It started out as one of his projects - an experiment to see if esbuild and native JS modules support in browsers could be used for development instead of webpa

It started out as one of his projects - an experiment to see if esbuild and native JS modules support in browsers could be used for development instead of webpack. It's become it's own project and has a large plugin ecosystem. The project doesn't involve vue, although it's the currently prescribed way to build vue projects now.