Vuex mapGetters混入原理简单实现

Vuex mapGetters混入原理简单实现

Vuex mapGetters混入原理简单实现

const getters = {
  a: () => 1,
  b: () => 2,
  c: () => 3,
};
function add(key) {
  let obj = {};
  key.forEach((keys) => {
    if (!obj.hasOwnProperty(keys)) {
      obj[keys] = getters[keys];
    }
  });
  return obj;
}

export default {
  computed: {
    // ...mapGetters(["test"]),
    ...add(["a", "b"]),
  },
  mounted() {
    console.log(this.a);
  },
};