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- uses: dangoslen/changelog-enforcer@v3 | ||
with: | ||
skipLabels: "autocut" | ||
skipLabels: "autocut, Skip-Changelog" |
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# `@osd/cross-platform` — OpenSearch Dashboards cross-platform helpers | ||
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This package contains the helpers to work around the differences across platforms, such as the difference in the path segment separator and the possibility of referencing a path using the short 8.3 name (SFN), a long name, and a long UNC on Windows. | ||
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Some helpers are functions that `standardize` the reference to a path or help `getRepoRoot`, and some are constants referencing the `PROCESS_WORKING_DIR` or `REPO_ROOT`. | ||
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### Example | ||
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When the relative reference of `path` to the working directory is needed, using the code below would produce different results on Linux that it would on Windows and if the process was started in a Windows shell that used short paths, the results differ from a Windows shell that used long paths. | ||
```js | ||
import { relative } from 'path'; | ||
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const relativePath = relative(process.cwd(), path); | ||
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// Output on Linux: relative-path/to/a/file | ||
// Windows: relative-path\to\a\file | ||
// Windows SFN: RELATI~1\to\a\file | ||
``` | ||
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To avoid those differences, helper functions and constants can be used: | ||
```js | ||
import { relative } from 'path'; | ||
import { standardize, PROCESS_WORKING_DIR } from '@osd/cross-platform'; | ||
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const relativePath = standardize(relative(PROCESS_WORKING_DIR, path)); | ||
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// Output: relative-path/to/a/file | ||
``` |
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{ | ||
"name": "@osd/cross-platform", | ||
"main": "./target/index.js", | ||
"version": "1.0.0", | ||
"license": "Apache-2.0", | ||
"private": true, | ||
"scripts": { | ||
"build": "tsc", | ||
"osd:bootstrap": "yarn build" | ||
}, | ||
"devDependencies": { | ||
"typescript": "4.0.2", | ||
"tsd": "^0.21.0" | ||
} | ||
} |
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packages/osd-cross-platform/src/__snapshots__/path.test.ts.snap
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/* | ||
* Copyright OpenSearch Contributors | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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export * from './path'; | ||
export * from './process'; | ||
export * from './repo_root'; |
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/* | ||
* Copyright OpenSearch Contributors | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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import path from 'path'; | ||
import fs from 'fs'; | ||
import { access, rmdir, mkdir, writeFile, symlink } from 'fs/promises'; | ||
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import { | ||
resolveToFullNameSync, | ||
resolveToFullPathSync, | ||
resolveToShortNameSync, | ||
resolveToShortPathSync, | ||
shortNamesSupportedSync, | ||
realPathSync, | ||
realShortPathSync, | ||
standardize, | ||
} from './path'; | ||
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const tmpTestFolder = './__test_artifacts__'; | ||
const longFolderName = '.long-folder-name'; | ||
const longFileName = '.long-file-name.txt'; | ||
const longSymlinkName = '.sym.link'; | ||
const shortFolderName = 'LONG-F~1'; | ||
const shortFileName = 'LONG-F~1.TXT'; | ||
const dummyWindowsPath = 'C:\\a\\b\\c'; | ||
const dummyWindowsPOSIXPath = 'C:/a/b/c'; | ||
const dummyPOSIXPath = '/a/b/c'; | ||
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const onWindows = process.platform === 'win32' ? describe : xdescribe; | ||
const onWindowsWithShortNames = shortNamesSupportedSync() ? describe : xdescribe; | ||
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// Save the real process.platform | ||
const realPlatform = Object.getOwnPropertyDescriptor(process, 'platform')!; | ||
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describe('Cross Platform', () => { | ||
describe('path', () => { | ||
onWindows('on Windows', () => { | ||
onWindowsWithShortNames('when 8.3 is supported', () => { | ||
beforeAll(async () => { | ||
// Cleanup | ||
try { | ||
// If leftover artifacts were found, get rid of them | ||
await access(tmpTestFolder); | ||
await rmdir(tmpTestFolder, { recursive: true }); | ||
} catch (ex) { | ||
// Do nothing; if `rmdir` failed, let the `mkdir` below throw the error | ||
} | ||
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await mkdir(tmpTestFolder); | ||
await mkdir(path.resolve(tmpTestFolder, longFolderName)); | ||
await writeFile(path.resolve(tmpTestFolder, longFolderName, longFileName), ''); | ||
await symlink( | ||
path.resolve(tmpTestFolder, longFolderName), | ||
path.resolve(tmpTestFolder, longSymlinkName), | ||
'junction' | ||
); | ||
}); | ||
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afterAll(async () => { | ||
try { | ||
await rmdir(tmpTestFolder, { recursive: true }); | ||
} catch (ex) { | ||
// Do nothing | ||
} | ||
}); | ||
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it('can synchronously extract full name of a folder', () => { | ||
const name = path.basename( | ||
resolveToFullPathSync(path.resolve(tmpTestFolder, shortFolderName)) | ||
); | ||
expect(name).toBe(longFolderName); | ||
}); | ||
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it('can synchronously extract full name of a file', () => { | ||
const name = path.basename( | ||
resolveToFullNameSync(path.resolve(tmpTestFolder, shortFolderName, shortFileName)) | ||
); | ||
expect(name).toBe(longFileName); | ||
}); | ||
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it('can synchronously extract short name of a folder', () => { | ||
const name = path.basename( | ||
resolveToShortPathSync(path.resolve(tmpTestFolder, longFolderName)) | ||
); | ||
expect(name).toBe(shortFolderName); | ||
}); | ||
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it('can synchronously extract short name of a file', () => { | ||
const name = path.basename( | ||
resolveToShortNameSync(path.resolve(tmpTestFolder, longFolderName, longFileName)) | ||
); | ||
expect(name).toBe(shortFileName); | ||
}); | ||
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it('can synchronously extract full name of a symbolic link', () => { | ||
const name = path.basename(realPathSync(path.resolve(tmpTestFolder, longSymlinkName))); | ||
expect(name).toBe(longFolderName); | ||
}); | ||
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it('can synchronously extract short name of a symbolic link', () => { | ||
const name = path.basename( | ||
realShortPathSync(path.resolve(tmpTestFolder, longSymlinkName)) | ||
); | ||
expect(name).toBe(shortFolderName); | ||
}); | ||
}); | ||
}); | ||
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describe('on platforms other than Windows', () => { | ||
let mockPathNormalize: jest.SpyInstance<string, [p: string]>; | ||
let mockPathResolve: jest.SpyInstance<string, string[]>; | ||
let mockFSRealPathSync: jest.SpyInstance<string>; | ||
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beforeAll(() => { | ||
Object.defineProperty(process, 'platform', { | ||
...Object.getOwnPropertyDescriptor(process, 'property'), | ||
value: 'linux', | ||
}); | ||
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mockPathNormalize = jest.spyOn(path, 'normalize').mockReturnValue(dummyPOSIXPath); | ||
mockPathResolve = jest.spyOn(path, 'resolve').mockReturnValue(dummyPOSIXPath); | ||
mockFSRealPathSync = jest | ||
.spyOn(fs, 'realpathSync') | ||
.mockReturnValue(dummyPOSIXPath) as jest.SpyInstance<string>; | ||
}); | ||
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afterAll(() => { | ||
// Restore the real property value after each test | ||
Object.defineProperty(process, 'platform', realPlatform); | ||
mockPathNormalize.mockRestore(); | ||
mockPathResolve.mockRestore(); | ||
mockFSRealPathSync.mockRestore(); | ||
}); | ||
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it('all short and full name methods return just the normalized paths', () => { | ||
expect(shortNamesSupportedSync()).toBe(false); | ||
expect(resolveToFullPathSync(dummyPOSIXPath)).toBe(dummyPOSIXPath); | ||
expect(resolveToShortPathSync(dummyPOSIXPath)).toBe(dummyPOSIXPath); | ||
}); | ||
}); | ||
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describe('standardize', () => { | ||
describe('on Windows', () => { | ||
let mockPathNormalize: jest.SpyInstance<string, [p: string]>; | ||
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beforeAll(() => { | ||
Object.defineProperty(process, 'platform', { | ||
...Object.getOwnPropertyDescriptor(process, 'property'), | ||
value: 'win32', | ||
}); | ||
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mockPathNormalize = jest.spyOn(path, 'normalize').mockReturnValue(dummyWindowsPath); | ||
}); | ||
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afterAll(() => { | ||
// Restore the real property value after each test | ||
Object.defineProperty(process, 'platform', realPlatform); | ||
mockPathNormalize.mockRestore(); | ||
}); | ||
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it('produces a path in native format', () => { | ||
expect(standardize(dummyWindowsPath, false, false)).toMatchSnapshot(); | ||
}); | ||
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it('produces a path in native format even for POSIX input', () => { | ||
expect(standardize(dummyWindowsPOSIXPath, false, false)).toMatchSnapshot(); | ||
}); | ||
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it('produces a path in native format with escaped backslashes', () => { | ||
expect(standardize(dummyWindowsPath, false, true)).toMatchSnapshot(); | ||
}); | ||
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it('produces a path in POSIX format', () => { | ||
expect(standardize(dummyWindowsPath)).toMatchSnapshot(); | ||
}); | ||
}); | ||
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describe('on POSIX-compatible platforms', () => { | ||
let mockPathNormalize: jest.SpyInstance<string, [p: string]>; | ||
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beforeAll(() => { | ||
Object.defineProperty(process, 'platform', { | ||
...Object.getOwnPropertyDescriptor(process, 'property'), | ||
value: 'linux', | ||
}); | ||
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mockPathNormalize = jest.spyOn(path, 'normalize').mockReturnValue(dummyPOSIXPath); | ||
}); | ||
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afterAll(() => { | ||
// Restore the real property value after each test | ||
Object.defineProperty(process, 'platform', realPlatform); | ||
mockPathNormalize.mockRestore(); | ||
}); | ||
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it('produces a path in POSIX format', () => { | ||
expect(standardize(dummyPOSIXPath)).toMatchSnapshot(); | ||
}); | ||
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it('ignores additional parameters', () => { | ||
expect(standardize(dummyPOSIXPath, false, true)).toMatchSnapshot(); | ||
}); | ||
}); | ||
}); | ||
}); | ||
}); |
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