gulpfile.coffee

# Constants
CSS_PATH        = './src/assets/css/*.css'
JS_PATH         = './src/assets/js/*.js'
SASS_PATH       = './src/assets/css/*.sass'
OUTPUT_PATH     = './src/assets/css'
HTML_PATH       = './src/index.html'
HTTP_PORT       = 8087
LIVERELOAD_PORT = 32718

# Gulp plugins
gulp       = require 'gulp'
connect    = require 'gulp-connect'
sass       = require 'gulp-sass'
watch      = require 'gulp-watch'

# Task - connect
gulp.task 'connect', ->
    connect.server
      root: ['src']
      port: HTTP_PORT
      livereload:
        port: LIVERELOAD_PORT

# Task - watch
gulp.task 'watch', ->
  gulp.src SASS_PATH
    .pipe watch(SASS_PATH)
    .pipe sass
       errLogToConsole: true
       sourceComments : 'normal'
    .pipe gulp.dest(OUTPUT_PATH)
  gulp.src [HTML_PATH, CSS_PATH, JS_PATH]
    .pipe watch([HTML_PATH, CSS_PATH, JS_PATH])
    .pipe connect.reload()

gulp.task 'default', ['connect', 'watch']

gulpfile.js

require('coffee-script/register');
require('./gulpfile.coffee');

package.json

{
  "name": "prototype",
  "version": "0.0.0",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "josephj",
  "license": "ISC",
  "devDependencies": {
    "coffee-script": "^1.8.0",
    "gulp": "^3.8.10",
    "gulp-connect": "^2.2.0",
    "gulp-sass": "^1.1.0",
    "gulp-watch": "^1.2.0"
  }
}