GULP-NGBUILD Installation npm install gulp-ngbuild Usage var gulp = require("gulp");var ngbuild = require("gulp-ngbuild"); gulp.task("ngbuild", function () { gulp.src("app/app.js") .pipe(ngbuild()) .pipe(gulp.dest("app_build"));}); gulp.task("watch", function () { gulp.watch(["app/**/*"],["ngbuild"]);});