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// # spell-checker:ignore AllUsersProfile HomeDrive HomePath LocalAppData UserProfile WinDir falsey |
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import { Platform } from '../platform-adapters/_base'; |
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export type OSPaths = { |
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new (): OSPaths; |
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(): OSPaths; |
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readonly home: () => string | undefined; |
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readonly temp: () => string; |
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}; |
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function isEmpty(s: string | null | undefined): boolean { |
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return !s; // reminder: JS "falsey" == [undefined, null, NaN, 0, '', false] |
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} |
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export function OSPathsAdaptionBuilder_(adapter_: Platform.Adapter): OSPaths { |
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const { env, os, path, process } = adapter_; |
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const isWinOS = /^win/i.test(process.platform); |
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function normalizePath(path_: string | undefined): string | undefined { |
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return path_ ? path.normalize(path.join(path_, '.')) : void 0; |
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} |
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const posix = () => { |
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const home = () => |
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normalizePath((typeof os.homedir === 'function' ? os.homedir() : void 0) || env.get('HOME')); |
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const temp = () => { |
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const fallback = '/tmp'; |
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const priorityList = [ |
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typeof os.tmpdir === 'function' ? os.tmpdir() : void 0, |
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env.get('TMPDIR'), |
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env.get('TEMP'), |
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env.get('TMP'), |
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]; |
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return normalizePath(priorityList.find((v) => !isEmpty(v))) || fallback; |
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}; |
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return { home, temp }; |
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}; |
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const windows = () => { |
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const home = () => { |
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const priorityList = [ |
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typeof os.homedir === 'function' ? os.homedir() : void 0, |
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env.get('USERPROFILE'), |
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env.get('HOME'), |
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env.get('HOMEDRIVE') || env.get('HOMEPATH') |
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? path.join(env.get('HOMEDRIVE') || '', env.get('HOMEPATH') || '') |
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: void 0, |
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]; |
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return normalizePath(priorityList.find((v) => !isEmpty(v))); |
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}; |
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function joinPathToBase(base: string | undefined, segments: ReadonlyArray<string>) { |
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return base ? path.join(base, ...segments) : void 0; |
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} |
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const temp = () => { |
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const fallback = 'C:\\Temp'; |
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const priorityListLazy = [ |
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os.tmpdir, |
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() => env.get('TEMP'), |
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() => env.get('TMP'), |
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() => joinPathToBase(env.get('LOCALAPPDATA'), ['Temp']), |
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() => joinPathToBase(home(), ['AppData', 'Local', 'Temp']), |
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() => joinPathToBase(env.get('ALLUSERSPROFILE'), ['Temp']), |
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() => joinPathToBase(env.get('SystemRoot'), ['Temp']), |
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() => joinPathToBase(env.get('windir'), ['Temp']), |
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() => joinPathToBase(env.get('SystemDrive'), ['\\', 'Temp']), |
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]; |
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const v = priorityListLazy.find((v) => v && !isEmpty(v())); |
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return (v && normalizePath(v())) || fallback; |
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}; |
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return { home, temp }; |
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}; |
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// eslint-disable-next-line functional/no-class |
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class OSPaths_ { |
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constructor() { |
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const OSPaths = function () { |
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return new OSPaths_() as OSPaths; |
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}; |
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// Connect to platform-specific API functions by extension |
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const platformOS = isWinOS ? windows() : posix(); |
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OSPaths.home = platformOS.home; |
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OSPaths.temp = platformOS.temp; |
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return OSPaths; |
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} |
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} |
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return new OSPaths_() as OSPaths; |
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} |
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rivy /
js.os-paths
