Now we can write React with jsx code. I am truly satisfied with their quality of service. Remember, we're moving an existing legacy webpack project to Vite. Templates let you quickly answer FAQs or store snippets for re-use. Configuration. Then we can use it like this in a React app: Camel case gives us the ability to write our CSS rules like this: This section is where we configure (as the name implies) plugins. mode tells Webpack this configuration will be for either development or production. Start by running this process: Doing so creates a starter package and creates a package.json file as well. Behind the scenes, webpack actually "transpiles" the code so that older browsers can also run it. If your total stylesheet volume is big, it will be faster because the CSS bundle is loaded in parallel to the JS bundle.. First, we need to install webpack and webpack-cli: npm install -D webpack webpack-cli. In terminal, if you are still in build-utils directory, go up one level to the root of the project, then delete the previous Webpack configurations and create a new Webpack configuration. (Refer to the docs for more options). First of all, we must create a folder to save the source code of our project. To install this loader, we need to run the following command: npm install --save-dev babel-loader babel-core babel-preset-env yarn add -D babel-loader babel-core babel-preset-env. Open webpack.dev.js and copy the following: This is the same concept as with the previous file. Webpack is a powerful bundling tool for your front-end applications. Remember our configuration in .babelrc? Notice at the end of the GIF I am highlighting the bundled JavaScript file Webpack generated for us, and as we indicated in the configuration, the filename has a unique hash, bundle.d505bbab002262a9bc07.js. No. Is webpack an absolute must for creating React apps? Now, with a command line open at the root of your existing web application, you need to enter a couple of commands to bring babel in to your app. Very professional, Accurate and Efficient team despite all the changes I had them do. As discussed above, loaders are an essential part of React Webpack as they can be used for compiling complex JSX files to browser understandable JavaScript files. For this project, we will follow the default options. In this configuration we are asking webpack to read the App.js file where we are going to have the react.js application and that when it does all its actions, create for us the app.bundle.js file in the dist folder. So an easy to run test suite is a requirement for any project I work on. The configuration has so many features that you can overlook some of the best ones for utilizing Webpack to increase the speed of React apps. All the dependencies needed to build your App will be listed here. This loader let us convert the code .js ES-2017 to code that the majority of browsers can run. Let's remove the lodash