| Path : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/ |
|
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/core-js-pure/modules/es.object.group-by.js |
'use strict';
var $ = require('../internals/export');
var createProperty = require('../internals/create-property');
var getBuiltIn = require('../internals/get-built-in');
var uncurryThis = require('../internals/function-uncurry-this');
var aCallable = require('../internals/a-callable');
var requireObjectCoercible = require('../internals/require-object-coercible');
var toPropertyKey = require('../internals/to-property-key');
var iterate = require('../internals/iterate');
var fails = require('../internals/fails');
// eslint-disable-next-line es/no-object-groupby -- testing
var nativeGroupBy = Object.groupBy;
var create = getBuiltIn('Object', 'create');
var push = uncurryThis([].push);
// https://bugs.webkit.org/show_bug.cgi?id=271524
var DOES_NOT_WORK_WITH_PRIMITIVES = !nativeGroupBy || fails(function () {
return nativeGroupBy('ab', function (it) {
return it;
}).a.length !== 1;
});
// `Object.groupBy` method
// https://tc39.es/ecma262/#sec-object.groupby
$({ target: 'Object', stat: true, forced: DOES_NOT_WORK_WITH_PRIMITIVES }, {
groupBy: function groupBy(items, callbackfn) {
requireObjectCoercible(items);
aCallable(callbackfn);
var obj = create(null);
var k = 0;
iterate(items, function (value) {
var key = toPropertyKey(callbackfn(value, k++));
// in some IE versions, `hasOwnProperty` returns incorrect result on integer keys
// but since it's a `null` prototype object, we can safely use `in`
if (key in obj) push(obj[key], value);
else createProperty(obj, key, [value]);
});
return obj;
}
});