8 lines
66 KiB
JavaScript
8 lines
66 KiB
JavaScript
/*!
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* reveal.js 4.0.0-dev (Mon Mar 09 2020)
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* https://revealjs.com
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* MIT licensed
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*
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* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
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*/
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!function(e){var t={};function a(i){if(t[i])return t[i].exports;var r=t[i]={i:i,l:!1,exports:{}};return e[i].call(r.exports,r,r.exports,a),r.l=!0,r.exports}a.m=e,a.c=t,a.d=function(e,t,i){a.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},a.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},a.t=function(e,t){if(1&t&&(e=a(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(a.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var r in e)a.d(i,r,function(t){return e[t]}.bind(null,r));return i},a.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return a.d(t,"a",t),t},a.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},a.p="",a(a.s=0)}([function(e,t,a){"use strict";a.r(t);const i=/registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/,r=(e,t)=>{for(let a in t)e[a]=t[a];return e},n=e=>Array.prototype.slice.call(e),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},o=(e,t)=>{e.style.transform=t},l=(e,t)=>{let a=e.parentNode;for(;a;){let e=a.matches||a.matchesSelector||a.msMatchesSelector;if(e&&e.call(a,t))return a;a=a.parentNode}return null},d=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},c=navigator.userAgent,u=document.createElement("div"),h=/(iphone|ipod|ipad|android)/gi.test(c)||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,p=/chrome/i.test(c)&&!/edge/i.test(c),g=/android/gi.test(c),f="zoom"in u.style&&!h&&(p||/Version\/[\d\.]+.*Safari/.test(c));class m{constructor(e){this.Reveal=e}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,n(e.querySelectorAll("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"))}),n(e.querySelectorAll("video, audio")).forEach(e=>{let t=0;n(e.querySelectorAll("source[data-src]")).forEach(e=>{e.setAttribute("src",e.getAttribute("data-src")),e.removeAttribute("data-src"),e.setAttribute("data-lazy-loaded",""),t+=1}),t>0&&e.load()});let a=e.slideBackgroundElement;if(a){a.style.display="block";let i=e.slideBackgroundContentElement,r=e.getAttribute("data-background-iframe");if(!1===a.hasAttribute("data-loaded")){a.setAttribute("data-loaded","true");let n=e.getAttribute("data-background-image"),s=e.getAttribute("data-background-video"),o=e.hasAttribute("data-background-video-loop"),l=e.hasAttribute("data-background-video-muted");if(n)i.style.backgroundImage="url("+encodeURI(n)+")";else if(s&&!this.Reveal.isSpeakerNotes()){let e=document.createElement("video");o&&e.setAttribute("loop",""),l&&(e.muted=!0),h&&(e.muted=!0,e.autoplay=!0,e.setAttribute("playsinline","")),s.split(",").forEach(t=>{e.innerHTML+='<source src="'+t+'">'}),i.appendChild(e)}else if(r&&!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",r),e.style.width="100%",e.style.height="100%",e.style.maxHeight="100%",e.style.maxWidth="100%",i.appendChild(e)}}let n=i.querySelector("iframe[data-src]");n&&this.shouldPreload(a)&&!/autoplay=(1|true|yes)/gi.test(r)&&n.getAttribute("src")!==r&&n.setAttribute("src",r)}}unload(e){e.style.display="none";let t=this.Reveal.getSlideBackground(e);t&&(t.style.display="none",n(t.querySelectorAll("iframe[src]")).forEach(e=>{e.removeAttribute("src")})),n(e.querySelectorAll("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")}),n(e.querySelectorAll("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,a)=>{n(this.Reveal.getSlidesElement().querySelectorAll("iframe["+e+'*="'+t+'"]')).forEach(t=>{let i=t.getAttribute(e);i&&-1===i.indexOf(a)&&t.setAttribute(e,i+(/\?/.test(i)?"&":"?")+a)})};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()&&(n(e.querySelectorAll('img[src$=".gif"]')).forEach(e=>{e.setAttribute("src",e.getAttribute("src"))}),n(e.querySelectorAll("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(h){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)}),n(e.querySelectorAll("iframe[src]")).forEach(e=>{l(e,".fragment")&&!l(e,".fragment.visible")||this.startEmbeddedIframe({target:e})}),n(e.querySelectorAll("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"),a=!!l(e.target,".present");t&&a&&(e.target.currentTime=0,e.target.play()),e.target.removeEventListener("loadeddata",this.startEmbeddedMedia)}startEmbeddedIframe(e){let t=e.target;if(t&&t.contentWindow){let a=!!l(e.target,"html"),i=!!l(e.target,".present");if(a&&i){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=r({unloadIframes:!0},t),e&&e.parentNode&&(n(e.querySelectorAll("video, audio")).forEach(e=>{e.hasAttribute("data-ignore")||"function"!=typeof e.pause||(e.setAttribute("data-paused-by-reveal",""),e.pause())}),n(e.querySelectorAll("iframe")).forEach(e=>{e.contentWindow&&e.contentWindow.postMessage("slide:stop","*"),e.removeEventListener("load",this.startEmbeddedIframe)}),n(e.querySelectorAll('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":""}',"*")}),n(e.querySelectorAll('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&&n(e.querySelectorAll("iframe[data-src]")).forEach(e=>{e.setAttribute("src","about:blank"),e.removeAttribute("src")}))}}class v{constructor(e){this.Reveal=e,this.autoAnimateCounter=0}run(e,t){if(this.reset(),e.hasAttribute("data-auto-animate")&&t.hasAttribute("data-auto-animate")){this.autoAnimateStyleSheet=this.autoAnimateStyleSheet||d();let a=this.getAutoAnimateOptions(t);e.dataset.autoAnimate="pending",t.dataset.autoAnimate="pending";let i=this.getAutoAnimatableElements(e,t).map(e=>this.getAutoAnimateCSS(e.from,e.to,e.options||{},a,this.autoAnimateCounter++));"false"!==t.dataset.autoAnimateUnmatched&&!0===this.Reveal.getConfig().autoAnimateUnmatched&&(this.getUnmatchedAutoAnimateElements(t).forEach(e=>{e.dataset.autoAnimateTarget="unmatched"}),i.push(`[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${.8*a.duration}s ease ${.2*a.duration}s; }`)),this.autoAnimateStyleSheet.innerHTML=i.join(""),requestAnimationFrame(()=>{this.autoAnimateStyleSheet&&(getComputedStyle(this.autoAnimateStyleSheet).fontWeight,t.dataset.autoAnimate="running")}),this.Reveal.dispatchEvent("autoanimate",{fromSlide:e,toSlide:t,sheet:this.autoAnimateStyleSheet})}}reset(){n(this.Reveal.getRevealElement().querySelectorAll('[data-auto-animate]:not([data-auto-animate=""])')).forEach(e=>{e.dataset.autoAnimate=""}),n(this.Reveal.getRevealElement().querySelectorAll("[data-auto-animate-target]")).forEach(e=>{delete e.dataset.autoAnimateTarget}),this.autoAnimateStyleSheet&&this.autoAnimateStyleSheet.parentNode&&(this.autoAnimateStyleSheet.parentNode.removeChild(this.autoAnimateStyleSheet),this.autoAnimateStyleSheet=null)}getAutoAnimateCSS(e,t,a,i,r){e.dataset.autoAnimateTarget="",t.dataset.autoAnimateTarget=r;let n=this.getAutoAnimateOptions(t,i);void 0!==a.delay&&(n.delay=a.delay),void 0!==a.duration&&(n.duration=a.duration),void 0!==a.easing&&(n.easing=a.easing);let s=this.getAutoAnimatableProperties("from",e,a),o=this.getAutoAnimatableProperties("to",t,a);if(!1!==a.translate||!1!==a.scale){let e=this.Reveal.getScale(),t={x:(s.x-o.x)/e,y:(s.y-o.y)/e,scaleX:s.width/o.width,scaleY:s.height/o.height};t.x=Math.round(1e3*t.x)/1e3,t.y=Math.round(1e3*t.y)/1e3,t.scaleX=Math.round(1e3*t.scaleX)/1e3,t.scaleX=Math.round(1e3*t.scaleX)/1e3;let i=!1!==a.translate&&(0!==t.x||0!==t.y),r=!1!==a.scale&&(0!==t.scaleX||0!==t.scaleY);if(i||r){let e=[];i&&e.push(`translate(${t.x}px, ${t.y}px)`),r&&e.push(`scale(${t.scaleX}, ${t.scaleY})`),s.styles.transform=e.join(" "),s.styles["transform-origin"]="top left",o.styles.transform="none"}}for(let e in o.styles){const t=o.styles[e],a=s.styles[e];t===a?delete o.styles[e]:(!0===t.explicitValue&&(o.styles[e]=t.value),!0===a.explicitValue&&(s.styles[e]=a.value))}let l="",d=Object.keys(o.styles);if(d.length>0){s.styles.transition="none",o.styles.transition=`all ${n.duration}s ${n.easing} ${n.delay}s`,o.styles["transition-property"]=d.join(", "),o.styles["will-change"]=d.join(", "),l='[data-auto-animate-target="'+r+'"] {'+Object.keys(s.styles).map(e=>e+": "+s.styles[e]+" !important;").join("")+'}[data-auto-animate="running"] [data-auto-animate-target="'+r+'"] {'+Object.keys(o.styles).map(e=>e+": "+o.styles[e]+" !important;").join("")+"}"}return l}getAutoAnimateOptions(e,t){let a={easing:this.Reveal.getConfig().autoAnimateEasing,duration:this.Reveal.getConfig().autoAnimateDuration,delay:0};if(a=r(a,t),e.closest&&e.parentNode){let t=e.parentNode.closest("[data-auto-animate-target]");t&&(a=this.getAutoAnimateOptions(t,a))}return e.dataset.autoAnimateEasing&&(a.easing=e.dataset.autoAnimateEasing),e.dataset.autoAnimateDuration&&(a.duration=parseFloat(e.dataset.autoAnimateDuration)),e.dataset.autoAnimateDelay&&(a.delay=parseFloat(e.dataset.autoAnimateDelay)),a}getAutoAnimatableProperties(e,t,a){let i={styles:[]};if(!1!==a.translate||!1!==a.scale){let e;e="function"==typeof a.measure?a.measure(t):t.getBoundingClientRect(),i.x=e.x,i.y=e.y,i.width=e.width,i.height=e.height}const r=getComputedStyle(t);return(a.styles||this.Reveal.getConfig().autoAnimateStyles).forEach(t=>{let a;"string"==typeof t&&(t={property:t}),a=void 0!==t.from&&"from"===e?{value:t.from,explicitValue:!0}:void 0!==t.to&&"to"===e?{value:t.to,explicitValue:!0}:r[t.property],""!==a&&(i.styles[t.property]=a)}),i}getAutoAnimatableElements(e,t){let a=("function"==typeof this.Reveal.getConfig().autoAnimateMatcher?this.Reveal.getConfig().autoAnimateMatcher:this.getAutoAnimatePairs).call(this,e,t),i=[];return a.filter((e,t)=>{if(-1===i.indexOf(e.to))return i.push(e.to),!0})}getAutoAnimatePairs(e,t){let a=[];const i="h1, h2, h3, h4, h5, h6, p, li";return this.findAutoAnimateMatches(a,e,t,"[data-id]",e=>e.nodeName+":::"+e.getAttribute("data-id")),this.findAutoAnimateMatches(a,e,t,i,e=>e.nodeName+":::"+e.innerText),this.findAutoAnimateMatches(a,e,t,"img, video, iframe",e=>e.nodeName+":::"+(e.getAttribute("src")||e.getAttribute("data-src"))),this.findAutoAnimateMatches(a,e,t,"pre",e=>e.nodeName+":::"+e.innerText),a.forEach(e=>{e.from.matches(i)?e.options={scale:!1}:e.from.matches("pre")&&(e.options={scale:!1,styles:["width","height"]},this.findAutoAnimateMatches(a,e.from,e.to,".hljs .hljs-ln-code",e=>e.textContent,{scale:!1,styles:[],measure:this.getLocalBoundingBox.bind(this)}),this.findAutoAnimateMatches(a,e.from,e.to,".hljs .hljs-ln-line[data-line-number]",e=>e.getAttribute("data-line-number"),{scale:!1,styles:["width"],measure:this.getLocalBoundingBox.bind(this)}))},this),a}getLocalBoundingBox(e){const t=this.Reveal.getScale();return{x:Math.round(e.offsetLeft*t*100)/100,y:Math.round(e.offsetTop*t*100)/100,width:Math.round(e.offsetWidth*t*100)/100,height:Math.round(e.offsetHeight*t*100)/100}}findAutoAnimateMatches(e,t,a,i,r,n){let s={},o={};[].slice.call(t.querySelectorAll(i)).forEach((e,t)=>{const a=r(e);"string"==typeof a&&a.length&&(s[a]=s[a]||[],s[a].push(e))}),[].slice.call(a.querySelectorAll(i)).forEach((t,a)=>{const i=r(t);let l;if(o[i]=o[i]||[],o[i].push(t),s[i]){const e=o[i].length-1,t=s[i].length-1;s[i][e]?(l=s[i][e],s[i][e]=null):s[i][t]&&(l=s[i][t],s[i][t]=null)}l&&e.push({from:l,to:t,options:n})})}getUnmatchedAutoAnimateElements(e){return[].slice.call(e.children).reduce((e,t)=>{const a=t.querySelector("[data-auto-animate-target]");return t.hasAttribute("data-auto-animate-target")||a||e.push(t),t.querySelector("[data-auto-animate-target]")&&(e=e.concat(this.getUnmatchedAutoAnimateElements(t))),e},[])}}class b{constructor(e){this.Reveal=e}showAll(){n(this.Reveal.getSlidesElement().querySelectorAll(".fragment")).forEach(e=>{e.classList.add("visible"),e.classList.remove("current-fragment")})}availableRoutes(){let e=this.Reveal.getCurrentSlide();if(e&&this.Reveal.getConfig().fragments){let t=e.querySelectorAll(".fragment"),a=e.querySelectorAll(".fragment:not(.visible)");return{prev:t.length-a.length>0,next:!!a.length}}return{prev:!1,next:!1}}sort(e,t=!1){e=n(e);let a=[],i=[],r=[];e.forEach(e=>{if(e.hasAttribute("data-fragment-index")){let t=parseInt(e.getAttribute("data-fragment-index"),10);a[t]||(a[t]=[]),a[t].push(e)}else i.push([e])}),a=a.concat(i);let s=0;return a.forEach(e=>{e.forEach(e=>{r.push(e),e.setAttribute("data-fragment-index",s)}),s++}),!0===t?a:r}sortAll(){this.Reveal.getHorizontalSlides().forEach(e=>{let t=n(e.querySelectorAll("section"));t.forEach((e,t)=>{this.sort(e.querySelectorAll(".fragment"))},this),0===t.length&&this.sort(e.querySelectorAll(".fragment"))})}update(e,t){let a={shown:[],hidden:[]},i=this.Reveal.getCurrentSlide();if(i&&this.Reveal.getConfig().fragments&&(t=t||this.sort(i.querySelectorAll(".fragment"))).length){let r=0;if("number"!=typeof e){let t=this.sort(i.querySelectorAll(".fragment.visible")).pop();t&&(e=parseInt(t.getAttribute("data-fragment-index")||0,10))}n(t).forEach((t,i)=>{t.hasAttribute("data-fragment-index")&&(i=parseInt(t.getAttribute("data-fragment-index"),10)),r=Math.max(r,i),i<=e?(t.classList.contains("visible")||a.shown.push(t),t.classList.add("visible"),t.classList.remove("current-fragment"),this.Reveal.announceStatus(this.Reveal.getStatusText(t)),i===e&&(t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t))):(t.classList.contains("visible")&&a.hidden.push(t),t.classList.remove("visible"),t.classList.remove("current-fragment"))}),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,r),-1),i.setAttribute("data-fragment",e)}return a}goto(e,t=0){let a=this.Reveal.getCurrentSlide();if(a&&this.Reveal.getConfig().fragments){let i=this.sort(a.querySelectorAll(".fragment"));if(i.length){if("number"!=typeof e){let t=this.sort(a.querySelectorAll(".fragment.visible")).pop();e=t?parseInt(t.getAttribute("data-fragment-index")||0,10):-1}e+=t;let r=this.update(e,i);return r.hidden.length&&this.Reveal.dispatchEvent("fragmenthidden",{fragment:r.hidden[0],fragments:r.hidden}),r.shown.length&&this.Reveal.dispatchEvent("fragmentshown",{fragment:r.shown[0],fragments:r.shown}),this.Reveal.updateControls(),this.Reveal.updateProgress(),this.Reveal.getConfig().fragmentInURL&&this.Reveal.writeURL(),!(!r.shown.length&&!r.hidden.length)}}return!1}next(){return this.goto(null,1)}prev(){return this.goto(null,-1)}}class y{constructor(e){this.Reveal=e,this.active=!1,this.onSlideClicked=this.onSlideClicked.bind(this)}activate(){if(this.Reveal.getConfig().overview&&!this.isActive()){this.active=!0,this.Reveal.getRevealElement().classList.add("overview"),this.Reveal.cancelAutoSlide(),this.Reveal.getSlidesElement().appendChild(this.Reveal.getBackgroundsElement()),n(this.Reveal.getRevealElement().querySelectorAll(".slides section")).forEach(e=>{e.classList.contains("stack")||e.addEventListener("click",this.onSlideClicked,!0)});const e=70,t=this.Reveal.getComputedSlideSize();this.overviewSlideWidth=t.width+e,this.overviewSlideHeight=t.height+e,this.Reveal.getConfig().rtl&&(this.overviewSlideWidth=-this.overviewSlideWidth),this.Reveal.updateSlidesVisibility(),this.layout(),this.update(),this.Reveal.layout();const a=this.Reveal.getIndices();this.Reveal.dispatchEvent("overviewshown",{indexh:a.h,indexv:a.v,currentSlide:this.Reveal.getCurrentSlide()})}}layout(){this.Reveal.getHorizontalSlides().forEach((e,t)=>{e.setAttribute("data-index-h",t),o(e,"translate3d("+t*this.overviewSlideWidth+"px, 0, 0)"),e.classList.contains("stack")&&n(e.querySelectorAll("section")).forEach((e,a)=>{e.setAttribute("data-index-h",t),e.setAttribute("data-index-v",a),o(e,"translate3d(0, "+a*this.overviewSlideHeight+"px, 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