/*! * reveal.js 4.0.0-dev (Tue Mar 10 2020) * https://revealjs.com * MIT licensed * * Copyright (C) 2020 Hakim El Hattab, https://hakim.se */ !function(e){var t={};function a(i){if(t[i])return t[i].exports;var n=t[i]={i:i,l:!1,exports:{}};return e[i].call(n.exports,n,n.exports,a),n.l=!0,n.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 n in e)a.d(i,n,function(t){return e[t]}.bind(null,n));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 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t=this.sort(i.querySelectorAll(".fragment.visible")).pop();t&&(e=parseInt(t.getAttribute("data-fragment-index")||0,10))}r(t).forEach((t,i)=>{t.hasAttribute("data-fragment-index")&&(i=parseInt(t.getAttribute("data-fragment-index"),10)),n=Math.max(n,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,n),-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 n=this.update(e,i);return n.hidden.length&&this.Reveal.dispatchEvent("fragmenthidden",{fragment:n.hidden[0],fragments:n.hidden}),n.shown.length&&this.Reveal.dispatchEvent("fragmentshown",{fragment:n.shown[0],fragments:n.shown}),this.Reveal.updateControls(),this.Reveal.updateProgress(),this.Reveal.getConfig().fragmentInURL&&this.Reveal.writeURL(),!(!n.shown.length&&!n.hidden.length)}}return!1}next(){return this.goto(null,1)}prev(){return this.goto(null,-1)}}class S{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()),r(this.Reveal.getRevealElement().querySelectorAll(".slides 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