Files
lodash/union.js
John-David Dalton ce259221bd Bump to v4.4.0.
2016-02-15 20:20:54 -08:00

24 lines
669 B
JavaScript

define(['./_baseFlatten', './_baseUniq', './rest'], function(baseFlatten, baseUniq, rest) {
/**
* Creates an array of unique values, in order, from all given arrays using
* [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
* for equality comparisons.
*
* @static
* @memberOf _
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @returns {Array} Returns the new array of combined values.
* @example
*
* _.union([2, 1], [4, 2], [1, 2]);
* // => [2, 1, 4]
*/
var union = rest(function(arrays) {
return baseUniq(baseFlatten(arrays, 1, true));
});
return union;
});