import map from './map.js'
import baseIntersection from './baseIntersection.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.
*
* @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]
*/
function intersection(...arrays) {
const mapped = map(arrays, castArrayLikeObject)
return (mapped.length && mapped[0] === arrays[0])
? baseIntersection(mapped)
: []
}
export default intersection
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由 徐立 提交于a979f0f3