vue-files-preview-inno/es/node_modules/epubjs/src/store.mjs.map

A tool for previewing files such as doc, excel, pdf, image, markdown, txt, audio, and video and so on.

{"version":3,"file":"store.mjs","sources":["../../../../../node_modules/epubjs/src/store.js"],"sourcesContent":["import {defer, isXml, parse} from \"./utils/core\";\nimport httpRequest from \"./utils/request\";\nimport mime from \"./utils/mime\";\nimport Path from \"./utils/path\";\nimport EventEmitter from \"event-emitter\";\nimport localforage from \"localforage\";\n\n/**\n * Handles saving and requesting files from local storage\n * @class\n * @param {string} name This should be the name of the application for modals\n * @param {function} [requester]\n * @param {function} [resolver]\n */\nclass Store {\n\n\tconstructor(name, requester, resolver) {\n\t\tthis.urlCache = {};\n\n\t\tthis.storage = undefined;\n\n\t\tthis.name = name;\n\t\tthis.requester = requester || httpRequest;\n\t\tthis.resolver = resolver;\n\n\t\tthis.online = true;\n\n\t\tthis.checkRequirements();\n\n\t\tthis.addListeners();\n\t}\n\n\t/**\n\t * Checks to see if localForage exists in global namspace,\n\t * Requires localForage if it isn't there\n\t * @private\n\t */\n\tcheckRequirements(){\n\t\ttry {\n\t\t\tlet store;\n\t\t\tif (typeof localforage === \"undefined\") {\n\t\t\t\tstore = localforage;\n\t\t\t}\n\t\t\tthis.storage = store.createInstance({\n\t\t\t\t\tname: this.name\n\t\t\t});\n\t\t} catch (e) {\n\t\t\tthrow new Error(\"localForage lib not loaded\");\n\t\t}\n\t}\n\n\t/**\n\t * Add online and offline event listeners\n\t * @private\n\t */\n\taddListeners() {\n\t\tthis._status = this.status.bind(this);\n\t\twindow.addEventListener('online',  this._status);\n\t  window.addEventListener('offline', this._status);\n\t}\n\n\t/**\n\t * Remove online and offline event listeners\n\t * @private\n\t */\n\tremoveListeners() {\n\t\twindow.removeEventListener('online',  this._status);\n\t  window.removeEventListener('offline', this._status);\n\t\tthis._status = undefined;\n\t}\n\n\t/**\n\t * Update the online / offline status\n\t * @private\n\t */\n\tstatus(event) {\n\t\tlet online = navigator.onLine;\n\t\tthis.online = online;\n\t\tif (online) {\n\t\t\tthis.emit(\"online\", this);\n\t\t} else {\n\t\t\tthis.emit(\"offline\", this);\n\t\t}\n\t}\n\n\t/**\n\t * Add all of a book resources to the store\n\t * @param  {Resources} resources  book resources\n\t * @param  {boolean} [force] force resaving resources\n\t * @return {Promise<object>} store objects\n\t */\n\tadd(resources, force) {\n\t\tlet mapped = resources.resources.map((item) => {\n\t\t\tlet { href } = item;\n\t\t\tlet url = this.resolver(href);\n\t\t\tlet encodedUrl = window.encodeURIComponent(url);\n\n\t\t\treturn this.storage.getItem(encodedUrl).then((item) => {\n\t\t\t\tif (!item || force) {\n\t\t\t\t\treturn this.requester(url, \"binary\")\n\t\t\t\t\t\t.then((data) => {\n\t\t\t\t\t\t\treturn this.storage.setItem(encodedUrl, data);\n\t\t\t\t\t\t});\n\t\t\t\t} else {\n\t\t\t\t\treturn item;\n\t\t\t\t}\n\t\t\t});\n\n\t\t});\n\t\treturn Promise.all(mapped);\n\t}\n\n\t/**\n\t * Put binary data from a url to storage\n\t * @param  {string} url  a url to request from storage\n\t * @param  {boolean} [withCredentials]\n\t * @param  {object} [headers]\n\t * @return {Promise<Blob>}\n\t */\n\tput(url, withCredentials, headers) {\n\t\tlet encodedUrl = window.encodeURIComponent(url);\n\n\t\treturn this.storage.getItem(encodedUrl).then((result) => {\n\t\t\tif (!result) {\n\t\t\t\treturn this.requester(url, \"binary\", withCredentials, headers).then((data) => {\n\t\t\t\t\treturn this.storage.setItem(encodedUrl, data);\n\t\t\t\t});\n\t\t\t}\n\t\t\treturn result;\n\t\t});\n\t}\n\n\t/**\n\t * Request a url\n\t * @param  {string} url  a url to request from storage\n\t * @param  {string} [type] specify the type of the returned result\n\t * @param  {boolean} [withCredentials]\n\t * @param  {object} [headers]\n\t * @return {Promise<Blob | string | JSON | Document | XMLDocument>}\n\t */\n\trequest(url, type, withCredentials, headers){\n\t\tif (this.online) {\n\t\t\t// From network\n\t\t\treturn 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this.handleResponse(r, type);\n\t\t\t\tdeferred.resolve(result);\n\t\t\t} else {\n\t\t\t\tdeferred.reject({\n\t\t\t\t\tmessage : \"File not found in storage: \" + url,\n\t\t\t\t\tstack : new Error().stack\n\t\t\t\t});\n\t\t\t}\n\t\t\treturn deferred.promise;\n\t\t});\n\t}\n\n\t/**\n\t * Handle the response from request\n\t * @private\n\t * @param  {any} response\n\t * @param  {string} [type]\n\t * @return {any} the parsed result\n\t */\n\thandleResponse(response, type){\n\t\tvar r;\n\n\t\tif(type == \"json\") {\n\t\t\tr = JSON.parse(response);\n\t\t}\n\t\telse\n\t\tif(isXml(type)) {\n\t\t\tr = parse(response, \"text/xml\");\n\t\t}\n\t\telse\n\t\tif(type == \"xhtml\") {\n\t\t\tr = parse(response, \"application/xhtml+xml\");\n\t\t}\n\t\telse\n\t\tif(type == \"html\" || type == \"htm\") {\n\t\t\tr = parse(response, \"text/html\");\n\t\t } else {\n\t\t\t r = response;\n\t\t }\n\n\t\treturn r;\n\t}\n\n\t/**\n\t * Get a Blob from Storage by Url\n\t * @param  {string} url\n\t * @param  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