- install Node (any reasonably modern version will do as long as it comes with NPM)
- run
npmoryarn(if you use Yarn)
- run
npm run buildoryarn build- this will transpile/bundle/minify a simple JS app and inline it into an HTML file (../test_runner/src/main/resources/inline.html)
- run
npm run startoryarn start- this should serve the app with test data and reload whenever source files change.