NPM install as well as JS, SASS and purgeCss compilation are triggered when the the ASP.net solution is built.
dotnet watch
or
CTRL-F5 or F5
npm install
npm run dev
npm run build
npm run preview
npm run purgecss
npm run watch
Config with Bootstrap 5 whitelisting dynamic css classes.
Thanks to swildermuth for his explanation on this great Youtube video