1  var baseFlatten = require('./_baseFlatten'),
 2      baseRest = require('./_baseRest'),
 3      baseUniq = require('./_baseUniq'),
 4      isArrayLikeObject = require('./isArrayLikeObject');
 5  
 6  /**
 7   * Creates an array of unique values, in order, from all given arrays using
 8   * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 9   * for equality comparisons.
10   *
11   * @static
12   * @memberOf _
13   * @since 0.1.0
14   * @category Array
15   * @param {...Array} [arrays] The arrays to inspect.
16   * @returns {Array} Returns the new array of combined values.
17   * @example
18   *
19   * _.union([2], [1, 2]);
20   * // => [2, 1]
21   */
22  var union = baseRest(function(arrays) {
23    return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
24  });
25  
26  module.exports = union;