Function hasRedirectHeaders

packages/next-routing/src/destination.ts:85–88

(headers: Record<string, string>)

 * Checks if headers contain redirect headers (Location or Refresh)
 */
export function hasRedirectHeaders(headers: Record<string, string>): boolean {
  const lowerCaseKeys = Object.keys(headers).map((k) => k.toLowerCase())
  return lowerCaseKeys.includes('location') || lowerCaseKeys.includes('refresh')
}