9 lines
84 KiB
JavaScript
9 lines
84 KiB
JavaScript
/*!
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* reveal.js 4.2.0
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* https://revealjs.com
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* MIT licensed
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*
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* Copyright (C) 2011-2021 Hakim El Hattab, https://hakim.se
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*/
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const e=/registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,t=/fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/,i=(e,t)=>{for(let i in t)e[i]=t[i];return e},a=(e,t)=>Array.from(e.querySelectorAll(t)),n=(e,t,i)=>{i?e.classList.add(t):e.classList.remove(t)},s=e=>{if("string"==typeof e){if("null"===e)return null;if("true"===e)return!0;if("false"===e)return!1;if(e.match(/^-?[\d\.]+$/))return parseFloat(e)}return e},r=(e,t)=>{e.style.transform=t},o=(e,t)=>{let i=e.matches||e.matchesSelector||e.msMatchesSelector;return!(!i||!i.call(e,t))},l=(e,t)=>{if("function"==typeof e.closest)return e.closest(t);for(;e;){if(o(e,t))return e;e=e.parentNode}return null},d=(e,t,i,a="")=>{let n=e.querySelectorAll("."+i);for(let t=0;t<n.length;t++){let i=n[t];if(i.parentNode===e)return i}let s=document.createElement(t);return s.className=i,s.innerHTML=a,e.appendChild(s),s},c=e=>{let t=document.createElement("style");return t.type="text/css",e&&e.length>0&&(t.styleSheet?t.styleSheet.cssText=e:t.appendChild(document.createTextNode(e))),document.head.appendChild(t),t},h=()=>{let e={};location.search.replace(/[A-Z0-9]+?=([\w\.%-]*)/gi,(t=>{e[t.split("=").shift()]=t.split("=").pop()}));for(let t in e){let i=e[t];e[t]=s(unescape(i))}return void 0!==e.dependencies&&delete e.dependencies,e},u=(e,t=0)=>{if(e){let i,a=e.style.height;return e.style.height="0px",e.parentNode.style.height="auto",i=t-e.parentNode.offsetHeight,e.style.height=a+"px",e.parentNode.style.removeProperty("height"),i}return t},g=navigator.userAgent,v=document.createElement("div"),p=/(iphone|ipod|ipad|android)/gi.test(g)||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,m=/chrome/i.test(g)&&!/edge/i.test(g),f=/android/gi.test(g),b="zoom"in v.style&&!p&&(m||/Version\/[\d\.]+.*Safari/.test(g));var y={};Object.defineProperty(y,"__esModule",{value:!0});var w=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var i=arguments[t];for(var a in i)Object.prototype.hasOwnProperty.call(i,a)&&(e[a]=i[a])}return e},R=y.default=function(e){if(e){var t=function(e){return[].slice.call(e)},i=0,a=1,n=2,s=3,r=[],o=null,l="requestAnimationFrame"in e?function(){e.cancelAnimationFrame(o),o=e.requestAnimationFrame((function(){return c(r.filter((function(e){return e.dirty&&e.active})))}))}:function(){},d=function(e){return function(){r.forEach((function(t){return t.dirty=e})),l()}},c=function(e){e.filter((function(e){return!e.styleComputed})).forEach((function(e){e.styleComputed=v(e)})),e.filter(p).forEach(m);var t=e.filter(g);t.forEach(u),t.forEach((function(e){m(e),h(e)})),t.forEach(f)},h=function(e){return 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t=!1;return!e.preStyleTestCompleted&&(/inline-/.test(e.display)||(t=!0,e.display="inline-block"),"nowrap"!==e.whiteSpace&&(t=!0,e.whiteSpace="nowrap"),e.preStyleTestCompleted=!0,t)},m=function(e){e.element.style.whiteSpace=e.whiteSpace,e.element.style.display=e.display,e.element.style.fontSize=e.currentFontSize+"px"},f=function(e){e.element.dispatchEvent(new CustomEvent("fit",{detail:{oldValue:e.previousFontSize,newValue:e.currentFontSize,scaleFactor:e.currentFontSize/e.previousFontSize}}))},b=function(e,t){return function(){e.dirty=t,e.active&&l()}},y=function(e){return function(){r=r.filter((function(t){return t.element!==e.element})),e.observeMutations&&e.observer.disconnect(),e.element.style.whiteSpace=e.originalStyle.whiteSpace,e.element.style.display=e.originalStyle.display,e.element.style.fontSize=e.originalStyle.fontSize}},R=function(e){return function(){e.active||(e.active=!0,l())}},S=function(e){return function(){return 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0!==arguments[1]?arguments[1]:{};return"string"==typeof e?C(t(document.querySelectorAll(e)),i):C([e],i)[0]}}("undefined"==typeof window?null:window);class S{constructor(e){this.Reveal=e,this.startEmbeddedIframe=this.startEmbeddedIframe.bind(this)}shouldPreload(e){let t=this.Reveal.getConfig().preloadIframes;return"boolean"!=typeof t&&(t=e.hasAttribute("data-preload")),t}load(e,t={}){e.style.display=this.Reveal.getConfig().display,a(e,"img[data-src], video[data-src], audio[data-src], iframe[data-src]").forEach((e=>{("IFRAME"!==e.tagName||this.shouldPreload(e))&&(e.setAttribute("src",e.getAttribute("data-src")),e.setAttribute("data-lazy-loaded",""),e.removeAttribute("data-src"))})),a(e,"video, audio").forEach((e=>{let t=0;a(e,"source[data-src]").forEach((e=>{e.setAttribute("src",e.getAttribute("data-src")),e.removeAttribute("data-src"),e.setAttribute("data-lazy-loaded",""),t+=1})),p&&"VIDEO"===e.tagName&&e.setAttribute("playsinline",""),t>0&&e.load()}));let i=e.slideBackgroundElement;if(i){i.style.display="block";let a=e.slideBackgroundContentElement,n=e.getAttribute("data-background-iframe");if(!1===i.hasAttribute("data-loaded")){i.setAttribute("data-loaded","true");let s=e.getAttribute("data-background-image"),r=e.getAttribute("data-background-video"),o=e.hasAttribute("data-background-video-loop"),l=e.hasAttribute("data-background-video-muted");if(s)/^data:/.test(s.trim())?a.style.backgroundImage=`url(${s.trim()})`:a.style.backgroundImage=s.split(",").map((e=>`url(${encodeURI(e.trim())})`)).join(",");else if(r&&!this.Reveal.isSpeakerNotes()){let e=document.createElement("video");o&&e.setAttribute("loop",""),l&&(e.muted=!0),p&&(e.muted=!0,e.setAttribute("playsinline","")),r.split(",").forEach((t=>{e.innerHTML+='<source src="'+t+'">'})),a.appendChild(e)}else if(n&&!0!==t.excludeIframes){let e=document.createElement("iframe");e.setAttribute("allowfullscreen",""),e.setAttribute("mozallowfullscreen",""),e.setAttribute("webkitallowfullscreen",""),e.setAttribute("allow","autoplay"),e.setAttribute("data-src",n),e.style.width="100%",e.style.height="100%",e.style.maxHeight="100%",e.style.maxWidth="100%",a.appendChild(e)}}let s=a.querySelector("iframe[data-src]");s&&this.shouldPreload(i)&&!/autoplay=(1|true|yes)/gi.test(n)&&s.getAttribute("src")!==n&&s.setAttribute("src",n)}this.layout(e)}layout(e){Array.from(e.querySelectorAll(".r-fit-text")).forEach((e=>{R(e,{minSize:24,maxSize:.8*this.Reveal.getConfig().height,observeMutations:!1,observeWindow:!1})}))}unload(e){e.style.display="none";let t=this.Reveal.getSlideBackground(e);t&&(t.style.display="none",a(t,"iframe[src]").forEach((e=>{e.removeAttribute("src")}))),a(e,"video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]").forEach((e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")})),a(e,"video[data-lazy-loaded] source[src], audio source[src]").forEach((e=>{e.setAttribute("data-src",e.getAttribute("src")),e.removeAttribute("src")}))}formatEmbeddedContent(){let e=(e,t,i)=>{a(this.Reveal.getSlidesElement(),"iframe["+e+'*="'+t+'"]').forEach((t=>{let a=t.getAttribute(e);a&&-1===a.indexOf(i)&&t.setAttribute(e,a+(/\?/.test(a)?"&":"?")+i)}))};e("src","youtube.com/embed/","enablejsapi=1"),e("data-src","youtube.com/embed/","enablejsapi=1"),e("src","player.vimeo.com/","api=1"),e("data-src","player.vimeo.com/","api=1")}startEmbeddedContent(e){e&&!this.Reveal.isSpeakerNotes()&&(a(e,'img[src$=".gif"]').forEach((e=>{e.setAttribute("src",e.getAttribute("src"))})),a(e,"video, audio").forEach((e=>{if(l(e,".fragment")&&!l(e,".fragment.visible"))return;let t=this.Reveal.getConfig().autoPlayMedia;if("boolean"!=typeof t&&(t=e.hasAttribute("data-autoplay")||!!l(e,".slide-background")),t&&"function"==typeof e.play)if(e.readyState>1)this.startEmbeddedMedia({target:e});else if(p){let t=e.play();t&&"function"==typeof t.catch&&!1===e.controls&&t.catch((()=>{e.controls=!0,e.addEventListener("play",(()=>{e.controls=!1}))}))}else e.removeEventListener("loadeddata",this.startEmbeddedMedia),e.addEventListener("loadeddata",this.startEmbeddedMedia)})),a(e,"iframe[src]").forEach((e=>{l(e,".fragment")&&!l(e,".fragment.visible")||this.startEmbeddedIframe({target:e})})),a(e,"iframe[data-src]").forEach((e=>{l(e,".fragment")&&!l(e,".fragment.visible")||e.getAttribute("src")!==e.getAttribute("data-src")&&(e.removeEventListener("load",this.startEmbeddedIframe),e.addEventListener("load",this.startEmbeddedIframe),e.setAttribute("src",e.getAttribute("data-src")))})))}startEmbeddedMedia(e){let t=!!l(e.target,"html"),i=!!l(e.target,".present");t&&i&&(e.target.currentTime=0,e.target.play()),e.target.removeEventListener("loadeddata",this.startEmbeddedMedia)}startEmbeddedIframe(e){let t=e.target;if(t&&t.contentWindow){let i=!!l(e.target,"html"),a=!!l(e.target,".present");if(i&&a){let e=this.Reveal.getConfig().autoPlayMedia;"boolean"!=typeof e&&(e=t.hasAttribute("data-autoplay")||!!l(t,".slide-background")),/youtube\.com\/embed\//.test(t.getAttribute("src"))&&e?t.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}',"*"):/player\.vimeo\.com\//.test(t.getAttribute("src"))&&e?t.contentWindow.postMessage('{"method":"play"}',"*"):t.contentWindow.postMessage("slide:start","*")}}}stopEmbeddedContent(e,t={}){t=i({unloadIframes:!0},t),e&&e.parentNode&&(a(e,"video, audio").forEach((e=>{e.hasAttribute("data-ignore")||"function"!=typeof e.pause||(e.setAttribute("data-paused-by-reveal",""),e.pause())})),a(e,"iframe").forEach((e=>{e.contentWindow&&e.contentWindow.postMessage("slide:stop","*"),e.removeEventListener("load",this.startEmbeddedIframe)})),a(e,'iframe[src*="youtube.com/embed/"]').forEach((e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}',"*")})),a(e,'iframe[src*="player.vimeo.com/"]').forEach((e=>{!e.hasAttribute("data-ignore")&&e.contentWindow&&"function"==typeof e.contentWindow.postMessage&&e.contentWindow.postMessage('{"method":"pause"}',"*")})),!0===t.unloadIframes&&a(e,"iframe[data-src]").forEach((e=>{e.setAttribute("src","about:blank"),e.removeAttribute("src")})))}}class A{constructor(e){this.Reveal=e}render(){this.element=document.createElement("div"),this.element.className="slide-number",this.Reveal.getRevealElement().appendChild(this.element)}configure(e,t){let i="none";e.slideNumber&&!this.Reveal.isPrintingPDF()&&("all"===e.showSlideNumber||"speaker"===e.showSlideNumber&&this.Reveal.isSpeakerNotes())&&(i="block"),this.element.style.display=i}update(){this.Reveal.getConfig().slideNumber&&this.element&&(this.element.innerHTML=this.getSlideNumber())}getSlideNumber(e=this.Reveal.getCurrentSlide()){let t,i=this.Reveal.getConfig(),a="h.v";if("function"==typeof i.slideNumber)t=i.slideNumber(e);else{"string"==typeof i.slideNumber&&(a=i.slideNumber),/c/.test(a)||1!==this.Reveal.getHorizontalSlides().length||(a="c");let n=e&&"uncounted"===e.dataset.visibility?0:1;switch(t=[],a){case"c":t.push(this.Reveal.getSlidePastCount(e)+n);break;case"c/t":t.push(this.Reveal.getSlidePastCount(e)+n,"/",this.Reveal.getTotalSlides());break;default:let i=this.Reveal.getIndices(e);t.push(i.h+n);let s="h/v"===a?"/":".";this.Reveal.isVerticalSlide(e)&&t.push(s,i.v+1)}}let n="#"+this.Reveal.location.getHash(e);return this.formatNumber(t[0],t[1],t[2],n)}formatNumber(e,t,i,a="#"+this.Reveal.location.getHash()){return"number"!=typeof i||isNaN(i)?`<a href="${a}">\n\t\t\t\t\t<span class="slide-number-a">${e}</span>\n\t\t\t\t\t</a>`:`<a href="${a}">\n\t\t\t\t\t<span class="slide-number-a">${e}</span>\n\t\t\t\t\t<span class="slide-number-delimiter">${t}</span>\n\t\t\t\t\t<span class="slide-number-b">${i}</span>\n\t\t\t\t\t</a>`}}const E=e=>{let t=e.match(/^#([0-9a-f]{3})$/i);if(t&&t[1])return t=t[1],{r:17*parseInt(t.charAt(0),16),g:17*parseInt(t.charAt(1),16),b:17*parseInt(t.charAt(2),16)};let i=e.match(/^#([0-9a-f]{6})$/i);if(i&&i[1])return i=i[1],{r:parseInt(i.substr(0,2),16),g:parseInt(i.substr(2,2),16),b:parseInt(i.substr(4,2),16)};let a=e.match(/^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i);if(a)return{r:parseInt(a[1],10),g:parseInt(a[2],10),b:parseInt(a[3],10)};let n=e.match(/^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i);return n?{r:parseInt(n[1],10),g:parseInt(n[2],10),b:parseInt(n[3],10),a:parseFloat(n[4])}:null};class k{constructor(e){this.Reveal=e}render(){this.element=document.createElement("div"),this.element.className="backgrounds",this.Reveal.getRevealElement().appendChild(this.element)}create(){this.element.innerHTML="",this.element.classList.add("no-transition"),this.Reveal.getHorizontalSlides().forEach((e=>{let t=this.createBackground(e,this.element);a(e,"section").forEach((e=>{this.createBackground(e,t),t.classList.add("stack")}))})),this.Reveal.getConfig().parallaxBackgroundImage?(this.element.style.backgroundImage='url("'+this.Reveal.getConfig().parallaxBackgroundImage+'")',this.element.style.backgroundSize=this.Reveal.getConfig().parallaxBackgroundSize,this.element.style.backgroundRepeat=this.Reveal.getConfig().parallaxBackgroundRepeat,this.element.style.backgroundPosition=this.Reveal.getConfig().parallaxBackgroundPosition,setTimeout((()=>{this.Reveal.getRevealElement().classList.add("has-parallax-background")}),1)):(this.element.style.backgroundImage="",this.Reveal.getRevealElement().classList.remove("has-parallax-background"))}createBackground(e,t){let i=document.createElement("div");i.className="slide-background "+e.className.replace(/present|past|future/,"");let a=document.createElement("div");return a.className="slide-background-content",i.appendChild(a),t.appendChild(i),e.slideBackgroundElement=i,e.slideBackgroundContentElement=a,this.sync(e),i}sync(e){const t=e.slideBackgroundElement,i=e.slideBackgroundContentElement,a={background:e.getAttribute("data-background"),backgroundSize:e.getAttribute("data-background-size"),backgroundImage:e.getAttribute("data-background-image"),backgroundVideo:e.getAttribute("data-background-video"),backgroundIframe:e.getAttribute("data-background-iframe"),backgroundColor:e.getAttribute("data-background-color"),backgroundRepeat:e.getAttribute("data-background-repeat"),backgroundPosition:e.getAttribute("data-background-position"),backgroundTransition:e.getAttribute("data-background-transition"),backgroundOpacity:e.getAttribute("data-background-opacity")},n=e.hasAttribute("data-preload");e.classList.remove("has-dark-background"),e.classList.remove("has-light-background"),t.removeAttribute("data-loaded"),t.removeAttribute("data-background-hash"),t.removeAttribute("data-background-size"),t.removeAttribute("data-background-transition"),t.style.backgroundColor="",i.style.backgroundSize="",i.style.backgroundRepeat="",i.style.backgroundPosition="",i.style.backgroundImage="",i.style.opacity="",i.innerHTML="",a.background&&(/^(http|file|\/\/)/gi.test(a.background)||/\.(svg|png|jpg|jpeg|gif|bmp)([?#\s]|$)/gi.test(a.background)?e.setAttribute("data-background-image",a.background):t.style.background=a.background),(a.background||a.backgroundColor||a.backgroundImage||a.backgroundVideo||a.backgroundIframe)&&t.setAttribute("data-background-hash",a.background+a.backgroundSize+a.backgroundImage+a.backgroundVideo+a.backgroundIframe+a.backgroundColor+a.backgroundRepeat+a.backgroundPosition+a.backgroundTransition+a.backgroundOpacity),a.backgroundSize&&t.setAttribute("data-background-size",a.backgroundSize),a.backgroundColor&&(t.style.backgroundColor=a.backgroundColor),a.backgroundTransition&&t.setAttribute("data-background-transition",a.backgroundTransition),n&&t.setAttribute("data-preload",""),a.backgroundSize&&(i.style.backgroundSize=a.backgroundSize),a.backgroundRepeat&&(i.style.backgroundRepeat=a.backgroundRepeat),a.backgroundPosition&&(i.style.backgroundPosition=a.backgroundPosition),a.backgroundOpacity&&(i.style.opacity=a.backgroundOpacity);let s=a.backgroundColor;if(!s||!E(s)){let e=window.getComputedStyle(t);e&&e.backgroundColor&&(s=e.backgroundColor)}if(s){const t=E(s);t&&0!==t.a&&("string"==typeof(r=s)&&(r=E(r)),(r?(299*r.r+587*r.g+114*r.b)/1e3:null)<128?e.classList.add("has-dark-background"):e.classList.add("has-light-background"))}var r}update(e=!1){let t=this.Reveal.getCurrentSlide(),i=this.Reveal.getIndices(),n=null,s=this.Reveal.getConfig().rtl?"future":"past",r=this.Reveal.getConfig().rtl?"past":"future";if(Array.from(this.element.childNodes).forEach(((t,o)=>{t.classList.remove("past","present","future"),o<i.h?t.classList.add(s):o>i.h?t.classList.add(r):(t.classList.add("present"),n=t),(e||o===i.h)&&a(t,".slide-background").forEach(((e,t)=>{e.classList.remove("past","present","future"),t<i.v?e.classList.add("past"):t>i.v?e.classList.add("future"):(e.classList.add("present"),o===i.h&&(n=e))}))})),this.previousBackground&&this.Reveal.slideContent.stopEmbeddedContent(this.previousBackground,{unloadIframes:!this.Reveal.slideContent.shouldPreload(this.previousBackground)}),n){this.Reveal.slideContent.startEmbeddedContent(n);let e=n.querySelector(".slide-background-content");if(e){let t=e.style.backgroundImage||"";/\.gif/i.test(t)&&(e.style.backgroundImage="",window.getComputedStyle(e).opacity,e.style.backgroundImage=t)}let t=this.previousBackground?this.previousBackground.getAttribute("data-background-hash"):null,i=n.getAttribute("data-background-hash");i&&i===t&&n!==this.previousBackground&&this.element.classList.add("no-transition"),this.previousBackground=n}t&&["has-light-background","has-dark-background"].forEach((e=>{t.classList.contains(e)?this.Reveal.getRevealElement().classList.add(e):this.Reveal.getRevealElement().classList.remove(e)}),this),setTimeout((()=>{this.element.classList.remove("no-transition")}),1)}updateParallax(){let e=this.Reveal.getIndices();if(this.Reveal.getConfig().parallaxBackgroundImage){let t,i,a=this.Reveal.getHorizontalSlides(),n=this.Reveal.getVerticalSlides(),s=this.element.style.backgroundSize.split(" ");1===s.length?t=i=parseInt(s[0],10):(t=parseInt(s[0],10),i=parseInt(s[1],10));let r,o,l=this.element.offsetWidth,d=a.length;r="number"==typeof this.Reveal.getConfig().parallaxBackgroundHorizontal?this.Reveal.getConfig().parallaxBackgroundHorizontal:d>1?(t-l)/(d-1):0,o=r*e.h*-1;let c,h,u=this.element.offsetHeight,g=n.length;c="number"==typeof this.Reveal.getConfig().parallaxBackgroundVertical?this.Reveal.getConfig().parallaxBackgroundVertical:(i-u)/(g-1),h=g>0?c*e.v:0,this.element.style.backgroundPosition=o+"px "+-h+"px"}}}let L=0;class x{constructor(e){this.Reveal=e}run(e,t){this.reset();let i=this.Reveal.getSlides(),a=i.indexOf(t),n=i.indexOf(e);if(e.hasAttribute("data-auto-animate")&&t.hasAttribute("data-auto-animate")&&e.getAttribute("data-auto-animate-id")===t.getAttribute("data-auto-animate-id")&&!(a>n?t:e).hasAttribute("data-auto-animate-restart")){this.autoAnimateStyleSheet=this.autoAnimateStyleSheet||c();let i=this.getAutoAnimateOptions(t);e.dataset.autoAnimate="pending",t.dataset.autoAnimate="pending",i.slideDirection=a>n?"forward":"backward";let s=this.getAutoAnimatableElements(e,t).map((e=>this.autoAnimateElements(e.from,e.to,e.options||{},i,L++)));if("false"!==t.dataset.autoAnimateUnmatched&&!0===this.Reveal.getConfig().autoAnimateUnmatched){let e=.8*i.duration,a=.2*i.duration;this.getUnmatchedAutoAnimateElements(t).forEach((e=>{let t=this.getAutoAnimateOptions(e,i),a="unmatched";t.duration===i.duration&&t.delay===i.delay||(a="unmatched-"+L++,s.push(`[data-auto-animate="running"] [data-auto-animate-target="${a}"] { transition: opacity ${t.duration}s ease ${t.delay}s; }`)),e.dataset.autoAnimateTarget=a}),this),s.push(`[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${e}s ease ${a}s; 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i(c,{...Ht,announceStatus:be,getStatusText:ye,print:le,focus:de,progress:se,controls:ne,location:ae,overview:te,fragments:ee,slideContent:J,slideNumber:Q,onUserInput:Nt,closeOverlay:ze,updateSlidesVisibility:at,layoutSlideContents:He,transformSlides:xe,cueAutoSlide:wt,cancelAutoSlide:Rt}),Ht}let V=K,$=[];V.initialize=e=>(Object.assign(V,new K(document.querySelector(".reveal"),e)),$.map((e=>e(V))),V.initialize()),["configure","on","off","addEventListener","removeEventListener","registerPlugin"].forEach((e=>{V[e]=(...t)=>{$.push((i=>i[e].call(null,...t)))}})),V.isReady=()=>!1,V.VERSION="4.2.0";export default V;
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