import arrayMap from './_arrayMap.js'; | |
import baseIntersection from './_baseIntersection.js'; | |
import baseRest from './_baseRest.js'; | |
import castArrayLikeObject from './_castArrayLikeObject.js'; | |
/** | |
* Creates an array of unique values that are included in all given arrays | |
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) | |
* for equality comparisons. The order and references of result values are | |
* determined by the first array. | |
* | |
* @static | |
* @memberOf _ | |
* @since 0.1.0 | |
* @category Array | |
* @param {...Array} [arrays] The arrays to inspect. | |
* @returns {Array} Returns the new array of intersecting values. | |
* @example | |
* | |
* _.intersection([2, 1], [2, 3]); | |
* // => [2] | |
*/ | |
var intersection = baseRest(function(arrays) { | |
var mapped = arrayMap(arrays, castArrayLikeObject); | |
return (mapped.length && mapped[0] === arrays[0]) | |
? baseIntersection(mapped) | |
: []; | |
}); | |
export default intersection; | |