【发布时间】:2023-02-21 07:19:21
【问题描述】:
你好,我创建了一个应用程序,可以很好地创建用户、获取用户、添加帖子、反应、删除帖子。现在我想将 AUTH 添加到我的应用程序中。但我很困惑如何保持状态、添加缩减器、操作和初始化这样的状态。
我在这里分享一些代码:
import { LOCAL_LOGIN, LOGIN, SIGN_OUT} from '../types';
const initialState = {
user:null,
token:null,
is_logged_in:false
};
const LoginReducer = (state = initialState, action) => {
switch(action.type) {
case LOGIN:
return {
...state,
user:action.payload.data,
token:action.payload.access_token,
is_logged_in:true,
};
case LOCAL_LOGIN:
return{
...state,
user:action.payload.data,
token:action.payload.access_token,
is_logged_in:true,
}
case SIGN_OUT:
return{
...state,
user:null,
is_logged_in:false
}
default:
return state;
}
}
export default LoginReducer;
这工作正常。这是我的新代码
/// apiSlice.js
import {
createApi,
fetchBaseQuery
} from "@reduxjs/toolkit/query/react";
export const apiSlice = createApi({
reducerPath: "api",
baseQuery: fetchBaseQuery({
baseUrl: "https://ab91-203-82-55-110.ngrok.io/"
}),
tagTypes: ['Post', 'User'],
endpoints: builder => ({})
});
/// postSlice.js
import {
createSelector,
createEntityAdapter
} from "@reduxjs/toolkit";
import { apiSlice } from "../api/apiSlice";
const usersAdapter = createEntityAdapter()
const initialState = usersAdapter.getInitialState()
export const usersApiSlice = apiSlice.injectEndpoints({
endpoints: builder => ({
getUsers: builder.query({
query: () => '/users',
transformResponse: responseData => {
return usersAdapter.setAll(initialState, responseData)
},
providesTags: (result, error, arg) => [
{ type: 'User', id: "LIST" },
...result.ids.map(id => ({ type: 'User', id }))
]
}),
getUserByUserId: builder.query({
query: id => `users/${id}`,
})
})
})
export const { useGetUsersQuery, useGetUserByUserIdQuery } = usersApiSlice
// returns the query result object
export const selectUsersResult = usersApiSlice.endpoints.getUsers.select()
// Creates memoized selector
const selectUsersData = createSelector( selectUsersResult,usersResult => usersResult.data)
//getSelectors creates these selectors and we rename them with aliases using destructuring
export const {
selectAll: selectAllUsers,
selectById: selectUserById,
selectIds: selectUserIds
// Pass in a selector that returns the posts slice of state
} = usersAdapter.getSelectors(state => selectUsersData(state) ?? initialState)
同样有userSlice.js
我的目标是添加 AuthSlice 和自定义减速器,当我调用登录时,状态将被初始化,这是我尝试做的。
import { createSlice, createSelector,createEntityAdapter } from "@reduxjs/toolkit";
const usersAdapter = createEntityAdapter()
const initialState = usersAdapter.getInitialState({
user: null,
is_logged_in:false,
token:null
})
export const loginSlice = createSlice({
initialState,
name: 'userSlice',
reducers: {
logout: () => initialState,
setUser: (state, action) => {
state.user = action.payload.user,
state.token = action.payload.token,
state.is_logged_in = true
},
},
});
export default loginSlice.reducer;
export const { logout, setUser } = loginSlice.actions;
但我很困惑我怎么称呼那里的减速器。
【问题讨论】:
标签: reactjs react-native react-redux redux-toolkit rtk-query