revproxy-presentation/dist/reveal.min.js

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/*!
2020-03-09 09:33:27 +01:00
* reveal.js 4.0.0-dev (Mon Mar 09 2020)
* https://revealjs.com
* MIT licensed
*
* Copyright (C) 2020 Hakim El Hattab, https://hakim.se
*/
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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(