Method setup

lib/Server.js:3525–3577

* @private * @returns {Promise }

()

   * @returns {Promise<void>}
   */
  async setup() {
    await this.normalizeOptions();

    if (this.options.ipc) {
      const { default: net } = await import("node:net");

      await /** @type {Promise<void>} */ (
        new Promise((resolve, reject) => {
          const socket = new net.Socket();

          socket.on(
            "error",
            /**
             * @param {Error & { code?: string }} error error
             */
            (error) => {
              if (error.code === "ECONNREFUSED") {
                // No other server listening on this socket, so it can be safely removed
                fs.unlinkSync(/** @type {string} */ (this.options.ipc));

                resolve();

                return;
              } else if (error.code === "ENOENT") {
                resolve();

                return;
              }

              reject(error);
            },
          );

          socket.connect(
            { path: /** @type {string} */ (this.options.ipc) },
            () => {
              throw new Error(`IPC "${this.options.ipc}" is already used`);
            },
          );
        })
      );
    } else {
      this.options.host = await Server.getHostname(
        /** @type {Host} */ (this.options.host),
      );
      this.options.port = await Server.getFreePort(
        /** @type {Port} */ (this.options.port),
        this.options.host,
      );
    }

    await this.initialize();
  }

  /**
   * @private