| 1 | var arrayMap = require('./_arrayMap'),
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| 2 | baseIntersection = require('./_baseIntersection'),
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| 3 | baseRest = require('./_baseRest'),
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| 4 | castArrayLikeObject = require('./_castArrayLikeObject');
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| 5 |
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| 6 | /**
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| 7 | * Creates an array of unique values that are included in all given arrays
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| 8 | * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
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| 9 | * for equality comparisons. The order and references of result values are
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| 10 | * determined by the first array.
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| 11 | *
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| 12 | * @static
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| 13 | * @memberOf _
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| 14 | * @since 0.1.0
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| 15 | * @category Array
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| 16 | * @param {...Array} [arrays] The arrays to inspect.
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| 17 | * @returns {Array} Returns the new array of intersecting values.
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| 18 | * @example
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| 19 | *
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| 20 | * _.intersection([2, 1], [2, 3]);
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| 21 | * // => [2]
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| 22 | */
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| 23 | var intersection = baseRest(function(arrays) {
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| 24 | var mapped = arrayMap(arrays, castArrayLikeObject);
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| 25 | return (mapped.length && mapped[0] === arrays[0])
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| 26 | ? baseIntersection(mapped)
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| 27 | : [];
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| 28 | });
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| 29 |
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| 30 | module.exports = intersection;
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