Method upsert

packages/liveblocks-react/src/ThreadDB.ts:109–131

Adds or updates a thread in the DB. If the newly given thread is a deleted one, it will get deleted.

(thread: ThreadDataWithDeleteInfo<TM, CM>)

  /** Adds or updates a thread in the DB. If the newly given thread is a deleted one, it will get deleted. */
  public upsert(thread: ThreadDataWithDeleteInfo<TM, CM>): void {
    this.signal.mutate(() => {
      thread = sanitizeThread(thread);

      const id = thread.id;

      const toRemove = this.#byId.get(id);
      if (toRemove) {
        // Don't do anything if the existing thread is already deleted!
        if (toRemove.deletedAt) return false;

        this.#asc.remove(toRemove);
        this.#desc.remove(toRemove);
      }

      if (!thread.deletedAt) {
        this.#asc.add(thread);
        this.#desc.add(thread);
      }
      this.#byId.set(id, thread);
      return true;
    });
  }

  /** Like .upsert(), except it won't update if a thread by this ID already exists. */
  // TODO Consider renaming this to just .upsert(). I'm not sure if we really