reveal.esm.js

/*!
* reveal.js 4.3.1
* https://revealjs.com
* MIT licensed
*
* Copyright (C) 2011-2022 Hakim El Hattab, https://hakim.se
*/
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s?{r:parseInt(s[1],10),g:parseInt(s[2],10),b:parseInt(s[3],10),a:parseFloat(s[4])}:null};class E{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 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t=this.previousBackground?this.previousBackground.getAttribute("data-background-hash"):null,i=s.getAttribute("data-background-hash");i&&i===t&&s!==this.previousBackground&&this.element.classList.add("no-transition"),this.previousBackground=s}i&&["has-light-background","has-dark-background"].forEach((e=>{i.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(),s=this.Reveal.getVerticalSlides(),n=this.element.style.backgroundSize.split(" ");1===n.length?t=i=parseInt(n[0],10):(t=parseInt(n[0],10),i=parseInt(n[1],10));let r,o,l=this.element.offsetWidth,d=a.length;r="number"==typeof 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