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2 years ago
'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');