Function mergeThreads

apps/web/ui/ChannelView/index.tsx:454–491

({ from, to }: { from: string; to: string })

  }

  const mergeThreads = ({ from, to }: { from: string; to: string }) => {
    const source = threads.find((thread) => thread.id === from);
    const target = threads.find((thread) => thread.id === to);

    setThreads((threads) => {
      if (!source || !target) {
        return threads;
      }
      return threads
        .map((thread) => {
          if (thread.id === from) {
            return null;
          }
          if (thread.id === to) {
            return {
              ...thread,
              messages: [...thread.messages, ...source.messages].sort(
                (a, b) => {
                  return (
                    new Date(a.sentAt).getTime() - new Date(b.sentAt).getTime()
                  );
                }
              ),
            };
          }
          return thread;
        })
        .filter(Boolean) as SerializedThread[];
    });
    if (!source || !target) {
      return Promise.resolve();
    }
    return api.mergeThreadsRequest({
      from: source.id,
      to: target.id,
      communityId: currentCommunity.id,
    });
  };

  const moveMessageToThread = ({
    messageId,