Function downloadFileIfMissingOrChanged

quote/quote.ts:93–101

(url: string, filePath: string)

}


async function fetchToBuffer(url: string): Promise<Buffer> {
  const res = await fetch(url);
  if (!res.ok) throw new Error(`GET ${url} failed: ${res.status} ${res.statusText}`);
  return Buffer.from(await res.arrayBuffer());
}

async function downloadFileIfMissingOrChanged(url: string, filePath: string): Promise<void> {
  fs.mkdirSync(path.dirname(filePath), { recursive: true });
  const data = await fetchToBuffer(url);
  if (fs.existsSync(filePath)) {
    const old = fs.readFileSync(filePath);