Vuex - Normalizr无法正常工作

问题描述 投票:0回答:1

我正在创建一个简单的聊天应用。我有三个实体:房间,消息和用户。我有一个伪造的API,它会返回如下响应:

[{
  id: 1,
  name: 'room1',
  avatar: 'some img url',
  messages: [
      {
        id: 1,
        text: 'some text',
        user: {
          id: 1,
          username: 'Peter Peterson',
          avatar: 'some img url'
      }
  ]
 }]

我的行为看起来像这样:

getAllRooms({ commit }) {
  commit(GET_ALL_ROOMS_REQUEST);
  return FakeApi.getAllRooms()
    .then(
      rooms => {
        const { entities } = normalize(rooms, room);
        console.log(entities);
        commit(GET_ALL_ROOMS_SUCCESS, {
          rooms: entities.rooms, byId: rooms.map(room => room.id)
        });
        commit(GET_ALL_MESSAGES_SUCCESS, { messages: entities.messages });
        commit(GET_ALL_USERS_SUCCESS, { users: entities.users });
      },
      err => commit(GET_ALL_ROOMS_ERROR)
    )
}

我的突变看起来像这样:

[GET_ALL_ROOMS_REQUEST](state) {
  state.loading = true;
},
[GET_ALL_ROOMS_SUCCESS](state, payload) {
  state.rooms = payload.rooms;
  state.byId = payload.byId;
  state.loading = false;
},
[GET_ALL_ROOMS_ERROR]() {
  state.error = true;
  state.loading = false;
}

我的组件调用这样的动作:

{
  mounted() {
    this.getAllRooms();
  }
}

这些是我的架构定义:

const user = new schema.Entity('users');

const message = new schema.Entity('messages', {
  user: user
});

const room = new schema.Entity('rooms', {
  messages: [message]
})

当我在FakeApi.getAllRooms()之后检查then方法中的响应时,每个对象都包含在一些奇怪的Observer中,并且我将它传递给它以进行规范化和规范化返回一些奇怪的响应。

我究竟做错了什么?

vue.js vuex normalizr
1个回答
0
投票

问题不在于vuejs,而在于我制作normalizr模式的方式。因为我的响应是根目录下的数组,所以应该有一个新的rooms数组模式,如下所示:

const user = new schema.Entity('users');

const message = new schema.Entity('messages', {
  user: user
});

const room = new schema.Entity('rooms', {
  messages: [message]
});

const roomsSchema = [room];

然后像这样使用它:normalize(rooms, roomsSchema)

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