Function prepareQuoteMedia

quote/quote.ts:661–676

(msg: Api.Message, args: QuoteArgs)

}

function voiceWaveform(msg: Api.Message): number[] | undefined {
  const attr = audioAttribute(msg);
  const raw = attr?.waveform;
  if (!raw) return undefined;
  let arr: number[];
  if (Array.isArray(raw)) arr = raw.map((x: any) => Number(x) || 0);
  else if (Buffer.isBuffer(raw) || raw instanceof Uint8Array) arr = Array.from(raw as Uint8Array).map((x) => Number(x) || 0);
  else return undefined;
  if (!arr.length) return undefined;
  return arr.map((x) => Math.max(0, Math.min(31, x)));
}

function getMediaKind(msg: Api.Message): string | undefined {
  const media: any = (msg as any).media;
  if (!media) return undefined;
  const cls = media.className || media.constructor?.name || "";
  const attrs = getDocumentAttributes(msg);
  if (attrs.some((a: any) => (a.className || "").includes("Sticker"))) return "sticker";
  if (attrs.some((a: any) => (a.className || "").includes("Animated")) || cls.includes("Dice")) return "animation";