Files
lodash/union.js
John-David Dalton bbd78fee4d Bump to v4.1.0.
2016-01-29 08:30:29 -08:00

25 lines
673 B
JavaScript

var baseFlatten = require('./_baseFlatten'),
baseUniq = require('./_baseUniq'),
rest = require('./rest');
/**
* Creates an array of unique values, in order, from all of the provided 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, false, true));
});
module.exports = union;