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flat-util

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Readme

flat-util

Flatten a nested array.

The nesting can be to any depth. If you pass shallow, the array will only be flattened one level.

Features

Small utility to flatten nested arrays.
Free of TypeScript. 😄

Install

Install with npm

$ npm install flat-util

Or unpkg

<script src="https://unpkg.com/flat-util@1.1.3/umd/index.js" />

Check out the unit tests on CodePen.

Usage

const flatten = require('flat-util');

flatten([1, 2, [3, 4]]);
//=> [1, 2, 3, 4]

flatten([1, [2], [3, [[4]]]]);
//=> [1, 2, 3, 4];

flatten([1, [2], [3, [[4]]]], true);
//=> [1, 2, 3, [[4]]];

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API

flatten(input, shallow)

input

Type: array
Default: none

The array to flatten.

shallow

Type: boolean
Default: false

Whether or not to flatten the array only one level.

License

MIT