相关疑难解决方法(0)

有没有一种方法可以使以下工作无需在子类中定义一个实现，它只是调用超类或不必要地重复非专用签名？

class Emitter {
    on(name: 'one', handler: (value: number) => void): void;
    on(name: string, handler: (...args: any[]) => void): void;
    on(name: string, handler: (...args: any[]) => void): void { 
        // do stuff
    }
}


class Subclass extends Emitter {
    on(name: 'two', handler: (value: string) => void): void;
    on(name: string, handler: (...args: any[]) => void): void;
    // error no implementation specified
}


interface IEmitter {
    on(name: 'one', handler: (value: number) => void): void;
    on(name: string, handler: (...args: any[]) => void): void; …