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Type Narrowing at I/O Boundaries
A type system is strong inside the application, but external input still needs to be narrowed and validated early. This guide explains the boundary strategy.
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💬 Language
Defining the Boundary Between TypeScript and Runtime Schemas
TypeScript alone cannot protect external input. Teams need a clear boundary between static types and runtime validation.
💬 Language
Where Type Safety Ends and Runtime Validation Begins
Strong type systems do not remove the need for validation. This guide explains how production teams should divide responsibility between types and runtime checks.