1 Star 0 Fork 0

animalcoder/Vue

加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
文件
克隆/下载
DefinePropertyOrThrow.js 1.44 KB
一键复制 编辑 原始数据 按行查看 历史
animalcoder 提交于 2020-03-17 14:52 +08:00 . Vueinit
'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var isPropertyDescriptor = require('../helpers/isPropertyDescriptor');
var DefineOwnProperty = require('../helpers/DefineOwnProperty');
var FromPropertyDescriptor = require('./FromPropertyDescriptor');
var IsAccessorDescriptor = require('./IsAccessorDescriptor');
var IsDataDescriptor = require('./IsDataDescriptor');
var IsPropertyKey = require('./IsPropertyKey');
var SameValue = require('./SameValue');
var ToPropertyDescriptor = require('./ToPropertyDescriptor');
var Type = require('./Type');
// https://www.ecma-international.org/ecma-262/6.0/#sec-definepropertyorthrow
module.exports = function DefinePropertyOrThrow(O, P, desc) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
if (!IsPropertyKey(P)) {
throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
}
var Desc = isPropertyDescriptor({
Type: Type,
IsDataDescriptor: IsDataDescriptor,
IsAccessorDescriptor: IsAccessorDescriptor
}, desc) ? desc : ToPropertyDescriptor(desc);
if (!isPropertyDescriptor({
Type: Type,
IsDataDescriptor: IsDataDescriptor,
IsAccessorDescriptor: IsAccessorDescriptor
}, Desc)) {
throw new $TypeError('Assertion failed: Desc is not a valid Property Descriptor');
}
return DefineOwnProperty(
IsDataDescriptor,
SameValue,
FromPropertyDescriptor,
O,
P,
Desc
);
};
Loading...
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
1
https://gitee.com/animalcoder/Vue.git
git@gitee.com:animalcoder/Vue.git
animalcoder
Vue
Vue
master

搜索帮助