Package Exports
- array-flat-polyfill
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Readme
Array Flat Polyfill 
Array Flat Polyfill is a polyfill for Array.prototype.flat and
Array.prototype.flatMap, following the TC39 Proposal.
npm install array-flat-polyfill --saveThe flat() method creates a new array with all sub-array elements
concatenated into it recursively up to the specified depth.
[1, 2, [3, 4, [5, 6]]].flat(2) // [1, 2, 3, 4, 5, 6]The flatMap() method maps each element using a mapping function, then
flattens the result into a new array.
[1, 2, 3, 4].flatMap(x => [x * 2]); // [2, 4, 6, 8]The script is 261 bytes when minified and gzipped. It works in all browsers, going as far back as Internet Explorer 9.
Usage
For immediate usage, add this script to your document:
<script src="https://unpkg.com/array-flat-polyfill"></script>For Node usage, add Array Flat Polyfill to your project:
npm install array-flat-polyfillInclude Array Flat Polyfill in your JS:
import 'array-flat-polyfill';