```coffeescript
module.exports = (grunt) ->
  grunt.initConfig
    pkg: grunt.file.readJSON('package.json')

    coffee:
      glob_to_multiple:
        expand: true
        cwd: 'src'
        src: ['**/*.coffee']
        dest: 'lib'
        ext: '.js'

    coffeelint:
      options:
        no_empty_param_list:
          level: 'error'
        max_line_length:
          level: 'ignore'

      src: ['src/**/*.coffee']
      test: ['spec/*.coffee']

    shell:
      test:
        command: 'jasmine-focused --captureExceptions --coffee spec/'
        options:
          stdout: true
          stderr: true
          failOnError: true

  grunt.loadNpmTasks('grunt-contrib-coffee')
  grunt.loadNpmTasks('grunt-shell')
  grunt.loadNpmTasks('grunt-coffeelint')

  grunt.registerTask 'clean', -> require('rimraf').sync('lib')
  grunt.registerTask('lint', ['coffeelint:src', 'coffeelint:test'])
  grunt.registerTask('default', ['coffee', 'coffeelint:src'])
  grunt.registerTask('test', ['clean', 'default', 'coffeelint:test', 'shell:test'])
  grunt.registerTask('prepublish', ['clean', 'coffee', 'lint'])
```

Fix invoking jasmine-focused on Windows.
user
```coffeescript
module.exports = (grunt) ->
  grunt.initConfig
    pkg: grunt.file.readJSON('package.json')

    coffee:
      glob_to_multiple:
        expand: true
        cwd: 'src'
        src: ['**/*.coffee']
        dest: 'lib'
        ext: '.js'

    coffeelint:
      options:
        no_empty_param_list:
          level: 'error'
        max_line_length:
          level: 'ignore'

      src: ['src/**/*.coffee']
      test: ['spec/*.coffee']

    shell:
      test:
        command: 'node node_modules/jasmine-focused/bin/jasmine-focused --captureExceptions --coffee spec/'
        options:
          stdout: true
          stderr: true
          failOnError: true

  grunt.loadNpmTasks('grunt-contrib-coffee')
  grunt.loadNpmTasks('grunt-shell')
  grunt.loadNpmTasks('grunt-coffeelint')

  grunt.registerTask 'clean', -> require('rimraf').sync('lib')
  grunt.registerTask('lint', ['coffeelint:src', 'coffeelint:test'])
  grunt.registerTask('default', ['coffee', 'coffeelint:src'])
  grunt.registerTask('test', ['clean', 'default', 'coffeelint:test', 'shell:test'])
  grunt.registerTask('prepublish', ['clean', 'coffee', 'lint'])
```
assistant