Function getTopicRootIdFromReplyHeader

dme/dme.ts:534–548

* 从回复头中提取 topic root id

(replyTo: any)

    replyTo.replyToMsgId,
    replyTo.replyToMsg?.id,
  ];
  for (const candidate of candidates) {
    if (typeof candidate === "number" && Number.isFinite(candidate) && candidate > 0) {
      return candidate;
    }
  }
  return undefined;
}

function getTopicRootIdFromMessage(message: any): number | undefined {
  return getTopicRootIdFromReplyHeader(message?.replyTo);
}

function isMessageInTopic(message: any, topicRootId?: number): boolean {
  if (typeof topicRootId !== "number") return true;
  return getTopicRootIdFromMessage(message) === topicRootId;
}