diligent-react-native/store/reducers/user.js

import {createReducer} from '@reduxjs/toolkit'
import { setToken, setRefreshToken, authLoaded, logOut, setUsername, logInSuccess, setConnectionError } from "../actions/index";

export default createReducer({
  token: null,
  refreshToken: null,
  username: "",
  logInSuccess: "",
  connectionError: "",
  isAuthLoadedFromStorage: false
}, builder => {
  builder
    .addCase(setToken, (state, { payload }) => {
      state.token = payload
    })
    .addCase(setRefreshToken, (state, { payload }) => {
      state.refreshToken = payload
    })
    .addCase(authLoaded, (state) => {
      state.isAuthLoadedFromStorage = true
    })
    .addCase(logOut, (state) => {
      state.username = null;
      state.token = null;
      state.refreshToken = null;
    })
    .addCase(setUsername, (state, { payload }) => {
      state.username = payload
    })
    .addCase(logInSuccess, (state, { payload }) => {
      state.logInSuccess = payload
    })
    .addCase(setConnectionError, (state) => {
      state.connectionError = payload
    })
})