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normalizeError

API Docs

Function: normalizeError()

normalizeError(err): NormalizedError

Defined in: src/utilities/errors/errorTransformer.ts:57

Transforms various error types into a standardized NormalizedError format.

This function handles different error types that can occur in the application and converts them into a consistent format for error responses. It supports:

  • TalawaRestError (already normalized)
  • Fastify validation errors
  • Zod validation errors
  • Generic Error objects
  • Unknown error types

Parameters​

err​

unknown

The error to normalize (can be any type)

Returns​

NormalizedError

Normalized error with consistent structure

Example​

// TalawaRestError (already normalized)
const talawaError = new TalawaRestError({
  code: ErrorCode.NOT_FOUND,
  message: "User not found"
});
const normalized1 = normalizeError(talawaError);

const genericError = new Error("Something went wrong");
const normalized2 = normalizeError(genericError);
// Returns: { code: "internal_server_error", message: "Internal Server Error", statusCode: 500 }

// Zod validation error
const zodError = new ZodError([...]);
const normalized3 = normalizeError(zodError);
// Returns: { code: "invalid_arguments", message: "Invalid input", statusCode: 400, details: {...} }