mini-program-event-store/test/event-store-test.js

A small responsive system suitable for handling data responsive issues in mini program development

import { EventStore } from "../src/index.js";

const eventStore = new EventStore({
  state: {
    name: "why",
    friends: ["abc", "cba", "nba"],
    banners: [],
    recommends: [],
  },
  actions: {
    getHomeMultidata(ctx) {
      fetch("https://httpbin.org/post", {
        method: "POST",
        body: JSON.stringify({
          banners: ["流行", "新款", "推荐"],
          recommend: ["精选推荐", "品牌清仓"],
        }),
      })
        .then((response) => response.json())
        .then((res) => {
          const { banners, recommend } = JSON.parse(res.data);
          ctx.banners = banners;
          ctx.recommends = recommend;
        })
        .catch(() => {});
    },
  },
});

// 数据监听
eventStore.onState("name", (value) => {
  console.log("监听name:", value);
});

eventStore.onState("friends", (value) => {
  console.log("监听friends:", value);
});

eventStore.onState("banners", (value) => {
  console.log("监听banners:", value);
});

eventStore.onState("recommends", (value) => {
  console.log("监听recommends", value);
});

// 同时监听多个数据
eventStore.onStates(["name", "friends"], (value) => {
  console.log("监听多个数据:", value); // 数组类型
});

// 数据变化
setTimeout(() => {
  eventStore.setState("name", "lilei");
  eventStore.setState("friends", ["kobe", "james"]);
}, 1000);

eventStore.dispatch("getHomeMultidata");