@drtyhu8npm/quod-consequatur-pariatur ^{[![Version Badge][npm-version-svg]][package-url]}

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An ES2019 spec-compliant Array.prototype.flat shim/polyfill/replacement that works as far down as ES3.

This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the proposed spec.

Because Array.prototype.flat depends on a receiver (the this value), the main export takes the array to operate on as the first argument.

Getting started

``sh
npm install --save @drtyhu8npm/quod-consequatur-pariatur
`

Usage/Examples

`js
var flat = require('@drtyhu8npm/quod-consequatur-pariatur');
var assert = require('assert');

var arr = [1, [2], [], 3, [[4]]];

assert.deepEqual(flat(arr, 1), [1, 2, 3, [4]]);
`

`js
var flat = require('@drtyhu8npm/quod-consequatur-pariatur');
var assert = require('assert');
/ when Array#flat is not present /
delete Array.prototype.flat;
var shimmedFlat = flat.shim();

assert.equal(shimmedFlat, flat.getPolyfill());
assert.deepEqual(arr.flat(), flat(arr));
`

`js
var flat = require('@drtyhu8npm/quod-consequatur-pariatur');
var assert = require('assert');
/ when Array#flat is present /
var shimmedIncludes = flat.shim();

var mapper = function (x) { return [x, 1]; };

assert.equal(shimmedIncludes, Array.prototype.flat);
assert.deepEqual(arr.flat(mapper), flat(arr, mapper));
`

Tests


Simply clone the repo, npm install, and run npm test`

[package-url]: https://npmjs.org/package/@drtyhu8npm/quod-consequatur-pariatur
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