fix: linter warnings

frontend/src/reducers/index.js

@@ -1,5 +1,5 @@
-import {combineReducers} from 'redux'
+import { combineReducers } from 'redux';
 
-import login from './login'
+import login from './login';
 
-export default combineReducers({login})
+export default combineReducers({ login });

frontend/src/reducers/login.js

@@ -1,20 +1,20 @@
-const initialState = null
+const initialState = null;
 
 export function login(user) {
-  return {type: 'LOGIN.LOGIN', payload: {user}}
+  return { type: 'LOGIN.LOGIN', payload: { user } };
 }
 
 export function logout() {
-  return {type: 'LOGIN.LOGOUT'}
+  return { type: 'LOGIN.LOGOUT' };
 }
 
 export default function loginReducer(state = initialState, action) {
   switch (action.type) {
     case 'LOGIN.LOGIN':
-      return action.payload.user
+      return action.payload.user;
     case 'LOGIN.LOGOUT':
-      return null
+      return null;
     default:
-      return state
+      return state;
   }
 }