Fix blank screen when scopes not already defined (#42)

thameera · luisrudge · commit d6eaefa330e9 · 2017-12-15T10:20:15.000-02:00
diff --git a/04-Authorization/src/Auth/Auth.js b/04-Authorization/src/Auth/Auth.js
@@ -98,7 +98,7 @@ export default class Auth {
   }
 
   userHasScopes(scopes) {
-    const grantedScopes = JSON.parse(localStorage.getItem('scopes')).split(' ');
+    const grantedScopes = (JSON.parse(localStorage.getItem('scopes')) || '').split(' ');
     return scopes.every(scope => grantedScopes.includes(scope));
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -98,7 +98,7 @@ export default class Auth {`
`98`	`98`	`}`
`99`	`99`
`100`	`100`	`userHasScopes(scopes) {`
`101`		`- const grantedScopes = JSON.parse(localStorage.getItem('scopes')).split(' ');`
	`101`	`+ const grantedScopes = (JSON.parse(localStorage.getItem('scopes')) \|\| '').split(' ');`
`102`	`102`	`return scopes.every(scope => grantedScopes.includes(scope));`
`103`	`103`	`}`
`104`	`104`	`}`