/*! * reveal.js 4.2.1 * https://revealjs.com * MIT licensed * * Copyright (C) 2011-2021 Hakim El Hattab, https://hakim.se */ const e=(e,t)=>{for(let i in t)e[i]=t[i];return e},t=(e,t)=>Array.from(e.querySelectorAll(t)),i=(e,t,i)=>{i?e.classList.add(t):e.classList.remove(t)},a=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},n=(e,t)=>{e.style.transform=t},s=(e,t)=>{let i=e.matches||e.matchesSelector||e.msMatchesSelector;return!(!i||!i.call(e,t))},o=(e,t)=>{if("function"==typeof e.closest)return e.closest(t);for(;e;){if(s(e,t))return e;e=e.parentNode}return null},r=(e,t,i,a="")=>{let n=e.querySelectorAll("."+i);for(let t=0;t{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},d=()=>{let 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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 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o=this.getAutoAnimatableProperties("from",e,i),r=this.getAutoAnimatableProperties("to",t,i);if(t.classList.contains("fragment")&&(delete r.styles.opacity,e.classList.contains("fragment"))){(e.className.match(L)||[""])[0]===(t.className.match(L)||[""])[0]&&"forward"===a.slideDirection&&t.classList.add("visible","disabled")}if(!1!==i.translate||!1!==i.scale){let e=this.Reveal.getScale(),t={x:(o.x-r.x)/e,y:(o.y-r.y)/e,scaleX:o.width/r.width,scaleY:o.height/r.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 a=!1!==i.translate&&(0!==t.x||0!==t.y),n=!1!==i.scale&&(0!==t.scaleX||0!==t.scaleY);if(a||n){let e=[];a&&e.push(`translate(${t.x}px, ${t.y}px)`),n&&e.push(`scale(${t.scaleX}, ${t.scaleY})`),o.styles.transform=e.join(" "),o.styles["transform-origin"]="top left",r.styles.transform="none"}}for(let e in r.styles){const t=r.styles[e],i=o.styles[e];t===i?delete 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