mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-25 11:07:22 +00:00
f2c52fd278
Fixes several problems when viewing EPUBs in a browser, for example when jumping to a certain chapter in the table of contents does not work.
1 line
226 KiB
JavaScript
Vendored
1 line
226 KiB
JavaScript
Vendored
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o=Object(s.windowBounds)(),a=window.getComputedStyle(document.body),h=parseFloat(a["padding-left"])||0,l=parseFloat(a["padding-right"])||0,c=parseFloat(a["padding-top"])||0,u=parseFloat(a["padding-bottom"])||0;return n||(t=o.width-h-l),(this.settings.fullsize&&!r||!r)&&(e=o.height-c-u),{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:Object(s.windowBounds)()}getSheet(){var t=document.createElement("style");return t.appendChild(document.createTextNode("")),document.head.appendChild(t),t.sheet}addStyleRules(t,e){var i="#"+this.id+" ",n="";this.sheet||(this.sheet=this.getSheet()),e.forEach((function(t){for(var e in t)t.hasOwnProperty(e)&&(n+=e+":"+t[e]+";")})),this.sheet.insertRule(i+t+" {"+n+"}",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))}};var d=class{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,n=0;n<i;n++)if((e=this._views[n]).displayed&&e.section.index==t.index)return e}displayed(){for(var t,e=[],i=this.length,n=0;n<i;n++)(t=this._views[n]).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}},f=i(1);class p{constructor(t){this.name="default",this.optsSettings=t.settings,this.View=t.view,this.request=t.request,this.renditionQueue=t.queue,this.q=new h.a(this),this.settings=Object(s.extend)(this.settings||{},{infinite:!0,hidden:!1,width:void 0,height:void 0,axis:void 0,writingMode:void 0,flow:"scrolled",ignoreClass:"",fullsize:void 0}),Object(s.extend)(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},this.rendered=!1}render(t,e){let i=t.tagName;void 0!==this.settings.fullsize||!i||"body"!=i.toLowerCase()&&"html"!=i.toLowerCase()||(this.settings.fullsize=!0),this.settings.fullsize&&(this.settings.overflow="visible",this.overflow=this.settings.overflow),this.settings.size=e,this.settings.rtlScrollType=o(),this.stage=new u({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 d(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;this.optsSettings.resizeOnOrientationChange&&this.resize(),clearTimeout(this.orientationTimeout),this.orientationTimeout=setTimeout(function(){this.orientationTimeout=void 0,this.optsSettings.resizeOnOrientationChange&&this.resize(),this.emit(f.c.MANAGERS.ORIENTATION_CHANGE,e)}.bind(this),500)}onResized(t){this.resize()}resize(t,e,i){let n=this.stage.size(t,e);this.winBounds=Object(s.windowBounds)(),this.orientationTimeout&&this.winBounds.width===this.winBounds.height?this._stageSize=void 0:this._stageSize&&this._stageSize.width===n.width&&this._stageSize.height===n.height||(this._stageSize=n,this._bounds=this.bounds(),this.clear(),this.viewSettings.width=this._stageSize.width,this.viewSettings.height=this._stageSize.height,this.updateLayout(),this.emit(f.c.MANAGERS.RESIZED,{width:this._stageSize.width,height:this._stageSize.height},i))}createView(t,e){return new this.View(t,Object(s.extend)(this.viewSettings,{forceRight:e}))}handleNextPrePaginated(t,e,i){let n;if("pre-paginated"===this.layout.name&&this.layout.divisor>1){if(t||0===e.index)return;if(n=e.next(),n&&!n.properties.includes("page-spread-left"))return i.call(this,n)}}display(t,e){var i=new s.defer,n=i.promise;(e===t.href||Object(s.isNumber)(e))&&(e=void 0);var r=this.views.find(t);if(r&&t&&"pre-paginated"!==this.layout.name){let t=r.offset();if("ltr"===this.settings.direction)this.scrollTo(t.left,t.top,!0);else{let e=r.width();this.scrollTo(t.left+e,t.top,!0)}if(e){let t=r.locationOf(e);this.moveTo(t)}return i.resolve(),n}this.clear();let o=!1;return"pre-paginated"===this.layout.name&&2===this.layout.divisor&&t.properties.includes("page-spread-right")&&(o=!0),this.add(t,o).then(function(t){if(e){let i=t.locationOf(e);this.moveTo(i)}}.bind(this),t=>{i.reject(t)}).then(function(){return this.handleNextPrePaginated(o,t,this.add)}.bind(this)).then(function(){this.views.show(),i.resolve()}.bind(this)),n}afterDisplayed(t){this.emit(f.c.MANAGERS.ADDED,t)}afterResized(t){this.emit(f.c.MANAGERS.RESIZE,t.section)}moveTo(t){var e=0,i=0;this.isPaginated?(e=Math.floor(t.left/this.layout.delta)*this.layout.delta)+this.layout.delta>this.container.scrollWidth&&(e=this.container.scrollWidth-this.layout.delta):i=t.top,this.scrollTo(e,i,!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(f.c.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(f.c.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(f.c.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(f.c.VIEWS.WRITING_MODE,t=>{this.updateWritingMode(t)}),i.display(this.request)}prepend(t,e){var i=this.createView(t,e);return i.on(f.c.VIEWS.RESIZED,t=>{this.counter(t)}),this.views.prepend(i),i.onDisplayed=this.afterDisplayed.bind(this),i.onResize=this.afterResized.bind(this),i.on(f.c.VIEWS.AXIS,t=>{this.updateAxis(t)}),i.on(f.c.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){if(!this.isPaginated||"horizontal"!==this.settings.axis||e&&"ltr"!==e)if(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();else if(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()}else t=this.views.last().section.next();else 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();if(t){this.clear();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){if(!this.isPaginated||"horizontal"!==this.settings.axis||e&&"ltr"!==e)if(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();else if(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()}else t=this.views.first().section.prev();else this.scrollLeft=this.container.scrollLeft,this.container.scrollLeft>0?this.scrollBy(-this.layout.delta,0,!0):t=this.views.first().section.prev();if(t){this.clear();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.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,n=e.width<window.innerWidth?e.width:window.innerWidth,r="vertical"===this.settings.axis,s=(this.settings.direction,0);return this.settings.fullsize&&(s=r?window.scrollY:window.scrollX),t.map(t=>{let o,a,h,l,{index:c,href:u}=t.section,d=t.position(),f=t.width(),p=t.height();r?(o=s+e.top-d.top+0,a=o+i-0,l=this.layout.count(p,i).pages,h=i):(o=s+e.left-d.left+0,a=o+n-0,l=this.layout.count(f,n).pages,h=n);let g=Math.ceil(o/h),v=[],m=Math.ceil(a/h);if("rtl"===this.settings.direction&&!r){let t=g;g=l-m,m=l-t}v=[];for(var y=g;y<=m;y++){let t=y+1;v.push(t)}return{index:c,href:u,pages:v,totalPages:l,mapping:this.mapping.page(t.contents,t.section.cfiBase,o,a)}})}paginatedLocation(){let t=this.visible(),e=this.container.getBoundingClientRect(),i=0,n=0;return this.settings.fullsize&&(i=window.scrollX),t.map(t=>{let r,s,o,a,{index:h,href:l}=t.section,c=t.position(),u=t.width();"rtl"===this.settings.direction?(r=e.right-i,a=Math.min(Math.abs(r-c.left),this.layout.width)-n,o=c.width-(c.right-r)-n,s=o-a):(r=e.left+i,a=Math.min(c.right-r,this.layout.width)-n,s=r-c.left+n,o=s+a),n+=a;let d=this.mapping.page(t.contents,t.section.cfiBase,s,o),f=this.layout.count(u).pages,p=Math.floor(s/this.layout.pageWidth),g=[],v=Math.floor(o/this.layout.pageWidth);if(p<0&&(p=0,v+=1),"rtl"===this.settings.direction){let t=p;p=f-v,v=f-t}for(var m=p+1;m<=v;m++){let t=m;g.push(t)}return{index:h,href:l,pages:g,totalPages:f,mapping:d}})}isVisible(t,e,i,n){var r=t.position(),s=n||this.bounds();return"horizontal"===this.settings.axis&&r.right>s.left-e&&r.left<s.right+i||"vertical"===this.settings.axis&&r.bottom>s.top-e&&r.top<s.bottom+i}visible(){for(var t,e=this.bounds(),i=this.views.displayed(),n=i.length,r=[],s=0;s<n;s++)t=i[s],!0===this.isVisible(t,0,0,e)&&r.push(t);return r}scrollBy(t,e,i){let n="rtl"===this.settings.direction?-1:1;i&&(this.ignore=!0),this.settings.fullsize?window.scrollBy(t*n,e*n):(t&&(this.container.scrollLeft+=t*n),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(f.c.MANAGERS.SCROLL,{top:t,left:e}),clearTimeout(this.afterScrolled),this.afterScrolled=setTimeout(function(){this.emit(f.c.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 a.a(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 a.a(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){const i=e&&e.contents;i&&t.push(i)})),t):t}direction(t="ltr"){this.settings.direction=t,this.stage&&this.stage.direction(t),this.viewSettings.direction=t,this.updateLayout()}isRendered(){return this.rendered}}r()(p.prototype);e.a=p},function(t,e,i){"use strict";var n=i(2),r=i(0);e.a=class{constructor(t,e,i,n=!1){this.layout=t,this.horizontal="horizontal"===i,this.direction=e||"ltr",this._dev=n}section(t){var e=this.findRanges(t);return this.rangeListToCfiList(t.section.cfiBase,e)}page(t,e,i,r){var s,o=!(!t||!t.document)&&t.document.body;if(o){if(s=this.rangePairToCfiPair(e,{start:this.findStart(o,i,r),end:this.findEnd(o,i,r)}),!0===this._dev){let e=t.document,i=new n.a(s.start).toRange(e),r=new n.a(s.end).toRange(e),o=e.defaultView.getSelection(),a=e.createRange();o.removeAllRanges(),a.setStart(i.startContainer,i.startOffset),a.setEnd(r.endContainer,r.endOffset),o.addRange(a)}return s}}walk(t,e){if(!t||t.nodeType!==Node.TEXT_NODE){var i=function(t){return t.data.trim().length>0?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_REJECT},n=i;n.acceptNode=i;for(var r,s,o=document.createTreeWalker(t,NodeFilter.SHOW_TEXT,n,!1);(r=o.nextNode())&&!(s=e(r)););return s}}findRanges(t){for(var 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e=r.default.createElement("g");return this.element.appendChild(e),t.bind(e,this.container),this.marks.push(t),t.render(),t}},{key:"removeMark",value:function(t){var e=this.marks.indexOf(t);if(-1!==e){var i=t.unbind();this.element.removeChild(i),this.marks.splice(e,1)}}},{key:"render",value:function(){var t,e,i,n;!function(t,e){t.style.setProperty("top",e.top+"px","important"),t.style.setProperty("left",e.left+"px","important"),t.style.setProperty("height",e.height+"px","important"),t.style.setProperty("width",e.width+"px","important")}(this.element,(t=this.target,e=this.container,i=e.getBoundingClientRect(),n=t.getBoundingClientRect(),{top:n.top-i.top,left:n.left-i.left,height:t.scrollHeight,width:t.scrollWidth}));var r=!0,s=!1,o=void 0;try{for(var a,h=this.marks[Symbol.iterator]();!(r=(a=h.next()).done);r=!0){a.value.render()}}catch(t){s=!0,o=t}finally{try{!r&&h.return&&h.return()}finally{if(s)throw o}}}}]),t}();var c=e.Mark=function(){function t(){l(this,t),this.element=null}return n(t,[{key:"bind",value:function(t,e){this.element=t,this.container=e}},{key:"unbind",value:function(){var t=this.element;return this.element=null,t}},{key:"render",value:function(){}},{key:"dispatchEvent",value:function(t){this.element&&this.element.dispatchEvent(t)}},{key:"getBoundingClientRect",value:function(){return this.element.getBoundingClientRect()}},{key:"getClientRects",value:function(){for(var t=[],e=this.element.firstChild;e;)t.push(e.getBoundingClientRect()),e=e.nextSibling;return t}},{key:"filteredRanges",value:function(){var t=Array.from(this.range.getClientRects());return t.filter((function(e){for(var i=0;i<t.length;i++){if(t[i]===e)return!0;if(n=t[i],(r=e).right<=n.right&&r.left>=n.left&&r.top>=n.top&&r.bottom<=n.bottom)return!1}var n,r;return!0}))}}]),t}(),u=e.Highlight=function(t){function e(t,i,n,r){l(this,e);var s=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this));return s.range=t,s.className=i,s.data=n||{},s.attributes=r||{},s}return h(e,t),n(e,[{key:"bind",value:function(t,i){for(var n in function t(e,i,n){null===e&&(e=Function.prototype);var r=Object.getOwnPropertyDescriptor(e,i);if(void 0===r){var s=Object.getPrototypeOf(e);return null===s?void 0:t(s,i,n)}if("value"in r)return r.value;var o=r.get;return void 0!==o?o.call(n):void 0}(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"bind",this).call(this,t,i),this.data)this.data.hasOwnProperty(n)&&(this.element.dataset[n]=this.data[n]);for(var n in this.attributes)this.attributes.hasOwnProperty(n)&&this.element.setAttribute(n,this.attributes[n]);this.className&&this.element.classList.add(this.className)}},{key:"render",value:function(){for(;this.element.firstChild;)this.element.removeChild(this.element.firstChild);for(var t=this.element.ownerDocument.createDocumentFragment(),e=this.filteredRanges(),i=this.element.getBoundingClientRect(),n=this.container.getBoundingClientRect(),s=0,o=e.length;s<o;s++){var 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l=r.default.createElement("line");l.setAttribute("x1",a.left-i.left+n.left),l.setAttribute("x2",a.left-i.left+n.left+a.width),l.setAttribute("y1",a.top-i.top+n.top+a.height-1),l.setAttribute("y2",a.top-i.top+n.top+a.height-1),l.setAttribute("stroke-width",1),l.setAttribute("stroke","black"),l.setAttribute("stroke-linecap","square"),t.appendChild(h),t.appendChild(l)}this.element.appendChild(t)}}]),e}(u)},function(t,e){var i;i=function(){return this}();try{i=i||new Function("return this")()}catch(t){"object"==typeof window&&(i=window)}t.exports=i},function(t,e,i){var n=i(7),r=i(59).f,s=i(15),o=i(19),a=i(42),h=i(90),l=i(96);t.exports=function(t,e){var i,c,u,d,f,p=t.target,g=t.global,v=t.stat;if(i=g?n:v?n[p]||a(p,{}):(n[p]||{}).prototype)for(c in e){if(d=e[c],u=t.noTargetGet?(f=r(i,c))&&f.value:i[c],!l(g?c:p+(v?".":"#")+c,t.forced)&&void 0!==u){if(typeof d==typeof u)continue;h(d,u)}(t.sham||u&&u.sham)&&s(d,"sham",!0),o(i,c,d,t)}}},function(t,e,i){var n=i(61),r=i(33);t.exports=function(t){return n(r(t))}},function(t,e){t.exports=function(t){if(null==t)throw TypeError("Can't call method on "+t);return t}},function(t,e){t.exports=!1},function(t,e){var i=Math.ceil,n=Math.floor;t.exports=function(t){return isNaN(t=+t)?0:(t>0?n:i)(t)}},function(t,e,i){var n=i(33);t.exports=function(t){return Object(n(t))}},function(t,e,i){var n=i(18).f,r=i(10),s=i(8)("toStringTag");t.exports=function(t,e,i){t&&!r(t=i?t:t.prototype,s)&&n(t,s,{configurable:!0,value:e})}},function(e,i){e.exports=t},function(t,e,i){"use strict";var n=i(3),r=i.n(n),s=i(0),o=i(6),a=i(2),h=i(21),l=i(1);class 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arguments[1]?this.registerUrl(arguments[0],arguments[1]):2===arguments.length&&"object"==typeof arguments[1]?this.registerRules(arguments[0],arguments[1]):void 0}default(t){if(t)return"string"==typeof t?this.registerUrl("default",t):"object"==typeof t?this.registerRules("default",t):void 0}registerThemes(t){for(var e in t)t.hasOwnProperty(e)&&("string"==typeof t[e]?this.registerUrl(e,t[e]):this.registerRules(e,t[e]))}registerCss(t,e){this._themes[t]={serialized:e},(this._injected[t]||"default"==t)&&this.update(t)}registerUrl(t,e){var i=new d.a(e);this._themes[t]={url:i.toString()},(this._injected[t]||"default"==t)&&this.update(t)}registerRules(t,e){this._themes[t]={rules:e},(this._injected[t]||"default"==t)&&this.update(t)}select(t){var e=this._current;this._current=t,this.update(t),this.rendition.getContents().forEach(i=>{i.removeClass(e),i.addClass(t)})}update(t){this.rendition.getContents().forEach(e=>{this.add(t,e)})}inject(t){var e,i=[],n=this._themes;for(var r in n)!n.hasOwnProperty(r)||r!==this._current&&"default"!==r||(((e=n[r]).rules&&Object.keys(e.rules).length>0||e.url&&-1===i.indexOf(e.url))&&this.add(r,t),this._injected.push(r));"default"!=this._current&&t.addClass(this._current)}add(t,e){var 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 n=this.rendition.getContents();this._overrides[t]={value:e,priority:!0===i},n.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}};i(28);class p{constructor({type:t,cfiRange:e,data:i,sectionIndex:n,cb:r,className:s,styles:o}){this.type=t,this.cfiRange=e,this.data=i,this.sectionIndex=n,this.mark=void 0,this.cb=r,this.className=s,this.styles=o}update(t){this.data=t}attach(t){let e,{cfiRange:i,data:n,type:r,mark:s,cb:o,className:a,styles:h}=this;return"highlight"===r?e=t.highlight(i,n,o,a,h):"underline"===r?e=t.underline(i,n,o,a,h):"mark"===r&&(e=t.mark(i,n,o)),this.mark=e,this.emit(l.c.ANNOTATION.ATTACH,e),e}detach(t){let e,{cfiRange:i,type:n}=this;return t&&("highlight"===n?e=t.unhighlight(i):"underline"===n?e=t.ununderline(i):"mark"===n&&(e=t.unmark(i))),this.mark=void 0,this.emit(l.c.ANNOTATION.DETACH,e),e}text(){}}r()(p.prototype);var g=class{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,n,r,s){let o=encodeURI(e+t),h=new a.a(e).spinePos,l=new p({type:t,cfiRange:e,data:i,sectionIndex:h,cb:n,className:r,styles:s});return this._annotations[o]=l,h in this._annotationsBySectionIndex?this._annotationsBySectionIndex[h].push(o):this._annotationsBySectionIndex[h]=[o],this.rendition.views().forEach(t=>{l.sectionIndex===t.index&&l.attach(t)}),l}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,n,r){return this.add("highlight",t,e,i,n,r)}underline(t,e,i,n,r){return this.add("underline",t,e,i,n,r)}mark(t,e,i){return this.add("mark",t,e,i)}each(){return this._annotations.forEach.apply(this._annotations,arguments)}inject(t){let e=t.index;if(e in this._annotationsBySectionIndex){this._annotationsBySectionIndex[e].forEach(e=>{this._annotations[e].attach(t)})}}clear(t){let e=t.index;if(e in this._annotationsBySectionIndex){this._annotationsBySectionIndex[e].forEach(e=>{this._annotations[e].detach(t)})}}show(){}hide(){}},v=i(54),m=i(22),y=i(56);class b{constructor(t,e){this.settings=Object(s.extend)(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"}),Object(s.extend)(this.settings,e),"object"==typeof this.settings.manager&&(this.manager=this.settings.manager),this.book=t,this.hooks={},this.hooks.display=new o.a(this),this.hooks.serialize=new o.a(this),this.hooks.content=new o.a(this),this.hooks.unloaded=new o.a(this),this.hooks.layout=new o.a(this),this.hooks.render=new o.a(this),this.hooks.show=new o.a(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 f(this),this.annotations=new g(this),this.epubcfi=new a.a,this.q=new h.a(this),this.location=void 0,this.q.enqueue(this.book.opened),this.starting=new s.defer,this.started=this.starting.promise,this.q.enqueue(this.start)}setManager(t){this.manager=t}requireManager(t){return"string"==typeof t&&"default"===t?m.a:"string"==typeof t&&"continuous"===t?y.a:t}requireView(t){return"string"==typeof t&&"iframe"===t?v.a: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(l.c.MANAGERS.ADDED,this.afterDisplayed.bind(this)),this.manager.on(l.c.MANAGERS.REMOVED,this.afterRemoved.bind(this)),this.manager.on(l.c.MANAGERS.RESIZED,this.onResized.bind(this)),this.manager.on(l.c.MANAGERS.ORIENTATION_CHANGE,this.onOrientationChange.bind(this)),this.manager.on(l.c.MANAGERS.SCROLLED,this.reportLocation.bind(this)),this.emit(l.c.RENDITION.STARTED),this.starting.resolve()}attachTo(t){return this.q.enqueue(function(){this.manager.render(t,{width:this.settings.width,height:this.settings.height}),this.emit(l.c.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 s.defer,n=i.promise;return this.displaying=i,this.book.locations.length()&&Object(s.isFloat)(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(l.c.RENDITION.DISPLAYED,e),this.reportLocation()},t=>{this.emit(l.c.RENDITION.DISPLAY_ERROR,t)}),n):(i.reject(new Error("No Section Found")),n)}}afterDisplayed(t){t.on(l.c.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(l.c.RENDITION.RENDERED,t.section,t)}):this.emit(l.c.RENDITION.RENDERED,t.section,t)})}afterRemoved(t){this.hooks.unloaded.trigger(t,this).then(()=>{this.emit(l.c.RENDITION.REMOVED,t.section,t)})}onResized(t,e){this.emit(l.c.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(l.c.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",n=this.settings.orientation||t.orientation||"auto",r=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:n,flow:r,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 u(t),this._layout.spread(t.spread,this.settings.minSpreadWidth),this._layout.on(l.c.LAYOUT.UPDATED,(t,e)=>{this.emit(l.c.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 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h=s?this.scrollLeft:this.scrollTop,l=s?Math.floor(a.width):a.height,c=s?this.container.scrollWidth:this.container.scrollHeight,u=this.writingMode&&0===this.writingMode.indexOf("vertical")?"vertical":"horizontal",d=this.settings.rtlScrollType,f="rtl"===this.settings.direction;this.settings.fullsize?(s&&f&&"negative"===d||!s&&f&&"default"===d)&&(h*=-1):(f&&"default"===d&&"horizontal"===u&&(h=c-l-h),f&&"negative"===d&&"horizontal"===u&&(h*=-1));let p=()=>{let t=this.views.first(),e=t&&t.section.prev();e&&r.push(this.prepend(e))},g=h-o;h+l+o>=c&&(()=>{let t=this.views.last(),e=t&&t.section.next();e&&r.push(this.append(e))})(),g<0&&p();let v=r.map(t=>t.display(this.request));return r.length?Promise.all(v).then(()=>this.check()).then(()=>this.update(o),t=>t):(this.q.enqueue(function(){this.update()}.bind(this)),i.resolve(!1),i.promise)}trim(){for(var t=new 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t;this.tick=n.requestAnimationFrame;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=f()(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 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Math.round(1e3*e)/1e3}percentageFromCfi(t){var e=this.pageFromCfi(t);return this.percentageFromPage(e)}destroy(){this.pages=void 0,this.locations=void 0,this.epubcfi=void 0,this.pageList=void 0,this.toc=void 0,this.ncx=void 0}},R=i(39),L=i(85),I=i.n(L);var j=class{constructor(){this.zip=void 0,this.urlCache={},this.checkRequirements()}checkRequirements(){try{this.zip=new I.a}catch(t){throw new Error("JSZip lib not loaded")}}open(t,e){return this.zip.loadAsync(t,{base64:e})}openUrl(t,e){return u(t,"binary").then(function(t){return this.zip.loadAsync(t,{base64:e})}.bind(this))}request(t,e){var i,n=new s.defer,r=new a.a(t);return e||(e=r.extension),(i="blob"==e?this.getBlob(t):this.getText(t))?i.then(function(t){let i=this.handleResponse(t,e);n.resolve(i)}.bind(this)):n.reject({message:"File not found in the epub: "+t,stack:(new Error).stack}),n.promise}handleResponse(t,e){return"json"==e?JSON.parse(t):Object(s.isXml)(e)?Object(s.parse)(t,"text/xml"):"xhtml"==e?Object(s.parse)(t,"application/xhtml+xml"):"html"==e||"htm"==e?Object(s.parse)(t,"text/html"):t}getBlob(t,e){var i=window.decodeURIComponent(t.substr(1)),n=this.zip.file(i);if(n)return e=e||C.lookup(n.name),n.async("uint8array").then((function(t){return new Blob([t],{type:e})}))}getText(t,e){var i=window.decodeURIComponent(t.substr(1)),n=this.zip.file(i);if(n)return n.async("string").then((function(t){return t}))}getBase64(t,e){var i=window.decodeURIComponent(t.substr(1)),n=this.zip.file(i);if(n)return e=e||C.lookup(n.name),n.async("base64").then((function(t){return"data:"+e+";base64,"+t}))}createUrl(t,e){var i,n,r=new s.defer,o=window.URL||window.webkitURL||window.mozURL,a=e&&e.base64;return t in 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0,canonical:void 0,openAs:void 0,store:void 0}),Object(s.extend)(this.settings,e),this.opening=new s.defer,this.opened=this.opening.promise,this.isOpen=!1,this.loading={manifest:new s.defer,spine:new s.defer,metadata:new s.defer,cover:new s.defer,navigation:new s.defer,pageList:new s.defer,resources:new s.defer,displayOptions:new s.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,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||u,this.spine=new p,this.locations=new y(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=new Error("Cannot load book at "+t);this.emit(v.c.BOOK.OPEN_FAILED,i)})}open(t,e){var i,n=e||this.determineType(t);return n===B?(this.archived=!0,this.url=new o.a("/",""),i=this.openEpub(t)):n===q?(this.archived=!0,this.url=new o.a("/",""),i=this.openEpub(t,n)):n===M?(this.archived=!0,this.url=new o.a("/",""),i=this.request(t,"binary",this.settings.requestCredentials,this.settings.requestHeaders).then(this.openEpub.bind(this))):n==U?(this.url=new o.a(t),i=this.openPackaging(this.url.Path.toString())):n==F?(this.url=new o.a(t),i=this.openManifest(this.url.Path.toString())):(this.url=new o.a(t),i=this.openContainer("META-INF/container.xml").then(this.openPackaging.bind(this))),i}openEpub(t,e){return this.unarchive(t,e||this.settings.encoding).then(()=>this.openContainer("META-INF/container.xml")).then(t=>this.openPackaging(t))}openContainer(t){return this.load(t).then(t=>(this.container=new x(t),this.resolve(this.container.packagePath)))}openPackaging(t){return this.path=new a.a(t),this.load(t).then(t=>(this.packaging=new E(t),this.unpack(this.packaging)))}openManifest(t){return this.path=new a.a(t),this.load(t).then(t=>(this.packaging=new E,this.packaging.load(t),this.unpack(this.packaging)))}load(t){var e=this.resolve(t);return this.archived?this.archive.request(e):this.request(e,null,this.settings.requestCredentials,this.settings.requestHeaders)}resolve(t,e){if(t){var i=t;return t.indexOf("://")>-1?t:(this.path&&(i=this.path.resolve(t)),0!=e&&this.url&&(i=this.url.resolve(i)),i)}}canonical(t){return t?this.settings.canonical?this.settings.canonical(t):this.resolve(t,!0):""}determineType(t){var e;return"base64"===this.settings.encoding?q:"string"!=typeof t?B:((e=new o.a(t).path().extension)&&(e=e.replace(/\?.*$/,"")),e?"epub"===e?M:"opf"===e?U:"json"===e?F:void 0:W)}unpack(t){this.package=t,""===this.packaging.metadata.layout?this.load(this.url.resolve("META-INF/com.apple.ibooks.display-options.xml")).then(t=>{this.displayOptions=new z(t),this.loading.displayOptions.resolve(this.displayOptions)}).catch(t=>{this.displayOptions=new z,this.loading.displayOptions.resolve(this.displayOptions)}):(this.displayOptions=new z,this.loading.displayOptions.resolve(this.displayOptions)),this.spine.unpack(this.packaging,this.resolve.bind(this),this.canonical.bind(this)),this.resources=new T(this.packaging.manifest,{archive:this.archive,resolver:this.resolve.bind(this),request:this.request.bind(this),replacements:this.settings.replacements||(this.archived?"blobUrl":"base64")}),this.loadNavigation(this.packaging).then(()=>{this.loading.navigation.resolve(this.navigation)}),this.packaging.coverPath&&(this.cover=this.resolve(this.packaging.coverPath)),this.loading.manifest.resolve(this.packaging.manifest),this.loading.metadata.resolve(this.packaging.metadata),this.loading.spine.resolve(this.spine),this.loading.cover.resolve(this.cover),this.loading.resources.resolve(this.resources),this.loading.pageList.resolve(this.pageList),this.isOpen=!0,this.archived||this.settings.replacements&&"none"!=this.settings.replacements?this.replacements().then(()=>{this.loaded.displayOptions.then(()=>{this.opening.resolve(this)})}).catch(t=>{console.error(t)}):this.loaded.displayOptions.then(()=>{this.opening.resolve(this)})}loadNavigation(t){let e=t.navPath||t.ncxPath,i=t.toc;return i?new 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