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Lab | Refactoring to Functional Components and Migrating React Router DOM

Introduction

In this lab, you will practice modernizing a React application by refactoring class-based components into functional components. This will help you leverage React Hooks, improve code readability, and prepare your projects for the future of React development. Additionally, as a bonus, you will migrate the project from React Router DOM v5 to v6 to take advantage of the latest routing features.

After completing this lab, you will be able to:

  • Refactor React class-based components to functional components.
  • Utilize hooks like useState and useEffect to manage state and side effects.
  • Migrate an application from React Router DOM v5 to v6.

Requirements

  • Fork this repo
  • Clone this repo

Submission

  • Upon completion, run the following commands:

    git add .
git commit -m "done"
git push origin master

  • Create a Pull Request and submit it to the submission field in Student Portal.

Introduction

React is evolving, and functional components with hooks are now the go-to approach for building React applications. In this lab, you'll refactor an existing project that uses class components to the functional component style. This will give you hands-on experience working with hooks and improving the modernity of the codebase.

To take it a step further, you'll also migrate React Router DOM from version 5 to version 6, which brings cleaner, more intuitive routing syntax.

The skills you will learn here are crucial as you continue building modern, scalable web applications.

Starter Code

The starter code provided contains a skeleton of a basic React app. This app includes multiple class-based components and uses React Router DOM version 5. Your task will be to refactor the components and upgrade the routing to the latest standards.

Iterations

Iteration 1: Refactor to Functional Components

In this iteration, you are expected to:

  • Refactor all class-based components in the starter code to functional components.
  • Use useState for state management where applicable.
  • Use useEffect for lifecycle methods such as componentDidMount and componentDidUpdate.

Iteration 2: Migrate React Router DOM v5 to v6

Once the components are refactored to functional components, it's time to upgrade the routing system. In this iteration, you will:

  • Install react-router-dom@6.
  • Refactor the existing routes to match the new syntax used in React Router DOM v6, such as replacing Switch with Routes, and updating how Route components work.

You can refer to the official React Router DOM v6 migration guide to help you through the changes.


Happy coding! ❤️