https://github.com/melkir/combination-iterator

Iterate by combination in a list
https://github.com/melkir/combination-iterator

Last synced: 2 days ago
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Iterate by combination in a list

• Host: GitHub
• URL: https://github.com/melkir/combination-iterator
• Owner: melkir
• License: mit
• Created: 2018-02-23T14:13:02.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2024-11-20T01:53:57.000Z (about 1 month ago)
• Last Synced: 2024-12-17T09:24:17.592Z (11 days ago)
• Language: JavaScript
• Size: 2.93 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# combination-iterator [![Build Status](https://travis-ci.org/melkir/combination-iterator.svg?branch=master)](https://travis-ci.org/melkir/combination-iterator) [![codecov](https://codecov.io/gh/melkir/combination-iterator/branch/master/graph/badge.svg)](https://codecov.io/gh/melkir/combination-iterator)

> Iterate by combination values in a list

[![Combination][picture]](https://en.wikibooks.org/wiki/Probability/Combinatorics)

## Install

```

$ npm install combination-iterator

```

## Usage

### Array

```js

const combinationIterator = require('combination-iterator');

const it = combinationIterator(['a', 'b', 'c']);

it.next(); // => { value: [ 'a', 'b' ], done: false }

it.next(); // => { value: [ 'a', 'c' ], done: false }

it.next(); // => { value: [ 'b', 'c' ], done: false }

it.next(); // => { value: undefined, done: true }

```

### Object

```js

const it = combinationIterator({

  1: 'a',

  2: 'b',

  3: 'c'

});

// Same bahavior as arrays

it.next(); // => { value: [ 'a', 'b' ], done: false }

```

## License

MIT © Thibaut Vieux

[picture]: https://upload.wikimedia.org/wikipedia/commons/3/3b/Combination.png