How CASL.js Handles Permissions Like a Pro (Full Guide for Developers)

Description

CASL.js is one of the most powerful authorization libraries for JavaScript and TypeScript. In this video, we’ll break down exactly how CASL works — from defining abilities to enforcing permissions in both frontend and backend applications. You’ll learn: What CASL is and why it’s used Key concepts: Actions, Subjects, Conditions, and Abilities How to protect routes, components, and database queries Real-world examples for React, Node.js, and TypeScript If you’re building full-stack apps and want fine-grained access control beyond simple roles — this video is for you. #CASLjs #Authorization #JavaScript #TypeScript #RBAC #AccessControl #WebSecurity #FullStackDevelopment