Function checkFileUrl

src/chat.ts:708–717

(fileUrl: string)

}

async function checkFileUrl(fileUrl: string) {
  if (isBASE64Data(fileUrl)) return;
  const response = await fetch(fileUrl, { method: "HEAD" });
  if (response.status >= 400) throw new Error(`File ${fileUrl} is not valid: [${response.status}] ${response.statusText}`);
  const contentLength = response.headers.get("content-length");
  if (contentLength) {
    const fileSize = parseInt(contentLength, 10);
    if (fileSize > FILE_MAX_SIZE) throw new Error(`File ${fileUrl} exceeds size limit`);
  }
}

async function uploadFile(fileUrl: string, refreshToken: string, isVideoImage = false) {
  await checkFileUrl(fileUrl);