n default:\n var errorMessage = \"unrecognised presence operator'\" + lexeme.str + \"'\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term or field, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.FIELD:\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term or field, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseField = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n if (parser.query.allFields.indexOf(lexeme.str) == -1) {\n var possibleFields = parser.query.allFields.map(function (f) { return \"'\" + f + \"'\" }).join(', '),\n errorMessage = \"unrecognised field '\" + lexeme.str + \"', possible fields: \" + possibleFields\n\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.fields = [lexeme.str]\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n var errorMessage = \"expecting term, found nothing\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n return lunr.QueryParser.parseTerm\n default:\n var errorMessage = \"expecting term, found '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseTerm = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n parser.currentClause.term = lexeme.str.toLowerCase()\n\n if (lexeme.str.indexOf(\"*\") != -1) {\n parser.currentClause.usePipeline = false\n }\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseEditDistance = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var editDistance = parseInt(lexeme.str, 10)\n\n if (isNaN(editDistance)) {\n var errorMessage = \"edit distance must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.editDistance = editDistance\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\nlunr.QueryParser.parseBoost = function (parser) {\n var lexeme = parser.consumeLexeme()\n\n if (lexeme == undefined) {\n return\n }\n\n var boost = parseInt(lexeme.str, 10)\n\n if (isNaN(boost)) {\n var errorMessage = \"boost must be numeric\"\n throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)\n }\n\n parser.currentClause.boost = boost\n\n var nextLexeme = parser.peekLexeme()\n\n if (nextLexeme == undefined) {\n parser.nextClause()\n return\n }\n\n switch (nextLexeme.type) {\n case lunr.QueryLexer.TERM:\n parser.nextClause()\n return lunr.QueryParser.parseTerm\n case lunr.QueryLexer.FIELD:\n parser.nextClause()\n return lunr.QueryParser.parseField\n case lunr.QueryLexer.EDIT_DISTANCE:\n return lunr.QueryParser.parseEditDistance\n case lunr.QueryLexer.BOOST:\n return lunr.QueryParser.parseBoost\n case lunr.QueryLexer.PRESENCE:\n parser.nextClause()\n return lunr.QueryParser.parsePresence\n default:\n var errorMessage = \"Unexpected lexeme type '\" + nextLexeme.type + \"'\"\n throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)\n }\n}\n\n /**\n * export the module via AMD, CommonJS or as a browser global\n * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js\n */\n ;(function (root, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(factory)\n } else if (typeof exports === 'object') {\n /**\n * Node. Does not work with strict CommonJS, but\n * only CommonJS-like enviroments that support module.exports,\n * like Node.\n */\n module.exports = factory()\n } else {\n // Browser globals (root is window)\n root.lunr = factory()\n }\n }(this, function () {\n /**\n * Just return a value to define the module export.\n * This example returns an object, but the module\n * can return a function as the exported value.\n */\n return lunr\n }))\n})();\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, privateMap) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to get private field on non-instance\");\r\n }\r\n return privateMap.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, privateMap, value) {\r\n if (!privateMap.has(receiver)) {\r\n throw new TypeError(\"attempted to set private field on non-instance\");\r\n }\r\n privateMap.set(receiver, value);\r\n return value;\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport {\r\n ArticleDocument,\r\n SearchDocumentMap,\r\n SectionDocument,\r\n setupSearchDocumentMap\r\n} from \"../document\"\r\nimport {\r\n SearchHighlightFactoryFn,\r\n setupSearchHighlighter\r\n} from \"../highlighter\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index configuration\r\n */\r\nexport interface SearchIndexConfig {\r\n lang: string[] /* Search languages */\r\n separator: string /* Search separator */\r\n}\r\n\r\n/**\r\n * Search index document\r\n */\r\nexport interface SearchIndexDocument {\r\n location: string /* Document location */\r\n title: string /* Document title */\r\n text: string /* Document text */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index pipeline function\r\n */\r\nexport type SearchIndexPipelineFn =\r\n | \"stemmer\" /* Stemmer */\r\n | \"stopWordFilter\" /* Stop word filter */\r\n | \"trimmer\" /* Trimmer */\r\n\r\n/**\r\n * Search index pipeline\r\n */\r\nexport type SearchIndexPipeline = SearchIndexPipelineFn[]\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search index\r\n *\r\n * This interfaces describes the format of the `search_index.json` file which\r\n * is automatically built by the MkDocs search plugin.\r\n */\r\nexport interface SearchIndex {\r\n config: SearchIndexConfig /* Search index configuration */\r\n docs: SearchIndexDocument[] /* Search index documents */\r\n index?: object | string /* Prebuilt or serialized index */\r\n pipeline?: SearchIndexPipeline /* Search index pipeline */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search result\r\n */\r\nexport interface SearchResult {\r\n article: ArticleDocument /* Article document */\r\n sections: SectionDocument[] /* Section documents */\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Class\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search\r\n *\r\n * Note that `lunr` is injected via Webpack, as it will otherwise also be\r\n * bundled in the application bundle.\r\n */\r\nexport class Search {\r\n\r\n /**\r\n * Search document mapping\r\n *\r\n * A mapping of URLs (including hash fragments) to the actual articles and\r\n * sections of the documentation. The search document mapping must be created\r\n * regardless of whether the index was prebuilt or not, as `lunr` itself will\r\n * only store the actual index.\r\n */\r\n protected documents: SearchDocumentMap\r\n\r\n /**\r\n * Search highlight factory function\r\n */\r\n protected highlight: SearchHighlightFactoryFn\r\n\r\n /**\r\n * The `lunr` search index\r\n */\r\n protected index: lunr.Index\r\n\r\n /**\r\n * Create the search integration\r\n *\r\n * @param data - Search index\r\n */\r\n public constructor({ config, docs, pipeline, index }: SearchIndex) {\r\n this.documents = setupSearchDocumentMap(docs)\r\n this.highlight = setupSearchHighlighter(config)\r\n\r\n /* If no index was given, create it */\r\n if (typeof index === \"undefined\") {\r\n this.index = lunr(function() {\r\n pipeline = pipeline || [\"trimmer\", \"stopWordFilter\"]\r\n\r\n /* Set up pipeline according to configuration */\r\n this.pipeline.reset()\r\n for (const fn of pipeline)\r\n this.pipeline.add(lunr[fn])\r\n\r\n /* Set up alternate search languages */\r\n if (config.lang.length === 1 && config.lang[0] !== \"en\") {\r\n this.use((lunr as any)[config.lang[0]])\r\n } else if (config.lang.length > 1) {\r\n this.use((lunr as any).multiLanguage(...config.lang))\r\n }\r\n\r\n /* Set up fields and reference */\r\n this.field(\"title\", { boost: 1000 })\r\n this.field(\"text\")\r\n this.ref(\"location\")\r\n\r\n /* Index documents */\r\n for (const doc of docs)\r\n this.add(doc)\r\n })\r\n\r\n /* Prebuilt or serialized index */\r\n } else {\r\n this.index = lunr.Index.load(\r\n typeof index === \"string\"\r\n ? JSON.parse(index)\r\n : index\r\n )\r\n }\r\n }\r\n\r\n /**\r\n * Search for matching documents\r\n *\r\n * The search index which MkDocs provides is divided up into articles, which\r\n * contain the whole content of the individual pages, and sections, which only\r\n * contain the contents of the subsections obtained by breaking the individual\r\n * pages up at `h1` ... `h6`. As there may be many sections on different pages\r\n * with indentical titles (for example within this very project, e.g. \"Usage\"\r\n * or \"Installation\"), they need to be put into the context of the containing\r\n * page. For this reason, section results are grouped within their respective\r\n * articles which are the top-level results that are returned.\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Search results\r\n */\r\n public query(value: string): SearchResult[] {\r\n if (value) {\r\n try {\r\n\r\n /* Group sections by containing article */\r\n const groups = this.index.search(value)\r\n .reduce((results, result) => {\r\n const document = this.documents.get(result.ref)\r\n if (typeof document !== \"undefined\") {\r\n if (\"parent\" in document) {\r\n const ref = document.parent.location\r\n results.set(ref, [...results.get(ref) || [], result])\r\n } else {\r\n const ref = document.location\r\n results.set(ref, results.get(ref) || [])\r\n }\r\n }\r\n return results\r\n }, new Map())\r\n\r\n /* Create highlighter for query */\r\n const fn = this.highlight(value)\r\n\r\n /* Map groups to search documents */\r\n return [...groups].map(([ref, sections]) => ({\r\n article: fn(this.documents.get(ref) as ArticleDocument),\r\n sections: sections.map(section => {\r\n return fn(this.documents.get(section.ref) as SectionDocument)\r\n })\r\n }))\r\n\r\n /* Log errors to console (for now) */\r\n } catch (err) {\r\n // tslint:disable-next-line no-console\r\n console.warn(`Invalid query: ${value} – see https://bit.ly/2s3ChXG`)\r\n }\r\n }\r\n\r\n /* Return nothing in case of error or empty query */\r\n return []\r\n }\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchIndex, SearchResult } from \"../../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search message type\r\n */\r\nexport const enum SearchMessageType {\r\n SETUP, /* Search index setup */\r\n READY, /* Search index ready */\r\n QUERY, /* Search query */\r\n RESULT /* Search results */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A message containing the data necessary to setup the search index\r\n */\r\nexport interface SearchSetupMessage {\r\n type: SearchMessageType.SETUP /* Message type */\r\n data: SearchIndex /* Message data */\r\n}\r\n\r\n/**\r\n * A message indicating the search index is ready\r\n */\r\nexport interface SearchReadyMessage {\r\n type: SearchMessageType.READY /* Message type */\r\n}\r\n\r\n/**\r\n * A message containing a search query\r\n */\r\nexport interface SearchQueryMessage {\r\n type: SearchMessageType.QUERY /* Message type */\r\n data: string /* Message data */\r\n}\r\n\r\n/**\r\n * A message containing results for a search query\r\n */\r\nexport interface SearchResultMessage {\r\n type: SearchMessageType.RESULT /* Message type */\r\n data: SearchResult[] /* Message data */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A message exchanged with the search worker\r\n */\r\nexport type SearchMessage =\r\n | SearchSetupMessage\r\n | SearchReadyMessage\r\n | SearchQueryMessage\r\n | SearchResultMessage\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Type guard for search setup messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchSetupMessage(\r\n message: SearchMessage\r\n): message is SearchSetupMessage {\r\n return message.type === SearchMessageType.SETUP\r\n}\r\n\r\n/**\r\n * Type guard for search ready messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchReadyMessage(\r\n message: SearchMessage\r\n): message is SearchReadyMessage {\r\n return message.type === SearchMessageType.READY\r\n}\r\n\r\n/**\r\n * Type guard for search query messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchQueryMessage(\r\n message: SearchMessage\r\n): message is SearchQueryMessage {\r\n return message.type === SearchMessageType.QUERY\r\n}\r\n\r\n/**\r\n * Type guard for search result messages\r\n *\r\n * @param message - Search worker message\r\n *\r\n * @return Test result\r\n */\r\nexport function isSearchResultMessage(\r\n message: SearchMessage\r\n): message is SearchResultMessage {\r\n return message.type === SearchMessageType.RESULT\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A RTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport \"expose-loader?lunr!lunr\"\r\n\r\nimport { Search, SearchIndexConfig } from \"../../_\"\r\nimport { SearchMessage, SearchMessageType } from \"../message\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Data\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search\r\n */\r\nlet search: Search\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Helper functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Set up multi-language support through `lunr-languages`\r\n *\r\n * This function will automatically import the stemmers necessary to process\r\n * the languages which were given through the search index configuration.\r\n *\r\n * @param config - Search index configuration\r\n */\r\nfunction setupLunrLanguages(config: SearchIndexConfig): void {\r\n const base = \"../lunr\"\r\n\r\n /* Add scripts for languages */\r\n const scripts = []\r\n for (const lang of config.lang) {\r\n if (lang === \"ja\") scripts.push(`${base}/tinyseg.min.js`)\r\n if (lang !== \"en\") scripts.push(`${base}/min/lunr.${lang}.min.js`)\r\n }\r\n\r\n /* Add multi-language support */\r\n if (config.lang.length > 1)\r\n scripts.push(`${base}/min/lunr.multi.min.js`)\r\n\r\n /* Load scripts synchronously */\r\n if (scripts.length)\r\n importScripts(\r\n `${base}/min/lunr.stemmer.support.min.js`,\r\n ...scripts\r\n )\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Message handler\r\n *\r\n * @param message - Source message\r\n *\r\n * @return Target message\r\n */\r\nexport function handler(message: SearchMessage): SearchMessage {\r\n switch (message.type) {\r\n\r\n /* Search setup message */\r\n case SearchMessageType.SETUP:\r\n setupLunrLanguages(message.data.config)\r\n search = new Search(message.data)\r\n return {\r\n type: SearchMessageType.READY\r\n }\r\n\r\n /* Search query message */\r\n case SearchMessageType.QUERY:\r\n return {\r\n type: SearchMessageType.RESULT,\r\n data: search ? search.query(message.data) : []\r\n }\r\n\r\n /* All other messages */\r\n default:\r\n throw new TypeError(\"Invalid message type\")\r\n }\r\n}\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Worker\r\n * ------------------------------------------------------------------------- */\r\n\r\naddEventListener(\"message\", ev => {\r\n postMessage(handler(ev.data))\r\n})\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport * as escapeHTML from \"escape-html\"\r\n\r\nimport { SearchIndexDocument } from \"../_\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * A top-level article\r\n */\r\nexport interface ArticleDocument extends SearchIndexDocument {\r\n linked: boolean /* Whether the section was linked */\r\n}\r\n\r\n/**\r\n * A section of an article\r\n */\r\nexport interface SectionDocument extends SearchIndexDocument {\r\n parent: ArticleDocument /* Parent article */\r\n}\r\n\r\n/* ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search document\r\n */\r\nexport type SearchDocument =\r\n | ArticleDocument\r\n | SectionDocument\r\n\r\n/**\r\n * Search document mapping\r\n */\r\nexport type SearchDocumentMap = Map\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create a search document mapping\r\n *\r\n * @param docs - Search index documents\r\n *\r\n * @return Search document map\r\n */\r\nexport function setupSearchDocumentMap(\r\n docs: SearchIndexDocument[]\r\n): SearchDocumentMap {\r\n const documents = new Map()\r\n for (const doc of docs) {\r\n const [path, hash] = doc.location.split(\"#\")\r\n\r\n /* Extract location and title */\r\n const location = doc.location\r\n const title = doc.title\r\n\r\n /* Escape and cleanup text */\r\n const text = escapeHTML(doc.text)\r\n .replace(/\\s+(?=[,.:;!?])/g, \"\")\r\n .replace(/\\s+/g, \" \")\r\n\r\n /* Handle section */\r\n if (hash) {\r\n const parent = documents.get(path) as ArticleDocument\r\n\r\n /* Ignore first section, override article */\r\n if (!parent.linked) {\r\n parent.title = doc.title\r\n parent.text = text\r\n parent.linked = true\r\n\r\n /* Add subsequent section */\r\n } else {\r\n documents.set(location, {\r\n location,\r\n title,\r\n text,\r\n parent\r\n })\r\n }\r\n\r\n /* Add article */\r\n } else {\r\n documents.set(location, {\r\n location,\r\n title,\r\n text,\r\n linked: false\r\n })\r\n }\r\n }\r\n return documents\r\n}\r\n","/*\r\n * Copyright (c) 2016-2020 Martin Donath \r\n *\r\n * Permission is hereby granted, free of charge, to any person obtaining a copy\r\n * of this software and associated documentation files (the \"Software\"), to\r\n * deal in the Software without restriction, including without limitation the\r\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\r\n * sell copies of the Software, and to permit persons to whom the Software is\r\n * furnished to do so, subject to the following conditions:\r\n *\r\n * The above copyright notice and this permission notice shall be included in\r\n * all copies or substantial portions of the Software.\r\n *\r\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\r\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\r\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\r\n * IN THE SOFTWARE.\r\n */\r\n\r\nimport { SearchIndexConfig } from \"../_\"\r\nimport { SearchDocument } from \"../document\"\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Types\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Search highlight function\r\n *\r\n * @template T - Search document type\r\n *\r\n * @param document - Search document\r\n *\r\n * @return Highlighted document\r\n */\r\nexport type SearchHighlightFn = <\r\n T extends SearchDocument\r\n>(document: Readonly) => T\r\n\r\n/**\r\n * Search highlight factory function\r\n *\r\n * @param value - Query value\r\n *\r\n * @return Search highlight function\r\n */\r\nexport type SearchHighlightFactoryFn = (value: string) => SearchHighlightFn\r\n\r\n/* ----------------------------------------------------------------------------\r\n * Functions\r\n * ------------------------------------------------------------------------- */\r\n\r\n/**\r\n * Create a search highlighter\r\n *\r\n * @param config - Search index configuration\r\n *\r\n * @return Search highlight factory function\r\n */\r\nexport function setupSearchHighlighter(\r\n config: SearchIndexConfig\r\n): SearchHighlightFactoryFn {\r\n const separator = new RegExp(config.separator, \"img\")\r\n const highlight = (_: unknown, data: string, term: string) => {\r\n return `${data}${term}`\r\n }\r\n\r\n /* Return factory function */\r\n return (value: string) => {\r\n value = value\r\n .replace(/[\\s*+-:~^]+/g, \" \")\r\n .trim()\r\n\r\n /* Create search term match expression */\r\n const match = new RegExp(`(^|${config.separator})(${\r\n value\r\n .replace(/[|\\\\{}()[\\]^$+*?.-]/g, \"\\\\$&\")\r\n .replace(separator, \"|\")\r\n })`, \"img\")\r\n\r\n /* Highlight document */\r\n return document => ({\r\n ...document,\r\n title: document.title.replace(match, highlight),\r\n text: document.text.replace(match, highlight)\r\n })\r\n }\r\n}\r\n"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/manifest.json b/material/assets/manifest.json index 2a131b336..74e1e2556 100644 --- a/material/assets/manifest.json +++ b/material/assets/manifest.json @@ -1,10 +1,10 @@ { - "assets/javascripts/bundle.js": "assets/javascripts/bundle.d28521c5.min.js", - "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.d28521c5.min.js.map", - "assets/javascripts/vendor.js": "assets/javascripts/vendor.5b460a48.min.js", - "assets/javascripts/vendor.js.map": "assets/javascripts/vendor.5b460a48.min.js.map", + "assets/javascripts/bundle.js": "assets/javascripts/bundle.0e29fb74.min.js", + "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.0e29fb74.min.js.map", + "assets/javascripts/vendor.js": "assets/javascripts/vendor.f45d2d8d.min.js", + "assets/javascripts/vendor.js.map": "assets/javascripts/vendor.f45d2d8d.min.js.map", "assets/javascripts/worker/search.js": "assets/javascripts/worker/search.7f7c8775.min.js", "assets/javascripts/worker/search.js.map": "assets/javascripts/worker/search.7f7c8775.min.js.map", - "assets/stylesheets/main.css": "assets/stylesheets/main.c3000690.min.css", + "assets/stylesheets/main.css": "assets/stylesheets/main.14de1027.min.css", "assets/stylesheets/palette.css": "assets/stylesheets/palette.4444686e.min.css" } \ No newline at end of file diff --git a/material/assets/stylesheets/main.c3000690.min.css b/material/assets/stylesheets/main.14de1027.min.css similarity index 72% rename from material/assets/stylesheets/main.c3000690.min.css rename to material/assets/stylesheets/main.14de1027.min.css index 2f5971a1a..4ace042f2 100644 --- a/material/assets/stylesheets/main.c3000690.min.css +++ b/material/assets/stylesheets/main.14de1027.min.css @@ -1 +1 @@ -html{box-sizing:border-box}*,*::before,*::after{box-sizing:inherit}html{-webkit-text-size-adjust:none;-moz-text-size-adjust:none;-ms-text-size-adjust:none;text-size-adjust:none}body{margin:0}hr{box-sizing:content-box;overflow:visible}a,button,label,input{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}small{font-size:80%}sub,sup{position:relative;font-size:80%;line-height:0;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}img{border-style:none}table{border-collapse:separate;border-spacing:0}td,th{font-weight:normal;vertical-align:top}button{margin:0;padding:0;font-size:inherit;background:transparent;border:0}input{border:0;outline:0}:root{--md-default-fg-color: hsla(0, 0%, 0%, 0.87);--md-default-fg-color--light: hsla(0, 0%, 0%, 0.54);--md-default-fg-color--lighter: hsla(0, 0%, 0%, 0.26);--md-default-fg-color--lightest: hsla(0, 0%, 0%, 0.07);--md-default-bg-color: hsla(0, 0%, 100%, 1);--md-default-bg-color--light: hsla(0, 0%, 100%, 0.7);--md-default-bg-color--lighter: hsla(0, 0%, 100%, 0.3);--md-default-bg-color--lightest: hsla(0, 0%, 100%, 0.12);--md-primary-fg-color: hsla(231deg, 48%, 48%, 1);--md-primary-fg-color--light: hsla(230deg, 44%, 64%, 1);--md-primary-fg-color--dark: hsla(232deg, 54%, 41%, 1);--md-primary-bg-color: var(--md-default-bg-color);--md-primary-bg-color--light: var(--md-default-bg-color--light);--md-accent-fg-color: hsla(231deg, 99%, 66%, 1);--md-accent-fg-color--transparent: hsla(231deg, 99%, 66%, 0.1);--md-accent-bg-color: var(--md-default-bg-color);--md-accent-bg-color--light: var(--md-default-bg-color--light);--md-code-bg-color: hsla(0, 0%, 96%, 1);--md-code-fg-color: hsla(200, 18%, 26%, 1)}.md-icon svg{display:block;width:1.2rem;height:1.2rem;margin:0 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45em){.md-footer-nav__link{width:50%}.md-footer-copyright{width:auto}.md-footer-social{padding:.6rem 0}}@media screen and (max-width: 29.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{transform:scale(45)}}@media screen and (min-width: 30em)and (max-width: 44.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{transform:scale(60)}}@media screen and (min-width: 45em)and (max-width: 59.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{transform:scale(75)}}@media screen and (min-width: 60em)and (max-width: 76.1875em){[data-md-toggle=search]:checked~.md-header .md-search__inner{width:23.4rem}.md-search__scrollwrap{width:23.4rem}.md-search-result__teaser{max-height:2.5rem;-webkit-line-clamp:3}}@media(-webkit-max-device-pixel-ratio: 1), (max-resolution: 1dppx){.md-search__scrollwrap{transform:translateZ(0)}} \ No newline at end of file diff --git a/material/base.html b/material/base.html index 4421c55ca..71165e717 100644 --- a/material/base.html +++ b/material/base.html @@ -41,7 +41,7 @@ {% endif %} {% endblock %} {% block styles %} - + {% if palette.primary or palette.accent %} {% endif %} @@ -178,8 +178,8 @@ {% endblock %} {% block scripts %} - - + + {%- set translations = {} -%} {%- for key in [ "clipboard.copy", diff --git a/material/emoji.py b/material/emoji.py new file mode 100644 index 000000000..bbe8bcb02 --- /dev/null +++ b/material/emoji.py @@ -0,0 +1,67 @@ +""" +Emoji extras for Material. + +Override the Twemoji Index with an extended version that includes short names for Material icons, Fontawesome, etc. +""" +import os +import glob +import copy +from pymdownx import twemoji_db +from pymdownx.emoji import TWEMOJI_SVG_CDN, add_attriubtes +import codecs +import xml.etree.ElementTree as etree + +RESOURCES = os.path.dirname(os.path.abspath(__file__)) + + +def material(): + """Provide a copied Twemoji index with additional codes for Material included icons.""" + + # Copy the Twemoji index + index = { + "name": 'twemoji', + "emoji": copy.deepcopy(twemoji_db.emoji), + "aliases": copy.deepcopy(twemoji_db.aliases) + } + + # Find our icons + icon_path = os.path.join(RESOURCES, '.icons') + norm_base = icon_path.replace('\\', '/') + '/' + for result in glob.glob(icon_path.replace('\\', '/') + '/**/*.svg', recursive=True): + name = ':{}:'.format(result.replace('\\', '/').replace(norm_base, '', 1).replace('/', '-').lstrip('.')[:-4]) + if name not in index['emoji'] and name not in index['aliases']: + # Easiest to just store the path and pull it out from the index + index["emoji"][name] = {'name': name, 'path': result} + + return index + + +def to_svg(index, shortname, alias, uc, alt, title, category, options, md): + """Return SVG element.""" + + is_unicode = uc is not None + + if is_unicode: + svg_path = TWEMOJI_SVG_CDN + + attributes = { + "class": options.get('classes', index), + "alt": alt, + "src": "%s%s.svg" % ( + options.get('image_path', svg_path), + uc + ) + } + + if title: + attributes['title'] = title + + add_attriubtes(options, attributes) + + return etree.Element("img", attributes) + else: + el = etree.Element('span', {"class": options.get('classes', index)}) + svg_path = md.inlinePatterns['emoji'].emoji_index['emoji'][shortname]['path'] + with codecs.open(svg_path, 'r', encoding='utf-8') as f: + el.text = md.htmlStash.store(f.read()) + return el \ No newline at end of file diff --git a/mkdocs.yml b/mkdocs.yml index 182cbcb92..56ea5cf32 100755 --- a/mkdocs.yml +++ b/mkdocs.yml @@ -103,8 +103,8 @@ markdown_extensions: - pymdownx.critic - pymdownx.details - pymdownx.emoji: - emoji_index: !!python/name:pymdownx.emoji.twemoji - emoji_generator: !!python/name:pymdownx.emoji.to_svg + emoji_index: !!python/name:material.emoji.material + emoji_generator: !!python/name:material.emoji.to_svg # - pymdownx.highlight: # linenums_style: pymdownx-inline - pymdownx.inlinehilite diff --git a/netlify.toml b/netlify.toml index 589e0721b..3f6b12e51 100644 --- a/netlify.toml +++ b/netlify.toml @@ -22,5 +22,5 @@ publish = "site" command = """ pip install mkdocs-minify-plugin -mkdocs build +python -m mkdocs build """ diff --git a/src/assets/stylesheets/extensions/pymdown/_emoji.scss b/src/assets/stylesheets/extensions/pymdown/_emoji.scss index 9fc058d22..3ee925bcb 100644 --- a/src/assets/stylesheets/extensions/pymdown/_emoji.scss +++ b/src/assets/stylesheets/extensions/pymdown/_emoji.scss @@ -34,4 +34,8 @@ width: px2em(18px); vertical-align: -15%; } + + span.twemoji { + display: inline-block; + } } diff --git a/src/emoji.py b/src/emoji.py new file mode 100644 index 000000000..bbe8bcb02 --- /dev/null +++ b/src/emoji.py @@ -0,0 +1,67 @@ +""" +Emoji extras for Material. + +Override the Twemoji Index with an extended version that includes short names for Material icons, Fontawesome, etc. +""" +import os +import glob +import copy +from pymdownx import twemoji_db +from pymdownx.emoji import TWEMOJI_SVG_CDN, add_attriubtes +import codecs +import xml.etree.ElementTree as etree + +RESOURCES = os.path.dirname(os.path.abspath(__file__)) + + +def material(): + """Provide a copied Twemoji index with additional codes for Material included icons.""" + + # Copy the Twemoji index + index = { + "name": 'twemoji', + "emoji": copy.deepcopy(twemoji_db.emoji), + "aliases": copy.deepcopy(twemoji_db.aliases) + } + + # Find our icons + icon_path = os.path.join(RESOURCES, '.icons') + norm_base = icon_path.replace('\\', '/') + '/' + for result in glob.glob(icon_path.replace('\\', '/') + '/**/*.svg', recursive=True): + name = ':{}:'.format(result.replace('\\', '/').replace(norm_base, '', 1).replace('/', '-').lstrip('.')[:-4]) + if name not in index['emoji'] and name not in index['aliases']: + # Easiest to just store the path and pull it out from the index + index["emoji"][name] = {'name': name, 'path': result} + + return index + + +def to_svg(index, shortname, alias, uc, alt, title, category, options, md): + """Return SVG element.""" + + is_unicode = uc is not None + + if is_unicode: + svg_path = TWEMOJI_SVG_CDN + + attributes = { + "class": options.get('classes', index), + "alt": alt, + "src": "%s%s.svg" % ( + options.get('image_path', svg_path), + uc + ) + } + + if title: + attributes['title'] = title + + add_attriubtes(options, attributes) + + return etree.Element("img", attributes) + else: + el = etree.Element('span', {"class": options.get('classes', index)}) + svg_path = md.inlinePatterns['emoji'].emoji_index['emoji'][shortname]['path'] + with codecs.open(svg_path, 'r', encoding='utf-8') as f: + el.text = md.htmlStash.store(f.read()) + return el \ No newline at end of file diff --git a/webpack.config.ts b/webpack.config.ts index e2223b1fe..2ff4fadde 100644 --- a/webpack.config.ts +++ b/webpack.config.ts @@ -290,7 +290,7 @@ export default (_env: never, args: Configuration): Configuration[] => { "{#-\n" + " This file was automatically generated - do not edit\n" + "-#}\n" - return banner + minhtml(content.toString(), { + return banner + minhtml(content.toString().replace(/\r\n/gm, "\n"), { collapseBooleanAttributes: true, includeAutoGeneratedTags: false, minifyCSS: true,