Class EventDispatcher<TEventMap>

Example

interface MyEventMap {
  start: {
    message: string
  }
}
// 将事件添加到自定义对象
class Car extends EventDispatcher<MyEventMap> {
  start() {
    this.dispatchEvent({type: 'start', message: 'vroom vroom!'});
  }
}
// 订阅事件
const car = new Car();
car.addEventListener('start', (event) => {
  console.log(event.message);
});
car.start();
Copy