{"version":3,"sources":["jsdelivr-header.js","/npm/@xmcl/system@2.2.9/system.ts","/npm/@xmcl/system@2.2.9/index.browser.ts"],"names":[],"mappings":"AAAA;AACA;AACA;AACA;AACA;AACA;AACA,wNCNsB,WAAf,MAoBL,MAAA,CAAO,GAAwB,MAAO,EAAG,CAMzC,QAAA,GAAsB,OAAO,CAAM,CACnC,KAAA,GAAgB,CAIhB,iBAAM,CAAY,GAChB,OAAO,KAAK,WAAW,GAAM,MAAM,IAAO,GAC5C,CAEA,eAAM,CAAU,EAAgB,GAC9B,SAAU,KAAK,YAAY,GAAS,CAClC,MAAM,QAAe,KAAK,UAAU,GACpC,UAAW,KAAS,QACZ,KAAK,UAAU,KAAK,KAAK,EAAQ,GAAQ,EAEnD,KAAO,CACL,MAAM,EAAS,EAAO,KAAK,KAAK,IAC5B,aAAkB,eACd,CAEV,CACF,UC9CK,UAAW,QAElB,IAAM,QAAN,cAAsB,WAsFpB,WAAA,CAAoB,GAAc,QAAd,KAAA,MArFpB,cAAA,KAAA,MAAM,KACN,cAAA,KAAA,OAAuB,OACvB,cAAA,KAAA,aAAY,GACZ,cAAA,KAAA,OAAO,GAkFmC,CAhFhC,aAAA,CAAc,GAOtB,OANI,EAAK,WAAW,OAClB,EAAO,EAAK,UAAU,IAEN,KAAd,KAAK,OACP,EAAO,CAAC,KAAK,KAAM,GAAM,KAAK,MAEzB,CACT,CAEA,IAAA,IAAQ,GACN,OAAO,EAAM,KAAK,IACpB,CAEA,WAAA,CAAY,GAGV,OADA,GADA,EAAO,KAAK,cAAc,IACd,SAAS,KAAO,EAAO,EAAO,IACnC,QAAQ,QAAQ,OAAO,KAAK,KAAK,IAAI,OAAO,MAAM,GAAM,EAAE,WAAW,KAC9E,CAEA,eAAM,CAAU,EAAc,GAC5B,EAAO,KAAK,cAAc,GAC1B,KAAK,IAAI,KAAK,EAAM,EACtB,CAEA,UAAA,CAAW,GAET,OADA,EAAO,KAAK,cAAc,QACG,IAAzB,KAAK,IAAI,MAAM,GAA8B,QAAQ,SAAQ,GAC1D,KAAK,YAAY,EAC1B,CAEA,QAAA,CAAS,EAAW,GAElB,GADA,EAAO,KAAK,cAAc,IACrB,EACH,OAAO,KAAK,IAAI,MAAM,GAAM,MAAM,cAEpC,GAAiB,UAAb,EACF,OAAO,KAAK,IAAI,MAAM,GAAM,MAAM,QAEpC,GAAiB,WAAb,EACF,OAAO,KAAK,IAAI,MAAM,GAAM,MAAM,UAEpC,MAAM,IAAI,UAAU,oDAAoD,KAC1E,CAEA,eAAM,CAAU,GACd,aAAW,KAAK,YAAY,IAC5B,EAAO,KAAK,cAAc,GACnB,QAAQ,QAAQ,OAAO,KAAK,KAAK,IAAI,OACzC,QAAQ,GAAM,EAAE,WAAW,KAC3B,KAAK,GAAM,EAAE,UAAU,EAAK,UAC5B,KAAK,GAAM,EAAE,WAAW,KAAO,EAAE,UAAU,GAAK,IAChD,KAAK,GAAM,EAAE,MAAM,KAAK,OANiB,QAAQ,OAAO,IAAI,UAAU,wBAO3E,CAEA,EAAA,CAAG,GACD,GAAI,EAAK,WAAW,KAElB,YADA,KAAK,KAAO,EAAK,UAAU,IAG7B,MAAM,EAAQ,EAAK,MAAM,KACzB,UAAW,KAAQ,EACjB,GAAa,MAAT,EAEJ,GAAoB,OAAT,EAAe,CACxB,MAAM,EAAM,KAAK,KAAK,MAAM,KACxB,EAAI,OAAS,IACf,EAAI,MACJ,KAAK,KAAO,EAAI,KAAK,KAEzB,KACoB,KAAd,KAAK,KACP,KAAK,KAAO,EAEZ,KAAK,MAAQ,IAAI,GAIzB,GAKF,eAAsB,eAAe,GACnC,GAAwB,iBAAb,EAAyB,MAAM,IAAI,MAAM,eACpD,OAAO,IAAI,cAAc,MAAM,UAAU,GAC3C,CACO,SAAS,kBAAkB,GAChC,MAAoB,iBAAT,GAAqB,aAAgB,WACvC,eAAe,GAEf,QAAQ,QAAQ,EAE3B,Q","file":"/npm/@xmcl/system@2.2.9/dist/index.browser.mjs","sourceRoot":"","sourcesContent":["/**\n * Minified by jsDelivr using Terser v5.39.0.\n * Original file: /npm/@xmcl/system@2.2.9/dist/index.browser.mjs\n *\n * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files\n */\n","export abstract class FileSystem {\n abstract readonly root: string\n abstract readonly sep: string\n abstract readonly type: 'zip' | 'path'\n abstract readonly writeable: boolean\n\n // base methods\n\n abstract join(...paths: string[]): string\n\n abstract isDirectory(name: string): Promise\n abstract existsFile(name: string): Promise\n abstract readFile(name: string, encoding: 'utf-8' | 'base64'): Promise\n abstract readFile(name: string, encoding: undefined): Promise\n abstract readFile(name: string): Promise\n abstract readFile(name: string, encoding?: 'utf-8' | 'base64'): Promise\n\n /**\n * Get the url for a file entry. If the system does not support get url. This should return an empty string.\n */\n getUrl(name: string): string { return '' }\n\n abstract listFiles(name: string): Promise\n\n abstract cd(name: string): void\n\n isClosed(): boolean { return false }\n close(): void { }\n\n // extension methods\n\n async missingFile(name: string) {\n return this.existsFile(name).then((v) => !v)\n }\n\n async walkFiles(target: string, walker: (path: string) => void | Promise) {\n if (await this.isDirectory(target)) {\n const childs = await this.listFiles(target)\n for (const child of childs) {\n await this.walkFiles(this.join(target, child), walker)\n }\n } else {\n const result = walker(this.join(target))\n if (result instanceof Promise) {\n await result\n }\n }\n }\n}\n","import { FileSystem } from './system'\nimport JSZip from 'jszip'\n\nclass JSZipFS extends FileSystem {\n sep = '/'\n type: 'zip' | 'path' = 'zip'\n writeable = true\n root = ''\n\n protected normalizePath(path: string): string {\n if (path.startsWith('/')) {\n path = path.substring(1)\n }\n if (this.root !== '') {\n path = [this.root, path].join('/')\n }\n return path\n }\n\n join(...paths: string[]): string {\n return paths.join('/')\n }\n\n isDirectory(name: string): Promise {\n name = this.normalizePath(name)\n name = name.endsWith('/') ? name : name + '/'\n return Promise.resolve(Object.keys(this.zip.files).some((e) => e.startsWith(name)))\n }\n\n async writeFile(name: string, data: Uint8Array): Promise {\n name = this.normalizePath(name)\n this.zip.file(name, data)\n }\n\n existsFile(name: string): Promise {\n name = this.normalizePath(name)\n if (this.zip.files[name] !== undefined) { return Promise.resolve(true) }\n return this.isDirectory(name)\n }\n\n readFile(name: any, encoding?: any): Promise {\n name = this.normalizePath(name)\n if (!encoding) {\n return this.zip.files[name].async('uint8array')\n }\n if (encoding === 'utf-8') {\n return this.zip.files[name].async('text')\n }\n if (encoding === 'base64') {\n return this.zip.files[name].async('base64')\n }\n throw new TypeError(`Expect encoding to be utf-8/base64 or empty. Got ${encoding}.`)\n }\n\n async listFiles(name: string): Promise {\n if (!await this.isDirectory(name)) { return Promise.reject(new TypeError('Require a directory!')) }\n name = this.normalizePath(name)\n return Promise.resolve(Object.keys(this.zip.files)\n .filter((e) => e.startsWith(name))\n .map((e) => e.substring(name.length))\n .map((e) => e.startsWith('/') ? e.substring(1) : e)\n .map((e) => e.split('/')[0]))\n }\n\n cd(name: string): void {\n if (name.startsWith('/')) {\n this.root = name.substring(1)\n return\n }\n const paths = name.split('/')\n for (const path of paths) {\n if (path === '.') {\n continue\n } else if (path === '..') {\n const sub = this.root.split('/')\n if (sub.length > 0) {\n sub.pop()\n this.root = sub.join('/')\n }\n } else {\n if (this.root === '') {\n this.root = path\n } else {\n this.root += `/${path}`\n }\n }\n }\n }\n\n constructor(private zip: JSZip) { super() }\n}\n\nexport async function openFileSystem(basePath: string | Uint8Array): Promise {\n if (typeof basePath === 'string') { throw new Error('Unsupported') }\n return new JSZipFS(await JSZip.loadAsync(basePath))\n}\nexport function resolveFileSystem(base: string | Uint8Array | FileSystem): Promise {\n if (typeof base === 'string' || base instanceof Uint8Array) {\n return openFileSystem(base)\n } else {\n return Promise.resolve(base)\n }\n}\n\nexport * from './system'\n"]}