gulpfile.js

'use strict';
var gulp = require('gulp');
var plugins = require('gulp-load-plugins')();

var paths = {
    appScripts: 'src/app/**/*.js'
};

gulp.task('scripts', function () {
    return gulp.src([paths.appScripts])
        .pipe(plugins.jshint())
        .pipe(plugins.jshint.reporter(require('jshint-stylish')))
        .pipe(plugins.size());
});

gulp.task('watch', ['serve'], function () {
    var server = plugins.livereload();

    gulp.watch([
        'src/**/*.html',
        'src/app/**/*.js',
        'src/styles/*.css'
    ]).on('change', function (file) {
        console.log('File changed: ' + file.path);
        server.changed(file.path);
    });

    gulp.watch(paths.appScripts, ['scripts']);
});

gulp.task('injectjs', function(){
    var target = gulp.src('./src/index.html');
    var sources = gulp.src([paths.appScripts]);

    return target.pipe(plugins.inject(sources, {relative: true}))
        .pipe(gulp.dest('./src'));

});

gulp.task('serve', ['connect'], function () {
    require('opn')('http://localhost:9000');
});

gulp.task('connect', function () {
    var connect = require('connect');
    var app = connect()
        .use(require('connect-livereload')({ port: 35729 }))
        .use(connect.static('src'))
        .use(connect.directory('src'));

    require('http').createServer(app)
        .listen(9000)
        .on('listening', function () {
            console.log('Started connect web server on http://localhost:9000');
        });
});