// Create new property with getter and setter Object.defineProperty(target, key, { get: getter, set: setter, enumerable: true, configurable: true }); } class Person { @logProperty public name: string; constructor(name : string) { this.name = name; } } const p1 = new Person("semli...
1.object 类型 object 类型是:TypeScript 2.2 引入的新类型,它用于表示非原始类型。 2.Object 类型 Object 类型:它是所有 Object 类的实例的类型,它由以下两个接口来定义: Object 接口定义了 Object.prototype 原型对象上的属性; ObjectConstructor 接口定义了 Object 类的属性。 Object 类的所有实例都继承了 Objec...
例如: /*** Parses a JSON file.** @param path - Full path to the file.* @returns An object containing the JSON data.** @example Parsing a basic JSON file** # Contents of `file.json`* ```json* {* "exampleItem": "text"* }* ```** # Usage* ```ts* const result = parseF...
console.log(`Set: ${key} => ${newVal}`); this[backingField] = newVal; }; // Create new property with getter and setter Object.defineProperty(target, key, { get: getter, set: setter, enumerable: true, configurable: true }); } class Person { @logProperty public name: string; constr...
A naive bundler might always create a function to establish scope for every module, and place exports on a single object. It might look something like the following: Copy // Runtime helpers for bundle:functionregister(moduleName,module) {/*...*/}functioncustomRequire(moduleName) {/*...*/...
object 看图可以发现,当赋值给object的类型为number、string、boolean时都会报错,而null和undefined因为我关闭了严格模式所以不会报错。 所以object 的引入就是为了解决对 Object 类型的错误使用,它代表所有非原始类型的类型,即数组、对象与函数类型这些 代码语言:javascript 代码运行次数:0 运行 AI代码解释 const tmp1:...
classifiableNames = createMap<string>(); symbolCount = 0; skipTransformFlagAggregation = file.isDeclarationFile; Symbol = objectAllocator.getSymbolConstructor(); if (!file.locals) { bind(file); file.symbolCount = symbolCount; file.classifiableNames = classifiableNames; ...
props: { // 配置对象 config: { type: Object, default: () => { return {}; } } }, data: () => { return { // 默认配置 defaultConfig: { // 默认的字体颜色 textColor: '#333333', // 高亮字体颜色 activeTextColor: '#f94d2a', // 下划线宽度 px underLineWidth: 24, // 下划线高度...
{ type: Object as PropType<Tag>, require: true, }, loading: { type: Boolean, require: true, } }, emits: ["close",], watch: { '$props.visible': { handler(val: Boolean, oldVal: Boolean) { if (val !== oldVal) { this.state.visible = val } if (val) { this. = this.$...
function returnsObj(): { x : number, y : {z : number} } { return null } function anotherObjectReturned(): {x : number, y : {z : number} } { return null } In the example below, a type alias MyNewAlias is extracted from the { z: number } type declaration: type MyNewAlias ...