[+] Create method to check if the courses are ready

src/components/app/app.ts

@@ -83,6 +83,21 @@ export default class App extends Vue
         });
     }
 
+    /**
+     * Are assignments ready or not
+     *
+     * @returns boolean Ready or not
+     */
+    private isAssignmentsReady(): boolean
+    {
+        for (const course of this.courses)
+        {
+            if (course.assignments == null) return false;
+        }
+
+        return true;
+    }
+
     /**
      * This is called when a navigation tab is clicked
      *