show user nickname in settings page

src/lib/userstate.js

@@ -1,23 +1,49 @@
 const tokenLocalStorageKey = 'lab_user_token';
+const userNameLocalStorageKey = 'lab_user_name';
+const userNickNameLocalStorageKey = 'lab_user_nickname';
 
 function getToken() {
     return localStorage.getItem(tokenLocalStorageKey);
 }
 
+function getUserName() {
+    return localStorage.getItem(userNameLocalStorageKey);
+}
+
+function getUserNickName() {
+    return localStorage.getItem(userNickNameLocalStorageKey);
+}
+
 function isUserLogined() {
     return !!getToken();
 }
 
-function updateToken(token) {
-    return localStorage.setItem(tokenLocalStorageKey, token);
+function updateToken(item) {
+    if (typeof(item) === 'string') {
+        return localStorage.setItem(tokenLocalStorageKey, item);
+    } else if (typeof(item) === 'object') {
+        localStorage.setItem(tokenLocalStorageKey, item.token);
+        localStorage.setItem(userNameLocalStorageKey, item.username);
+        localStorage.setItem(userNickNameLocalStorageKey, item.nickname);
+
+        return true;
+    } else {
+        return false;
+    }
 }
 
 function clearToken() {
-    return localStorage.removeItem(tokenLocalStorageKey);
+    localStorage.removeItem(tokenLocalStorageKey);
+    localStorage.removeItem(userNameLocalStorageKey);
+    localStorage.removeItem(userNickNameLocalStorageKey);
+
+    return true;
 }
 
 export default {
     getToken,
+    getUserName,
+    getUserNickName,
     isUserLogined,
     updateToken,
     clearToken