gulpfile for compiling coffee, sass/autoprefixer and handlebars.

gulpfile.js

var gulp = require('gulp');
var gutil = require('gulp-util');
var sass = require('gulp-sass');
var coffee = require('gulp-coffee');
var autoprefix = require('gulp-autoprefixer');
var handlebars = require('gulp-handlebars');
var defineModule = require('gulp-define-module');

var paths = {
  scripts: {
    src:  'assets/coffee/**/*.coffee',
    dest: 'static/javascripts'
  },
  styles: {
    src:  'assets/scss/**/*.scss',
    dest: 'static/stylesheets'
  },
  templates: {
    src:  'assets/templates/*.hbs',
    dest: 'static/templates'
  }
};

gulp.task('scripts', function() {
  return gulp.src(paths.scripts.src)
    .pipe(coffee({bare: true})
      .on('error', gutil.log)
      .on('error', gutil.beep)
    ).pipe(gulp.dest(paths.scripts.dest));
});

gulp.task('templates', function() {
  return gulp.src(paths.templates.src)
    .pipe(handlebars())
    .pipe(defineModule('plain', {
      wrapper: 'JST["<%= name %>"] = <%= handlebars %>'
    }))
    .pipe(gulp.dest(paths.templates.dest));
});

gulp.task('styles', function() {
  return gulp.src(paths.styles.src)
    .pipe(sass({errLogToConsole: true}))
    .pipe(autoprefix(['last 2 versions', "ie 8"]))
    .pipe(gulp.dest(paths.styles.dest));
});

gulp.task('watch', function() {
  gulp.watch(paths.scripts.src, ['scripts']);
  gulp.watch(paths.styles.src, ['styles']);
  gulp.watch(paths.templates.src, ['templates']);
});

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