Gulp-file-best-practice-sample

/*
 * Dependencies
 */
var gulp = require('gulp');
var browserify = require('browserify');
var vss = require('vinyl-source-stream');

/*
 * Paths
 */
var wwwroot = 'wwwroot';
var jsAssets = 'Assets/JS/**/*.js';
var alljs = 'Assets/JS/all.js';


/*
 * Default
 */
gulp.task('default', function () {});

/*
 * Run tasks when a file changes
 */
gulp.task('watch', function () {
    var filesToWatch = [jsAssets];
    var tasksToRun = ['scripts'];
    gulp.watch(filesToWatch, tasksToRun);
});

/*
 * Bundle with browserify
 */
gulp.task('scripts', function () {
    return browserify(alljs)
        .bundle()
        .pipe(vss('all.js'))
        .pipe(gulp.dest(wwwroot));
});