Bundling works better with ES6 modules. Compare the experience of using, say, browserify to rollup/esbuild. Plus, with ES6 modules, you can do bundling for your

Bundling works better with ES6 modules. Compare the experience of using, say, browserify to rollup/esbuild. Plus, with ES6 modules, you can do bundling for your release builds, and do your development work directly with the original source files.