...Each time you hit save, changes hot reload and linting and automated tests run. One command line to check. All feedback is displayed on a single command line. No more JavaScript fatigue. Slingshot uses the most popular and powerful libraries for working with React. Working example app. The included example app shows how this all works together. Automated production build, to type npm run build to do it all. Run the automated build process, start up a webserver, and open the application in your default browser. When doing development with this kit, this command will continue watching all your files. ...