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Diffstat (limited to 'node_modules/lodash/intersection.js')
-rw-r--r-- | node_modules/lodash/intersection.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/node_modules/lodash/intersection.js b/node_modules/lodash/intersection.js new file mode 100644 index 000000000..a94c13512 --- /dev/null +++ b/node_modules/lodash/intersection.js @@ -0,0 +1,30 @@ +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; |