Validate data at runtime and across boundaries
TypeScript in Production notes about Validate data at runtime and across boundaries
Validate data at runtime and across boundaries
Model a TypeScript API Contract: Requests, Responses, and the Network Boundary
Define one user-update contract for a handler and client, then check actual request and response data before trusting its types.
Validate data at runtime and across boundaries
What TypeScript Checks Before Production—and What It Leaves to Runtime
TypeScript catches certain mismatches before code runs, but its types disappear from the JavaScript that handles real inputs.


