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t=e;('scrolled'===e||'scrolled-doc'===e||'scrolled-continuous'===e)&&(t='scrolled'),('auto'===e||'paginated'===e)&&(t='paginated'),this.settings.flow=e,this._layout&&this._layout.flow(t),this.manager&&this._layout&&this.manager.applyLayout(this._layout),this.manager&&this.manager.updateFlow(t),this.manager&&this.manager.isRendered()&&this.location&&(this.manager.clear(),this.display(this.location.start.cfi))}},{key:'layout',value:function(e){var t=this;return e&&(this._layout=new 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t=e[0],n=e[e.length-1],a={start:{index:t.index,href:t.href,cfi:t.mapping.start,displayed:{page:t.pages[0]||1,total:t.totalPages}},end:{index:n.index,href:n.href,cfi:n.mapping.end,displayed:{page:n.pages[n.pages.length-1]||1,total:n.totalPages}}},i=this.book.locations.locationFromCfi(t.mapping.start),o=this.book.locations.locationFromCfi(n.mapping.end);null!=i&&(a.start.location=i,a.start.percentage=this.book.locations.percentageFromLocation(i)),null!=o&&(a.end.location=o,a.end.percentage=this.book.locations.percentageFromLocation(o));var r=this.book.pageList.pageFromCfi(t.mapping.start),l=this.book.pageList.pageFromCfi(n.mapping.end);return-1!=r&&(a.start.page=r),-1!=l&&(a.end.page=l),n.index===this.book.spine.last().index&&a.end.displayed.page>=a.end.displayed.total&&(a.atEnd=!0),t.index===this.book.spine.first().index&&1===a.start.displayed.page&&(a.atStart=!0),a}},{key:'destroy',value:function(){this.manager&&this.manager.destroy(),this.book=void 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e.addStylesheetRules({img:{"max-width":(this._layout.columnWidth?this._layout.columnWidth+'px':'100%')+'!important',"max-height":n+'px!important',"object-fit":'contain',"page-break-inside":'avoid',"break-inside":'avoid'},svg:{"max-width":(this._layout.columnWidth?this._layout.columnWidth+'px':'100%')+'!important',"max-height":n+'px!important',"page-break-inside":'avoid',"break-inside":'avoid'}}),new Promise(function(e){setTimeout(function(){e()},1)})}},{key:'getContents',value:function(){return this.manager?this.manager.getContents():[]}},{key:'views',value:function(){var e=this.manager?this.manager.views:void 0;return e||[]}},{key:'handleLinks',value:function(e){var t=this;e&&e.on(S.EVENTS.CONTENTS.LINK_CLICKED,function(e){var n=t.book.path.relative(e);t.display(n)})}},{key:'injectStylesheet',value:function(e){var t=e.createElement('link');t.setAttribute('type','text/css'),t.setAttribute('rel','stylesheet'),t.setAttribute('href',this.settings.stylesheet),e.getElementsByTagName('head')[0].appendChild(t)}},{key:'injectScript',value:function(e){var t=e.createElement('script');t.setAttribute('type','text/javascript'),t.setAttribute('src',this.settings.script),t.textContent=' ',e.getElementsByTagName('head')[0].appendChild(t)}},{key:'injectIdentifier',value:function(e){var t=this.book.package.metadata.identifier,n=e.createElement('meta');n.setAttribute('name','dc.relation.ispartof'),t&&n.setAttribute('content',t),e.getElementsByTagName('head')[0].appendChild(n)}}]),e}();(0,s.default)(O.prototype),t.default=O,e.exports=t['default']},function(e,t,n){'use strict';function a(e,t){if(!(e instanceof t))throw new TypeError('Cannot call a class as a function')}Object.defineProperty(t,'__esModule',{value:!0});var i=function(){function e(e,t){for(var n=0,a;n<t.length;n++)a=t[n],a.enumerable=a.enumerable||!1,a.configurable=!0,'value'in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}return function(t,n,a){return n&&e(t.prototype,n),a&&e(t,a),t}}(),o=n(22),l=function(e){return e&&e.__esModule?e:{default:e}}(o),r=n(6),s=function(){function e(t,n,i,o){a(this,e),this.layout=t,this.horizontal='horizontal'===i,this.direction=n||'ltr',this._dev=o}return i(e,[{key:'section',value:function(e){var t=this.findRanges(e),n=this.rangeListToCfiList(e.section.cfiBase,t);return n}},{key:'page',value:function(e,t,n,a){var i=e&&e.document&&e.document.body,o;if(i){if(o=this.rangePairToCfiPair(t,{start:this.findStart(i,n,a),end:this.findEnd(i,n,a)}),!0===this._dev){var s=e.document,d=new l.default(o.start).toRange(s),c=new l.default(o.end).toRange(s),p=s.defaultView.getSelection(),u=s.createRange();p.removeAllRanges(),u.setStart(d.startContainer,d.startOffset),u.setEnd(c.endContainer,c.endOffset),p.addRange(u)}return 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a=this.splitTextNodeIntoRanges(e),o=0,i,r,l,s,d;o<a.length;o++)if(i=a[o],r=i.getBoundingClientRect(),this.horizontal&&'ltr'===this.direction){if(l=r.left,l>=t)return i;}else if(this.horizontal&&'rtl'===this.direction){if(d=r.right,d<=n)return i;}else if(s=r.top,s>=t)return i;return a[0]}},{key:'findTextEndRange',value:function(e,t,n){for(var a=this.splitTextNodeIntoRanges(e),o=0,i,r,l,s,d,c,p;o<a.length;o++){if(r=a[o],l=r.getBoundingClientRect(),this.horizontal&&'ltr'===this.direction){if(s=l.left,d=l.right,s>n&&i)return i;if(d>n)return r}else if(this.horizontal&&'rtl'===this.direction){if(s=l.left,d=l.right,d<t&&i)return i;if(s<t)return r}else{if(c=l.top,p=l.bottom,c>n&&i)return i;if(p>n)return r}i=r}return a[a.length-1]}},{key:'splitTextNodeIntoRanges',value:function(e,t){var n=[],a=e.textContent||'',i=a.trim(),o=e.ownerDocument,r=t||' ',l=i.indexOf(r),s;if(-1===l||e.nodeType!=Node.TEXT_NODE)return s=o.createRange(),s.selectNodeContents(e),[s];for(s=o.createRange(),s.setStart(e,0),s.setEnd(e,l),n.push(s),s=!1;-1!=l;)l=i.indexOf(r,l+1),0<l&&(s&&(s.setEnd(e,l),n.push(s)),s=o.createRange(),s.setStart(e,l+1));return s&&(s.setEnd(e,i.length),n.push(s)),n}},{key:'rangePairToCfiPair',value:function(e,t){var n=t.start,a=t.end;n.collapse(!0),a.collapse(!1);var i=new l.default(n,e).toString(),o=new l.default(a,e).toString();return{start:i,end:o}}},{key:'rangeListToCfiList',value:function(e,t){for(var n=[],a=0,i;a<t.length;a++)i=this.rangePairToCfiPair(e,t[a]),n.push(i);return n}},{key:'axis',value:function(e){return e&&(this.horizontal='horizontal'===e),this.horizontal}}]),e}();t.default=s,e.exports=t['default']},function(e,t,n){'use strict';function a(e){return e&&e.__esModule?e:{default:e}}function i(e,t){if(!(e instanceof t))throw new TypeError('Cannot call a class as a function')}Object.defineProperty(t,'__esModule',{value:!0});var o=function(){function e(e,t){for(var n=0,a;n<t.length;n++)a=t[n],a.enumerable=a.enumerable||!1,a.configurable=!0,'value'in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}return function(t,n,a){return n&&e(t.prototype,n),a&&e(t,a),t}}(),r=n(35),l=a(r),s=n(6),d=n(22),c=a(d),p=n(103),u=a(p),h=n(31),f=n(385),m=function(){function e(t,n){i(this,e),this.settings=(0,s.extend)({ignoreClass:'',axis:n.layout&&'scrolled'===n.layout.props.flow?'vertical':'horizontal',direction:void 0,width:0,height:0,layout:void 0,globalLayoutProperties:{},method:void 0},n||{}),this.id='epubjs-view-'+(0,s.uuid)(),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 c.default,this.layout=this.settings.layout,this.pane=void 0,this.highlights={},this.underlines={},this.marks={}}return o(e,[{key:'container',value:function(e){var t=document.createElement('div');return t.classList.add('epub-view'),t.style.height='0px',t.style.width='0px',t.style.overflow='hidden',t.style.position='relative',t.style.display='block',t.style.flex=e&&'horizontal'==e?'none':'initial',t}},{key:'create',value:function(){return this.iframe?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.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.element.appendChild(this.iframe),this.added=!0,this.elementBounds=(0,s.bounds)(this.element),this.supportsSrcdoc=!!('srcdoc'in this.iframe),this.settings.method||(this.settings.method=this.supportsSrcdoc?'srcdoc':'write'),this.iframe)}},{key:'render',value:function(e){return this.create(),this.size(),this.sectionRender||(this.sectionRender=this.section.render(e)),this.sectionRender.then(function(e){return this.load(e)}.bind(this)).then(function(){var e=this;this.layout.format(this.contents);var t=this.contents.writingMode(),n=0===t.indexOf('vertical')?'vertical':'horizontal';return this.setAxis(n),this.emit(h.EVENTS.VIEWS.AXIS,n),this.addListeners(),new Promise(function(t){e.expand(),t()})}.bind(this),function(t){return this.emit(h.EVENTS.VIEWS.LOAD_ERROR,t),new Promise(function(e,n){n(t)})}.bind(this)).then(function(){this.emit(h.EVENTS.VIEWS.RENDERED,this.section)}.bind(this))}},{key:'reset',value:function(){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}},{key:'size',value:function(e,t){var n=e||this.settings.width,a=t||this.settings.height;'pre-paginated'===this.layout.name?this.lock('both',n,a):'horizontal'===this.settings.axis?this.lock('height',n,a):this.lock('width',n,a),this.settings.width=n,this.settings.height=a}},{key:'lock',value:function(e,t,n){var a=(0,s.borders)(this.element),i;i=this.iframe?(0,s.borders)(this.iframe):{width:0,height:0},'width'==e&&(0,s.isNumber)(t)&&(this.lockedWidth=t-a.width-i.width),'height'==e&&(0,s.isNumber)(n)&&(this.lockedHeight=n-a.height-i.height),'both'===e&&(0,s.isNumber)(t)&&(0,s.isNumber)(n)&&(this.lockedWidth=t-a.width-i.width,this.lockedHeight=n-a.height-i.height),this.displayed&&this.iframe&&this.expand()}},{key:'expand',value:function(){var e=this.lockedWidth,t=this.lockedHeight,n;!this.iframe||this._expanding||(this._expanding=!0,'pre-paginated'===this.layout.name?(e=this.layout.columnWidth,t=this.layout.height):'horizontal'===this.settings.axis?(e=this.contents.textWidth(),0<e%this.layout.pageWidth&&(e=g(e/this.layout.pageWidth)*this.layout.pageWidth),this.settings.forceEvenPages&&(n=e/this.layout.pageWidth,1<this.layout.divisor&&'reflowable'===this.layout.name&&0<n%2&&(e+=this.layout.pageWidth))):'vertical'===this.settings.axis&&(t=this.contents.textHeight()),(this._needsReframe||e!=this._width||t!=this._height)&&this.reframe(e,t),this._expanding=!1)}},{key:'reframe',value:function(e,t){var n=this,a;(0,s.isNumber)(e)&&(this.element.style.width=e+'px',this.iframe.style.width=e+'px',this._width=e),(0,s.isNumber)(t)&&(this.element.style.height=t+'px',this.iframe.style.height=t+'px',this._height=t);var i=this.prevBounds?e-this.prevBounds.width:e,o=this.prevBounds?t-this.prevBounds.height:t;a={width:e,height:t,widthDelta:i,heightDelta:o},this.pane&&this.pane.render(),requestAnimationFrame(function(){var e;for(var t in n.marks)n.marks.hasOwnProperty(t)&&(e=n.marks[t],n.placeMark(e.element,e.range))}),this.onResize(this,a),this.emit(h.EVENTS.VIEWS.RESIZED,a),this.prevBounds=a,this.elementBounds=(0,s.bounds)(this.element)}},{key:'load',value:function(e){var t=new s.defer,n=t.promise;if(!this.iframe)return t.reject(new Error('No Iframe Available')),n;if(this.iframe.onload=function(e){this.onLoad(e,t)}.bind(this),'blobUrl'===this.settings.method)this.blobUrl=(0,s.createBlobUrl)(e,'application/xhtml+xml'),this.iframe.src=this.blobUrl;else if('srcdoc'===this.settings.method)this.iframe.srcdoc=e;else{if(this.document=this.iframe.contentDocument,!this.document)return t.reject(new Error('No Document 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a=this.document.querySelector('link[rel=\'canonical\']');a?a.setAttribute('href',this.section.canonical):(a=this.document.createElement('link'),a.setAttribute('rel','canonical'),a.setAttribute('href',this.section.canonical),this.document.querySelector('head').appendChild(a)),this.contents.on(h.EVENTS.CONTENTS.EXPAND,function(){n.displayed&&n.iframe&&(n.expand(),n.contents&&n.layout.format(n.contents))}),this.contents.on(h.EVENTS.CONTENTS.RESIZE,function(){n.displayed&&n.iframe&&(n.expand(),n.contents&&n.layout.format(n.contents))}),t.resolve(this.contents)}},{key:'setLayout',value:function(e){this.layout=e,this.contents&&(this.layout.format(this.contents),this.expand())}},{key:'setAxis',value:function(e){'scrolled'===this.layout.props.flow&&(e='vertical'),this.settings.axis=e,this.element.style.flex='horizontal'==e?'none':'initial',this.size()}},{key:'addListeners',value:function(){}},{key:'removeListeners',value:function(){}},{key:'display',value:function(e){var t=new s.defer;return this.displayed?t.resolve(this):this.render(e).then(function(){this.emit(h.EVENTS.VIEWS.DISPLAYED,this),this.onDisplayed(this),this.displayed=!0,t.resolve(this)}.bind(this),function(e){t.reject(e,this)}),t.promise}},{key:'show',value:function(){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(h.EVENTS.VIEWS.SHOWN,this)}},{key:'hide',value:function(){this.element.style.visibility='hidden',this.iframe.style.visibility='hidden',this.stopExpanding=!0,this.emit(h.EVENTS.VIEWS.HIDDEN,this)}},{key:'offset',value:function(){return{top:this.element.offsetTop,left:this.element.offsetLeft}}},{key:'width',value:function(){return this._width}},{key:'height',value:function(){return this._height}},{key:'position',value:function(){return this.element.getBoundingClientRect()}},{key:'locationOf',value:function(e){var t=this.iframe.getBoundingClientRect(),n=this.contents.locationOf(e,this.settings.ignoreClass);return{left:n.left,top:n.top}}},{key:'onDisplayed',value:function(){}},{key:'onResize',value:function(){}},{key:'bounds',value:function(e){return(e||!this.elementBounds)&&(this.elementBounds=(0,s.bounds)(this.element)),this.elementBounds}},{key:'highlight',value:function(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},n=arguments[2],a=this,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:'epubjs-hl',o=4<arguments.length&&void 0!==arguments[4]?arguments[4]:{};if(this.contents){var r=Object.assign({fill:'yellow',"fill-opacity":'0.3',"mix-blend-mode":'multiply'},o),l=this.contents.range(e),s=function(){a.emit(h.EVENTS.VIEWS.MARK_CLICKED,e,t)};t.epubcfi=e,this.pane||(this.pane=new f.Pane(this.iframe,this.element));var d=new f.Highlight(l,i,t,r),c=this.pane.addMark(d);return 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this.underlines[e]={mark:c,element:c.element,listeners:[s,n]},c.element.setAttribute('ref',i),c.element.addEventListener('click',s),c.element.addEventListener('touchstart',s),n&&(c.element.addEventListener('click',n),c.element.addEventListener('touchstart',n)),c}}},{key:'mark',value:function(e){var t=this,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},a=arguments[2];if(this.contents){if(e in this.marks){var i=this.marks[e];return i}var o=this.contents.range(e);if(o){var r=o.commonAncestorContainer,l=1===r.nodeType?r:r.parentNode,s=function(){t.emit(h.EVENTS.VIEWS.MARK_CLICKED,e,n)};o.collapsed&&1===r.nodeType?(o=new Range,o.selectNodeContents(r)):o.collapsed&&(o=new Range,o.selectNodeContents(l));var d=this.document.createElement('a');return 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