From eb82c8d586570ee506717c260ed8daf74ad0ac6e Mon Sep 17 00:00:00 2001 From: squidfunk Date: Sat, 22 Feb 2020 15:24:15 +0100 Subject: [PATCH] Fixed edge case in scroll restoration --- .../assets/javascripts/bundle.14f179c1.min.js | 24 ++++++ .../javascripts/bundle.14f179c1.min.js.map | 1 + .../assets/javascripts/bundle.dcf1ce56.min.js | 24 ------ .../javascripts/bundle.dcf1ce56.min.js.map | 1 - material/assets/manifest.json | 4 +- material/base.html | 2 +- src/assets/javascripts/index.ts | 75 +++++++++++++------ .../agent/document/switch/index.ts | 16 ++-- 8 files changed, 85 insertions(+), 62 deletions(-) create mode 100644 material/assets/javascripts/bundle.14f179c1.min.js create mode 100644 material/assets/javascripts/bundle.14f179c1.min.js.map delete mode 100644 material/assets/javascripts/bundle.dcf1ce56.min.js delete mode 100644 material/assets/javascripts/bundle.dcf1ce56.min.js.map diff --git a/material/assets/javascripts/bundle.14f179c1.min.js 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e=s(t,2),n=e[0].focus,r=e[1];n&&gr(r,n)})),i})))}(v),Lt(1)),_=Er("search-reset").pipe(Ar(),Lt(1)),x=Er("search-result").pipe(Ir(v,{query$:w}),Lt(1)),S=Er("search").pipe(function(t){var e=t.query$,n=t.reset$,r=t.result$;return U(Ht((function(){return Q([e,r,n]).pipe(ut((function(t){var e=s(t,2);return{query:e[0],result:e[1]}})))})))}({query$:w,reset$:_,result$:x}),Lt(1)),E=Er("navigation").pipe(jr({header$:y,main$:b,viewport$:l,screen$:p}),Lt(1)),T=Er("toc").pipe(Nr({header$:y,main$:b,viewport$:l,tablet$:h}),Lt(1)),k=Er("tabs").pipe(function(t){var e=t.header$,n=t.viewport$,r=t.screen$;return U(Ht((function(t){return r.pipe(Ht((function(r){return r?pn(t,{header$:e,viewport$:n}).pipe(Kn(t,10),ut((function(t){return{hidden:t}}))):ft({hidden:!0})})))})))}({header$:y,viewport$:l,screen$:p}),Lt(1)),O=Er("hero").pipe(function(t){var e=t.header$,n=t.viewport$;return U(Ht((function(t){return pn(t,{header$:e,viewport$:n}).pipe(Kn(t,20),ut((function(t){return{hidden:t}})))})))}({header$:y,viewport$:l}),Lt(1)),j=Er("header-title").pipe(kr({header$:y,viewport$:l}),Lt(1)),A=Mr();!function(t){var e=t.document$,n=document.createElement("table");e.pipe(ut((function(){return on("table:not([class])")}))).subscribe((function(t){var e,r,i;try{for(var o=u(t),s=o.next();!s.done;s=o.next()){var c=s.value;c.replaceWith(n),n.replaceWith((i=c,Xn("div",{class:yr.wrapper},Xn("div",{class:yr.table},i))))}}catch(t){e={error:t}}finally{try{s&&!s.done&&(r=o.return)&&r.call(o)}finally{if(e)throw e.error}}}))}({document$:d}),function(t){var e=t.document$,n=t.hash$,r=e.pipe(ut((function(){return on("details")})));mt(an("print").pipe(Dt(Cr)),at(window,"beforeprint")).pipe(bn(r)).subscribe((function(t){var e,n;try{for(var r=u(t),i=r.next();!i.done;i=r.next()){i.value.setAttribute("open","")}}catch(t){e={error:t}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(e)throw e.error}}})),n.pipe(ut((function(t){return en('[id="'+t+'"]')})),Dt((function(t){return void 0!==t})),Ut((function(t){var e=t.closest("details");e&&!e.open&&e.setAttribute("open","")}))).subscribe((function(t){return t.scrollIntoView()}))}({document$:d,hash$:f}),function(t){t.document$.pipe(ut((function(){return nn(".md-source[href]")})),Oe(1),Ht((function(t){var e=t.href;return Wn(""+function(t){for(var e=0,n=0,r=t.length;n code");try{for(var i=u(r.entries()),o=i.next();!o.done;o=i.next()){var c=s(o.value,2),a=c[0],f=c[1],l=f.parentElement;l.id="__code_"+a,l.insertBefore((n=l.id,Xn("button",{class:cr.container,title:Bn("clipboard.copy"),"data-clipboard-target":"#"+n+" code"},"")),f)}}catch(e){t={error:e}}finally{try{o&&!o.done&&(e=i.return)&&e.call(i)}finally{if(t)throw t.error}}}));var r=cn((function(t){new Pr(".md-clipboard").on("success",t)})).pipe(ve());return r.pipe(Ut((function(t){return t.clearSelection()})),Qt(Bn("clipboard.copied"))).subscribe(n),r}({document$:d,dialog$:M});function L(t){return t.hash.length>0}if(f.subscribe((function(t){mr("drawer").subscribe((function(t){gr(t,!1)}))})),f.pipe(Ht((function(t){return mr("search").pipe(Dt((function(t){return t.checked})),Ut((function(t){return gr(t,!1)})),Bt(125),Qt(t))}))).subscribe((function(t){en('[id="'+t+'"]').scrollIntoView()})),Q([mr("search").pipe(Ht(wr)),h]).pipe(ee(l),Ht((function(t){var e=s(t,2),n=s(e[0],2),r=n[0],i=n[1],o=e[1].offset.y,u=r&&!i;return d.pipe(Bt(u?400:100),Ct(ot),Ut((function(t){var e=t.body;return u?function(t,e){t.setAttribute("data-md-state","lock"),t.style.top="-"+e+"px"}(e,o):function(t){var e=-1*parseInt(t.style.top,10);t.removeAttribute("data-md-state"),t.style.top="",e&&window.scrollTo(0,e)}(e)})))}))).subscribe(),t.feature.instant){"scrollRestoration"in history&&(history.scrollRestoration="manual");try{for(var H=u(['link[rel="shortcut icon"]','link[rel="stylesheet"]']),R=H.next();!R.done;R=H.next()){var V=R.value;try{for(var D=(r=void 0,u(on(V))),F=D.next();!F.done;F=D.next()){var z=F.value;z.href=z.href}}catch(t){r={error:t}}finally{try{F&&!F.done&&(i=D.return)&&i.call(D)}finally{if(r)throw r.error}}}}catch(t){e={error:t}}finally{try{R&&!R.done&&(n=H.return)&&n.call(H)}finally{if(e)throw e.error}}var Y=at(document.body,"click").pipe(Dt((function(t){return!(t.metaKey||t.ctrlKey)})),Ht((function(t){if(t.target instanceof HTMLElement){var e=t.target.closest("a");if(e&&function(t){return t.hostname===location.hostname}(e))return L(e)||t.preventDefault(),ft(e.href)}return lt})),ie(),ut((function(t){return{url:new URL(t)}})),ve()),X=Y.pipe(Dt((function(t){return!L(t.url)})),ve()),W=at(window,"popstate").pipe(Dt((function(t){return null!==t.state})),ut((function(t){return{url:new URL(location.href),data:t.state}})),ve());mt(X,W).pipe(ye("url")).subscribe(a),Y.pipe(ie((function(t,e){var n=t.url,r=e.url;return n.href===r.href})),Dt((function(t){return!L(t.url)}))).subscribe((function(t){var e=t.url;history.pushState({},"",e.toString())})),mt(Y,W).pipe((N=2,P=1,void 0===P&&(P=null),function(t){return t.lift(new be(N,P))})).subscribe((function(t){var e=s(t,2),n=e[0],r=e[1];console.log("<- "+n.url),console.log("-> "+r.url),null!==n.url.href.match(r.url.href)&&L(n.url)&&(M.next("Potential Candidate: "+JSON.stringify(r.data)),ln(r.data||{y:0}))})),l.pipe((C=250,void 0===I&&(I=Wt),function(t){return t.lift(new we(C,I))}),Se("offset")).subscribe((function(t){var e=t.offset;history.replaceState(e,"")})),mt(X,W).pipe(($=d,function(t){return t.lift(new Ee($))}),ee(d)).subscribe((function(t){var e,n,r=s(t,2),i=r[0],o=i.url,c=i.data,a=r[1],f=a.title,l=a.head;console.log("Done",o.href,c),document.title=f;try{for(var h=u(['link[rel="canonical"]','meta[name="author"]','meta[name="description"]']),p=h.next();!p.done;p=h.next()){var d=p.value,v=en(d,l),y=en(d,document.head);void 0!==v&&void 0!==y&&y.replaceWith(v)}}catch(t){e={error:t}}finally{try{p&&!p.done&&(n=h.return)&&n.call(h)}finally{if(e)throw e.error}}ln(c||{y:0})})),W.subscribe((function(t){var e=t.url;console.log("Popstate "+e.href,e)}))}A.pipe(Dt((function(t){return"global"===t.mode&&["Tab"].includes(t.type)})),Oe(1)).subscribe((function(){var t,e;try{for(var n=u(on(".headerlink")),r=n.next();!r.done;r=n.next()){r.value.style.visibility="visible"}}catch(e){t={error:e}}finally{try{r&&!r.done&&(e=n.return)&&e.call(n)}finally{if(t)throw t.error}}}));var B={search$:S,clipboard$:q,location$:a,hash$:f,keyboard$:A,dialog$:M,main$:b,navigation$:E,toc$:T,tabs$:k,hero$:O,title$:j},J=function(t,e){var n={};for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&e.indexOf(r)<0&&(n[r]=t[r]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(r=Object.getOwnPropertySymbols(t);i 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 = _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 = (0, _goodListener2.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 _clipboardAction2.default({\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}(_tinyEmitter2.default);\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\nmodule.exports = Clipboard;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\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\nvar _select = __webpack_require__(2);\n\nvar _select2 = _interopRequireDefault(_select);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/**\n * Inner class which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n */\nvar 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 = (0, _select2.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 = (0, _select2.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\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\nmodule.exports = ClipboardAction;\n\n/***/ }),\n/* 2 */\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/* 3 */\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;\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar is = __webpack_require__(5);\nvar delegate = __webpack_require__(6);\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/* 5 */\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/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar closest = __webpack_require__(7);\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/* 7 */\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/******/ ]);\n});","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\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 ? 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[] : Object.keys(obj);\n}) : /*#__PURE__*/_curry1(function keys(obj) {\n if (Object(obj) !== obj) {\n return [];\n }\n var prop, nIdx;\n var ks = [];\n var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n for (prop in obj) {\n if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n ks[ks.length] = prop;\n }\n }\n if (hasEnumBug) {\n nIdx = nonEnumerableProps.length - 1;\n while (nIdx >= 0) {\n prop = nonEnumerableProps[nIdx];\n if (_has(prop, obj) && !contains(ks, prop)) {\n ks[ks.length] = prop;\n }\n nIdx -= 1;\n }\n }\n return ks;\n});\nexport default keys;","import _curry1 from './internal/_curry1.js';\nimport keys from './keys.js';\n\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 */\nvar values = /*#__PURE__*/_curry1(function values(obj) {\n var props = keys(obj);\n var len = props.length;\n var vals = [];\n var idx = 0;\n while (idx < len) {\n vals[idx] = obj[props[idx]];\n idx += 1;\n }\n return vals;\n});\nexport default values;","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArray = /*@__PURE__*/ (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar _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 = /*@__PURE__*/ new Error();\n /*@__PURE__*/ 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 /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map\n","/** PURE_IMPORTS_START _config,_util_hostReportError PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar UnsubscriptionErrorImpl = /*@__PURE__*/ (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 = /*@__PURE__*/ Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map\n","/** PURE_IMPORTS_START _util_isArray,_util_isObject,_util_isFunction,_util_UnsubscriptionError PURE_IMPORTS_END */\nimport { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var rxSubscriber = /*@__PURE__*/ (function () {\n return typeof Symbol === 'function'\n ? /*@__PURE__*/ Symbol('rxSubscriber')\n : '@@rxSubscriber_' + /*@__PURE__*/ Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_isFunction,_Observer,_Subscription,_internal_symbol_rxSubscriber,_config,_util_hostReportError PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var subscribeToArray = function (array) {\n 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};\n//# sourceMappingURL=subscribeToArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = /*@__PURE__*/ getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var observable = /*@__PURE__*/ (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map\n","/** PURE_IMPORTS_START _subscribeToArray,_subscribeToPromise,_subscribeToIterable,_subscribeToObservable,_isArrayLike,_isPromise,_isObject,_symbol_iterator,_symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) {\n 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};\n//# sourceMappingURL=subscribeToObservable.js.map\n","/** PURE_IMPORTS_START _hostReportError PURE_IMPORTS_END */\nimport { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) {\n 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};\n//# sourceMappingURL=subscribeToPromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) {\n 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};\n//# sourceMappingURL=subscribeToIterable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function noop() { }\n//# sourceMappingURL=noop.js.map\n","/** PURE_IMPORTS_START _noop PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */\nimport { 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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _Subscriber,_symbol_rxSubscriber,_Observer PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Subscriber PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _InnerSubscriber,_subscribeTo,_Observable PURE_IMPORTS_END */\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, destination) {\n if (destination === void 0) {\n destination = new InnerSubscriber(outerSubscriber, outerValue, outerIndex);\n }\n if (destination.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(destination);\n }\n return subscribeTo(result)(destination);\n}\n//# sourceMappingURL=subscribeToResult.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_subscribeToArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_util_isScheduler,_util_isArray,_OuterSubscriber,_util_subscribeToResult,_fromArray PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\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\n","var Scheduler = /*@__PURE__*/ (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START tslib,_Scheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\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) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START _AnimationFrameAction,_AnimationFrameScheduler PURE_IMPORTS_END */\nimport { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = /*@__PURE__*/ new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__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","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _util_isScheduler,_fromArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_noop PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = /*@__PURE__*/ new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map\n","/** PURE_IMPORTS_START _scheduleObservable,_schedulePromise,_scheduleArray,_scheduleIterable,_util_isInteropObservable,_util_isPromise,_util_isArrayLike,_util_isIterable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { 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 () {\n 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 }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_iterator PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_subscribeTo,_scheduled_scheduled PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_util_subscribeToResult,_OuterSubscriber,_InnerSubscriber,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n subscribeToResult(this, ish, value, index, innerSubscriber);\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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map\n","/** PURE_IMPORTS_START _mergeMap,_util_identity PURE_IMPORTS_END */\nimport { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isScheduler,_operators_mergeAll,_fromArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ObjectUnsubscribedErrorImpl = /*@__PURE__*/ (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map\n","/** PURE_IMPORTS_START _observable_empty,_observable_of,_observable_throwError PURE_IMPORTS_END */\nimport { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n/*@__PURE__*/ (function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Observable,_Subscriber,_Subscription,_util_ObjectUnsubscribedError,_SubjectSubscription,_internal_symbol_rxSubscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START _QueueAction,_QueueScheduler PURE_IMPORTS_END */\nimport { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = /*@__PURE__*/ new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport var EMPTY = /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = /*@__PURE__*/ (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START tslib,_Subject,_scheduler_queue,_Subscription,_operators_observeOn,_util_ObjectUnsubscribedError,_SubjectSubscription PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) {\n bufferSize = Number.POSITIVE_INFINITY;\n }\n if (windowTime === void 0) {\n windowTime = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map\n","/** PURE_IMPORTS_START _ReplaySubject PURE_IMPORTS_END */\nimport { 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 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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, value, index, innerSubscriber);\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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_noop,_util_isFunction PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _AsyncAction,_AsyncScheduler PURE_IMPORTS_END */\nimport { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = /*@__PURE__*/ new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map\n","/** PURE_IMPORTS_START tslib,_scheduler_async,_util_isDate,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n scheduler = async;\n }\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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = [value].concat(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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _observable_ConnectableObservable PURE_IMPORTS_END */\nimport { 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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _multicast,_refCount,_Subject PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _map PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function bufferCount(bufferSize, startBufferEvery) {\n if (startBufferEvery === void 0) {\n startBufferEvery = null;\n }\n return function bufferCountOperatorFunction(source) {\n return source.lift(new BufferCountOperator(bufferSize, startBufferEvery));\n };\n}\nvar BufferCountOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_scheduler_async PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { async } from '../scheduler/async';\nexport function debounceTime(dueTime, scheduler) {\n if (scheduler === void 0) {\n scheduler = async;\n }\n return function (source) { return source.lift(new DebounceTimeOperator(dueTime, scheduler)); };\n}\nvar DebounceTimeOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _distinctUntilChanged PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ArgumentOutOfRangeErrorImpl = /*@__PURE__*/ (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 = /*@__PURE__*/ Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError,_observable_empty PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_.._util_root,_.._Observable,_.._Subscriber,_.._operators_map PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n headers = null;\n }\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 = /*@__PURE__*/ 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (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 = /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START _AjaxObservable PURE_IMPORTS_END */\nimport { AjaxObservable } from './AjaxObservable';\nexport var ajax = /*@__PURE__*/ (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map\n","/** PURE_IMPORTS_START _of,_operators_concatAll PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _mergeAll PURE_IMPORTS_END */\nimport { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map\n","/** PURE_IMPORTS_START _observable_concat,_util_isScheduler PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n }\n };\n return CatchSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=catchError.js.map\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\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\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 { NEVER, Observable } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n catchError,\n distinctUntilKeyChanged,\n pluck,\n share,\n skip,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\nimport { getLocation, setLocation } from \"../../location\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document switch\n *\n * This function returns an observables that fetches a document if the provided\n * location observable emits a new value (i.e. URL). If the emitted URL points\n * to the same page, the request is effectively ignored (i.e. when only the\n * fragment identifier changes).\n *\n * In case the request fails, the location change is dispatched regularly.\n *\n * @param options - Options\n *\n * @return Document switch observable\n */\nexport function watchDocumentSwitch(\n { location$ }: WatchOptions\n): Observable {\n return location$\n .pipe(\n startWith(location), // TODO: getLocation should return URL or Location\n distinctUntilKeyChanged(\"pathname\"),\n skip(1),\n\n /* Fetch document */\n switchMap(url => ajax({\n url: url.href,\n responseType: \"document\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\"),\n catchError(() => {\n setLocation(url.href) // TODO: setLocation should accept URL or location\n return NEVER\n })\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 { Subject, fromEvent } from \"rxjs\"\nimport { map } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * @return Location\n */\nexport function getLocation(): string {\n return location.href\n}\n\n/**\n * Set location\n *\n * @param value - New location\n */\nexport function setLocation(value: string): void {\n location.href = value\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n const location$ = new Subject()\n // fromEvent(window, \"popstate\")\n // .pipe(\n // map(getLocation)\n // )\n // .subscribe(location$)\n\n /* Return location subject */\n return location$\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, merge } from \"rxjs\"\nimport { mapTo, shareReplay } from \"rxjs/operators\"\n\nimport { watchDocumentSwitch } from \"../switch\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$?: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * If the location observable is passed, instant loading will be enabled which\n * means that new values will be emitted every time the location changes.\n *\n * @return Document observable\n */\nexport function watchDocument(\n { location$ }: WatchOptions = {}\n): Observable {\n return merge(\n fromEvent(document, \"DOMContentLoaded\")\n .pipe(\n mapTo(document)\n ),\n typeof location$ !== \"undefined\"\n ? watchDocumentSwitch({ location$ })\n : NEVER\n )\n .pipe(\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 * 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\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 * 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 { mapTo, 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 *\n * @return Element offset\n */\nexport function setElementFocus(\n el: 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 const focus$ = fromEvent(el, \"focus\")\n const blur$ = fromEvent(el, \"blur\")\n\n /* Map events to boolean state */\n return merge(\n focus$.pipe(mapTo(true)),\n blur$.pipe(mapTo(false))\n )\n .pipe(\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","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { 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\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, 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\"),\n fromEvent(window, \"resize\")\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\")\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 { map, shareReplay } from \"rxjs/operators\"\n\nimport { Header } from \"../../../header\"\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 relative options\n */\ninterface WatchRelativeOptions {\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$, viewport$ }: WatchRelativeOptions\n): Observable {\n return combineLatest([header$, viewport$])\n .pipe(\n map(([{ height }, { offset, size }]) => ({\n offset: {\n x: offset.x - el.offsetLeft,\n y: offset.y - el.offsetTop + height\n },\n size\n })),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n config = defaultThrottleConfig;\n }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _switchMap PURE_IMPORTS_END */\nimport { 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\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","import _curry1 from './internal/_curry1.js';\nimport _isString from './internal/_isString.js';\n\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 */\nvar reverse = /*#__PURE__*/_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import _curry1 from './_curry1.js';\nimport _isPlaceholder from './_isPlaceholder.js';\n\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 */\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\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}","export default function _arrayFromIterator(iter) {\n var list = [];\n var next;\n while (!(next = iter.next()).done) {\n list.push(next.value);\n }\n return list;\n}","export default function _includesWith(pred, x, list) {\n var idx = 0;\n var len = list.length;\n\n while (idx < len) {\n if (pred(x, list[idx])) {\n return true;\n }\n idx += 1;\n }\n return false;\n}","// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\nfunction _objectIs(a, b) {\n // SameValue algorithm\n if (a === b) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return a !== 0 || 1 / a === 1 / b;\n } else {\n // Step 6.a: NaN == NaN\n return a !== a && b !== b;\n }\n}\n\nexport default typeof Object.is === 'function' ? Object.is : _objectIs;","import _curry1 from './internal/_curry1.js';\n\n/**\n * Gives a single-word string description of the (native) type of a value,\n * returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not\n * attempt to distinguish user Object types any further, reporting them all as\n * 'Object'.\n *\n * @func\n * @memberOf R\n * @since v0.8.0\n * @category Type\n * @sig (* -> {*}) -> String\n * @param {*} val The value to test\n * @return {String}\n * @example\n *\n * R.type({}); //=> \"Object\"\n * R.type(1); //=> \"Number\"\n * R.type(false); //=> \"Boolean\"\n * R.type('s'); //=> \"String\"\n * R.type(null); //=> \"Null\"\n * R.type([]); //=> \"Array\"\n * R.type(/[A-z]/); //=> \"RegExp\"\n * R.type(() => {}); //=> \"Function\"\n * R.type(undefined); //=> \"Undefined\"\n */\nvar type = /*#__PURE__*/_curry1(function type(val) {\n return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);\n});\nexport default type;","import _arrayFromIterator from './_arrayFromIterator.js';\nimport _includesWith from './_includesWith.js';\nimport _functionName from './_functionName.js';\nimport _has from './_has.js';\nimport _objectIs from './_objectIs.js';\nimport keys from '../keys.js';\nimport type from '../type.js';\n\n/**\n * private _uniqContentEquals function.\n * That function is checking equality of 2 iterator contents with 2 assumptions\n * - iterators lengths are the same\n * - iterators values are unique\n *\n * false-positive result will be returned for comparision of, e.g.\n * - [1,2,3] and [1,2,3,4]\n * - [1,1,1] and [1,2,3]\n * */\n\nfunction _uniqContentEquals(aIterator, bIterator, stackA, stackB) {\n var a = _arrayFromIterator(aIterator);\n var b = _arrayFromIterator(bIterator);\n\n function eq(_a, _b) {\n return _equals(_a, _b, stackA.slice(), stackB.slice());\n }\n\n // if *a* array contains any element that is not included in *b*\n return !_includesWith(function (b, aItem) {\n return !_includesWith(eq, aItem, b);\n }, b, a);\n}\n\nexport default function _equals(a, b, stackA, stackB) {\n if (_objectIs(a, b)) {\n return true;\n }\n\n var typeA = type(a);\n\n if (typeA !== type(b)) {\n return false;\n }\n\n if (a == null || b == null) {\n return false;\n }\n\n if (typeof a['fantasy-land/equals'] === 'function' || typeof b['fantasy-land/equals'] === 'function') {\n return typeof a['fantasy-land/equals'] === 'function' && a['fantasy-land/equals'](b) && typeof b['fantasy-land/equals'] === 'function' && b['fantasy-land/equals'](a);\n }\n\n if (typeof a.equals === 'function' || typeof b.equals === 'function') {\n return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);\n }\n\n switch (typeA) {\n case 'Arguments':\n case 'Array':\n case 'Object':\n if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {\n return a === b;\n }\n break;\n case 'Boolean':\n case 'Number':\n case 'String':\n if (!(typeof a === typeof b && _objectIs(a.valueOf(), b.valueOf()))) {\n return false;\n }\n break;\n case 'Date':\n if (!_objectIs(a.valueOf(), b.valueOf())) {\n return false;\n }\n break;\n case 'Error':\n return a.name === b.name && a.message === b.message;\n case 'RegExp':\n if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {\n return false;\n }\n break;\n }\n\n var idx = stackA.length - 1;\n while (idx >= 0) {\n if (stackA[idx] === a) {\n return stackB[idx] === b;\n }\n idx -= 1;\n }\n\n switch (typeA) {\n case 'Map':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.entries(), b.entries(), stackA.concat([a]), stackB.concat([b]));\n case 'Set':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.values(), b.values(), stackA.concat([a]), stackB.concat([b]));\n case 'Arguments':\n case 'Array':\n case 'Object':\n case 'Boolean':\n case 'Number':\n case 'String':\n case 'Date':\n case 'Error':\n case 'RegExp':\n case 'Int8Array':\n case 'Uint8Array':\n case 'Uint8ClampedArray':\n case 'Int16Array':\n case 'Uint16Array':\n case 'Int32Array':\n case 'Uint32Array':\n case 'Float32Array':\n case 'Float64Array':\n case 'ArrayBuffer':\n break;\n default:\n // Values of other types are only equal if identical.\n return false;\n }\n\n var keysA = keys(a);\n if (keysA.length !== keys(b).length) {\n return false;\n }\n\n var extendedStackA = stackA.concat([a]);\n var extendedStackB = stackB.concat([b]);\n\n idx = keysA.length - 1;\n while (idx >= 0) {\n var key = keysA[idx];\n if (!(_has(key, b) && _equals(b[key], a[key], extendedStackA, extendedStackB))) {\n return false;\n }\n idx -= 1;\n }\n return true;\n}","export default function _functionName(f) {\n // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n var match = String(f).match(/^function (\\w*)/);\n return match == null ? '' : match[1];\n}","import _curry2 from './internal/_curry2.js';\nimport _equals from './internal/_equals.js';\n\n/**\n * Returns `true` if its arguments are equivalent, `false` otherwise. Handles\n * cyclical data structures.\n *\n * Dispatches symmetrically to the `equals` methods of both arguments, if\n * present.\n *\n * @func\n * @memberOf R\n * @since v0.15.0\n * @category Relation\n * @sig a -> b -> Boolean\n * @param {*} a\n * @param {*} b\n * @return {Boolean}\n * @example\n *\n * R.equals(1, 1); //=> true\n * R.equals(1, '1'); //=> false\n * R.equals([1, 2, 3], [1, 2, 3]); //=> true\n *\n * const a = {}; a.v = a;\n * const b = {}; b.v = b;\n * R.equals(a, b); //=> true\n */\nvar equals = /*#__PURE__*/_curry2(function equals(a, b) {\n return _equals(a, b, [], []);\n});\nexport default equals;","import _indexOf from './_indexOf.js';\n\nexport default function _includes(a, list) {\n return _indexOf(list, a, 0) >= 0;\n}","import equals from '../equals.js';\n\nexport default function _indexOf(list, a, idx) {\n var inf, item;\n // Array.prototype.indexOf doesn't exist below IE9\n if (typeof list.indexOf === 'function') {\n switch (typeof a) {\n case 'number':\n if (a === 0) {\n // manually crawl the list to distinguish between +0 and -0\n inf = 1 / a;\n while (idx < list.length) {\n item = list[idx];\n if (item === 0 && 1 / item === inf) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n } else if (a !== a) {\n // NaN\n while (idx < list.length) {\n item = list[idx];\n if (typeof item === 'number' && item !== item) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n }\n // non-zero numbers can utilise Set\n return list.indexOf(a, idx);\n\n // all these types can utilise Set\n case 'string':\n case 'boolean':\n case 'function':\n case 'undefined':\n return list.indexOf(a, idx);\n\n case 'object':\n if (a === null) {\n // null can utilise Set\n return list.indexOf(a, idx);\n }\n }\n }\n // anything else not covered above, defer to R.equals\n while (idx < list.length) {\n if (equals(list[idx], a)) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n}","import _includes from './_includes.js';\n\nvar _Set = /*#__PURE__*/function () {\n function _Set() {\n /* globals Set */\n this._nativeSet = typeof Set === 'function' ? new Set() : null;\n this._items = {};\n }\n\n // until we figure out why jsdoc chokes on this\n // @param item The item to add to the Set\n // @returns {boolean} true if the item did not exist prior, otherwise false\n //\n _Set.prototype.add = function (item) {\n return !hasOrAdd(item, true, this);\n };\n\n //\n // @param item The item to check for existence in the Set\n // @returns {boolean} true if the item exists in the Set, otherwise false\n //\n _Set.prototype.has = function (item) {\n return hasOrAdd(item, false, this);\n };\n\n //\n // Combines the logic for checking whether an item is a member of the set and\n // for adding a new item to the set.\n //\n // @param item The item to check or add to the Set instance.\n // @param shouldAdd If true, the item will be added to the set if it doesn't\n // already exist.\n // @param set The set instance to check or add to.\n // @return {boolean} true if the item already existed, otherwise false.\n //\n return _Set;\n}();\n\nfunction hasOrAdd(item, shouldAdd, set) {\n var type = typeof item;\n var prevSize, newSize;\n switch (type) {\n case 'string':\n case 'number':\n // distinguish between +0 and -0\n if (item === 0 && 1 / item === -Infinity) {\n if (set._items['-0']) {\n return true;\n } else {\n if (shouldAdd) {\n set._items['-0'] = true;\n }\n return false;\n }\n }\n // these types can all utilise the native Set\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = {};\n set._items[type][item] = true;\n }\n return false;\n } else if (item in set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][item] = true;\n }\n return false;\n }\n }\n\n case 'boolean':\n // set._items['boolean'] holds a two element array\n // representing [ falseExists, trueExists ]\n if (type in set._items) {\n var bIdx = item ? 1 : 0;\n if (set._items[type][bIdx]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][bIdx] = true;\n }\n return false;\n }\n } else {\n if (shouldAdd) {\n set._items[type] = item ? [false, true] : [true, false];\n }\n return false;\n }\n\n case 'function':\n // compare functions for reference equality\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n\n case 'undefined':\n if (set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type] = true;\n }\n return false;\n }\n\n case 'object':\n if (item === null) {\n if (!set._items['null']) {\n if (shouldAdd) {\n set._items['null'] = true;\n }\n return false;\n }\n return true;\n }\n /* falls through */\n default:\n // reduce the search size of heterogeneous sets by creating buckets\n // for each type.\n type = Object.prototype.toString.call(item);\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n // scan through all previously applied items\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n}\n\n// A simple Set type that honours R.equals semantics\nexport default _Set;","import _curry2 from './internal/_curry2.js';\nimport _Set from './internal/_Set.js';\n\n/**\n * Finds the set (i.e. no duplicates) of all elements in the first list not\n * contained in the second list. Objects and Arrays are compared in terms of\n * value equality, not reference equality.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Relation\n * @sig [*] -> [*] -> [*]\n * @param {Array} list1 The first list.\n * @param {Array} list2 The second list.\n * @return {Array} The elements in `list1` that are not in `list2`.\n * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith, R.without\n * @example\n *\n * R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]\n * R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]\n * R.difference([{a: 1}, {b: 2}], [{a: 1}, {c: 3}]) //=> [{b: 2}]\n */\nvar difference = /*#__PURE__*/_curry2(function difference(first, second) {\n var out = [];\n var idx = 0;\n var firstLen = first.length;\n var secondLen = second.length;\n var toFilterOut = new _Set();\n\n for (var i = 0; i < secondLen; i += 1) {\n toFilterOut.add(second[i]);\n }\n\n while (idx < firstLen) {\n if (toFilterOut.add(first[idx])) {\n out[out.length] = first[idx];\n }\n idx += 1;\n }\n return out;\n});\nexport default difference;","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) {\n hasSeed = false;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _seed, hasSeed) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._seed = _seed;\n _this.hasSeed = hasSeed;\n _this.index = 0;\n return _this;\n }\n Object.defineProperty(ScanSubscriber.prototype, \"seed\", {\n get: function () {\n return this._seed;\n },\n set: function (value) {\n this.hasSeed = true;\n this._seed = value;\n },\n enumerable: true,\n configurable: true\n });\n ScanSubscriber.prototype._next = function (value) {\n if (!this.hasSeed) {\n this.seed = value;\n this.destination.next(value);\n }\n else {\n return this._tryNext(value);\n }\n };\n ScanSubscriber.prototype._tryNext = function (value) {\n var index = this.index++;\n var result;\n try {\n result = this.accumulator(this.seed, value, index);\n }\n catch (err) {\n this.destination.error(err);\n }\n this.seed = result;\n this.destination.next(result);\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\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 \"observables\"\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: string, value?: string): string {\n if (typeof lang === \"undefined\") {\n const el = getElementOrThrow(\"#__lang\")\n lang = JSON.parse(el.innerText)\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\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\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\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/* ------------------------------------------------------------------------- */\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 * 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 { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\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(el: HTMLElement, child: Child | Child[]): 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 tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @return Element\n */\nexport function h(\n tag: string, attributes: Attributes | null, ...children: Child[]\n): HTMLElement {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else if (attributes[attr])\n el.setAttribute(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\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$\n .subscribe(value => {\n try {\n sessionStorage.setItem(key, JSON.stringify(value))\n } catch (err) {\n /* Uncritical, just swallow */\n }\n })\n\n /* Return value */\n return value$\n }\n })\n}\n","/** PURE_IMPORTS_START _Observable,_from,_empty PURE_IMPORTS_END */\nimport { 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","/*\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: HTMLElement\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 { OperatorFunction, animationFrameScheduler, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHidden, setHidden } from \"actions\"\n\nimport { Viewport } from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint hideable\n *\n * @param el - Hideable element\n * @param offset - Additional offset\n *\n * @return Operator function\n */\nexport function paintHideable(\n el: HTMLElement, offset: number = 0\n): OperatorFunction {\n return pipe(\n map(({ offset: { y } }) => y >= offset),\n distinctUntilChanged(),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(value => {\n setHidden(el, value)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHidden(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 hidden\n *\n * @param el - Hideable element\n * @param value - Whether the element is hidden\n */\nexport function setHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset hidden\n *\n * @param el - Hideable element\n */\nexport function resetHidden(\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 {\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 tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n resetSidebarHeight,\n resetSidebarLock,\n resetSidebarOffset,\n setSidebarHeight,\n setSidebarLock,\n setSidebarOffset\n} from \"actions\"\n\nimport { Viewport } from \"../../agent\"\nimport { Header } from \"../../header\"\nimport { Main } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n height: number /* Sidebar height */\n lock: boolean /* Sidebar lock */\n}\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 * Paint options\n */\ninterface PaintOptions {\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\n /* Adjust for internal main area offset */\n const adjust$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n map(() => parseFloat(\n getComputedStyle(el.parentElement!)\n .getPropertyValue(\"padding-top\")\n )),\n distinctUntilChanged()\n )\n\n /* Compute the sidebar's available height */\n const height$ = viewport$\n .pipe(\n withLatestFrom(adjust$, main$),\n map(([{ offset: { y } }, adjust, { offset, height }]) => (\n height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n )),\n distinctUntilChanged()\n )\n\n /* Compute whether the sidebar should be locked */\n const lock$ = viewport$\n .pipe(\n withLatestFrom(adjust$, main$),\n map(([{ offset: { y } }, adjust, { offset }]) => (\n y >= offset + adjust\n )),\n distinctUntilChanged()\n )\n\n /* Combine into single observable */\n return combineLatest([height$, lock$])\n .pipe(\n map(([height, lock]) => ({ height, lock }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSidebar(\n el: HTMLElement, { header$ }: PaintOptions\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 * 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/**\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 */\nexport default function _dispatchable(methodNames, xf, fn) {\n return function () {\n if (arguments.length === 0) {\n return fn();\n }\n var args = Array.prototype.slice.call(arguments, 0);\n var obj = args.pop();\n if (!_isArray(obj)) {\n var idx = 0;\n while (idx < methodNames.length) {\n if (typeof obj[methodNames[idx]] === 'function') {\n return obj[methodNames[idx]].apply(obj, args);\n }\n idx += 1;\n }\n if (_isTransformer(obj)) {\n var transducer = xf.apply(null, args);\n return transducer(obj);\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 = /*#__PURE__*/function () {\n function XFindLast(f, xf) {\n this.xf = xf;\n this.f = f;\n }\n XFindLast.prototype['@@transducer/init'] = _xfBase.init;\n XFindLast.prototype['@@transducer/result'] = function (result) {\n return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));\n };\n XFindLast.prototype['@@transducer/step'] = function (result, input) {\n if (this.f(input)) {\n this.last = input;\n }\n return result;\n };\n\n return XFindLast;\n}();\n\nvar _xfindLast = /*#__PURE__*/_curry2(function _xfindLast(f, xf) {\n return new XFindLast(f, xf);\n});\nexport default _xfindLast;","import _curry2 from './internal/_curry2.js';\nimport _dispatchable from './internal/_dispatchable.js';\nimport _xfindLast from './internal/_xfindLast.js';\n\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 */\nvar findLast = /*#__PURE__*/_curry2( /*#__PURE__*/_dispatchable([], _xfindLast, function findLast(fn, list) {\n var idx = list.length - 1;\n while (idx >= 0) {\n if (fn(list[idx])) {\n return list[idx];\n }\n idx -= 1;\n }\n}));\nexport default findLast;","/*\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 \"../../agent\"\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 * Watch options\n */\ninterface WatchOptions {\n transform?(value: string): string /* Transformation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper 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 */\nfunction defaultTransform(value: string): string {\n return value\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\n .trim()\n .replace(/\\s+|\\b$/g, \"* \")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @return Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { transform }: WatchOptions = {}\n): Observable {\n const fn = transform || defaultTransform\n\n /* Intercept keyboard events */\n const value$ = 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 { 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 * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @return Element\n */\nexport function renderClipboard(\n id: string\n): HTMLElement {\n return (\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 * 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): HTMLElement {\n const children = [article, ...sections].map(document => {\n const { location, title, text } = document\n return (\n \n
\n

{title}

\n {text.length\n ?

{truncate(text, 320)}

\n : undefined\n }\n
\n \n )\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 { 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): HTMLElement {\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): HTMLElement {\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\nimport { NEVER, Observable, fromEvent, of } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n startWith,\n switchMap,\n take\n} from \"rxjs/operators\"\n\nimport { getElement } from \"../agent\"\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 * Toggle map\n */\nexport type ToggleMap = {\n [P in Toggle]?: HTMLInputElement\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map observable\n */\nlet toggles$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup bindings to toggles with given names\n *\n * @param names - Toggle names\n * @param options - Options\n */\nexport function setupToggles(\n names: Toggle[], { document$ }: WatchOptions\n): void {\n toggles$ = document$\n .pipe(\n\n /* Ignore document switches */\n take(1),\n\n /* Build toggle map */\n map(document => names.reduce((toggles, name) => {\n const el = getElement(`[data-md-toggle=${name}]`, document)\n return {\n ...toggles,\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\n }\n }, {})),\n\n /* Convert to hot observable */\n shareReplay(1)\n )\n}\n\n/**\n * Retrieve a toggle\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 * @param name - Toggle name\n *\n * @return Element observable\n */\nexport function useToggle(\n name: Toggle\n): Observable {\n return toggles$\n .pipe(\n switchMap(toggles => (\n typeof toggles[name] !== \"undefined\"\n ? of(toggles[name]!)\n : NEVER\n )),\n distinctUntilChanged()\n )\n}\n\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 el - Toggle element\n * @param value - Toggle value\n */\nexport function setToggle(\n el: HTMLInputElement, value: boolean\n): void {\n if (el.checked !== value)\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param el - Toggle element\n *\n * @return Toggle observable\n */\nexport function watchToggle(\n el: HTMLInputElement\n): Observable {\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 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 { SearchIndexOptions, SearchResult } from \"integrations/search\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n DUMP, /* Search index dump */\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: SearchIndexOptions /* Message data */\n}\n\n/**\n * A message containing the a dump of the search index\n */\nexport interface SearchDumpMessage {\n type: SearchMessageType.DUMP /* Message type */\n data: string /* Message data */\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 | SearchDumpMessage\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 dump messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchDumpMessage(\n message: SearchMessage\n): message is SearchDumpMessage {\n return message.type === SearchMessageType.DUMP\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 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 { keys } from \"ramda\"\nimport { NEVER, Observable, of } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n scan,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { getElement } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component\n */\nexport type Component =\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 | \"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$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup bindings to components with given names\n *\n * This function will maintain bindings to the elements identified by the given\n * names in-between document switches and update the elements in-place.\n *\n * @param names - Component names\n * @param options - Options\n */\nexport function setupComponents(\n names: Component[], { document$ }: 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 keys(prev)) {\n switch (name) {\n\n /* Top-level components: update */\n case \"header-title\":\n case \"container\":\n if (name in prev && typeof prev[name] !== \"undefined\") {\n prev[name]!.replaceWith(next[name]!)\n prev[name] = next[name]\n }\n break\n\n /* All other components: rebind */\n default:\n prev[name] = getElement(`[data-md-component=${name}]`)\n }\n }\n return prev\n }),\n\n /* Convert to hot observable */\n shareReplay(1)\n )\n}\n\n/**\n * Retrieve a component\n *\n * The returned observable will only re-emit if the element changed, i.e. if\n * it was replaced from a document which was switched to.\n *\n * @template T - Element type\n *\n * @param name - Component name\n *\n * @return Element observable\n */\nexport function useComponent(\n name: Component\n): Observable {\n return components$\n .pipe(\n switchMap(components => (\n typeof components[name] !== \"undefined\"\n ? of(components[name] as T)\n : NEVER\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\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 {\n addToSearchResultList,\n resetSearchResultList,\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"actions\"\nimport { SearchResult } from \"integrations/search\"\nimport { renderSearchResult } from \"templates\"\n\nimport { getElementOrThrow } from \"../../agent\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint options\n */\ninterface PaintOptions {\n query$: Observable /* Search query observable */\n fetch$: Observable /* Result fetch observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint 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 paintSearchResult(\n el: HTMLElement, { query$, fetch$ }: PaintOptions\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 /* Paint search result metadata */\n withLatestFrom(query$),\n map(([result, query]) => {\n if (query.value) {\n setSearchResultMeta(meta, result.length)\n } else {\n resetSearchResultMeta(meta)\n }\n return result\n }),\n\n /* Paint search result list */\n switchMap(result => fetch$\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 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 { Subject, from } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport { map, pluck, shareReplay } from \"rxjs/operators\"\n\nimport { SearchIndexOptions } from \"integrations/search\"\nimport {\n WorkerHandler,\n getLocation,\n watchWorker\n} from \"observables\"\n\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 base: string /* Base url */\n index?: Promise /* Promise resolving with index */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Resolve URL\n * * TODO: document what's going on here + cache results\n *\n * @param origin - Base URL\n * @param paths - Further URL paths\n *\n * @return Relative URL\n */\nfunction resolve(origin: URL, ...paths: string[]) {\n const path = location.pathname\n .replace(origin.pathname, \"\")\n .replace(/[^\\/]+/g, \"..\") // getRelativeLocation\n // console.log(location.pathname, origin.pathname, path)\n return [path, ...paths].join(\"\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup search web worker\n *\n * This function will create a web worker to setup and query the search index\n * which is done using `lunr`. The index can be passed explicitly in order to\n * enable hacks like _localsearch_ via search index embedding as JSON. If no\n * index is given, this function will load it from the default location.\n *\n * @param url - Worker url\n * @param options - Options\n *\n * @return Worker handler\n */\nexport function setupSearchWorker(\n url: string, { base, index }: SetupOptions\n): WorkerHandler {\n const worker = new Worker(url)\n const origin = new URL(base, getLocation())\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n map(message => {\n if (isSearchResultMessage(message)) {\n for (const { article, sections } of message.data) {\n article.location = resolve(origin, article.location)\n for (const section of sections)\n section.location = resolve(origin, section.location)\n }\n }\n return message\n }),\n shareReplay(1)\n )\n\n /* Fetch index if it wasn't passed explicitly */\n const index$ = typeof index !== \"undefined\"\n ? from(index)\n : ajax({\n url: resolve(origin, \"search/search_index.json\"),\n responseType: \"json\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\")\n )\n\n /* Send index to worker */\n index$\n .pipe(\n map(data => ({\n type: SearchMessageType.SETUP,\n data\n }))\n )\n .subscribe(tx$.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\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { switchMap } from \"rxjs/operators\"\n\nimport { Header, Viewport, watchHeader } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount header from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHeader(\n { viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => watchHeader(el, { viewport$ }))\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, of } from \"rxjs\"\nimport { distinctUntilKeyChanged, switchMap } from \"rxjs/operators\"\n\nimport { Viewport } from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n sticky: boolean /* Header stickyness */\n height: number /* Header visible height */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * The header is wrapped in an observable to pave the way for auto-hiding or\n * other dynamic behaviors that may be implemented later on.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @return Header observable\n */\nexport function watchHeader(\n el: HTMLElement, { viewport$ }: WatchOptions\n): Observable
    {\n return viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n switchMap(() => {\n const styles = getComputedStyle(el)\n const sticky = [\n \"sticky\", /* Modern browsers */\n \"-webkit-sticky\" /* Old Safari */\n ].includes(styles.position)\n return of({\n sticky,\n height: sticky ? el.offsetHeight : 0\n })\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { filter, map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n getElement,\n paintHeaderTitle,\n watchViewportAt\n} from \"observables\"\n\nimport { useComponent } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount header title from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHeaderTitle(\n { header$, viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => useComponent(\"main\")\n .pipe(\n map(main => getElement(\"h1, h2, h3, h4, h5, h6\", main)!),\n filter(hx => typeof hx !== \"undefined\"),\n switchMap(hx => watchViewportAt(hx, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => y >= hx.offsetHeight),\n paintHeaderTitle(el)\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 { resetHeaderTitle, setHeaderTitle } from \"actions\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header title\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderTitle(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(active => {\n setHeaderTitle(el, active)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderTitle(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\n *\n * @param el - Header title element\n * @param value - Whether the title is shown\n */\nexport function setHeaderTitle(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"active\" : \"\")\n}\n\n/**\n * Reset header title\n *\n * @param el - Header element\n */\nexport function resetHeaderTitle(\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 {\n Header,\n Main,\n Viewport,\n paintHeaderShadow,\n watchMain\n} from \"observables\"\n\nimport { useComponent } from \"../_\"\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$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n paintHeaderShadow(header)\n )\n )\n )\n .subscribe()\n\n /* Return operator */\n return pipe(\n switchMap(el => watchMain(el, { header$, 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 animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\n\nimport { resetHeaderShadow, setHeaderShadow } from \"actions\"\n\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header shadow\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderShadow(\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, combineLatest } from \"rxjs\"\nimport { distinctUntilChanged, map, pluck } from \"rxjs/operators\"\n\nimport { Viewport } from \"../../agent\"\nimport { Header } from \"../../header\"\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 * 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$\n .pipe(\n pluck(\"height\")\n )\n\n /* Compute the main area's visible height */\n const height$ = combineLatest([adjust$, viewport$])\n .pipe(\n map(([adjust, { offset: { y }, size: { height } }]) => {\n const top = el.offsetTop\n const bottom = el.offsetHeight + top\n return height\n - Math.max(0, top - y, adjust)\n - Math.max(0, height + y - bottom)\n }),\n map(height => Math.max(0, height)),\n distinctUntilChanged()\n )\n\n /* Compute whether the viewport offset is past the main area's top */\n const active$ = combineLatest([adjust$, viewport$])\n .pipe(\n map(([adjust, { offset: { y } }]) => y >= el.offsetTop - adjust),\n distinctUntilChanged()\n )\n\n /* Combine into a single observable */\n return combineLatest([adjust$, height$, active$])\n .pipe(\n map(([adjust, height, active]) => ({\n offset: el.offsetTop - adjust,\n height,\n active\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, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Main,\n NavigationLayer,\n Sidebar,\n Viewport,\n getElements,\n paintNavigationLayer,\n paintSidebar,\n watchNavigationLayer,\n watchSidebar\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation for [screen -]\n */\nexport interface NavigationBelowScreen {\n layer: NavigationLayer /* Active layer */\n}\n\n/**\n * Navigation for [screen +]\n */\nexport interface 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 paintSidebar(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 paintNavigationLayer(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\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 {\n resetOverflowScrolling,\n setOverflowScrolling\n} from \"actions\"\n\nimport {\n getElement,\n getElementOrThrow\n} from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation layer\n */\nexport interface NavigationLayer {\n prev?: HTMLElement /* Layer (previous) */\n next: HTMLElement /* Layer (next) */\n}\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 * Paint navigation layer\n *\n * @param els - Navigation elements\n *\n * @return Operator function\n */\nexport function paintNavigationLayer(\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\nimport { OperatorFunction, pipe } from \"rxjs\"\nimport {\n mapTo,\n startWith,\n switchMap,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport { setElementFocus, watchSearchReset } from \"observables\"\n\nimport { useComponent } from \"../../_\"\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","export default function _identity(x) {\n return x;\n}","import _curry1 from './internal/_curry1.js';\nimport _identity from './internal/_identity.js';\n\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 */\nvar identity = /*#__PURE__*/_curry1(_identity);\nexport default identity;","/*\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 { SearchResult } from \"integrations/search\"\nimport {\n SearchQuery,\n WorkerHandler,\n paintSearchResult,\n watchElementOffset\n} from \"observables\"\nimport {\n SearchMessage,\n isSearchResultMessage\n} from \"workers\"\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 /* Paint search results */\n return rx$\n .pipe(\n filter(isSearchResultMessage),\n pluck(\"data\"),\n paintSearchResult(el, { query$, 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 {\n Observable,\n OperatorFunction,\n combineLatest,\n of,\n pipe\n} from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n AnchorList,\n Header,\n Main,\n Sidebar,\n Viewport,\n getElements,\n paintAnchorList,\n paintSidebar,\n watchAnchorList,\n watchSidebar\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents for [tablet -]\n */\nexport interface TableOfContentsBelowTablet {} // tslint:disable-line\n\n/**\n * Table of contents for [tablet +]\n */\nexport interface 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$\n .pipe(\n switchMap(tablet => {\n\n /* [tablet +]: Mount table of contents in sidebar */\n if (tablet) {\n const els = getElements(\".md-nav__link\", el)\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, { main$, viewport$ })\n .pipe(\n paintSidebar(el, { header$ })\n )\n\n /* Watch and paint anchor list (scroll spy) */\n const anchors$ = watchAnchorList(els, { header$, viewport$ })\n .pipe(\n paintAnchorList(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 { difference, reverse } from \"ramda\"\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 scan,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetAnchorActive,\n resetAnchorBlur,\n setAnchorActive,\n setAnchorBlur\n} from \"actions\"\n\nimport { Viewport, getElement } from \"../agent\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Anchor list\n */\nexport interface AnchorList {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\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$\n .pipe(\n map(header => 18 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n reverse(path = [...path, anchor]),\n offset\n )\n }, new Map())\n }),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest(adjust$, 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 scan((a, b) => {\n const begin = Math.max(0, Math.min(b.prev.length, a.prev.length) - 1)\n const end = Math.max(b.prev.length, a.prev.length)\n return {\n prev: b.prev.slice(begin, end + 1),\n next: difference(b.next, a.next)\n }\n }, { prev: [], next: [] })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint anchor list\n *\n * @param els - Anchor elements\n *\n * @return Operator function\n */\nexport function paintAnchorList(\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 for (const [index, [el]] of prev.entries()) {\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 } from \"rxjs\"\nimport {\n filter,\n map,\n share,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { useComponent } from \"components\"\nimport {\n Key,\n getActiveElement,\n getElement,\n getElements,\n isSusceptibleToKeyboard,\n setElementFocus,\n setToggle,\n useToggle,\n watchKeyboard,\n watchToggle\n} from \"observables\"\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 * Setup keyboard\n *\n * This function will setup 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 toggle$ = useToggle(\"search\")\n const search$ = toggle$\n .pipe(\n switchMap(watchToggle)\n )\n\n /* Setup keyboard and determine mode */\n const keyboard$ = watchKeyboard()\n .pipe(\n withLatestFrom(search$),\n map(([key, toggle]): Keyboard => ({\n mode: toggle ? \"search\" : \"global\",\n ...key\n })),\n share()\n )\n\n /* Setup search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\"),\n withLatestFrom(\n toggle$,\n useComponent(\"search-query\"),\n useComponent(\"search-result\")\n )\n )\n .subscribe(([key, toggle, query, result]) => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: prevent form submission */\n case \"Enter\":\n if (active === query)\n key.claim()\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(toggle, false)\n setElementFocus(query, false)\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n setElementFocus(query)\n } else {\n const els = [query, ...getElements(\"[href]\", result)]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n setElementFocus(els[i])\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n setElementFocus(query)\n }\n })\n\n /* Setup global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active)\n }\n return false\n }),\n withLatestFrom(useComponent(\"search-query\"))\n )\n .subscribe(([key, query]) => {\n switch (key.type) {\n\n /* Open search */\n case \"f\":\n case \"s\":\n setElementFocus(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 { 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) {\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 { NEVER, Observable } from \"rxjs\"\nimport { catchError, map, switchMap, take } from \"rxjs/operators\"\n\nimport { getElementOrThrow, getElements } from \"observables\"\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 * Setup options\n */\ninterface SetupOptions {\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$ }: SetupOptions\n): void {\n document$\n .pipe(\n map(() => getElementOrThrow(\".md-source[href]\")),\n take(1),\n switchMap(({ href }) => (\n cache(`${hash(href)}`, () => fetchSourceFacts(href))\n )),\n catchError(() => NEVER)\n )\n .subscribe(facts => {\n for (const el of getElements(\".md-source__repository\")) {\n el.setAttribute(\"data-md-state\", \"done\")\n el.appendChild(renderSource(facts))\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// TODO: remove this after we finished refactoring\n// tslint:disable\n\nimport \"../stylesheets/app.scss\"\nimport \"../stylesheets/app-palette.scss\"\n\nimport { values } from \"ramda\"\nimport {\n merge,\n combineLatest,\n animationFrameScheduler,\n fromEvent,\n of,\n NEVER\n} from \"rxjs\"\nimport {\n delay,\n switchMap,\n tap,\n filter,\n withLatestFrom,\n observeOn,\n take,\n mapTo,\n shareReplay,\n sample,\n share,\n map,\n pluck,\n debounceTime,\n distinctUntilKeyChanged,\n distinctUntilChanged,\n bufferCount\n} from \"rxjs/operators\"\n\nimport {\n watchToggle,\n setToggle,\n getElements,\n getLocation,\n watchMedia,\n watchDocument,\n watchLocation,\n watchLocationHash,\n watchViewport,\n setupToggles,\n useToggle,\n getElement,\n setViewportOffset,\n ViewportOffset\n} from \"./observables\"\nimport { setupSearchWorker } from \"./workers\"\n\nimport { setScrollLock, resetScrollLock } from \"actions\"\nimport {\n mountHeader,\n mountHero,\n mountMain,\n mountNavigation,\n mountSearch,\n mountTableOfContents,\n mountTabs,\n useComponent,\n setupComponents,\n mountHeaderTitle,\n mountSearchQuery,\n mountSearchReset,\n mountSearchResult\n} from \"components\"\nimport { setupClipboard } from \"./integrations/clipboard\"\nimport { setupKeyboard } from \"./integrations/keyboard\"\nimport {\n patchTables,\n patchDetails,\n patchScrollfix,\n patchSource\n} from \"patches\"\nimport { isConfig } from \"utilities\"\nimport { setupDialog } from \"integrations/dialog\"\n\n/* ------------------------------------------------------------------------- */\n\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 * 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: ${JSON.stringify(config)}`)\n\n /* Setup user interface observables */\n const location$ = watchLocation()\n const hash$ = watchLocationHash()\n const viewport$ = watchViewport()\n const tablet$ = watchMedia(\"(min-width: 960px)\")\n const screen$ = watchMedia(\"(min-width: 1220px)\")\n\n /* Setup document observable */\n const document$ = config.feature.instant\n ? watchDocument({ location$ })\n : watchDocument()\n\n /* Setup toggle bindings */\n setupToggles([\n \"drawer\", /* Toggle for drawer */\n \"search\" /* Toggle for search */\n ], { document$ })\n\n /* Setup component bindings */\n setupComponents([\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 \"tabs\", /* Tabs */\n \"toc\" /* Table of contents */\n ], { document$ })\n\n /* ----------------------------------------------------------------------- */\n\n const worker = setupSearchWorker(config.worker.search, {\n base: config.base\n })\n\n /* ----------------------------------------------------------------------- */\n\n /* Create header observable */\n const header$ = useComponent(\"header\")\n .pipe(\n mountHeader({ 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 /* Mount search query */\n const query$ = useComponent(\"search-query\")\n .pipe(\n mountSearchQuery(worker),\n shareReplay(1) // TODO: this must be put onto EVERY component!\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 const navigation$ = useComponent(\"navigation\")\n .pipe(\n mountNavigation({ header$, main$, viewport$, screen$ }),\n shareReplay(1)\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 const title$ = useComponent(\"header-title\")\n .pipe(\n mountHeaderTitle({ header$, viewport$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n const keyboard$ = setupKeyboard()\n\n patchTables({ document$ })\n patchDetails({ document$, hash$ })\n patchSource({ document$ })\n\n /* Force 1px scroll offset to trigger overflow scrolling */\n if (navigator.userAgent.match(/(iPad|iPhone|iPod)/g))\n patchScrollfix({ document$ })\n\n /* Setup clipboard and dialog */\n const dialog$ = setupDialog()\n const clipboard$ = setupClipboard({ document$, dialog$ })\n\n /* ----------------------------------------------------------------------- */\n\n // Close drawer and search on hash change\n // put into navigation...\n hash$.subscribe(x => {\n useToggle(\"drawer\").subscribe(el => {\n setToggle(el, false)\n })\n })\n\n // put into search...\n hash$\n .pipe(\n switchMap(hash => useToggle(\"search\")\n .pipe(\n filter(x => x.checked), // only active\n tap(toggle => setToggle(toggle, false)),\n delay(125), // ensure that it runs after the body scroll reset...\n mapTo(hash)\n )\n )\n )\n .subscribe(hash => {\n getElement(`[id=\"${hash}\"]`)!.scrollIntoView()\n })\n\n // Scroll lock // document -> document$ => { body } !?\n // put into search...\n const toggle$ = useToggle(\"search\")\n combineLatest([\n toggle$.pipe(switchMap(watchToggle)),\n tablet$,\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), // TOOD: directly combine this with the hash!\n observeOn(animationFrameScheduler),\n tap(({ body }) => active\n ? setScrollLock(body, y)\n : resetScrollLock(body)\n )\n )\n })\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n /**\n * Location change\n */\n interface State {\n url: URL // TODO: use URL!?\n data?: ViewportOffset\n }\n\n function isInternalLink(el: HTMLAnchorElement | URL) {\n return el.hostname === location.hostname\n }\n\n function isAnchorLink(el: HTMLAnchorElement | URL) {\n return el.hash.length > 0\n }\n\n function compareState(\n { url: a }: State, { url: b }: State\n ) {\n return a.href === b.href\n }\n\n // instant loading\n if (config.feature.instant) {\n\n /* Disable automatic scroll restoration, as it doesn't work nicely */\n if (\"scrollRestoration\" in history)\n history.scrollRestoration = \"manual\"\n\n /* Resolve relative links for stability */\n for (const selector of [\n `link[rel=\"shortcut icon\"]`,\n `link[rel=\"stylesheet\"]`\n ])\n for (const el of getElements(selector))\n el.href = el.href\n\n /* Intercept internal link clicks */\n const internal$ = 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 && isInternalLink(el)) {\n if (!isAnchorLink(el))\n ev.preventDefault()\n return of(el.href)\n }\n }\n return NEVER\n }),\n distinctUntilChanged(),\n map(href => ({ url: new URL(href) })),\n share()\n )\n\n /* Intercept internal links to dispatch */\n const dispatch$ = internal$\n .pipe(\n filter(({ url }) => !isAnchorLink(url)),\n share()\n )\n\n /* Intercept popstate events (history back and forward) */\n const popstate$ = fromEvent(window, \"popstate\")\n .pipe(\n filter(ev => ev.state !== null),\n map(ev => ({\n url: new URL(location.href),\n data: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(dispatch$, popstate$)\n .pipe(\n pluck(\"url\")\n )\n .subscribe(location$)\n\n // TODO:\n // - the popstate location is not correct. it will cut off the location information\n // don't know why...\n\n\n /* Add dispatched link to history */\n internal$\n .pipe(\n // TODO: must start with the current location and ignore the first emission\n distinctUntilChanged(compareState),\n filter(({ url }) => !isAnchorLink(url))\n )\n .subscribe(({ url }) => {\n // console.log(`History.Push ${url}`)\n history.pushState({}, \"\", url.toString())\n })\n\n // special case\n merge(internal$, popstate$)\n .pipe(\n bufferCount(2, 1),\n // filter(([prev, next]) => {\n // return prev.url.href.match(next.url.href) !== null\n // && isAnchorLink(prev.url)\n // })\n )\n .subscribe(([prev, next]) => {\n console.log(`<- ${prev.url}`)\n console.log(`-> ${next.url}`)\n\n if (\n prev.url.href.match(next.url.href) !== null &&\n isAnchorLink(prev.url)\n ) {\n dialog$.next(`Potential Candidate: ${JSON.stringify(next.data)}`, ) // awesome debugging.\n setViewportOffset(next.data || { y: 0 })\n }\n // console.log(\"Potential Candidate\")\n })\n // .subscribe((x) => console.log(x[0].url.toString(), x[1].url.toString()))\n // filter(([prev, next]) => {\n // return prev.url.href.match(next.url.href) !== null\n // && isAnchorLink(prev.url)\n // }),\n // map(([, next]) => next)\n // // distinctUntilChanged(compareLocationChange),\n // // filter(({ url }) => !isAnchorLink(url))\n // )\n // .subscribe(({ url }) => {\n // console.log(`Restore ${url}`)\n // })\n\n /* Persist viewport offset in history before hash change */\n viewport$\n .pipe(\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\"),\n )\n .subscribe(({ offset }) => {\n // console.log(\"Update\", offset)\n history.replaceState(offset, \"\")\n })\n\n /* */\n merge(dispatch$, popstate$)\n .pipe(\n sample(document$),\n withLatestFrom(document$),\n )\n .subscribe(([{ url, data }, { title, head }]) => {\n console.log(\"Done\", url.href, data)\n\n // setDocumentTitle\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 prev.replaceWith(next)\n }\n }\n\n // // TODO: this doesnt work as expected\n // if (!data) {\n // const { hash } = new URL(href)\n // if (hash) {\n // const el = getElement(hash)\n // if (typeof el !== \"undefined\") {\n // el.scrollIntoView()\n // return\n // }\n // }\n // }\n\n // console.log(ev)\n // if (!data)\n setViewportOffset(data || { y: 0 }) // push state!\n })\n\n // internal$.subscribe(({ url }) => {\n // console.log(`Internal ${url}`)\n // })\n\n // dispatch$.subscribe(({ url }) => {\n // console.log(`Dispatch ${url}`)\n // })\n\n popstate$.subscribe(({ url }) => {\n console.log(`Popstate ${url.href}`, url)\n })\n }\n\n /* ----------------------------------------------------------------------- */\n\n // if we use a single tab outside of search, unhide all permalinks.\n // TODO: experimental. necessary!?\n keyboard$\n .pipe(\n filter(key => key.mode === \"global\" && [\"Tab\"].includes(key.type)),\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 search$,\n clipboard$,\n location$,\n hash$,\n keyboard$,\n dialog$,\n main$,\n navigation$,\n toc$,\n tabs$,\n hero$,\n title$ // TODO: header title\n }\n\n const { ...rest } = state\n merge(...values(rest))\n .subscribe() // potential memleak <-- use takeUntil\n\n return {\n // agent,\n state\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 * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n worker: {\n search: string /* Search worker URL */\n }\n feature: {\n instant: true /* Instant loading */\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.worker === \"object\"\n && typeof config.worker.search === \"string\"\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 withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n SearchQuery,\n WorkerHandler,\n setToggle,\n useToggle,\n watchSearchQuery\n} from \"observables\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchQueryMessage\n} from \"workers\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n transform?(value: string): string /* 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 const toggle$ = useToggle(\"search\")\n return pipe(\n switchMap(el => {\n const query$ = watchSearchQuery(el, options)\n\n /* Subscribe worker to search query */\n query$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }) => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Toggle search on focus */\n query$\n .pipe(\n distinctUntilKeyChanged(\"focus\"),\n withLatestFrom(toggle$)\n )\n .subscribe(([{ focus }, toggle]) => {\n if (focus)\n setToggle(toggle, focus)\n })\n\n /* Return search query */\n return query$\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, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport { SearchResult } from \"integrations/search\"\nimport { SearchQuery } from \"observables\"\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$])\n .pipe(\n map(([query, result]) => ({ query, result }))\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, of, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n paintHideable,\n watchViewportAt\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabs\n */\nexport interface Tabs {\n hidden: boolean /* Whether the tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: 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$\n .pipe(\n switchMap(screen => {\n\n /* Mount tabs above screen breakpoint */\n if (screen) {\n return watchViewportAt(el, { header$, viewport$ })\n .pipe(\n paintHideable(el, 10),\n map(hidden => ({ hidden }))\n )\n\n /* Mount 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 { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n paintHideable,\n watchViewportAt\n} from \"observables\"\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 paintHideable(el, 20),\n map(hidden => ({ hidden }))\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 { getElements } from \"observables\"\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 = document.createElement(\"table\")\n document$\n .pipe(\n map(() => getElements(\"table:not([class])\"))\n )\n .subscribe(els => {\n for (const el of els) {\n el.replaceWith(sentinel)\n sentinel.replaceWith(renderTable(el))\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n filter,\n map,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport {\n getElement,\n getElements,\n watchMedia\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n hash$: Observable /* Location hash observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all `details` elements\n *\n * This function will ensure that all `details` tags are opened prior to\n * printing, so the whole content of the page is included.\n *\n * @param options - Options\n */\nexport function patchDetails(\n { document$, hash$ }: MountOptions\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, fromEvent, merge } from \"rxjs\"\nimport { map, mapTo, switchMap } from \"rxjs/operators\"\n\nimport { getElements } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: MountOptions\n): void {\n document$\n .pipe(\n map(() => getElements(\"[data-md-scrollfix]\")),\n switchMap(els => merge(...els.map(el => (\n fromEvent(el, \"touchstart\")\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 { Subject, animationFrameScheduler } from \"rxjs\"\nimport {\n delay,\n map,\n observeOn,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { useComponent } from \"components\"\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 * Setup 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 = document.createElement(\"div\") // TODO: improve scoping\n dialog.classList.add(\"md-dialog\", \"md-typeset\")\n\n /* Display dialog */\n dialog$\n .pipe(\n switchMap(text => useComponent(\"container\")\n .pipe(\n map(container => container.appendChild(dialog)),\n observeOn(animationFrameScheduler),\n delay(1), // Strangley it doesnt work when we push things to the new animation frame...\n tap(el => {\n el.innerHTML = text\n el.setAttribute(\"data-md-state\", \"open\")\n }),\n delay(duration || 2000),\n tap(el => el.removeAttribute(\"data-md-state\")),\n delay(400),\n tap(el => {\n el.innerHTML = \"\"\n el.remove()\n })\n )\n )\n )\n .subscribe()\n\n /* Return dialog subject */\n return dialog$\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 * as ClipboardJS from \"clipboard\"\nimport { NEVER, Observable, Subject, fromEventPattern } from \"rxjs\"\nimport { mapTo, share, tap } from \"rxjs/operators\"\n\nimport { getElements } from \"observables\"\nimport { renderClipboard } 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 * Setup 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$\n .subscribe(() => {\n const blocks = getElements(\"pre > code\")\n for (const [index, block] of blocks.entries()) {\n const parent = block.parentElement!\n parent.id = `__code_${index}`\n parent.insertBefore(renderClipboard(parent.id), block)\n }\n })\n\n /* Initialize and setup 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$\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/javascripts/bundle.dcf1ce56.min.js b/material/assets/javascripts/bundle.dcf1ce56.min.js deleted file mode 100644 index 2de3c86c0..000000000 --- a/material/assets/javascripts/bundle.dcf1ce56.min.js +++ /dev/null @@ -1,24 +0,0 @@ -!function(t,e){for(var n in e)t[n]=e[n]}(window,function(t){var e={};function n(r){if(e[r])return e[r].exports;var i=e[r]={i:r,l:!1,exports:{}};return t[r].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=t,n.c=e,n.d=function(t,e,r){n.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:r})},n.r=function(t){"undefined"!=typeof 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d=p.value;d.location=gr(o,d.location)}}catch(t){r={error:t}}finally{try{p&&!p.done&&(i=h.return)&&i.call(h)}finally{if(r)throw r.error}}}}catch(t){e={error:t}}finally{try{c&&!c.done&&(n=s.return)&&n.call(s)}finally{if(e)throw e.error}}return t})),Lt(1));return(void 0!==r?pt(r):De({url:gr(o,"search/search_index.json"),responseType:"json",withCredentials:!0}).pipe(ye("response"))).pipe(ut((function(t){return{type:fr.SETUP,data:t}}))).subscribe(s.next.bind(s)),{tx$:s,rx$:c}}(t.worker.search,{base:t.base}),y=wr("header").pipe(_r({viewport$:f}),Lt(1)),b=wr("main").pipe(Sr({header$:y,viewport$:f}),Lt(1)),w=wr("search-query").pipe(function(t,e){var n=t.tx$;void 0===e&&(e={});var r=vr("search");return z(Ht((function(t){var i=ir(t,e);return i.pipe(we("value"),ut((function(t){var e=t.value;return{type:fr.QUERY,data:e}}))).subscribe(n.next.bind(n)),i.pipe(we("focus"),ee(r)).subscribe((function(t){var e=s(t,2),n=e[0].focus,r=e[1];n&&yr(r,n)})),i})))}(v),Lt(1)),_=wr("search-reset").pipe(Tr(),Lt(1)),x=wr("search-result").pipe(jr(v,{query$:w}),Lt(1)),S=wr("search").pipe(function(t){var e=t.query$,n=t.reset$,r=t.result$;return z(Ht((function(){return Q([e,r,n]).pipe(ut((function(t){var e=s(t,2);return{query:e[0],result:e[1]}})))})))}({query$:w,reset$:_,result$:x}),Lt(1)),E=wr("navigation").pipe(Er({header$:y,main$:b,viewport$:f,screen$:p}),Lt(1)),T=wr("toc").pipe(Ar({header$:y,main$:b,viewport$:f,tablet$:h}),Lt(1)),k=wr("tabs").pipe(function(t){var e=t.header$,n=t.viewport$,r=t.screen$;return z(Ht((function(t){return r.pipe(Ht((function(r){return r?ln(t,{header$:e,viewport$:n}).pipe(Bn(t,10),ut((function(t){return{hidden:t}}))):lt({hidden:!0})})))})))}({header$:y,viewport$:f,screen$:p}),Lt(1)),O=wr("hero").pipe(function(t){var e=t.header$,n=t.viewport$;return z(Ht((function(t){return ln(t,{header$:e,viewport$:n}).pipe(Bn(t,20),ut((function(t){return{hidden:t}})))})))}({header$:y,viewport$:f}),Lt(1)),j=wr("header-title").pipe(xr({header$:y,viewport$:f}),Lt(1)),A=Ir();!function(t){var e=t.document$,n=document.createElement("table");e.pipe(ut((function(){return nn("table:not([class])")}))).subscribe((function(t){var e,r,i;try{for(var o=u(t),s=o.next();!s.done;s=o.next()){var c=s.value;c.replaceWith(n),n.replaceWith((i=c,Un("div",{class:pr.wrapper},Un("div",{class:pr.table},i))))}}catch(t){e={error:t}}finally{try{s&&!s.done&&(r=o.return)&&r.call(o)}finally{if(e)throw e.error}}}))}({document$:d}),function(t){var e=t.document$,n=t.hash$,r=e.pipe(ut((function(){return nn("details")})));mt(sn("print").pipe(Dt(Or)),at(window,"beforeprint")).pipe(dn(r)).subscribe((function(t){var e,n;try{for(var r=u(t),i=r.next();!i.done;i=r.next()){i.value.setAttribute("open","")}}catch(t){e={error:t}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(e)throw e.error}}})),n.pipe(ut((function(t){return Ze('[id="'+t+'"]')})),Dt((function(t){return void 0!==t})),zt((function(t){var e=t.closest("details");e&&!e.open&&e.setAttribute("open","")}))).subscribe((function(t){return t.scrollIntoView()}))}({document$:d,hash$:l}),function(t){t.document$.pipe(ut((function(){return tn(".md-source[href]")})),Ee(1),Ht((function(t){var e=t.href;return zn(""+function(t){for(var e=0,n=0,r=t.length;n code");try{for(var i=u(r.entries()),o=i.next();!o.done;o=i.next()){var c=s(o.value,2),a=c[0],l=c[1],f=l.parentElement;f.id="__code_"+a,f.insertBefore((n=f.id,Un("button",{class:or.container,title:Yn("clipboard.copy"),"data-clipboard-target":"#"+n+" code"},"")),l)}}catch(e){t={error:e}}finally{try{o&&!o.done&&(e=i.return)&&e.call(i)}finally{if(t)throw t.error}}}));var r=un((function(t){new $r(".md-clipboard").on("success",t)})).pipe(ve());return r.pipe(zt((function(t){return t.clearSelection()})),Qt(Yn("clipboard.copied"))).subscribe(n),r}({document$:d,dialog$:C});function M(t){return t.hash.length>0}if(l.subscribe((function(t){vr("drawer").subscribe((function(t){yr(t,!1)}))})),l.pipe(Ht((function(t){return vr("search").pipe(Dt((function(t){return t.checked})),zt((function(t){return yr(t,!1)})),Bt(125),Qt(t))}))).subscribe((function(t){Ze('[id="'+t+'"]').scrollIntoView()})),Q([vr("search").pipe(Ht(br)),h]).pipe(ee(f),Ht((function(t){var e=s(t,2),n=s(e[0],2),r=n[0],i=n[1],o=e[1].offset.y,u=r&&!i;return d.pipe(Bt(u?400:100),It(ot),zt((function(t){var e=t.body;return u?function(t,e){t.setAttribute("data-md-state","lock"),t.style.top="-"+e+"px"}(e,o):function(t){var e=-1*parseInt(t.style.top,10);t.removeAttribute("data-md-state"),t.style.top="",e&&window.scrollTo(0,e)}(e)})))}))).subscribe(),t.feature.instant){"scrollRestoration"in history&&(history.scrollRestoration="manual");try{for(var q=u(['link[rel="shortcut icon"]','link[rel="stylesheet"]']),L=q.next();!L.done;L=q.next()){var H=L.value;try{for(var R=(r=void 0,u(nn(H))),V=R.next();!V.done;V=R.next()){var D=V.value;D.href=D.href}}catch(t){r={error:t}}finally{try{V&&!V.done&&(i=R.return)&&i.call(R)}finally{if(r)throw r.error}}}}catch(t){e={error:t}}finally{try{L&&!L.done&&(n=q.return)&&n.call(q)}finally{if(e)throw e.error}}var F=at(document.body,"click").pipe(Dt((function(t){return!(t.metaKey||t.ctrlKey)})),Ht((function(t){if(t.target instanceof HTMLElement){var e=t.target.closest("a");if(e&&function(t){return t.hostname===location.hostname}(e))return M(e)||t.preventDefault(),lt(e.href)}return ft})),ie(),ut((function(t){return{url:new URL(t)}})),ve()),U=F.pipe(Dt((function(t){return!M(t.url)})),ve()),Y=at(window,"popstate").pipe(ut((function(t){return{url:new URL(Ge()),data:t.state}})),ve());mt(U,Y).pipe(ye("url")).subscribe(a),F.pipe(ie((function(t,e){var n=t.url,r=e.url;return n.href===r.href})),Dt((function(t){return!M(t.url)}))).subscribe((function(t){var e=t.url;console.log("History.Push "+e),history.pushState({},"",e.toString())})),f.pipe((I=250,void 0===N&&(N=Wt),function(t){return t.lift(new be(I,N))}),we("offset")).subscribe((function(t){var e=t.offset;console.log("Update",e),history.replaceState(e,"")})),mt(U,Y).pipe(($=d,function(t){return t.lift(new _e($))}),ee(d)).subscribe((function(t){var e,n,r=s(t,2),i=r[0],o=i.url,c=i.data,a=r[1],l=a.title,f=a.head;console.log("Done",o.href,c),document.title=l;try{for(var h=u(['link[rel="canonical"]','meta[name="author"]','meta[name="description"]']),p=h.next();!p.done;p=h.next()){var d=p.value,v=Ze(d,f),y=Ze(d,document.head);void 0!==v&&void 0!==y&&y.replaceWith(v)}}catch(t){e={error:t}}finally{try{p&&!p.done&&(n=h.return)&&n.call(h)}finally{if(e)throw e.error}}!function(t){var e=t.x,n=t.y;window.scrollTo(e||0,n||0)}(c||{y:0})})),Y.subscribe((function(t){var e=t.url;console.log("Pop "+e)}))}A.pipe(Dt((function(t){return"global"===t.mode&&["Tab"].includes(t.type)})),Ee(1)).subscribe((function(){var t,e;try{for(var n=u(nn(".headerlink")),r=n.next();!r.done;r=n.next()){r.value.style.visibility="visible"}}catch(e){t={error:e}}finally{try{r&&!r.done&&(e=n.return)&&e.call(n)}finally{if(t)throw t.error}}}));var X={search$:S,clipboard$:P,location$:a,hash$:l,keyboard$:A,dialog$:C,main$:b,navigation$:E,toc$:T,tabs$:k,hero$:O,title$:j},W=function(t,e){var n={};for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&e.indexOf(r)<0&&(n[r]=t[r]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(r=Object.getOwnPropertySymbols(t);i 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 = _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 = (0, _goodListener2.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 _clipboardAction2.default({\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}(_tinyEmitter2.default);\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\nmodule.exports = Clipboard;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\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\nvar _select = __webpack_require__(2);\n\nvar _select2 = _interopRequireDefault(_select);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/**\n * Inner class which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n */\nvar 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 = (0, _select2.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 = (0, _select2.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\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\nmodule.exports = ClipboardAction;\n\n/***/ }),\n/* 2 */\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/* 3 */\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;\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar is = __webpack_require__(5);\nvar delegate = __webpack_require__(6);\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/* 5 */\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/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar closest = __webpack_require__(7);\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 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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/******/ ]);\n});","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\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 ? 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(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","export default function _isPlaceholder(a) {\n return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;\n}","import _isPlaceholder from './_isPlaceholder.js';\n\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 */\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 default function _has(prop, obj) {\n return Object.prototype.hasOwnProperty.call(obj, prop);\n}","import _has from './_has.js';\n\nvar toString = Object.prototype.toString;\nvar _isArguments = /*#__PURE__*/function () {\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';\n\n// cover IE < 9 keys issues\nvar hasEnumBug = ! /*#__PURE__*/{ toString: null }.propertyIsEnumerable('toString');\nvar nonEnumerableProps = ['constructor', 'valueOf', 'isPrototypeOf', 'toString', 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];\n// Safari bug\nvar hasArgsEnumBug = /*#__PURE__*/function () {\n 'use strict';\n\n return arguments.propertyIsEnumerable('length');\n}();\n\nvar contains = function contains(list, item) {\n var idx = 0;\n while (idx < list.length) {\n if (list[idx] === item) {\n return true;\n }\n idx += 1;\n }\n return false;\n};\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 */\nvar keys = typeof Object.keys === 'function' && !hasArgsEnumBug ? /*#__PURE__*/_curry1(function keys(obj) {\n return Object(obj) !== obj ? [] : Object.keys(obj);\n}) : /*#__PURE__*/_curry1(function keys(obj) {\n if (Object(obj) !== obj) {\n return [];\n }\n var prop, nIdx;\n var ks = [];\n var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n for (prop in obj) {\n if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n ks[ks.length] = prop;\n }\n }\n if (hasEnumBug) {\n nIdx = nonEnumerableProps.length - 1;\n while (nIdx >= 0) {\n prop = nonEnumerableProps[nIdx];\n if (_has(prop, obj) && !contains(ks, prop)) {\n ks[ks.length] = prop;\n }\n nIdx -= 1;\n }\n }\n return ks;\n});\nexport default keys;","import _curry1 from './internal/_curry1.js';\nimport keys from './keys.js';\n\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 */\nvar values = /*#__PURE__*/_curry1(function values(obj) {\n var props = keys(obj);\n var len = props.length;\n var vals = [];\n var idx = 0;\n while (idx < len) {\n vals[idx] = obj[props[idx]];\n idx += 1;\n }\n return vals;\n});\nexport default values;","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isScheduler(value) {\n return value && typeof value.schedule === 'function';\n}\n//# sourceMappingURL=isScheduler.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArray = /*@__PURE__*/ (function () { return Array.isArray || (function (x) { return x && typeof x.length === 'number'; }); })();\n//# sourceMappingURL=isArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isFunction(x) {\n return typeof x === 'function';\n}\n//# sourceMappingURL=isFunction.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar _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 = /*@__PURE__*/ new Error();\n /*@__PURE__*/ 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 /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function hostReportError(err) {\n setTimeout(function () { throw err; }, 0);\n}\n//# sourceMappingURL=hostReportError.js.map\n","/** PURE_IMPORTS_START _config,_util_hostReportError PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isObject(x) {\n return x !== null && typeof x === 'object';\n}\n//# sourceMappingURL=isObject.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar UnsubscriptionErrorImpl = /*@__PURE__*/ (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 = /*@__PURE__*/ Object.create(Error.prototype);\n return UnsubscriptionErrorImpl;\n})();\nexport var UnsubscriptionError = UnsubscriptionErrorImpl;\n//# sourceMappingURL=UnsubscriptionError.js.map\n","/** PURE_IMPORTS_START _util_isArray,_util_isObject,_util_isFunction,_util_UnsubscriptionError PURE_IMPORTS_END */\nimport { isArray } from './util/isArray';\nimport { isObject } from './util/isObject';\nimport { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nvar Subscription = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var rxSubscriber = /*@__PURE__*/ (function () {\n return typeof Symbol === 'function'\n ? /*@__PURE__*/ Symbol('rxSubscriber')\n : '@@rxSubscriber_' + /*@__PURE__*/ Math.random();\n})();\nexport var $$rxSubscriber = rxSubscriber;\n//# sourceMappingURL=rxSubscriber.js.map\n","/** PURE_IMPORTS_START tslib,_util_isFunction,_Observer,_Subscription,_internal_symbol_rxSubscriber,_config,_util_hostReportError PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar OuterSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from './Subscriber';\nvar InnerSubscriber = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var subscribeToArray = function (array) {\n 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};\n//# sourceMappingURL=subscribeToArray.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function getSymbolIterator() {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator';\n }\n return Symbol.iterator;\n}\nexport var iterator = /*@__PURE__*/ getSymbolIterator();\nexport var $$iterator = iterator;\n//# sourceMappingURL=iterator.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var observable = /*@__PURE__*/ (function () { return typeof Symbol === 'function' && Symbol.observable || '@@observable'; })();\n//# sourceMappingURL=observable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });\n//# sourceMappingURL=isArrayLike.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isPromise(value) {\n return !!value && typeof value.subscribe !== 'function' && typeof value.then === 'function';\n}\n//# sourceMappingURL=isPromise.js.map\n","/** PURE_IMPORTS_START _subscribeToArray,_subscribeToPromise,_subscribeToIterable,_subscribeToObservable,_isArrayLike,_isPromise,_isObject,_symbol_iterator,_symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { observable as Symbol_observable } from '../symbol/observable';\nexport var subscribeToObservable = function (obj) {\n 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};\n//# sourceMappingURL=subscribeToObservable.js.map\n","/** PURE_IMPORTS_START _hostReportError PURE_IMPORTS_END */\nimport { hostReportError } from './hostReportError';\nexport var subscribeToPromise = function (promise) {\n 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};\n//# sourceMappingURL=subscribeToPromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { iterator as Symbol_iterator } from '../symbol/iterator';\nexport var subscribeToIterable = function (iterable) {\n 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};\n//# sourceMappingURL=subscribeToIterable.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function noop() { }\n//# sourceMappingURL=noop.js.map\n","/** PURE_IMPORTS_START _noop PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _util_canReportError,_util_toSubscriber,_symbol_observable,_util_pipe,_config PURE_IMPORTS_END */\nimport { 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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _Subscriber,_symbol_rxSubscriber,_Observer PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Subscriber PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _InnerSubscriber,_subscribeTo,_Observable PURE_IMPORTS_END */\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeTo } from './subscribeTo';\nimport { Observable } from '../Observable';\nexport function subscribeToResult(outerSubscriber, result, outerValue, outerIndex, destination) {\n if (destination === void 0) {\n destination = new InnerSubscriber(outerSubscriber, outerValue, outerIndex);\n }\n if (destination.closed) {\n return undefined;\n }\n if (result instanceof Observable) {\n return result.subscribe(destination);\n }\n return subscribeTo(result)(destination);\n}\n//# sourceMappingURL=subscribeToResult.js.map\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_subscribeToArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_util_isScheduler,_util_isArray,_OuterSubscriber,_util_subscribeToResult,_fromArray PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Action PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Action } from './Action';\nvar AsyncAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\n return setInterval(scheduler.flush.bind(scheduler, this), delay);\n };\n AsyncAction.prototype.recycleAsyncId = function (scheduler, id, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from '../Subscription';\nvar Action = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\n return this;\n };\n return Action;\n}(Subscription));\nexport { Action };\n//# sourceMappingURL=Action.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar AnimationFrameAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\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\n","var Scheduler = /*@__PURE__*/ (function () {\n function Scheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\n this.SchedulerAction = SchedulerAction;\n this.now = now;\n }\n Scheduler.prototype.schedule = function (work, delay, state) {\n if (delay === void 0) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START tslib,_Scheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Scheduler } from '../Scheduler';\nvar AsyncScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(AsyncScheduler, _super);\n function AsyncScheduler(SchedulerAction, now) {\n if (now === void 0) {\n now = Scheduler.now;\n }\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) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START _AnimationFrameAction,_AnimationFrameScheduler PURE_IMPORTS_END */\nimport { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nexport var animationFrame = /*@__PURE__*/ new AnimationFrameScheduler(AnimationFrameAction);\n//# sourceMappingURL=animationFrame.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar AnimationFrameScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__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","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { isArray } from '../util/isArray';\nimport { isFunction } from '../util/isFunction';\nimport { map } from '../operators/map';\nvar toString = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _util_isScheduler,_fromArray,_scheduled_scheduleArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_noop PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nimport { noop } from '../util/noop';\nexport var NEVER = /*@__PURE__*/ new Observable(noop);\nexport function never() {\n return NEVER;\n}\n//# sourceMappingURL=never.js.map\n","/** PURE_IMPORTS_START _scheduleObservable,_schedulePromise,_scheduleArray,_scheduleIterable,_util_isInteropObservable,_util_isPromise,_util_isArrayLike,_util_isIterable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription PURE_IMPORTS_END */\nimport { 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 () {\n 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 }));\n return sub;\n });\n}\n//# sourceMappingURL=schedulePromise.js.map\n","/** PURE_IMPORTS_START _symbol_iterator PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_Subscription,_symbol_iterator PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _Observable,_util_subscribeTo,_scheduled_scheduled PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_util_subscribeToResult,_OuterSubscriber,_InnerSubscriber,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function () {\n function MergeMapOperator(project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(MergeMapSubscriber, _super);\n function MergeMapSubscriber(destination, project, concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\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, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n subscribeToResult(this, ish, value, index, innerSubscriber);\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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function identity(x) {\n return x;\n}\n//# sourceMappingURL=identity.js.map\n","/** PURE_IMPORTS_START _mergeMap,_util_identity PURE_IMPORTS_END */\nimport { mergeMap } from './mergeMap';\nimport { identity } from '../util/identity';\nexport function mergeAll(concurrent) {\n if (concurrent === void 0) {\n concurrent = Number.POSITIVE_INFINITY;\n }\n return mergeMap(identity, concurrent);\n}\n//# sourceMappingURL=mergeAll.js.map\n","/** PURE_IMPORTS_START _Observable,_util_isScheduler,_operators_mergeAll,_fromArray PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ObjectUnsubscribedErrorImpl = /*@__PURE__*/ (function () {\n function ObjectUnsubscribedErrorImpl() {\n Error.call(this);\n this.message = 'object unsubscribed';\n this.name = 'ObjectUnsubscribedError';\n return this;\n }\n ObjectUnsubscribedErrorImpl.prototype = /*@__PURE__*/ Object.create(Error.prototype);\n return ObjectUnsubscribedErrorImpl;\n})();\nexport var ObjectUnsubscribedError = ObjectUnsubscribedErrorImpl;\n//# sourceMappingURL=ObjectUnsubscribedError.js.map\n","/** PURE_IMPORTS_START _observable_empty,_observable_of,_observable_throwError PURE_IMPORTS_END */\nimport { empty } from './observable/empty';\nimport { of } from './observable/of';\nimport { throwError } from './observable/throwError';\nexport var NotificationKind;\n/*@__PURE__*/ (function (NotificationKind) {\n NotificationKind[\"NEXT\"] = \"N\";\n NotificationKind[\"ERROR\"] = \"E\";\n NotificationKind[\"COMPLETE\"] = \"C\";\n})(NotificationKind || (NotificationKind = {}));\nvar Notification = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START tslib,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscription } from './Subscription';\nvar SubjectSubscription = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Observable,_Subscriber,_Subscription,_util_ObjectUnsubscribedError,_SubjectSubscription,_internal_symbol_rxSubscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_AsyncAction PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncAction } from './AsyncAction';\nvar QueueAction = /*@__PURE__*/ (function (_super) {\n tslib_1.__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) {\n delay = 0;\n }\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) {\n delay = 0;\n }\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\n","/** PURE_IMPORTS_START _QueueAction,_QueueScheduler PURE_IMPORTS_END */\nimport { QueueAction } from './QueueAction';\nimport { QueueScheduler } from './QueueScheduler';\nexport var queue = /*@__PURE__*/ new QueueScheduler(QueueAction);\n//# sourceMappingURL=queue.js.map\n","/** PURE_IMPORTS_START tslib,_AsyncScheduler PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { AsyncScheduler } from './AsyncScheduler';\nvar QueueScheduler = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { Observable } from '../Observable';\nexport var EMPTY = /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START _Observable PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { Notification } from '../Notification';\nexport function observeOn(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\n return function observeOnOperatorFunction(source) {\n return source.lift(new ObserveOnOperator(scheduler, delay));\n };\n}\nvar ObserveOnOperator = /*@__PURE__*/ (function () {\n function ObserveOnOperator(scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ObserveOnSubscriber, _super);\n function ObserveOnSubscriber(destination, scheduler, delay) {\n if (delay === void 0) {\n delay = 0;\n }\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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START tslib,_Subject,_scheduler_queue,_Subscription,_operators_observeOn,_util_ObjectUnsubscribedError,_SubjectSubscription PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ReplaySubject, _super);\n function ReplaySubject(bufferSize, windowTime, scheduler) {\n if (bufferSize === void 0) {\n bufferSize = Number.POSITIVE_INFINITY;\n }\n if (windowTime === void 0) {\n windowTime = Number.POSITIVE_INFINITY;\n }\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 = /*@__PURE__*/ (function () {\n function ReplayEvent(time, value) {\n this.time = time;\n this.value = value;\n }\n return ReplayEvent;\n}());\n//# sourceMappingURL=ReplaySubject.js.map\n","/** PURE_IMPORTS_START _ReplaySubject PURE_IMPORTS_END */\nimport { 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 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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult,_map,_observable_from PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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, undefined, undefined);\n var destination = this.destination;\n destination.add(innerSubscriber);\n this.innerSubscription = subscribeToResult(this, result, value, index, innerSubscriber);\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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_noop,_util_isFunction PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _AsyncAction,_AsyncScheduler PURE_IMPORTS_END */\nimport { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\nexport var async = /*@__PURE__*/ new AsyncScheduler(AsyncAction);\n//# sourceMappingURL=async.js.map\n","/** PURE_IMPORTS_START tslib,_scheduler_async,_util_isDate,_Subscriber,_Notification PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n scheduler = async;\n }\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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function () {\n function DelayMessage(time, notification) {\n this.time = time;\n this.notification = notification;\n }\n return DelayMessage;\n}());\n//# sourceMappingURL=delay.js.map\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nexport function isDate(value) {\n return value instanceof Date && !isNaN(+value);\n}\n//# sourceMappingURL=isDate.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function mapTo(value) {\n return function (source) { return source.lift(new MapToOperator(value)); };\n}\nvar MapToOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = [value].concat(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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _observable_ConnectableObservable PURE_IMPORTS_END */\nimport { 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 = /*@__PURE__*/ (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\n","/** PURE_IMPORTS_START _multicast,_refCount,_Subject PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _map PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber,_scheduler_async PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nimport { async } from '../scheduler/async';\nexport function debounceTime(dueTime, scheduler) {\n if (scheduler === void 0) {\n scheduler = async;\n }\n return function (source) { return source.lift(new DebounceTimeOperator(dueTime, scheduler)); };\n}\nvar DebounceTimeOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _distinctUntilChanged PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START PURE_IMPORTS_END */\nvar ArgumentOutOfRangeErrorImpl = /*@__PURE__*/ (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 = /*@__PURE__*/ Object.create(Error.prototype);\n return ArgumentOutOfRangeErrorImpl;\n})();\nexport var ArgumentOutOfRangeError = ArgumentOutOfRangeErrorImpl;\n//# sourceMappingURL=ArgumentOutOfRangeError.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError,_observable_empty PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_.._util_root,_.._Observable,_.._Subscriber,_.._operators_map PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n headers = null;\n }\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 = /*@__PURE__*/ 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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (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 = /*@__PURE__*/ 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\n","/** PURE_IMPORTS_START _AjaxObservable PURE_IMPORTS_END */\nimport { AjaxObservable } from './AjaxObservable';\nexport var ajax = /*@__PURE__*/ (function () { return AjaxObservable.create; })();\n//# sourceMappingURL=ajax.js.map\n","/** PURE_IMPORTS_START _of,_operators_concatAll PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START _mergeAll PURE_IMPORTS_END */\nimport { mergeAll } from './mergeAll';\nexport function concatAll() {\n return mergeAll(1);\n}\n//# sourceMappingURL=concatAll.js.map\n","/** PURE_IMPORTS_START _observable_concat,_util_isScheduler PURE_IMPORTS_END */\nimport { 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\n","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 from \"tslib\";\nimport { Subscriber } from '../Subscriber';\nexport function skip(count) {\n return function (source) { return source.lift(new SkipOperator(count)); };\n}\nvar SkipOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_InnerSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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 subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n }\n };\n return CatchSubscriber;\n}(OuterSubscriber));\n//# sourceMappingURL=catchError.js.map\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, fromEvent } from \"rxjs\"\nimport { map } from \"rxjs/operators\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * @return Location\n */\nexport function getLocation(): string {\n return location.href\n}\n\n/**\n * Set location\n *\n * @param value - New location\n */\nexport function setLocation(value: string): void {\n location.href = value\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n const location$ = new Subject()\n // fromEvent(window, \"popstate\")\n // .pipe(\n // map(getLocation)\n // )\n // .subscribe(location$)\n\n /* Return location subject */\n return location$\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\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\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 { NEVER, Observable } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport {\n catchError,\n distinctUntilChanged,\n filter,\n map,\n pluck,\n share,\n skip,\n startWith,\n switchMap\n} from \"rxjs/operators\"\n\nimport { getLocation, setLocation } from \"../../location\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document switch\n *\n * This function returns an observables that fetches a document if the provided\n * location observable emits a new value (i.e. URL). If the emitted URL points\n * to the same page, the request is effectively ignored (i.e. when only the\n * fragment identifier changes).\n *\n * In case the request fails, the location change is dispatched regularly.\n *\n * @param options - Options\n *\n * @return Document switch observable\n */\nexport function watchDocumentSwitch(\n { location$ }: WatchOptions\n): Observable {\n return location$\n .pipe(\n startWith(location), // TODO: getLocation\n filter(url => url.hash.length === 0),\n map(url => url.href),\n distinctUntilChanged(),\n skip(1),\n\n /* Fetch document */\n switchMap(url => ajax({\n url,\n responseType: \"document\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\"),\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n ),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, fromEvent, merge } from \"rxjs\"\nimport { mapTo, shareReplay } from \"rxjs/operators\"\n\nimport { watchDocumentSwitch } from \"../switch\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$?: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document\n *\n * If the location observable is passed, instant loading will be enabled which\n * means that new values will be emitted every time the location changes.\n *\n * @return Document observable\n */\nexport function watchDocument(\n { location$ }: WatchOptions = {}\n): Observable {\n return merge(\n fromEvent(document, \"DOMContentLoaded\")\n .pipe(\n mapTo(document)\n ),\n typeof location$ !== \"undefined\"\n ? watchDocumentSwitch({ location$ })\n : NEVER\n )\n .pipe(\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 * 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\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 * 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 { mapTo, 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 *\n * @return Element offset\n */\nexport function setElementFocus(\n el: 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 const focus$ = fromEvent(el, \"focus\")\n const blur$ = fromEvent(el, \"blur\")\n\n /* Map events to boolean state */\n return merge(\n focus$.pipe(mapTo(true)),\n blur$.pipe(mapTo(false))\n )\n .pipe(\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","/** PURE_IMPORTS_START _Observable,_util_isArray,_util_isFunction,_operators_map PURE_IMPORTS_END */\nimport { 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\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, 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\"),\n fromEvent(window, \"resize\")\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\")\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 { map, shareReplay } from \"rxjs/operators\"\n\nimport { Header } from \"../../../header\"\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 relative options\n */\ninterface WatchRelativeOptions {\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$, viewport$ }: WatchRelativeOptions\n): Observable {\n return combineLatest([header$, viewport$])\n .pipe(\n map(([{ height }, { offset, size }]) => ({\n offset: {\n x: offset.x - el.offsetLeft,\n y: offset.y - el.offsetTop + height\n },\n size\n })),\n shareReplay(1)\n )\n}\n","/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */\nimport * as tslib_1 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) {\n config = defaultThrottleConfig;\n }\n return function (source) { return source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing)); };\n}\nvar ThrottleOperator = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\n","/** PURE_IMPORTS_START _switchMap PURE_IMPORTS_END */\nimport { 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\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","import _curry1 from './internal/_curry1.js';\nimport _isString from './internal/_isString.js';\n\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 */\nvar reverse = /*#__PURE__*/_curry1(function reverse(list) {\n return _isString(list) ? list.split('').reverse().join('') : Array.prototype.slice.call(list, 0).reverse();\n});\nexport default reverse;","export default function _isString(x) {\n return Object.prototype.toString.call(x) === '[object String]';\n}","import _curry1 from './_curry1.js';\nimport _isPlaceholder from './_isPlaceholder.js';\n\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 */\nexport default function _curry2(fn) {\n return function f2(a, b) {\n switch (arguments.length) {\n case 0:\n return f2;\n case 1:\n return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n return fn(a, _b);\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}","export default function _arrayFromIterator(iter) {\n var list = [];\n var next;\n while (!(next = iter.next()).done) {\n list.push(next.value);\n }\n return list;\n}","export default function _includesWith(pred, x, list) {\n var idx = 0;\n var len = list.length;\n\n while (idx < len) {\n if (pred(x, list[idx])) {\n return true;\n }\n idx += 1;\n }\n return false;\n}","// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\nfunction _objectIs(a, b) {\n // SameValue algorithm\n if (a === b) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return a !== 0 || 1 / a === 1 / b;\n } else {\n // Step 6.a: NaN == NaN\n return a !== a && b !== b;\n }\n}\n\nexport default typeof Object.is === 'function' ? Object.is : _objectIs;","import _curry1 from './internal/_curry1.js';\n\n/**\n * Gives a single-word string description of the (native) type of a value,\n * returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not\n * attempt to distinguish user Object types any further, reporting them all as\n * 'Object'.\n *\n * @func\n * @memberOf R\n * @since v0.8.0\n * @category Type\n * @sig (* -> {*}) -> String\n * @param {*} val The value to test\n * @return {String}\n * @example\n *\n * R.type({}); //=> \"Object\"\n * R.type(1); //=> \"Number\"\n * R.type(false); //=> \"Boolean\"\n * R.type('s'); //=> \"String\"\n * R.type(null); //=> \"Null\"\n * R.type([]); //=> \"Array\"\n * R.type(/[A-z]/); //=> \"RegExp\"\n * R.type(() => {}); //=> \"Function\"\n * R.type(undefined); //=> \"Undefined\"\n */\nvar type = /*#__PURE__*/_curry1(function type(val) {\n return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);\n});\nexport default type;","import _arrayFromIterator from './_arrayFromIterator.js';\nimport _includesWith from './_includesWith.js';\nimport _functionName from './_functionName.js';\nimport _has from './_has.js';\nimport _objectIs from './_objectIs.js';\nimport keys from '../keys.js';\nimport type from '../type.js';\n\n/**\n * private _uniqContentEquals function.\n * That function is checking equality of 2 iterator contents with 2 assumptions\n * - iterators lengths are the same\n * - iterators values are unique\n *\n * false-positive result will be returned for comparision of, e.g.\n * - [1,2,3] and [1,2,3,4]\n * - [1,1,1] and [1,2,3]\n * */\n\nfunction _uniqContentEquals(aIterator, bIterator, stackA, stackB) {\n var a = _arrayFromIterator(aIterator);\n var b = _arrayFromIterator(bIterator);\n\n function eq(_a, _b) {\n return _equals(_a, _b, stackA.slice(), stackB.slice());\n }\n\n // if *a* array contains any element that is not included in *b*\n return !_includesWith(function (b, aItem) {\n return !_includesWith(eq, aItem, b);\n }, b, a);\n}\n\nexport default function _equals(a, b, stackA, stackB) {\n if (_objectIs(a, b)) {\n return true;\n }\n\n var typeA = type(a);\n\n if (typeA !== type(b)) {\n return false;\n }\n\n if (a == null || b == null) {\n return false;\n }\n\n if (typeof a['fantasy-land/equals'] === 'function' || typeof b['fantasy-land/equals'] === 'function') {\n return typeof a['fantasy-land/equals'] === 'function' && a['fantasy-land/equals'](b) && typeof b['fantasy-land/equals'] === 'function' && b['fantasy-land/equals'](a);\n }\n\n if (typeof a.equals === 'function' || typeof b.equals === 'function') {\n return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);\n }\n\n switch (typeA) {\n case 'Arguments':\n case 'Array':\n case 'Object':\n if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {\n return a === b;\n }\n break;\n case 'Boolean':\n case 'Number':\n case 'String':\n if (!(typeof a === typeof b && _objectIs(a.valueOf(), b.valueOf()))) {\n return false;\n }\n break;\n case 'Date':\n if (!_objectIs(a.valueOf(), b.valueOf())) {\n return false;\n }\n break;\n case 'Error':\n return a.name === b.name && a.message === b.message;\n case 'RegExp':\n if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {\n return false;\n }\n break;\n }\n\n var idx = stackA.length - 1;\n while (idx >= 0) {\n if (stackA[idx] === a) {\n return stackB[idx] === b;\n }\n idx -= 1;\n }\n\n switch (typeA) {\n case 'Map':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.entries(), b.entries(), stackA.concat([a]), stackB.concat([b]));\n case 'Set':\n if (a.size !== b.size) {\n return false;\n }\n\n return _uniqContentEquals(a.values(), b.values(), stackA.concat([a]), stackB.concat([b]));\n case 'Arguments':\n case 'Array':\n case 'Object':\n case 'Boolean':\n case 'Number':\n case 'String':\n case 'Date':\n case 'Error':\n case 'RegExp':\n case 'Int8Array':\n case 'Uint8Array':\n case 'Uint8ClampedArray':\n case 'Int16Array':\n case 'Uint16Array':\n case 'Int32Array':\n case 'Uint32Array':\n case 'Float32Array':\n case 'Float64Array':\n case 'ArrayBuffer':\n break;\n default:\n // Values of other types are only equal if identical.\n return false;\n }\n\n var keysA = keys(a);\n if (keysA.length !== keys(b).length) {\n return false;\n }\n\n var extendedStackA = stackA.concat([a]);\n var extendedStackB = stackB.concat([b]);\n\n idx = keysA.length - 1;\n while (idx >= 0) {\n var key = keysA[idx];\n if (!(_has(key, b) && _equals(b[key], a[key], extendedStackA, extendedStackB))) {\n return false;\n }\n idx -= 1;\n }\n return true;\n}","export default function _functionName(f) {\n // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n var match = String(f).match(/^function (\\w*)/);\n return match == null ? '' : match[1];\n}","import _curry2 from './internal/_curry2.js';\nimport _equals from './internal/_equals.js';\n\n/**\n * Returns `true` if its arguments are equivalent, `false` otherwise. Handles\n * cyclical data structures.\n *\n * Dispatches symmetrically to the `equals` methods of both arguments, if\n * present.\n *\n * @func\n * @memberOf R\n * @since v0.15.0\n * @category Relation\n * @sig a -> b -> Boolean\n * @param {*} a\n * @param {*} b\n * @return {Boolean}\n * @example\n *\n * R.equals(1, 1); //=> true\n * R.equals(1, '1'); //=> false\n * R.equals([1, 2, 3], [1, 2, 3]); //=> true\n *\n * const a = {}; a.v = a;\n * const b = {}; b.v = b;\n * R.equals(a, b); //=> true\n */\nvar equals = /*#__PURE__*/_curry2(function equals(a, b) {\n return _equals(a, b, [], []);\n});\nexport default equals;","import _indexOf from './_indexOf.js';\n\nexport default function _includes(a, list) {\n return _indexOf(list, a, 0) >= 0;\n}","import equals from '../equals.js';\n\nexport default function _indexOf(list, a, idx) {\n var inf, item;\n // Array.prototype.indexOf doesn't exist below IE9\n if (typeof list.indexOf === 'function') {\n switch (typeof a) {\n case 'number':\n if (a === 0) {\n // manually crawl the list to distinguish between +0 and -0\n inf = 1 / a;\n while (idx < list.length) {\n item = list[idx];\n if (item === 0 && 1 / item === inf) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n } else if (a !== a) {\n // NaN\n while (idx < list.length) {\n item = list[idx];\n if (typeof item === 'number' && item !== item) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n }\n // non-zero numbers can utilise Set\n return list.indexOf(a, idx);\n\n // all these types can utilise Set\n case 'string':\n case 'boolean':\n case 'function':\n case 'undefined':\n return list.indexOf(a, idx);\n\n case 'object':\n if (a === null) {\n // null can utilise Set\n return list.indexOf(a, idx);\n }\n }\n }\n // anything else not covered above, defer to R.equals\n while (idx < list.length) {\n if (equals(list[idx], a)) {\n return idx;\n }\n idx += 1;\n }\n return -1;\n}","import _includes from './_includes.js';\n\nvar _Set = /*#__PURE__*/function () {\n function _Set() {\n /* globals Set */\n this._nativeSet = typeof Set === 'function' ? new Set() : null;\n this._items = {};\n }\n\n // until we figure out why jsdoc chokes on this\n // @param item The item to add to the Set\n // @returns {boolean} true if the item did not exist prior, otherwise false\n //\n _Set.prototype.add = function (item) {\n return !hasOrAdd(item, true, this);\n };\n\n //\n // @param item The item to check for existence in the Set\n // @returns {boolean} true if the item exists in the Set, otherwise false\n //\n _Set.prototype.has = function (item) {\n return hasOrAdd(item, false, this);\n };\n\n //\n // Combines the logic for checking whether an item is a member of the set and\n // for adding a new item to the set.\n //\n // @param item The item to check or add to the Set instance.\n // @param shouldAdd If true, the item will be added to the set if it doesn't\n // already exist.\n // @param set The set instance to check or add to.\n // @return {boolean} true if the item already existed, otherwise false.\n //\n return _Set;\n}();\n\nfunction hasOrAdd(item, shouldAdd, set) {\n var type = typeof item;\n var prevSize, newSize;\n switch (type) {\n case 'string':\n case 'number':\n // distinguish between +0 and -0\n if (item === 0 && 1 / item === -Infinity) {\n if (set._items['-0']) {\n return true;\n } else {\n if (shouldAdd) {\n set._items['-0'] = true;\n }\n return false;\n }\n }\n // these types can all utilise the native Set\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = {};\n set._items[type][item] = true;\n }\n return false;\n } else if (item in set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][item] = true;\n }\n return false;\n }\n }\n\n case 'boolean':\n // set._items['boolean'] holds a two element array\n // representing [ falseExists, trueExists ]\n if (type in set._items) {\n var bIdx = item ? 1 : 0;\n if (set._items[type][bIdx]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type][bIdx] = true;\n }\n return false;\n }\n } else {\n if (shouldAdd) {\n set._items[type] = item ? [false, true] : [true, false];\n }\n return false;\n }\n\n case 'function':\n // compare functions for reference equality\n if (set._nativeSet !== null) {\n if (shouldAdd) {\n prevSize = set._nativeSet.size;\n set._nativeSet.add(item);\n newSize = set._nativeSet.size;\n return newSize === prevSize;\n } else {\n return set._nativeSet.has(item);\n }\n } else {\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n\n case 'undefined':\n if (set._items[type]) {\n return true;\n } else {\n if (shouldAdd) {\n set._items[type] = true;\n }\n return false;\n }\n\n case 'object':\n if (item === null) {\n if (!set._items['null']) {\n if (shouldAdd) {\n set._items['null'] = true;\n }\n return false;\n }\n return true;\n }\n /* falls through */\n default:\n // reduce the search size of heterogeneous sets by creating buckets\n // for each type.\n type = Object.prototype.toString.call(item);\n if (!(type in set._items)) {\n if (shouldAdd) {\n set._items[type] = [item];\n }\n return false;\n }\n // scan through all previously applied items\n if (!_includes(item, set._items[type])) {\n if (shouldAdd) {\n set._items[type].push(item);\n }\n return false;\n }\n return true;\n }\n}\n\n// A simple Set type that honours R.equals semantics\nexport default _Set;","import _curry2 from './internal/_curry2.js';\nimport _Set from './internal/_Set.js';\n\n/**\n * Finds the set (i.e. no duplicates) of all elements in the first list not\n * contained in the second list. Objects and Arrays are compared in terms of\n * value equality, not reference equality.\n *\n * @func\n * @memberOf R\n * @since v0.1.0\n * @category Relation\n * @sig [*] -> [*] -> [*]\n * @param {Array} list1 The first list.\n * @param {Array} list2 The second list.\n * @return {Array} The elements in `list1` that are not in `list2`.\n * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith, R.without\n * @example\n *\n * R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]\n * R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]\n * R.difference([{a: 1}, {b: 2}], [{a: 1}, {c: 3}]) //=> [{b: 2}]\n */\nvar difference = /*#__PURE__*/_curry2(function difference(first, second) {\n var out = [];\n var idx = 0;\n var firstLen = first.length;\n var secondLen = second.length;\n var toFilterOut = new _Set();\n\n for (var i = 0; i < secondLen; i += 1) {\n toFilterOut.add(second[i]);\n }\n\n while (idx < firstLen) {\n if (toFilterOut.add(first[idx])) {\n out[out.length] = first[idx];\n }\n idx += 1;\n }\n return out;\n});\nexport default difference;","/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (function () {\n function ScanOperator(accumulator, seed, hasSeed) {\n if (hasSeed === void 0) {\n hasSeed = false;\n }\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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__extends(ScanSubscriber, _super);\n function ScanSubscriber(destination, accumulator, _seed, hasSeed) {\n var _this = _super.call(this, destination) || this;\n _this.accumulator = accumulator;\n _this._seed = _seed;\n _this.hasSeed = hasSeed;\n _this.index = 0;\n return _this;\n }\n Object.defineProperty(ScanSubscriber.prototype, \"seed\", {\n get: function () {\n return this._seed;\n },\n set: function (value) {\n this.hasSeed = true;\n this._seed = value;\n },\n enumerable: true,\n configurable: true\n });\n ScanSubscriber.prototype._next = function (value) {\n if (!this.hasSeed) {\n this.seed = value;\n this.destination.next(value);\n }\n else {\n return this._tryNext(value);\n }\n };\n ScanSubscriber.prototype._tryNext = function (value) {\n var index = this.index++;\n var result;\n try {\n result = this.accumulator(this.seed, value, index);\n }\n catch (err) {\n this.destination.error(err);\n }\n this.seed = result;\n this.destination.next(result);\n };\n return ScanSubscriber;\n}(Subscriber));\n//# sourceMappingURL=scan.js.map\n","/** PURE_IMPORTS_START tslib,_Subscriber,_Subscription PURE_IMPORTS_END */\nimport * as tslib_1 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 = /*@__PURE__*/ (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 = /*@__PURE__*/ (function (_super) {\n tslib_1.__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\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 \"observables\"\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: string, value?: string): string {\n if (typeof lang === \"undefined\") {\n const el = getElementOrThrow(\"#__lang\")\n lang = JSON.parse(el.innerText)\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\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\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\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/* ------------------------------------------------------------------------- */\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 * 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 { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\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(el: HTMLElement, child: Child | Child[]): 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 tag - HTML tag\n * @param attributes - HTML attributes\n * @param children - Child elements\n *\n * @return Element\n */\nexport function h(\n tag: string, attributes: Attributes | null, ...children: Child[]\n): HTMLElement {\n const el = document.createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n if (typeof attributes[attr] !== \"boolean\")\n el.setAttribute(attr, attributes[attr])\n else if (attributes[attr])\n el.setAttribute(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\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$\n .subscribe(value => {\n try {\n sessionStorage.setItem(key, JSON.stringify(value))\n } catch (err) {\n /* Uncritical, just swallow */\n }\n })\n\n /* Return value */\n return value$\n }\n })\n}\n","/** PURE_IMPORTS_START _Observable,_from,_empty PURE_IMPORTS_END */\nimport { 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","/*\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: HTMLElement\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 { OperatorFunction, animationFrameScheduler, pipe } from \"rxjs\"\nimport {\n distinctUntilChanged,\n finalize,\n map,\n observeOn,\n tap\n} from \"rxjs/operators\"\n\nimport { resetHidden, setHidden } from \"actions\"\n\nimport { Viewport } from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint hideable\n *\n * @param el - Hideable element\n * @param offset - Additional offset\n *\n * @return Operator function\n */\nexport function paintHideable(\n el: HTMLElement, offset: number = 0\n): OperatorFunction {\n return pipe(\n map(({ offset: { y } }) => y >= offset),\n distinctUntilChanged(),\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(value => {\n setHidden(el, value)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHidden(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 hidden\n *\n * @param el - Hideable element\n * @param value - Whether the element is hidden\n */\nexport function setHidden(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"hidden\" : \"\")\n}\n\n/**\n * Reset hidden\n *\n * @param el - Hideable element\n */\nexport function resetHidden(\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 {\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 tap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n resetSidebarHeight,\n resetSidebarLock,\n resetSidebarOffset,\n setSidebarHeight,\n setSidebarLock,\n setSidebarOffset\n} from \"actions\"\n\nimport { Viewport } from \"../../agent\"\nimport { Header } from \"../../header\"\nimport { Main } from \"../_\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Sidebar\n */\nexport interface Sidebar {\n height: number /* Sidebar height */\n lock: boolean /* Sidebar lock */\n}\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 * Paint options\n */\ninterface PaintOptions {\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\n /* Adjust for internal main area offset */\n const adjust$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n map(() => parseFloat(\n getComputedStyle(el.parentElement!)\n .getPropertyValue(\"padding-top\")\n )),\n distinctUntilChanged()\n )\n\n /* Compute the sidebar's available height */\n const height$ = viewport$\n .pipe(\n withLatestFrom(adjust$, main$),\n map(([{ offset: { y } }, adjust, { offset, height }]) => (\n height\n + Math.min(adjust, Math.max(0, y - offset))\n - adjust\n )),\n distinctUntilChanged()\n )\n\n /* Compute whether the sidebar should be locked */\n const lock$ = viewport$\n .pipe(\n withLatestFrom(adjust$, main$),\n map(([{ offset: { y } }, adjust, { offset }]) => (\n y >= offset + adjust\n )),\n distinctUntilChanged()\n )\n\n /* Combine into single observable */\n return combineLatest([height$, lock$])\n .pipe(\n map(([height, lock]) => ({ height, lock }))\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint sidebar\n *\n * @param el - Sidebar element\n * @param options - Options\n *\n * @return Operator function\n */\nexport function paintSidebar(\n el: HTMLElement, { header$ }: PaintOptions\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 * 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/**\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 */\nexport default function _dispatchable(methodNames, xf, fn) {\n return function () {\n if (arguments.length === 0) {\n return fn();\n }\n var args = Array.prototype.slice.call(arguments, 0);\n var obj = args.pop();\n if (!_isArray(obj)) {\n var idx = 0;\n while (idx < methodNames.length) {\n if (typeof obj[methodNames[idx]] === 'function') {\n return obj[methodNames[idx]].apply(obj, args);\n }\n idx += 1;\n }\n if (_isTransformer(obj)) {\n var transducer = xf.apply(null, args);\n return transducer(obj);\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 = /*#__PURE__*/function () {\n function XFindLast(f, xf) {\n this.xf = xf;\n this.f = f;\n }\n XFindLast.prototype['@@transducer/init'] = _xfBase.init;\n XFindLast.prototype['@@transducer/result'] = function (result) {\n return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));\n };\n XFindLast.prototype['@@transducer/step'] = function (result, input) {\n if (this.f(input)) {\n this.last = input;\n }\n return result;\n };\n\n return XFindLast;\n}();\n\nvar _xfindLast = /*#__PURE__*/_curry2(function _xfindLast(f, xf) {\n return new XFindLast(f, xf);\n});\nexport default _xfindLast;","import _curry2 from './internal/_curry2.js';\nimport _dispatchable from './internal/_dispatchable.js';\nimport _xfindLast from './internal/_xfindLast.js';\n\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 */\nvar findLast = /*#__PURE__*/_curry2( /*#__PURE__*/_dispatchable([], _xfindLast, function findLast(fn, list) {\n var idx = list.length - 1;\n while (idx >= 0) {\n if (fn(list[idx])) {\n return list[idx];\n }\n idx -= 1;\n }\n}));\nexport default findLast;","/*\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 \"../../agent\"\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 * Watch options\n */\ninterface WatchOptions {\n transform?(value: string): string /* Transformation function */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper 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 */\nfunction defaultTransform(value: string): string {\n return value\n .replace(/(?:^|\\s+)[*+-:^~]+(?=\\s+|$)/g, \"\")\n .trim()\n .replace(/\\s+|\\b$/g, \"* \")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch search query\n *\n * Note that the focus event which triggers re-reading the current query value\n * is delayed by `1ms` so the input's empty state is allowed to propagate.\n *\n * @param el - Search query element\n * @param options - Options\n *\n * @return Search query observable\n */\nexport function watchSearchQuery(\n el: HTMLInputElement, { transform }: WatchOptions = {}\n): Observable {\n const fn = transform || defaultTransform\n\n /* Intercept keyboard events */\n const value$ = 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 { 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 * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a 'copy-to-clipboard' button\n *\n * @param id - Unique identifier\n *\n * @return Element\n */\nexport function renderClipboard(\n id: string\n): HTMLElement {\n return (\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 * 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): HTMLElement {\n const children = [article, ...sections].map(document => {\n const { location, title, text } = document\n return (\n \n
    \n

    {title}

    \n {text.length\n ?

    {truncate(text, 320)}

    \n : undefined\n }\n
    \n     \n )\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 { 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): HTMLElement {\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): HTMLElement {\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\nimport { NEVER, Observable, fromEvent, of } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n shareReplay,\n startWith,\n switchMap,\n take\n} from \"rxjs/operators\"\n\nimport { getElement } from \"../agent\"\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 * Toggle map\n */\nexport type ToggleMap = {\n [P in Toggle]?: HTMLInputElement\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * Toggle map observable\n */\nlet toggles$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup bindings to toggles with given names\n *\n * @param names - Toggle names\n * @param options - Options\n */\nexport function setupToggles(\n names: Toggle[], { document$ }: WatchOptions\n): void {\n toggles$ = document$\n .pipe(\n\n /* Ignore document switches */\n take(1),\n\n /* Build toggle map */\n map(document => names.reduce((toggles, name) => {\n const el = getElement(`[data-md-toggle=${name}]`, document)\n return {\n ...toggles,\n ...typeof el !== \"undefined\" ? { [name]: el } : {}\n }\n }, {})),\n\n /* Convert to hot observable */\n shareReplay(1)\n )\n}\n\n/**\n * Retrieve a toggle\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 * @param name - Toggle name\n *\n * @return Element observable\n */\nexport function useToggle(\n name: Toggle\n): Observable {\n return toggles$\n .pipe(\n switchMap(toggles => (\n typeof toggles[name] !== \"undefined\"\n ? of(toggles[name]!)\n : NEVER\n )),\n distinctUntilChanged()\n )\n}\n\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 el - Toggle element\n * @param value - Toggle value\n */\nexport function setToggle(\n el: HTMLInputElement, value: boolean\n): void {\n if (el.checked !== value)\n el.click()\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch toggle\n *\n * @param el - Toggle element\n *\n * @return Toggle observable\n */\nexport function watchToggle(\n el: HTMLInputElement\n): Observable {\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 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 { SearchIndexOptions, SearchResult } from \"integrations/search\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Search message type\n */\nexport const enum SearchMessageType {\n SETUP, /* Search index setup */\n DUMP, /* Search index dump */\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: SearchIndexOptions /* Message data */\n}\n\n/**\n * A message containing the a dump of the search index\n */\nexport interface SearchDumpMessage {\n type: SearchMessageType.DUMP /* Message type */\n data: string /* Message data */\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 | SearchDumpMessage\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 dump messages\n *\n * @param message - Search worker message\n *\n * @return Test result\n */\nexport function isSearchDumpMessage(\n message: SearchMessage\n): message is SearchDumpMessage {\n return message.type === SearchMessageType.DUMP\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 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 { keys } from \"ramda\"\nimport { NEVER, Observable, of } from \"rxjs\"\nimport {\n distinctUntilChanged,\n map,\n scan,\n shareReplay,\n switchMap\n} from \"rxjs/operators\"\n\nimport { getElement } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Component\n */\nexport type Component =\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 | \"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$: Observable\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup bindings to components with given names\n *\n * This function will maintain bindings to the elements identified by the given\n * names in-between document switches and update the elements in-place.\n *\n * @param names - Component names\n * @param options - Options\n */\nexport function setupComponents(\n names: Component[], { document$ }: 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 keys(prev)) {\n switch (name) {\n\n /* Top-level components: update */\n case \"header-title\":\n case \"container\":\n if (name in prev && typeof prev[name] !== \"undefined\") {\n prev[name]!.replaceWith(next[name]!)\n prev[name] = next[name]\n }\n break\n\n /* All other components: rebind */\n default:\n prev[name] = getElement(`[data-md-component=${name}]`)\n }\n }\n return prev\n }),\n\n /* Convert to hot observable */\n shareReplay(1)\n )\n}\n\n/**\n * Retrieve a component\n *\n * The returned observable will only re-emit if the element changed, i.e. if\n * it was replaced from a document which was switched to.\n *\n * @template T - Element type\n *\n * @param name - Component name\n *\n * @return Element observable\n */\nexport function useComponent(\n name: Component\n): Observable {\n return components$\n .pipe(\n switchMap(components => (\n typeof components[name] !== \"undefined\"\n ? of(components[name] as T)\n : NEVER\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\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 {\n addToSearchResultList,\n resetSearchResultList,\n resetSearchResultMeta,\n setSearchResultMeta\n} from \"actions\"\nimport { SearchResult } from \"integrations/search\"\nimport { renderSearchResult } from \"templates\"\n\nimport { getElementOrThrow } from \"../../agent\"\nimport { SearchQuery } from \"../query\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint options\n */\ninterface PaintOptions {\n query$: Observable /* Search query observable */\n fetch$: Observable /* Result fetch observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint 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 paintSearchResult(\n el: HTMLElement, { query$, fetch$ }: PaintOptions\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 /* Paint search result metadata */\n withLatestFrom(query$),\n map(([result, query]) => {\n if (query.value) {\n setSearchResultMeta(meta, result.length)\n } else {\n resetSearchResultMeta(meta)\n }\n return result\n }),\n\n /* Paint search result list */\n switchMap(result => fetch$\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 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 { Subject, from } from \"rxjs\"\nimport { ajax } from \"rxjs/ajax\"\nimport { map, pluck, shareReplay } from \"rxjs/operators\"\n\nimport { SearchIndexOptions } from \"integrations/search\"\nimport {\n WorkerHandler,\n getLocation,\n watchWorker\n} from \"observables\"\n\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 base: string /* Base url */\n index?: Promise /* Promise resolving with index */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Resolve URL\n * * TODO: document what's going on here + cache results\n *\n * @param origin - Base URL\n * @param paths - Further URL paths\n *\n * @return Relative URL\n */\nfunction resolve(origin: URL, ...paths: string[]) {\n const path = location.pathname\n .replace(origin.pathname, \"\")\n .replace(/[^\\/]+/g, \"..\") // getRelativeLocation\n // console.log(location.pathname, origin.pathname, path)\n return [path, ...paths].join(\"\")\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Setup search web worker\n *\n * This function will create a web worker to setup and query the search index\n * which is done using `lunr`. The index can be passed explicitly in order to\n * enable hacks like _localsearch_ via search index embedding as JSON. If no\n * index is given, this function will load it from the default location.\n *\n * @param url - Worker url\n * @param options - Options\n *\n * @return Worker handler\n */\nexport function setupSearchWorker(\n url: string, { base, index }: SetupOptions\n): WorkerHandler {\n const worker = new Worker(url)\n const origin = new URL(base, getLocation())\n\n /* Create communication channels and resolve relative links */\n const tx$ = new Subject()\n const rx$ = watchWorker(worker, { tx$ })\n .pipe(\n map(message => {\n if (isSearchResultMessage(message)) {\n for (const { article, sections } of message.data) {\n article.location = resolve(origin, article.location)\n for (const section of sections)\n section.location = resolve(origin, section.location)\n }\n }\n return message\n }),\n shareReplay(1)\n )\n\n /* Fetch index if it wasn't passed explicitly */\n const index$ = typeof index !== \"undefined\"\n ? from(index)\n : ajax({\n url: resolve(origin, \"search/search_index.json\"),\n responseType: \"json\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\")\n )\n\n /* Send index to worker */\n index$\n .pipe(\n map(data => ({\n type: SearchMessageType.SETUP,\n data\n }))\n )\n .subscribe(tx$.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\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { switchMap } from \"rxjs/operators\"\n\nimport { Header, Viewport, watchHeader } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount header from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHeader(\n { viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => watchHeader(el, { viewport$ }))\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, of } from \"rxjs\"\nimport { distinctUntilKeyChanged, switchMap } from \"rxjs/operators\"\n\nimport { Viewport } from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Header\n */\nexport interface Header {\n sticky: boolean /* Header stickyness */\n height: number /* Header visible height */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch header\n *\n * The header is wrapped in an observable to pave the way for auto-hiding or\n * other dynamic behaviors that may be implemented later on.\n *\n * @param el - Header element\n * @param options - Options\n *\n * @return Header observable\n */\nexport function watchHeader(\n el: HTMLElement, { viewport$ }: WatchOptions\n): Observable
    {\n return viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n switchMap(() => {\n const styles = getComputedStyle(el)\n const sticky = [\n \"sticky\", /* Modern browsers */\n \"-webkit-sticky\" /* Old Safari */\n ].includes(styles.position)\n return of({\n sticky,\n height: sticky ? el.offsetHeight : 0\n })\n })\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { filter, map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n getElement,\n paintHeaderTitle,\n watchViewportAt\n} from \"observables\"\n\nimport { useComponent } from \"../../_\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: Observable
    /* Header observable */\n viewport$: Observable /* Viewport observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount header title from source observable\n *\n * @param options - Options\n *\n * @return Operator function\n */\nexport function mountHeaderTitle(\n { header$, viewport$ }: MountOptions\n): OperatorFunction {\n return pipe(\n switchMap(el => useComponent(\"main\")\n .pipe(\n map(main => getElement(\"h1, h2, h3, h4, h5, h6\", main)!),\n filter(hx => typeof hx !== \"undefined\"),\n switchMap(hx => watchViewportAt(hx, { header$, viewport$ })\n .pipe(\n map(({ offset: { y } }) => y >= hx.offsetHeight),\n paintHeaderTitle(el)\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 { resetHeaderTitle, setHeaderTitle } from \"actions\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header title\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderTitle(\n el: HTMLElement\n): MonoTypeOperatorFunction {\n return pipe(\n\n /* Defer repaint to next animation frame */\n observeOn(animationFrameScheduler),\n tap(active => {\n setHeaderTitle(el, active)\n }),\n\n /* Reset on complete or error */\n finalize(() => {\n resetHeaderTitle(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\n *\n * @param el - Header title element\n * @param value - Whether the title is shown\n */\nexport function setHeaderTitle(\n el: HTMLElement, value: boolean\n): void {\n el.setAttribute(\"data-md-state\", value ? \"active\" : \"\")\n}\n\n/**\n * Reset header title\n *\n * @param el - Header element\n */\nexport function resetHeaderTitle(\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 {\n Header,\n Main,\n Viewport,\n paintHeaderShadow,\n watchMain\n} from \"observables\"\n\nimport { useComponent } from \"../_\"\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$\n .pipe(\n distinctUntilKeyChanged(\"active\"),\n paintHeaderShadow(header)\n )\n )\n )\n .subscribe()\n\n /* Return operator */\n return pipe(\n switchMap(el => watchMain(el, { header$, 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 animationFrameScheduler,\n pipe\n} from \"rxjs\"\nimport { finalize, observeOn, tap } from \"rxjs/operators\"\n\nimport { resetHeaderShadow, setHeaderShadow } from \"actions\"\n\nimport { Main } from \"../../main\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Paint header shadow\n *\n * @param el - Header element\n *\n * @return Operator function\n */\nexport function paintHeaderShadow(\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, combineLatest } from \"rxjs\"\nimport { distinctUntilChanged, map, pluck } from \"rxjs/operators\"\n\nimport { Viewport } from \"../../agent\"\nimport { Header } from \"../../header\"\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 * 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$\n .pipe(\n pluck(\"height\")\n )\n\n /* Compute the main area's visible height */\n const height$ = combineLatest([adjust$, viewport$])\n .pipe(\n map(([adjust, { offset: { y }, size: { height } }]) => {\n const top = el.offsetTop\n const bottom = el.offsetHeight + top\n return height\n - Math.max(0, top - y, adjust)\n - Math.max(0, height + y - bottom)\n }),\n map(height => Math.max(0, height)),\n distinctUntilChanged()\n )\n\n /* Compute whether the viewport offset is past the main area's top */\n const active$ = combineLatest([adjust$, viewport$])\n .pipe(\n map(([adjust, { offset: { y } }]) => y >= el.offsetTop - adjust),\n distinctUntilChanged()\n )\n\n /* Combine into a single observable */\n return combineLatest([adjust$, height$, active$])\n .pipe(\n map(([adjust, height, active]) => ({\n offset: el.offsetTop - adjust,\n height,\n active\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, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Main,\n NavigationLayer,\n Sidebar,\n Viewport,\n getElements,\n paintNavigationLayer,\n paintSidebar,\n watchNavigationLayer,\n watchSidebar\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation for [screen -]\n */\nexport interface NavigationBelowScreen {\n layer: NavigationLayer /* Active layer */\n}\n\n/**\n * Navigation for [screen +]\n */\nexport interface 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 paintSidebar(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 paintNavigationLayer(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\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 {\n resetOverflowScrolling,\n setOverflowScrolling\n} from \"actions\"\n\nimport {\n getElement,\n getElementOrThrow\n} from \"../../agent\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Navigation layer\n */\nexport interface NavigationLayer {\n prev?: HTMLElement /* Layer (previous) */\n next: HTMLElement /* Layer (next) */\n}\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 * Paint navigation layer\n *\n * @param els - Navigation elements\n *\n * @return Operator function\n */\nexport function paintNavigationLayer(\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\nimport { OperatorFunction, pipe } from \"rxjs\"\nimport {\n mapTo,\n startWith,\n switchMap,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport { setElementFocus, watchSearchReset } from \"observables\"\n\nimport { useComponent } from \"../../_\"\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","export default function _identity(x) {\n return x;\n}","import _curry1 from './internal/_curry1.js';\nimport _identity from './internal/_identity.js';\n\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 */\nvar identity = /*#__PURE__*/_curry1(_identity);\nexport default identity;","/*\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 { SearchResult } from \"integrations/search\"\nimport {\n SearchQuery,\n WorkerHandler,\n paintSearchResult,\n watchElementOffset\n} from \"observables\"\nimport {\n SearchMessage,\n isSearchResultMessage\n} from \"workers\"\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 /* Paint search results */\n return rx$\n .pipe(\n filter(isSearchResultMessage),\n pluck(\"data\"),\n paintSearchResult(el, { query$, 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 {\n Observable,\n OperatorFunction,\n combineLatest,\n of,\n pipe\n} from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n AnchorList,\n Header,\n Main,\n Sidebar,\n Viewport,\n getElements,\n paintAnchorList,\n paintSidebar,\n watchAnchorList,\n watchSidebar\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Table of contents for [tablet -]\n */\nexport interface TableOfContentsBelowTablet {} // tslint:disable-line\n\n/**\n * Table of contents for [tablet +]\n */\nexport interface 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$\n .pipe(\n switchMap(tablet => {\n\n /* [tablet +]: Mount table of contents in sidebar */\n if (tablet) {\n const els = getElements(\".md-nav__link\", el)\n\n /* Watch and paint sidebar */\n const sidebar$ = watchSidebar(el, { main$, viewport$ })\n .pipe(\n paintSidebar(el, { header$ })\n )\n\n /* Watch and paint anchor list (scroll spy) */\n const anchors$ = watchAnchorList(els, { header$, viewport$ })\n .pipe(\n paintAnchorList(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 { difference, reverse } from \"ramda\"\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 scan,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport {\n resetAnchorActive,\n resetAnchorBlur,\n setAnchorActive,\n setAnchorBlur\n} from \"actions\"\n\nimport { Viewport, getElement } from \"../agent\"\nimport { Header } from \"../header\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Anchor list\n */\nexport interface AnchorList {\n prev: HTMLAnchorElement[][] /* Anchors (previous) */\n next: HTMLAnchorElement[][] /* Anchors (next) */\n}\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$\n .pipe(\n map(header => 18 + header.height)\n )\n\n /* Compute partition of previous and next anchors */\n const partition$ = viewport$\n .pipe(\n distinctUntilKeyChanged(\"size\"),\n\n /* Build index to map anchor paths to vertical offsets */\n map(() => {\n let path: HTMLAnchorElement[] = []\n return [...table].reduce((index, [anchor, target]) => {\n while (path.length) {\n const last = table.get(path[path.length - 1])!\n if (last.tagName >= target.tagName) {\n path.pop()\n } else {\n break\n }\n }\n\n /* If the current anchor is hidden, continue with its parent */\n let offset = target.offsetTop\n while (!offset && target.parentElement) {\n target = target.parentElement\n offset = target.offsetTop\n }\n\n /* Map reversed anchor path to vertical offset */\n return index.set(\n reverse(path = [...path, anchor]),\n offset\n )\n }, new Map())\n }),\n\n /* Re-compute partition when viewport offset changes */\n switchMap(index => combineLatest(adjust$, 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 scan((a, b) => {\n const begin = Math.max(0, Math.min(b.prev.length, a.prev.length) - 1)\n const end = Math.max(b.prev.length, a.prev.length)\n return {\n prev: b.prev.slice(begin, end + 1),\n next: difference(b.next, a.next)\n }\n }, { prev: [], next: [] })\n )\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Paint anchor list\n *\n * @param els - Anchor elements\n *\n * @return Operator function\n */\nexport function paintAnchorList(\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 for (const [index, [el]] of prev.entries()) {\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 } from \"rxjs\"\nimport {\n filter,\n map,\n share,\n switchMap,\n withLatestFrom\n} from \"rxjs/operators\"\n\nimport { useComponent } from \"components\"\nimport {\n Key,\n getActiveElement,\n getElement,\n getElements,\n isSusceptibleToKeyboard,\n setElementFocus,\n setToggle,\n useToggle,\n watchKeyboard,\n watchToggle\n} from \"observables\"\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 * Setup keyboard\n *\n * This function will setup 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 toggle$ = useToggle(\"search\")\n const search$ = toggle$\n .pipe(\n switchMap(watchToggle)\n )\n\n /* Setup keyboard and determine mode */\n const keyboard$ = watchKeyboard()\n .pipe(\n withLatestFrom(search$),\n map(([key, toggle]): Keyboard => ({\n mode: toggle ? \"search\" : \"global\",\n ...key\n })),\n share()\n )\n\n /* Setup search keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => mode === \"search\"),\n withLatestFrom(\n toggle$,\n useComponent(\"search-query\"),\n useComponent(\"search-result\")\n )\n )\n .subscribe(([key, toggle, query, result]) => {\n const active = getActiveElement()\n switch (key.type) {\n\n /* Enter: prevent form submission */\n case \"Enter\":\n if (active === query)\n key.claim()\n break\n\n /* Escape or Tab: close search */\n case \"Escape\":\n case \"Tab\":\n setToggle(toggle, false)\n setElementFocus(query, false)\n break\n\n /* Vertical arrows: select previous or next search result */\n case \"ArrowUp\":\n case \"ArrowDown\":\n if (typeof active === \"undefined\") {\n setElementFocus(query)\n } else {\n const els = [query, ...getElements(\"[href]\", result)]\n const i = Math.max(0, (\n Math.max(0, els.indexOf(active)) + els.length + (\n key.type === \"ArrowUp\" ? -1 : +1\n )\n ) % els.length)\n setElementFocus(els[i])\n }\n\n /* Prevent scrolling of page */\n key.claim()\n break\n\n /* All other keys: hand to search query */\n default:\n if (query !== getActiveElement())\n setElementFocus(query)\n }\n })\n\n /* Setup global keyboard handlers */\n keyboard$\n .pipe(\n filter(({ mode }) => {\n if (mode === \"global\") {\n const active = getActiveElement()\n if (typeof active !== \"undefined\")\n return !isSusceptibleToKeyboard(active)\n }\n return false\n }),\n withLatestFrom(useComponent(\"search-query\"))\n )\n .subscribe(([key, query]) => {\n switch (key.type) {\n\n /* Open search */\n case \"f\":\n case \"s\":\n setElementFocus(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 { 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) {\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 { NEVER, Observable } from \"rxjs\"\nimport { catchError, map, switchMap, take } from \"rxjs/operators\"\n\nimport { getElementOrThrow, getElements } from \"observables\"\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 * Setup options\n */\ninterface SetupOptions {\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$ }: SetupOptions\n): void {\n document$\n .pipe(\n map(() => getElementOrThrow(\".md-source[href]\")),\n take(1),\n switchMap(({ href }) => (\n cache(`${hash(href)}`, () => fetchSourceFacts(href))\n )),\n catchError(() => NEVER)\n )\n .subscribe(facts => {\n for (const el of getElements(\".md-source__repository\")) {\n el.setAttribute(\"data-md-state\", \"done\")\n el.appendChild(renderSource(facts))\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// TODO: remove this after we finished refactoring\n// tslint:disable\n\nimport \"../stylesheets/app.scss\"\nimport \"../stylesheets/app-palette.scss\"\n\nimport { values } from \"ramda\"\nimport {\n merge,\n combineLatest,\n animationFrameScheduler,\n fromEvent,\n of,\n NEVER,\n race\n} from \"rxjs\"\nimport {\n delay,\n switchMap,\n tap,\n filter,\n withLatestFrom,\n observeOn,\n take,\n mapTo,\n shareReplay,\n sample,\n share,\n map,\n pluck,\n switchMapTo,\n throttleTime,\n debounceTime,\n distinctUntilKeyChanged,\n distinctUntilChanged\n} from \"rxjs/operators\"\n\nimport {\n watchToggle,\n setToggle,\n getElements,\n getLocation,\n watchMedia,\n watchDocument,\n watchLocation,\n watchLocationHash,\n watchViewport,\n setupToggles,\n useToggle,\n getElement,\n setViewportOffset,\n ViewportOffset\n} from \"./observables\"\nimport { setupSearchWorker } from \"./workers\"\n\nimport { setScrollLock, resetScrollLock } from \"actions\"\nimport {\n mountHeader,\n mountHero,\n mountMain,\n mountNavigation,\n mountSearch,\n mountTableOfContents,\n mountTabs,\n useComponent,\n setupComponents,\n mountHeaderTitle,\n mountSearchQuery,\n mountSearchReset,\n mountSearchResult\n} from \"components\"\nimport { setupClipboard } from \"./integrations/clipboard\"\nimport { setupKeyboard } from \"./integrations/keyboard\"\nimport {\n patchTables,\n patchDetails,\n patchScrollfix,\n patchSource\n} from \"patches\"\nimport { isConfig } from \"utilities\"\nimport { setupDialog } from \"integrations/dialog\"\n\n/* ------------------------------------------------------------------------- */\n\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 * 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: ${JSON.stringify(config)}`)\n\n /* Setup user interface observables */\n const location$ = watchLocation()\n const hash$ = watchLocationHash()\n const viewport$ = watchViewport()\n const tablet$ = watchMedia(\"(min-width: 960px)\")\n const screen$ = watchMedia(\"(min-width: 1220px)\")\n\n /* Setup document observable */\n const document$ = config.feature.instant\n ? watchDocument({ location$ })\n : watchDocument()\n\n /* Setup toggle bindings */\n setupToggles([\n \"drawer\", /* Toggle for drawer */\n \"search\" /* Toggle for search */\n ], { document$ })\n\n /* Setup component bindings */\n setupComponents([\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 \"tabs\", /* Tabs */\n \"toc\" /* Table of contents */\n ], { document$ })\n\n /* ----------------------------------------------------------------------- */\n\n const worker = setupSearchWorker(config.worker.search, {\n base: config.base\n })\n\n /* ----------------------------------------------------------------------- */\n\n /* Create header observable */\n const header$ = useComponent(\"header\")\n .pipe(\n mountHeader({ 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 /* Mount search query */\n const query$ = useComponent(\"search-query\")\n .pipe(\n mountSearchQuery(worker),\n shareReplay(1) // TODO: this must be put onto EVERY component!\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 const navigation$ = useComponent(\"navigation\")\n .pipe(\n mountNavigation({ header$, main$, viewport$, screen$ }),\n shareReplay(1)\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 const title$ = useComponent(\"header-title\")\n .pipe(\n mountHeaderTitle({ header$, viewport$ }),\n shareReplay(1)\n )\n\n /* ----------------------------------------------------------------------- */\n\n const keyboard$ = setupKeyboard()\n\n patchTables({ document$ })\n patchDetails({ document$, hash$ })\n patchSource({ document$ })\n\n /* Force 1px scroll offset to trigger overflow scrolling */\n if (navigator.userAgent.match(/(iPad|iPhone|iPod)/g))\n patchScrollfix({ document$ })\n\n /* Setup clipboard and dialog */\n const dialog$ = setupDialog()\n const clipboard$ = setupClipboard({ document$, dialog$ })\n\n /* ----------------------------------------------------------------------- */\n\n // Close drawer and search on hash change\n // put into navigation...\n hash$.subscribe(x => {\n useToggle(\"drawer\").subscribe(el => {\n setToggle(el, false)\n })\n })\n\n // put into search...\n hash$\n .pipe(\n switchMap(hash => useToggle(\"search\")\n .pipe(\n filter(x => x.checked), // only active\n tap(toggle => setToggle(toggle, false)),\n delay(125), // ensure that it runs after the body scroll reset...\n mapTo(hash)\n )\n )\n )\n .subscribe(hash => {\n getElement(`[id=\"${hash}\"]`)!.scrollIntoView()\n })\n\n // Scroll lock // document -> document$ => { body } !?\n // put into search...\n const toggle$ = useToggle(\"search\")\n combineLatest([\n toggle$.pipe(switchMap(watchToggle)),\n tablet$,\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), // TOOD: directly combine this with the hash!\n observeOn(animationFrameScheduler),\n tap(({ body }) => active\n ? setScrollLock(body, y)\n : resetScrollLock(body)\n )\n )\n })\n )\n .subscribe()\n\n /* ----------------------------------------------------------------------- */\n\n /**\n * Location change\n */\n interface LocationChange {\n url: URL // TODO: use URL!?\n data?: ViewportOffset\n }\n\n function isInternalLink(el: HTMLAnchorElement | URL) {\n return el.hostname === location.hostname\n }\n\n function isAnchorLink(el: HTMLAnchorElement | URL) {\n return el.hash.length > 0\n }\n\n function compareLocationChange(\n { url: a }: LocationChange, { url: b }: LocationChange\n ) {\n return a.href === b.href\n }\n\n // instant loading\n if (config.feature.instant) {\n\n /* Disable automatic scroll restoration, as it doesn't work nicely */\n if (\"scrollRestoration\" in history)\n history.scrollRestoration = \"manual\"\n\n /* Resolve relative links for stability */\n for (const selector of [\n `link[rel=\"shortcut icon\"]`,\n `link[rel=\"stylesheet\"]`\n ])\n for (const el of getElements(selector))\n el.href = el.href\n\n /* Intercept internal link clicks */\n const internal$ = 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 && isInternalLink(el)) {\n if (!isAnchorLink(el))\n ev.preventDefault()\n return of(el.href)\n }\n }\n return NEVER\n }),\n distinctUntilChanged(),\n map(href => ({ url: new URL(href) })),\n share()\n )\n\n /* Intercept internal links to dispatch */\n const dispatch$ = internal$\n .pipe(\n filter(({ url }) => !isAnchorLink(url)),\n share()\n )\n\n /* Intercept popstate events (history back and forward) */\n const popstate$ = fromEvent(window, \"popstate\")\n .pipe(\n map(ev => ({\n url: new URL(getLocation()),\n data: ev.state\n })),\n share()\n )\n\n /* Emit location change */\n merge(dispatch$, popstate$)\n .pipe(\n pluck(\"url\")\n )\n .subscribe(location$)\n\n /* Add dispatched link to history */\n internal$\n .pipe(\n distinctUntilChanged(compareLocationChange),\n filter(({ url }) => !isAnchorLink(url))\n )\n .subscribe(({ url }) => {\n console.log(`History.Push ${url}`)\n history.pushState({}, \"\", url.toString())\n })\n\n /* Adjust viewport offset in history before hash change */\n viewport$\n .pipe(\n debounceTime(250),\n distinctUntilKeyChanged(\"offset\"),\n )\n .subscribe(({ offset }) => {\n console.log(\"Update\", offset)\n history.replaceState(offset, \"\")\n })\n\n // /* Edge case: go back from anchor to same\n // // // TODO: better to just replace the state when this is encountered.\n // // pop$\n // // .pipe(\n // // filter(({ href }) => !/#/.test(href)) // TODO: kind of sucks\n // // )\n // // .subscribe(({ data }) => {\n // // // console.log(\"Detected\", data) // detects too much...\n // // setViewportOffset(data || { y: 0 }) // TOOD: must wait for document sample!\n // // })\n\n /* */\n merge(dispatch$, popstate$)\n .pipe(\n sample(document$),\n withLatestFrom(document$),\n )\n .subscribe(([{ url: href, data }, { title, head }]) => {\n console.log(\"Done\", href.href, data)\n\n // setDocumentTitle\n document.title = title\n\n // replace meta tags\n for (const selector of [\n `link[rel=\"canonical\"]`,\n `meta[name=\"author\"]`,\n `meta[name=\"description\"]`\n ]) {\n const next = getElement(selector, head)\n const prev = getElement(selector, document.head)\n if (\n typeof next !== \"undefined\" &&\n typeof prev !== \"undefined\"\n ) {\n prev.replaceWith(next)\n }\n }\n\n // // TODO: this doesnt work as expected\n // if (!data) {\n // const { hash } = new URL(href)\n // if (hash) {\n // const el = getElement(hash)\n // if (typeof el !== \"undefined\") {\n // el.scrollIntoView()\n // return\n // }\n // }\n // }\n\n // console.log(ev)\n // if (!data)\n setViewportOffset(data || { y: 0 }) // push state!\n })\n\n // internal$.subscribe(({ url }) => {\n // console.log(`Internal ${url}`)\n // })\n\n // dispatch$.subscribe(({ url }) => {\n // console.log(`Push ${url}`)\n // })\n\n popstate$.subscribe(({ url }) => {\n console.log(`Pop ${url}`)\n })\n }\n\n /* ----------------------------------------------------------------------- */\n\n // if we use a single tab outside of search, unhide all permalinks.\n // TODO: experimental. necessary!?\n keyboard$\n .pipe(\n filter(key => key.mode === \"global\" && [\"Tab\"].includes(key.type)),\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 search$,\n clipboard$,\n location$,\n hash$,\n keyboard$,\n dialog$,\n main$,\n navigation$,\n toc$,\n tabs$,\n hero$,\n title$ // TODO: header title\n }\n\n const { ...rest } = state\n merge(...values(rest))\n .subscribe() // potential memleak <-- use takeUntil\n\n return {\n // agent,\n state\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 * Configuration\n */\nexport interface Config {\n base: string /* Base URL */\n worker: {\n search: string /* Search worker URL */\n }\n feature: {\n instant: true /* Instant loading */\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.worker === \"object\"\n && typeof config.worker.search === \"string\"\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 withLatestFrom\n} from \"rxjs/operators\"\n\nimport {\n SearchQuery,\n WorkerHandler,\n setToggle,\n useToggle,\n watchSearchQuery\n} from \"observables\"\nimport {\n SearchMessage,\n SearchMessageType,\n SearchQueryMessage\n} from \"workers\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n transform?(value: string): string /* 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 const toggle$ = useToggle(\"search\")\n return pipe(\n switchMap(el => {\n const query$ = watchSearchQuery(el, options)\n\n /* Subscribe worker to search query */\n query$\n .pipe(\n distinctUntilKeyChanged(\"value\"),\n map(({ value }) => ({\n type: SearchMessageType.QUERY,\n data: value\n }))\n )\n .subscribe(tx$.next.bind(tx$))\n\n /* Toggle search on focus */\n query$\n .pipe(\n distinctUntilKeyChanged(\"focus\"),\n withLatestFrom(toggle$)\n )\n .subscribe(([{ focus }, toggle]) => {\n if (focus)\n setToggle(toggle, focus)\n })\n\n /* Return search query */\n return query$\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, OperatorFunction, combineLatest, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport { SearchResult } from \"integrations/search\"\nimport { SearchQuery } from \"observables\"\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$])\n .pipe(\n map(([query, result]) => ({ query, result }))\n )\n )\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, OperatorFunction, of, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n paintHideable,\n watchViewportAt\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Types\n * ------------------------------------------------------------------------- */\n\n/**\n * Tabs\n */\nexport interface Tabs {\n hidden: boolean /* Whether the tabs are hidden */\n}\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n header$: 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$\n .pipe(\n switchMap(screen => {\n\n /* Mount tabs above screen breakpoint */\n if (screen) {\n return watchViewportAt(el, { header$, viewport$ })\n .pipe(\n paintHideable(el, 10),\n map(hidden => ({ hidden }))\n )\n\n /* Mount 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 { Observable, OperatorFunction, pipe } from \"rxjs\"\nimport { map, switchMap } from \"rxjs/operators\"\n\nimport {\n Header,\n Viewport,\n paintHideable,\n watchViewportAt\n} from \"observables\"\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 paintHideable(el, 20),\n map(hidden => ({ hidden }))\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 { getElements } from \"observables\"\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 = document.createElement(\"table\")\n document$\n .pipe(\n map(() => getElements(\"table:not([class])\"))\n )\n .subscribe(els => {\n for (const el of els) {\n el.replaceWith(sentinel)\n sentinel.replaceWith(renderTable(el))\n }\n })\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { identity } from \"ramda\"\nimport { Observable, fromEvent, merge } from \"rxjs\"\nimport {\n filter,\n map,\n switchMapTo,\n tap\n} from \"rxjs/operators\"\n\nimport {\n getElement,\n getElements,\n watchMedia\n} from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n hash$: Observable /* Location hash observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all `details` elements\n *\n * This function will ensure that all `details` tags are opened prior to\n * printing, so the whole content of the page is included.\n *\n * @param options - Options\n */\nexport function patchDetails(\n { document$, hash$ }: MountOptions\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, fromEvent, merge } from \"rxjs\"\nimport { map, mapTo, switchMap } from \"rxjs/operators\"\n\nimport { getElements } from \"observables\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Mount options\n */\ninterface MountOptions {\n document$: Observable /* Document observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Patch all elements with `data-md-scrollfix` attributes\n *\n * This is a year-old patch which ensures that overflow scrolling works at the\n * top and bottom of containers on iOS by ensuring a `1px` scroll offset upon\n * the start of a touch event.\n *\n * @see https://bit.ly/2SCtAOO - Original source\n *\n * @param options - Options\n */\nexport function patchScrollfix(\n { document$ }: MountOptions\n): void {\n document$\n .pipe(\n map(() => getElements(\"[data-md-scrollfix]\")),\n switchMap(els => merge(...els.map(el => (\n fromEvent(el, \"touchstart\")\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 { Subject, animationFrameScheduler } from \"rxjs\"\nimport {\n delay,\n map,\n observeOn,\n switchMap,\n tap\n} from \"rxjs/operators\"\n\nimport { useComponent } from \"components\"\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 * Setup 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 = document.createElement(\"div\") // TODO: improve scoping\n dialog.classList.add(\"md-dialog\", \"md-typeset\")\n\n /* Display dialog */\n dialog$\n .pipe(\n switchMap(text => useComponent(\"container\")\n .pipe(\n map(container => container.appendChild(dialog)),\n observeOn(animationFrameScheduler),\n delay(1), // Strangley it doesnt work when we push things to the new animation frame...\n tap(el => {\n el.innerHTML = text\n el.setAttribute(\"data-md-state\", \"open\")\n }),\n delay(duration || 2000),\n tap(el => el.removeAttribute(\"data-md-state\")),\n delay(400),\n tap(el => {\n el.innerHTML = \"\"\n el.remove()\n })\n )\n )\n )\n .subscribe()\n\n /* Return dialog subject */\n return dialog$\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 * as ClipboardJS from \"clipboard\"\nimport { NEVER, Observable, Subject, fromEventPattern } from \"rxjs\"\nimport { mapTo, share, tap } from \"rxjs/operators\"\n\nimport { getElements } from \"observables\"\nimport { renderClipboard } 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 * Setup 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$\n .subscribe(() => {\n const blocks = getElements(\"pre > code\")\n for (const [index, block] of blocks.entries()) {\n const parent = block.parentElement!\n parent.id = `__code_${index}`\n parent.insertBefore(renderClipboard(parent.id), block)\n }\n })\n\n /* Initialize and setup 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"],"sourceRoot":""} \ No newline at end of file diff --git a/material/assets/manifest.json b/material/assets/manifest.json index 9a6612390..dcc95d054 100644 --- a/material/assets/manifest.json +++ b/material/assets/manifest.json @@ -1,6 +1,6 @@ { - "assets/javascripts/bundle.js": "assets/javascripts/bundle.dcf1ce56.min.js", - "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.dcf1ce56.min.js.map", + "assets/javascripts/bundle.js": "assets/javascripts/bundle.14f179c1.min.js", + "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.14f179c1.min.js.map", "assets/javascripts/worker/search.js": "assets/javascripts/worker/search.926ffd9e.min.js", "assets/javascripts/worker/search.js.map": "assets/javascripts/worker/search.926ffd9e.min.js.map", "assets/stylesheets/app-palette.scss": "assets/stylesheets/app-palette.3f90c815.min.css", diff --git a/material/base.html b/material/base.html index 67a01195d..6febf74dd 100644 --- a/material/base.html +++ b/material/base.html @@ -190,7 +190,7 @@ {% endblock %} {% block scripts %} - + {%- set translations = {} -%} {%- for key in [ "clipboard.copy", diff --git a/src/assets/javascripts/index.ts b/src/assets/javascripts/index.ts index c656bec8a..54862a8f8 100644 --- a/src/assets/javascripts/index.ts +++ b/src/assets/javascripts/index.ts @@ -51,7 +51,8 @@ import { pluck, debounceTime, distinctUntilKeyChanged, - distinctUntilChanged + distinctUntilChanged, + bufferCount } from "rxjs/operators" import { @@ -310,7 +311,7 @@ export function initialize(config: unknown) { /** * Location change */ - interface LocationChange { + interface State { url: URL // TODO: use URL!? data?: ViewportOffset } @@ -323,8 +324,8 @@ export function initialize(config: unknown) { return el.hash.length > 0 } - function compareLocationChange( - { url: a }: LocationChange, { url: b }: LocationChange + function compareState( + { url: a }: State, { url: b }: State ) { return a.href === b.href } @@ -360,7 +361,7 @@ export function initialize(config: unknown) { return NEVER }), distinctUntilChanged(), - map(href => ({ url: new URL(href) })), + map(href => ({ url: new URL(href) })), share() ) @@ -374,8 +375,9 @@ export function initialize(config: unknown) { /* Intercept popstate events (history back and forward) */ const popstate$ = fromEvent(window, "popstate") .pipe( - map(ev => ({ - url: new URL(getLocation()), + filter(ev => ev.state !== null), + map(ev => ({ + url: new URL(location.href), data: ev.state })), share() @@ -391,7 +393,8 @@ export function initialize(config: unknown) { /* Add dispatched link to history */ internal$ .pipe( - distinctUntilChanged(compareLocationChange), + // TODO: must start with the current location and ignore the first emission + distinctUntilChanged(compareState), filter(({ url }) => !isAnchorLink(url)) ) .subscribe(({ url }) => { @@ -399,6 +402,41 @@ export function initialize(config: unknown) { history.pushState({}, "", url.toString()) }) + // special case + merge(internal$, popstate$) + .pipe( + bufferCount(2, 1), + // filter(([prev, next]) => { + // return prev.url.href.match(next.url.href) !== null + // && isAnchorLink(prev.url) + // }) + ) + .subscribe(([prev, next]) => { + console.log(`<- ${prev.url}`) + console.log(`-> ${next.url}`) + + if ( + prev.url.href.match(next.url.href) !== null && + isAnchorLink(prev.url) + ) { + dialog$.next(`Potential Candidate: ${JSON.stringify(next.data)}`, ) // awesome debugging. + setViewportOffset(next.data || { y: 0 }) + } + // console.log("Potential Candidate") + }) + // .subscribe((x) => console.log(x[0].url.toString(), x[1].url.toString())) + // filter(([prev, next]) => { + // return prev.url.href.match(next.url.href) !== null + // && isAnchorLink(prev.url) + // }), + // map(([, next]) => next) + // // distinctUntilChanged(compareLocationChange), + // // filter(({ url }) => !isAnchorLink(url)) + // ) + // .subscribe(({ url }) => { + // console.log(`Restore ${url}`) + // }) + /* Persist viewport offset in history before hash change */ viewport$ .pipe( @@ -406,29 +444,18 @@ export function initialize(config: unknown) { distinctUntilKeyChanged("offset"), ) .subscribe(({ offset }) => { - console.log("Update", offset) + // console.log("Update", offset) history.replaceState(offset, "") }) - // /* Edge case: go back from anchor to same - // // // TODO: better to just replace the state when this is encountered. - // // pop$ - // // .pipe( - // // filter(({ href }) => !/#/.test(href)) // TODO: kind of sucks - // // ) - // // .subscribe(({ data }) => { - // // // console.log("Detected", data) // detects too much... - // // setViewportOffset(data || { y: 0 }) // TOOD: must wait for document sample! - // // }) - /* */ merge(dispatch$, popstate$) .pipe( sample(document$), withLatestFrom(document$), ) - .subscribe(([{ url: href, data }, { title, head }]) => { - console.log("Done", href.href, data) + .subscribe(([{ url, data }, { title, head }]) => { + console.log("Done", url.href, data) // setDocumentTitle document.title = title @@ -471,11 +498,11 @@ export function initialize(config: unknown) { // }) // dispatch$.subscribe(({ url }) => { - // console.log(`Push ${url}`) + // console.log(`Dispatch ${url}`) // }) popstate$.subscribe(({ url }) => { - console.log(`Pop ${url}`) + console.log(`Popstate ${url.href}`, url) }) } diff --git a/src/assets/javascripts/observables/agent/document/switch/index.ts b/src/assets/javascripts/observables/agent/document/switch/index.ts index 84f200844..535eda92f 100644 --- a/src/assets/javascripts/observables/agent/document/switch/index.ts +++ b/src/assets/javascripts/observables/agent/document/switch/index.ts @@ -24,9 +24,7 @@ import { NEVER, Observable } from "rxjs" import { ajax } from "rxjs/ajax" import { catchError, - distinctUntilChanged, - filter, - map, + distinctUntilKeyChanged, pluck, share, skip, @@ -54,7 +52,7 @@ interface WatchOptions { /** * Watch document switch * - * This function returns an observables that fetches a document if the provided + * This function returns an observables that fetches a document if the provided // TODO: update docs * location observable emits a new value (i.e. URL). If the emitted URL points * to the same page, the request is effectively ignored (i.e. when only the * fragment identifier changes). @@ -70,22 +68,20 @@ export function watchDocumentSwitch( ): Observable { return location$ .pipe( - startWith(location), // TODO: getLocation should return URL or Location - filter(url => url.hash.length === 0), // use isAnchorLink - map(url => url.href), - distinctUntilChanged(), + startWith(location), // TODO: getLocation should return URL or Location + distinctUntilKeyChanged("pathname"), skip(1), /* Fetch document */ switchMap(url => ajax({ - url, + url: url.href, responseType: "document", withCredentials: true }) .pipe( pluck("response"), catchError(() => { - setLocation(url) + setLocation(url.href) // TODO: setLocation should accept URL or location return NEVER }) )