diff --git a/material/.icons/material/access-point-network-off.svg b/material/.icons/material/access-point-network-off.svg
index e17ad0d3d..2a088c846 100644
--- a/material/.icons/material/access-point-network-off.svg
+++ b/material/.icons/material/access-point-network-off.svg
@@ -1 +1 @@
-\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 } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Retrieve location\n *\n * This function will return a `URL` object (and not `Location`) in order to\n * normalize typings across the application. Furthermore, locations need to be\n * tracked without setting them and `Location` is a singleton which represents\n * the current location.\n *\n * @return URL\n */\nexport function getLocation(): URL {\n return new URL(location.href)\n}\n\n/**\n * Set location\n *\n * @param url - URL to change to\n */\nexport function setLocation(url: URL): void {\n location.href = url.href\n}\n\n/* ------------------------------------------------------------------------- */\n\n/**\n * Watch location\n *\n * @return Location subject\n */\nexport function watchLocation(): Subject {\n return new Subject()\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 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$: Observable /* Location observable */\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch document switch\n *\n * This function returns an observables that fetches a document if the provided // TODO: update docs\n * location observable emits a new value (i.e. URL). If the emitted URL points\n * to the same page, the request is effectively ignored (i.e. when only the\n * fragment identifier changes).\n *\n * In case the request fails, the location change is dispatched regularly.\n *\n * @param options - Options\n *\n * @return Document switch observable\n */\nexport function watchDocumentSwitch(\n { location$ }: WatchOptions\n): Observable {\n return location$\n .pipe(\n startWith(getLocation()),\n distinctUntilKeyChanged(\"pathname\"),\n skip(1),\n\n /* Fetch document */\n switchMap(url => ajax({\n url: url.href,\n responseType: \"document\",\n withCredentials: true\n })\n .pipe(\n pluck(\"response\"),\n catchError(() => {\n setLocation(url)\n return NEVER\n })\n )\n ),\n share()\n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { NEVER, Observable, fromEvent, merge } from \"rxjs\"\nimport { mapTo, shareReplay } from \"rxjs/operators\"\n\nimport { watchDocumentSwitch } from \"../switch\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Watch options\n */\ninterface WatchOptions {\n location$?: 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 * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * Global augmentations\n */\ndeclare global {\n interface CSSStyleDeclaration {\n webkitOverflowScrolling: \"touch\" | \"\"\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Set overflow scrolling\n *\n * @param el - Scrollable element\n */\nexport function setOverflowScrolling(\n el: HTMLElement\n): void {\n el.style.webkitOverflowScrolling = \"touch\"\n}\n\n/**\n * Reset overflow scrolling\n *\n * @param el - Scrollable element\n */\nexport function resetOverflowScrolling(\n el: HTMLElement\n): void {\n el.style.webkitOverflowScrolling = \"\"\n}\n\n/* ------------------------------------------------------------------------- */\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\n// tslint:disable no-null-keyword\n\nimport { JSX as JSXInternal } from \"preact\"\nimport { keys } from \"ramda\"\n\n/* ----------------------------------------------------------------------------\n * Helper types\n * ------------------------------------------------------------------------- */\n\n/**\n * HTML and SVG attributes\n */\ntype Attributes =\n & JSXInternal.HTMLAttributes\n & JSXInternal.SVGAttributes\n & Record\n\n/**\n * Child element\n */\ntype Child =\n | HTMLElement\n | SVGElement\n | Text\n | string\n | number\n\n/* ----------------------------------------------------------------------------\n * Helper functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Create an element\n *\n * @param tag - HTML or SVG tag\n *\n * @return Element\n */\nfunction createElement(tag: string): HTMLElement | SVGElement {\n switch (tag) {\n\n /* SVG elements */\n case \"svg\":\n case \"path\":\n return document.createElementNS(\"http://www.w3.org/2000/svg\", tag)\n\n /* HTML elements */\n default:\n return document.createElement(tag)\n }\n}\n\n/**\n * Set an attribute\n *\n * @param el - Element\n * @param name - Attribute name\n * @param value - Attribute value\n */\nfunction setAttribute(\n el: HTMLElement | SVGElement, name: string, value: string) {\n switch (name) {\n\n /* Attributes to be ignored */\n case \"xmlns\":\n break\n\n /* Attributes of SVG elements */\n case \"viewBox\":\n case \"d\":\n if (typeof value !== \"boolean\")\n el.setAttributeNS(null, name, value)\n else if (value)\n el.setAttributeNS(null, name, \"\")\n break\n\n /* Attributes of HTML elements */\n default:\n if (typeof value !== \"boolean\")\n el.setAttribute(name, value)\n else if (value)\n el.setAttribute(name, \"\")\n }\n}\n\n/**\n * Append a child node to an element\n *\n * @param el - Element\n * @param child - Child node(s)\n */\nfunction appendChild(\n el: HTMLElement | SVGElement, child: Child | Child[]\n): void {\n\n /* Handle primitive types (including raw HTML) */\n if (typeof child === \"string\" || typeof child === \"number\") {\n el.innerHTML += child.toString()\n\n /* Handle nodes */\n } else if (child instanceof Node) {\n el.appendChild(child)\n\n /* Handle nested children */\n } else if (Array.isArray(child)) {\n for (const node of child)\n appendChild(el, node)\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * JSX factory\n *\n * @param tag - HTML or SVG 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 | SVGElement {\n const el = createElement(tag)\n\n /* Set attributes, if any */\n if (attributes)\n for (const attr of keys(attributes))\n setAttribute(el, attr, attributes[attr])\n\n /* Append child nodes */\n for (const child of children)\n appendChild(el, child)\n\n /* Return element */\n return el\n}\n\n/* ----------------------------------------------------------------------------\n * Namespace\n * ------------------------------------------------------------------------- */\n\nexport declare namespace h {\n namespace JSX {\n type Element = HTMLElement | SVGElement\n type IntrinsicElements = JSXInternal.IntrinsicElements\n }\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { Observable, defer, of } from \"rxjs\"\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Cache the last value emitted by an observable in session storage\n *\n * If the key is not found in session storage, the factory is executed and the\n * latest value emitted will automatically be persisted to sessions storage.\n * Note that the values emitted by the returned observable must be serializable\n * as `JSON`, or data will be lost.\n *\n * @template T - Value type\n *\n * @param key - Cache key\n * @param factory - Observable factory\n *\n * @return Value observable\n */\nexport function cache(\n key: string, factory: () => Observable\n): Observable {\n return defer(() => {\n const data = sessionStorage.getItem(key)\n if (data) {\n return of(JSON.parse(data) as T)\n\n /* Retrieve value from observable factory and write to storage */\n } else {\n const value$ = factory()\n value$\n .subscribe(value => {\n try {\n sessionStorage.setItem(key, JSON.stringify(value))\n } catch (err) {\n /* Uncritical, just swallow */\n }\n })\n\n /* Return value */\n return value$\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) {\n const path = require(\"material-design-icons-svg/paths/content-copy.json\")\n return (\n \n \n \n \n )\n}\n","/*\n * Copyright (c) 2016-2020 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport { SearchResult } from \"integrations/search\"\nimport { h, truncate } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n item: \"md-search-result__item\",\n link: \"md-search-result__link\",\n article: \"md-search-result__article md-search-result__article--document\",\n section: \"md-search-result__article\",\n title: \"md-search-result__title\",\n teaser: \"md-search-result__teaser\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a search result\n *\n * @param result - Search result\n *\n * @return Element\n */\nexport function renderSearchResult(\n { article, sections }: SearchResult\n) {\n\n // create page with icon\n const path = require(\"material-design-icons-svg/paths/file-search-outline.json\")\n\n const children = [article, ...sections].map(document => {\n const { location, title, text } = document\n return (\n \n \n {!(\"parent\" in document)\n ? \n : null\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) {\n const children = facts.map(fact => (\n {fact} \n ))\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 { h } from \"utilities\"\n\n/* ----------------------------------------------------------------------------\n * Data\n * ------------------------------------------------------------------------- */\n\n/**\n * CSS classes\n */\nconst css = {\n wrapper: \"md-typeset__scrollwrap\",\n table: \"md-typeset__table\"\n}\n\n/* ----------------------------------------------------------------------------\n * Functions\n * ------------------------------------------------------------------------- */\n\n/**\n * Render a table inside a wrapper to improve scrolling on mobile\n *\n * @param table - Table element\n *\n * @return Element\n */\nexport function renderTable(\n table: HTMLTableElement\n) {\n return (\n \n )\n}\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 // TODO: search doesnt stay stable in-between locations\n const path = location.pathname\n .replace(origin.pathname, \"\")\n .replace(/[^\\/]+/g, \"..\") // getRelativeLocation\n // console.log(location.pathname, origin.pathname, path)\n console.log(origin, location, path, paths)\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 console.log(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 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) // shareReplay because there might be late subscribers\n )\n\n const toc$ = useComponent(\"toc\")\n .pipe(\n mountTableOfContents({ header$, main$, viewport$, tablet$ }),\n shareReplay(1)\n )\n\n const tabs$ = useComponent(\"tabs\")\n .pipe(\n mountTabs({ header$, viewport$, screen$ }),\n shareReplay(1)\n )\n\n const hero$ = useComponent(\"hero\")\n .pipe(\n mountHero({ header$, viewport$ }),\n shareReplay(1)\n )\n\n 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 // TODO: replace with popstate?\n hash$.subscribe(() => {\n useToggle(\"drawer\").subscribe(el => {\n setToggle(el, false)\n })\n })\n\n // put into search...\n hash$\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 && /\\/[\\w-]+(\\.html)?$/i.test(el.pathname) //\n }\n\n function isAnchorLink(el: HTMLAnchorElement | URL) {\n return el.hash.length > 0\n }\n\n function compareState(\n { url: a }: State, { url: b }: State\n ) {\n return a.href === b.href\n }\n\n // instant loading\n if (config.feature.instant) {\n\n /* Disable automatic scroll restoration, as it doesn't work nicely */\n if (\"scrollRestoration\" in history)\n history.scrollRestoration = \"manual\"\n\n /* Resolve relative links for stability */\n for (const selector of [\n `link[rel=\"shortcut icon\"]`,\n `link[rel=\"stylesheet\"]`\n ])\n for (const el of getElements(selector))\n el.href = el.href\n\n /* Intercept internal link clicks */\n const internal$ = 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$)\n\n /* Add dispatched link to history */\n internal$\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.59fd537b.min.js b/material/assets/javascripts/bundle.e2cc5a44.min.js
similarity index 97%
rename from material/assets/javascripts/bundle.59fd537b.min.js
rename to material/assets/javascripts/bundle.e2cc5a44.min.js
index 37f537e41..cd8978f32 100644
--- a/material/assets/javascripts/bundle.59fd537b.min.js
+++ b/material/assets/javascripts/bundle.e2cc5a44.min.js
@@ -20,5 +20,5 @@ MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
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i(e,t),e.prototype._error=function(e){this._unsubscribe(),t.prototype._error.call(this,e)},e.prototype._complete=function(){this.connectable._isComplete=!0,this._unsubscribe(),t.prototype._complete.call(this)},e.prototype._unsubscribe=function(){var t=this.connectable;if(t){this.connectable=null;var e=t._connection;t._refCount=0,t._subject=null,t._connection=null,e&&e.unsubscribe()}},e}(xt);var pe=function(){function t(t,e){this.subjectFactory=t,this.selector=e}return t.prototype.call=function(t,e){var n=this.selector,r=this.subjectFactory(),i=n(r).subscribe(t);return i.add(e.subscribe(r)),i},t}();function de(){return new St}function ve(){return function(t){return se()((e=de,function(t){var r;if(r="function"==typeof e?e:function(){return e},"function"==typeof n)return t.lift(new pe(r,n));var i=Object.create(t,le);return i.source=t,i.subjectFactory=r,i})(t));var e,n}}function ye(){for(var 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n=s(t.match(/^.+?([^\/]*gitlab[^\/]+)\/(.+)/i),3);return function(t,e){return Ue({url:"https://"+t+"/api/v4/projects/"+encodeURIComponent(e),responseType:"json"}).pipe(Dt((function(t){return 200===t.status})),ye("response"),ut((function(t){var e=t.star_count,n=t.forks_count;return[Kn(e)+" Stars",Kn(n)+" Forks"]})))}(n[1],n[2]);default:return lt}}function qr(t){var e,r,i,a;if(!function(t){return"object"==typeof t&&"string"==typeof t.base&&"object"==typeof t.worker&&"string"==typeof t.worker.search}(t))throw new SyntaxError("Invalid configuration: "+JSON.stringify(t));var f=new St,l=at(window,"hashchange").pipe(ut(Ze),Xe(Ze()),Dt((function(t){return t.length>0})),ve()),h=Q([mt(at(window,"scroll"),at(window,"resize")).pipe(ut(ln),Xe(ln())),at(window,"resize").pipe(ut(pn),Xe(pn()))]).pipe(ut((function(t){var e=s(t,2);return{offset:e[0],size:e[1]}})),Lt(1)),p=fn("(min-width: 960px)"),d=fn("(min-width: 1220px)"),v=t.feature.instant?en({location$:f}):en();!function(t,e){var 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