flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
'use strict';
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var $TypeError = require('es-errors/type');
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var isObject = require('es-object-atoms/isObject');
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var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
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var IsExtensible = require('./IsExtensible');
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var isPropertyKey = require('../helpers/isPropertyKey');
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// https://262.ecma-international.org/13.0/#sec-definemethodproperty
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module.exports = function DefineMethodProperty(homeObject, key, closure, enumerable) {
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if (!isObject(homeObject)) {
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throw new $TypeError('Assertion failed: `homeObject` is not an Object');
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}
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if (!isPropertyKey(key)) {
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throw new $TypeError('Assertion failed: `key` is not a Property Key or a Private Name');
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}
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if (typeof closure !== 'function') {
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throw new $TypeError('Assertion failed: `closure` is not a function');
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}
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if (typeof enumerable !== 'boolean') {
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throw new $TypeError('Assertion failed: `enumerable` is not a Boolean');
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}
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// 1. Assert: homeObject is an ordinary, extensible object with no non-configurable properties.
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if (!IsExtensible(homeObject)) {
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throw new $TypeError('Assertion failed: `homeObject` is not an ordinary, extensible object, with no non-configurable properties');
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}
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// 2. If key is a Private Name, then
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// a. Return PrivateElement { [[Key]]: key, [[Kind]]: method, [[Value]]: closure }.
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// 3. Else,
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var desc = { // step 3.a
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'[[Value]]': closure,
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'[[Writable]]': true,
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'[[Enumerable]]': enumerable,
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'[[Configurable]]': true
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};
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DefinePropertyOrThrow(homeObject, key, desc); // step 3.b
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};
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