react-native/Libraries/polyfills/Object.es7.js

60 lines
1.5 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule Object.es7
* @polyfill
* @nolint
*/
(function() {
'use strict';
const hasOwnProperty = Object.prototype.hasOwnProperty;
/**
* Returns an array of the given object's own enumerable entries.
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries
*/
if (typeof Object.entries !== 'function') {
Object.entries = function(object) {
// `null` and `undefined` values are not allowed.
if (object == null) {
throw new TypeError('Object.entries called on non-object');
}
const entries = [];
for (const key in object) {
if (hasOwnProperty.call(object, key)) {
entries.push([key, object[key]]);
}
}
return entries;
};
}
/**
* Returns an array of the given object's own enumerable entries.
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/values
*/
if (typeof Object.values !== 'function') {
Object.values = function(object) {
// `null` and `undefined` values are not allowed.
if (object == null) {
throw new TypeError('Object.values called on non-object');
}
const values = [];
for (const key in object) {
if (hasOwnProperty.call(object, key)) {
values.push(object[key]);
}
}
return values;
};
}
})();