You're kind of stretching the definition of "code production" and including effectively-deprecated features: https://www.typescriptlang.org/docs/handbook/enums.

You're kind of stretching the definition of "code production" and including effectively-deprecated features: https://www.typescriptlang.org/docs/handbook/enums.html#objects-vs-enums https://www.typescriptlang.org/docs/handbook/enums.html#obje... Turning `export function a(){}` into `exports.a = function a(){}` hardly qualifies as generated code, much less "slower than hand-written"