runtime validation
TypeScript in Production notes about runtime validation
Choose execution and state ownership
Choose TypeScript or Python for a Backend Service: Workload, Contracts, and Ownership
Choose the language around the service’s defining dependencies, then account for runtime validation, contract ownership, and the cost of operating another service.
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.
