Function handlePropertyResult

packages/zod/src/v4/core/schemas.ts:1750–1786

(
  result: ParsePayload,
  final: ParsePayload,
  key: PropertyKey,
  input: any,
  isOptionalIn: boolean,
  isOptionalOut: boolean
)

      >;

function handlePropertyResult(
  result: ParsePayload,
  final: ParsePayload,
  key: PropertyKey,
  input: any,
  isOptionalIn: boolean,
  isOptionalOut: boolean
) {
  const isPresent = key in input;
  if (result.issues.length) {
    // For optional-in/out schemas, ignore errors on absent keys.
    if (isOptionalIn && isOptionalOut && !isPresent) {
      return;
    }
    final.issues.push(...util.prefixIssues(key, result.issues));
  }

  if (!isPresent && !isOptionalIn) {
    if (!result.issues.length) {
      final.issues.push({
        code: "invalid_type",
        expected: "nonoptional",
        input: undefined,
        path: [key],
      });
    }
    return;
  }

  if (result.value === undefined) {
    if (isPresent) {
      (final.value as any)[key] = undefined;
    }
  } else {
    (final.value as any)[key] = result.value;
  }
}

export type $ZodObjectConfig = { out: Record<string, unknown>; in: Record<string, unknown> };