@epubkit/epub-gen-memory/dist/bundle.min.js

A library to generate EPUB from HTML

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).epubGen=e()}}((function(){return function e(t,n,r){function i(o,s){if(!n[o]){if(!t[o]){var l="function"==typeof require&&require;if(!s&&l)return l(o,!0);if(a)return a(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var d=n[o]={exports:{}};t[o][0].call(d.exports,(function(e){return i(t[o][1][e]||e)}),d,d.exports,e,t,n,r)}return n[o].exports}for(var a="function"==typeof require&&require,o=0;o<r.length;o++)i(r[o]);return i}({1:[function(e,t,n){"use strict";window.SharedArrayBuffer={prototype:{byteLength:0}}},{}],2:[function(e,t,n){"use strict";var r=this&&this.__assign||function(){return r=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var i in t=arguments[n])Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i]);return e},r.apply(this,arguments)},i=this&&this.__awaiter||function(e,t,n,r){return new(n||(n=Promise))((function(i,a){function o(e){try{l(r.next(e))}catch(e){a(e)}}function s(e){try{l(r.throw(e))}catch(e){a(e)}}function l(e){var t;e.done?i(e.value):(t=e.value,t instanceof n?t:new n((function(e){e(t)}))).then(o,s)}l((r=r.apply(e,t||[])).next())}))},a=this&&this.__generator||function(e,t){var n,r,i,a,o={label:0,sent:function(){if(1&i[0])throw i[1];return i[1]},trys:[],ops:[]};return a={next:s(0),throw:s(1),return:s(2)},"function"==typeof Symbol&&(a[Symbol.iterator]=function(){return this}),a;function s(a){return function(s){return function(a){if(n)throw new TypeError("Generator is already executing.");for(;o;)try{if(n=1,r&&(i=2&a[0]?r.return:a[0]?r.throw||((i=r.return)&&i.call(r),0):r.next)&&!(i=i.call(r,a[1])).done)return i;switch(r=0,i&&(a=[2&a[0],i.value]),a[0]){case 0:case 1:i=a;break;case 4:return o.label++,{value:a[1],done:!1};case 5:o.label++,r=a[1],a=[0];continue;case 7:a=o.ops.pop(),o.trys.pop();continue;default:if(!(i=o.trys,(i=i.length>0&&i[i.length-1])||6!==a[0]&&2!==a[0])){o=0;continue}if(3===a[0]&&(!i||a[1]>i[0]&&a[1]<i[3])){o.label=a[1];break}if(6===a[0]&&o.label<i[1]){o.label=i[1],i=a;break}if(i&&o.label<i[2]){o.label=i[2],o.ops.push(a);break}i[2]&&o.ops.pop(),o.trys.pop();continue}a=t.call(e,o)}catch(e){a=[6,e],r=0}finally{n=i=0}if(5&a[0])throw a[1];return{value:a[0]?a[1]:void 0,done:!0}}([a,s])}}},o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(n,"__esModule",{value:!0}),n.EPub=n.chapterDefaults=n.optionsDefaults=void 0;var s=e("ejs"),l=o(e("jszip")),c=e("mime"),d=o(e("ow")),p=e("./util");Object.defineProperty(n,"chapterDefaults",{enumerable:!0,get:function(){return p.chapterDefaults}}),Object.defineProperty(n,"optionsDefaults",{enumerable:!0,get:function(){return p.optionsDefaults}});var u=o(e("fs")),f=function(){function e(e,t){switch(this.images=[],this.options=(0,p.validateAndNormalizeOptions)(e),this.options.verbose){case!0:this.log=console.log.bind(console),this.warn=console.warn.bind(console);break;case!1:this.log=this.warn=function(){};break;default:this.log=this.options.verbose.bind(null,"log"),this.warn=this.options.verbose.bind(null,"warn")}if(this.uuid=(0,p.uuid)(),this.content=p.validateAndNormalizeChapters.call(this,t),this.zip=new l.default,this.zip.file("mimetype","application/epub+zip",{compression:"STORE"}),this.options.cover){var n=(0,c.getType)(this.options.cover),r=(0,c.getExtension)(n||"");n&&r&&(this.cover={mediaType:n,extension:r})}}return e.prototype.render=function(){return i(this,void 0,void 0,(function(){return a(this,(function(e){switch(e.label){case 0:return this.log("Generating Template Files..."),[4,this.generateTemplateFiles()];case 1:return e.sent(),this.log("Downloading fonts..."),[4,this.downloadAllFonts()];case 2:return e.sent(),this.log("Downloading images..."),[4,this.downloadAllImages()];case 3:return e.sent(),this.log("Making cover..."),[4,this.makeCover()];case 4:return e.sent(),this.log("Finishing up..."),[2,this]}}))}))},e.prototype.genEpub=function(){return i(this,void 0,void 0,(function(){var e;return a(this,(function(t){switch(t.label){case 0:return[4,this.render()];case 1:return t.sent(),e=this.zip.generateAsync({type:p.type,mimeType:"application/epub+zip",compression:"DEFLATE",compressionOptions:{level:9}}),this.log("Done"),[2,e]}}))}))},e.prototype.generateAsync=function(e){return this.zip.generateAsync(e)},e.prototype.generateTemplateFiles=function(){return i(this,void 0,void 0,(function(){var e,t,n,i=this;return a(this,(function(a){return(e=this.zip.folder("OEBPS")).file("style.css",this.options.css),this.content.forEach((function(t){var n=(0,s.render)(i.options.chapterXHTML,r({lang:i.options.lang,prependChapterTitles:i.options.prependChapterTitles},t));e.file(t.filename,n),t.css&&e.file(t.cssFileName,t.css)})),(t=this.zip.folder("META-INF")).file("container.xml",'<?xml version="1.0" encoding="UTF-8" ?><container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container"><rootfiles><rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/></rootfiles></container>'),2===this.options.version&&t.file("com.apple.ibooks.display-options.xml",'<?xml version="1.0" encoding="UTF-8" standalone="yes"?><display_options><platform name="*"><option name="specified-fonts">true</option></platform></display_options>'),n=r(r({},this.options),{id:this.uuid,images:this.images,cover:this.cover,content:this.content}),e.file("content.opf",(0,s.render)(this.options.contentOPF,n)),e.file("toc.ncx",(0,s.render)(this.options.tocNCX,n)),e.file("toc.xhtml",(0,s.render)(this.options.tocXHTML,n)),[2]}))}))},e.prototype.downloadAllFonts=function(){return i(this,void 0,void 0,(function(){var e,t,n,i=this;return a(this,(function(a){switch(a.label){case 0:if(!this.options.fonts.length)return[2,this.log("No fonts to download")];e=this.zip.folder("OEBPS"),t=e.folder("fonts"),n=0,a.label=1;case 1:return n<this.options.fonts.length?[4,Promise.all(this.options.fonts.slice(n,n+this.options.batchSize).map((function(e){var t=(0,p.retryFetch)(e.url,i.options.fetchTimeout,i.options.retryTimes,i.log,{urlValidator:i.options.urlValidator}).then((function(t){return i.log("Downloaded font "+e.url),r(r({},e),{data:t})}));return i.options.ignoreFailedDownloads?t.catch((function(t){return i.warn("Warning (font "+e.url+"): Download failed",t),r(r({},e),{data:""})})):t})))]:[3,4];case 2:a.sent().forEach((function(e){return t.file(e.filename,e.data)})),a.label=3;case 3:return n+=this.options.batchSize,[3,1];case 4:return[2]}}))}))},e.prototype.downloadAllImages=function(){return i(this,void 0,void 0,(function(){var e,t,n,i=this;return a(this,(function(a){switch(a.label){case 0:if(!this.images.length)return[2,this.log("No images to download")];e=this.zip.folder("OEBPS"),t=e.folder("images"),n=0,a.label=1;case 1:return n<this.images.length?[4,Promise.all(this.images.slice(n,n+this.options.batchSize).map((function(e){var t,n,a,o,s=(null===(n=(t=i.options).imageTransformer)||void 0===n?void 0:n.call(t,e))||e,l=(0,p.retryFetch)(s.url,i.options.fetchTimeout,i.options.retryTimes,i.log,{headers:null===(o=(a=i.options).imageFetcherHeaders)||void 0===o?void 0:o.call(a,s.url),urlValidator:i.options.urlValidator}).then((function(e){return i.log("Downloaded image "+s.url),r(r({},s),{data:e})}));return i.options.ignoreFailedDownloads?l.catch((function(e){return i.warn("Warning (image "+s.url+"): Download failed",e),r(r({},s),{data:""})})):l})))]:[3,4];case 2:a.sent().forEach((function(e){var n,r,a=(null===(r=(n=i.options).imageTransformer)||void 0===r?void 0:r.call(n,e))||e;t.file(a.id+"."+a.extension,e.data)})),a.label=3;case 3:return n+=this.options.batchSize,[3,1];case 4:return[2]}}))}))},e.prototype.makeCover=function(){return i(this,void 0,void 0,(function(){var e,t,n=this;return a(this,(function(r){switch(r.label){case 0:return this.cover?(e=this.zip.folder("OEBPS"),t="",this.options.cover.startsWith("http")?[4,(0,p.retryFetch)(this.options.cover,this.options.fetchTimeout,this.options.retryTimes,this.log,{urlValidator:this.options.urlValidator}).catch((function(e){return n.warn("Warning (cover "+n.options.cover+"): Download failed",e),""}))]:[3,2]):[2,this.log("No cover to download")];case 1:return t=r.sent(),[3,3];case 2:t=u.default.readFileSync(this.options.cover),r.label=3;case 3:return e.file("cover."+this.cover.extension,t),[2]}}))}))},e}();n.EPub=f;n.default=function(e,t){for(var n=[],r=2;r<arguments.length;r++)n[r-2]=arguments[r];(0,d.default)(e,d.default.any(p.optionsPredicate,d.default.string));var i=d.default.isValid(e,d.default.string)?{title:e}:e;return(0,d.default)(n,d.default.array.ofType(d.default.any(d.default.boolean,d.default.number))),n.forEach((function(e){d.default.isValid(e,d.default.boolean)?i.verbose=e:i.version=e})),new f(i,t).genEpub()}},{"./util":15,ejs:25,fs:20,jszip:30,mime:33,ow:37}],3:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<%= lang %>" lang="<%= lang %>">\n<head>\n  <title><%= title %></title>\n  <link rel="stylesheet" type="text/css" href="style.css" />\n</head>\n<body>\n  <% if (prependChapterTitles) { %>\n    <h1><%= title %></h1>\n    <% if (author.length) { %>\n      <p class="epub-author"><%= author.join(\', \') %></p>\n    <% } %>\n    <% if (url) { %>\n      <p class="epub-link"><a href="<%= url %>"><%= url %></a></p>\n    <% } %>\n  <% } %>\n  <%- content %>\n</body>\n</html>'},{}],4:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<package xmlns="http://www.idpf.org/2007/opf"\n         version="2.0"\n         unique-identifier="BookId">\n\n    <metadata xmlns:dc="http://purl.org/dc/elements/1.1/"\n              xmlns:opf="http://www.idpf.org/2007/opf">\n\n        <dc:identifier id="BookId" opf:scheme="URN"><%= id %></dc:identifier>\n        <dc:title><%= title %></dc:title>\n        <dc:description><%= description %></dc:description>\n        <dc:publisher><%= publisher %></dc:publisher>\n        <dc:creator opf:role="aut" opf:file-as="<%= author.join(",")  %>"><%= author.join(",") %></dc:creator>\n        <dc:date opf:event="modification"><%= date %></dc:date>\n        <dc:language><%= lang %></dc:language>\n        <% if(cover) { %>\n        <meta name="cover" content="image_cover" />\n        <% } %>\n        <meta name="generator" content="epub-gen" />\n\n    </metadata>\n\n    <manifest>\n        <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />\n        <item id="toc" href="toc.xhtml" media-type="application/xhtml+xml" />\n        <item id="css" href="style.css" media-type="text/css" />\n\n        <% if(cover) { %>\n        <item id="image_cover" href="cover.<%= cover.extension %>" media-type="<%= cover.mediaType %>" />\n        <% } %>\n        \n        <% images.forEach(function(image, index){ %>\n        <item id="image_<%= index %>" href="images/<%= image.id %>.<%= image.extension %>" media-type="<%= image.mediaType %>" />\n        <% }) %>\n        \n        <% content.forEach(function(content, index){ %>\n        <item id="content_<%= index %>_<%= content.id %>" href="<%= content.filename %>" media-type="application/xhtml+xml" />\n        <% }) %>\n\n        <% fonts.forEach(function(font, index) { %>\n        <item id="font_<%= index %>" href="fonts/<%= font.filename %>" media-type="<%= font.mediaType %>" />\n        <% }) %>\n    </manifest>\n\n    <spine toc="ncx">\n        <% content.forEach(function(content, index){ %>\n            <% if(content.beforeToc){ %>\n                <itemref idref="content_<%= index %>_<%= content.id %>"/>\n            <% } %>\n        <% }) %>\n        <itemref idref="toc" />\n        <% content.forEach(function(content, index){ %>\n            <% if(!content.beforeToc){ %>\n                <itemref idref="content_<%= index %>_<%= content.id %>"/>\n            <% } %>\n        <% }) %>\n    </spine>\n    <guide>\n        <reference type="toc" title="<%= tocTitle %>" href="toc.xhtml" />\n    </guide>\n</package>'},{}],5:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n<html xml:lang="<%- lang %>" xmlns="http://www.w3.org/1999/xhtml">\n<head>\n    <title><%= title %></title>\n    <link rel="stylesheet" type="text/css" href="style.css" />\n</head>\n<body>\n    <h1 class="h1"><%= tocTitle %></h1>\n    <% content.forEach(function(content, index){ %>\n        <% if(!content.excludeFromToc){ %>\n            <p class="table-of-content">\n                <a href="<%= content.filename %>"><%= (numberChaptersInTOC ? (1+index) + ". " : "") + content.title %>\n                    <% if(content.author.length){ %>\n                    - <small class="toc-author"><%= content.author.join(",") %></small>\n                    <% } %>\n                    <% if(content.url){ %><span class="toc-link"><%= content.url %></span><% }%>\n                </a>\n            </p>\n        <% } %>\n    <% }) %>\n</body>\n</html>'},{}],6:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE html>\n<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xml:lang="<%= lang %>" lang="<%= lang %>">\n<head>\n  <meta charset="UTF-8" />\n  <title><%= title %></title>\n  <link rel="stylesheet" type="text/css" href="style.css" />\n  <% if (cssFileName) { %>\n    <link rel="stylesheet" type="text/css" href="<%= cssFileName %>" />\n  <% } %>\n</head>\n<body>\n  <% if (prependChapterTitles) { %>\n    <h1><%= title %></h1>\n    <% if (author.length) { %>\n      <p class="epub-author"><%= author.join(\', \') %></p>\n    <% } %>\n    <% if (url) { %>\n      <p class="epub-link"><a href="<%= url %>"><%= url %></a></p>\n    <% } %>\n  <% } %>\n  <%- content %>\n</body>\n</html>'},{}],7:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<package xmlns="http://www.idpf.org/2007/opf"\n         version="3.0"\n         unique-identifier="BookId"\n         xmlns:dc="http://purl.org/dc/elements/1.1/"\n         xmlns:dcterms="http://purl.org/dc/terms/"\n         xml:lang="en"\n         xmlns:media="http://www.idpf.org/epub/vocab/overlays/#"\n         prefix="ibooks: http://vocabulary.itunes.apple.com/rdf/ibooks/vocabulary-extensions-1.0/">\n\n    <metadata xmlns:dc="http://purl.org/dc/elements/1.1/"\n              xmlns:opf="http://www.idpf.org/2007/opf">\n\n        <dc:identifier id="BookId"><%= id %></dc:identifier>\n        <meta refines="#BookId" property="identifier-type" scheme="onix:codelist5">22</meta>\n        <meta property="dcterms:identifier" id="meta-identifier">BookId</meta>\n        <dc:title><%= title %></dc:title>\n        <meta property="dcterms:title" id="meta-title"><%= title %></meta>\n        <dc:language><%= lang %></dc:language>\n        <meta property="dcterms:language" id="meta-language"><%= lang %></meta>\n        <meta property="dcterms:modified"><%= (new Date()).toISOString().split(".")[0]+ "Z" %></meta>\n        <dc:creator id="creator"><%= author.join(",") %></dc:creator>\n        <meta refines="#creator" property="file-as"><%= author.join(",") %></meta>\n        <meta property="dcterms:publisher"><%= publisher %></meta>\n        <dc:publisher><%= publisher %></dc:publisher>\n        <meta property="dcterms:date"><%= date %></meta>\n        <dc:date><%= date %></dc:date>\n        <meta property="dcterms:rights">All rights reserved</meta>\n        <dc:rights>Copyright &#x00A9; <%= (new Date()).getFullYear() %> by <%= publisher %></dc:rights>\n        <% if(cover) { %>\n        <meta name="cover" content="image_cover"/>\n        <% } %>\n        <meta name="generator" content="epub-gen" />\n        <meta property="ibooks:specified-fonts">true</meta>\n\n    </metadata>\n\n    <manifest>\n        <item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />\n        <item id="toc" href="toc.xhtml" media-type="application/xhtml+xml" properties="nav" />\n        <item id="css" href="style.css" media-type="text/css" />\n\n        <% if(cover) { %>\n        <item id="image_cover" href="cover.<%= cover.extension %>" media-type="<%= cover.mediaType %>" />\n        <% } %>\n        \n        <% images.forEach(function(image, index){ %>\n        <item id="image_<%= index %>" href="images/<%= image.id %>.<%= image.extension %>" media-type="<%= image.mediaType %>" />\n        <% }) %>\n        \n        <% content.forEach(function(content, index){ %>\n        <item id="content_<%= index %>_<%= content.id %>" href="<%= content.filename %>" media-type="application/xhtml+xml" />\n            <% if(content.css) { %>\n                <item id="content_<%= index %>_<%= content.id %>_css" href="<%= content.cssFileName %>" media-type="text/css" />\n            <% } %>\n        <% }) %>\n\n        <% fonts.forEach(function(font, index){%>\n        <item id="font_<%= index%>" href="fonts/<%= font.filename %>" media-type="<%= font.mediaType %>" />\n        <%})%>\n    </manifest>\n\n    <spine toc="ncx">\n        <% content.forEach(function(content, index){ %>\n            <% if(content.beforeToc){ %>\n                <itemref idref="content_<%= index %>_<%= content.id %>"/>\n            <% } %>\n        <% }) %>\n        <itemref idref="toc" />\n        <% content.forEach(function(content, index){ %>\n            <% if(!content.beforeToc){ %>\n                <itemref idref="content_<%= index %>_<%= content.id %>"/>\n            <% } %>\n        <% }) %>\n    </spine>\n    <guide>\n        <reference type="text" title="Table of Content" href="toc.xhtml"/>\n    </guide>\n</package>'},{}],8:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE html>\n<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xml:lang="<%- lang %>" lang="<%- lang %>">\n<head>\n    <title><%= title %></title>\n    <meta charset="UTF-8" />\n    <link rel="stylesheet" type="text/css" href="style.css" />\n</head>\n<body>\n    <h1 class="h1"><%= tocTitle %></h1>\n    <nav id="toc" epub:type="toc">\n        <% if (numberChaptersInTOC){ %>\n            <ol>\n        <% }else{ %>\n            <ol style="list-style: none">\n        <% } %>\n            <% content.forEach(function(content, index){ %>\n                <% if(!content.excludeFromToc){ %>\n                    <li class="table-of-content">\n                        <a href="<%= content.filename %>"><%= content.title %><% if(content.author.length){ %> - <small class="toc-author"><%= content.author.join(",") %></small><% }%><% if(content.url){ %><span class="toc-link"><%= content.url %></span><% }%></a>\n                    </li>\n                <% } %>\n            <% }) %>\n        </ol>\n    </nav>\n</body>\n</html>'},{}],9:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default=".epub-author {\n    color: #555;\n}\n\n.epub-link {\n    margin-bottom: 30px;\n}\n\n.epub-link a {\n    color: #666;\n    font-size: 90%;\n}\n\n.toc-author {\n    font-size: 90%;\n    color: #555;\n}\n\n.toc-link {\n    color: #999;\n    font-size: 85%;\n    display: block;\n}\n\nhr {\n    border: 0;\n    border-bottom: 1px solid #dedede;\n    margin: 60px 10%;\n}"},{}],10:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default='<?xml version="1.0" encoding="UTF-8"?>\n<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">\n    <head>\n        <meta name="dtb:uid" content="<%= id %>" />\n        <meta name="dtb:generator" content="epub-gen"/>\n        <meta name="dtb:depth" content="1"/>\n        <meta name="dtb:totalPageCount" content="0"/>\n        <meta name="dtb:maxPageNumber" content="0"/>\n    </head>\n    <docTitle>\n        <text><%= title %></text>\n    </docTitle>\n    <docAuthor>\n        <text><%= author %></text>\n    </docAuthor>\n    <navMap>\n        <% var _index = 0; %>\n        <% content.forEach(function(content, index){ %>\n            <% if(!content.excludeFromToc && content.beforeToc){ %>\n                <navPoint id="content_<%= index %>_<%= content.id %>" playOrder="<%= _index++ %>" class="chapter">\n                    <navLabel>\n                        <text><%= (numberChaptersInTOC ? 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