class MyEvent {
  static list = []
  add(name, call) {
    MyEvent.list.push({ name, call })
  }
  remove(name, call) {
    MyEvent.list = MyEvent.list.filter(item => item.name != name && item.call != call)
  }
  emit(name, data) {
    MyEvent.list.forEach(item => {
      if (item.name == name) item.call(data)
    })
  }
}
export default new MyEvent()