66.txt

  gulp.task('browserify', function() {
    var babelifyConfig = babelify.configure({presets: ['es2015', 'react'], extensions: ['.jsx']});

    return browserify({
        entries: 'src/app.jsx', // the same as "--extension=.jsx src/**/*.jsx"
        extensions: ['.jsx']
      })
      .transform(babelifyConfig) // the same as -t command line parameter
      .bundle()
      .pipe(process.stdout);
  });