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author | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:38:50 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:40:43 +0200 |
commit | 7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 (patch) | |
tree | 6de9a1aebd150a23b7f8c273ec657a5d0a18fe3e /node_modules/p-locate/readme.md | |
parent | 963b7a41feb29cc4be090a2446bdfe0c1f1bcd81 (diff) |
add linting (and some initial fixes)
Diffstat (limited to 'node_modules/p-locate/readme.md')
-rw-r--r-- | node_modules/p-locate/readme.md | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/node_modules/p-locate/readme.md b/node_modules/p-locate/readme.md new file mode 100644 index 000000000..68b96a47e --- /dev/null +++ b/node_modules/p-locate/readme.md @@ -0,0 +1,86 @@ +# p-locate [](https://travis-ci.org/sindresorhus/p-locate) + +> Get the first fulfilled promise that satisfies the provided testing function + +Think of it like an async version of [`Array#find`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/find). + + +## Install + +``` +$ npm install --save p-locate +``` + + +## Usage + +Here we find the first file that exists on disk, in array order. + +```js +const pathExists = require('path-exists'); +const pLocate = require('p-locate'); + +const files = [ + 'unicorn.png', + 'rainbow.png', // only this one actually exists on disk + 'pony.png' +]; + +pLocate(files, file => pathExists(file)).then(foundPath => { + console.log(foundPath); + //=> 'rainbow' +}); +``` + +*The above is just an example. Use [`locate-path`](https://github.com/sindresorhus/locate-path) if you need this.* + + +## API + +### pLocate(input, tester, [options]) + +Returns a `Promise` that is fulfilled when `tester` resolves to `true` or the iterable is done, or rejects if any of the promises reject. The fulfilled value is the current iterable value or `undefined` if `tester` never resolved to `true`. + +#### input + +Type: `Iterable<Promise|any>` + +#### tester(element) + +Type: `Function` + +Expected to return a `Promise<boolean>` or boolean. + +#### options + +Type: `Object` + +##### concurrency + +Type: `number`<br> +Default: `Infinity`<br> +Minimum: `1` + +Number of concurrently pending promises returned by `tester`. + +##### preserveOrder + +Type: `boolean`<br> +Default: `true` + +Preserve `input` order when searching. + +Disable this to improve performance if you don't care about the order. + + +## Related + +- [p-map](https://github.com/sindresorhus/p-map) - Map over promises concurrently +- [p-filter](https://github.com/sindresorhus/p-filter) - Filter promises concurrently +- [p-any](https://github.com/sindresorhus/p-any) - Wait for any promise to be fulfilled +- [More…](https://github.com/sindresorhus/promise-fun) + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) |