Function parseDataUrl

ai/ai.ts:621–627

(
  url: string,
)

const parseDataUrl = (
  url: string,
): { mimeType: string; data: Buffer } | null => {
  const match = url.match(/^data:([^;]+);base64,(.+)$/);
  if (!match) return null;
  return { mimeType: match[1], data: Buffer.from(match[2], "base64") };
};

const normalizeDownloadedMedia = async (
  downloaded: any,
): Promise<Buffer | null> => {