Method send

javascript/selenium-webdriver/bidi/index.js:251–277

* Sends a bidi request * @param params * @returns {Promise }

(params)

   * @returns {Promise<unknown>}
   */
  async send(params) {
    if (this._closed) {
      throw new Error('BiDi connection is closed')
    }
    if (!this.connected) {
      await this.waitForConnection()
    }
    // Defense in depth: even after waitForConnection() resolves, the socket
    // may have transitioned to CLOSING/CLOSED (e.g. caller closed the raw
    // socket). Refuse rather than throwing from inside ws.send().
    if (this._ws.readyState !== WebSocket.OPEN) {
      throw new Error('BiDi connection is not open')
    }

    const id = ++this.id

    this._ws.send(JSON.stringify({ id, ...params }))

    return new Promise((resolve, reject) => {
      const timeoutId = setTimeout(() => {
        this._pending.delete(id)
        reject(new Error(`Request with id ${id} timed out`))
      }, RESPONSE_TIMEOUT)

      this._pending.set(id, { resolve, reject, timeoutId })
    })
  }

  /**
   * Subscribe to events.