Unlock the Power of Create React App 4.0.0

Are you tired of tedious setup and configuration when building single-page React applications? Look no further! Create React App 4.0.0 is here, and it’s packed with exciting features to revolutionize your development experience.

Simplified Setup with No Configuration

Create React App is the recommended way to create single-page React applications (SPAs). With its modern build setup, you can bootstrap a modern React app with a single command, eliminating the need for tedious configuration. Whether you’re using npm or yarn, you can get started with ease.

Fast Refresh: The Future of Hot Reloading

Say goodbye to hot reloading and hello to Fast Refresh, the official React implementation that allows you to edit a React component in a running app without losing its state. This game-changing feature enables you to tweak React components in real-time, making development faster and more efficient.

New JSX Transform and TypeScript Support

Create React App 4.0.0 introduces support for the new JSX transform, which brings significant improvements to React. With this update, you can use JSX without importing React, reducing your app bundle size and improving performance. Additionally, TypeScript 4.1.0 is now supported, providing a seamless development experience.

ESLint 7 Support and Customizable Linting

Stay on top of errors and coding styles with ESLint 7 support in Create React App 4.0.0. This update brings new rules for import/no-anonymous-default-export, Jest, and React testing library, ensuring your code is error-free and follows best practices. You can also extend or customize ESLint rules to fit your needs.

Other Notable Changes

Create React App 4.0.0 also brings several other notable changes, including:

  • Dropped support for the typescript flag and NODE_PATH
  • Upgraded Jest to 26
  • Dropped support for Node 8
  • Switched to the Workbox injectManifest plugin and made PWA templates independent in their own repository

Seamless Migration and More

Migrating to Create React App 4.0.0 is a breeze, with a simple command to update your project. Want to learn more about this version? Check out the detailed documentation for more information.

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