array.prototype.flatmap
Advanced tools
Comparing version 1.0.0 to 1.0.1
@@ -0,3 +1,7 @@ | ||
1.0.1 / 2017-10-02 | ||
================= | ||
* Add readme | ||
1.0.0 / 2017-10-01 | ||
================= | ||
* Initial release |
{ | ||
"name": "array.prototype.flatmap", | ||
"version": "1.0.0", | ||
"version": "1.0.1", | ||
"author": { | ||
@@ -5,0 +5,0 @@ "name": "Jordan Harband", |
@@ -1,2 +0,79 @@ | ||
# Array.prototype.flatMap | ||
ESnext spec-compliant shim for Array.prototype.flatMap | ||
# array.prototype.flatmap <sup>[![Version Badge][npm-version-svg]][package-url]</sup> | ||
[![Build Status][travis-svg]][travis-url] | ||
[![dependency status][deps-svg]][deps-url] | ||
[![dev dependency status][dev-deps-svg]][dev-deps-url] | ||
[![License][license-image]][license-url] | ||
[![Downloads][downloads-image]][downloads-url] | ||
[![npm badge][npm-badge-png]][package-url] | ||
An ESnext spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3. | ||
This package implements the [es-shim API](https://github.com/es-shims/api) interface. It works in an ES3-supported environment and complies with the proposed [spec](https://tc39.github.io/proposal-flatMap/). | ||
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 | ||
```sh | ||
npm install --save array.prototype.flatmap | ||
``` | ||
## Usage/Examples | ||
```js | ||
var flatMap = require('array.prototype.flatmap'); | ||
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]); | ||
``` | ||
```js | ||
var flatMap = require('array.prototype.flatmap'); | ||
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)); | ||
``` | ||
```js | ||
var flatMap = require('array.prototype.flatmap'); | ||
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` | ||
[package-url]: https://npmjs.org/package/array.prototype.flatmap | ||
[npm-version-svg]: http://versionbadg.es/es-shims/Array.prototype.flatMap.svg | ||
[travis-svg]: https://travis-ci.org/es-shims/Array.prototype.flatMap.svg | ||
[travis-url]: https://travis-ci.org/es-shims/Array.prototype.flatMap | ||
[deps-svg]: https://david-dm.org/es-shims/Array.prototype.flatMap.svg | ||
[deps-url]: https://david-dm.org/es-shims/Array.prototype.flatMap | ||
[dev-deps-svg]: https://david-dm.org/es-shims/Array.prototype.flatMap/dev-status.svg | ||
[dev-deps-url]: https://david-dm.org/es-shims/Array.prototype.flatMap#info=devDependencies | ||
[npm-badge-png]: https://nodei.co/npm/array.prototype.flatmap.png?downloads=true&stars=true | ||
[license-image]: http://img.shields.io/npm/l/array.prototype.flatmap.svg | ||
[license-url]: LICENSE | ||
[downloads-image]: http://img.shields.io/npm/dm/array.prototype.flatmap.svg | ||
[downloads-url]: http://npm-stat.com/charts.html?package=array.prototype.flatmap |
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