javascript - Aurelia的 View 模型类中是否有任何析构函数？

Aurelia的 View 模型类中是否有某些析构函数或Dispose方法？基本上我有以下代码:

import {apiFetchClient} from 'common/restClient/apiFetchClient';
import {json} from 'aurelia-fetch-client';
import {inject} from 'aurelia-framework';

@inject(apiFetchClient)
export class BetsList {

  constructor(apiFetchClient){
    var timer = setInterval(()=>this._fetchBets(), 1000);

    this.apiFetchClient = apiFetchClient;
    this.betSystems = [];
    this._fetchBets();
  }

  _fetchBets(){
    this.apiFetchClient
      .fetch('/bets')
      .then(response => response.json())
      .then(data => this.betSystems = data);
  }
}

当 View 即将被销毁时，我想杀死计时器。

最佳答案

将attached和detached view lifecycle挂钩添加到您的 View 模型，以选择在发生这些事件时被通知。

import {apiFetchClient} from 'common/restClient/apiFetchClient';
import {json} from 'aurelia-fetch-client';
import {inject} from 'aurelia-framework';

@inject(apiFetchClient)
export class BetsList {

  constructor(apiFetchClient){
    this.apiFetchClient = apiFetchClient;
    this.betSystems = [];
    this._fetchBets();
  }

  _fetchBets(){
    this.apiFetchClient
      .fetch('/bets')
      .then(response => response.json())
      .then(data => this.betSystems = data);
  }

  attached() {
    this.interval = setInterval(() => this._fetchBets(), 1000);
  }

  detached() {
    clearInterval(this.interval);
  }
}