Project_hipstogram/src/reducers/index.js

import {createStore, applyMiddleware, combineReducers} from 'redux';
import thunk from 'redux-thunk';


function promiseReducer(state={}, {type,name,status,payload,error}){
    /* delay1000:{status, payload,error}
        delay2000: {status, payload,error}*/
        /* if(!state){
            delay1000:{status,payload,error}
            delay2000:{status,payload,error}
        } */
        if(type === 'PROMISE'){
            return{
                ...state,
                [name]:{status,payload,error}
            }
        }
        return state
  }
 

  
  function jwtDecode(token){
    try{
      let payload = JSON.parse(atob(token.split('.')[1]));
      return payload;
  } catch(e){
      
  }
  }

  function authReducer(state,{type, token}){
    if(state === undefined){
        if(localStorage.authToken){
            type = 'AUTH_LOGIN';
            token = localStorage.authToken
        }
    }
    if(type === 'AUTH_LOGIN'){
        let payload = jwtDecode(token);
        if(payload){
            localStorage.authToken = token;
            return {token,payload}
        }
    }
    if(type === 'AUTH_LOGOUT'){
        localStorage.authToken = '';
        return {};
    }
    return state || {};
  }
  
  const store = createStore(combineReducers({promise: promiseReducer, auth: authReducer}), applyMiddleware(thunk))
  store.subscribe(() => console.log(store.getState()));
  
export default store;