Following instructions for setting up Angular2 + Laravel, but I did not like the idea of making modifications in node_modules folder.

Author: hreid3

index.js

@@ -42,7 +42,7 @@ Elixir.extend('typescript', function(src, output, options) {
 
                     this.emit('end');
                 }))
-            .pipe($.concat(paths.output.name))
+//            .pipe($.concat(paths.output.name))
             .pipe($.if(config.production, $.uglify()))
             .pipe($.if(config.sourcemaps, $.sourcemaps.write('.')))
             .pipe(gulp.dest(paths.output.baseDir))
@@ -64,4 +64,4 @@ var prepGulpPaths = function(src, output) {
     return new Elixir.GulpPaths()
         .src(src, tsFolder)
         .output(output || tsOutput, 'app.js');
-};
+};