Files
node/tools/eslint/node_modules/lodash/intersection.js
T
Rich Trott 2981f24f92 tools: update ESLint to v3.8.0
Update ESLint to v3.8.0.

* Installed with `npm install --production` to avoid installing
  unnecessary dev files
* Used `dmn -f clean` to further eliminate unneeded files

PR-URL: https://github.com/nodejs/node/pull/9112
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
2016-10-18 15:28:21 -07:00

31 lines
953 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 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)
: [];
});
module.exports = intersection;