epubjs/reader/js/epub.min.js

Render ePub documents in the browser, across many devices

/*!
 * @overview RSVP - a tiny implementation of Promises/A+.
 * @copyright Copyright (c) 2016 Yehuda Katz, Tom Dale, Stefan Penner and contributors
 * @license   Licensed under MIT license
 *            See https://raw.githubusercontent.com/tildeio/rsvp.js/master/LICENSE
 * @version   3.5.0
 */
"use strict";!function(a,b){"object"==typeof exports&&"undefined"!=typeof module?b(exports):"function"==typeof define&&define.amd?define(["exports"],b):b(a.RSVP=a.RSVP||{})}(this,function(a){function b(a,b){for(var c=0,d=a.length;c<d;c++)if(a[c]===b)return c;return-1}function c(a){var b=a._promiseCallbacks;return b||(b=a._promiseCallbacks={}),b}function d(a,b){return"onerror"===a?void va.on("error",b):2!==arguments.length?va[a]:void(va[a]=b)}function e(a){return"function"==typeof a||"object"==typeof a&&null!==a}function f(a){return"function"==typeof a}function g(a){return"object"==typeof a&&null!==a}function h(){}function i(){setTimeout(function(){for(var a=0;a<Aa.length;a++){var b=Aa[a],c=b.payload;c.guid=c.key+c.id,c.childGuid=c.key+c.childId,c.error&&(c.stack=c.error.stack),va.trigger(b.name,b.payload)}Aa.length=0},50)}function j(a,b,c){1===Aa.push({name:a,payload:{key:b._guidKey,id:b._id,eventName:a,detail:b._result,childId:c&&c._id,label:b._label,timeStamp:ya(),error:va["instrument-with-stack"]?new Error(b._label):null}})&&i()}function k(a,b){var c=this;if(a&&"object"==typeof a&&a.constructor===c)return a;var d=new c(m,b);return s(d,a),d}function l(){return new TypeError("A promises callback cannot return that same promise.")}function m(){}function n(a){try{return a.then}catch(a){return Ea.error=a,Ea}}function o(a,b,c,d){try{a.call(b,c,d)}catch(a){return a}}function p(a,b,c){va.async(function(a){var d=!1,e=o(c,b,function(c){d||(d=!0,b!==c?s(a,c,void 0):u(a,c))},function(b){d||(d=!0,v(a,b))},"Settle: "+(a._label||" unknown promise"));!d&&e&&(d=!0,v(a,e))},a)}function q(a,b){b._state===Ca?u(a,b._result):b._state===Da?(b._onError=null,v(a,b._result)):w(b,void 0,function(c){b!==c?s(a,c,void 0):u(a,c)},function(b){return v(a,b)})}function r(a,b,c){b.constructor===a.constructor&&c===C&&a.constructor.resolve===k?q(a,b):c===Ea?(v(a,Ea.error),Ea.error=null):void 0===c?u(a,b):f(c)?p(a,b,c):u(a,b)}function s(a,b){a===b?u(a,b):e(b)?r(a,b,n(b)):u(a,b)}function t(a){a._onError&&a._onError(a._result),x(a)}function u(a,b){a._state===Ba&&(a._result=b,a._state=Ca,0===a._subscribers.length?va.instrument&&j("fulfilled",a):va.async(x,a))}function v(a,b){a._state===Ba&&(a._state=Da,a._result=b,va.async(t,a))}function w(a,b,c,d){var e=a._subscribers,f=e.length;a._onError=null,e[f]=b,e[f+Ca]=c,e[f+Da]=d,0===f&&a._state&&va.async(x,a)}function x(a){var b=a._subscribers,c=a._state;if(va.instrument&&j(c===Ca?"fulfilled":"rejected",a),0!==b.length){for(var d=void 0,e=void 0,f=a._result,g=0;g<b.length;g+=3)d=b[g],e=b[g+c],d?A(c,d,e,f):e(f);a._subscribers.length=0}}function y(){this.error=null}function z(a,b){try{return a(b)}catch(a){return Fa.error=a,Fa}}function A(a,b,c,d){var e=f(c),g=void 0,h=void 0,i=void 0,j=void 0;if(e){if(g=z(c,d),g===Fa?(j=!0,h=g.error,g.error=null):i=!0,b===g)return void v(b,l())}else g=d,i=!0;b._state!==Ba||(e&&i?s(b,g):j?v(b,h):a===Ca?u(b,g):a===Da&&v(b,g))}function B(a,b){var c=!1;try{b(function(b){c||(c=!0,s(a,b))},function(b){c||(c=!0,v(a,b))})}catch(b){v(a,b)}}function C(a,b,c){var d=arguments,e=this,f=e._state;if(f===Ca&&!a||f===Da&&!b)return va.instrument&&j("chained",e,e),e;e._onError=null;var g=new e.constructor(m,c),h=e._result;return va.instrument&&j("chained",e,g),f?function(){var a=d[f-1];va.async(function(){return A(f,g,a,h)})}():w(e,g,a,b),g}function D(a,b,c){return a===Ca?{state:"fulfilled",value:c}:{state:"rejected",reason:c}}function E(a,b,c,d){this._instanceConstructor=a,this.promise=new a(m,d),this._abortOnReject=c,this._validateInput(b)?(this._input=b,this.length=b.length,this._remaining=b.length,this._init(),0===this.length?u(this.promise,this._result):(this.length=this.length||0,this._enumerate(),0===this._remaining&&u(this.promise,this._result))):v(this.promise,this._validationError())}function F(a,b){return new E(this,a,!0,b).promise}function G(a,b){var c=this,d=new c(m,b);if(!xa(a))return v(d,new TypeError("You must pass an array to race.")),d;for(var e=0;d._state===Ba&&e<a.length;e++)w(c.resolve(a[e]),void 0,function(a){return s(d,a)},function(a){return v(d,a)});return d}function H(a,b){var c=this,d=new c(m,b);return v(d,a),d}function I(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}function J(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}function K(a,b){this._id=Ha++,this._label=b,this._state=void 0,this._result=void 0,this._subscribers=[],va.instrument&&j("created",this),m!==a&&("function"!=typeof a&&I(),this instanceof K?B(this,a):J())}function L(){this.value=void 0}function M(a){try{return a.then}catch(a){return Ia.value=a,Ia}}function N(a,b,c){try{a.apply(b,c)}catch(a){return Ia.value=a,Ia}}function O(a,b){for(var c={},d=a.length,e=new Array(d),f=0;f<d;f++)e[f]=a[f];for(var g=0;g<b.length;g++){c[b[g]]=e[g+1]}return c}function P(a){for(var b=a.length,c=new Array(b-1),d=1;d<b;d++)c[d-1]=a[d];return c}function Q(a,b){return{then:function(c,d){return a.call(b,c,d)}}}function R(a,b){var c=function(){for(var c=this,d=arguments.length,e=new Array(d+1),f=!1,g=0;g<d;++g){var h=arguments[g];if(!f){if((f=U(h))===Ja){var i=new K(m);return v(i,Ja.value),i}f&&f!==!0&&(h=Q(f,h))}e[g]=h}var j=new K(m);return e[d]=function(a,c){a?v(j,a):void 0===b?s(j,c):b===!0?s(j,P(arguments)):xa(b)?s(j,O(arguments,b)):s(j,c)},f?T(j,e,a,c):S(j,e,a,c)};return c.__proto__=a,c}function S(a,b,c,d){var e=N(c,d,b);return e===Ia&&v(a,e.value),a}function T(a,b,c,d){return K.all(b).then(function(b){var e=N(c,d,b);return e===Ia&&v(a,e.value),a})}function U(a){return!(!a||"object"!=typeof a)&&(a.constructor===K||M(a))}function V(a,b){return K.all(a,b)}function W(a,b,c){this._superConstructor(a,b,!1,c)}function X(a,b){return new W(K,a,b).promise}function Y(a,b){return K.race(a,b)}function Z(a,b,c){this._superConstructor(a,b,!0,c)}function $(a,b){return new Z(K,a,b).promise}function _(a,b,c){this._superConstructor(a,b,!1,c)}function aa(a,b){return new _(K,a,b).promise}function ba(a){throw setTimeout(function(){throw a}),a}function ca(a){var b={resolve:void 0,reject:void 0};return b.promise=new K(function(a,c){b.resolve=a,b.reject=c},a),b}function da(a,b,c){return K.all(a,c).then(function(a){if(!f(b))throw new TypeError("You must pass a function as map's second argument.");for(var d=a.length,e=new Array(d),g=0;g<d;g++)e[g]=b(a[g]);return K.all(e,c)})}function ea(a,b){return K.resolve(a,b)}function fa(a,b){return K.reject(a,b)}function ga(a,b){return K.all(a,b)}function ha(a,b){return K.resolve(a,b).then(function(a){return ga(a,b)})}function ia(a,b,c){return(xa(a)?ga(a,c):ha(a,c)).then(function(a){if(!f(b))throw new TypeError("You must pass a function as filter's second argument.");for(var d=a.length,e=new Array(d),g=0;g<d;g++)e[g]=b(a[g]);return ga(e,c).then(function(b){for(var c=new Array(d),e=0,f=0;f<d;f++)b[f]&&(c[e]=a[f],e++);return c.length=e,c})})}function ja(a,b){Ra[Ka]=a,Ra[Ka+1]=b,2===(Ka+=2)&&Sa()}function ka(){var a=process.nextTick,b=process.versions.node.match(/^(?:(\d+)\.)?(?:(\d+)\.)?(\*|\d+)$/);return Array.isArray(b)&&"0"===b[1]&&"10"===b[2]&&(a=setImmediate),function(){return a(pa)}}function la(){return void 0!==La?function(){La(pa)}:oa()}function ma(){var a=0,b=new Oa(pa),c=document.createTextNode("");return b.observe(c,{characterData:!0}),function(){return c.data=a=++a%2}}function na(){var a=new MessageChannel;return a.port1.onmessage=pa,function(){return a.port2.postMessage(0)}}function oa(){return function(){return setTimeout(pa,1)}}function pa(){for(var a=0;a<Ka;a+=2){(0,Ra[a])(Ra[a+1]),Ra[a]=void 0,Ra[a+1]=void 0}Ka=0}function qa(){try{var a=require,b=a("vertx");return La=b.runOnLoop||b.runOnContext,la()}catch(a){return oa()}}function ra(a,b,c){return b in a?Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0}):a[b]=c,a}function sa(){va.on.apply(va,arguments)}function ta(){va.off.apply(va,arguments)}var ua={mixin:function(a){return a.on=this.on,a.off=this.off,a.trigger=this.trigger,a._promiseCallbacks=void 0,a},on:function(a,d){if("function"!=typeof d)throw new TypeError("Callback must be a function");var e=c(this),f=void 0;f=e[a],f||(f=e[a]=[]),b(f,d)===-1&&f.push(d)},off:function(a,d){var e=c(this),f=void 0,g=void 0;if(!d)return void(e[a]=[]);f=e[a],(g=b(f,d))!==-1&&f.splice(g,1)},trigger:function(a,b,d){var e=c(this),f=void 0;if(f=e[a])for(var g=0;g<f.length;g++)(0,f[g])(b,d)}},va={instrument:!1};ua.mixin(va);var wa=void 0;wa=Array.isArray?Array.isArray:function(a){return"[object Array]"===Object.prototype.toString.call(a)};var xa=wa,ya=Date.now||function(){return(new Date).getTime()},za=Object.create||function(a){if(arguments.length>1)throw new Error("Second argument not supported");if("object"!=typeof a)throw new TypeError("Argument must be an object");return h.prototype=a,new h},Aa=[],Ba=void 0,Ca=1,Da=2,Ea=new y,Fa=new y;E.prototype._validateInput=function(a){return xa(a)},E.prototype._validationError=function(){return new Error("Array Methods must be provided an Array")},E.prototype._init=function(){this._result=new Array(this.length)},E.prototype._enumerate=function(){for(var a=this.length,b=this.promise,c=this._input,d=0;b._state===Ba&&d<a;d++)this._eachEntry(c[d],d)},E.prototype._settleMaybeThenable=function(a,b){var c=this._instanceConstructor,d=c.resolve;if(d===k){var e=n(a);if(e===C&&a._state!==Ba)a._onError=null,this._settledAt(a._state,b,a._result);else if("function"!=typeof e)this._remaining--,this._result[b]=this._makeResult(Ca,b,a);else if(c===K){var f=new c(m);r(f,a,e),this._willSettleAt(f,b)}else this._willSettleAt(new c(function(b){return b(a)}),b)}else this._willSettleAt(d(a),b)},E.prototype._eachEntry=function(a,b){g(a)?this._settleMaybeThenable(a,b):(this._remaining--,this._result[b]=this._makeResult(Ca,b,a))},E.prototype._settledAt=function(a,b,c){var d=this.promise;d._state===Ba&&(this._remaining--,this._abortOnReject&&a===Da?v(d,c):this._result[b]=this._makeResult(a,b,c)),0===this._remaining&&u(d,this._result)},E.prototype._makeResult=function(a,b,c){return c},E.prototype._willSettleAt=function(a,b){var c=this;w(a,void 0,function(a){return c._settledAt(Ca,b,a)},function(a){return c._settledAt(Da,b,a)})};var Ga="rsvp_"+ya()+"-",Ha=0;K.cast=k,K.all=F,K.race=G,K.resolve=k,K.reject=H,K.prototype={constructor:K,_guidKey:Ga,_onError:function(a){var b=this;va.after(function(){b._onError&&va.trigger("error",a,b._label)})},then:C,catch:function(a,b){return this.then(void 0,a,b)},finally:function(a,b){var c=this,d=c.constructor;return c.then(function(b){return d.resolve(a()).then(function(){return b})},function(b){return d.resolve(a()).then(function(){throw b})},b)}};var Ia=new L,Ja=new L;W.prototype=za(E.prototype),W.prototype._superConstructor=E,W.prototype._makeResult=D,W.prototype._validationError=function(){return new Error("allSettled must be called with an array")},Z.prototype=za(E.prototype),Z.prototype._superConstructor=E,Z.prototype._init=function(){this._result={}},Z.prototype._validateInput=function(a){return a&&"object"==typeof a},Z.prototype._validationError=function(){return new Error("Promise.hash must be called with an object")},Z.prototype._enumerate=function(){var a=this,b=a.promise,c=a._input,d=[];for(var e in c)b._state===Ba&&Object.prototype.hasOwnProperty.call(c,e)&&d.push({position:e,entry:c[e]});var f=d.length;a._remaining=f;for(var g=void 0,h=0;b._state===Ba&&h<f;h++)g=d[h],a._eachEntry(g.entry,g.position)},_.prototype=za(Z.prototype),_.prototype._superConstructor=E,_.prototype._makeResult=D,_.prototype._validationError=function(){return new Error("hashSettled must be called with an object")};var Ka=0,La=void 0,Ma="undefined"!=typeof window?window:void 0,Na=Ma||{},Oa=Na.MutationObserver||Na.WebKitMutationObserver,Pa="undefined"==typeof self&&"undefined"!=typeof process&&"[object process]"==={}.toString.call(process),Qa="undefined"!=typeof Uint8ClampedArray&&"undefined"!=typeof importScripts&&"undefined"!=typeof MessageChannel,Ra=new Array(1e3),Sa=void 0;Sa=Pa?ka():Oa?ma():Qa?na():void 0===Ma&&"function"==typeof require?qa():oa();if("object"==typeof self)self;else{if("object"!=typeof global)throw new Error("no global: `self` or `global` found");global}var Ta;va.async=ja,va.after=function(a){return setTimeout(a,0)};var Ua=ea,Va=function(a,b){return va.async(a,b)};if("undefined"!=typeof window&&"object"==typeof window.__PROMISE_INSTRUMENTATION__){var Wa=window.__PROMISE_INSTRUMENTATION__;d("instrument",!0);for(var Xa in Wa)Wa.hasOwnProperty(Xa)&&sa(Xa,Wa[Xa])}var Ya=(Ta={asap:ja,cast:Ua,Promise:K,EventTarget:ua,all:V,allSettled:X,race:Y,hash:$,hashSettled:aa,rethrow:ba,defer:ca,denodeify:R,configure:d,on:sa,off:ta,resolve:ea,reject:fa,map:da},ra(Ta,"async",Va),ra(Ta,"filter",ia),Ta);a.default=Ya,a.asap=ja,a.cast=Ua,a.Promise=K,a.EventTarget=ua,a.all=V,a.allSettled=X,a.race=Y,a.hash=$,a.hashSettled=aa,a.rethrow=ba,a.defer=ca,a.denodeify=R,a.configure=d,a.on=sa,a.off=ta,a.resolve=ea,a.reject=fa,a.map=da,a.async=Va,a.filter=ia,Object.defineProperty(a,"__esModule",{value:!0})});var EPUBJS=EPUBJS||{};EPUBJS.VERSION="0.2.19",EPUBJS.plugins=EPUBJS.plugins||{},EPUBJS.filePath=EPUBJS.filePath||"/epubjs/",EPUBJS.Render={},function(a){var b=(a.ePub,a.ePub=function(){var a,b;return void 0!==arguments[0]&&("string"==typeof arguments[0]||arguments[0]instanceof ArrayBuffer)&&(a=arguments[0],arguments[1]&&"object"==typeof arguments[1]?(b=arguments[1],b.bookPath=a):b={bookPath:a}),!arguments[0]||"object"!=typeof arguments[0]||arguments[0]instanceof ArrayBuffer||(b=arguments[0]),new EPUBJS.Book(b)});"function"==typeof define&&define.amd?define(["rsvp","jszip","localforage"],function(a,c,d){return b}):"undefined"!=typeof module&&module.exports&&(global.RSVP=require("rsvp"),global.JSZip=require("jszip"),global.localForage=require("localforage"),module.exports=b)}(window),EPUBJS.Book=function(a){this.settings=EPUBJS.core.defaults(a||{},{bookPath:void 0,bookKey:void 0,packageUrl:void 0,storage:!1,fromStorage:!1,saved:!1,online:!0,contained:!1,width:void 0,height:void 0,layoutOveride:void 0,orientation:void 0,minSpreadWidth:768,gap:"auto",version:1,restore:!1,reload:!1,goto:!1,styles:{},classes:[],headTags:{},withCredentials:!1,render_method:"Iframe",displayLastPage:!1}),this.settings.EPUBJSVERSION=EPUBJS.VERSION,this.spinePos=0,this.stored=!1,this.online=this.settings.online||navigator.onLine,this.networkListeners(),this.ready={manifest:new RSVP.defer,spine:new RSVP.defer,metadata:new RSVP.defer,cover:new RSVP.defer,toc:new RSVP.defer,pageList:new RSVP.defer},this.readyPromises=[this.ready.manifest.promise,this.ready.spine.promise,this.ready.metadata.promise,this.ready.cover.promise,this.ready.toc.promise],this.pageList=[],this.pagination=new EPUBJS.Pagination,this.pageListReady=this.ready.pageList.promise,this.ready.all=RSVP.all(this.readyPromises),this.ready.all.then(this._ready.bind(this)),this.isRendered=!1,this._q=EPUBJS.core.queue(this),this._rendering=!1,this._displayQ=EPUBJS.core.queue(this),this._moving=!1,this._gotoQ=EPUBJS.core.queue(this),this.renderer=new EPUBJS.Renderer(this.settings.render_method),this.renderer.setMinSpreadWidth(this.settings.minSpreadWidth),this.renderer.setGap(this.settings.gap),this.listenToRenderer(this.renderer),this.defer_opened=new RSVP.defer,this.opened=this.defer_opened.promise,this.store=!1,this.settings.storage!==!1&&this.fromStorage(!0),("string"==typeof this.settings.bookPath||this.settings.bookPath instanceof ArrayBuffer)&&this.open(this.settings.bookPath,this.settings.reload),window.addEventListener("beforeunload",this.unload.bind(this),!1)},EPUBJS.Book.prototype.open=function(a,b){var c,d=this,e=new RSVP.defer;return this.settings.bookPath=a,this.settings.contained||this.isContained(a)?(this.settings.contained=this.contained=!0,this.bookUrl="",c=this.unarchive(a).then(function(){return d.loadPackage()})):(this.bookUrl=this.urlFrom(a),c=this.loadPackage()),this.settings.restore&&!b&&localStorage?c.then(function(a){var b=d.packageIdentifier(a);d.restore(b)||d.unpack(a),e.resolve(),d.defer_opened.resolve()}):c.then(function(a){d.unpack(a),e.resolve(),d.defer_opened.resolve()}),this._registerReplacements(this.renderer),e.promise},EPUBJS.Book.prototype.loadPackage=function(a){var b,c=this,d=new EPUBJS.Parser,e=a||"META-INF/container.xml";return b=this.settings.packageUrl?c.loadXml(c.settings.packageUrl):c.loadXml(c.bookUrl+e).then(function(a){return d.container(a)}).then(function(a){return c.settings.contentsPath=c.bookUrl+a.basePath,c.settings.packageUrl=c.bookUrl+a.packagePath,c.settings.encoding=a.encoding,c.loadXml(c.settings.packageUrl)}),b.catch(function(a){console.error("Could not load book at: "+e),c.trigger("book:loadFailed",e)}),b},EPUBJS.Book.prototype.packageIdentifier=function(a){return(new EPUBJS.Parser).identifier(a)},EPUBJS.Book.prototype.unpack=function(a){var b=this,c=new EPUBJS.Parser;b.contents=c.packageContents(a,b.settings.contentsPath),b.manifest=b.contents.manifest,b.spine=b.contents.spine,b.spineIndexByURL=b.contents.spineIndexByURL,b.metadata=b.contents.metadata,b.settings.bookKey||(b.settings.bookKey=b.generateBookKey(b.metadata.identifier)),b.globalLayoutProperties=b.parseLayoutProperties(b.metadata),b.contents.coverPath&&(b.cover=b.contents.cover=b.settings.contentsPath+b.contents.coverPath),b.spineNodeIndex=b.contents.spineNodeIndex,b.ready.manifest.resolve(b.contents.manifest),b.ready.spine.resolve(b.contents.spine),b.ready.metadata.resolve(b.contents.metadata),b.ready.cover.resolve(b.contents.cover),b.locations=new EPUBJS.Locations(b.spine,b.store,b.settings.withCredentials),b.contents.navPath?(b.settings.navUrl=b.settings.contentsPath+b.contents.navPath,b.loadXml(b.settings.navUrl).then(function(a){return c.nav(a,b.spineIndexByURL,b.spine)}).then(function(a){b.toc=b.contents.toc=a,b.ready.toc.resolve(b.contents.toc)},function(a){b.ready.toc.resolve(!1)}),b.loadXml(b.settings.navUrl).then(function(a){return c.pageList(a,b.spineIndexByURL,b.spine)}).then(function(a){var c=new EPUBJS.EpubCFI,d=0;0!==a.length&&(b.pageList=b.contents.pageList=a,b.pageList.forEach(function(a){a.cfi||(d+=1,c.generateCfiFromHref(a.href,b).then(function(c){a.cfi=c,a.packageUrl=b.settings.packageUrl,0===(d-=1)&&(b.pagination.process(b.pageList),b.ready.pageList.resolve(b.pageList))}))}),d||(b.pagination.process(b.pageList),b.ready.pageList.resolve(b.pageList)))},function(a){b.ready.pageList.resolve([])})):b.contents.tocPath?(b.settings.tocUrl=b.settings.contentsPath+b.contents.tocPath,b.loadXml(b.settings.tocUrl).then(function(a){return c.toc(a,b.spineIndexByURL,b.spine)},function(a){console.error(a)}).then(function(a){b.toc=b.contents.toc=a,b.ready.toc.resolve(b.contents.toc)},function(a){b.ready.toc.resolve(!1)})):b.ready.toc.resolve(!1)},EPUBJS.Book.prototype.createHiddenRender=function(a,b,c){var d,e,f=this.element.getBoundingClientRect(),g=b||this.settings.width||f.width,h=c||this.settings.height||f.height;return a.setMinSpreadWidth(this.settings.minSpreadWidth),a.setGap(this.settings.gap),this._registerReplacements(a),this.settings.forceSingle&&a.forceSingle(!0),d=document.createElement("div"),d.style.visibility="hidden",d.style.overflow="hidden",d.style.width="0",d.style.height="0",this.element.appendChild(d),e=document.createElement("div"),e.style.visibility="hidden",e.style.overflow="hidden",e.style.width=g+"px",e.style.height=h+"px",d.appendChild(e),a.initialize(e,this.settings.width,this.settings.height),d},EPUBJS.Book.prototype.generatePageList=function(a,b,c){var d=[],e=new EPUBJS.Renderer(this.settings.render_method,!1),f=this.createHiddenRender(e,a,b),g=new RSVP.defer,h=-1,i=this.spine.length,j=0,k=function(a){var b,g=h+1,l=a||new RSVP.defer;if(g>=i)l.resolve();else{if(c&&c.cancelled)return e.remove(),this.element.removeChild(f),void l.reject(new Error("User cancelled"));h=g,b=new EPUBJS.Chapter(this.spine[h],this.store),e.displayChapter(b,this.globalLayoutProperties).then(function(a){e.pageMap.forEach(function(a){j+=1,d.push({cfi:a.start,page:j})}),e.pageMap.length%2>0&&e.spreads&&(j+=1,d.push({cfi:e.pageMap[e.pageMap.length-1].end,page:j})),setTimeout(function(){k(l)},1)})}return l.promise}.bind(this);k().then(function(){e.remove(),this.element.removeChild(f),g.resolve(d)}.bind(this),function(a){g.reject(a)});return g.promise},EPUBJS.Book.prototype.generatePagination=function(a,b,c){var d=this,e=new RSVP.defer;return this.ready.spine.promise.then(function(){d.generatePageList(a,b,c).then(function(a){d.pageList=d.contents.pageList=a,d.pagination.process(a),d.ready.pageList.resolve(d.pageList),e.resolve(d.pageList)},function(a){e.reject(a)})}),e.promise},EPUBJS.Book.prototype.loadPagination=function(a){var b;return b="string"==typeof a?JSON.parse(a):a,b&&b.length&&(this.pageList=b,this.pagination.process(this.pageList),this.ready.pageList.resolve(this.pageList)),this.pageList},EPUBJS.Book.prototype.getPageList=function(){return this.ready.pageList.promise},EPUBJS.Book.prototype.getMetadata=function(){return this.ready.metadata.promise},EPUBJS.Book.prototype.getToc=function(){return this.ready.toc.promise},EPUBJS.Book.prototype.networkListeners=function(){var a=this;window.addEventListener("offline",function(b){a.online=!1,a.settings.storage&&a.fromStorage(!0),a.trigger("book:offline")},!1),window.addEventListener("online",function(b){a.online=!0,a.settings.storage&&a.fromStorage(!1),a.trigger("book:online")},!1)},EPUBJS.Book.prototype.listenToRenderer=function(a){var b=this;a.Events.forEach(function(c){a.on(c,function(a){b.trigger(c,a)})}),a.on("renderer:visibleRangeChanged",function(a){var b,c,d,e=[];this.pageList.length>0&&(b=this.pagination.pageFromCfi(a.start),d=this.pagination.percentageFromPage(b),e.push(b),a.end&&(c=this.pagination.pageFromCfi(a.end),e.push(c)),this.trigger("book:pageChanged",{anchorPage:b,percentage:d,pageRange:e}))}.bind(this)),a.on("render:loaded",this.loadChange.bind(this))},EPUBJS.Book.prototype.loadChange=function(a){var b,c,d=EPUBJS.core.uri(a),e=EPUBJS.core.uri(this.currentChapter.absolute);d.path!=e.path?(console.warn("Miss Match",d.path,this.currentChapter.absolute),b=this.spineIndexByURL[d.filename],c=new EPUBJS.Chapter(this.spine[b],this.store),this.currentChapter=c,this.renderer.currentChapter=c,this.renderer.afterLoad(this.renderer.render.docEl),this.renderer.beforeDisplay(function(){this.renderer.afterDisplay()}.bind(this))):this._rendering||this.renderer.reformat()},EPUBJS.Book.prototype.unlistenToRenderer=function(a){a.Events.forEach(function(b){a.off(b)})},EPUBJS.Book.prototype.coverUrl=function(){var a=this.ready.cover.promise.then(function(a){return this.settings.fromStorage?this.store.getUrl(this.contents.cover):this.settings.contained?this.zip.getUrl(this.contents.cover):this.contents.cover}.bind(this));return a.then(function(a){this.cover=a}.bind(this)),a},EPUBJS.Book.prototype.loadXml=function(a){return this.settings.fromStorage?this.store.getXml(a,this.settings.encoding):this.settings.contained?this.zip.getXml(a,this.settings.encoding):EPUBJS.core.request(a,"xml",this.settings.withCredentials)},EPUBJS.Book.prototype.urlFrom=function(a){var b,c=EPUBJS.core.uri(a),d=c.protocol,e="/"==c.path[0],f=window.location,g=f.origin||f.protocol+"//"+f.host,h=document.getElementsByTagName("base");return h.length&&(b=h[0].href),c.protocol?c.origin+c.path:!d&&e?(b||g)+c.path:d||e?void 0:EPUBJS.core.resolveUrl(b||f.pathname,c.path)},EPUBJS.Book.prototype.unarchive=function(a){return this.zip=new EPUBJS.Unarchiver,this.store=this.zip,this.zip.open(a)},EPUBJS.Book.prototype.isContained=function(a){if(a instanceof ArrayBuffer)return!0;var b=EPUBJS.core.uri(a);return!(!b.extension||"epub"!=b.extension&&"zip"!=b.extension)},EPUBJS.Book.prototype.isSaved=function(a){var b;return!!localStorage&&(b=localStorage.getItem(a),!(!localStorage||null===b))},EPUBJS.Book.prototype.generateBookKey=function(a){return"epubjs:"+EPUBJS.VERSION+":"+window.location.host+":"+a},EPUBJS.Book.prototype.saveContents=function(){if(!localStorage)return!1;localStorage.setItem(this.settings.bookKey,JSON.stringify(this.contents))},EPUBJS.Book.prototype.removeSavedContents=function(){if(!localStorage)return!1;localStorage.removeItem(this.settings.bookKey)},EPUBJS.Book.prototype.renderTo=function(a){var b=this;if(EPUBJS.core.isElement(a))this.element=a;else{if("string"!=typeof a)return void console.error("Not an Element");this.element=EPUBJS.core.getEl(a)}return this.opened.then(function(){return b.renderer.initialize(b.element,b.settings.width,b.settings.height),b.metadata.direction&&b.renderer.setDirection(b.metadata.direction),b._rendered(),b.startDisplay()})},EPUBJS.Book.prototype.startDisplay=function(){return this.settings.goto?this.goto(this.settings.goto):this.settings.previousLocationCfi?this.gotoCfi(this.settings.previousLocationCfi):this.displayChapter(this.spinePos,this.settings.displayLastPage)},EPUBJS.Book.prototype.restore=function(a){var b,c=this,d=["manifest","spine","metadata","cover","toc","spineNodeIndex","spineIndexByURL","globalLayoutProperties"],e=!1,f=this.generateBookKey(a),g=localStorage.getItem(f),h=d.length;if(this.settings.clearSaved&&(e=!0),!e&&"undefined"!=g&&null!==g)for(c.contents=JSON.parse(g),b=0;b<h;b++){var i=d[b];if(!c.contents[i]){e=!0;break}c[i]=c.contents[i]}return!(e||!g||!this.contents||!this.settings.contentsPath)&&(this.settings.bookKey=f,this.ready.manifest.resolve(this.manifest),this.ready.spine.resolve(this.spine),this.ready.metadata.resolve(this.metadata),this.ready.cover.resolve(this.cover),this.ready.toc.resolve(this.toc),!0)},EPUBJS.Book.prototype.displayChapter=function(a,b,c){var d,e,f,g,h=this,i=c||new RSVP.defer;return this.isRendered?this._rendering||this.renderer._moving?(this._displayQ.enqueue("displayChapter",[a,b,i]),i.promise):(EPUBJS.core.isNumber(a)?f=a:(e=new EPUBJS.EpubCFI(a),f=e.spinePos),(f<0||f>=this.spine.length)&&(console.warn("Not A Valid Location"),f=0,b=!1,e=!1),g=new EPUBJS.Chapter(this.spine[f],this.store),this._rendering=!0,this._needsAssetReplacement()&&g.registerHook("beforeChapterRender",[EPUBJS.replace.head,EPUBJS.replace.resources,EPUBJS.replace.posters,EPUBJS.replace.svg],!0),h.currentChapter=g,d=h.renderer.displayChapter(g,this.globalLayoutProperties),e?h.renderer.gotoCfi(e):b&&h.renderer.lastPage(),d.then(function(a){h.spinePos=f,i.resolve(h.renderer),h.settings.fromStorage===!1&&h.settings.contained===!1&&h.preloadNextChapter(),h._rendering=!1,h._displayQ.dequeue(),0===h._displayQ.length()&&h._gotoQ.dequeue()},function(a){console.error("Could not load Chapter: "+g.absolute,a),h.trigger("book:chapterLoadFailed",g.absolute),h._rendering=!1,i.reject(a)}),i.promise):(this._q.enqueue("displayChapter",arguments),i.reject({message:"Rendering",stack:(new Error).stack}),i.promise)},EPUBJS.Book.prototype.nextPage=function(a){var a=a||new RSVP.defer;return this.isRendered?this.renderer.nextPage()?(a.resolve(!0),a.promise):this.nextChapter(a):(this._q.enqueue("nextPage",[a]),a.promise)},EPUBJS.Book.prototype.prevPage=function(a){var a=a||new RSVP.defer;return this.isRendered?this.renderer.prevPage()?(a.resolve(!0),a.promise):this.prevChapter(a):(this._q.enqueue("prevPage",[a]),a.promise)},EPUBJS.Book.prototype.nextChapter=function(a){var a=a||new RSVP.defer;if(this.spinePos<this.spine.length-1){for(var b=this.spinePos+1;this.spine[b]&&this.spine[b].linear&&"no"==this.spine[b].linear;)b++;if(b<this.spine.length)return this.displayChapter(b,!1,a)}return this.trigger("book:atEnd"),a.resolve(!0),a.promise},EPUBJS.Book.prototype.prevChapter=function(a){var a=a||new RSVP.defer;if(this.spinePos>0){for(var b=this.spinePos-1;this.spine[b]&&this.spine[b].linear&&"no"==this.spine[b].linear;)b--;if(b>=0)return this.displayChapter(b,!0,a)}return this.trigger("book:atStart"),a.resolve(!0),a.promise},EPUBJS.Book.prototype.getCurrentLocationCfi=function(){return!!this.isRendered&&this.renderer.currentLocationCfi},EPUBJS.Book.prototype.goto=function(a){return 0===a.indexOf("epubcfi(")?this.gotoCfi(a):a.indexOf("%")===a.length-1?this.gotoPercentage(parseInt(a.substring(0,a.length-1))/100):"number"==typeof a||isNaN(a)===!1?this.gotoPage(a):this.gotoHref(a)},EPUBJS.Book.prototype.gotoCfi=function(a,b){var c,d,e,f,g,h=b||new RSVP.defer;return this.isRendered?this._moving||this._rendering?(console.warn("Renderer is moving"),this._gotoQ.enqueue("gotoCfi",[a,h]),!1):(c=new EPUBJS.EpubCFI(a),(d=c.spinePos)!=-1&&(e=this.spine[d],f=h.promise,this._moving=!0,this.currentChapter&&this.spinePos===d?(this.renderer.gotoCfi(c),this._moving=!1,h.resolve(this.renderer.currentLocationCfi)):(e&&d!=-1||(d=0,e=this.spine[d]),g=this.displayChapter(a),g.then(function(a){this._moving=!1,h.resolve(a.currentLocationCfi)}.bind(this),function(){this._moving=!1}.bind(this))),f.then(function(){this._gotoQ.dequeue()}.bind(this)),f)):(console.warn("Not yet Rendered"),this.settings.previousLocationCfi=a,!1)},EPUBJS.Book.prototype.gotoHref=function(a,b){var c,d,e,f,g,h=b||new RSVP.defer;return this.isRendered?this._moving||this._rendering?(this._gotoQ.enqueue("gotoHref",[a,h]),!1):(c=a.split("#"),d=c[0],e=c[1]||!1,f=d.search("://")==-1?d.replace(EPUBJS.core.uri(this.settings.contentsPath).path,""):d.replace(this.settings.contentsPath,""),g=this.spineIndexByURL[f],d||(g=this.currentChapter?this.currentChapter.spinePos:0),"number"==typeof g&&(this.currentChapter&&g==this.currentChapter.spinePos?(e?this.renderer.section(e):this.renderer.firstPage(),h.resolve(this.renderer.currentLocationCfi),h.promise.then(function(){this._gotoQ.dequeue()}.bind(this)),h.promise):this.displayChapter(g).then(function(){e&&this.renderer.section(e),h.resolve(this.renderer.currentLocationCfi)}.bind(this)))):(this.settings.goto=a,!1)},EPUBJS.Book.prototype.gotoPage=function(a){var b=this.pagination.cfiFromPage(a);return this.gotoCfi(b)},EPUBJS.Book.prototype.gotoPercentage=function(a){var b=this.pagination.pageFromPercentage(a);return this.gotoPage(b)},EPUBJS.Book.prototype.preloadNextChapter=function(){var a,b=this.spinePos+1;if(b>=this.spine.length)return!1;(a=new EPUBJS.Chapter(this.spine[b]))&&EPUBJS.core.request(a.absolute)},EPUBJS.Book.prototype.storeOffline=function(){var a=this,b=EPUBJS.core.values(this.manifest);return this.store.put(b).then(function(){a.settings.stored=!0,a.trigger("book:stored")})},EPUBJS.Book.prototype.availableOffline=function(){return this.settings.stored>0},EPUBJS.Book.prototype.toStorage=function(){var a=this.settings.bookKey;this.store.isStored(a).then(function(b){return b===!0?(this.settings.stored=!0,!0):this.storeOffline().then(function(){this.store.token(a,!0)}.bind(this))}.bind(this))},EPUBJS.Book.prototype.fromStorage=function(a){EPUBJS.replace.head,EPUBJS.replace.resources,EPUBJS.replace.posters,EPUBJS.replace.svg;this.contained||this.settings.contained||(this.online&&this.opened.then(this.toStorage.bind(this)),this.store&&this.settings.fromStorage&&a===!1?(this.settings.fromStorage=!1,this.store.off("offline"),this.store=!1):this.settings.fromStorage||(this.store=new EPUBJS.Storage(this.settings.credentials),this.store.on("offline",function(a){a?(this.offline=!0,this.settings.fromStorage=!0,this.trigger("book:offline")):(this.offline=!1,this.settings.fromStorage=!1,this.trigger("book:online"))}.bind(this))))},EPUBJS.Book.prototype.setStyle=function(a,b,c){var d=["color","background","background-color"];if(!this.isRendered)return this._q.enqueue("setStyle",arguments);this.settings.styles[a]=b,this.renderer.setStyle(a,b,c),d.indexOf(a)===-1&&this.renderer.reformat()},EPUBJS.Book.prototype.removeStyle=function(a){if(!this.isRendered)return this._q.enqueue("removeStyle",arguments);this.renderer.removeStyle(a),this.renderer.reformat(),delete this.settings.styles[a]},EPUBJS.Book.prototype.resetClasses=function(a){if(!this.isRendered)return this._q.enqueue("setClasses",arguments);a.constructor===String&&(a=[a]),this.settings.classes=a,this.renderer.setClasses(this.settings.classes),this.renderer.reformat()},EPUBJS.Book.prototype.addClass=function(a){if(!this.isRendered)return this._q.enqueue("addClass",arguments);this.settings.classes.indexOf(a)==-1&&this.settings.classes.push(a),this.renderer.setClasses(this.settings.classes),this.renderer.reformat()},EPUBJS.Book.prototype.removeClass=function(a){if(!this.isRendered)return this._q.enqueue("removeClass",arguments);var b=this.settings.classes.indexOf(a);b!=-1&&(delete this.settings.classes[b],this.renderer.setClasses(this.settings.classes),this.renderer.reformat())},EPUBJS.Book.prototype.addHeadTag=function(a,b){if(!this.isRendered)return this._q.enqueue("addHeadTag",arguments);this.settings.headTags[a]=b},EPUBJS.Book.prototype.useSpreads=function(a){console.warn("useSpreads is deprecated, use forceSingle or set a layoutOveride instead"),a===!1?this.forceSingle(!0):this.forceSingle(!1)},EPUBJS.Book.prototype.forceSingle=function(a){var b=void 0===a||a;this.renderer.forceSingle(b),this.settings.forceSingle=b,this.isRendered&&this.renderer.reformat()},EPUBJS.Book.prototype.setMinSpreadWidth=function(a){this.settings.minSpreadWidth=a,this.isRendered&&(this.renderer.setMinSpreadWidth(this.settings.minSpreadWidth),this.renderer.reformat())},EPUBJS.Book.prototype.setGap=function(a){this.settings.gap=a,this.isRendered&&(this.renderer.setGap(this.settings.gap),this.renderer.reformat())},EPUBJS.Book.prototype.chapter=function(a){var b,c,d=this.spineIndexByURL[a];return d&&(b=this.spine[d],c=new EPUBJS.Chapter(b,this.store,this.settings.withCredentials),c.load()),c},EPUBJS.Book.prototype.unload=function(){this.settings.restore&&localStorage&&this.saveContents(),this.unlistenToRenderer(this.renderer),this.trigger("book:unload")},EPUBJS.Book.prototype.destroy=function(){window.removeEventListener("beforeunload",this.unload),this.currentChapter&&this.currentChapter.unload(),this.unload(),this.renderer&&this.renderer.remove()},EPUBJS.Book.prototype._ready=function(){this.trigger("book:ready")},EPUBJS.Book.prototype._rendered=function(a){this.isRendered=!0,this.trigger("book:rendered"),this._q.flush()},EPUBJS.Book.prototype.applyStyles=function(a,b){a.applyStyles(this.settings.styles),b()},EPUBJS.Book.prototype.applyClasses=function(a,b){a.setClasses(this.settings.classes),b()},EPUBJS.Book.prototype.applyHeadTags=function(a,b){a.applyHeadTags(this.settings.headTags),b()},EPUBJS.Book.prototype._registerReplacements=function(a){a.registerHook("beforeChapterDisplay",this.applyStyles.bind(this,a),!0),a.registerHook("beforeChapterDisplay",this.applyHeadTags.bind(this,a),!0),a.registerHook("beforeChapterDisplay",this.applyClasses.bind(this,a),!0),a.registerHook("beforeChapterDisplay",EPUBJS.replace.hrefs.bind(this),!0)},EPUBJS.Book.prototype._needsAssetReplacement=function(){return!!this.settings.fromStorage||!!this.settings.contained},EPUBJS.Book.prototype.parseLayoutProperties=function(a){return{layout:this.settings.layoutOveride&&this.settings.layoutOveride.layout||a.layout||"reflowable",spread:this.settings.layoutOveride&&this.settings.layoutOveride.spread||a.spread||"auto",orientation:this.settings.layoutOveride&&this.settings.layoutOveride.orientation||a.orientation||"auto"}},RSVP.EventTarget.mixin(EPUBJS.Book.prototype),RSVP.on("error",function(a){console.error(a)}),RSVP.configure("instrument",!0),EPUBJS.Chapter=function(a,b,c){this.href=a.href,this.absolute=a.url,this.id=a.id,this.spinePos=a.index,this.cfiBase=a.cfiBase,this.properties=a.properties,this.manifestProperties=a.manifestProperties,this.linear=a.linear,this.pages=1,this.store=b,this.credentials=c,this.epubcfi=new EPUBJS.EpubCFI,this.deferred=new RSVP.defer,this.loaded=this.deferred.promise,EPUBJS.Hooks.mixin(this),this.getHooks("beforeChapterRender"),this.caches={}},EPUBJS.Chapter.prototype.load=function(a,b){var c,d=a||this.store,e=b||this.credentials;return c=d?d.getXml(this.absolute):EPUBJS.core.request(this.absolute,!1,e),c.then(function(a){try{this.setDocument(a),this.deferred.resolve(this)}catch(a){this.deferred.reject({message:this.absolute+" -> "+a.message,stack:(new Error).stack})}}.bind(this)),c},EPUBJS.Chapter.prototype.render=function(a){return this.load().then(function(a){var b=a.querySelector("head"),c=a.createElement("base");return c.setAttribute("href",this.absolute),b.insertBefore(c,b.firstChild),this.contents=a,new RSVP.Promise(function(b,c){this.triggerHooks("beforeChapterRender",function(){b(a)}.bind(this),this)}.bind(this))}.bind(this)).then(function(a){return(new XMLSerializer).serializeToString(a)}.bind(this))},EPUBJS.Chapter.prototype.url=function(a){var b,c=new RSVP.defer,d=a||this.store,e=this;return d?this.tempUrl?(b=this.tempUrl,c.resolve(b)):d.getUrl(this.absolute).then(function(a){e.tempUrl=a,c.resolve(a)}):(b=this.absolute,c.resolve(b)),c.promise},EPUBJS.Chapter.prototype.setPages=function(a){this.pages=a},EPUBJS.Chapter.prototype.getPages=function(a){return this.pages},EPUBJS.Chapter.prototype.getID=function(){return this.ID},EPUBJS.Chapter.prototype.unload=function(a){this.document=null,this.tempUrl&&a&&(a.revokeUrl(this.tempUrl),this.tempUrl=!1)},EPUBJS.Chapter.prototype.setDocument=function(a){this.document=a,this.contents=a.documentElement,!this.document.evaluate&&document.evaluate&&(this.document.evaluate=document.evaluate)},EPUBJS.Chapter.prototype.cfiFromRange=function(a){var b,c,d,e,f,g,h;if(this.document){if(void 0!==document.evaluate){if(c=EPUBJS.core.getElementXPath(a.startContainer),d=EPUBJS.core.getElementXPath(a.endContainer),e=this.document.evaluate(c,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue,a.collapsed||(f=this.document.evaluate(d,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue),b=this.document.createRange(),e)try{b.setStart(e,a.startOffset),!a.collapsed&&f&&b.setEnd(f,a.endOffset)}catch(a){console.log("missed"),e=!1}e||(console.log("not found, try fuzzy match"),g=EPUBJS.core.cleanStringForXpath(a.startContainer.textContent),c="//text()[contains(.,"+g+")]",(e=this.document.evaluate(c,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue)&&(b.setStart(e,a.startOffset),a.collapsed||(h=EPUBJS.core.cleanStringForXpath(a.endContainer.textContent),d="//text()[contains(.,"+h+")]",(f=this.document.evaluate(d,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue)&&b.setEnd(f,a.endOffset))))}else b=a;return this.epubcfi.generateCfiFromRange(b,this.cfiBase)}},EPUBJS.Chapter.prototype.find=function(a){var b=this,c=[],d=a.toLowerCase(),e=function(a){for(var e,f,g,h=a.textContent.toLowerCase(),i=b.document.createRange(),j=-1,k=150;f!=-1;)f=h.indexOf(d,j+1),f!=-1&&(i=b.document.createRange(),i.setStart(a,f),i.setEnd(a,f+d.length),e=b.cfiFromRange(i),a.textContent.length<k?g=a.textContent:(g=a.textContent.substring(f-k/2,f+k/2),g="..."+g+"..."),c.push({cfi:e,excerpt:g})),j=f};return this.textSprint(this.document,function(a){e(a)}),c},EPUBJS.Chapter.prototype.textSprint=function(a,b){for(var c,d=document.createTreeWalker(a,NodeFilter.SHOW_TEXT,{acceptNode:function(a){return a.data&&!/^\s*$/.test(a.data)?NodeFilter.FILTER_ACCEPT:NodeFilter.FILTER_REJECT}},!1);c=d.nextNode();)b(c)},EPUBJS.Chapter.prototype.replace=function(a,b,c,d){var e=this.contents.querySelectorAll(a),f=Array.prototype.slice.call(e),g=f.length;if(0===g)return void c(!1);f.forEach(function(a){var e=!1;b(a,function(a,b){e===!1&&(g--,d&&d(a,b,g),g<=0&&c&&c(!0),e=!0)})}.bind(this))},EPUBJS.Chapter.prototype.replaceWithStored=function(a,b,c,d){var e,f={},g=this.store,h=this.caches[a],i=EPUBJS.core.uri(this.absolute),j=i.base,k=b,l=function(a,b,c){f[b]=a},m=function(a){d&&d(),EPUBJS.core.values(e).forEach(function(a){g.revokeUrl(a)}),h=f};g&&(h||(h={}),e=EPUBJS.core.clone(h),this.replace(a,function(b,d){var h=b.getAttribute(k),i=EPUBJS.core.resolveUrl(j,h),l=function(c){var e;b.onload=function(){clearTimeout(e),d(c,i)},"svg image"==a&&b.setAttribute("externalResourcesRequired","true"),"link[href]"==a&&"stylesheet"!==b.getAttribute("rel")?d(c,i):e=setTimeout(function(){d(c,i)},5),c&&b.setAttribute(k,c)};i in e?(l(e[i]),f[i]=e[i],delete e[i]):c(g,i,l,b)},m,l))};var EPUBJS=EPUBJS||{};EPUBJS.core={};var ELEMENT_NODE=1,TEXT_NODE=3,COMMENT_NODE=8,DOCUMENT_NODE=9;EPUBJS.core.getEl=function(a){return document.getElementById(a)},EPUBJS.core.getEls=function(a){return document.getElementsByClassName(a)},EPUBJS.core.request=function(a,b,c){var d,e=window.URL,f=e?"blob":"arraybuffer",g=new RSVP.defer,h=new XMLHttpRequest,i=XMLHttpRequest.prototype,j=function(){var a;this.readyState==this.DONE&&(200!==this.status&&0!==this.status||!this.response?g.reject({message:this.response,stack:(new Error).stack}):(a="xml"==b?this.responseXML?this.responseXML:(new DOMParser).parseFromString(this.response,"application/xml"):"xhtml"==b?this.responseXML?this.responseXML:(new DOMParser).parseFromString(this.response,"application/xhtml+xml"):"html"==b?this.responseXML?this.responseXML:(new DOMParser).parseFromString(this.response,"text/html"):"json"==b?JSON.parse(this.response):"blob"==b?e?this.response:new Blob([this.response]):this.response,g.resolve(a)))};return"overrideMimeType"in i||Object.defineProperty(i,"overrideMimeType",{value:function(a){}}),h.onreadystatechange=j,h.open("GET",a,!0),c&&(h.withCredentials=!0),b||(d=EPUBJS.core.uri(a),b=d.extension,b={htm:"html"}[b]||b),"blob"==b&&(h.responseType=f),"json"==b&&h.setRequestHeader("Accept","application/json"),"xml"==b&&(h.responseType="document",h.overrideMimeType("text/xml")),"xhtml"==b&&(h.responseType="document"),"html"==b&&(h.responseType="document"),"binary"==b&&(h.responseType="arraybuffer"),h.send(),g.promise},EPUBJS.core.toArray=function(a){var b=[];for(var c in a){var d;a.hasOwnProperty(c)&&(d=a[c],d.ident=c,b.push(d))}return b},EPUBJS.core.uri=function(a){var b,c,d,e={protocol:"",host:"",path:"",origin:"",directory:"",base:"",filename:"",extension:"",fragment:"",href:a},f=a.indexOf("blob:"),g=a.indexOf("://"),h=a.indexOf("?"),i=a.indexOf("#");return 0===f?(e.protocol="blob",e.base=a.indexOf(0,i),e):(i!=-1&&(e.fragment=a.slice(i+1),a=a.slice(0,i)),h!=-1&&(e.search=a.slice(h+1),a=a.slice(0,h),href=e.href),g!=-1?(e.protocol=a.slice(0,g),b=a.slice(g+3),d=b.indexOf("/"),d===-1?(e.host=e.path,e.path=""):(e.host=b.slice(0,d),e.path=b.slice(d)),e.origin=e.protocol+"://"+e.host,e.directory=EPUBJS.core.folder(e.path),e.base=e.origin+e.directory):(e.path=a,e.directory=EPUBJS.core.folder(a),e.base=e.directory),e.filename=a.replace(e.base,""),c=e.filename.lastIndexOf("."),c!=-1&&(e.extension=e.filename.slice(c+1)),e)},EPUBJS.core.folder=function(a){var b=a.lastIndexOf("/");if(b==-1);return a.slice(0,b+1)},EPUBJS.core.dataURLToBlob=function(a){var b,c,d,e,f,g=";base64,";if(a.indexOf(g)==-1)return b=a.split(","),c=b[0].split(":")[1],d=b[1],new Blob([d],{type:c});b=a.split(g),c=b[0].split(":")[1],d=window.atob(b[1]),e=d.length,f=new Uint8Array(e);for(var h=0;h<e;++h)f[h]=d.charCodeAt(h);return new Blob([f],{type:c})},EPUBJS.core.addScript=function(a,b,c){var d,e;e=!1,d=document.createElement("script"),d.type="text/javascript",d.async=!1,d.src=a,d.onload=d.onreadystatechange=function(){e||this.readyState&&"complete"!=this.readyState||(e=!0,b&&b())},c=c||document.body,c.appendChild(d)},EPUBJS.core.addScripts=function(a,b,c){var d=a.length,e=0,f=function(){e++,d==e?b&&b():EPUBJS.core.addScript(a[e],f,c)};EPUBJS.core.addScript(a[e],f,c)},EPUBJS.core.addCss=function(a,b,c){var d,e;e=!1,d=document.createElement("link"),d.type="text/css",d.rel="stylesheet",d.href=a,d.onload=d.onreadystatechange=function(){e||this.readyState&&"complete"!=this.readyState||(e=!0,b&&b())},c=c||document.body,c.appendChild(d)},EPUBJS.core.prefixed=function(a){var b=["Webkit","Moz","O","ms"],c=a[0].toUpperCase()+a.slice(1),d=b.length;if(void 0!==document.documentElement.style[a])return a;for(var e=0;e<d;e++)if(void 0!==document.documentElement.style[b[e]+c])return b[e]+c;return a},EPUBJS.core.resolveUrl=function(a,b){var c,d,e=[],f=EPUBJS.core.uri(b),g=a.split("/");return f.host?b:(g.pop(),d=b.split("/"),d.forEach(function(a){".."===a?g.pop():e.push(a)}),c=g.concat(e),c.join("/"))},EPUBJS.core.uuid=function(){var a=(new Date).getTime();return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(b){var c=(a+16*Math.random())%16|0;return a=Math.floor(a/16),("x"==b?c:7&c|8).toString(16)})},EPUBJS.core.insert=function(a,b,c){var d=EPUBJS.core.locationOf(a,b,c);return b.splice(d,0,a),d},EPUBJS.core.locationOf=function(a,b,c,d,e){var f,g=d||0,h=e||b.length,i=parseInt(g+(h-g)/2);return c||(c=function(a,b){return a>b?1:a<b?-1:(a=b)?0:void 0}),h-g<=0?i:(f=c(b[i],a),h-g==1?f>0?i:i+1:0===f?i:f===-1?EPUBJS.core.locationOf(a,b,c,i,h):EPUBJS.core.locationOf(a,b,c,g,i))},EPUBJS.core.indexOfSorted=function(a,b,c,d,e){var f,g=d||0,h=e||b.length,i=parseInt(g+(h-g)/2);return c||(c=function(a,b){return a>b?1:a<b?-1:(a=b)?0:void 0}),h-g<=0?-1:(f=c(b[i],a),h-g==1?0===f?i:-1:0===f?i:f===-1?EPUBJS.core.indexOfSorted(a,b,c,i,h):EPUBJS.core.indexOfSorted(a,b,c,g,i))},EPUBJS.core.queue=function(a){var b=[],c=a,d=function(a,c,d){return b.push({funcName:a,args:c,context:d}),b},e=function(){var a;b.length&&(a=b.shift(),c[a.funcName].apply(a.context||c,a.args))};return{enqueue:d,dequeue:e,flush:function(){for(;b.length;)e()},clear:function(){b=[]},length:function(){return b.length}}},EPUBJS.core.getElementXPath=function(a){return a&&a.id?'//*[@id="'+a.id+'"]':EPUBJS.core.getElementTreeXPath(a)},EPUBJS.core.getElementTreeXPath=function(a){var b,c,d,e,f=[],g="http://www.w3.org/1999/xhtml"===a.ownerDocument.documentElement.getAttribute("xmlns");for(a.nodeType===Node.TEXT_NODE&&(b=EPUBJS.core.indexOfTextNode(a)+1,f.push("text()["+b+"]"),a=a.parentNode);a&&1==a.nodeType;a=a.parentNode){b=0;for(var h=a.previousSibling;h;h=h.previousSibling)h.nodeType!=Node.DOCUMENT_TYPE_NODE&&h.nodeName==a.nodeName&&++b;c=a.nodeName.toLowerCase(),d=g?"xhtml:"+c:c,e=b?"["+(b+1)+"]":"",f.splice(0,0,d+e)}return f.length?"./"+f.join("/"):null},EPUBJS.core.nsResolver=function(a){return{xhtml:"http://www.w3.org/1999/xhtml",epub:"http://www.idpf.org/2007/ops"}[a]||null},EPUBJS.core.cleanStringForXpath=function(a){var b=a.match(/[^'"]+|['"]/g);return b=b.map(function(a){return"'"===a?'"\'"':'"'===a?"'\"'":"'"+a+"'"}),"concat('',"+b.join(",")+")"},EPUBJS.core.indexOfTextNode=function(a){for(var b,c=a.parentNode,d=c.childNodes,e=-1,f=0;f<d.length&&(b=d[f],b.nodeType===Node.TEXT_NODE&&e++,b!=a);f++);return e},EPUBJS.core.defaults=function(a){for(var b=1,c=arguments.length;b<c;b++){var d=arguments[b];for(var e in d)void 0===a[e]&&(a[e]=d[e])}return a},EPUBJS.core.extend=function(a){return[].slice.call(arguments,1).forEach(function(b){b&&Object.getOwnPropertyNames(b).forEach(function(c){Object.defineProperty(a,c,Object.getOwnPropertyDescriptor(b,c))})}),a},EPUBJS.core.clone=function(a){return EPUBJS.core.isArray(a)?a.slice():EPUBJS.core.extend({},a)},EPUBJS.core.isElement=function(a){return!(!a||1!=a.nodeType)},EPUBJS.core.isNumber=function(a){return!isNaN(parseFloat(a))&&isFinite(a)},EPUBJS.core.isString=function(a){return"string"==typeof a||a instanceof String},EPUBJS.core.isArray=Array.isArray||function(a){return"[object Array]"===Object.prototype.toString.call(a)},EPUBJS.core.values=function(a){var b,c,d,e=-1;if(!a)return[];for(b=Object.keys(a),c=b.length,d=Array(c);++e<c;)d[e]=a[b[e]];return d},EPUBJS.core.indexOfNode=function(a,b){for(var c,d=a.parentNode,e=d.childNodes,f=-1,g=0;g<e.length&&(c=e[g],c.nodeType===b&&f++,c!=a);g++);return f},EPUBJS.core.indexOfTextNode=function(a){return EPUBJS.core.indexOfNode(a,TEXT_NODE)},EPUBJS.core.indexOfElementNode=function(a){return EPUBJS.core.indexOfNode(a,ELEMENT_NODE)},EPUBJS.EpubCFI=function(a){if(a)return this.parse(a)},EPUBJS.EpubCFI.prototype.generateChapterComponent=function(a,b,c){var d=parseInt(b),e=2*(a+1),f="/"+e+"/";return f+=2*(d+1),c&&(f+="["+c+"]"),f},EPUBJS.EpubCFI.prototype.generatePathComponent=function(a){return a.map(function(a){return 2*(a.index+1)+(a.id?"["+a.id+"]":"")}).join("/")},EPUBJS.EpubCFI.prototype.generateCfiFromElement=function(a,b){var c=this.pathTo(a),d=this.generatePathComponent(c);return d.length?"epubcfi("+b+"!/"+d+"/1:0)":"epubcfi("+b+"!/4/)"},EPUBJS.EpubCFI.prototype.pathTo=function(a){for(var b,c=[];a&&null!==a.parentNode&&9!=a.parentNode.nodeType;)b=a.parentNode.children,c.unshift({id:a.id,tagName:a.tagName,index:b?Array.prototype.indexOf.call(b,a):0}),a=a.parentNode;return c},EPUBJS.EpubCFI.prototype.getChapterComponent=function(a){return a.split("!")[0]},EPUBJS.EpubCFI.prototype.getPathComponent=function(a){var b=a.split("!");return(b[1]?b[1].split(":"):"")[0]},EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent=EPUBJS.EpubCFI.prototype.getCharacterOffsetComponent=function(a){return a.split(":")[1]||""},EPUBJS.EpubCFI.prototype.parse=function(a){var b,c,d,e,f,g,h,i,j,k={},l=function(a){var b,c,d,e;return b="element",c=parseInt(a)/2-1,d=a.match(/\[(.*)\]/),d&&d[1]&&(e=d[1]),{type:b,index:c,id:e||!1}};return"string"!=typeof a?{spinePos:-1}:(k.str=a,0===a.indexOf("epubcfi(")&&")"===a[a.length-1]&&(a=a.slice(8,a.length-1)),c=this.getChapterComponent(a),d=this.getPathComponent(a)||"",e=this.getCharacterOffsetComponent(a),c&&(b=c.split("/")[2]||"")?(k.spinePos=parseInt(b)/2-1||0,g=b.match(/\[(.*)\]/),k.spineId=!!g&&g[1],d.indexOf(",")!=-1&&console.warn("CFI Ranges are not supported"),h=d.split("/"),i=h.pop(),k.steps=[],h.forEach(function(a){var b;a&&(b=l(a),k.steps.push(b))}),j=parseInt(i),isNaN(j)||(j%2==0?k.steps.push(l(i)):k.steps.push({type:"text",index:(j-1)/2})),f=e.match(/\[(.*)\]/),f&&f[1]?(k.characterOffset=parseInt(e.split("[")[0]),k.textLocationAssertion=f[1]):k.characterOffset=parseInt(e),k):{spinePos:-1})},EPUBJS.EpubCFI.prototype.ad