text: function fullscreenToggle (screen, escCmd) {
    if (!screen.isFullScreen() && !escCmd) {
      screen.setFullScreenable(true)
      screen.setFullScreen(true)
    } else {
      screen.setFullScreen(false)
      screen.setFullScreenable(false)
    }
  }
  
  module.exports = fullscreenToggle
  