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i=t.querySelector("navMap");return i?e(i):[]},EPUBJS.EpubCFI=function(t){return t?this.parse(t):void 0},EPUBJS.EpubCFI.prototype.generateChapterComponent=function(t,e,i){var n=parseInt(e),r=t+1,o="/"+r+"/";return o+=2*(n+1),i&&(o+="["+i+"]"),o},EPUBJS.EpubCFI.prototype.generatePathComponent=function(t){var e=[];return t.forEach(function(t){var i="";i+=2*(t.index+1),t.id&&(i+="["+t.id+"]"),e.push(i)}),e.join("/")},EPUBJS.EpubCFI.prototype.generateCfiFromElement=function(t,e){var i=this.pathTo(t),n=this.generatePathComponent(i);return n.length?"epubcfi("+e+"!"+n+"/1:0)":"epubcfi("+e+"!/4/)"},EPUBJS.EpubCFI.prototype.pathTo=function(t){for(var e,i=[];t&&null!==t.parentNode&&9!=t.parentNode.nodeType;)e=t.parentNode.children,i.unshift({id:t.id,tagName:t.tagName,index:e?Array.prototype.indexOf.call(e,t):0}),t=t.parentNode;return i},EPUBJS.EpubCFI.prototype.getChapterComponent=function(t){var e=t.split("!");return e[0]},EPUBJS.EpubCFI.prototype.getPathComponent=function(t){var e=t.split("!"),i=e[1]?e[1].split(":"):"";return i[0]},EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent=function(t){var e=t.split(":");return e[1]||""},EPUBJS.EpubCFI.prototype.parse=function(t){var e,i,n,r,o,s,a,h,u,c={},l=function(t){var e,i,n,r;return e="element",i=parseInt(t)/2-1,n=t.match(/\[(.*)\]/),n&&n[1]&&(r=n[1]),{type:e,index:i,id:r||!1}};return"string"!=typeof t?{spinePos:-1}:(c.str=t,0===t.indexOf("epubcfi(")&&")"===t[t.length-1]&&(t=t.slice(8,t.length-1)),i=this.getChapterComponent(t),n=this.getPathComponent(t)||"",r=this.getCharecterOffsetComponent(t),i&&(e=i.split("/")[2]||"")?(c.spinePos=parseInt(e)/2-1||0,s=e.match(/\[(.*)\]/),c.spineId=s?s[1]:!1,-1!=n.indexOf(",")&&console.warn("CFI Ranges are not supported"),a=n.split("/"),h=a.pop(),c.steps=[],a.forEach(function(t){var 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i.id="EPUBJS-CFI-MARKER:"+EPUBJS.core.uuid(),i.classList.add("EPUBJS-CFI-MARKER"),i},EPUBJS.EpubCFI.prototype.removeMarker=function(t,e){t.classList.contains("EPUBJS-CFI-SPLIT")?(nextSib=t.nextSibling,prevSib=t.previousSibling,nextSib&&prevSib&&3===nextSib.nodeType&&3===prevSib.nodeType&&(prevSib.textContent+=nextSib.textContent,t.parentNode.removeChild(nextSib)),t.parentNode.removeChild(t)):t.classList.contains("EPUBJS-CFI-MARKER")&&t.parentNode.removeChild(t)},EPUBJS.EpubCFI.prototype.findParent=function(t,e){var i,n,r,o=e||document,s=o.getElementsByTagName("html")[0],a=Array.prototype.slice.call(s.children);if("string"==typeof t&&(t=this.parse(t)),n=t.steps.slice(0),!n.length)return o.getElementsByTagName("body")[0];for(;n&&n.length>0;){if(i=n.shift(),"text"===i.type?(r=s.childNodes[i.index],s=r.parentNode||s):s=i.id?o.getElementById(i.id):a[i.index],"undefined"==typeof s)return console.error("No Element For",i,t.str),!1;a=Array.prototype.slice.call(s.children)}return s},EPUBJS.EpubCFI.prototype.compare=function(t,e){if("string"==typeof t&&(t=new EPUBJS.EpubCFI(t)),"string"==typeof e&&(e=new EPUBJS.EpubCFI(e)),t.spinePos>e.spinePos)return 1;if(t.spinePos<e.spinePos)return-1;for(var i=0;i<t.steps.length;i++){if(!e.steps[i])return 1;if(t.steps[i].index>e.steps[i].index)return 1;if(t.steps[i].index<e.steps[i].index)return-1}return t.steps.length<e.steps.length?-1:t.characterOffset>e.characterOffset?1:t.characterOffset<e.characterOffset?-1:0
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r(i.ncxUrl,"xml").then(function(e){i.toc=n.ncx(e),i.loaded(i.toc),t.resolve(i.toc)}),e})},EPUBJS.Navigation.prototype.load=function(t){{var e,i;t||EPUBJS.core.request}return this.nav?e=this.nav.load():this.ncx?e=this.ncx.load():(i=new RSVP.defer,i.resolve([]),e=i.promise),e},EPUBJS.Navigation.prototype.loaded=function(t){for(var e,i=0;i<t.length;i++)e=t[i],this.tocByHref[e.href]=i,this.tocById[e.id]=i},EPUBJS.Navigation.prototype.get=function(t){var e;return t?(0===t.indexOf("#")?e=this.tocById[t.substring(1)]:t in this.tocByHref&&(e=this.tocByHref[t]),this.toc[e]):this.toc},EPUBJS.Section=function(t){this.idref=t.idref,this.linear=t.linear,this.properties=t.properties,this.index=t.index,this.href=t.href,this.url=t.url,this.next=t.next,this.prev=t.prev,this.epubcfi=new EPUBJS.EpubCFI,this.cfiBase=t.cfiBase,this.hooks={},this.hooks.replacements=new EPUBJS.Hook(this),this.hooks.replacements.register(this.replacements)},EPUBJS.Section.prototype.load=function(t){var 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XMLSerializer,n=i.serializeToString(t);e.resolve(n)}).catch(function(t){e.reject(t)}),i},EPUBJS.Section.prototype.find=function(){},EPUBJS.Section.prototype.reconcileLayoutSettings=function(t){var e={layout:t.layout,spread:t.spread,orientation:t.orientation};return this.properties.forEach(function(t){var i,n,r=t.replace("rendition:",""),o=r.indexOf("-");-1!=o&&(i=r.slice(0,o),n=r.slice(o+1),e[i]=n)}),e},EPUBJS.Section.prototype.cfiFromRange=function(t){return this.epubcfi.generateCfiFromRange(t,this.cfiBase)},EPUBJS.Spine=function(t){this.request=t,this.spineItems=[],this.spineByHref={},this.spineById={}},EPUBJS.Spine.prototype.load=function(t){this.items=t.spine,this.manifest=t.manifest,this.spineNodeIndex=t.spineNodeIndex,this.baseUrl=t.baseUrl||"",this.length=this.items.length,this.epubcfi=new EPUBJS.EpubCFI,this.items.forEach(function(t,e){var i,n=this.manifest[t.idref];t.cfiBase=this.epubcfi.generateChapterComponent(this.spineNodeIndex,t.index,t.idref),n&&(t.href=n.href,t.url=this.baseUrl+t.href,n.properties.length&&t.properties.push.apply(t.properties,n.properties)),t.prev=function(){return this.get(e-1)}.bind(this),t.next=function(){return this.get(e+1)}.bind(this),i=new EPUBJS.Section(t),this.append(i)}.bind(this))},EPUBJS.Spine.prototype.get=function(t){var e=0;return"string"==typeof t&&0===t.indexOf("epubcfi(")&&(cfi=new EPUBJS.EpubCFI(t),e=cfi.spinePos),!t||"number"!=typeof t&&isNaN(t)!==!1?t&&0===t.indexOf("#")?e=this.spineById[t.substring(1)]:t&&(t=t.split("#")[0],e=this.spineByHref[t]):e=t,this.spineItems[e]||null},EPUBJS.Spine.prototype.append=function(t){var e=this.spineItems.length;return t.index=e,this.spineItems.push(t),this.spineByHref[t.href]=e,this.spineById[t.idref]=e,e},EPUBJS.Spine.prototype.prepend=function(t){this.spineItems.unshift(t);return this.spineByHref[t.href]=0,this.spineById[t.idref]=0,this.spineItems.forEach(function(t,e){t.index=e}),0},EPUBJS.Spine.prototype.insert=function(){},EPUBJS.Spine.prototype.remove=function(t){var e=this.spineItems.indexOf(t);return e>-1?(delete this.spineByHref[t.href],delete this.spineById[t.idref],this.spineItems.splice(e,1)):void 0},EPUBJS.replace={},EPUBJS.replace.links=function(t,e){for(var i=new RSVP.defer,n=t.document.querySelectorAll("a[href]"),r=function(t){var i=t.getAttribute("href"),n=new EPUBJS.core.uri(i);n.protocol?t.setAttribute("target","_blank"):0===i.indexOf("#")||(t.onclick=function(){return e.display(i),!1})},o=0;o<n.length;o++)r(n[o]);return i.resolve(),i.promise},EPUBJS.Book=function(t){this.opening=new RSVP.defer,this.opened=this.opening.promise,this.isOpen=!1,this.url=void 0,this.spine=new EPUBJS.Spine(this.request),this.loading={manifest:new RSVP.defer,spine:new RSVP.defer,metadata:new RSVP.defer,cover:new RSVP.defer,navigation:new RSVP.defer,pageList:new RSVP.defer},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},this.ready=RSVP.hash(this.loaded),this.isRendered=!1,this._q=EPUBJS.core.queue(this),this.request=this.requestMethod.bind(this),t&&this.open(t)},EPUBJS.Book.prototype.open=function(t){var e,i,n,r=new EPUBJS.Parser,o=this,s="META-INF/container.xml";return t?(e="object"==typeof t?t:EPUBJS.core.uri(t),"opf"===e.extension?(this.packageUrl=e.href,this.containerUrl="",e.origin?this.url=e.base:window?(n=EPUBJS.core.uri(window.location.href),this.url=EPUBJS.core.resolveUrl(n.base,e.directory)):this.url=e.directory,i=this.request(this.packageUrl)):"epub"===e.extension||"zip"===e.extension?(this.archived=!0,this.url=""):e.extension||(this.containerUrl=t+s,i=this.request(this.containerUrl).then(function(t){return r.container(t)}).then(function(e){var i=EPUBJS.core.uri(e.packagePath);return o.packageUrl=t+e.packagePath,o.encoding=e.encoding,i.origin?o.url=i.base:window?(n=EPUBJS.core.uri(window.location.href),o.url=EPUBJS.core.resolveUrl(n.base,t+i.directory)):o.url=i.directory,o.request(o.packageUrl)}).catch(function(t){console.error("Could not load book at: "+(this.packageUrl||this.containerPath)),o.trigger("book:loadFailed",this.packageUrl||this.containerPath),o.opening.reject(t)})),i.then(function(t){o.unpack(t),o.loading.manifest.resolve(o.package.manifest),o.loading.metadata.resolve(o.package.metadata),o.loading.spine.resolve(o.spine),o.loading.cover.resolve(o.cover),this.isOpen=!0,o.opening.resolve(o)}).catch(function(t){console.error(t.message,t.stack),o.opening.reject(t)}),this.opened):(this.opening.resolve(this),this.opened)},EPUBJS.Book.prototype.unpack=function(t){var e=this,i=new EPUBJS.Parser;e.package=i.packageContents(t),e.package.baseUrl=e.url,this.spine.load(e.package),e.navigation=new EPUBJS.Navigation(e.package,this.request),e.navigation.load().then(function(t){e.toc=t,e.loading.navigation.resolve(e.toc)}),e.cover=e.url+e.package.coverPath},EPUBJS.Book.prototype.section=function(t){return this.spine.get(t)},EPUBJS.Book.prototype.renderTo=function(t,e){var i=e&&e.method?e.method.charAt(0).toUpperCase()+e.method.substr(1):"Rendition";return this.rendition=new EPUBJS[i](this,e),this.rendition.attachTo(t),this.rendition},EPUBJS.Book.prototype.requestMethod=function(t){return this.archived?void 0:EPUBJS.core.request(t,"xml",this.requestCredentials,this.requestHeaders)},EPUBJS.Book.prototype.setRequestCredentials=function(t){this.requestCredentials=t},EPUBJS.Book.prototype.setRequestHeaders=function(t){this.requestHeaders=t},RSVP.EventTarget.mixin(EPUBJS.Book.prototype),RSVP.on("error",function(){}),RSVP.configure("instrument",!0),RSVP.on("rejected",function(t){console.error(t.detail.message,t.detail.stack)}),EPUBJS.View=function(t,e){this.settings=e||{},this.id="epubjs-view:"+EPUBJS.core.uuid(),this.section=t,this.index=t.index,this.element=document.createElement("div"),this.element.classList.add("epub-view"),this.element.style.height="0px",this.element.style.width="0px",this.element.style.overflow="hidden",this.displayed=!1,this.rendered=!1,this.epubcfi=new EPUBJS.EpubCFI,this.element.style.display=this.settings.axis&&"horizontal"==this.settings.axis?"inline-block":"block"},EPUBJS.View.prototype.create=function(){return this.iframe?this.iframe:(this.iframe=document.createElement("iframe"),this.iframe.id=this.id,this.iframe.scrolling="no",this.iframe.seamless="seamless",this.iframe.style.border="none",this.resizing=!0,this.element.style.visibility="hidden",this.iframe.style.visibility="hidden",this.element.appendChild(this.iframe),this.rendered=!0,this.elementBounds=EPUBJS.core.bounds(this.element),this.supportsSrcdoc=!1,this.iframe)},EPUBJS.View.prototype.lock=function(t,e){var i,n=EPUBJS.core.borders(this.element);i=this.iframe?EPUBJS.core.borders(this.iframe):{width:0,height:0},EPUBJS.core.isNumber(t)&&(this.lockedWidth=t-n.width-i.width,this.resize(this.lockedWidth,t)),EPUBJS.core.isNumber(e)&&(this.lockedHeight=e-n.height-i.height,this.resize(null,this.lockedHeight)),EPUBJS.core.isNumber(t)&&EPUBJS.core.isNumber(e)&&(this.lockedWidth=t-n.width-i.width,this.lockedHeight=e-n.height-i.height,this.resize(this.lockedWidth,this.lockedHeight)),this.displayed&&this.iframe&&(this.layout(),this.expand())},EPUBJS.View.prototype.resize=function(t,e){this.iframe&&(EPUBJS.core.isNumber(t)&&(this.iframe.style.width=t+"px"),EPUBJS.core.isNumber(e)&&(this.iframe.style.height=e+"px"),this.iframeBounds=EPUBJS.core.bounds(this.iframe),this.reframe(this.iframeBounds.width,this.iframeBounds.height))},EPUBJS.View.prototype.reframe=function(t,e){this.displayed&&(EPUBJS.core.isNumber(t)&&(this.element.style.width=t+"px"),EPUBJS.core.isNumber(e)&&(this.element.style.height=e+"px"),this.prevBounds=this.elementBounds,this.elementBounds=EPUBJS.core.bounds(this.element),this.trigger("resized",{width:this.elementBounds.width,height:this.elementBounds.height,widthDelta:this.elementBounds.width-this.prevBounds.width,heightDelta:this.elementBounds.height-this.prevBounds.height}))},EPUBJS.View.prototype.resized=function(){},EPUBJS.View.prototype.render=function(t){return this.rendering=!0,this.section.render(t).then(function(t){return this.load(t)}.bind(this))},EPUBJS.View.prototype.load=function(t){var e=new RSVP.defer,i=e.promise;return this.document=this.iframe.contentDocument,this.document?(this.iframe.addEventListener("load",function(){this.window=this.iframe.contentWindow,this.document=this.iframe.contentDocument,this.rendering=!1,e.resolve(this)}.bind(this)),this.supportsSrcdoc?this.iframe.srcdoc=t:(this.document.open(),this.document.write(t),this.document.close()),i):(e.reject(new Error("No Document Available")),i)},EPUBJS.View.prototype.layout=function(t){this.iframe.style.display="inline-block",this.document.body.style.margin="0",t&&t(this),this.onLayout(this)},EPUBJS.View.prototype.onLayout=function(){},EPUBJS.View.prototype.listeners=function(){this.section.properties.indexOf("scripted")>-1&&(this.observer=this.observe(this.document.body)),this.imageLoadListeners(),this.mediaQueryListeners()},EPUBJS.View.prototype.expand=function(){var t=this.lockedWidth,e=this.lockedHeight;t&&!e&&(e=this.document.documentElement.scrollHeight,this.resize(null,e)),e&&!t&&(t=this.document.body.scrollWidth,this.resize(t,null))},EPUBJS.View.prototype.mediaQueryListeners=function(){for(var t=this.document.styleSheets,e=function(t){t.matches&&this.expand()}.bind(this),i=0;i<t.length;i+=1)for(var n=t[i].cssRules,r=0;r<n.length;r+=1)if(n[r].media){var o=this.window.matchMedia(n[r].media.mediaText);o.addListener(e)}},EPUBJS.View.prototype.observe=function(t){var e=this,i=new MutationObserver(function(){e.expand()}),n={attributes:!0,childList:!0,characterData:!0,subtree:!0};return i.observe(t,n),i},EPUBJS.View.prototype.imageLoadListeners=function(){for(var t,e=this.document.body.querySelectorAll("img"),i=0;i<e.length;i++)t=e[i],"undefined"!=typeof t.naturalWidth&&0===t.naturalWidth&&(t.onload=this.expand.bind(this))},EPUBJS.View.prototype.display=function(){var t=new RSVP.defer;return this.displayed=!0,this.layout(),this.listeners(),this.expand(),this.trigger("displayed",this),this.onDisplayed(this),t.resolve(this),t.promise},EPUBJS.View.prototype.show=function(){this.element.style.visibility="visible",this.iframe&&(this.iframe.style.visibility="visible"),this.trigger("shown",this)},EPUBJS.View.prototype.hide=function(){this.element.style.visibility="hidden",this.iframe.style.visibility="hidden",this.stopExpanding=!0,this.trigger("hidden",this)},EPUBJS.View.prototype.position=function(){return this.element.getBoundingClientRect()},EPUBJS.View.prototype.onDisplayed=function(){},EPUBJS.View.prototype.bounds=function(){return this.elementBounds||(this.elementBounds=EPUBJS.core.bounds(this.element)),this.elementBounds},EPUBJS.View.prototype.destroy=function(){this.observer&&this.observer.disconnect(),this.displayed&&(this.stopExpanding=!0,this.element.removeChild(this.iframe),this.displayed=!1,this.iframe=null)},EPUBJS.View.prototype.root=function(){return this.document?this.document.documentElement:null},EPUBJS.View.prototype.locationOf=function(t){if(this.document){if(0===t.indexOf("epubcfi(")){if(cfi=this.epubcfi.parse(t),"undefined"==typeof document.evaluate){if(marker=this.epubcfi.addMarker(cfi,this.document))return this.epubcfi.removeMarker(marker,this.document),marker.getBoundingClientRect()}else if(range=this.epubcfi.generateRangeFromCfi(cfi,this.document))return range.getBoundingClientRect()}else if(t.indexOf("#")>-1&&(id=t.substring(t.indexOf("#")),el=this.document.getElementById(id)))return el.getBoundingClientRect();return{left:0,top:0}}},RSVP.EventTarget.mixin(EPUBJS.View.prototype),EPUBJS.Layout=EPUBJS.Layout||{},EPUBJS.Layout.Reflowable=function(){},EPUBJS.Layout.Reflowable.prototype.calculate=function(t,e,i,n){var r,o,s,a=n||1,h=Math.floor(t),u=h%2===0?h:h-1,c=Math.floor(u/8),l=i>=0?i:c%2===0?c:c-1;r=a>1?Math.floor((u-l)/a):u,o=r*a,s=(r+l)*a,this.columnAxis=EPUBJS.core.prefixed("columnAxis"),this.columnGap=EPUBJS.core.prefixed("columnGap"),this.columnWidth=EPUBJS.core.prefixed("columnWidth"),this.columnFill=EPUBJS.core.prefixed("columnFill"),this.width=u,this.height=e,this.spread=o,this.delta=s,this.column=r,this.gap=l,this.divisor=a},EPUBJS.Layout.Reflowable.prototype.format=function(t){var e=t.document.documentElement,i=t.document.body;e.style.overflow="hidden",i.style.width=this.width+"px",i.style.height=this.height+"px",i.style[this.columnAxis]="horizontal",i.style[this.columnFill]="auto",i.style[this.columnGap]=this.gap+"px",i.style[this.columnWidth]=this.column+"px",t.iframe.style.marginRight=this.gap+"px"},EPUBJS.Layout.Reflowable.prototype.count=function(t){var e=t.root().scrollWidth,i=Math.ceil(e/this.spread);return{spreads:i,pages:i*this.divisor}},EPUBJS.Layout.Fixed=function(){},EPUBJS.Layout.Fixed.prototype.calculate=function(){},EPUBJS.Layout.Fixed.prototype.format=function(t){var e,i,n=t.document.documentElement,r=documentElement.querySelector("[name=viewport");r&&r.hasAttribute("content")&&(content=r.getAttribute("content"),contents=content.split(","),contents[0]&&(e=contents[0].replace("width=","")),contents[1]&&(i=contents[1].replace("height=",""))),t.resize(e,i),n.style.overflow="auto"},EPUBJS.Layout.Fixed.prototype.count=function(){return{spreads:1,pages:1}},EPUBJS.Layout.Scroll=function(){},EPUBJS.Layout.Scroll.prototype.calculate=function(t){this.spread=t,this.column=t,this.gap=0},EPUBJS.Layout.Scroll.prototype.format=function(t){var e=t.document.documentElement;e.style.width="auto",e.style.height="auto"},EPUBJS.Layout.Scroll.prototype.count=function(){return{spreads:1,pages:1}},EPUBJS.Rendition=function(t,e){this.settings=EPUBJS.core.extend(this.settings||{},{infinite:!0,hidden:!1,width:!1,height:null,layoutOveride:null,axis:"vertical"}),EPUBJS.core.extend(this.settings,e),this.viewSettings={},this.book=t,this.views=[],this.hooks={},this.hooks.display=new EPUBJS.Hook(this),this.hooks.layout=new EPUBJS.Hook(this),this.hooks.replacements=new EPUBJS.Hook(this),this.hooks.replacements.register(EPUBJS.replace.links.bind(this)),this.q=new EPUBJS.Queue(this),this.q.enqueue(this.book.opened),this.q.enqueue(this.parseLayoutProperties)},EPUBJS.Rendition.prototype.initialize=function(t){{var e,i=t||{},n=i.height,r=i.width;i.hidden||!1}return i.height&&EPUBJS.core.isNumber(i.height)&&(n=i.height+"px"),i.width&&EPUBJS.core.isNumber(i.width)&&(r=i.width+"px"),e=document.createElement("div"),e.id="epubjs-container:"+EPUBJS.core.uuid(),e.classList.add("epub-container"),e.style.fontSize="0",e.style.wordSpacing="0",e.style.lineHeight="0",e.style.verticalAlign="top","horizontal"===this.settings.axis&&(e.style.whiteSpace="nowrap"),r&&(e.style.width=r),n&&(e.style.height=n),e.style.overflow=this.settings.overflow,e},EPUBJS.Rendition.wrap=function(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},EPUBJS.Rendition.prototype.attachTo=function(t){return this.container=this.initialize({width:this.settings.width,height:this.settings.height}),EPUBJS.core.isElement(t)?this.element=t:"string"==typeof t&&(this.element=document.getElementById(t)),this.element?(this.settings.hidden?(this.wrapper=this.wrap(this.container),this.element.appendChild(this.wrapper)):this.element.appendChild(this.container),this.attachListeners(),this.stageSize(),this.layoutMethod(),void this.trigger("attached")):void console.error("Not an Element")},EPUBJS.Rendition.prototype.attachListeners=function(){EPUBJS.core.isNumber(this.settings.width)&&EPUBJS.core.isNumber(this.settings.height)||window.addEventListener("resize",this.onResized.bind(this),!1)},EPUBJS.Rendition.prototype.bounds=function(){return this.container.getBoundingClientRect()},EPUBJS.Rendition.prototype.display=function(t){return this.q.enqueue(this._display,t)},EPUBJS.Rendition.prototype._display=function(t){var e,i,n,r,o=new RSVP.defer,s=o.promise;return"string"==typeof t&&0===t.indexOf("epubcfi(")?(n=new EPUBJS.EpubCFI(t),r=n.spinePos,e=this.book.spine.get(r)):e=this.book.spine.get(t),this.displaying=!0,this.hide(),e?(i=this.createView(e),this.q.enqueue(this.append,i),this.show(),this.hooks.display.trigger(i),o.resolve(this)):o.reject(new Error("No Section Found")),s},EPUBJS.Rendition.prototype.moveTo=function(){},EPUBJS.Rendition.prototype.render=function(t,e){return t.create(),t.onLayout=this.layout.format.bind(this.layout),this.resizeView(t),t.render(this.book.request).then(function(){return this.hooks.replacements.trigger(t,this)}.bind(this)).then(function(){return this.hooks.layout.trigger(t)}.bind(this)).then(function(){return t.display()}.bind(this)).then(function(t){0!=e&&this.hidden===!1&&this.q.enqueue(function(t){t.show()},t),this.trigger("rendered",t.section)}.bind(this)).catch(function(t){this.trigger("loaderror",t)}.bind(this))},EPUBJS.Rendition.prototype.afterDisplayed=function(t){this.trigger("displayed",t.section)},EPUBJS.Rendition.prototype.append=function(t){return this.clear(),this.views.push(t),this.container.appendChild(t.element),t.onDisplayed=this.afterDisplayed.bind(this),this.render(t)},EPUBJS.Rendition.prototype.clear=function(){this.views.forEach(function(t){this._remove(t)}.bind(this)),this.views=[]},EPUBJS.Rendition.prototype.remove=function(t){var e=this.views.indexOf(t);e>-1&&this.views.splice(e,1),this._remove(t)},EPUBJS.Rendition.prototype._remove=function(t){t.off("resized"),t.displayed&&t.destroy(),this.container.removeChild(t.element),t=null},EPUBJS.Rendition.prototype.resizeView=function(t){"pre-paginated"===this.globalLayoutProperties.layout?t.lock(this.stage.width,this.stage.height):t.lock(this.stage.width,null)},EPUBJS.Rendition.prototype.stageSize=function(t,e){var i,n=t||this.settings.width,r=e||this.settings.height;return n===!1&&(i=this.element.getBoundingClientRect(),i.width&&(n=i.width,this.container.style.width=i.width+"px")),r===!1&&(i=i||this.element.getBoundingClientRect(),i.height&&(r=i.height,this.container.style.height=i.height+"px")),n&&!EPUBJS.core.isNumber(n)&&(i=this.container.getBoundingClientRect(),n=i.width),r&&!EPUBJS.core.isNumber(r)&&(i=i||this.container.getBoundingClientRect(),r=i.height),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},this.stage={width:n-this.containerPadding.left-this.containerPadding.right,height:r-this.containerPadding.top-this.containerPadding.bottom},this.stage},EPUBJS.Rendition.prototype.layoutMethod=function(){this.layout=new EPUBJS.Layout.Scroll,this.layoutUpdate(),this.map=new EPUBJS.Map(this.layout)},EPUBJS.Rendition.prototype.layoutUpdate=function(){this.layout.calculate(this.stage.width,this.stage.height)},EPUBJS.Rendition.prototype.resize=function(t,e){this.stageSize(t,e),this.layoutUpdate(),this.views.forEach(this.resizeView.bind(this)),this.trigger("resized",{width:this.stage.width,height:this.stage.height})},EPUBJS.Rendition.prototype.onResized=function(){this.resize()},EPUBJS.Rendition.prototype.createView=function(t){return new EPUBJS.View(t,this.viewSettings)},EPUBJS.Rendition.prototype.next=function(){return this.q.enqueue(function(){var t,e;return this.views.length?(t=this.views[0].section.next(),t?(e=this.createView(t),this.append(e)):void 0):void 0})},EPUBJS.Rendition.prototype.prev=function(){return this.q.enqueue(function(){var t,e;return this.views.length?(t=this.views[0].section.prev(),t?(e=this.createView(t),this.append(e)):void 0):void 0})},EPUBJS.Rendition.prototype.parseLayoutProperties=function(t){var e=t||this.book.package.metadata,i=this.layoutOveride&&this.layoutOveride.layout||e.layout||"reflowable",n=this.layoutOveride&&this.layoutOveride.spread||e.spread||"auto",r=this.layoutOveride&&this.layoutOveride.orientation||e.orientation||"auto";return this.globalLayoutProperties={layout:i,spread:n,orientation:r},this.globalLayoutProperties},EPUBJS.Rendition.prototype.current=function(){var t=this.visible();return t.length?t[t.length-1]:null},EPUBJS.Rendition.prototype.isVisible=function(t,e,i,n){var r=t.position(),o=n||this.container.getBoundingClientRect();return"horizontal"===this.settings.axis&&r.right>o.left-e&&!(r.left>=o.right+i)?!0:"vertical"===this.settings.axis&&r.bottom>o.top-e&&!(r.top>=o.bottom+i)?!0:!1},EPUBJS.Rendition.prototype.visible=function(){for(var t,e,i=this.bounds(),n=[],r=0;r<this.views.length;r++)e=this.views[r],t=this.isVisible(e,0,0,i),t===!0&&n.push(e);return n},EPUBJS.Rendition.prototype.bounds=function(){var t;return t=this.settings.height?this.container.getBoundingClientRect():EPUBJS.core.windowBounds()},EPUBJS.Rendition.prototype.displayed=function(){for(var t,e=[],i=0;i<this.views.length;i++)t=this.views[i],t.displayed&&e.push(t);return e},EPUBJS.Rendition.prototype.show=function(){for(var t,e=0;e<this.views.length;e++)t=this.views[e],t.displayed&&t.show();this.hidden=!1},EPUBJS.Rendition.prototype.hide=function(){for(var t,e=0;e<this.views.length;e++)t=this.views[e],t.displayed&&t.hide();this.hidden=!0},EPUBJS.Rendition.prototype.destroy=function(){this.q.clear(),this.clear(),clearTimeout(this.trimTimeout),this.element.removeChild(this.settings.hidden?this.wrapper:this.container)},EPUBJS.Rendition.prototype.reportLocation=function(){return this.q.enqueue(function(){this.location=this.currentLocation(),this.trigger("locationChanged",this.location)}.bind(this))},EPUBJS.Rendition.prototype.currentLocation=function(){var t;return this.views.length?(t=this.views[0],this.map.page(t)):void 0},RSVP.EventTarget.mixin(EPUBJS.Rendition.prototype),EPUBJS.Continuous=function(t,e){EPUBJS.Rendition.apply(this,arguments),this.settings=EPUBJS.core.extend(this.settings||{},{infinite:!0,overflow:"auto",axis:"vertical",offset:500,offsetDelta:250}),EPUBJS.core.extend(this.settings,e),this.settings.hidden&&(this.wrapper=this.wrap(this.container))},EPUBJS.Continuous.prototype=Object.create(EPUBJS.Rendition.prototype),EPUBJS.Continuous.prototype.constructor=EPUBJS.Continuous,EPUBJS.Continuous.prototype.attachListeners=function(){EPUBJS.core.isNumber(this.settings.width)&&EPUBJS.core.isNumber(this.settings.height)||window.addEventListener("resize",this.onResized.bind(this),!1),this.settings.infinite&&this.start()},EPUBJS.Continuous.prototype._display=function(t){var e,i,n,r,o=new RSVP.defer,s=o.promise;return"string"==typeof t&&0===t.indexOf("epubcfi(")?(n=new EPUBJS.EpubCFI(t),r=n.spinePos,e=this.book.spine.get(r)):e=this.book.spine.get(t),this.displaying=!0,this.hide(),e?(i=new EPUBJS.View(e,this.viewSettings),this.q.enqueue(this.fill,i).then(function(){this.q.enqueue(function(){var e=i.locationOf(t);return this.moveTo(e)}),this.q.enqueue(this.check),this.q.enqueue(this.show),this.hooks.display.trigger(i)}.bind(this)),o.resolve(this)):o.reject(new Error("No Section Found")),s},EPUBJS.Continuous.prototype.moveTo=function(t){var e=this.bounds(),i=Math.floor(t.top/e.height)*e.height;return this.check(0,i+this.settings.offset).then(function(){"vertical"===this.settings.axis?this.scrollBy(0,i):this.scrollBy(i,0)}.bind(this))},EPUBJS.Continuous.prototype.afterDisplayed=function(t){var e,i,n=t.section.next(),r=t.section.prev(),o=this.views.indexOf(t);o+1===this.views.length&&n&&(i=new EPUBJS.View(n,this.viewSettings),this.q.enqueue(this.append,i)),0===o&&r&&(e=new EPUBJS.View(r,this.viewSettings),this.q.enqueue(this.prepend,e)),this.trigger("displayed",t.section)},EPUBJS.Continuous.prototype.removeShownListeners=function(t){t.onDisplayed=function(){}},EPUBJS.Continuous.prototype.append=function(t){return this.views.push(t),this.container.appendChild(t.element),t.onDisplayed=this.afterDisplayed.bind(this),this.check()},EPUBJS.Continuous.prototype.prepend=function(t){return this.views.unshift(t),this.container.insertBefore(t.element,this.container.firstChild),t.onDisplayed=this.afterDisplayed.bind(this),t.on("resized",this.counter.bind(this)),this.check()},EPUBJS.Continuous.prototype.counter=function(t){"vertical"===this.settings.axis?this.scrollBy(0,t.heightDelta,!0):this.scrollBy(t.widthDelta,0,!0)},EPUBJS.Continuous.prototype.fill=function(t){return this.views.length&&this.clear(),this.views.push(t),this.container.appendChild(t.element),t.onDisplayed=this.afterDisplayed.bind(this),this.render(t).then(function(){return this.check()}.bind(this))},EPUBJS.Continuous.prototype.insert=function(t,e){return this.views.splice(e,0,t),e<this.cotainer.children.length?this.container.insertBefore(t.element,this.container.children[e]):this.container.appendChild(t.element),this.check()},EPUBJS.Continuous.prototype.first=function(){return this.views[0]},EPUBJS.Continuous.prototype.last=function(){return this.views[this.views.length-1]},EPUBJS.Continuous.prototype.each=function(t){return this.views.forEach(t)},EPUBJS.Continuous.prototype.check=function(t){var e=new RSVP.defer,i=this.bounds(),n=[],r=t||this.settings.offset;return this.views.forEach(function(t){var e=this.isVisible(t,r,r,i);e?t.displayed||t.rendering||n.push(this.render(t)):t.displayed&&this.q.enqueue(t.destroy.bind(t))}.bind(this)),clearTimeout(this.trimTimeout),this.trimTimeout=setTimeout(function(){this.q.enqueue(this.trim)}.bind(this),250),n.length?RSVP.all(n).then(function(){this.q.enqueue(this.check)}.bind(this)):(e.resolve(),e.promise)},EPUBJS.Continuous.prototype.trim=function(){for(var t=new RSVP.defer,e=this.displayed(),i=e[0],n=e[e.length-1],r=this.views.indexOf(i),o=this.views.indexOf(n),s=this.views.slice(0,r),a=this.views.slice(o+1),h=0;h<s.length-1;h++)this.erase(s[h],s);for(var h=1;h<a.length;h++)this.erase(a[h]);return t.resolve(),t.promise},EPUBJS.Continuous.prototype.erase=function(t,e){var i,n;this.settings.height?(i=this.container.scrollTop,n=this.container.scrollLeft):(i=window.scrollY,n=window.scrollX);var r=t.bounds();this.remove(t),e&&("vertical"===this.settings.axis?this.scrollTo(0,i-r.height,!0):this.scrollTo(n-r.width,0,!0))},EPUBJS.Continuous.prototype.checkCurrent=function(){var t,e,i=this.container.getBoundingClientRect(),n=this.views.length-1;if(!this.rendering)if("horizontal"===this.settings.axis);else for(var r=n;r>=0;r--)if(t=this.views[r],e=t.bounds().top,e<i.bottom){if(this.current==t.section)break;this.current=t.section,this.trigger("current",this.current);break}},EPUBJS.Continuous.prototype.start=function(){var t;this.tick=EPUBJS.core.requestAnimationFrame,this.settings.height?(this.prevScrollTop=this.container.scrollTop,this.prevScrollLeft=this.container.scrollLeft):(this.prevScrollTop=window.scrollY,this.prevScrollLeft=window.scrollX),this.scrollDeltaVert=0,this.scrollDeltaHorz=0,t=this.settings.height?this.container:window,window.addEventListener("scroll",function(){this.ignore?this.ignore=!1:this.scrolled=!0}.bind(this)),window.addEventListener("unload",function(){this.ignore=!0,this.destroy()}.bind(this)),this.tick.call(window,this.onScroll.bind(this)),this.scrolled=!1},EPUBJS.Continuous.prototype.onScroll=function(){this.scrolled&&(this.settings.height?(scrollTop=this.container.scrollTop,scrollLeft=this.container.scrollLeft):(scrollTop=window.scrollY,scrollLeft=window.scrollX),this.ignore?this.ignore=!1:(0===this.scrollDeltaVert&&0===this.scrollDeltaHorz||this.scrollDeltaVert>this.settings.offsetDelta||this.scrollDeltaHorz>this.settings.offsetDelta)&&(this.q.enqueue(this.check),this.scrollDeltaVert=0,this.scrollDeltaHorz=0),this.scrollDeltaVert+=Math.abs(scrollTop-this.prevScrollTop),this.scrollDeltaHorz+=Math.abs(scrollLeft-this.prevScrollLeft),this.settings.height?(this.prevScrollTop=this.container.scrollTop,this.prevScrollLeft=this.container.scrollLeft):(this.prevScrollTop=window.scrollY,this.prevScrollLeft=window.scrollX),clearTimeout(this.scrollTimeout),this.scrollTimeout=setTimeout(function(){this.scrollDeltaVert=0,this.scrollDeltaHorz=0
}.bind(this),150),this.scrolled=!1),this.tick.call(window,this.onScroll.bind(this))},EPUBJS.Continuous.prototype.scrollBy=function(t,e,i){i&&(this.ignore=!0),this.settings.height?(t&&(this.container.scrollLeft+=t),e&&(this.container.scrollTop+=e)):window.scrollBy(t,e),this.scrolled=!0},EPUBJS.Continuous.prototype.scrollTo=function(t,e,i){i&&(this.ignore=!0),this.settings.height?(this.container.scrollLeft=t,this.container.scrollTop=e):window.scrollTo(t,e),this.scrolled=!0},EPUBJS.Continuous.prototype.resizeView=function(t){"horizontal"===this.settings.axis?t.lock(null,this.stage.height):t.lock(this.stage.width,null)},EPUBJS.Continuous.prototype.currentLocation=function(){{var t,e,i=this.visible();this.container.getBoundingClientRect()}return 1===i.length?this.map.page(i[0]):i.length>1?(t=this.map.page(i[0]),e=this.map.page(i[i.length-1]),{start:t.start,end:e.end}):void 0},EPUBJS.Paginate=function(t,e){EPUBJS.Continuous.apply(this,arguments),this.settings=EPUBJS.core.extend(this.settings||{},{width:600,height:400,axis:"horizontal",forceSingle:!1,minSpreadWidth:800,gap:"auto",overflow:"hidden",infinite:!1}),EPUBJS.core.extend(this.settings,e),this.isForcedSingle=!1,this.viewSettings={axis:this.settings.axis},this.start()},EPUBJS.Paginate.prototype=Object.create(EPUBJS.Continuous.prototype),EPUBJS.Paginate.prototype.constructor=EPUBJS.Paginate,EPUBJS.Paginate.prototype.determineSpreads=function(t){return this.isForcedSingle||!t||this.bounds().width<t?1:2},EPUBJS.Paginate.prototype.forceSingle=function(t){this.isForcedSingle=t?!0:!1},EPUBJS.Paginate.prototype.determineLayout=function(t){var e=this.determineSpreads(this.settings.minSpreadWidth);console.log("spreads",e,this.settings.minSpreadWidth);var i=e?"ReflowableSpreads":"Reflowable",n=!1;return"pre-paginated"===t.layout&&(i="Fixed",n=!0,e=!1),"reflowable"===t.layout&&"none"===t.spread&&(i="Reflowable",n=!1,e=!1),"reflowable"===t.layout&&"both"===t.spread&&(i="ReflowableSpreads",n=!1,e=!0),this.spreads=e,i},EPUBJS.Paginate.prototype.start=function(){this.hooks.display.register(this.reportLocation),this.currentPage=0,window.addEventListener("unload",function(){this.ignore=!0,this.destroy()}.bind(this))},EPUBJS.Paginate.prototype.layoutMethod=function(){this.layout=new EPUBJS.Layout.Reflowable,this.layoutUpdate(),this.map=new EPUBJS.Map(this.layout)},EPUBJS.Paginate.prototype.layoutUpdate=function(){this.spreads=this.determineSpreads(this.settings.minSpreadWidth),this.layout.calculate(this.stage.width,this.stage.height,this.settings.gap,this.spreads),this.settings.offset=this.layout.delta},EPUBJS.Paginate.prototype.moveTo=function(t){var e=Math.floor(t.left/this.layout.delta)*this.layout.delta;return this.check(0,e+this.settings.offset).then(function(){this.scrollBy(e,0)}.bind(this))},EPUBJS.Paginate.prototype.page=function(){},EPUBJS.Paginate.prototype.next=function(){return this.q.enqueue(function(){return this.scrollBy(this.layout.delta,0),this.reportLocation(),this.check()})},EPUBJS.Paginate.prototype.prev=function(){return this.q.enqueue(function(){return this.scrollBy(-this.layout.delta,0),this.reportLocation(),this.check()})},EPUBJS.Paginate.prototype.reportLocation=function(){return this.q.enqueue(function(){this.location=this.currentLocation(),this.trigger("locationChanged",this.location)}.bind(this))},EPUBJS.Paginate.prototype.currentLocation=function(){var t,e,i,n,r,o,s=this.visible(),a=this.container.getBoundingClientRect();return 1===s.length?(t=a.left-s[0].position().left,i=t+this.layout.spread,this.map.page(s[0],t,i)):s.length>1?(t=a.left-s[0].position().left,i=t+this.layout.column,e=a.left+this.layout.spread-s[s.length-1].position().left,n=e+this.layout.column,r=this.map.page(s[0],t,i),o=this.map.page(s[s.length-1],e,n),{start:r.start,end:o.end}):void 0},EPUBJS.Paginate.prototype.resize=function(t,e){this.q.clear(),this.stageSize(t,e),this.layoutUpdate(),this.display(this.location.start),this.trigger("resized",{width:this.stage.width,height:this.stage.height})},EPUBJS.Paginate.prototype.onResized=function(){this.clear(),clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){this.resize()}.bind(this),150)},EPUBJS.Map=function(t){this.layout=t},EPUBJS.Map.prototype.section=function(t){var e=this.findRanges(t),i=this.rangeListToCfiList(t,e);return i},EPUBJS.Map.prototype.page=function(t,e,i){var n=t.document.body;return this.rangePairToCfiPair(t.section,{start:this.findStart(n,e,i),end:this.findEnd(n,e,i)})},EPUBJS.Map.prototype.walk=function(t,e){for(var i,n,r=document.createTreeWalker(t,NodeFilter.SHOW_TEXT,{acceptNode:function(t){return t.data.trim().length>0?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_REJECT}},!1);(i=r.nextNode())&&!(n=e(i)););return n},EPUBJS.Map.prototype.findRanges=function(t){for(var e,i,n=[],r=this.layout.count(t),o=this.layout.column,s=this.layout.gap,a=0;a<r.pages;a++)e=(o+s)*a,i=o*(a+1)+s*a,n.push({start:this.findStart(t.document.body,e,i),end:this.findEnd(t.document.body,e,i)});return n},EPUBJS.Map.prototype.findStart=function(t,e,i){for(var n,r,o=[t],s=t;o.length;)if(n=o.shift(),r=this.walk(n,function(t){var n,r,a,h;return t.nodeType==Node.TEXT_NODE?(h=document.createRange(),h.selectNodeContents(t),a=h.getBoundingClientRect()):a=t.getBoundingClientRect(),n=a.left,r=a.right,n>=e&&i>=n?t:r>e?t:(s=t,void o.push(t))}))return this.findTextStartRange(r,e,i);return this.findTextStartRange(s,e,i)},EPUBJS.Map.prototype.findEnd=function(t,e,i){for(var n,r,o=[t],s=t;o.length;)if(n=o.shift(),r=this.walk(n,function(t){var e,n,r,a;return t.nodeType==Node.TEXT_NODE?(a=document.createRange(),a.selectNodeContents(t),r=a.getBoundingClientRect()):r=t.getBoundingClientRect(),e=r.left,n=r.right,e>i&&s?s:n>i?t:(s=t,void o.push(t))}))return this.findTextEndRange(r,e,i);return this.findTextEndRange(s,e,i)},EPUBJS.Map.prototype.findTextStartRange=function(t,e){for(var i,n,r,o=this.splitTextNodeIntoRanges(t),s=0;s<o.length;s++){if(n=o[s],r=n.getBoundingClientRect(),r.left>=e)return n;i=n}return o[0]},EPUBJS.Map.prototype.findTextEndRange=function(t,e,i){for(var n,r,o,s=this.splitTextNodeIntoRanges(t),a=0;a<s.length;a++){if(r=s[a],o=r.getBoundingClientRect(),o.left>i&&n)return n;if(o.right>i)return r;n=r}return s[s.length-1]},EPUBJS.Map.prototype.splitTextNodeIntoRanges=function(t,e){var i,n=[],r=t.textContent||"",o=r.trim(),s=t.ownerDocument,a=e||" ";if(pos=o.indexOf(a),-1===pos||t.nodeType!=Node.TEXT_NODE)return i=s.createRange(),i.selectNodeContents(t),[i];for(i=s.createRange(),i.setStart(t,0),i.setEnd(t,pos),n.push(i),i=!1;-1!=pos;)pos=o.indexOf(a,pos+1),pos>0&&(i&&(i.setEnd(t,pos),n.push(i)),i=s.createRange(),i.setStart(t,pos+1));return i&&(i.setEnd(t,o.length),n.push(i)),n},EPUBJS.Map.prototype.rangePairToCfiPair=function(t,e){var i=e.start,n=e.end;return i.collapse(!0),n.collapse(!0),startCfi=t.cfiFromRange(i),endCfi=t.cfiFromRange(n),{start:startCfi,end:endCfi}},EPUBJS.Map.prototype.rangeListToCfiList=function(t,e){for(var i,n=[],r=0;r<e.length;r++)i=this.rangePairToCfiPair(t.section,e[r]),n.push(i);return n};