I create a ReactJS project with the create-react-app
package and that worked well, but I cannot find webpack files and configurations.
How does react-cr
If you want to find webpack files and configurations go to your package.json file and look for scripts
You will find that scripts object is using a library react-scripts
Now go to node_modules and look for react-scripts folder react-script-in-node-modules
This react-scripts/scripts and react-scripts/config folder contains all the webpack configurations.