85 lines
1.8 KiB
Markdown
85 lines
1.8 KiB
Markdown
# 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 by walking up parent directories
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## Install
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```
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$ npm install --save 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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```js
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// example.js
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const findUp = require('find-up');
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findUp('unicorn.png').then(filepath => {
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console.log(filepath);
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//=> '/Users/sindresorhus/unicorn.png'
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});
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findUp(['rainbow.png', 'unicorn.png']).then(filepath => {
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console.log(filepath);
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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 the filepath or `null`.
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### findUp([filenameA, filenameB], [options])
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Returns a `Promise` for the first filepath found (by respecting the order) or `null`.
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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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##### 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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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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