Gruntfile.coffee

'use strict'

module.exports = (grunt) ->
  
  grunt.loadNpmTasks 'grunt-contrib-coffee'
  grunt.loadNpmTasks 'grunt-contrib-watch'
  grunt.loadNpmTasks 'grunt-coffeelint'
  grunt.loadNpmTasks 'grunt-simple-mocha'
  grunt.loadNpmTasks 'grunt-notify'
  
  grunt.registerTask 'default', [ 'coffeelint', 'simplemocha', 'coffee' ]
  
  grunt.initConfig
   
    coffee:
      dist:
        files: [{
          expand: yes
          cwd: 'src/'
          src: [ '**/*.coffee' ]
          dest: 'lib/'
          ext: '.js'
        }]

    coffeelint:
      options:
        max_line_length:
          value: 79
        indentation:
          value: 2
        newlines_after_classes:
          level: 'error'
        no_empty_param_list:
          level: 'error'
        no_unnecessary_fat_arrows:
          level: 'ignore'
      dist:
        files: [{
          expand: yes
          cwd: 'src/'
          src: [ '**/*.coffee' ]
        }]

    simplemocha:
      options:
        ui: 'bdd'
        reporter: 'spec'
        compilers: 'coffee:coffee-script'
        ignoreLeaks: no
      dist:
        src: [ 'tests/test.coffee' ]

    watch:
      options:
        interrupt: yes
      dist:
        files: [ 'src/**/*.coffee' ]
        tasks: [ 'coffeelint', 'simplemocha', 'coffee' ]

package.json

{
  "name": "",
  "version": "0.0.0",
  "private": true,
  "description": "",
  "main": "",
  "scripts": {
    "test": "grunt simplemocha"
  },
  "author": "",
  "license": "MIT",
  "devDependencies": {
    "mocha": "*",
    "grunt": "*",
    "grunt-simple-mocha": "*",
    "grunt-notify": "*",
    "grunt-contrib-coffee": "*",
    "grunt-coffeelint": "git+https://github.com/geta6/grunt-coffeelint",
    "grunt-contrib-watch": "git+https://github.com/gruntjs/grunt-contrib-watch"
  }
}