dotfiles/.vscode/extensions/vscodevim.vim-0.2.0/node_modules/lodash/intersection.js
Cyryl Płotnicki 280bcab25f VSCode update
2016-09-24 13:12:34 +02:00

30 lines
961 B
JavaScript

var arrayMap = require('./_arrayMap'),
baseIntersection = require('./_baseIntersection'),
baseRest = require('./_baseRest'),
castArrayLikeObject = require('./_castArrayLikeObject');
/**
* 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 of result values is determined by the
* order they occur in 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)
: [];
});
module.exports = intersection;