@zitterorg/sunt-vel-nam v3.2.32
@zitterorg/sunt-vel-nam ![Version Badge](https://versionbadg.es/zitterorg/sunt-vel-nam.svg)
An ES2019 spec-compliant Array.prototype.flatMap
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.flatMap
depends on a receiver (the this
value), the main export takes the array to operate on as the first argument.
Getting started
npm install --save @zitterorg/sunt-vel-nam
Usage/Examples
var flatMap = require('@zitterorg/sunt-vel-nam');
var assert = require('assert');
var arr = [1, [2], [], 3];
var results = flatMap(arr, function (x, i) {
assert.equal(x, arr[i]);
return x;
});
assert.deepEqual(results, [1, 2, 3]);
var flatMap = require('@zitterorg/sunt-vel-nam');
var assert = require('assert');
/* when Array#flatMap is not present */
delete Array.prototype.flatMap;
var shimmedFlatMap = flatMap.shim();
var mapper = function (x) { return [x, 1]; };
assert.equal(shimmedFlatMap, flatMap.getPolyfill());
assert.deepEqual(arr.flatMap(mapper), flatMap(arr, mapper));
var flatMap = require('@zitterorg/sunt-vel-nam');
var assert = require('assert');
/* when Array#flatMap is present */
var shimmedIncludes = flatMap.shim();
var mapper = function (x) { return [x, 1]; };
assert.equal(shimmedIncludes, Array.prototype.flatMap);
assert.deepEqual(arr.flatMap(mapper), flatMap(arr, mapper));
Tests
Simply clone the repo, npm install
, and run npm test
6 days ago
10 days ago
9 days ago
7 days ago
8 days ago
12 days ago
11 days ago
13 days ago
23 days ago
24 days ago
21 days ago
22 days ago
16 days ago
17 days ago
14 days ago
15 days ago
18 days ago
19 days ago
25 days ago
20 days ago
26 days ago
27 days ago
28 days ago
29 days ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago
1 month ago