gulp browserify and livereload

gulpfile.js

var gulp = require('gulp');
var gutil = require('gulp-util');
var uglify = require('gulp-uglify');
var jshint = require('gulp-jshint');
var insert = require('gulp-insert');
var livereload = require('gulp-livereload');
var source = require('vinyl-source-stream');
var buffer = require('vinyl-buffer');
var watchify = require('watchify');
var browserify = require('browserify');


var scripts = 'src/**/*.js';



gulp.task('default', ['watch']);



gulp.task('build', ['lint'], function() {
    return browserify('./src/index.js').bundle()
        .on('error', gutil.log.bind(gutil, 'Browserify Error'))
        .pipe(source('createYourOwn.min.js'))
        .pipe(buffer())
        .pipe(uglify())
        .pipe(gulp.dest('.'));
});



gulp.task('watch', function() {

    var liveReloadScript = 'document.write(\'<script src="http://localhost:35729/livereload.js" id="livereload"></script>\');';

    watchify.args.debug = true;

    var bundler = watchify(browserify('./src/index.js', watchify.args));

    livereload.listen();

    bundler.on('update', function() {
        return bundler.bundle()
            .on('error', gutil.log.bind(gutil, 'Browserify Error'))
            .pipe(source('createYourOwn.min.js'))
            .pipe(buffer())
            .pipe(insert.prepend(liveReloadScript))
            .pipe(livereload())
            .pipe(gulp.dest('.'));
    });

});



gulp.task('lint', function() {
    return gulp.src(scripts)
        .pipe(jshint())
        .pipe(jshint.reporter('jshint-stylish'))
        .pipe(jshint.reporter('fail'));
});