declare class Person { public name: string;private age: number;constructor(name: string);getAge(): number;} const person = new Person('Mike');person.name; // => string person.age; // TS2341: Property 'age' is private and only accessible within class 'Person'.person.getAge(); // =...
OutputProperty'debug'intype'ConsoleLogger'isnotassignable to the same propertyinbase type'Logger'.Type'(message: number, metadata?: Record<string, unknown> | undefined) => void'isnotassignable to type'(message: string, metadata: Record<string, unknown>) =>...
strictPropertyInitialization设置控制类字段是否需要在构造函数中初始化。 class BadGreeter { name: string; //Property 'name' has no initializer and is not definitely assigned in the constructor. } class GoodGreeter { name: string; constructor() { this.name = "hello"; } } 请注意,该字段需要在构...
declare functionglobalFunc(params:globalFunc.params):void//类型兼容性declarenamespaceglobalFunc{constversion:string;interfaceparams{[key:string]:any}functiondosomething():void;} 这时候在 index.ts 文件里面使用就啥问题都没有了。注意虽然 namespace 被淘汰了,但是在声明文件中,declare namespace 还是比较常用...
css(propertyName: string): string; html(): string; } // 对模块 jquery 输出接口 declare module 'jquery' { // module 中要使用 export = 而不是 export default export = jQuery; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
declare class声明全局类 declare enum声明全局枚举类型 declare namespace声明(含有子属性的)全局对象 interface 和 type声明全局类型 export导出变量 export namespace导出(含有子属性的)对象 export defaultES6 默认导出 export =commonjs 导出模块 export as namespaceUMD 库声明全局变量 ...
declare function 声明全局方法 declare class 声明全局类 declare enum 声明全局枚举类型 declare namespace 声明(含有子属性的)全局对象 interface 和 type 声明全局类型 export 导出变量 export namespace 导出(含有子属性的)对象 export default ES6 默认导出 export = commonjs 导出模块 export as namespace UMD 库...
1、类装饰器 【 Class decorators 】 2、属性装饰器 【 Property decorators 】 3、方法装饰器 【 Method decorators 】 4、参数装饰器 【 Parameter decorators 】类装饰器1、类装饰器 声明 declare type ClassDecorator = <TFunction extends Function>( target: TFunction ) => TFunction | void; 2、类装饰...
declare class§当全局变量是一个类的时候,我们用 declare class 来定义它的类型7:// src/Animal.d.ts declare class Animal { name: string; constructor(name: string); sayHi(): string; } // src/index.ts let cat = new Animal('Tom'); 同样的,declare class 语句也只能用来定义类型,不能用来定义...
class Person { @property private name: string public constructor(name: string, private age: number) {this.name =name } @method public getInfo(): string {return`${this.name}, ${this.age}` } } let p=newPerson('bbb', 12) console.log(p.getInfo()) ...