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28 lines
840 B
28 lines
840 B
var arrayMap = require('./_arrayMap'),
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baseIntersection = require('./_baseIntersection'),
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rest = require('./rest'),
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toArrayLikeObject = require('./_toArrayLikeObject');
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/**
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* Creates an array of unique values that are included in all given arrays
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* using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
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* for equality comparisons.
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*
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* @static
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* @memberOf _
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* @category Array
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* @param {...Array} [arrays] The arrays to inspect.
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* @returns {Array} Returns the new array of shared values.
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* @example
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*
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* _.intersection([2, 1], [4, 2], [1, 2]);
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* // => [2]
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*/
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var intersection = rest(function(arrays) {
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var mapped = arrayMap(arrays, toArrayLikeObject);
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return (mapped.length && mapped[0] === arrays[0])
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? baseIntersection(mapped)
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: [];
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});
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module.exports = intersection;
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