@readium/shared/dist/index.umd.cjs

Shared models to be used across other Readium projects and implementations in Typescript

(function(l,D){typeof exports=="object"&&typeof module<"u"?D(exports):typeof define=="function"&&define.amd?define(["exports"],D):(l=typeof globalThis<"u"?globalThis:l||self,D(l.shared={}))})(this,function(l){"use strict";class D{close(){}links(){return[]}get(t){throw Error("This is an empty fetcher")}}class Ne{constructor(t,e){this.client=t||window.fetch.bind(window),this.baseUrl=e}links(){return[]}get(t){const e=t.toURL(this.baseUrl);if(e===void 0)throw Error(`Invalid HREF: ${t.href}`);return new Ft(this.client,t,e)}close(){}}class Ft{constructor(t,e,r){this.client=t||window.fetch.bind(window),this._link=e,this.url=r}async headResponse(){if(this._headResponse)return this._headResponse;const t=await this.client(this.url,{method:"HEAD"});if(!t.ok)throw new Error(`http HEAD request for ${this.url} failed with HTTP status code ${t.status}`);return this._headResponse=t,t}close(){}async link(){return this._link}async read(t){if(t)throw new Error("http read range not implemented!");const e=await this.client(this.url);if(!e.ok)throw new Error(`http GET request for ${this.url} failed with HTTP status code ${e.status}`);return new Uint8Array(await e.arrayBuffer())}async length(){const e=(await this.headResponse()).headers.get("content-length");if(e===null||e==="")throw new Error("length for resource unavailable");return parseInt(e)}async readAsJSON(){const t=await this.client(this.url);if(!t.ok)throw new Error(`http GET request for ${this.url} failed with HTTP status code ${t.status}`);return await t.json()}async readAsString(){const t=await this.client(this.url);if(!t.ok)throw new Error(`http GET request for ${this.url} failed with HTTP status code ${t.status}`);return await t.text()}async readAsXML(){const t=await this.client(this.url);if(!t.ok)throw new Error(`http GET request for ${this.url} failed with HTTP status code ${t.status}`);return new DOMParser().parseFromString(await t.text(),"application/xml")}}class Ce{constructor(t,e){this.start=t,this.endInclusive=e}}class Pe{readAsString(){return this.read().then(t=>t===void 0?t:new TextDecoder().decode(t))}readAsJSON(){return this.readAsString().then(t=>t===void 0?t:JSON.parse(t))}readAsXML(){return this.readAsString().then(t=>t===void 0?t:new DOMParser().parseFromString(t,"text/xml"))}}class it{constructor(t){this.algorithm=t.algorithm,this.compression=t.compression,this.originalLength=t.originalLength,this.profile=t.profile,this.scheme=t.scheme}static deserialize(t){if(t&&t.algorithm)return new it({algorithm:t.algorithm,compression:t.compression,originalLength:t.originalLength,profile:t.profile,scheme:t.scheme})}serialize(){const t={algorithm:this.algorithm};return this.compression!==void 0&&(t.compression=this.compression),this.originalLength!==void 0&&(t.originalLength=this.originalLength),this.profile!==void 0&&(t.profile=this.profile),this.scheme!==void 0&&(t.scheme=this.scheme),t}}var rt=(i=>(i.left="left",i.right="right",i.center="center",i))(rt||{});class x{constructor(t){this.otherProperties=t}get page(){return this.otherProperties.page}static deserialize(t){if(t)return new x(t)}serialize(){return this.otherProperties}add(t){const e=Object.assign({},this.otherProperties);for(const r in t)e[r]=t[r];return new x(e)}}Object.defineProperty(x.prototype,"encryption",{get:function(){return it.deserialize(this.otherProperties.encrypted)}});class nt{constructor(t){this.activeClass=t.activeClass,this.playbackActiveClass=t.playbackActiveClass}static deserialize(t){if(t)return new nt({activeClass:t.activeClass,playbackActiveClass:t.playbackActiveClass})}serialize(){const t={};return this.activeClass&&(t.activeClass=this.activeClass),this.playbackActiveClass&&(t.playbackActiveClass=this.playbackActiveClass),t}}function Wt(i){return i&&i instanceof Array?i:void 0}function N(i){return i&&typeof i=="string"?[i]:Wt(i)}function H(i){return typeof i=="string"?new Date(i):void 0}function R(i){return isNaN(i)?void 0:i}function b(i){return R(i)!==void 0&&Math.sign(i)>=0?i:void 0}function V(i){const t=new Array;return i.forEach(e=>t.push(e)),t}class L{constructor(t){this.value=t.value,this.scheme=t.scheme}static deserialize(t){if(t){if(typeof t=="string")return new L({value:t});if(typeof t=="object"&&t.value)return new L({value:t.value,scheme:t.scheme})}}serialize(){return this.scheme?{value:this.value,scheme:this.scheme}:this.value}}class a{constructor(t){let e,r,n=t.mediaType.replace(/\s/g,"").split(";");const s=n[0].split("/");if(s.length===2){if(e=s[0].toLowerCase().trim(),r=s[1].toLowerCase().trim(),e.length===0||r.length===0)throw new Error("Invalid media type")}else throw new Error("Invalid media type");const o={};for(let d=1;d<n.length;d++){const g=n[d].split("=");if(g.length===2){const v=g[0].toLocaleLowerCase(),et=v==="charset"?g[1].toUpperCase():g[1];o[v]=et}}const c={},h=Object.keys(o);h.sort((d,g)=>d.localeCompare(g)),h.forEach(d=>c[d]=o[d]);let u="";for(const d in c){const g=c[d];u+=`;${d}=${g}`}const f=`${e}/${r}${u}`,p=c.encoding;this.string=f,this.type=e,this.subtype=r,this.parameters=c,this.encoding=p,this.name=t.name,this.fileExtension=t.fileExtension}static parse(t){return new a(t)}get structuredSyntaxSuffix(){const t=this.subtype.split("+");return t.length>1?`+${t[t.length-1]}`:void 0}get charset(){return this.parameters.charset}contains(t){const e=typeof t=="string"?a.parse({mediaType:t}):t;if(!((this.type==="*"||this.type===e.type)&&(this.subtype==="*"||this.subtype===e.subtype)))return!1;const r=new Set(Object.entries(this.parameters).map(([s,o])=>`${s}=${o}`)),n=new Set(Object.entries(e.parameters).map(([s,o])=>`${s}=${o}`));for(const s of Array.from(r.values()))if(!n.has(s))return!1;return!0}matches(t){const e=typeof t=="string"?a.parse({mediaType:t}):t;return this.contains(e)||e.contains(this)}matchesAny(...t){for(const e of t)if(this.matches(e))return!0;return!1}equals(t){return this.string===t.string}get isZIP(){return this.matchesAny(a.ZIP,a.LCP_PROTECTED_AUDIOBOOK,a.LCP_PROTECTED_PDF)||this.structuredSyntaxSuffix==="+zip"}get isJSON(){return this.matchesAny(a.JSON)||this.structuredSyntaxSuffix==="+json"}get isOPDS(){return this.matchesAny(a.OPDS1,a.OPDS1_ENTRY,a.OPDS2,a.OPDS2_PUBLICATION,a.OPDS_AUTHENTICATION)||this.structuredSyntaxSuffix==="+json"}get isHTML(){return this.matchesAny(a.HTML,a.XHTML)}get isBitmap(){return this.matchesAny(a.BMP,a.GIF,a.JPEG,a.PNG,a.TIFF,a.WEBP)}get isAudio(){return this.type==="audio"}get isVideo(){return this.type==="video"}get isRWPM(){return this.matchesAny(a.READIUM_AUDIOBOOK_MANIFEST,a.DIVINA_MANIFEST,a.READIUM_WEBPUB_MANIFEST)}get isPublication(){return this.matchesAny(a.READIUM_AUDIOBOOK,a.READIUM_AUDIOBOOK_MANIFEST,a.CBZ,a.DIVINA,a.DIVINA_MANIFEST,a.EPUB,a.LCP_PROTECTED_AUDIOBOOK,a.LCP_PROTECTED_PDF,a.LPF,a.PDF,a.W3C_WPUB_MANIFEST,a.READIUM_WEBPUB,a.READIUM_WEBPUB_MANIFEST,a.ZAB)}static get AAC(){return a.parse({mediaType:"audio/aac",fileExtension:"aac"})}static get ACSM(){return a.parse({mediaType:"application/vnd.adobe.adept+xml",name:"Adobe Content Server Message",fileExtension:"acsm"})}static get AIFF(){return a.parse({mediaType:"audio/aiff",fileExtension:"aiff"})}static get AVI(){return a.parse({mediaType:"video/x-msvideo",fileExtension:"avi"})}static get BINARY(){return a.parse({mediaType:"application/octet-stream"})}static get BMP(){return a.parse({mediaType:"image/bmp",fileExtension:"bmp"})}static get CBZ(){return a.parse({mediaType:"application/vnd.comicbook+zip",name:"Comic Book Archive",fileExtension:"cbz"})}static get CSS(){return a.parse({mediaType:"text/css",fileExtension:"css"})}static get DIVINA(){return a.parse({mediaType:"application/divina+zip",name:"Digital Visual Narratives",fileExtension:"divina"})}static get DIVINA_MANIFEST(){return a.parse({mediaType:"application/divina+json",name:"Digital Visual Narratives",fileExtension:"json"})}static get EPUB(){return a.parse({mediaType:"application/epub+zip",name:"EPUB",fileExtension:"epub"})}static get GIF(){return a.parse({mediaType:"image/gif",fileExtension:"gif"})}static get GZ(){return a.parse({mediaType:"application/gzip",fileExtension:"gz"})}static get HTML(){return a.parse({mediaType:"text/html",fileExtension:"html"})}static get JAVASCRIPT(){return a.parse({mediaType:"text/javascript",fileExtension:"js"})}static get JPEG(){return a.parse({mediaType:"image/jpeg",fileExtension:"jpeg"})}static get JSON(){return a.parse({mediaType:"application/json"})}static get LCP_LICENSE_DOCUMENT(){return a.parse({mediaType:"application/vnd.readium.lcp.license.v1.0+json",name:"LCP License",fileExtension:"lcpl"})}static get LCP_PROTECTED_AUDIOBOOK(){return a.parse({mediaType:"application/audiobook+lcp",name:"LCP Protected Audiobook",fileExtension:"lcpa"})}static get LCP_PROTECTED_PDF(){return a.parse({mediaType:"application/pdf+lcp",name:"LCP Protected PDF",fileExtension:"lcpdf"})}static get LCP_STATUS_DOCUMENT(){return a.parse({mediaType:"application/vnd.readium.license.status.v1.0+json"})}static get LPF(){return a.parse({mediaType:"application/lpf+zip",fileExtension:"lpf"})}static get MP3(){return a.parse({mediaType:"audio/mpeg",fileExtension:"mp3"})}static get MPEG(){return a.parse({mediaType:"video/mpeg",fileExtension:"mpeg"})}static get NCX(){return a.parse({mediaType:"application/x-dtbncx+xml",fileExtension:"ncx"})}static get OGG(){return a.parse({mediaType:"audio/ogg",fileExtension:"oga"})}static get OGV(){return a.parse({mediaType:"video/ogg",fileExtension:"ogv"})}static get OPDS1(){return a.parse({mediaType:"application/atom+xml;profile=opds-catalog"})}static get OPDS1_ENTRY(){return a.parse({mediaType:"application/atom+xml;type=entry;profile=opds-catalog"})}static get OPDS2(){return a.parse({mediaType:"application/opds+json"})}static get OPDS2_PUBLICATION(){return a.parse({mediaType:"application/opds-publication+json"})}static get OPDS_AUTHENTICATION(){return a.parse({mediaType:"application/opds-authentication+json"})}static get OPUS(){return a.parse({mediaType:"audio/opus",fileExtension:"opus"})}static get OTF(){return a.parse({mediaType:"font/otf",fileExtension:"otf"})}static get PDF(){return a.parse({mediaType:"application/pdf",name:"PDF",fileExtension:"pdf"})}static get PNG(){return a.parse({mediaType:"image/png",fileExtension:"png"})}static get READIUM_AUDIOBOOK(){return a.parse({mediaType:"application/audiobook+zip",name:"Readium Audiobook",fileExtension:"audiobook"})}static get READIUM_AUDIOBOOK_MANIFEST(){return a.parse({mediaType:"application/audiobook+json",name:"Readium Audiobook",fileExtension:"json"})}static get READIUM_CONTENT_DOCUMENT(){return a.parse({mediaType:"application/vnd.readium.content+json",name:"Readium Content Document",fileExtension:"json"})}static get READIUM_GUIDED_NAVIGATION_DOCUMENT(){return a.parse({mediaType:"application/guided-navigation+json",name:"Readium Guided Navigation Document",fileExtension:"json"})}static get READIUM_POSITION_LIST(){return a.parse({mediaType:"application/vnd.readium.position-list+json",name:"Readium Position List",fileExtension:"json"})}static get READIUM_WEBPUB(){return a.parse({mediaType:"application/webpub+zip",name:"Readium Web Publication",fileExtension:"webpub"})}static get READIUM_WEBPUB_MANIFEST(){return a.parse({mediaType:"application/webpub+json",name:"Readium Web Publication",fileExtension:"json"})}static get SMIL(){return a.parse({mediaType:"application/smil+xml",fileExtension:"smil"})}static get SVG(){return a.parse({mediaType:"image/svg+xml",fileExtension:"svg"})}static get TEXT(){return a.parse({mediaType:"text/plain",fileExtension:"txt"})}static get TIFF(){return a.parse({mediaType:"image/tiff",fileExtension:"tiff"})}static get TTF(){return a.parse({mediaType:"font/ttf",fileExtension:"ttf"})}static get W3C_WPUB_MANIFEST(){return a.parse({mediaType:"application/x.readium.w3c.wpub+json",name:"Web Publication",fileExtension:"json"})}static get WAV(){return a.parse({mediaType:"audio/wav",fileExtension:"wav"})}static get WEBM_AUDIO(){return a.parse({mediaType:"audio/webm",fileExtension:"webm"})}static get WEBM_VIDEO(){return a.parse({mediaType:"video/webm",fileExtension:"webm"})}static get WEBP(){return a.parse({mediaType:"image/webp",fileExtension:"webp"})}static get WOFF(){return a.parse({mediaType:"font/woff",fileExtension:"woff"})}static get WOFF2(){return a.parse({mediaType:"font/woff2",fileExtension:"woff2"})}static get XHTML(){return a.parse({mediaType:"application/xhtml+xml",fileExtension:"xhtml"})}static get XML(){return a.parse({mediaType:"application/xml",fileExtension:"xml"})}static get ZAB(){return a.parse({mediaType:"application/x.readium.zab+zip",name:"Zipped Audio Book",fileExtension:"zab"})}static get ZIP(){return a.parse({mediaType:"application/zip",fileExtension:"zip"})}}class J{constructor(t){this.uri=t,this.parameters=this.getParameters(t)}getParameters(t){const e=/\{\??([^}]+)\}/g,r=t.match(e);return r?new Set(r.join(",").replace(e,"$1").split(",").map(n=>n.trim())):new Set}expand(t){const e=n=>n.split(",").map(s=>{const o=t[s];return o?encodeURIComponent(o):""}).join(","),r=n=>"?"+n.split(",").map(s=>{const o=s.split("=")[0],c=t[o];return c?`${o}=${encodeURIComponent(c)}`:""}).join("&");return this.uri.replace(/\{(\??)([^}]+)\}/g,(...n)=>n[1]?r(n[2]):e(n[2]))}}class E{constructor(t){this.fragments=t.fragments?t.fragments:new Array,this.progression=t.progression,this.totalProgression=t.totalProgression,this.position=t.position,this.otherLocations=t.otherLocations}static deserialize(t){if(!t)return;const e=R(t.progression),r=R(t.totalProgression),n=R(t.position),s=new Map,o=new Set(["fragment","fragments","progression","totalProgression","position"]);return Object.entries(t).forEach(([c,h])=>{o.has(c)||s.set(c,h)}),new E({fragments:N(t.fragments||t.fragment),progression:e!==void 0&&e>=0&&e<=1?e:void 0,totalProgression:r!==void 0&&r>=0&&r<=1?r:void 0,position:n!==void 0&&n>0?n:void 0,otherLocations:s.size===0?void 0:s})}serialize(){const t={};return this.fragments&&(t.fragments=this.fragments),this.progression!==void 0&&(t.progression=this.progression),this.totalProgression!==void 0&&(t.totalProgression=this.totalProgression),this.position!==void 0&&(t.position=this.position),this.otherLocations&&this.otherLocations.forEach((e,r)=>t[r]=e),t}}class U{constructor(t){this.after=t.after,this.before=t.before,this.highlight=t.highlight}static deserialize(t){if(t)return new U({after:t.after,before:t.before,highlight:t.highlight})}serialize(){const t={};return this.after!==void 0&&(t.after=this.after),this.before!==void 0&&(t.before=this.before),this.highlight!==void 0&&(t.highlight=this.highlight),t}}class S{constructor(t){this.href=t.href,this.type=t.type,this.title=t.title,this.locations=t.locations?t.locations:new E({}),this.text=t.text}static deserialize(t){if(t&&t.href&&t.type)return new S({href:t.href,type:t.type,title:t.title,locations:E.deserialize(t.locations),text:U.deserialize(t.text)})}serialize(){const t={href:this.href,type:this.type};return this.title!==void 0&&(t.title=this.title),this.locations&&(t.locations=this.locations.serialize()),this.text&&(t.text=this.text.serialize()),t}copyWithLocations(t){return new S({href:this.href,type:this.type,title:this.title,text:this.text,locations:new E({...this.locations,...t})})}}class I{constructor(t){this.href=t.href,this.templated=t.templated,this.type=t.type,this.title=t.title,this.rels=t.rels,this.properties=t.properties,this.height=t.height,this.width=t.width,this.size=t.size,this.duration=t.duration,this.bitrate=t.bitrate,this.languages=t.languages,this.alternates=t.alternates,this.children=t.children}static deserialize(t){if(!(!t||typeof t.href!="string"))return new I({href:t.href,templated:t.templated,type:t.type,title:t.title,rels:t.rel?t.rel instanceof Array?new Set(t.rel):new Set([t.rel]):void 0,properties:x.deserialize(t.properties),height:b(t.height),width:b(t.width),size:b(t.size),duration:b(t.duration),bitrate:b(t.bitrate),languages:N(t.language),alternates:y.deserialize(t.alternate),children:y.deserialize(t.children)})}serialize(){const t={href:this.href};return this.templated!==void 0&&(t.templated=this.templated),this.type!==void 0&&(t.type=this.type),this.title!==void 0&&(t.title=this.title),this.rels&&(t.rel=V(this.rels)),this.properties&&(t.properties=this.properties.serialize()),this.height!==void 0&&(t.height=this.height),this.width!==void 0&&(t.width=this.width),this.size!==void 0&&(t.size=this.size),this.duration!==void 0&&(t.duration=this.duration),this.bitrate!==void 0&&(t.bitrate=this.bitrate),this.languages&&(t.language=this.languages),this.alternates&&(t.alternate=this.alternates.serialize()),this.children&&(t.children=this.children.serialize()),t}get mediaType(){return this.type!==void 0?a.parse({mediaType:this.type}):a.BINARY}toURL(t){const e=this.href.replace(/^(\/)/,"");if(e.length===0)return;let r=t||"/";return r.startsWith("/")&&(r="file://"+r),new URL(e,r).href.replace(/^(file:\/\/)/,"")}get templateParameters(){return this.templated?new J(this.href).parameters:new Set}expandTemplate(t){return new I({href:new J(this.href).expand(t),templated:!1})}addProperties(t){var r;const e=I.deserialize(this.serialize());return e.properties=e.properties?(r=e.properties)==null?void 0:r.add(t):new x(t),e}get locator(){let t=this.href.split("#");return new S({href:t.length>0&&t[0]!==void 0?t[0]:this.href,type:this.type??"",title:this.title,locations:new E({fragments:t.length>1&&t[1]!==void 0?[t[1]]:[]})})}}class y{constructor(t){this.items=t}static deserialize(t){if(t&&t instanceof Array)return new y(t.map(e=>I.deserialize(e)).filter(e=>e!==void 0))}serialize(){return this.items.map(t=>t.serialize())}findWithRel(t){const e=r=>r.rels&&r.rels.has(t);return this.items.find(e)}filterByRel(t){const e=r=>r.rels&&r.rels.has(t);return this.items.filter(e)}findWithHref(t){const e=r=>r.href===t;return this.items.find(e)}findIndexWithHref(t){const e=r=>r.href===t;return this.items.findIndex(e)}findWithMediaType(t){const e=r=>r.mediaType.matches(t);return this.items.find(e)}filterByMediaType(t){const e=r=>r.mediaType.matches(t);return this.items.filter(e)}filterByMediaTypes(t){const e=r=>{for(const n of t)if(r.mediaType.matches(n))return!0;return!1};return this.items.filter(e)}everyIsAudio(){const t=e=>e.mediaType.isAudio;return this.items.length>0&&this.items.every(t)}everyIsBitmap(){const t=e=>e.mediaType.isBitmap;return this.items.length>0&&this.items.every(t)}everyIsHTML(){const t=e=>e.mediaType.isHTML;return this.items.length>0&&this.items.every(t)}everyIsVideo(){const t=e=>e.mediaType.isVideo;return this.items.length>0&&this.items.every(t)}everyMatchesMediaType(t){return Array.isArray(t)?this.items.length>0&&this.items.every(e=>{for(const r of t)return e.mediaType.matches(r);return!1}):this.items.length>0&&this.items.every(e=>e.mediaType.matches(t))}filterLinksHasType(){return this.items.filter(t=>t.type)}}const At=class G{constructor(t){this.translations=typeof t=="string"?{[G.UNDEFINED_LANGUAGE]:t}:t}static deserialize(t){if(t&&(typeof t=="string"||t.constructor===Object))return new G(t)}serialize(){return this.translations}getTranslation(t){return this.translations[t||G.UNDEFINED_LANGUAGE]||this.translations[G.UNDEFINED_LANGUAGE]||this.translations[G.LANGUAGE_EN]||(Object.values(this.translations).length===0?"":Object.values(this.translations)[0])}};At.UNDEFINED_LANGUAGE="undefined",At.LANGUAGE_EN="en";let z=At;class K{constructor(t){this.name=t.name,this.sortAs=t.sortAs,this.identifier=t.identifier,this.altIdentifiers=t.altIdentifiers,this.roles=t.roles,this.links=t.links,this.position=t.position}static deserialize(t){if(t)return typeof t=="string"?new K({name:z.deserialize(t)}):t.name?new K({name:z.deserialize(t.name),sortAs:t.sortAs,identifier:t.identifier,altIdentifiers:t.altIdentifier?t.altIdentifier instanceof Array?new Set(t.altIdentifier.map(e=>L.deserialize(e)).filter(e=>e!==void 0)):new Set([L.deserialize(t.altIdentifier)].filter(e=>e!==void 0)):void 0,roles:t.role?new Set(N(t.role)):void 0,links:y.deserialize(t.links),position:R(t.position)}):void 0}serialize(){const t={name:this.name.serialize()};return this.sortAs!==void 0&&(t.sortAs=this.sortAs),this.identifier!==void 0&&(t.identifier=this.identifier),this.altIdentifiers&&(t.altIdentifier=V(this.altIdentifiers).map(e=>e.serialize())),this.roles&&(t.role=V(this.roles)),this.links&&(t.links=this.links.serialize()),this.position!==void 0&&(t.position=this.position),t}}class w{constructor(t){this.items=t}static deserialize(t){if(!t)return;const e=t instanceof Array?t:[t];return new w(e.map(r=>K.deserialize(r)).filter(r=>r!==void 0))}serialize(){return this.items.map(t=>t.serialize())}}class B{constructor(t){this.items=t&&t.items?t.items:new Map}static deserialize(t){if(!(t&&t instanceof Object))return;const e=new Map;return Object.entries(t).forEach(([r,n])=>{const s=w.deserialize(n);s&&s.items.length>0&&e.set(r,s)}),new B({items:e})}serialize(){const t={};return this.items.forEach((e,r)=>t[r]=e.serialize()),t}}var F=(i=>(i.reflowable="reflowable",i.fixed="fixed",i.scrolled="scrolled",i))(F||{}),W=(i=>(i.EPUB="https://readium.org/webpub-manifest/profiles/epub",i.AUDIOBOOK="https://readium.org/webpub-manifest/profiles/audiobook",i.DIVINA="https://readium.org/webpub-manifest/profiles/divina",i.PDF="https://readium.org/webpub-manifest/profiles/pdf",i))(W||{}),C=(i=>(i.ltr="ltr",i.rtl="rtl",i))(C||{});function 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i=this.fragments.find(t=>t.length&&!t.includes("="));if(!i){const t=this.fragmentParameters();t.has("id")?i=t.get("id"):t.has("name")&&(i=t.get("name"))}return i!=null&&i.startsWith("#")?i.slice(1):i},E.prototype.page=function(){const i=parseInt(this.fragmentParameters().get("page"));if(!isNaN(i)&&i>=0)return i},E.prototype.time=function(){const i=parseInt(this.fragmentParameters().get("t"));if(!isNaN(i))return i},E.prototype.space=function(){const i=this.fragmentParameters();if(!i.has("xywh"))return;const t=i.get("xywh").split(",").map(e=>parseInt(e));if(t.length===4&&!t.some(isNaN))return t};class ct{constructor(t){this.currency=t.currency,this.value=t.value}static deserialize(t){if(!t)return;let e=t.currency;if(!(e&&typeof e=="string"&&e.length>0))return;let r=b(t.value);if(r!==void 0)return new ct({currency:e,value:r})}serialize(){return{currency:this.currency,value:this.value}}}class M{constructor(t){this.type=t.type,this.children=t.children}static deserialize(t){if(t&&t.type)return new M({type:t.type,children:M.deserializeArray(t.children)})}static deserializeArray(t){if(t instanceof Array)return t.map(e=>M.deserialize(e)).filter(e=>e!==void 0)}serialize(){const t={type:this.type};return this.children&&(t.children=this.children.map(e=>e.serialize())),t}}class ht{constructor(t){this.total=t.total,this.position=t.position}static deserialize(t){if(t)return new ht({total:b(t.total),position:b(t.position)})}serialize(){const t={};return this.total!==void 0&&(t.total=this.total),this.position!==void 0&&(t.position=this.position),t}}class ut{constructor(t){this.total=t.total,this.available=t.available}static deserialize(t){if(t)return new ut({total:b(t.total),available:b(t.available)})}serialize(){const t={};return this.total!==void 0&&(t.total=this.total),this.available!==void 0&&(t.available=this.available),t}}var Zt=(i=>(i.available="available",i.reserved="reserved",i.ready="ready",i))(Zt||{});class ft{constructor(t){this.state=t.state,this.since=t.since,this.until=t.until}static deserialize(t){if(t&&t.state)return new ft({state:t.state,since:H(t.since),until:H(t.until)})}serialize(){const t={state:this.state};return this.since!==void 0&&(t.since=this.since.toISOString()),this.until!==void 0&&(t.until=this.until.toISOString()),t}}x.prototype.getNumberOfItems=function(){return b(this.otherProperties.numberOfItems)},x.prototype.getPrice=function(){return ct.deserialize(this.otherProperties.price)},x.prototype.getIndirectAcquisitions=function(){const i=this.otherProperties.indirectAcquisition;if(i&&i instanceof Array)return i.map(t=>M.deserialize(t)).filter(t=>t!==void 0)},x.prototype.getHolds=function(){return ht.deserialize(this.otherProperties.holds)},x.prototype.getCopies=function(){return ut.deserialize(this.otherProperties.copies)},x.prototype.getAvailability=function(){return ft.deserialize(this.otherProperties.availability)},x.prototype.getAuthenticate=function(){return I.deserialize(this.otherProperties.authenticate)},P.prototype.getImages=function(){return this.linksWithRole("images")};class je{text(t=`
`){return this.elements().map(e=>e==null?void 0:e.text).filter(e=>e!==void 0&&e.length>0).join(t)}elements(){const t=[],e=this.iterator();for(;e.hasNext();)t.push(e.next());return t}}class vt{constructor(t,e){this.key=t,this.value=e}}var dt=(i=>(i.ACCESSIBILITY_LABEL="accessibilityLabel",i.LANGUAGE="language",i))(dt||{});class zt{constructor(t=[]){this._attributes=t}get language(){return this.attribute("language")}get accessibilityLabel(){return this.attribute("accessibilityLabel")}attribute(t){var e;return(e=this._attributes.find(r=>r.key===t))==null?void 0:e.value}attributes(t){return this._attributes.filter(e=>e.key===t).map(e=>e.value)}}class Ot extends zt{constructor(t,e=[]){super(e),this.locator=t}}class Q extends Ot{get text(){return this.accessibilityLabel}}class Xt extends Q{constructor(t,e,r=[]){super(t,r),this.embeddedLink=e}}class Qt extends Q{constructor(t,e,r=[]){super(t,r),this.embeddedLink=e}}class _t extends Q{constructor(t,e,r,n=[]){super(t,n),this.embeddedLink=e,this.caption=r}get text(){var t;return(((t=this.caption)==null?void 0:t.length)||0)>0?this.caption:super.text}}class Nt extends zt{constructor(t,e,r=[]){super(r),this.locator=t,this.text=e}}class pt extends Q{constructor(t,e,r,n=[]){super(t,n),this.role=e,this.segments=r}get text(){return this.segments.map(t=>t.text).join("")}}class jt{constructor(t){this.level=t}get role(){return`heading-${this.level}`}}const te={role:"body"},ee={role:"footnote"};class ie{constructor(t,e){this.referenceUrl=t,this.referenceTitle=e,this.role="quote"}}class ti{constructor(t,e,r=50,n=s=>Kt(s,e)){this.defaultLanguage=t,this.contextSnippetLength=r,this.textTokenizerFactory=n}tokenize(t){return t instanceof pt?[new pt(t.locator,t.role,t.segments.map(e=>this.tokenizeSegment(e)).flat())]:[t]}tokenizeSegment(t){return this.textTokenizerFactory(t.language??this.defaultLanguage).tokenize(t.text).map(e=>new Nt(new S({href:t.locator.href,type:t.locator.type,title:t.locator.title,locations:t.locator.locations,text:this.extractTextContextIn(t.text,e)}),t.text.substring(e[0],e[1]),t._attributes))}extractTextContextIn(t,e){const r=t.substring(e[1],e[1]+this.contextSnippetLength),n=t.substring(e[0]-this.contextSnippetLength,e[0]);return new U({after:r.length>0?r:void 0,before:n.length>0?n:void 0,highlight:t.substring(e[0],e[1])})}}class $ extends Error{constructor(t){super(t)}}class gt{async nextOrNull(){return await this.hasNext()?this.next():null}async previousOrNull(){return await this.hasPrevious()?this.previous():null}}let ei=class{constructor(t,e){this.element=t,this.direction=e}};class ii extends gt{constructor(t,e,r){super(),this.publication=t,this.startLocator=e,this.resourceContentIteratorFactories=r,this._currentIterator=null,this.currentElement=null}async hasPrevious(){return this.currentElement=await this.nextIn(-1),this.currentElement!==null}previous(){var t;if(((t=this.currentElement)==null?void 0:t.direction)!==-1)throw new $("Called previous() without a successful call to hasPrevious() first");return this.currentElement.element}async hasNext(){return this.currentElement=await this.nextIn(1),this.currentElement!==null}next(){var t;if(((t=this.currentElement)==null?void 0:t.direction)!==1)throw new $("Called next() without a successful call to hasNext() first");return this.currentElement.element}async nextIn(t){const e=this.currentIterator;if(!e)return null;const r=await e.nextContentIn(t);if(!r){const n=this.nextIteratorIn(t,e.index);return n?(this._currentIterator=n,this.nextIn(t)):null}return new ei(r,t)}get currentIterator(){return this._currentIterator||(this._currentIterator=this.initialIterator()),this._currentIterator}initialIterator(){const t=this.startLocator?this.publication.readingOrder.findIndexWithHref(this.startLocator.href):0,e=this.startLocator||0;return this.loadIteratorAt(t,e)??this.nextIteratorIn(1,t)}nextIteratorIn(t,e){const r=e+t;if(r<0||r>=this.publication.manifest.readingOrder.items.length)return null;const n=t===1?0:1;return this.loadIteratorAt(r,n)??this.nextIteratorIn(t,r)}loadIteratorAt(t,e){var o;const r=this.publication.readingOrder.items[t],n=typeof e=="number"?(o=this.publication.manifest.locatorFromLink(r))==null?void 0:o.copyWithLocations({progression:e}):e;if(!n)return null;const s=this.publication.get(r);for(const c of this.resourceContentIteratorFactories)c(s,n);return null}}class mt extends Ot{constructor(t,e,r=[]){super(t,r),this.element=e}get text(){return this.element.text}}class re{constructor(t,e){this.element=t,this.direction=e}}class ri extends gt{constructor(t,e){var n,s;super(),this.pageContent=t,this.startLocator=e,this.pageContentFiltered=[],this.currentElement=null,this.currentProgression=0,this.currentElementIndex=0;const r=this.pageContent.filter(o=>(o==null?void 0:o.str)!==" "&&(o==null?void 0:o.str)!=="");if(this.pageContentFiltered=r.map(o=>new mt(o.locator,{index:r.indexOf(o),text:o.str,readingDirection:o.dir})),this.startLocator&&(this.currentProgression=((s=(n=this.startLocator)==null?void 0:n.locations)==null?void 0:s.progression)|