Step-By-Step Tutorial: Frontend Authorization with Next.js and CASL

The tutorial explores how to implement frontend authorization in a Next.js application using CASL and Permit.io's feature toggling library, specifically for managing user permissions without needing to develop a full authentication system. It guides users through setting up a basic supermarket loyalty program app that customizes content visibility based on user roles, utilizing predefined static users to simulate login and permissions. The process involves setting up a Next.js environment, creating a project with necessary dependencies, defining users and permissions, and integrating an authorization library to manage what content is displayed. The tutorial emphasizes using Permit.io's no-code solution to manage policies, explaining how to create roles and resources that dictate the app's behavior based on user permissions. Additionally, it provides instructions on rendering UI components conditionally based on the user's role and permissions, demonstrating how to achieve a controlled access environment efficiently and securely.

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