The team was able to get this massive UI rewrite done in under two weeks, the updated code was better than the original code
jodacola on Hacker News
hundreds of thousands of lines of old hand-written over-abstracted code
In the thread “Ask HN: Do you have any evidence that agentic coding works?”
Helped: Curated sub-agents, detailed build workflows, and manual code review.
… Another example: one of my teams went on a journey to convert one of our internal legacy frontend applications to a newer shared component library and eliminate old cruft that we inherited when we inherited the codebase. The team was able to get this massive UI rewrite done in under two weeks, the updated code was better than the original code (it was all React to React, TypeScript to TypeScript), and we eliminated (literally) hundreds of thousands of lines of old hand-written over-abstracted code. Bundle sizes dramatically down, higher performance, more modern UX, and the thing is in production and working. …