If you've shipped a NativeScript app before, you know the backend story can get messy fast. You need typed contracts, clean API docs your mobile team can actually consume, and something that doesn't fall apart when you move between runtimes. DaloyJS handles all of that without making you feel like you're assembling IKEA furniture without the manual.
The Contract-First Win
The biggest win for a NativeScript setup is contract-first routing. You define a route once, and you automatically get Zod validation, OpenAPI 3.1 docs, and a fully typed Hey API client.
That last part is the important one: run pnpm gen and your NativeScript app gets a typed fetch SDK generated directly from your real spec, not some hand-maintained wrapper you'll forget to update three sprints from now. I've learned the hard way that stale API clients in mobile apps are a gift that keeps giving, and not in a good way.
Here's what a single route definition looks like. This one call is all you need to get validation, types, OpenAPI docs, and a client:
