Filter the components to be rendered based on the user’s permissions before the render cycle. True security relies on the backend only sending data/configuration the user is authorized for, but the frontend needs to display accordingly.

Methods:

  • Filter Configuration Array: Preferred for dynamic lists.
  • Conditional Rendering: Use && or ternary operators based on permission checks.
  • Higher-Order Component (HOC): Wrap components with a permission-checking HOC.

Simplified Example (Filtering Config):

// Assume:
// userPermissions = ['view_sales', 'edit_users'];
// allWidgets = [
// { id: 'sales', component: Sales, permission: 'view_sales' },
// { id: 'users', component: Users, permission: 'edit_users' },
// { id: 'admin', component: Admin, permission: 'admin_only' },
// ];
const authorizedWidgets = allWidgets.filter(widget => !widget.permission || userPermissions.includes(widget.permission)
);
// Then render:
// {authorizedWidgets.map(widget => <widget.component key={widget.id} />)}