The config migration was small. Preserving the package contract was the interesting part. Hoi hoi! 👋 I'm @nyaomaru , a frontend engineer who enjoyed looking for fungus this season. 😸🍄 Recently, I migrated its build setup from tsup to tsdown . At first, I expected this to be a very small task. Just remove tsup . Just install tsdown . Just change the config. Run the build. Done! 🎉 And honestly... The config migration was small. But there was one interestin...