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Created by Utsav Chokshi
Learn how to structure React apps so that UI and business logic live in harmony. By the end, you’ll design smart-dumb components, extract reusable hooks and services, and write isolated unit tests that keep your codebase robust and maintainable.
8 modules • Each builds on the previous one
Recap why splitting presentation from business logic matters, relating it to testability and maintainability.
Introduce container (smart) components handling logic and presentational (dumb) components focusing on UI.
Show how to move business rules and side-effects into custom hooks, keeping UI lean.
Extract data fetching and transformation into standalone service files or classes.
Use Redux (or similar) selectors to keep UI ignorant of state shape and derivations.
Leverage React Context to inject dependencies (services, config) without coupling UI layers.
Demonstrate jest and testing-library techniques to mock custom hooks and service modules.
Write pure function tests for validation, computation, and selectors without React rendering.
Begin your learning journey
In-video quizzes and scaffolded content to maximize retention.