gulp.js

gulp.src([‘./app/*.js’])
  .pipe(through2.obj(function(file, enc, callback) {
    var self = this
    var b = browserify()
    b.add(file.path)
    b.transform(reactify)
    b.bundle(function(err, src) {
      if(err) console.log(err)
        // here we need to push the file down the stream
    })
  }))
  .pipe(gulp.dest(‘./public/build/’));