Refactoring to React Hooks you own this product

basics of JavaScript • basics of frontend development workflow and tooling • basics of React • basics of modern frontend development
skills learned
creating React components with state • fetching data with React Hooks • handling complex state changes with React Hooks • handling application’s state with React Context API • mocking API data in the frontend
Valentino Gagliardi
5 weeks · 7-10 hours per week · INTERMEDIATE

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With a brand new grant from the finance department, biotech company SphereCell has hired a new frontend web developer — you! Your boss wastes no time laying out your first project: completely refactor SphereCell’s sales trends dashboard.

The goals of this refactoring are to modernize the dashboard, reduce technical debt with future-proof code, and improve its maintainability. Your boss has also mentioned that SphereCell will soon need another new dashboard for an upcoming subscription service, so you’ve decided to use React Hooks to ensure the work you do will be easily reusable.

Your challenges will include migrating the existing codebase and data fetching logic to React Hooks, move the application’s state to the React Context API, and make sure everything is robust and working with automated tests.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

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project author

Valentino Gagliardi
Valentino Gagliardi is a freelance consultant with many years of experience in the IT industry. He spent the last 8 years as a front-end consultant, providing advice and help, coaching and training on JavaScript and React. He worked as an instructor for many training agencies around the country, running in-person workshops and creating learning paths for aspiring developers. Author of "The Little JavaScript Book", he loves to share his knowledge on his blog with tutorials reaching over 100k monthly visits. Avid Django user, he is active in the Python community as a speaker, and as a coach for Django Girls.


This liveProject is for intermediate web developers and frontend engineers seeking to learn more about React Hooks, and the React Context API. To begin this liveProject, you will need to be familiar with:

  • Basics of JavaScript
  • Basics of frontend development workflow and tooling
  • Basics of React
  • Basics of modern frontend development


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