gulp file for bnsf project

gulpfile.js

var gulp = require('gulp'),
    nodemon = require('gulp-nodemon'),
    shell = require('gulp-shell');

gulp.task('build', shell.task([
    'bem make'
]));

var nodemonInstance;
gulp.task('run', ['build'], function () {
    if (!nodemonInstance) {
        nodemonInstance = nodemon({
            script: 'desktop.bundles/index/index.node.js',
            watch: '__manual__',
            ext: '__manual__'
        }).on('restart', function () {
            console.log('~~~ restart server ~~~');
        });
    } else {
        nodemonInstance.emit('restart');
    }
});

gulp.task('watchAndRebuild', ['run'], function () {
    gulp.watch('desktop.blocks/**/*', ['run']);
    gulp.watch('config/*', ['run'])
});

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