Method #initialize

pool.ts:190–212

* Initialization will create all pool clients instances by default * * If the pool is lazily initialized, the clients will connect when they * are requested by the user, otherwise they will all connect on initialization

()

   * are requested by the user, otherwise they will all connect on initialization
   */
  async #initialize() {
    const initialized = this.#lazy ? 0 : this.#size;
    const clients = Array.from({ length: this.#size }, async (_e, index) => {
      const client: PoolClient = new PoolClient(
        this.#connection_params,
        () => this.#available_connections!.push(client),
      );

      if (index < initialized) {
        await client.connect();
      }

      return client;
    });

    this.#available_connections = new DeferredAccessStack(
      await Promise.all(clients),
      (client) => client.connect(),
      (client) => client.connected,
    );

    this.#ended = false;
  }
  /**
   * This will return the number of initialized clients in the pool
   */