While I think webpack is a beast in its complexity, it and other bundlers can/do output based on the strategy you described. It emits entry point bundles, as w

While I think webpack is a beast in its complexity, it and other bundlers can/do output based on the strategy you described. It emits entry point bundles, as well as smaller chunks, many of which remain unchanged between releases. All of that gets pushed out. I think it works pretty well.