lodash.multicombinations
v1.0.0
Published
Calculates all possible multicombinations of a certain size.
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lodash.multicombinations
_.multicombinations(collection, n)
Calculates all possible multicombinations of a certain size.
| argument | description |
| ---: | :--- |
| collection
| A collection of distinct values to calculate the multicombinations from. |
| n
| The number of values to combine. |
Returns a new array.
setup
npm
npm i lodash.multicombinations
ES module
import 'lodash.multicombinations';
import _ from 'lodash';
Node
require('lodash.multicombinations');
let _ = require('lodash');
browser
<script src="https://unpkg.com/lodash"></script>
<script src="https://unpkg.com/lodash.multicombinations"></script>
usage
let multicombinations = _.multicombinations([0, 1], 3);
// => [[0, 0, 0], [0, 0, 1], [0, 1, 1], [1, 1, 1]]
Also accepts array-like values.
let multicombinations = _('abcde').multicombinations(2).map(v => _.join(v, '')).value();
// => ['aa', 'ab', 'ac', 'ad', 'ae', 'bb', 'bc', 'bd', 'be', 'cc', 'cd', 'ce', 'dd', 'de', 'ee']