This is how I move fast and break nothing. By having fullstack type-safety from database all the way to the frontend with auto-completion. My current stack:
+ SvelteKit (could be Next, Nuxt, Solid or any other TypeScript framework)
+ tRPC (typed calls between frontend and backend, https://trpc.io)
+ SvelteKit (could be Next, Nuxt, Solid or any other TypeScript framework)
+ tRPC (typed calls between frontend and backend, https://trpc.io)
+ trpc-sveltekit (glues SvelteKit and tRPC, https://github.com/icflorescu/trpc-sveltekit)
+ Prisma (ORM, https://www.prisma.io)