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Editing: esnext.array.group-by.js
'use strict'; // TODO: Remove from `core-js@4` var $ = require('../internals/export'); var $group = require('../internals/array-group'); var arrayMethodIsStrict = require('../internals/array-method-is-strict'); var addToUnscopables = require('../internals/add-to-unscopables'); // `Array.prototype.groupBy` method // https://github.com/tc39/proposal-array-grouping // https://bugs.webkit.org/show_bug.cgi?id=236541 $({ target: 'Array', proto: true, forced: !arrayMethodIsStrict('groupBy') }, { groupBy: function groupBy(callbackfn /* , thisArg */) { var thisArg = arguments.length > 1 ? arguments[1] : undefined; return $group(this, callbackfn, thisArg); } }); addToUnscopables('groupBy');
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