Function touchThread

examples/ts-react-chat/src/routes/threads.tsx:209–224

(id: string, title?: string)

  /** Bump recency, and set the title the first time a thread gets one. */
  const touchThread = (id: string, title?: string) => {
    commit(
      threadsRef.current.map((t) =>
        t.id === id
          ? {
              ...t,
              updatedAt: Date.now(),
              title:
                title && t.title === NEW_CHAT_TITLE
                  ? truncateTitle(title)
                  : t.title,
            }
          : t,
      ),
    )
  }

  return { threads, loaded, createThread, deleteThread, touchThread }
}