error-handling-patterns

Robust TypeScript error handling uses structured error hierarchies and maps errors to safe HTTP responses with clear user messages, preventing error disclosure vulnerabilities and ensuring consistent management across application layers.

Implementing Result types in TypeScript allows you to return explicit success or error states from functions, enabling error-free control flow that the HTTP handler can then map to an appropriate response without relying on exceptions.

Mapping errors to safe HTTP responses involves utilizing a structured error hierarchy and translating those errors into HTTP responses with clear user messages, preventing error disclosure vulnerabilities while ensuring consistent handling across layers.

A structured error hierarchy in TypeScript provides clarity and maintainability for error management, allowing you to create use cases that handle errors gracefully and return a Result type for consistent mapping to safe HTTP responses.

Preventing error disclosure vulnerabilities requires mapping errors to safe HTTP responses with clear user messages, ensuring that internal application errors are caught by a structured hierarchy and securely translated for the client.