Upgrade React Version

Upgrading a React application involves updating the version of React and other related packages in our project.

we required a Node.js to be installed on our machine to run the update command in react project syntax: npm install react@latest

Check the Current React Version:

Before upgrading, check the current version of React in your `package.json` file. we'll find it listed under the dependencies section.

Example:

Update React Library Packages:

Command to update React and other related packages to the latest version:

Replace the `latest` tag in the below command with the desired version if you want to upgrade to a specific version.

Command:

Ensure that the new version is compatible with your application and other dependencies.

Update React Scripts Library (For Create React App Projects):

If you are using the Create React App, you may need to update the version of react-scripts in your package.json file.

Run the below command to update it.

Command:

Example: Above command will update dependencies in your package.json

The above command will update the `react-scripts` version to the latest in `package.json`.

Update Other Dependencies:

If you have other dependencies that are tightly coupled with React (React Router, Redux, react-router-dom, @reduxjs/toolkit), check their documentation for compatibility with the React version you've upgraded to.

Run your react application:

After making the necessary changes, run your application locally to check for any errors or warnings.

Command:

Test different parts of your application to ensure everything is working as expected.

Update Configuration Files:

If your project has configuration files related to build tools (e.g., "webpack", "Babel"), check if any updates or adjustments are needed based on the React version changes.

Test and Deploy:

Thoroughly test your application after the upgrade.

we can deploy the updated version to your production environment, once everything is working as expected.

Note:

After upgrading the project's dependencies, address any breaking changes, deprecations APIs or Methods or attributes, or warnings that appear in the console or build output. Update your code with new APIs, and methods to prevent warnings or patterns introduced in the newer version of React.

Update the documentation, guides, and README files to reflect the changes, new features, and best practices introduced in the upgraded React version. This helps your team and other developers understand the updates and adapt to the new version more effectively.