necessitatibus-similique-nam
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MIT License
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@firanorg/necessitatibus-similique-nam 
An ES5 spec-compliant Array.prototype.filter 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 spec.
Because Array.prototype.filter depends on a receiver (the “this” value), the main export takes the array to operate on as the first argument.
Example
var filter = require('@firanorg/necessitatibus-similique-nam');
var assert = require('assert');
assert.deepEqual(filter([1, 2, 3], function (x) { return x >= 2; }), [2, 3]);
assert.deepEqual(filter([1, 2, 3], function (x) { return x <= 2; }), [1, 2]);
var filter = require('@firanorg/necessitatibus-similique-nam');
var assert = require('assert');
/* when Array#filter is not present */
delete Array.prototype.filter;
var shimmedFilter = filter.shim();
assert.equal(shimmedFilter, filter.getPolyfill());
var arr = [1, 2, 3];
var isOdd = function (x) { return x % 2 !== 0; };
assert.deepEqual(arr.filter(isOdd), filter(arr, isOdd));
var filter = require('@firanorg/necessitatibus-similique-nam');
var assert = require('assert');
/* when Array#filter is present */
var shimmedFilter = filter.shim();
assert.equal(shimmedFilter, Array.prototype.filter);
assert.deepEqual(arr.filter(isOdd), filter(arr, isOdd));
Tests
Simply clone the repo, npm install, and run npm test
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