gulpfile.js

var gulp = require('gulp');
var connect = require('gulp-connect');
var jade = require('gulp-jade');
var rjs = require('gulp-requirejs');
// add required packages
var sass = require('gulp-sass');
var uglify = require('gulp-uglify');
var pump = require('pump');

gulp.task('connect', function() {
    connect.server({
        port: 5555,
        livereload: true,
        root: ['dist', 'dist/html']
    });
});

gulp.task('jade', function() {
    gulp.src('src/jade/*.jade')
        .pipe(jade())
        .pipe(gulp.dest('dist/html'))
        .pipe(connect.reload());
});

gulp.task('sass', function() {
    return gulp.src('./sass/**/*.scss')
        .pipe(sass().on('error', sass.logError))
        .pipe(gulp.dest('./css'));
});

gulp.task('sass:watch', function () {
    return gulp.watch('./sass/**/*.scss', ['sass']);
});

gulp.task('requireJS', function(cb) {
    pump([
            gulp.src('lib/*.js'),
            uglify(),
            gulp.dest('dist')
        ], cb
    );
    rjs({
        baseUrl: 'src/js',
        name: '../../node_modules/almond/almond',
        include: ['app'],
        insertRequire: ['app'],
        out: 'bundle.js',
        wrap: true
    })
    .pipe(gulp.dest('dist/js'))
    .pipe(connect.reload());
});

gulp.task('watch', function() {
    return gulp.watch('src/jade/*.jade', ['jade']);
    // add watch for .sass and .js files
});

gulp.task('default', ['requireJS', 'jade', 'sass', 'connect', 'watch']);