old_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from __future__ import print_function, absolute_import
  import json
  import os.path as osp
  from jupyterlab_server.process import which
  from jupyterlab_server.process_app import ProcessApp
  
  HERE = osp.dirname(osp.realpath(__file__))
  
  
  def _jupyter_server_extension_points():
      return [
          {
              'module': __name__,
              'app': NodeApp
          }
      ]
  
  class NodeApp(ProcessApp):
  
      name = __name__
  
      def get_command(self):
          """Get the command and kwargs to run.
          """
          # Run the node script with command arguments.
          config = dict(
              baseUrl='http://localhost:{}{}'.format(self.serverapp.port, self.settings['base_url']),
              token=self.settings['token']
              )
  
          with open(osp.join(HERE, 'config.json'), 'w') as fid:
              json.dump(config, fid)
  
          cmd = [which('node'),
                 'index.js', '--jupyter-config-data=./config.json']
          return cmd, dict(cwd=HERE)
  
  
  if __name__ == '__main__':
      NodeApp.launch_instance()
  
new_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from __future__ import print_function, absolute_import
  import json
  import os.path as osp
  from jupyterlab_server.process import which
  from jupyterlab_server.process_app import ProcessApp
  
  HERE = osp.dirname(osp.realpath(__file__))
  
  
  def _jupyter_server_extension_points():
      return [
          {
              'module': __name__,
              'app': NodeApp
          }
      ]
  
  class NodeApp(ProcessApp):
  
      name = __name__
      serverapp_config = dict(
          disable_check_xsrf = True,
          allow_origin = "*",
          token=""
      )
  
      def get_command(self):
          """Get the command and kwargs to run.
          """
          # Run the node script with command arguments.
          config = dict(
              baseUrl='http://localhost:{}{}'.format(self.serverapp.port, self.settings['base_url']),
              token="")
  
          with open(osp.join(HERE, 'config.json'), 'w') as fid:
              json.dump(config, fid)
  
          cmd = [which('node'),
                 'index.js', '--jupyter-config-data=./config.json']
          return cmd, dict(cwd=HERE)
  
  
  if __name__ == '__main__':
      NodeApp.launch_instance()
  
subject: disable checks in node app