export function shouldCacheResponse(response: Response | null): boolean { if (!response) { return false; } const cacheControl = response.headers.get('Cache-Control') ?? ''; const pragma = response.headers.get('Pragma') ?? ''; const normalizedCacheControl = cacheControl.toLowerCase(); const normalizedPragma = pragma.toLowerCase(); if (normalizedCacheControl.includes('no-store') || normalizedCacheControl.includes('private')) { return false; } if (normalizedPragma.includes('no-cache')) { return false; } return true; }