mirror of
https://github.com/cachix/install-nix-action.git
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88 lines
2 KiB
Markdown
88 lines
2 KiB
Markdown
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# find-up [](https://travis-ci.org/sindresorhus/find-up) [](https://ci.appveyor.com/project/sindresorhus/find-up/branch/master)
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> Find a file or directory by walking up parent directories
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## Install
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```
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$ npm install find-up
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```
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## Usage
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```
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/
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└── Users
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└── sindresorhus
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├── unicorn.png
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└── foo
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└── bar
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├── baz
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└── example.js
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```
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`example.js`
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```js
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const findUp = require('find-up');
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(async () => {
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console.log(await findUp('unicorn.png'));
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//=> '/Users/sindresorhus/unicorn.png'
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console.log(await findUp(['rainbow.png', 'unicorn.png']));
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//=> '/Users/sindresorhus/unicorn.png'
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})();
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```
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## API
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### findUp(filename, [options])
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Returns a `Promise` for either the filepath or `null` if it couldn't be found.
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### findUp([filenameA, filenameB], [options])
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Returns a `Promise` for either the first filepath found (by respecting the order) or `null` if none could be found.
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### findUp.sync(filename, [options])
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Returns a filepath or `null`.
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### findUp.sync([filenameA, filenameB], [options])
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Returns the first filepath found (by respecting the order) or `null`.
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#### filename
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Type: `string`
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Filename of the file to find.
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#### options
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Type: `Object`
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##### cwd
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Type: `string`<br>
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Default: `process.cwd()`
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Directory to start from.
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## Related
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- [find-up-cli](https://github.com/sindresorhus/find-up-cli) - CLI for this module
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- [pkg-up](https://github.com/sindresorhus/pkg-up) - Find the closest package.json file
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- [pkg-dir](https://github.com/sindresorhus/pkg-dir) - Find the root directory of an npm package
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- [resolve-from](https://github.com/sindresorhus/resolve-from) - Resolve the path of a module like `require.resolve()` but from a given path
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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