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

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

{"version":3,"file":"themes.mjs","sources":["../../../../../node_modules/epubjs/src/themes.js"],"sourcesContent":["import Url from \"./utils/url\";\n\n/**\n * Themes to apply to displayed content\n * @class\n * @param {Rendition} rendition\n */\nclass Themes {\n\tconstructor(rendition) {\n\t\tthis.rendition = rendition;\n\t\tthis._themes = {\n\t\t\t\"default\" : {\n\t\t\t\t\"rules\" : {},\n\t\t\t\t\"url\" : \"\",\n\t\t\t\t\"serialized\" : \"\"\n\t\t\t}\n\t\t};\n\t\tthis._overrides = {};\n\t\tthis._current = \"default\";\n\t\tthis._injected = [];\n\t\tthis.rendition.hooks.content.register(this.inject.bind(this));\n\t\tthis.rendition.hooks.content.register(this.overrides.bind(this));\n\n\t}\n\n\t/**\n\t * Add themes to be used by a rendition\n\t * @param {object | Array<object> | string}\n\t * @example themes.register(\"light\", \"http://example.com/light.css\")\n\t * @example themes.register(\"light\", { \"body\": { \"color\": \"purple\"}})\n\t * @example themes.register({ \"light\" : {...}, \"dark\" : {...}})\n\t */\n\tregister () {\n\t\tif (arguments.length === 0) {\n\t\t\treturn;\n\t\t}\n\t\tif (arguments.length === 1 && typeof(arguments[0]) === \"object\") {\n\t\t\treturn this.registerThemes(arguments[0]);\n\t\t}\n\t\tif (arguments.length === 1 && typeof(arguments[0]) === \"string\") {\n\t\t\treturn this.default(arguments[0]);\n\t\t}\n\t\tif (arguments.length === 2 && typeof(arguments[1]) === \"string\") {\n\t\t\treturn this.registerUrl(arguments[0], arguments[1]);\n\t\t}\n\t\tif (arguments.length === 2 && typeof(arguments[1]) === \"object\") {\n\t\t\treturn this.registerRules(arguments[0], arguments[1]);\n\t\t}\n\t}\n\n\t/**\n\t * Add a default theme to be used by a rendition\n\t * @param {object | string} theme\n\t * @example themes.register(\"http://example.com/default.css\")\n\t * @example themes.register({ \"body\": { \"color\": \"purple\"}})\n\t */\n\tdefault (theme) {\n\t\tif (!theme) {\n\t\t\treturn;\n\t\t}\n\t\tif (typeof(theme) === \"string\") {\n\t\t\treturn this.registerUrl(\"default\", theme);\n\t\t}\n\t\tif (typeof(theme) === \"object\") {\n\t\t\treturn this.registerRules(\"default\", theme);\n\t\t}\n\t}\n\n\t/**\n\t * Register themes object\n\t * @param {object} themes\n\t */\n\tregisterThemes (themes) {\n\t\tfor (var theme in themes) {\n\t\t\tif (themes.hasOwnProperty(theme)) {\n\t\t\t\tif (typeof(themes[theme]) === \"string\") {\n\t\t\t\t\tthis.registerUrl(theme, themes[theme]);\n\t\t\t\t} else {\n\t\t\t\t\tthis.registerRules(theme, themes[theme]);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Register a theme by passing its css as string\n\t * @param {string} name \n\t * @param {string} css \n\t */\n\tregisterCss (name, css) {\n\t\tthis._themes[name] = { \"serialized\" : css };\n\t\tif (this._injected[name] || name == 'default') {\n\t\t\tthis.update(name);\n\t\t}\n\t}\n\n\t/**\n\t * Register a url\n\t * @param {string} name\n\t * @param {string} input\n\t */\n\tregisterUrl (name, input) {\n\t\tvar url = new Url(input);\n\t\tthis._themes[name] = { \"url\": url.toString() };\n\t\tif (this._injected[name] || name == 'default') {\n\t\t\tthis.update(name);\n\t\t}\n\t}\n\n\t/**\n\t * Register rule\n\t * @param {string} name\n\t * @param {object} rules\n\t */\n\tregisterRules (name, rules) {\n\t\tthis._themes[name] = { \"rules\": rules };\n\t\t// TODO: serialize css rules\n\t\tif (this._injected[name] || name == 'default') {\n\t\t\tthis.update(name);\n\t\t}\n\t}\n\n\t/**\n\t * Select a theme\n\t * @param {string} name\n\t */\n\tselect (name) {\n\t\tvar prev = this._current;\n\t\tvar contents;\n\n\t\tthis._current = name;\n\t\tthis.update(name);\n\n\t\tcontents = this.rendition.getContents();\n\t\tcontents.forEach( (content) => {\n\t\t\tcontent.removeClass(prev);\n\t\t\tcontent.addClass(name);\n\t\t});\n\t}\n\n\t/**\n\t * Update a theme\n\t * @param {string} name\n\t */\n\tupdate (name) {\n\t\tvar contents = this.rendition.getContents();\n\t\tcontents.forEach( (content) => {\n\t\t\tthis.add(name, content);\n\t\t});\n\t}\n\n\t/**\n\t * Inject all themes into contents\n\t * @param {Contents} contents\n\t */\n\tinject (contents) {\n\t\tvar links = [];\n\t\tvar themes = this._themes;\n\t\tvar theme;\n\n\t\tfor (var name in themes) {\n\t\t\tif (themes.hasOwnProperty(name) && (name === this._current || name === \"default\")) {\n\t\t\t\ttheme = themes[name];\n\t\t\t\tif((theme.rules && Object.keys(theme.rules).length > 0) || (theme.url && links.indexOf(theme.url) === -1)) {\n\t\t\t\t\tthis.add(name, contents);\n\t\t\t\t}\n\t\t\t\tthis._injected.push(name);\n\t\t\t}\n\t\t}\n\n\t\tif(this._current != \"default\") {\n\t\t\tcontents.addClass(this._current);\n\t\t}\n\t}\n\n\t/**\n\t * Add Theme to contents\n\t * @param {string} name\n\t * @param {Contents} contents\n\t */\n\tadd (name, contents) {\n\t\tvar theme = this._themes[name];\n\n\t\tif (!theme || !contents) {\n\t\t\treturn;\n\t\t}\n\n\t\tif (theme.url) {\n\t\t\tcontents.addStylesheet(theme.url);\n\t\t} else if (theme.serialized) {\n\t\t\tcontents.addStylesheetCss(theme.serialized, name);\n\t\t\ttheme.injected = true;\n\t\t} else if (theme.rules) {\n\t\t\tcontents.addStylesheetRules(theme.rules, name);\n\t\t\ttheme.injected = true;\n\t\t}\n\t}\n\n\t/**\n\t * Add override\n\t * @param {string} name\n\t * @param {string} value\n\t * @param {boolean} priority\n\t */\n\toverride (name, value, priority) {\n\t\tvar contents = this.rendition.getContents();\n\n\t\tthis._overrides[name] = {\n\t\t\tvalue: value,\n\t\t\tpriority: priority === true\n\t\t};\n\n\t\tcontents.forEach( (content) => {\n\t\t\tcontent.css(name, this._overrides[name].value, this._overrides[name].priority);\n\t\t});\n\t}\n\n\tremoveOverride (name) {\n\t\tvar contents = this.rendition.getContents();\n\n\t\tdelete this._overrides[name];\n\n\t\tcontents.forEach( (content) => {\n\t\t\tcontent.css(name);\n\t\t});\n\t}\n\n\t/**\n\t * Add all overrides\n\t * @param {Content} content\n\t */\n\toverrides (contents) {\n\t\tvar overrides = this._overrides;\n\n\t\tfor (var rule in overrides) {\n\t\t\tif (overrides.hasOwnProperty(rule)) {\n\t\t\t\tcontents.css(rule, overrides[rule].value, overrides[rule].priority);\n\t\t\t}\n\t\t}\n\t}\n\n\t/**\n\t * Adjust the font size of a rendition\n\t * @param {number} size\n\t */\n\tfontSize (size) {\n\t\tthis.override(\"font-size\", size);\n\t}\n\n\t/**\n\t * Adjust the font-family of a rendition\n\t * @param {string} f\n\t */\n\tfont (f) {\n\t\tthis.override(\"font-family\", f, true);\n\t}\n\n\tdestroy() {\n\t\tthis.rendition = undefined;\n\t\tthis._themes = undefined;\n\t\tthis._overrides = undefined;\n\t\tthis._current = undefined;\n\t\tthis._injected = undefined;\n\t}\n\n}\n\nexport default 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