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