Function forwardedSource

quote/quote.ts:368–383

(msg: Api.Message)

function fwdHeaderName(fwd: any): string | undefined {
  return fwd?.fromName || fwd?.from_name || fwd?.postAuthor || fwd?.post_author || undefined;
}

function fwdPeer(fwd: any): any | undefined {
  return fwd?.fromId ?? fwd?.from_id ?? fwd?.savedFromPeer ?? fwd?.saved_from_peer;
}

async function forwardedSource(msg: Api.Message): Promise<{ peer?: any; entity?: any; name?: string; anonymous: boolean } | undefined> {
  const fwd: any = (msg as any).fwdFrom || (msg as any).fwd_from;
  if (!fwd) return undefined;

  const client: any = (msg as any).client;
  const peer = fwdPeer(fwd);
  const headerName = fwdHeaderName(fwd);

  if (peer) {
    const entity = await getPeerEntity(client, peer);
    return { peer, entity, name: displayName(entity) || headerName || "Forwarded", anonymous: !entity && !!headerName };
  }