How to get console output from browser?

[amkisko]

Hey! I would like to get JavaScript output from browser side to ruby. Are there any possibilities to do so with this driver?

[amkisko]

As for reference: https://github.com/dbalatero/capybara-chromedriver-logger, it also has raise_js_errors feature which could be very useful.

[YusukeIwaki]

The function is not provided by this capybara driver, however we can use https://playwright-ruby-client.vercel.app/docs/api/console_message for observing the console log output via page.

page.driver.with_playwright_page do |page|
  page.on("console", ->(msg) {
    if msg.type == 'error'
      puts "error: #{msg.text}"
    end
  })
end

Could you try it?

[amkisko]

Thank you, works perfect!

I tried it in different places, seems that the callback is correctly set only after visit (probably when the page has been initialised), although page instance and with_playwright_page do not raise exceptions in the other places.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.