runner.js

/**
 * Module dependencies
 */
 const Nightwatch = require('nightwatch/lib/index.js');
 const {Logger, shouldReplaceStack, alwaysDisplayError} = require('nightwatch/lib/utils');
 try {
   Nightwatch.cli(function(argv) {
     argv._source = argv['_'].slice(0);
 
     const runner = Nightwatch.CliRunner(argv);
     require('ts-node').register();
 
     return runner
       .setupAsync()
       .catch(err => {
         if (err.code === 'ERR_REQUIRE_ESM') {
           err.showTrace = false;
         }
 
         throw err;
       })
       .then(() => runner.runTests())
       .catch((err) => {
         if (!err.displayed || alwaysDisplayError(err) && !err.displayed) {
           Logger.error(err);
         }
       
         runner.processListener.setExitCode(10).exit();
       });
   });
 } catch (err) {
   const {message} = err;
   err.message = 'An error occurred while trying to start the Nightwatch Runner:';
   err.showTrace = !shouldReplaceStack(err);
   err.detailedErr = message;
 
   Logger.error(err);
 
   process.exit(2);
 }