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js focusy.co collected 2026-10-02 01:20:58 UTC 272,204 bytes, 1 lines download raw bytes

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1150&&(d="..."+(d=d.substring(e-75,e+75))+"..."),i.push({cfi:n,excerpt:d})}}},o=document.createTreeWalker(r.document,NodeFilter.SHOW_TEXT,null,!1),a,h=[];for(;a=o.nextNode();)h.push(a),h.length==e&&(s(h.slice(0,e)),h=h.slice(1,e));return h.length>0&&s(h),i}reconcileLayoutSettings(t){var e={layout:t.layout,spread:t.spread,orientation:t.orientation};return this.properties.forEach(function(t){var i,r,n=t.replace("rendition:",""),s=n.indexOf("-");-1!=s&&(i=n.slice(0,s),r=n.slice(s+1),e[i]=r)}),e}cfiFromRange(t){return new J(t,this.cfiBase).toString()}cfiFromElement(t){return new J(t,this.cfiBase).toString()}unload(){this.document=void 0,this.contents=void 0,this.output=void 0}destroy(){this.unload(),this.hooks.serialize.clear(),this.hooks.content.clear(),this.hooks=void 0,this.idref=void 0,this.linear=void 0,this.properties=void 0,this.index=void 0,this.href=void 0,this.url=void 0,this.next=void 0,this.prev=void 0,this.cfiBase=void 0}}class to{constructor(){this.spineItems=[],this.spineByHref={},this.spineById={},this.hooks={},this.hooks.serialize=new Q,this.hooks.content=new Q,this.hooks.content.register(tt),this.hooks.content.register(te),this.hooks.content.register(ti),this.epubcfi=new J,this.loaded=!1,this.items=void 0,this.manifest=void 0,this.spineNodeIndex=void 0,this.baseUrl=void 0,this.length=void 0}

1unpack(t,e,i){this.items=t.spine,this.manifest=t.manifest,this.spineNodeIndex=t.spineNodeIndex,this.baseUrl=t.baseUrl||t.basePath||"",this.length=this.items.length,this.items.forEach((t,r)=>{var n,s=this.manifest[t.idref];t.index=r,t.cfiBase=this.epubcfi.generateChapterComponent(this.spineNodeIndex,t.index,t.id),t.href&&(t.url=e(t.href,!0),t.canonical=i(t.href)),s&&(t.href=s.href,t.url=e(t.href,!0),t.canonical=i(t.href),s.properties.length&&t.properties.push.apply(t.properties,s.properties)),"yes"===t.linear?(t.prev=(function(){let e=t.index;for(;e>0;){let t=this.get(e-1);if(t&&t.linear)return t;e-=1}}).bind(this),t.next=(function(){let e=t.index;for(;e<this.spineItems.length-1;){let t=this.get(e+1);if(t&&t.linear)return t;e+=1}}).bind(this)):(t.prev=function(){},t.next=function(){}),n=new ts(t,this.hooks),this.append(n)}),this.loaded=!0}get(t){var e=0;if(void 0===t)for(;e<this.spineItems.length;){let t=this.spineItems[e];if(t&&t.linear)break;e+=1}else this.epubcfi.isCfiString(t)?e=new J(t).spinePos:"number"==typeof t||!1===isNaN(t)?e=t:"string"==typeof t&&0===t.indexOf("#")?e=this.spineById[t.substring(1)]:"string"==typeof t&&(t=t.split("#")[0],e=this.spineByHref[t]||this.spineByHref[encodeURI(t)]);return this.spineItems[e]||null}append(t){var e=this.spineItems.length;return t.index=e,this.spineItems.push(t),this.spineByHref[decodeURI(t.href)]=e,this.spineByHref[encodeURI(t.href)]=e,this.spineByHref[t.href]=e,this.spineById[t.idref]=e,e}prepend(t){return this.spineByHref[t.href]=0,this.spineById[t.idref]=0,this.spineItems.forEach(function(t,e){t.index=e}),0}remove(t){var e=this.spineItems.indexOf(t);if(e>-1)return delete this.spineByHref[t.href],delete this.spineById[t.idref],this.spineItems.splice(e,1)}each(){return this.spineItems.forEach.apply(this.spineItems,arguments)}first(){let t=0;do{let e=this.get(t);if(e&&e.linear)return e;t+=1}while(t<this.spineItems.length)}last(){let t=this.spineItems.length-1;do{let e=this.get(t);if(e&&e.linear)return e;t-=1}while(t>=0)}destroy(){this.each(t=>t.destroy()),this.spineItems=void 0,this.spineByHref=void 0,this.spineById=void 0,this.hooks.serialize.clear(),this.hooks.content.clear(),this.hooks=void 0,this.epubcfi=void 0,this.loaded=!1,this.items=void 0,this.manifest=void 0,this.spineNodeIndex=void 0,this.baseUrl=void 0,this.length=void 0}}class ta{constructor(t){this._q=[],this.context=t,this.tick=a,this.running=!1,this.paused=!1}enqueue(){var t,e,i,r=[].shift.call(arguments),n=arguments;if(!r)throw Error("No Task Provided");return"function"==typeof r?(e=(t=new U).promise,i={task:r,args:n,deferred:t,promise:e}):i={promise:r},this._q.push(i),!1!=this.paused||this.running||this.run(),i.promise}dequeue(){var t,e,i;return!this._q.length||this.paused?((t=new U).deferred.resolve(),t.promise):(e=(t=this._q.shift()).task)?(i=e.apply(this.context,t.args))&&"function"==typeof i.then?i.then((function(){t.deferred.resolve.apply(this.context,arguments)}).bind(this),(function(){t.deferred.reject.apply(this.context,arguments)}).bind(this)):(t.deferred.resolve.apply(this.context,i),t.promise):t.promise?t.promise:void 0}dump(){for(;this._q.length;)this.dequeue()}run(){return this.running||(this.running=!0,this.defered=new U),this.tick.call(window,()=>{this._q.length?this.dequeue().then((function(){this.run()}).bind(this)):(this.defered.resolve(),this.running=void 0)}),!0==this.paused&&(this.paused=!1),this.defered.promise}flush(){return this.running?this.running:this._q.length?(this.running=this.dequeue().then((function(){return this.running=void 0,this.flush()}).bind(this)),this.running):void 0}clear(){this._q=[]}length(){return this._q.length}pause(){this.paused=!0}stop(){this._q=[],this.running=!1,this.paused=!0}}let th=["keydown","keyup","keypressed","mouseup","mousedown","mousemove","click","touchend","touchstart","touchmove"],tl={BOOK:{OPEN_FAILED:"openFailed"},CONTENTS:{EXPAND:"expand",RESIZE:"resize",SELECTED:"selected",SELECTED_RANGE:"selectedRange",LINK_CLICKED:"linkClicked"},LOCATIONS:{CHANGED:"changed"},MANAGERS:{RESIZE:"resize",RESIZED:"resized",ORIENTATION_CHANGE:"orientationchange",ADDED:"added",SCROLL:"scroll",SCROLLED:"scrolled",REMOVED:"removed"},VIEWS:{AXIS:"axis",WRITING_MODE:"writingMode",LOAD_ERROR:"loaderror",RENDERED:"rendered",RESIZED:"resized",DISPLAYED:"displayed",SHOWN:"shown",HIDDEN:"hidden",MARK_CLICKED:"markClicked"},RENDITION:{STARTED:"started",ATTACHED:"attached",DISPLAYED:"displayed",DISPLAY_ERROR:"displayerror",RENDERED:"rendered",REMOVED:"removed",RESIZED:"resized",ORIENTATION_CHANGE:"orientationchange",LOCATION_CHANGED:"locationChanged",RELOCATED:"relocated",MARK_CLICKED:"markClicked",SELECTED:"selected",LAYOUT:"layout"},LAYOUT:{UPDATED:"updated"},ANNOTATION:{ATTACH:"attach",DETACH:"detach"}};class tc{constructor(t,e,i){this.spine=t,this.request=e,this.pause=i||100,this.q=ne

1w ta(this),this.epubcfi=new J,this._locations=[],this._locationsWords=[],this.total=0,this.break=150,this._current=0,this._wordCounter=0,this.currentLocation="",this._currentCfi="",this.processingTimeout=void 0}generate(t){return t&&(this.break=t),this.q.pause(),this.spine.each((function(t){t.linear&&this.q.enqueue(this.process.bind(this),t)}).bind(this)),this.q.run().then((function(){return this.total=this._locations.length-1,this._currentCfi&&(this.currentLocation=this._currentCfi),this._locations}).bind(this))}createRange(){return{startContainer:void 0,startOffset:void 0,endContainer:void 0,endOffset:void 0}}process(t){return t.load(this.request).then((function(e){var i=new U,r=this.parse(e,t.cfiBase);return this._locations=this._locations.concat(r),t.unload(),this.processingTimeout=setTimeout(()=>i.resolve(r),this.pause),i.promise}).bind(this))}parse(t,e,i){var r,n,s=[],o=I(t.ownerDocument,"body"),a=0,h=i||this.break;if(M(o,(function(t){var i,o=t.length,l=0;if(0===t.textContent.trim().length)return!1;for(0==a&&((r=this.createRange()).startContainer=t,r.startOffset=0),(i=h-a)>o&&(a+=o,l=o);l<o;)if(i=h-a,0===a&&(l+=1,(r=this.createRange()).startContainer=t,r.startOffset=l),l+i>=o)a+=o-l,l=o;else{l+=i,r.endContainer=t,r.endOffset=l;let n=new J(r,e).toString();s.push(n),a=0}n=t}).bind(this)),r&&r.startContainer&&n){r.endContainer=n,r.endOffset=n.length;let t=new J(r,e).toString();s.push(t),a=0}return s}generateFromWords(t,e,i){var r=t?new J(t):void 0;return this.q.pause(),this._locationsWords=[],this._wordCounter=0,this.spine.each((function(t){t.linear&&(r?t.index>=r.spinePos&&this.q.enqueue(this.processWords.bind(this),t,e,r,i):this.q.enqueue(this.processWords.bind(this),t,e,r,i))}).bind(this)),this.q.run().then((function(){return this._currentCfi&&(this.currentLocation=this._currentCfi),this._locationsWords}).bind(this))}processWords(t,e,i,r){return r&&this._locationsWords.length>=r?Promise.resolve():t.load(this.request).then((function(n){var s=new U,o=this.parseWords(n,t,e,i),a=r-this._locationsWords.length;return this._locationsWords=this._locationsWords.concat(o.length>=r?o.slice(0,a):o),t.unload(),this.processingTimeout=setTimeout(()=>s.resolve(o),this.pause),s.promise}).bind(this))}countWords(t){return(t=(t=(t=t.replace(/(^\s*)|(\s*$)/gi,"")).replace(/[ ]{2,}/gi," ")).replace(/\n /,"\n")).split(" ").length}parseWords(t,e,i,r){var n,s=e.cfiBase,o=[],a=I(t.ownerDocument,"body"),h=!r||r.spinePos!==e.index;

1return r&&e.index===r.spinePos&&(n=r.findNode(r.range?r.path.steps.concat(r.start.steps):r.path.steps,t.ownerDocument)),M(a,(function(t){if(!h)if(t!==n)return!1;else h=!0;if(t.textContent.length<10&&0===t.textContent.trim().length)return!1;var e,r=this.countWords(t.textContent),a=0;if(0===r)return!1;for((e=i-this._wordCounter)>r&&(this._wordCounter+=r,a=r);a<r;)if(a+(e=i-this._wordCounter)>=r)this._wordCounter+=r-a,a=r;else{a+=e;let i=new J(t,s);o.push({cfi:i.toString(),wordCount:this._wordCounter}),this._wordCounter=0}}).bind(this)),o}locationFromCfi(t){let e;return(J.prototype.isCfiString(t)&&(t=new J(t)),0===this._locations.length)?-1:(e=y(t,this._locations,this.epubcfi.compare))>this.total?this.total:e}percentageFromCfi(t){if(0===this._locations.length)return null;var e=this.locationFromCfi(t);return this.percentageFromLocation(e)}percentageFromLocation(t){return t&&this.total?t/this.total:0}cfiFromLocation(t){var e=-1;return"number"!=typeof t&&(t=parseInt(t)),t>=0&&t<this._locations.length&&(e=this._locations[t]),e}cfiFromPercentage(t){let e;if(t>1&&console.warn("Normalize cfiFromPercentage value to between 0 - 1"),t>=1){let t=new J(this._locations[this.total]);return t.collapse(),t.toString()}return e=Math.ceil(this.total*t),this.cfiFromLocation(e)}load(t){return"string"==typeof t?this._locations=JSON.parse(t):this._locations=t,this.total=this._locations.length-1,this._locations}save(){return JSON.stringify(this._locations)}getCurrent(){return this._current}setCurrent(t){var e;if("string"==typeof t)this._currentCfi=t;else{if("number"!=typeof t)return;this._current=t}0!==this._locations.length&&("string"==typeof t?(e=this.locationFromCfi(t),this._current=e):e=t,this.emit(tl.LOCATIONS.CHANGED,{percentage:this.percentageFromLocation(e)}))}get currentLocation(){return this._current}set currentLocation(t){this.setCurrent(t)}length(){return this._locations.length}destroy(){this.spine=void 0,this.request=void 0,this.pause=void 0,this.q.stop(),this.q=void 0,this.epubcfi=void 0,this._locations=void 0,this.total=void 0,this.break=void 0,this._current=void 0,this.currentLocation=void 0,this._currentCfi=void 0,clearTimeout(this.processingTimeout)}}s()(tc.prototype);class tu{constructor(t){this.packagePath="",this.directory="",this.encoding="",t&&this.parse(t)}parse(t){var e;if(!t)throw Error("Container File Not Found");if(!(e=I(t,"rootfile")))throw Error("No RootFile Found");this.packagePath=e.getAttribute("full-path"),this.directory=$().dirname(this.packagePath),this.encoding=t.xmlEncoding}destroy(){this.packagePath=void 0,this.directory=void 0,this.encoding=void 0}}class td{constructor(t){this.manifest={},this.navPath="",this.ncxPath="",this.coverPath="",this.spineNodeIndex=0,this.spine=[],this.metadata={},t&&this.parse(t)}parse(t){var e,i,r;if(!t)throw Error("Package File Not Found");if(!(e=I(t,"metadata")))throw Error("No Metadata Found");if(!(i=I(t,"manifest")))throw Error("No Manifest Found");if(!(r=I(t,"spine")))throw Error("No Spine Found");return this.manifest=this.parseManifest(i),this.navPath=this.findNavPath(i),this.ncxPath=this.findNcxPath(i,r),this.coverPath=this.findCoverPath(t),this.spineNodeIndex=N(r),this.spine=this.parseSpine(r,this.manifest),this.uniqueIdentifier=this.findUniqueIdentifier(t),this.metadata=this.parseMetadata(e),this.metadata.direction=r.getAttribute("page-progression-direction"),{metadata:this.metadata,spine:this.spine,manifest:this.manifest,navPath:this.navPath,ncxPath:this.ncxPath,coverPath:this.coverPath,spineNodeIndex:this.spineNodeIndex}}parseMetadata(t){var e={};return e.title=this.getElementText(t,"title"),e.creator=this.getElementText(t,"creator"),e.description=this.getElementText(t,"description"),e.pubdate=this.getElementText(t,"date"),e.publisher=this.getElementText(t,"publisher"),e.identifier=this.getElementText(t,"identifier"),e.language=this.getElementText(t,"language"),e.rights=this.getElementText(t,"rights"),e.modified_date=this.getPropertyText(t,"dcterms:modified"),e.layout=this.getPropertyText(t,"rendition:layout"),e.orientation=this.getPropertyText(t,"rendition:orientation"),e.flow=this.getPropertyText(t,"rendition:flow"),e.viewport=this.getPropertyText(t,"rendition:viewport"),e.media_active_class=this.getPropertyText(t,"media:active-class"),e.spread=this.getPropertyText(t,"rendition:spread"),e}parseManifest(t){var e={},i=q(t,"item");

1return Array.prototype.slice.call(i).forEach(function(t){var i=t.getAttribute("id"),r=t.getAttribute("href")||"",n=t.getAttribute("media-type")||"",s=t.getAttribute("media-overlay")||"",o=t.getAttribute("properties")||"";e[i]={href:r,type:n,overlay:s,properties:o.length?o.split(" "):[]}}),e}parseSpine(t,e){var i=[],r=q(t,"itemref");return Array.prototype.slice.call(r).forEach(function(t,e){var r=t.getAttribute("idref"),n=t.getAttribute("properties")||"",s=n.length?n.split(" "):[],o={id:t.getAttribute("id"),idref:r,linear:t.getAttribute("linear")||"yes",properties:s,index:e};i.push(o)}),i}findUniqueIdentifier(t){var e=t.documentElement.getAttribute("unique-identifier");if(!e)return"";var i=t.getElementById(e);return i&&"identifier"===i.localName&&"http://purl.org/dc/elements/1.1/"===i.namespaceURI&&i.childNodes.length>0?i.childNodes[0].nodeValue.trim():""}findNavPath(t){var e=P(t,"item",{properties:"nav"});return!!e&&e.getAttribute("href")}findNcxPath(t,e){var i,r=P(t,"item",{"media-type":"application/x-dtbncx+xml"});return!r&&(i=e.getAttribute("toc"))&&(r=t.querySelector(`#${i}`)),!!r&&r.getAttribute("href")}findCoverPath(t){I(t,"package").getAttribute("version");var e=P(t,"item",{properties:"cover-image"});if(e)return e.getAttribute("href");var i=P(t,"meta",{name:"cover"});if(!i)return!1;var r=i.getAttribute("content"),n=t.getElementById(r);return n?n.getAttribute("href"):""}getElementText(t,e){var i,r=t.getElementsByTagNameNS("http://purl.org/dc/elements/1.1/",e);return r&&0!==r.length&&(i=r[0]).childNodes.length?i.childNodes[0].nodeValue:""}getPropertyText(t,e){var i=P(t,"meta",{property:e});return i&&i.childNodes.length?i.childNodes[0].nodeValue:""}load(t){this.metadata=t.metadata;let e=t.readingOrder||t.spine;return this.spine=e.map((t,e)=>(t.index=e,t.linear=t.linear||"yes",t)),t.resources.forEach((t,e)=>{this.manifest[e]=t,t.rel&&"cover"===t.rel[0]&&(this.coverPath=t.href)}),this.spineNodeIndex=0,this.toc=t.toc.map((t,e)=>(t.label=t.title,t)),{metadata:this.metadata,spine:this.spine,manifest:this.manifest,navPath:this.navPath,ncxPath:this.ncxPath,coverPath:this.coverPath,spineNodeIndex:this.spineNodeIndex,toc:this.toc}}destroy(){this.manifest=void 0,this.navPath=void 0,this.ncxPath=void 0,this.coverPath=void 0,this.spineNodeIndex=void 0,this.spine=void 0,this.metadata=void 0}}class tp{constructor(t){this.toc=[],this.tocByHref={},this.tocById={},this.landmarks=[],this.landmarksByType={},this.length=0,t&&this.parse(t)}parse(t){let e,i,r=t.nodeType;r&&(e=I(t,"html"),i=I(t,"ncx")),r?e?(this.toc=this.parseNav(t),this.landmarks=this.parseLandmarks(t)):i&&(this.toc=this.parseNcx(t)):this.toc=this.load(t),this.length=0,this.unpack(this.toc)}unpack(t){for(var e,i=0;i<t.length;i++)(e=t[i]).href&&(this.tocByHref[e.href]=i),e.id&&(this.tocById[e.id]=i),this.length++,e.subitems.length&&this.unpack(e.subitems)}get(t){var e;return t?(0===t.indexOf("#")?e=this.tocById[t.substring(1)]:t in this.tocByHref&&(e=this.tocByHref[t]),this.getByIndex(t,e,this.toc)):this.toc}getByIndex(t,e,i){if(0===i.length)return;let r=i[e];if(r&&(t===r.id||t===r.href))return r;{let r;for(let n=0;n<i.length&&!(r=this.getByIndex(t,e,i[n].subitems));++n);return r}}landmark(t){var e;return t?(e=this.landmarksByType[t],this.landmarks[e]):this.landmarks}parseNav(t){var e=F(t,"nav","toc"),i=[];if(!e)return i;let r=V(e,"ol",!0);return r?i=this.parseNavList(r):i}parseNavList(t,e){let i=[];if(!t||!t.children)return i;for(let r=0;r<t.children.length;r++){let n=this.navItem(t.children[r],e);n&&i.push(n)}return i}navItem(t,e){let i=t.getAttribute("id")||void 0,r=V(t,"a",!0)||V(t,"span",!0);if(!r)return;let n=r.getAttribute("href")||"";i||(i=n);let s=r.textContent||"",o=[],a=V(t,"ol",!0);return a&&(o=this.parseNavList(a,i)),{id:i,href:n,label:s,subitems:o,parent:e}}parseLandmarks(t){var e,i,r=F(t,"nav","landmarks"),n=r?q(r,"li"):[],s=n.length,o=[];if(!n||0===s)return o;for(e=0;e<s;++e)(i=this.landmarkItem(n[e]))&&(o.push(i),this.landmarksByType[i.type]=e);return o}landmarkItem(t){let e=V(t,"a",!0);if(!e)return;let i=e.getAttributeNS("http://www.idpf.org/2007/ops","type")||void 0;return{href:e.getAttribute("href")||"",label:e.textContent||"",type:i}}parseNcx(t){var e,i,r=q(t,"navPoint"),n=r.length,s={},o=[];if(!r||0===n)return o;for(e=0;e<n;++e)s[(i=this.ncxItem(r[e])).id]=i,i.parent?s[i.parent].subitems.push(i):o.push(i);return o}ncxItem(t){var e,i=t.getAttribute("id")||!1,r=I(t,"content").getAttribute("src"),n=I(t,"navLabel"),s=n.textContent?n.textContent:"",o=t.parentNode;return o&&("navPoint"===o.nodeName||"navPoint"===o.nodeName.split(":").slice(-1)[0])&&(e=o.getAttribute("id")),{id:i,href:r,label:s,subitems:[],parent:e}}load(t){return t.map(t=>(t.label=t.title,t.subitems=t.children?this.load(t.children):[],t))}forEach(t){return this.toc.forEach(t)}}var tf={application:{ecmascript:["es","ecma"],javascript:"js",ogg:"ogx",pdf:"pdf",postscript:["ps","ai","eps","epsi","epsf","eps2","eps3"],"rdf+xml":"rdf",smil:["smi","smil"],"xhtml+xml":["xhtml","xht"],xml:["xml","xsl","xsd","opf","ncx"],zip:"zip","x-httpd-eruby":"rhtml","x-latex":"latex","x-maker":["frm","maker","frame","fm","fb","book","fbdoc"],"x-object":"o","x-shockwave-flash":["swf","swfl"],"x-silverlight":"scr","epub+zip":"epub","font-tdpfr":"pfr","inkml+xml":["ink","inkml"],json:"json","jsonml+json":"jsonml","mathml+xml":"mathml","metalink+xml":"metalink",mp4:"mp4s","omdoc+xml":"omdoc",oxps:"oxps","vnd.amazon.ebook":"azw",widget:"wgt","x-dtbook+xml":"dtb","x-dtbresource+xml":"res","x-font-bdf":"bdf","x-font-ghostscript":"gsf","x-font-linux-psf":"psf","x-font-otf":"otf","x-font-pcf":"pcf","x-font-snf":"snf","x-font-ttf":["ttf","ttc"],"x-font-type1":["pfa","pfb","pfm","afm"],"x-font-woff":"woff","x-mobipocket-ebook":["prc","mobi"],"x-mspublisher":"pub","x-nzb":"nzb","x-tgif":"obj","xaml+xml":"xaml","xml-dtd":"dtd","xproc+xml":"xpl","xslt+xml":"xslt","internet-property-stream":"acx","x-compress":"z","x-compressed":"tgz","x-gzip":"gz"},audio:{flac:"flac",midi:["mid","midi","kar","rmi"],mpeg:["mpga","mpega","mp2","mp3","m4a","mp2a","m2a","m3a"],mpegurl:"m3u",ogg:["oga","ogg","spx"],"x-aiff":["aif","aiff","aifc"],"x-ms-wma":"wma","x-wav":"wav",adpcm:"adp",mp4:"mp4a",webm:"weba","x-aac":"aac","x-caf":"caf","x-matroska":"mka","x-pn-realaudio-plugin":"rmp",xm:"xm",mid:["mid","rmi"]},image:{gif:"gif",ief:"ief",jpeg:["jpeg","jpg","jpe"],pcx:"pcx",png:"png","svg+xml":["svg","svgz"],tiff:["tiff","tif"],"x-icon":"ico",bmp:"bmp",webp:"webp","x-pict":["pic","pct"],"x-tga":"tga","cis-cod":"cod"},text:{"cache-manifest":["manifest","appcache"],css:"css",csv:"csv",html:["html","htm","shtml","stm"],mathml:"mml",plain:["txt","text","brf","conf","def","list","log","in","bas"],richtext:"rtx","tab-separated-values":"tsv","x-bibtex":"bib"},video:{mpeg:["mpeg","mpg","mpe","m1v","m2v","mp2","mpa","mpv2"],mp4:["mp4","mp4v","mpg4"],quicktime:["qt","mov"],ogg:"ogv","vnd.mpegurl":["mxu","m4u"],"x-flv":"flv","x-la-asf":["lsf","lsx"],"x-mng":"mng","x-ms-asf":["asf","asx","asr"],"x-ms-wm":"wm","x-ms-wmv":"wmv","x-ms-wmx":"wmx","x-ms-wvx":"wvx","x-msvideo":"avi","x-sgi-movie":"movie","x-matroska":["mpv","mkv","mk3d","mks"],"3gpp2":"3g2",h261:"h261",h263:"h263",h264:"h264",jpeg:"jpgv",jpm:["jpm","jpgm"],mj2:["mj2","mjp2"],"vnd.ms-playready.media.pyv":"pyv","vnd.uvvu.mp4":["uvu","uvvu"],"vnd.vivo":"viv",webm:"webm","x-f4v":"f4v","x-m4v":"m4v","x-ms-vob":"vob","x-smv":"smv"}},tg=function(){var t,e,i,r,n={};for(t in tf)if(tf.hasOwnProperty(t)){for(e in tf[t])if(tf[t].hasOwnProperty(e))if("string"==typeof(i=tf[t][e]))n[i]=t+"/"+e;else for(r=0;r<i.length;r++)n[i[r]]=t+"/"+e}return n}();let tm={lookup:function(t){return t&&tg[t.split(".").pop().toLowerCase()]||"text/plain"}};class tv{constructor(t,e){this.settings={replacements:e&&e.replacements||"base64",archive:e&&e.archive,resolver:e&&e.resolver,request:e&&e.request},this.process(t)}process(t){this.manifest=t,this.resources=Object.keys(t).map(function(e){return t[e]}),this.replacementUrls=[],this.html=[],this.assets=[],this.css=[],this.urls=[],this.cssUrls=[],this.split(),this.splitUrls()}split(){this.html=this.resources.filter(function(t){if("application/xhtml+xml"===t.type||"text/html"===t.type)return!0}),this.assets=this.resources.filter(function(t){if("application/xhtml+xml"!==t.type&&"text/html"!==t.type)return!0}),this.css=this.resources.filter(function(t){if("text/css"===t.type)return!0})}splitUrls(){this.urls=this.assets.map((function(t){return t.href}).bind(this)),this.cssUrls=this.css.map(function(t){return t.href})}createUrl(t){var e=new Z(t),i=tm.lookup(e.filename);return this.settings.archive?this.settings.archive.createUrl(t,{base64:"base64"===this.settings.replacements}):"base64"===this.settings.replacements?this.settings.request(t,"blob").then(t=>j(t)).then(t=>A(t,i)):this.settings.request(t,"blob").then(t=>L(t,i))}replacements(){return"none"===this.settings.replacements?new 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1update(t){if(Object.keys(t).forEach(e=>{this.props[e]===t[e]&&delete t[e]}),Object.keys(t).length>0){let e=m(this.props,t);this.emit(tl.LAYOUT.UPDATED,e,t)}}}s()(tb.prototype);class tw{constructor(t){this.rendition=t,this._themes={default:{rules:{},url:"",serialized:""}},this._overrides={},this._current="default",this._injected=[],this.rendition.hooks.content.register(this.inject.bind(this)),this.rendition.hooks.content.register(this.overrides.bind(this))}register(){if(0!=arguments.length){if(1==arguments.length&&"object"==typeof arguments[0])return this.registerThemes(arguments[0]);if(1==arguments.length&&"string"==typeof arguments[0])return this.default(arguments[0]);if(2==arguments.length&&"string"==typeof arguments[1])return this.registerUrl(arguments[0],arguments[1]);if(2==arguments.length&&"object"==typeof arguments[1])return this.registerRules(arguments[0],arguments[1])}}default(t){if(t){if("string"==typeof t)return this.registerUrl("default",t);if("object"==typeof t)return 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i=this._themes[t];i&&e&&(i.url?e.addStylesheet(i.url):i.serialized?(e.addStylesheetCss(i.serialized,t),i.injected=!0):i.rules&&(e.addStylesheetRules(i.rules,t),i.injected=!0))}override(t,e,i){var r=this.rendition.getContents();this._overrides[t]={value:e,priority:!0===i},r.forEach(e=>{e.css(t,this._overrides[t].value,this._overrides[t].priority)})}removeOverride(t){var e=this.rendition.getContents();delete this._overrides[t],e.forEach(e=>{e.css(t)})}overrides(t){var e=this._overrides;for(var i in e)e.hasOwnProperty(i)&&t.css(i,e[i].value,e[i].priority)}fontSize(t){this.override("font-size",t)}font(t){this.override("font-family",t,!0)}destroy(){this.rendition=void 0,this._themes=void 0,this._overrides=void 0,this._current=void 0,this._injected=void 0}}class tx{constructor(t,e,i,r=!1){this.layout=t,this.horizontal="horizontal"===i,this.direction=e||"ltr",this._dev=r}section(t){var e=this.findRanges(t);return this.rangeListToCfiList(t.section.cfiBase,e)}page(t,e,i,r){var n,s=!!t&&!!t.document&&t.document.body;if(s){if(n=this.rangePairToCfiPair(e,{start:this.findStart(s,i,r),end:this.findEnd(s,i,r)}),!0===this._dev){let e=t.document,i=new J(n.start).toRange(e),r=new J(n.end).toRange(e),s=e.defaultView.getSelection(),o=e.createRange();s.removeAllRanges(),o.setStart(i.startContainer,i.startOffset),o.setEnd(r.endContainer,r.endOffset),s.addRange(o)}return n}}walk(t,e){if(!t||t.nodeType!==Node.TEXT_NODE){var i,r,n=function(t){return t.data.trim().length>0?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_REJECT};n.acceptNode=n;for(var s=document.createTreeWalker(t,NodeFilter.SHOW_TEXT,n,!1);(i=s.nextNode())&&!(r=e(i)););return r}}findRanges(t){for(var e,i,r=[],n=Math.ceil(t.contents.scrollWidth()/this.layout.spreadWidth)*this.layout.divisor,s=this.layout.columnWidth,o=this.layout.gap,a=0;a<n.pages;a++)e=(s+o)*a,i=s*(a+1)+o*a,r.push({start:this.findStart(t.document.body,e,i),end:this.findEnd(t.document.body,e,i)});return r}findStart(t,e,i){for(var r,n,s=[t],o=t;s.length;)if(r=s.shift(),n=this.walk(r,t=>{var r,n,a,h,l;if(l=E(t),this.horizontal&&"ltr"===this.direction){if(r=this.horizontal?l.left:l.top,n=this.horizontal?l.right:l.bottom,r>=e&&r<=i||n>e)return t;o=t,s.push(t)}else if(this.horizontal&&"rtl"===this.direction){if(r=l.left,(n=l.right)<=i&&n>=e||r<i)return t;o=t,s.push(t)}else{if(a=l.top,h=l.bottom,a>=e&&a<=i||h>e)return t;o=t,s.push(t)}}))return this.findTextStartRange(n,e,i);return this.findTextStartRange(o,e,i)}findEnd(t,e,i){for(var r,n,s=[t],o=t;s.length;)if(r=s.shift(),n=this.walk(r,t=>{var r,n,a,h,l;if(l=E(t),this.horizontal&&"ltr"===this.direction){if(r=Math.round(l.left),n=Math.round(l.right),r>i&&o)return o;if(n>i)return t;o=t,s.push(t)}else if(this.horizontal&&"rtl"===this.direction){if(r=Math.round(this.horizontal?l.left:l.top),(n=Math.round(this.horizontal?l.right:l.bottom))<e&&o)return o;if(r<e)return t;o=t,s.push(t)}else{if(a=Math.round(l.top),h=Math.round(l.bottom),a>i&&o)return o;if(h>i)return 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1expand(){this.emit(tl.CONTENTS.EXPAND)}listeners(){this.imageLoadListeners(),this.mediaQueryListeners(),this.addEventListeners(),this.addSelectionListeners(),"undefined"==typeof ResizeObserver?(this.resizeListeners(),this.visibilityListeners()):this.resizeObservers(),this.linksHandler()}removeListeners(){this.removeEventListeners(),this.removeSelectionListeners(),this.observer&&this.observer.disconnect(),clearTimeout(this.expanding)}resizeCheck(){let t=this.textWidth(),e=this.textHeight();(t!=this._size.width||e!=this._size.height)&&(this._size={width:t,height:e},this.onResize&&this.onResize(this._size),this.emit(tl.CONTENTS.RESIZE,this._size))}resizeListeners(){clearTimeout(this.expanding),requestAnimationFrame(this.resizeCheck.bind(this)),this.expanding=setTimeout(this.resizeListeners.bind(this),350)}visibilityListeners(){document.addEventListener("visibilitychange",()=>{"visible"===document.visibilityState&&!1===this.active?(this.active=!0,this.resizeListeners()):(this.active=!1,clearTimeout(this.expanding))})}transitionListeners(){let t=this.content;t.style.transitionProperty="font, font-size, font-size-adjust, font-stretch, font-variation-settings, font-weight, width, height",t.style.transitionDuration="0.001ms",t.style.transitionTimingFunction="linear",t.style.transitionDelay="0",this._resizeCheck=this.resizeCheck.bind(this),this.document.addEventListener("transitionend",this._resizeCheck)}mediaQueryListeners(){for(var t,e=this.document.styleSheets,i=(function(t){t.matches&&!this._expanding&&setTimeout(this.expand.bind(this),1)}).bind(this),r=0;r<e.length;r+=1){try{t=e[r].cssRules}catch(t){return}if(!t)return;for(var n=0;n<t.length;n+=1)t[n].media&&this.window.matchMedia(t[n].media.mediaText).addListener(i)}}resizeObservers(){this.observer=new ResizeObserver(t=>{requestAnimationFrame(this.resizeCheck.bind(this))}),this.observer.observe(this.document.documentElement)}mutationObservers(){this.observer=new MutationObserver(t=>{this.resizeCheck()}),this.observer.observe(this.document,{attributes:!0,childList:!0,characterData:!0,subtree:!0})}imageLoadListeners(){for(var t,e=this.document.querySelectorAll("img"),i=0;i<e.length;i++)void 0!==(t=e[i]).naturalWidth&&0===t.naturalWidth&&(t.onload=this.expand.bind(this))}fontLoadListeners(){this.document&&this.document.fonts&&this.document.fonts.ready.then((function(){this.resizeCheck()}).bind(this))}root(){return this.document?this.document.documentElement:null}locationOf(t,e){var i,r={left:0,top:0};if(!this.document)return r;if(this.epubcfi.isCfiString(t)){let n=new J(t).toRange(this.document,e);if(n){try{if(!n.endContainer||n.startContainer==n.endContainer&&n.startOffset==n.endOffset){let t=n.startContainer.textContent.indexOf(" ",n.startOffset);-1==t&&(t=n.startContainer.textContent.length),n.setEnd(n.startContainer,t)}}catch(t){console.error("setting end offset to start container length failed",t)}if(n.startContainer.nodeType===Node.ELEMENT_NODE)r.left=(i=n.startContainer.getBoundingClientRect()).left,r.top=i.top;else if(tS){let t=n.startContainer,e=new Range;try{1===t.nodeType?i=t.getBoundingClientRect():n.startOffset+2<t.length?(e.setStart(t,n.startOffset),e.setEnd(t,n.startOffset+2),i=e.getBoundingClientRect()):n.startOffset-2>0?(e.setStart(t,n.startOffset-2),e.setEnd(t,n.startOffset),i=e.getBoundingClientRect()):i=t.parentNode.getBoundingClientRect()}catch(t){console.error(t,t.stack)}}else i=n.getBoundingClientRect()}}else if("string"==typeof t&&t.indexOf("#")>-1){let e=t.substring(t.indexOf("#")+1),r=this.document.getElementById(e);if(r)if(tS){let t=new Range;t.selectNode(r),i=t.getBoundingClientRect()}else i=r.getBoundingClientRect()}return i&&(r.left=i.left,r.top=i.top),r}addStylesheet(t){return new Promise((function(e,i){var r,n=!1;return this.document?(r=this.document.querySelector("link[href='"+t+"']"))?void e(!0):void((r=this.document.createElement("link")).type="text/css",r.rel="stylesheet",r.href=t,r.onload=r.onreadystatechange=function(){n||this.readyState&&"complete"!=this.readyState||(n=!0,setTimeout(()=>{e(!0)},1))},this.document.head.appendChild(r)):void e(!1)}).bind(this))}_getStylesheetNode(t){var e;return t="epubjs-inserted-css-"+(t||""),!!this.document&&((e=this.document.getElementById(t))||((e=this.document.createElement("style")).id=t,this.document.head.appendChild(e)),e)}

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1{this.emit(tl.CONTENTS.LINK_CLICKED,t)})}writingMode(t){let e=f("writing-mode");return t&&this.documentElement&&(this.documentElement.style[e]=t),this.window.getComputedStyle(this.documentElement)[e]||""}layoutStyle(t){return t&&(this._layoutStyle=t,navigator.epubReadingSystem.layoutStyle=this._layoutStyle),this._layoutStyle||"paginated"}epubReadingSystem(t,e){return navigator.epubReadingSystem={name:t,version:e,layoutStyle:this.layoutStyle(),hasFeature:function(t){switch(t){case"dom-manipulation":case"layout-changes":case"touch-events":case"mouse-events":case"keyboard-events":return!0;default:return!1}}},navigator.epubReadingSystem}destroy(){this.removeListeners()}}s()(tT.prototype);class tN{constructor(t){this.rendition=t,this.highlights=[],this.underlines=[],this.marks=[],this._annotations={},this._annotationsBySectionIndex={},this.rendition.hooks.render.register(this.inject.bind(this)),this.rendition.hooks.unloaded.register(this.clear.bind(this))}add(t,e,i,r,n,s){let o=encodeURI(e+t),a=new J(e).spinePos,h=new tC({type:t,cfiRange:e,data:i,sectionIndex:a,cb:r,className:n,styles:s});return this._annotations[o]=h,a in this._annotationsBySectionIndex?this._annotationsBySectionIndex[a].push(o):this._annotationsBySectionIndex[a]=[o],this.rendition.views().forEach(t=>{h.sectionIndex===t.index&&h.attach(t)}),h}remove(t,e){let i=encodeURI(t+e);if(i in this._annotations){let t=this._annotations[i];if(e&&t.type!==e)return;this.rendition.views().forEach(e=>{this._removeFromAnnotationBySectionIndex(t.sectionIndex,i),t.sectionIndex===e.index&&t.detach(e)}),delete this._annotations[i]}}_removeFromAnnotationBySectionIndex(t,e){this._annotationsBySectionIndex[t]=this._annotationsAt(t).filter(t=>t!==e)}_annotationsAt(t){return this._annotationsBySectionIndex[t]}highlight(t,e,i,r,n){return this.add("highlight",t,e,i,r,n)}underline(t,e,i,r,n){return this.add("underline",t,e,i,r,n)}mark(t,e,i){return this.add("mark",t,e,i)}each(){return 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t&&("highlight"===r?e=t.unhighlight(i):"underline"===r?e=t.ununderline(i):"mark"===r&&(e=t.unmark(i))),this.mark=void 0,this.emit(tl.ANNOTATION.DETACH,e),e}text(){}}s()(tC.prototype);var t_=i(3630);class tL{constructor(t,e){this.settings=m({ignoreClass:"",axis:void 0,direction:void 0,width:0,height:0,layout:void 0,globalLayoutProperties:{},method:void 0,forceRight:!1,allowScriptedContent:!1,allowPopups:!1},e||{}),this.id="epubjs-view-"+l(),this.section=t,this.index=t.index,this.element=this.container(this.settings.axis),this.added=!1,this.displayed=!1,this.rendered=!1,this.fixedWidth=0,this.fixedHeight=0,this.epubcfi=new J,this.layout=this.settings.layout,this.pane=void 0,this.highlights={},this.underlines={},this.marks={}}container(t){var e=document.createElement("div");return e.classList.add("epub-view"),e.style.height="0px",e.style.width="0px",e.style.overflow="hidden",e.style.position="relative",e.style.display="block",t&&"horizontal"==t?e.style.flex="none":e.style.flex="initial",e}create(){return this.iframe||(this.element||(this.element=this.createContainer()),this.iframe=document.createElement("iframe"),this.iframe.id=this.id,this.iframe.scrolling="no",this.iframe.style.overflow="hidden",this.iframe.seamless="seamless",this.iframe.style.border="none",this.iframe.sandbox="allow-same-origin",this.settings.allowScriptedContent&&(this.iframe.sandbox+=" allow-scripts"),this.settings.allowPopups&&(this.iframe.sandbox+=" allow-popups"),this.iframe.setAttribute("enable-annotation","true"),this.resizing=!0,this.element.style.visibility="hidden",this.iframe.style.visibility="hidden",this.iframe.style.width="0",this.iframe.style.height="0",this._width=0,this._height=0,this.element.setAttribute("ref",this.index),this.added=!0,this.elementBounds=w(this.element),"srcdoc"in this.iframe?this.supportsSrcdoc=!0:this.supportsSrcdoc=!1,this.settings.method||(this.settings.method=this.supportsSrcdoc?"srcdoc":"write")),this.iframe}render(t,e){return this.create(),this.size(),this.sectionRender||(this.sectionRender=this.section.render(t)),this.sectionRender.then((function(t){return this.load(t)}).bind(this)).then((function(){let t,e=this.contents.writingMode();return t="scrolled"===this.settings.flow?0===e.indexOf("vertical")?"horizontal":"vertical":0===e.indexOf("vertical")?"vertical":"horizontal",0===e.indexOf("vertical")&&"paginated"===this.settings.flow&&(this.layout.delta=this.layout.height),this.setAxis(t),this.emit

1(tl.VIEWS.AXIS,t),this.setWritingMode(e),this.emit(tl.VIEWS.WRITING_MODE,e),this.layout.format(this.contents,this.section,this.axis),this.addListeners(),new Promise((t,e)=>{this.expand(),this.settings.forceRight&&(this.element.style.marginLeft=this.width()+"px"),t()})}).bind(this),(function(t){return this.emit(tl.VIEWS.LOAD_ERROR,t),new Promise((e,i)=>{i(t)})}).bind(this)).then((function(){this.emit(tl.VIEWS.RENDERED,this.section)}).bind(this))}reset(){this.iframe&&(this.iframe.style.width="0",this.iframe.style.height="0",this._width=0,this._height=0,this._textWidth=void 0,this._contentWidth=void 0,this._textHeight=void 0,this._contentHeight=void 0),this._needsReframe=!0}size(t,e){var i=t||this.settings.width,r=e||this.settings.height;"pre-paginated"===this.layout.name?this.lock("both",i,r):"horizontal"===this.settings.axis?this.lock("height",i,r):this.lock("width",i,r),this.settings.width=i,this.settings.height=r}lock(t,e,i){var r,n=x(this.element);r=this.iframe?x(this.iframe):{width:0,height:0},"width"==t&&d(e)&&(this.lockedWidth=e-n.width-r.width),"height"==t&&d(i)&&(this.lockedHeight=i-n.height-r.height),"both"===t&&d(e)&&d(i)&&(this.lockedWidth=e-n.width-r.width,this.lockedHeight=i-n.height-r.height),this.displayed&&this.iframe&&this.expand()}expand(t){var e,i=this.lockedWidth,r=this.lockedHeight;this.iframe&&!this._expanding&&(this._expanding=!0,"pre-paginated"===this.layout.name?(i=this.layout.columnWidth,r=this.layout.height):"horizontal"===this.settings.axis?((i=this.contents.textWidth())%this.layout.pageWidth>0&&(i=Math.ceil(i/this.layout.pageWidth)*this.layout.pageWidth),this.settings.forceEvenPages&&(e=i/this.layout.pageWidth,this.layout.divisor>1&&"reflowable"===this.layout.name&&e%2>0&&(i+=this.layout.pageWidth))):"vertical"===this.settings.axis&&(r=this.contents.textHeight(),"paginated"===this.settings.flow&&r%this.layout.height>0&&(r=Math.ceil(r/this.layout.height)*this.layout.height)),(this._needsReframe||i!=this._width||r!=this._height)&&this.reframe(i,r),this._expanding=!1)}reframe(t,e){var i;d(t)&&(this.element.style.width=t+"px",this.iframe.style.width=t+"px",this._width=t),d(e)&&(this.element.style.height=e+"px",this.iframe.style.height=e+"px",this._height=e);let r=this.prevBounds?t-this.prevBounds.width:t,n=this.prevBounds?e-this.prevBounds.height:e;i={width:t,height:e,widthDelta:r,heightDelta:n},this.pane&&this.pane.render(),requestAnimationFrame(()=>{let t;for(let e in this.marks)this.marks.hasOwnProperty(e)&&(t=this.marks[e],this.placeMark(t.element,t.range))}),this.onResize(this,i),this.emit(tl.VIEWS.RESIZED,i),this.prevBounds=i,this.elementBounds=w(this.element)}load(t){var e=new U,i=e.promise;if(!this.iframe)return e.reject(Error("No Iframe Available")),i;if(this.iframe.onload=(function(t){this.onLoad(t,e)}).bind(this),"blobUrl"===this.settings.method)this.blobUrl=L(t,"application/xhtml+xml"),this.iframe.src=this.blobUrl,this.element.appendChild(this.iframe);else if("srcdoc"===this.settings.method)this.iframe.srcdoc=t,this.element.appendChild(this.iframe);else{if(this.element.appendChild(this.iframe),this.document=this.iframe.contentDocument,!this.document)return e.reject(Error("No Document Available")),i;if(this.iframe.contentDocument.open(),window.MSApp&&MSApp.execUnsafeLocalFunction){var r=this;MSApp.execUnsafeLocalFunction(function(){r.iframe.contentDocument.write(t)})}else this.iframe.contentDocument.write(t);this.iframe.contentDocument.close()}return i}onLoad(t,e){this.window=this.iframe.contentWindow,this.document=this.iframe.contentDocument,this.contents=new tT(this.document,this.document.body,this.section.cfiBase,this.section.index),this.rendering=!1;var i=this.document.querySelector("link[rel='canonical']");i?i.setAttribute("href",this.section.canonical):((i=this.document.createElement("link")).setAttribute("rel","canonical"),i.setAttribute("href",this.section.canonical),this.document.querySelector("head").appendChild(i)),this.contents.on(tl.CONTENTS.EXPAND,()=>{this.displayed&&this.iframe&&(this.expand(),this.contents&&this.layout.format(this.contents))}),this.contents.on(tl.CONTENTS.RESIZE,t=>{this.displayed&&this.iframe&&(this.expand(),this.contents&&this.layout.format(this.contents))}),e.resolve(this.contents)}setLayout(t){this.layout=t,this.contents&&(this.layout.format(this.contents),this.expand())}setAxis(t){this.settings.axis=t,"horizontal"==t?this.element.style.flex="none":this.element.style.flex="initial",this.size()}setWritingMode(t){this.writingMode=t}addListeners(){}removeListeners(t){}display(t){var e=new U;return this.displayed?e.resolve(this):this.render(t).then((function(){this.emit

1(tl.VIEWS.DISPLAYED,this),this.onDisplayed(this),this.displayed=!0,e.resolve(this)}).bind(this),function(t){e.reject(t,this)}),e.promise}show(){this.element.style.visibility="visible",this.iframe&&(this.iframe.style.visibility="visible",this.iframe.style.transform="translateZ(0)",this.iframe.offsetWidth,this.iframe.style.transform=null),this.emit(tl.VIEWS.SHOWN,this)}hide(){this.element.style.visibility="hidden",this.iframe.style.visibility="hidden",this.stopExpanding=!0,this.emit(tl.VIEWS.HIDDEN,this)}offset(){return{top:this.element.offsetTop,left:this.element.offsetLeft}}width(){return this._width}height(){return this._height}position(){return this.element.getBoundingClientRect()}locationOf(t){this.iframe.getBoundingClientRect();var e=this.contents.locationOf(t,this.settings.ignoreClass);return{left:e.left,top:e.top}}onDisplayed(t){}onResize(t,e){}bounds(t){return(t||!this.elementBounds)&&(this.elementBounds=w(this.element)),this.elementBounds}highlight(t,e={},i,r="epubjs-hl",n={}){if(!this.contents)return;let s=Object.assign({fill:"yellow","fill-opacity":"0.3","mix-blend-mode":"multiply"},n),o=this.contents.range(t),a=()=>{this.emit(tl.VIEWS.MARK_CLICKED,t,e)};e.epubcfi=t,this.pane||(this.pane=new t_.Zv(this.iframe,this.element));let h=new t_.f4(o,r,e,s),l=this.pane.addMark(h);return this.highlights[t]={mark:l,element:l.element,listeners:[a,i]},l.element.setAttribute("ref",r),l.element.addEventListener("click",a),l.element.addEventListener("touchstart",a),i&&(l.element.addEventListener("click",i),l.element.addEventListener("touchstart",i)),l}underline(t,e={},i,r="epubjs-ul",n={}){if(!this.contents)return;let s=Object.assign({stroke:"black","stroke-opacity":"0.3","mix-blend-mode":"multiply"},n),o=this.contents.range(t),a=()=>{this.emit(tl.VIEWS.MARK_CLICKED,t,e)};e.epubcfi=t,this.pane||(this.pane=new t_.Zv(this.iframe,this.element));let h=new t_.z2(o,r,e,s),l=this.pane.addMark(h);return this.underlines[t]={mark:l,element:l.element,listeners:[a,i]},l.element.setAttribute("ref",r),l.element.addEventListener("click",a),l.element.addEventListener("touchstart",a),i&&(l.element.addEventListener("click",i),l.element.addEventListener("touchstart",i)),l}mark(t,e={},i){if(!this.contents)return;if(t in this.marks)return this.marks[t];let r=this.contents.range(t);if(!r)return;let n=r.commonAncestorContainer,s=1===n.nodeType?n:n.parentNode,o=i=>{this.emit(tl.VIEWS.MARK_CLICKED,t,e)};r.collapsed&&1===n.nodeType?(r=new Range).selectNodeContents(n):r.collapsed&&(r=new Range).selectNodeContents(s);let a=this.document.createElement("a");return a.setAttribute("ref","epubjs-mk"),a.style.position="absolute",a.dataset.epubcfi=t,e&&Object.keys(e).forEach(t=>{a.dataset[t]=e[t]}),i&&(a.addEventListener("click",i),a.addEventListener("touchstart",i)),a.addEventListener("click",o),a.addEventListener("touchstart",o),this.placeMark(a,r),this.element.appendChild(a),this.marks[t]={element:a,range:r,listeners:[o,i]},s}placeMark(t,e){let i,r,n;if("pre-paginated"===this.layout.name||"horizontal"!==this.settings.axis){let t=e.getBoundingClientRect();i=t.top,r=t.right}else{let t,o=e.getClientRects();for(var s=0;s!=o.length;s++)t=o[s],(!n||t.left<n)&&(r=Math.ceil((n=t.left)/this.layout.props.pageWidth)*this.layout.props.pageWidth-this.layout.gap/2,i=t.top)}t.style.top=`${i}px`,t.style.left=`${r}px`}unhighlight(t){let e;t in this.highlights&&(e=this.highlights[t],this.pane.removeMark(e.mark),e.listeners.forEach(t=>{t&&(e.element.removeEventListener("click",t),e.element.removeEventListener("touchstart",t))}),delete this.highlights[t])}ununderline(t){let e;t in this.underlines&&(e=this.underlines[t],this.pane.removeMark(e.mark),e.listeners.forEach(t=>{t&&(e.element.removeEventListener("click",t),e.element.removeEventListener("touchstart",t))}),delete this.underlines[t])}unmark(t){let e;t in this.marks&&(e=this.marks[t],this.element.removeChild(e.element),e.listeners.forEach(t=>{t&&(e.element.removeEventListener("click",t),e.element.removeEventListener("touchstart",t))}),delete this.marks[t])}destroy(){for(let t in this.highlights)this.unhighlight(t);for(let t in this.underlines)this.ununderline(t);for(let t in this.marks)this.unmark(t);this.blobUrl&&k(this.blobUrl),this.displayed&&(this.displayed=!1,this.removeListeners(),this.contents.destroy(),this.stopExpanding=!0,this.element.removeChild(this.iframe),this.pane&&(this.pane.element.remove(),this.pane=void 0),this.iframe=void 0,this.contents=void 0,this._textWidth=null,this._textHeight=null,this._width=null,this._height=null)}}s()(tL.prototype);var tk=i(2654),tA=i.n(tk);class tR{constructor(t){this.settings=t||{},this.id="epubjs-container-"+l(),this.container=this.create(this.settings),this.settings.hidden&&(this.wrapper=this.wrap(this.container))}create(t){let e=t.height,i=t.width,r=t.overflow||!1,n=t.axis||"vertical",s=t.direction;m(this.settings,t),t.height&&d(t.height)&&(e=t.height+"px"),t.width&&d(t.width)&&(i=t.width+"px");let o=document.createElement("div");return o.id=this.id,o.classList.add("epub-container"),o.style.wordSpacing="0",o.style.lineHeight="0",o.style.verticalAlign="top",o.style.position="relative","horizontal"===n&&(o.style.display="flex",o.style.flexDirection="row",o.style.flexWrap="nowrap"),i&&(o.style.width=i),e&&(o.style.height=e),r&&("scroll"===r&&"vertical"===n?(o.style["overflow-y"]=r,o.style["overflow-x"]="hidden"):"scroll"===r&&"horizontal"===n?(o.style["overflow-y"]="hidden",o.style["overflow-x"]=r):o.style.overflow=r),s&&(o.dir=s,o.style.direction=s),s&&this.settings.fullsize&&(document.body.style.direction=s),o}wrap(t){var e=document.createElement("div");return e.style.visibility="hidden",e.style.overflow="hidden",e.style.width="0",e.style.height="0",e.appendChild(t),e}getElement(t){var e;if(u(t)?e=t:"string"==typeof t&&(e=document.getElementById(t)),!e)throw Error("Not an Element");return e}attachTo(t){var e,i=this.getElement(t);if(i)return e=this.settings.hidden?this.wrapper:this.container,i.appendChild(e),this.element=i,i}getContainer(){return this.container}onResize(t){d(this.settings.width)&&d(this.settings.height)||(this.resizeFunc=tA(

1)(t,50),window.addEventListener("resize",this.resizeFunc,!1))}onOrientationChange(t){this.orientationChangeFunc=t,window.addEventListener("orientationchange",this.orientationChangeFunc,!1)}size(t,e){var i;let r=t||this.settings.width,n=e||this.settings.height;null===t?(i=this.element.getBoundingClientRect()).width&&(t=Math.floor(i.width),this.container.style.width=t+"px"):d(t)?this.container.style.width=t+"px":this.container.style.width=t,null===e?(i=i||this.element.getBoundingClientRect()).height&&(e=i.height,this.container.style.height=e+"px"):d(e)?this.container.style.height=e+"px":this.container.style.height=e,d(t)||(t=this.container.clientWidth),d(e)||(e=this.container.clientHeight),this.containerStyles=window.getComputedStyle(this.container),this.containerPadding={left:parseFloat(this.containerStyles["padding-left"])||0,right:parseFloat(this.containerStyles["padding-right"])||0,top:parseFloat(this.containerStyles["padding-top"])||0,bottom:parseFloat(this.containerStyles["padding-bottom"])||0};let s=D(),o=window.getComputedStyle(document.body),a={left:parseFloat(o["padding-left"])||0,right:parseFloat(o["padding-right"])||0,top:parseFloat(o["padding-top"])||0,bottom:parseFloat(o["padding-bottom"])||0};return r||(t=s.width-a.left-a.right),(!this.settings.fullsize||n)&&n||(e=s.height-a.top-a.bottom),{width:t-this.containerPadding.left-this.containerPadding.right,height:e-this.containerPadding.top-this.containerPadding.bottom}}bounds(){let t;return("visible"!==this.container.style.overflow&&(t=this.container&&this.container.getBoundingClientRect()),t&&t.width&&t.height)?t:D()}getSheet(){var t=document.createElement("style");return t.appendChild(document.createTextNode("")),document.head.appendChild(t),t.sheet}addStyleRules(t,e){var i="#"+this.id+" ",r="";this.sheet||(this.sheet=this.getSheet()),e.forEach(function(t){for(var e in t)t.hasOwnProperty(e)&&(r+=e+":"+t[e]+";")}),this.sheet.insertRule(i+t+" {"+r+"}",0)}axis(t){"horizontal"===t?(this.container.style.display="flex",this.container.style.flexDirection="row",this.container.style.flexWrap="nowrap"):this.container.style.display="block",this.settings.axis=t}direction(t){this.container&&(this.container.dir=t,this.container.style.direction=t),this.settings.fullsize&&(document.body.style.direction=t),this.settings.dir=t}overflow(t){this.container&&("scroll"===t&&"vertical"===this.settings.axis?(this.container.style["overflow-y"]=t,this.container.style["overflow-x"]="hidden"):"scroll"===t&&"horizontal"===this.settings.axis?(this.container.style["overflow-y"]="hidden",this.container.style["overflow-x"]=t):this.container.style.overflow=t),this.settings.overflow=t}destroy(){this.element&&(this.settings.hidden?this.wrapper:this.container,this.element.contains(this.container)&&this.element.removeChild(this.container),window.removeEventListener("resize",this.resizeFunc),window.removeEventListener("orientationChange",this.orientationChangeFunc))}}class tO{constructor(t){this.container=t,this._views=[],this.length=0,this.hidden=!1}all(){return this._views}first(){return this._views[0]}last(){return this._views[this._views.length-1]}indexOf(t){return this._views.indexOf(t)}slice(){return this._views.slice.apply(this._views,arguments)}get(t){return this._views[t]}append(t){return this._views.push(t),this.container&&this.container.appendChild(t.element),this.length++,t}prepend(t){return this._views.unshift(t),this.container&&this.container.insertBefore(t.element,this.container.firstChild),this.length++,t}insert(t,e){return this._views.splice(e,0,t),this.container&&(e<this.container.children.length?this.container.insertBefore(t.element,this.container.children[e]):this.container.appendChild(t.element)),this.length++,t}remove(t){var e=this._views.indexOf(t);e>-1&&this._views.splice(e,1),this.destroy(t),this.length--}destroy(t){t.displayed&&t.destroy(),this.container&&this.container.removeChild(t.element),t=null}forEach(){return this._views.forEach.apply(this._views,arguments)}clear(){var t,e=this.length;if(this.length){for(var i=0;i<e;i++)t=this._views[i],this.destroy(t);this._views=[],this.length=0}}find(t){for(var e,i=this.length,r=0;r<i;r++)if((e=this._views[r]).displayed&&e.section.index==t.index)return e}displayed(){for(var t,e=[],i=this.length,r=0;r<i;r++)(t=this._views[r]).displayed&&e.push(t);return e}show(){for(var t,e=this.length,i=0;i<e;i++)(t=this._views[i]).displayed&&t.show();this.hidden=!1}hide(){for(var t,e=this.length,i=0;i<e;i++)(t=this._views[i]).displayed&&t.hide();this.hidden=!0}}

1class tI{constructor(t){this.name="default",this.optsSettings=t.settings,this.View=t.view,this.request=t.request,this.renditionQueue=t.queue,this.q=new ta(this),this.settings=m(this.settings||{},{infinite:!0,hidden:!1,width:void 0,height:void 0,axis:void 0,writingMode:void 0,flow:"scrolled",ignoreClass:"",fullsize:void 0,allowScriptedContent:!1,allowPopups:!1}),m(this.settings,t.settings||{}),this.viewSettings={ignoreClass:this.settings.ignoreClass,axis:this.settings.axis,flow:this.settings.flow,layout:this.layout,method:this.settings.method,width:0,height:0,forceEvenPages:!0,allowScriptedContent:this.settings.allowScriptedContent,allowPopups:this.settings.allowPopups},this.rendered=!1}render(t,e){var i,r,n,s,o,a;let h=t.tagName;void 0===this.settings.fullsize&&h&&("body"==h.toLowerCase()||"html"==h.toLowerCase())&&(this.settings.fullsize=!0),this.settings.fullsize&&(this.settings.overflow="visible",this.overflow=this.settings.overflow),this.settings.size=e,this.settings.rtlScrollType=(i="reverse",(n=document.createElement("div")).dir="rtl",n.style.position="fixed",n.style.width="1px",n.style.height="1px",n.style.top="0px",n.style.left="0px",n.style.overflow="hidden",(s=document.createElement("div")).style.width="2px",(o=document.createElement("span")).style.width="1px",o.style.display="inline-block",(a=document.createElement("span")).style.width="1px",a.style.display="inline-block",s.appendChild(o),s.appendChild(a),n.appendChild(s),r=n,document.body.appendChild(r),r.scrollLeft>0?i="default":"undefined"!=typeof Element&&Element.prototype.scrollIntoView?(r.children[0].children[1].scrollIntoView(),r.scrollLeft<0&&(i="negative")):(r.scrollLeft=1,0===r.scrollLeft&&(i="negative")),document.body.removeChild(r),i),this.stage=new tR({width:e.width,height:e.height,overflow:this.overflow,hidden:this.settings.hidden,axis:this.settings.axis,fullsize:this.settings.fullsize,direction:this.settings.direction}),this.stage.attachTo(t),this.container=this.stage.getContainer(),this.views=new tO(this.container),this._bounds=this.bounds(),this._stageSize=this.stage.size(),this.viewSettings.width=this._stageSize.width,this.viewSettings.height=this._stageSize.height,this.stage.onResize(this.onResized.bind(this)),this.stage.onOrientationChange(this.onOrientationChange.bind(this)),this.addEventListeners(),this.layout&&this.updateLayout(),this.rendered=!0}addEventListeners(){var t;window.addEventListener("unload",(function(t){this.destroy()}).bind(this)),t=this.settings.fullsize?window:this.container,this._onScroll=this.onScroll.bind(this),t.addEventListener("scroll",this._onScroll)}removeEventListeners(){(this.settings.fullsize?window:this.container).removeEventListener("scroll",this._onScroll),this._onScroll=void 0}destroy(){clearTimeout(this.orientationTimeout),clearTimeout(this.resizeTimeout),clearTimeout(this.afterScrolled),this.clear(),this.removeEventListeners(),this.stage.destroy(),this.rendered=!1}onOrientationChange(t){let{orientation:e}=window;

1this.optsSettings.resizeOnOrientationChange&&this.resize(),clearTimeout(this.orientationTimeout),this.orientationTimeout=setTimeout((function(){this.orientationTimeout=void 0,this.optsSettings.resizeOnOrientationChange&&this.resize(),this.emit(tl.MANAGERS.ORIENTATION_CHANGE,e)}).bind(this),500)}onResized(t){this.resize()}resize(t,e,i){let r=this.stage.size(t,e);if(this.winBounds=D(),this.orientationTimeout&&this.winBounds.width===this.winBounds.height){this._stageSize=void 0;return}this._stageSize&&this._stageSize.width===r.width&&this._stageSize.height===r.height||(this._stageSize=r,this._bounds=this.bounds(),this.clear(),this.viewSettings.width=this._stageSize.width,this.viewSettings.height=this._stageSize.height,this.updateLayout(),this.emit(tl.MANAGERS.RESIZED,{width:this._stageSize.width,height:this._stageSize.height},i))}createView(t,e){return new this.View(t,m(this.viewSettings,{forceRight:e}))}handleNextPrePaginated(t,e,i){let r;if("pre-paginated"===this.layout.name&&this.layout.divisor>1){if(t||0===e.index)return;if((r=e.next())&&!r.properties.includes("page-spread-left"))return i.call(this,r)}}display(t,e){var i=new U,r=i.promise;(e===t.href||d(e))&&(e=void 0);var n=this.views.find(t);if(n&&t&&"pre-paginated"!==this.layout.name){let t=n.offset();if("ltr"===this.settings.direction)this.scrollTo(t.left,t.top,!0);else{let e=n.width();this.scrollTo(t.left+e,t.top,!0)}if(e){let t=n.locationOf(e),i=n.width();this.moveTo(t,i)}return i.resolve(),r}this.clear();let s=!1;return"pre-paginated"===this.layout.name&&2===this.layout.divisor&&t.properties.includes("page-spread-right")&&(s=!0),this.add(t,s).then((function(t){if(e){let i=t.locationOf(e),r=t.width();this.moveTo(i,r)}}).bind(this),t=>{i.reject(t)}).then((function(){return this.handleNextPrePaginated(s,t,this.add)}).bind(this)).then((function(){this.views.show(),i.resolve()}).bind(this)),r}afterDisplayed(t){this.emit(tl.MANAGERS.ADDED,t)}afterResized(t){this.emit(tl.MANAGERS.RESIZE,t.section)}moveTo(t,e){var i=0,r=0;this.isPaginated?((i=Math.floor(t.left/this.layout.delta)*this.layout.delta)+this.layout.delta>this.container.scrollWidth&&(i=this.container.scrollWidth-this.layout.delta),(r=Math.floor(t.top/this.layout.delta)*this.layout.delta)+this.layout.delta>this.container.scrollHeight&&(r=this.container.scrollHeight-this.layout.delta)):r=t.top,"rtl"===this.settings.direction&&(i+=this.layout.delta,i-=e),this.scrollTo(i,r,!0)}add(t,e){var i=this.createView(t,e);return this.views.append(i),i.onDisplayed=this.afterDisplayed.bind(this),i.onResize=this.afterResized.bind(this),i.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),i.display(this.request)}append(t,e){var i=this.createView(t,e);return this.views.append(i),i.onDisplayed=this.afterDisplayed.bind(this),i.onResize=this.afterResized.bind(this),i.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),i.display(this.request)}prepend(t,e){var i=this.createView(t,e);return i.on(tl.VIEWS.RESIZED,t=>{this.counter(t)}),this.views.prepend(i),i.onDisplayed=this.afterDisplayed.bind(this),i.onResize=this.afterResized.bind(this),i.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),i.display(this.request)}counter(t){"vertical"===this.settings.axis?this.scrollBy(0,t.heightDelta,!0):this.scrollBy(t.widthDelta,0,!0)}next(){var t;let e=this.settings.direction;if(this.views.length&&(this.isPaginated&&"horizontal"===this.settings.axis&&(!e||"ltr"===e)?(this.scrollLeft=this.container.scrollLeft,this.container.scrollLeft+this.container.offsetWidth+this.layout.delta<=this.container.scrollWidth?this.scrollBy(this.layout.delta,0,!0):t=this.views.last().section.next()):this.isPaginated&&"horizontal"===this.settings.axis&&"rtl"===e?(this.scrollLeft=this.container.scrollLeft,"default"===this.settings.rtlScrollType?this.container.scrollLeft>0?this.scrollBy(this.layout.delta,0,!0):t=this.views.last().section.next():this.container.scrollLeft+-1*this.layout.delta>-1*this.container.scrollWidth?this.scrollBy(this.layout.delta,0,!0):t=this.views.last().section.next()):this.isPaginated&&"vertical"===this.settings.axis?(this.scrollTop=this.container.scrollTop,this.container.scrollTop+this.container.offsetHeight<this.container.scrollHeight?this.scrollBy(0,this.layout.height,!0):t=this.views.last().section.next()):t=this.views.last().section.next(),t)){this.clear(),this.updateLayout();let e=!1;return"pre-paginated"===this.layout.name&&2===this.layout.divisor&&t.properties.includes("page-spread-right")&&(e=!0),this.append(t,e).then((function(){return this.handleNextPrePaginated(e,t,this.append)}).bind(this),t=>t).then((function(){this.isPaginated||"horizontal"!==this.settings.axis||"rtl"!==this.settings.direction||"default"!==this.settings.rtlScrollType||this.scrollTo(this.container.scrollWidth,0,!0),this.views.show()}).bind(this))}}prev(){var t;let e=this.settings.direction;if(this.views.length&&(this.isPaginated&&"horizontal"===this.settings.axis&&(!e||"ltr"===e)?(this.scrollLeft=this.container.scrollLeft,this.container.scrollLeft>0?this.scrollBy(-this.layout.delta,0,!0):t=this.views.first().section.prev()):this.isPaginated&&"horizontal"===this.settings.axis&&"rtl"===e?(this.scrollLeft=this.container.scrollLeft,"default"===this.settings.rtlScrollType?this.container.scrollLeft+this.container.offsetWidth<this.container.scrollWidth?this.scrollBy(-this.layout.delta,0,!0):t=this.views.first().section.prev():this.container.scrollLeft<0?this.scrollBy(-this.layout.delta,0,!0):t=this.views.first().section.prev()):this.isPaginated&&"vertical"===this.settings.axis?(this.scrollTop=this.container.scrollTop,this.container.scrollTop>0?this.scrollBy(0,-this.layout.height,!0):t=this.views.first().section.prev()):t=this.views.first().section.prev(),t)){this.clear(),this.updateLayout();let e=!1;return"pre-paginated"===this.layout.name&&2===this.layout.divisor&&"object"!=typeof t.prev()&&(e=!0),this.prepend(t,e).then((function(){var e;if("pre-paginated"===this.layout.name&&this.layout.divisor>1&&(e=t.prev()))return this.prepend(e)}).bind(this),t=>t).then((function(){this.isPaginated&&"horizontal"===this.settings.axis&&("rtl"===this.settings.direction?"default"===this.settings.rtlScrollType?this.scrollTo(0,0,!0):this.scrollTo(-1*this.container.scrollWidth+this.layout.delta,0,!0):this.scrollTo(this.container.scrollWidth-this.layout.delta,0,!0)),this.views.show()}).bind(this))}}current(){var t=this.visible();return t.length?t[t.length-1]:null}clear(){this.views&&(this.views.hide(),this.scrollTo(0,0,!0),this.views.clear())}currentLocation(){return this.updateLayout(),this.isPaginated&&"horizontal"===this.settings.axis?this.location=this.paginatedLocation():this.location=this.scrolledLocation(),this.location}scrolledLocation(){let t=this.visible(),e=this.container.getBoundingClientRect(),i=e.height<window.innerHeight?e.height:window.innerHeight,r=e.width<window.innerWidth?e.width:window.innerWidth,n="vertical"===this.settings.axis;this.settings.direction;let s=0;return this.settings.fullsize&&(s=n?window.scrollY:window.scrollX),t.map(t=>{let o,a,h,l,{index:c,href:u}=t.section,d=t.position(),p=t.width(),f=t.height();n?(a=(o=s+e.top-d.top+0)+i-0,l=this.layout.count(f,i).pages,h=i):(a=(o=s+e.left-d.left+0)+r-0,l=this.layout.count(p,r).pages,h=r);let g=Math.ceil(o/h),m=[],v=Math.ceil(a/h);if("rtl"===this.settings.direction&&!n){let t=g;g=l-v,v=l-t}m=[];for(var y=g;y<=v;y++){let t=y+1;m.push(t)}return{index:c,href:u,pages:m,totalPages:l,mapping:this.mapping.page(t.contents,t.section.cfiBase,o,a)}})}paginatedLocation(){let t=this.visible(),e=this.container.getBoundingClientRect(),i=0,r=0;return this.settings.fullsize&&(i=window.scrollX),t.map(t=>{let n,s,o,a,{index:h,href:l}=t.section,c=t.position(),u=t.width();"rtl"===this.settings.direction?(a=Math.min(Math.abs((n=e.right-i)-c.left),this.layout.width)-r,s=(o=c.width-(c.right-n)-r)-a):(n=e.left+i,a=Math.min(c.right-n,this.layout.width)-r,o=(s=n-c.left+r)+a),r+=a;let d=this.mapping.page(t.contents,t.section.cfiBase,s,o),p=this.layout.count(u).pages,f=Math.floor(s/this.layout.pageWidth),g=[],m=Math.floor(o/this.layout.pageWidth);if(f<0&&(f=0,m+=1),"rtl"===this.settings.direction){let t=f;f=p-m,m=p-t}for(var v=f+1;v<=m;v++){let t=v;g.push(t)}return{index:h,href:l,pages:g,totalPages:p,mapping:d}})}isVisible(t,e,i,r){var n=t.position(),s=r||this.bounds();return"horizontal"===this.settings.axis&&n.right>s.left-e&&n.left<s.right+i||"vertical"===this.settings.axis&&!!(n.bottom>s.top-e)&&!!(n.top<s.bottom+i)}visible(){for(var t,e=this.bounds(),i=this.views.displayed(),r=i.length,n=[],s=0;s<r;s++)t=i[s],!0===this.isVisible(t,0,0,e)&&n.push(t);return n}scrollBy(t,e,i){let r="rtl"===this.settings.direction?-1:1;i&&(this.ignore=!0),this.settings.fullsize?window.scrollBy(t*r,e*r):(t&&(this.container.scrollLeft+=t*r),e&&(this.container.scrollTop+=e)),this.scrolled=!0}scrollTo(t,e,i){i&&(this.ignore=!0),this.settings.fullsize?window.scrollTo(t,e):(this.container.scrollLeft=t,this.container.scrollTop=e),this.scrolled=!0}onScroll(){let t,e;this.settings.fullsize?(t=window.scrollY,e=window.scrollX):(t=this.container.scrollTop,e=this.container.scrollLeft),this.scrollTop=t,this.scrollLeft=e,this.ignore?this.ignore=!1:(this.emit

1(tl.MANAGERS.SCROLL,{top:t,left:e}),clearTimeout(this.afterScrolled),this.afterScrolled=setTimeout((function(){this.emit(tl.MANAGERS.SCROLLED,{top:this.scrollTop,left:this.scrollLeft})}).bind(this),20))}bounds(){return this.stage.bounds()}applyLayout(t){this.layout=t,this.updateLayout(),this.views&&this.views.length>0&&"pre-paginated"===this.layout.name&&this.display(this.views.first().section)}updateLayout(){this.stage&&(this._stageSize=this.stage.size(),this.isPaginated?(this.layout.calculate(this._stageSize.width,this._stageSize.height,this.settings.gap),this.settings.offset=this.layout.delta/this.layout.divisor):this.layout.calculate(this._stageSize.width,this._stageSize.height),this.viewSettings.width=this.layout.width,this.viewSettings.height=this.layout.height,this.setLayout(this.layout))}setLayout(t){this.viewSettings.layout=t,this.mapping=new tx(t.props,this.settings.direction,this.settings.axis),this.views&&this.views.forEach(function(e){e&&e.setLayout(t)})}updateWritingMode(t){this.writingMode=t}updateAxis(t,e){(e||t!==this.settings.axis)&&(this.settings.axis=t,this.stage&&this.stage.axis(t),this.viewSettings.axis=t,this.mapping&&(this.mapping=new tx(this.layout.props,this.settings.direction,this.settings.axis)),this.layout&&("vertical"===t?this.layout.spread("none"):this.layout.spread(this.layout.settings.spread)))}updateFlow(t,e="auto"){let i="paginated"===t||"auto"===t;this.isPaginated=i,"scrolled-doc"===t||"scrolled-continuous"===t||"scrolled"===t?this.updateAxis("vertical"):this.updateAxis("horizontal"),this.viewSettings.flow=t,this.settings.overflow?this.overflow=this.settings.overflow:this.overflow=i?"hidden":e,this.stage&&this.stage.overflow(this.overflow),this.updateLayout()}getContents(){var t=[];return this.views&&this.views.forEach(function(e){let i=e&&e.contents;i&&t.push(i)}),t}direction(t="ltr"){this.settings.direction=t,this.stage&&this.stage.direction(t),this.viewSettings.direction=t,this.updateLayout()}isRendered(){return this.rendered}}s()(tI.prototype);let tq=tI,tP={easeInCubic:function(t){return Math.pow(t,3)}};class tM{constructor(t,e){this.settings=m({duration:80,minVelocity:.2,minDistance:10,easing:tP.easeInCubic},e||{}),this.supportsTouch=this.supportsTouch(),this.supportsTouch&&this.setup(t)}setup(t){this.manager=t,this.layout=this.manager.layout,this.fullsize=this.manager.settings.fullsize,this.fullsize?(this.element=this.manager.stage.element,this.scroller=window,this.disableScroll()):(this.element=this.manager.stage.container,this.scroller=this.element,this.element.style.WebkitOverflowScrolling="touch"),this.manager.settings.offset=this.layout.width,this.manager.settings.afterScrolledTimeout=2*this.settings.duration,this.isVertical="vertical"===this.manager.settings.axis,this.manager.isPaginated&&!this.isVertical&&(this.touchCanceler=!1,this.resizeCanceler=!1,this.snapping=!1,this.scrollLeft,this.scrollTop,this.startTouchX=void 0,this.startTouchY=void 0,this.startTime=void 0,this.endTouchX=void 0,this.endTouchY=void 0,this.endTime=void 0,this.addListeners())}supportsTouch(){return!!("ontouchstart"in window||window.DocumentTouch&&document instanceof DocumentTouch)}disableScroll(){this.element.style.overflow="hidden"}enableScroll(){this.element.style.overflow=""}addListeners(){this._onResize=this.onResize.bind(this),window.addEventListener("resize",this._onResize),this._onScroll=this.onScroll.bind(this),this.scroller.addEventListener("scroll",this._onScroll),this._onTouchStart=this.onTouchStart.bind(this),this.scroller.addEventListener("touchstart",this._onTouchStart,{passive:!0}),this.on("touchstart",this._onTouchStart),this._onTouchMove=this.onTouchMove.bind(this),this.scroller.addEventListener("touchmove",this._onTouchMove,{passive:!0}),this.on("touchmove",this._onTouchMove),this._onTouchEnd=this.onTouchEnd.bind(this),this.scroller.addEventListener("touchend",this._onTouchEnd,{passive:!0}),this.on("touchend",this._onTouchEnd),this._afterDisplayed=this.afterDisplayed.bind(this),this.manager.on(tl.MANAGERS.ADDED,this._afterDisplayed)}removeListeners(){window.removeEventListener("resize",this._onResize),this._onResize=void 0,this.scroller.removeEventListener("scroll",this._onScroll),this._onScroll=void 0,this.scroller.removeEventListener("touchstart",this._onTouchStart,{passive:!0}),this.off("touchstart",this._onTouchStart),this._onTouchStart=void 0,this.scroller.removeEventListener("touchmove",this._onTouchMove,{passive:!0}),this.off("touchmove",this._onTouchMove),this._onTouchMove=void 0,this.scroller.removeEventListener("touchend",this._onTouchEnd,{passive:!0}),this.off("touchend",this._onTouchEnd),this._onTouchEnd=void 0,this.manager.off(tl.MANAGERS.ADDED,this._afterDis

1played),this._afterDisplayed=void 0}afterDisplayed(t){let e=t.contents;["touchstart","touchmove","touchend"].forEach(t=>{e.on(t,t=>this.triggerViewEvent(t,e))})}triggerViewEvent(t,e){this.emit(t.type,t,e)}onScroll(t){this.scrollLeft=this.fullsize?window.scrollX:this.scroller.scrollLeft,this.scrollTop=this.fullsize?window.scrollY:this.scroller.scrollTop}onResize(t){this.resizeCanceler=!0}onTouchStart(t){let{screenX:e,screenY:i}=t.touches[0];this.fullsize&&this.enableScroll(),this.touchCanceler=!0,this.startTouchX||(this.startTouchX=e,this.startTouchY=i,this.startTime=this.now()),this.endTouchX=e,this.endTouchY=i,this.endTime=this.now()}onTouchMove(t){let{screenX:e,screenY:i}=t.touches[0],r=Math.abs(i-this.endTouchY);this.touchCanceler=!0,!this.fullsize&&r<10&&(this.element.scrollLeft-=e-this.endTouchX),this.endTouchX=e,this.endTouchY=i,this.endTime=this.now()}onTouchEnd(t){this.fullsize&&this.disableScroll(),this.touchCanceler=!1;let e=this.wasSwiped();0!==e?this.snap(e):this.snap(),this.startTouchX=void 0,this.startTouchY=void 0,this.startTime=void 0,this.endTouchX=void 0,this.endTouchY=void 0,this.endTime=void 0}wasSwiped(){let t=this.layout.pageWidth*this.layout.divisor,e=this.endTouchX-this.startTouchX,i=Math.abs(e),r=e/(this.endTime-this.startTime),n=this.settings.minVelocity;return i<=this.settings.minDistance||i>=t?0:r>n?-1:r<-n?1:void 0}needsSnap(){return this.scrollLeft%(this.layout.pageWidth*this.layout.divisor)!=0}snap(t=0){let e=this.scrollLeft,i=this.layout.pageWidth*this.layout.divisor,r=Math.round(e/i)*i;return t&&(r+=t*i),this.smoothScrollTo(r)}smoothScrollTo(t){let e=new U,i=this.scrollLeft,r=this.now(),n=this.settings.duration,s=this.settings.easing;return this.snapping=!0,(function o(){let a=Math.min(1,(this.now()-r)/n);if(s(a),this.touchCanceler||this.resizeCanceler){this.resizeCanceler=!1,this.snapping=!1,e.resolve();return}a<1?(window.requestAnimationFrame(o.bind(this)),this.scrollTo(i+(t-i)*a,0)):(this.scrollTo(t,0),this.snapping=!1,e.resolve())}).call(this),e.promise}scrollTo(t=0,e=0){this.fullsize?window.scroll(t,e):(this.scroller.scrollLeft=t,this.scroller.scrollTop=e)}now(){return"now"in window.performance?performance.now():new Date().getTime()}destroy(){this.scroller&&(this.fullsize&&this.enableScroll(),this.removeListeners(),this.scroller=void 0)}}s()(tM.prototype);var tB=i(3693),tz=i.n(tB);class tj extends tq{constructor(t){super(t),this.name="continuous",this.settings=m(this.settings||{},{infinite:!0,overflow:void 0,axis:void 0,writingMode:void 0,flow:"scrolled",offset:500,offsetDelta:250,width:void 0,height:void 0,snap:!1,afterScrolledTimeout:10,allowScriptedContent:!1,allowPopups:!1}),m(this.settings,t.settings||{}),"undefined"!=t.settings.gap&&0===t.settings.gap&&(this.settings.gap=t.settings.gap),this.viewSettings={ignoreClass:this.settings.ignoreClass,axis:this.settings.axis,flow:this.settings.flow,layout:this.layout,width:0,height:0,forceEvenPages:!1,allowScriptedContent:this.settings.allowScriptedContent,allowPopups:this.settings.allowPopups},this.scrollTop=0,this.scrollLeft=0}display(t,e){return tq.prototype.display.call(this,t,e).then((function(){return this.fill()}).bind(this))}fill(t){var e=t||new U;return this.q.enqueue(()=>this.check()).then(t=>{t?this.fill(e):e.resolve()}),e.promise}moveTo(t){var e=0,i=0;this.isPaginated?e=Math.floor(t.left/this.layout.delta)*this.layout.delta:(i=t.top,t.top),this.settings.offsetDelta,(e>0||i>0)&&this.scrollBy(e,i,!0)}afterResized(t){this.emit(tl.MANAGERS.RESIZE,t.section)}removeShownListeners(t){t.onDisplayed=function(){}}add(t){var e=this.createView(t);return this.views.append(e),e.on(tl.VIEWS.RESIZED,t=>{e.expanded=!0}),e.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),e.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),e.onDisplayed=this.afterDisplayed.bind(this),e.onResize=this.afterResized.bind(this),e.display(this.request)}append(t){var e=this.createView(t);return e.on(tl.VIEWS.RESIZED,t=>{e.expanded=!0}),e.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),e.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}

1),this.views.append(e),e.onDisplayed=this.afterDisplayed.bind(this),e}prepend(t){var e=this.createView(t);return e.on(tl.VIEWS.RESIZED,t=>{this.counter(t),e.expanded=!0}),e.on(tl.VIEWS.AXIS,t=>{this.updateAxis(t)}),e.on(tl.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),this.views.prepend(e),e.onDisplayed=this.afterDisplayed.bind(this),e}counter(t){"vertical"===this.settings.axis?this.scrollBy(0,t.heightDelta,!0):this.scrollBy(t.widthDelta,0,!0)}update(t){for(var e,i=this.bounds(),r=this.views.all(),n=r.length,s=[],o=void 0!==t?t:this.settings.offset||0,a=new U,h=[],l=0;l<n;l++)if(e=r[l],!0===this.isVisible(e,o,o,i)){if(e.displayed)e.show();else{let t=e.display(this.request).then(function(t){t.show()},t=>{e.hide()});h.push(t)}s.push(e)}else this.q.enqueue(e.destroy.bind(e)),clearTimeout(this.trimTimeout),this.trimTimeout=setTimeout((function(){this.q.enqueue(this.trim.bind(this))}).bind(this),250);return h.length?Promise.all(h).catch(t=>{a.reject(t)}):(a.resolve(),a.promise)}check(t,e){var i=new U,r=[],n="horizontal"===this.settings.axis,s=this.settings.offset||0;t&&n&&(s=t),e&&!n&&(s=e);var o=this._bounds;let a=n?this.scrollLeft:this.scrollTop,h=n?Math.floor(o.width):o.height,l=n?this.container.scrollWidth:this.container.scrollHeight,c=this.writingMode&&0===this.writingMode.indexOf("vertical")?"vertical":"horizontal",u=this.settings.rtlScrollType,d="rtl"===this.settings.direction;this.settings.fullsize?(n&&d&&"negative"===u||!n&&d&&"default"===u)&&(a*=-1):(d&&"default"===u&&"horizontal"===c&&(a=l-h-a),d&&"negative"===u&&"horizontal"===c&&(a*=-1));let p=()=>{let t=this.views.first(),e=t&&t.section.prev();e&&r.push(this.prepend(e))},f=()=>{let t=this.views.last(),e=t&&t.section.next();e&&r.push(this.append(e))},g=a+h+s,m=a-s;g>=l&&f(),m<0&&p();let v=r.map(t=>t.display(this.request));return r.length?Promise.all(v).then(()=>this.check()).then(()=>this.update(s),t=>t):(this.q.enqueue((function(){this.update()}).bind(this)),i.resolve(!1),i.promise)}trim(){for(var t=new U,e=this.views.displayed(),i=e[0],r=e[e.length-1],n=this.views.indexOf(i),s=this.views.indexOf(r),o=this.views.slice(0,n),a=this.views.slice(s+1),h=0;h<o.length-1;h++)this.erase(o[h],o);for(var l=1;l<a.length;l++)this.erase(a[l]);return t.resolve(),t.promise}erase(t,e){this.settings.fullsize?(i=window.scrollY,r=window.scrollX):(i=this.container.scrollTop,r=this.container.scrollLeft);var i,r,n=t.bounds();this.views.remove(t),e&&("vertical"===this.settings.axis?this.scrollTo(0,i-n.height,!0):"rtl"===this.settings.direction?this.settings.fullsize?this.scrollTo(r+Math.floor(n.width),0,!0):this.scrollTo(r,0,!0):this.scrollTo(r-Math.floor(n.width),0,!0))}addEventListeners(t){window.addEventListener("unload",(function(t){this.ignore=!0,this.destroy()}).bind(this)),this.addScrollListeners(),this.isPaginated&&this.settings.snap&&(this.snapper=new tM(this,this.settings.snap&&"object"==typeof this.settings.snap&&this.settings.snap))}addScrollListeners(){var t;this.tick=a;let e="rtl"===this.settings.direction&&"default"===this.settings.rtlScrollType?-1:1;this.scrollDeltaVert=0,this.scrollDeltaHorz=0,this.settings.fullsize?(t=window,this.scrollTop=window.scrollY*e,this.scrollLeft=window.scrollX*e):(t=this.container,this.scrollTop=this.container.scrollTop,this.scrollLeft=this.container.scrollLeft),this._onScroll=this.onScroll.bind(this),t.addEventListener("scroll",this._onScroll),this._scrolled=tz()(this.scrolled.bind(this),30),this.didScroll=!1}removeEventListeners(){(this.settings.fullsize?window:this.container).removeEventListener("scroll",this._onScroll),this._onScroll=void 0}onScroll(){let t,e,i="rtl"===this.settings.direction&&"default"===this.settings.rtlScrollType?-1:1;this.settings.fullsize?(t=window.scrollY*i,e=window.scrollX*i):(t=this.container.scrollTop,e=this.container.scrollLeft),this.scrollTop=t,this.scrollLeft=e,this.ignore?this.ignore=!1:this._scrolled(),this.scrollDeltaVert+=Math.abs(t-this.prevScrollTop),this.scrollDeltaHorz+=Math.abs(e-this.prevScrollLeft),this.prevScrollTop=t,this.prevScrollLeft=e,clearTimeout(this.scrollTimeout),this.scrollTimeout=setTimeout((function(){this.scrollDeltaVert=0,this.scrollDeltaHorz=0}).bind(this),150),clearTimeout(this.afterScrolled),this.didScroll=!1}scrolled(){this.q.enqueue((function(){return this.check()}

1).bind(this)),this.emit(tl.MANAGERS.SCROLL,{top:this.scrollTop,left:this.scrollLeft}),clearTimeout(this.afterScrolled),this.afterScrolled=setTimeout((function(){this.snapper&&this.snapper.supportsTouch&&this.snapper.needsSnap()||this.emit(tl.MANAGERS.SCROLLED,{top:this.scrollTop,left:this.scrollLeft})}).bind(this),this.settings.afterScrolledTimeout)}next(){let t="pre-paginated"===this.layout.props.name&&this.layout.props.spread?2*this.layout.props.delta:this.layout.props.delta;this.views.length&&(this.isPaginated&&"horizontal"===this.settings.axis?this.scrollBy(t,0,!0):this.scrollBy(0,this.layout.height,!0),this.q.enqueue((function(){return this.check()}).bind(this)))}prev(){let t="pre-paginated"===this.layout.props.name&&this.layout.props.spread?2*this.layout.props.delta:this.layout.props.delta;this.views.length&&(this.isPaginated&&"horizontal"===this.settings.axis?this.scrollBy(-t,0,!0):this.scrollBy(0,-this.layout.height,!0),this.q.enqueue((function(){return this.check()}).bind(this)))}updateFlow(t){this.rendered&&this.snapper&&(this.snapper.destroy(),this.snapper=void 0),super.updateFlow(t,"scroll"),this.rendered&&this.isPaginated&&this.settings.snap&&(this.snapper=new tM(this,this.settings.snap&&"object"==typeof this.settings.snap&&this.settings.snap))}destroy(){super.destroy(),this.snapper&&this.snapper.destroy()}}class tU{constructor(t,e){this.settings=m(this.settings||{},{width:null,height:null,ignoreClass:"",manager:"default",view:"iframe",flow:null,layout:null,spread:null,minSpreadWidth:800,stylesheet:null,resizeOnOrientationChange:!0,script:null,snap:!1,defaultDirection:"ltr",allowScriptedContent:!1,allowPopups:!1}),m(this.settings,e),"object"==typeof this.settings.manager&&(this.manager=this.settings.manager),this.book=t,this.hooks={},this.hooks.display=new Q(this),this.hooks.serialize=new Q(this),this.hooks.content=new Q(this),this.hooks.unloaded=new Q(this),this.hooks.layout=new Q(this),this.hooks.render=new Q(this),this.hooks.show=new Q(this),this.hooks.content.register(this.handleLinks.bind(this)),this.hooks.content.register(this.passEvents.bind(this)),this.hooks.content.register(this.adjustImages.bind(this)),this.book.spine.hooks.content.register(this.injectIdentifier.bind(this)),this.settings.stylesheet&&this.book.spine.hooks.content.register(this.injectStylesheet.bind(this)),this.settings.script&&this.book.spine.hooks.content.register(this.injectScript.bind(this)),this.themes=new tw(this),this.annotations=new tN(this),this.epubcfi=new J,this.q=new ta(this),this.location=void 0,this.q.enqueue(this.book.opened),this.starting=new U,this.started=this.starting.promise,this.q.enqueue(this.start)}setManager(t){this.manager=t}requireManager(t){return"string"==typeof t&&"default"===t?tq:"string"==typeof t&&"continuous"===t?tj:t}requireView(t){return"string"==typeof t&&"iframe"===t?tL:t}start(){switch(!this.settings.layout&&("pre-paginated"===this.book.package.metadata.layout||"true"===this.book.displayOptions.fixedLayout)&&(this.settings.layout="pre-paginated"),this.book.package.metadata.spread){case"none":this.settings.spread="none";break;case"both":this.settings.spread=!0}this.manager||(this.ViewManager=this.requireManager(this.settings.manager),this.View=this.requireView(this.settings.view),this.manager=new this.ViewManager({view:this.View,queue:this.q,request:this.book.load.bind(this.book),settings:this.settings})),this.direction(this.book.package.metadata.direction||this.settings.defaultDirection),this.settings.globalLayoutProperties=this.determineLayoutProperties(this.book.package.metadata),this.flow(this.settings.globalLayoutProperties.flow),this.layout(this.settings.globalLayoutProperties),this.manager.on(tl.MANAGERS.ADDED,this.afterDisplayed.bind(this)),this.manager.on(tl.MANAGERS.REMOVED,this.afterRemoved.bind(this)),this.manager.on(tl.MANAGERS.RESIZED,this.onResized.bind(this)),this.manager.on(tl.MANAGERS.ORIENTATION_CHANGE,this.onOrientationChange.bind(this)),this.manager.on(tl.MANAGERS.SCROLLED,this.reportLocation.bind(this)),this.emit(tl.RENDITION.STARTED),this.starting.resolve()}attachTo(t){return this.q.enqueue((function(){this.manager.render(t,{width:this.settings.width,height:this.settings.height}

1),this.emit(tl.RENDITION.ATTACHED)}).bind(this))}display(t){return this.displaying&&this.displaying.resolve(),this.q.enqueue(this._display,t)}_display(t){if(this.book){this.epubcfi.isCfiString(t);var e,i=new U,r=i.promise;return(this.displaying=i,this.book.locations.length()&&p(t)&&(t=this.book.locations.cfiFromPercentage(parseFloat(t))),e=this.book.spine.get(t))?this.manager.display(e,t).then(()=>{i.resolve(e),this.displaying=void 0,this.emit(tl.RENDITION.DISPLAYED,e),this.reportLocation()},t=>{this.emit(tl.RENDITION.DISPLAY_ERROR,t)}):i.reject(Error("No Section Found")),r}}afterDisplayed(t){t.on(tl.VIEWS.MARK_CLICKED,(e,i)=>this.triggerMarkEvent(e,i,t.contents)),this.hooks.render.trigger(t,this).then(()=>{t.contents?this.hooks.content.trigger(t.contents,this).then(()=>{this.emit(tl.RENDITION.RENDERED,t.section,t)}):this.emit(tl.RENDITION.RENDERED,t.section,t)})}afterRemoved(t){this.hooks.unloaded.trigger(t,this).then(()=>{this.emit(tl.RENDITION.REMOVED,t.section,t)})}onResized(t,e){this.emit(tl.RENDITION.RESIZED,{width:t.width,height:t.height},e),this.location&&this.location.start&&this.display(e||this.location.start.cfi)}onOrientationChange(t){this.emit(tl.RENDITION.ORIENTATION_CHANGE,t)}moveTo(t){this.manager.moveTo(t)}resize(t,e,i){t&&(this.settings.width=t),e&&(this.settings.height=e),this.manager.resize(t,e,i)}clear(){this.manager.clear()}next(){return this.q.enqueue(this.manager.next.bind(this.manager)).then(this.reportLocation.bind(this))}prev(){return this.q.enqueue(this.manager.prev.bind(this.manager)).then(this.reportLocation.bind(this))}determineLayoutProperties(t){var e=this.settings.layout||t.layout||"reflowable",i=this.settings.spread||t.spread||"auto",r=this.settings.orientation||t.orientation||"auto",n=this.settings.flow||t.flow||"auto",s=t.viewport||"",o=this.settings.minSpreadWidth||t.minSpreadWidth||800,a=this.settings.direction||t.direction||"ltr";return(0===this.settings.width||this.settings.width>0)&&(0===this.settings.height||this.settings.height),{layout:e,spread:i,orientation:r,flow:n,viewport:s,minSpreadWidth:o,direction:a}}flow(t){var e=t;("scrolled"===t||"scrolled-doc"===t||"scrolled-continuous"===t)&&(e="scrolled"),("auto"===t||"paginated"===t)&&(e="paginated"),this.settings.flow=t,this._layout&&this._layout.flow(e),this.manager&&this._layout&&this.manager.applyLayout(this._layout),this.manager&&this.manager.updateFlow(e),this.manager&&this.manager.isRendered()&&this.location&&(this.manager.clear(),this.display(this.location.start.cfi))}layout(t){return t&&(this._layout=new tb(t),this._layout.spread(t.spread,this.settings.minSpreadWidth),this._layout.on(tl.LAYOUT.UPDATED,(t,e)=>{this.emit(tl.RENDITION.LAYOUT,t,e)})),this.manager&&this._layout&&this.manager.applyLayout(this._layout),this._layout}spread(t,e){this.settings.spread=t,e&&(this.settings.minSpreadWidth=e),this._layout&&this._layout.spread(t,e),this.manager&&this.manager.isRendered()&&this.manager.updateLayout()}direction(t){this.settings.direction=t||"ltr",this.manager&&this.manager.direction(this.settings.direction),this.manager&&this.manager.isRendered()&&this.location&&(this.manager.clear(),this.display(this.location.start.cfi))}reportLocation(){return this.q.enqueue((function(){requestAnimationFrame((function(){var t=this.manager.currentLocation();if(t&&t.then&&"function"==typeof t.then)t.then((function(t){let e=this.located(t);e&&e.start&&e.end&&(this.location=e,this.emit(tl.RENDITION.LOCATION_CHANGED,{index:this.location.start.index,href:this.location.start.href,start:this.location.start.cfi,end:this.location.end.cfi,percentage:this.location.start.percentage}),this.emit(tl.RENDITION.RELOCATED,this.location))}).bind(this));else if(t){let e=this.located(t);if(!e||!e.start||!e.end)return;this.location=e,this.emit(tl.RENDITION.LOCATION_CHANGED,{index:this.location.start.index,href:this.location.start.href,start:this.location.start.cfi,end:this.location.end.cfi,percentage:this.location.start.percentage}),this.emit(tl.RENDITION.RELOCATED,this.location)}}).bind(this))}).bind(this))}currentLocation(){var t=this.manager.currentLocation();if(t&&t.then&&"function"==typeof t.then)t.then((function(t){return this.located(t)}).bind(this));else if(t)return this.located(t)}located(t){if(!t.length)return{};let e=t[0],i=t[t.length-1],r={start:{index:e.index,href:e.href,cfi:e.mapping.start,displayed:{page:e.pages[0]||1,total:e.totalPages}},end:{index:i.index,href:i.href,cfi:i.mapping.end,displayed:{page:i.pages[i.pages.length-1]||1,total:i.totalPages}}},n=this.book.locations.locationFromCfi(e.mapping.start),s=this.book.locations.locationFromCfi(i.mapping.end);null!=n&&(r.start.location=n,r.start.percentage=this.book.locations.percentageFromLocation(n)),null!=s&&(r.end.location=s,r.end.percentage=this.book.locations.percentageFromLocation(s));let o=this.book.pageList.pageFromCfi(e.mapping.start),a=this.book.pageList.pageFromCfi(i.mapping.end);

1return -1!=o&&(r.start.page=o),-1!=a&&(r.end.page=a),i.index===this.book.spine.last().index&&r.end.displayed.page>=r.end.displayed.total&&(r.atEnd=!0),e.index===this.book.spine.first().index&&1===r.start.displayed.page&&(r.atStart=!0),r}destroy(){this.manager&&this.manager.destroy(),this.book=void 0}passEvents(t){th.forEach(e=>{t.on(e,e=>this.triggerViewEvent(e,t))}),t.on(tl.CONTENTS.SELECTED,e=>this.triggerSelectedEvent(e,t))}triggerViewEvent(t,e){this.emit(t.type,t,e)}triggerSelectedEvent(t,e){this.emit(tl.RENDITION.SELECTED,t,e)}triggerMarkEvent(t,e,i){this.emit(tl.RENDITION.MARK_CLICKED,t,e,i)}getRange(t,e){var i=new J(t),r=this.manager.visible().filter(function(t){if(i.spinePos===t.index)return!0});if(r.length)return r[0].contents.range(i,e)}adjustImages(t){if("pre-paginated"===this._layout.name)return new Promise(function(t){t()});let e=t.window.getComputedStyle(t.content,null),i=(t.content.offsetHeight-(parseFloat(e.paddingTop)+parseFloat(e.paddingBottom)))*.95,r=parseFloat(e.paddingLeft)+parseFloat(e.paddingRight);return t.addStylesheetRules({img:{"max-width":(this._layout.columnWidth?this._layout.columnWidth-r+"px":"100%")+"!important","max-height":i+"px!important","object-fit":"contain","page-break-inside":"avoid","break-inside":"avoid","box-sizing":"border-box"},svg:{"max-width":(this._layout.columnWidth?this._layout.columnWidth-r+"px":"100%")+"!important","max-height":i+"px!important","page-break-inside":"avoid","break-inside":"avoid"}}),new Promise(function(t,e){setTimeout(function(){t()},1)})}getContents(){return this.manager?this.manager.getContents():[]}views(){return(this.manager?this.manager.views:void 0)||[]}handleLinks(t){t&&t.on(tl.CONTENTS.LINK_CLICKED,t=>{let e=this.book.path.relative(t);this.display(e)})}injectStylesheet(t,e){let i=t.createElement("link");i.setAttribute("type","text/css"),i.setAttribute("rel","stylesheet"),i.setAttribute("href",this.settings.stylesheet),t.getElementsByTagName("head")[0].appendChild(i)}injectScript(t,e){let i=t.createElement("script");i.setAttribute("type","text/javascript"),i.setAttribute("src",this.settings.script),i.textContent=" ",t.getElementsByTagName("head")[0].appendChild(i)}injectIdentifier(t,e){let i=this.book.packaging.metadata.identifier,r=t.createElement("meta");r.setAttribute("name","dc.relation.ispartof"),i&&r.setAttribute("content",i),t.getElementsByTagName("head")[0].appendChild(r)}}s()(tU.prototype);var tF=i(4366),tW=i.n(tF);class tH{constructor(){this.zip=void 0,this.urlCache={},this.checkRequirements()}checkRequirements(){try{this.zip=new(tW())}catch(t){throw Error("JSZip lib not loaded")}}open(t,e){return this.zip.loadAsync(t,{base64:e})}openUrl(t,e){return tn(t,"binary").then((function(t){return this.zip.loadAsync(t,{base64:e})}).bind(this))}request(t,e){var i,r=new U,n=new K(t);return e||(e=n.extension),(i="blob"==e?this.getBlob(t):this.getText(t))?i.then((function(t){let i=this.handleResponse(t,e);r.resolve(i)}).bind(this)):r.reject({message:"File not found in the epub: "+t,stack:Error().stack}),r.promise}handleResponse(t,e){return"json"==e?JSON.parse(t):C(e)?O(t,"text/xml"):"xhtml"==e?O(t,"application/xhtml+xml"):"html"==e||"htm"==e?O(t,"text/html"):t}getBlob(t,e){var i=window.decodeURIComponent(t.substr(1)),r=this.zip.file(i);if(r)return e=e||tm.lookup(r.name),r.async("uint8array").then(function(t){return new Blob([t],{type:e})})}getText(t,e){var i=window.decodeURIComponent(t.substr(1)),r=this.zip.file(i);if(r)return r.async("string").then(function(t){return t})}getBase64(t,e){var i=window.decodeURIComponent(t.substr(1)),r=this.zip.file(i);if(r)return e=e||tm.lookup(r.name),r.async("base64").then(function(t){return"data:"+e+";base64,"+t})}createUrl(t,e){var i,r,n=new U,s=window.URL||window.webkitURL||window.mozURL,o=e&&e.base64;return t in this.urlCache?n.resolve(this.urlCache[t]):(o?(r=this.getBase64(t))&&r.then((function(e){this.urlCache[t]=e,n.resolve(e)}).bind(this)):(r=this.getBlob(t))&&r.then((function(e){i=s.createObjectURL(e),this.urlCache[t]=i,n.resolve(i)}).bind(this)),r||n.reject({message:"File not found in the epub: "+t,stack:Error().stack})),n.promise}revokeUrl(t){var e=window.URL||window.webkitURL||window.mozURL,i=this.urlCache[t];i&&e.revokeObjectURL(i)}destroy(){var t=window.URL||window.webkitURL||window.mozURL;for(let e in this.urlCache)t.revokeObjectURL(e);this.zip=void 0,this.urlCache={}}}var tV=i(9832),tG=i.n(tV);class tX{constructor(t,e,i){this.urlCache={},this.storage=void 0,this.name=t,this.requester=e||tn,this.resolver=i,this.online=!0,this.checkRequirements(),this.addListeners()}checkRequirements(){try{let t;void 0===tG()&&(t=tG()),this.storage=t.createInstance({name:this.name})}catch(t){throw Error("localForage lib not loaded")}}addListeners(){this._status=this.status.bind(this),window.addEventListener("online",this._status),window.addEventListener("offline",this._status)}removeListeners(){window.removeEventListener("online",this._status),window.removeEventListener("offline",this._status),this._status=void 0}status(t){let e=navigator.onLine;

1this.online=e,e?this.emit("online",this):this.emit("offline",this)}add(t,e){return Promise.all(t.resources.map(t=>{let{href:i}=t,r=this.resolver(i),n=window.encodeURIComponent(r);return this.storage.getItem(n).then(t=>!t||e?this.requester(r,"binary").then(t=>this.storage.setItem(n,t)):t)}))}put(t,e,i){let r=window.encodeURIComponent(t);return this.storage.getItem(r).then(n=>n||this.requester(t,"binary",e,i).then(t=>this.storage.setItem(r,t)))}request(t,e,i,r){return this.online?this.requester(t,e,i,r).then(e=>(this.put(t),e)):this.retrieve(t,e)}retrieve(t,e){new U;var i=new K(t);return e||(e=i.extension),("blob"==e?this.getBlob(t):this.getText(t)).then(i=>{var r,n=new U;return i?(r=this.handleResponse(i,e),n.resolve(r)):n.reject({message:"File not found in storage: "+t,stack:Error().stack}),n.promise})}handleResponse(t,e){return"json"==e?JSON.parse(t):C(e)?O(t,"text/xml"):"xhtml"==e?O(t,"application/xhtml+xml"):"html"==e||"htm"==e?O(t,"text/html"):t}getBlob(t,e){let i=window.encodeURIComponent(t);return this.storage.getItem(i).then(function(i){if(i)return new Blob([i],{type:e=e||tm.lookup(t)})})}getText(t,e){let i=window.encodeURIComponent(t);return e=e||tm.lookup(t),this.storage.getItem(i).then(function(t){var i,r=new U,n=new FileReader;if(t)return i=new Blob([t],{type:e}),n.addEventListener("loadend",()=>{r.resolve(n.result)}),n.readAsText(i,e),r.promise})}getBase64(t,e){let i=window.encodeURIComponent(t);return e=e||tm.lookup(t),this.storage.getItem(i).then(t=>{var i,r=new U,n=new FileReader;if(t)return i=new Blob([t],{type:e}),n.addEventListener("loadend",()=>{r.resolve(n.result)}),n.readAsDataURL(i,e),r.promise})}createUrl(t,e){var i,r,n=new U,s=window.URL||window.webkitURL||window.mozURL,o=e&&e.base64;return t in this.urlCache?n.resolve(this.urlCache[t]):(o?(r=this.getBase64(t))&&r.then((function(e){this.urlCache[t]=e,n.resolve(e)}).bind(this)):(r=this.getBlob(t))&&r.then((function(e){i=s.createObjectURL(e),this.urlCache[t]=i,n.resolve(i)}).bind(this)),r||n.reject({message:"File not found in storage: "+t,stack:Error().stack})),n.promise}revokeUrl(t){var e=window.URL||window.webkitURL||window.mozURL,i=this.urlCache[t];i&&e.revokeObjectURL(i)}destroy(){var t=window.URL||window.webkitURL||window.mozURL;for(let e in this.urlCache)t.revokeObjectURL(e);this.urlCache={},this.removeListeners()}}s()(tX.prototype);class tY{constructor(t){this.interactive="",this.fixedLayout="",this.openToSpread="",this.orientationLock="",t&&this.parse(t)}parse(t){if(!t)return this;let e=I(t,"display_options");return e&&q(e,"option").forEach(t=>{let e="";switch(t.childNodes.length&&(e=t.childNodes[0].nodeValue),t.attributes.name.value){case"interactive":this.interactive=e;break;case"fixed-layout":this.fixedLayout=e;break;case"open-to-spread":this.openToSpread=e;break;case"orientation-lock":this.orientationLock=e}}),this}destroy(){this.interactive=void 0,this.fixedLayout=void 0,this.openToSpread=void 0,this.orientationLock=void 0}}let t$="META-INF/container.xml",tK={BINARY:"binary",BASE64:"base64",EPUB:"epub",OPF:"opf",MANIFEST:"json",DIRECTORY:"directory"};class tZ{constructor(t,e){void 0===e&&"string"!=typeof t&&t instanceof Blob==!1&&t instanceof ArrayBuffer==!1&&(e=t,t=void 0),this.settings=m(this.settings||{},{requestMethod:void 0,requestCredentials:void 0,requestHeaders:void 0,encoding:void 0,replacements:void 0,canonical:void 0,openAs:void 0,store:void 0}),m(this.settings,e),this.opening=new U,this.opened=this.opening.promise,this.isOpen=!1,this.loading={manifest:new U,spine:new U,metadata:new U,cover:new U,navigation:new U,pageList:new U,resources:new U,displayOptions:new U},this.loaded={manifest:this.loading.manifest.promise,spine:this.loading.spine.promise,metadata:this.loading.metadata.promise,cover:this.loading.cover.promise,navigation:this.loading.navigation.promise,pageList:this.loading.pageList.promise,resources:this.loading.resources.promise,displayOptions:this.loading.displayOptions.promise},this.ready=Promise.all([this.loaded.manifest,this.loaded.spine,this.loaded.metadata,this.loaded.cover,this.loaded.navigation,this.loaded.resources,this.loaded.displayOptions]),this.isRendered=!1,this.request=this.settings.requestMethod||tn,this.spine=new to,this.locations=new tc(this.spine,this.load.bind(this)),this.navigation=void 0,this.pageList=void 0,this.url=void 0,this.path=void 0,this.archived=!1,this.archive=void 0,this.storage=void 0,this.resources=void 0,this.rendition=void 0,this.container=void 0,this.packaging=void 0,this.displayOptions=void 0,this.settings.store&&this.store(this.settings.store),t&&this.open(t,this.settings.openAs).catch(e=>{var i=Error("Cannot load book at "+t);

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