Function parseNonNegativeIntegerHeader

src/upload-stream.ts:254–259

(value: string | string[] | undefined)

}

function parseNonNegativeIntegerHeader(value: string | string[] | undefined): number | undefined {
  const raw = firstHeaderValue(value);
  if (raw === undefined) return undefined;
  const parsed = Number(raw);
  return Number.isSafeInteger(parsed) && parsed >= 0 ? parsed : undefined;
}

function firstHeaderValue(value: string | string[] | undefined): string | undefined {
  return Array.isArray(value) ? value[0] : value;