npm run build creates a build directory with a production build of your app. Inside the build/static directory will be your JavaScript and CSS files. Each filename inside of build/static will contain a unique hash of the file contents. This hash in the file name enables long term caching techniques.

Mar 6, 2018 · From the terminal, run npm run build, which should produce the single JS bundle comprising React library code and your application code, ready to drop in as a single <script> reference as needed (as well as chunked build output from standard react-scripts build).

Feb 5, 2021 · The package Create React App makes creating and developing React apps a breeze. It is one of the easiest ways to spin up a new React project and is an ideal choice to use for your own personal projects as well as for serious, large-scale applications...

Mar 10, 2018 · When you run npm run build you create a build directory with a production build of your app. After running the command above the next thing you can do to check the build version of your app is to to install serve to serve your status site on the port 5000 by default.

When you’re ready to deploy to production, create a minified bundle with npm run build. You don’t need to install or configure tools like webpack or Babel. They are preconfigured and hidden so that you can focus on the code. Create a project, and you’re good to go.

Jan 6, 2017 · With react-scripts >= 4.0.2, this is officially supported: By default, Create React App will output compiled assets to a /build directory adjacent to /src. You may use this variable to specify a new path for Create React App to output assets. BUILD_PATH should be specified as a path relative to the root of your project. "scripts": {

npm run build creates a build directory with a production build of your app. Set up your favorite HTTP server so that a visitor to your site is served index.html, and requests to static paths like /static/js/main..js are served with the contents of the /static/js/main..js file.

Apr 15, 2020 · Learn how to bundle all the JavaScript and CSS files generated by the React App build and combine them into a single file. When you create a production build for your React App, the output folder contains the main index.html file and associated JavaScript and CSS files are added in the /static/js and /static/css folders respectively.

Start by including three scripts, the first two let us write React code in our JavaScripts, and the third, Babel, allows us to write JSX syntax and ES6 in older browsers.

Jun 8, 2023 · Under the hood, Create React App uses webpack to generate the production builds. webpack is a module bundler that can process Javascript files and understand the modules that are imported within them to bundle them together in a single output file.