Method onLog

javascript/selenium-webdriver/bidi/logInspector.js:236–330

* Listen to any logs * @param callback * @param filterBy * @returns {Promise }

(callback, filterBy = undefined)

   * @returns {Promise<number>}
   */
  async onLog(callback, filterBy = undefined) {
    if (filterBy !== undefined && !(filterBy instanceof FilterBy)) {
      throw Error(`Pass valid FilterBy object. Received: ${filterBy}`)
    }

    let id
    if (filterBy !== undefined) {
      id = this.addCallback(LOG.TYPE_LOGS_FILTER, { callback: callback, filter: filterBy })
    } else {
      id = this.addCallback(LOG.TYPE_LOGS, callback)
    }

    this.ws = await this.bidi.socket

    this.ws.on('message', (event) => {
      const { params } = JSON.parse(Buffer.from(event.toString()))
      if (params?.type === 'javascript') {
        let jsEntry = new JavascriptLogEntry(
          params.level,
          params.source,
          params.text,
          params.timestamp,
          params.type,
          params.stackTrace,
        )

        if (filterBy !== undefined) {
          if (params?.level === filterBy.getLevel()) {
            callback(jsEntry)
          }
          return
        }

        if (filterBy !== undefined) {
          if (params?.level === filterBy.getLevel()) {
            {
              this.invokeCallbacksWithFilter(LOG.TYPE_LOGS_FILTER, jsEntry, filterBy.getLevel())
            }
            return
          }
        }

        this.invokeCallbacks(LOG.TYPE_LOGS, jsEntry)
        return
      }

      if (params?.type === 'console') {
        let consoleEntry = new ConsoleLogEntry(
          params.level,
          params.source,
          params.text,
          params.timestamp,
          params.type,
          params.method,
          params.args,
          params.stackTrace,
        )