diff options
Diffstat (limited to 'node_modules/core-js/modules/esnext.array.unique-by.js')
| -rw-r--r-- | node_modules/core-js/modules/esnext.array.unique-by.js | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/node_modules/core-js/modules/esnext.array.unique-by.js b/node_modules/core-js/modules/esnext.array.unique-by.js deleted file mode 100644 index c7d1bf6..0000000 --- a/node_modules/core-js/modules/esnext.array.unique-by.js +++ /dev/null @@ -1,38 +0,0 @@ -'use strict'; -var $ = require('../internals/export'); -var toLength = require('../internals/to-length'); -var toObject = require('../internals/to-object'); -var getBuiltIn = require('../internals/get-built-in'); -var arraySpeciesCreate = require('../internals/array-species-create'); -var addToUnscopables = require('../internals/add-to-unscopables'); - -var push = [].push; - -// `Array.prototype.uniqueBy` method -// https://github.com/tc39/proposal-array-unique -$({ target: 'Array', proto: true }, { - uniqueBy: function uniqueBy(resolver) { - var that = toObject(this); - var length = toLength(that.length); - var result = arraySpeciesCreate(that, 0); - var Map = getBuiltIn('Map'); - var map = new Map(); - var resolverFunction, index, item, key; - if (typeof resolver == 'function') resolverFunction = resolver; - else if (resolver == null) resolverFunction = function (value) { - return value; - }; - else throw new TypeError('Incorrect resolver!'); - for (index = 0; index < length; index++) { - item = that[index]; - key = resolverFunction(item); - if (!map.has(key)) map.set(key, item); - } - map.forEach(function (value) { - push.call(result, value); - }); - return result; - } -}); - -addToUnscopables('uniqueBy'); |
