CoffeeScript Grunt Tools

README.md

This gist demonstrates a basic Gruntfile for writing tools in CoffeeScript.

Gruntfile.coffee

###
Dawson Reid (dawson@streamlyne.co)
###

exec = require('child_process').exec
util = require 'util'
path = require 'path'

module.exports = (grunt) ->
  grunt.loadNpmTasks 'grunt-contrib-coffee'
  grunt.loadNpmTasks 'grunt-contrib-watch'
  grunt.loadNpmTasks 'grunt-coffeelint'
  grunt.loadNpmTasks 'grunt-exec'

  grunt.initConfig

    watch:
      coffee:
        files: ['Gruntfile.coffee', 'tools/*.coffee']
        tasks: ['coffeelint:tools']

    coffeelint:
      tools: ['tools/*.coffee']

    coffee:
      compile:
        expand: true,
        flatten: true,
        cwd: "#{__dirname}/tools/",
        src: ['*.coffee'],
        dest: '.tmp/',
        ext: '.js'

    exec:
      target:
        cmd: (target) ->
          script = path.join(__dirname, '.tmp/', target + '.js')
          execCmd = util.format 'node %s', script
          return execCmd

  grunt.registerTask 'dev', ['watch']

  grunt.registerTask 'run', 'Run a coffeescript tool.', (n) ->
    target = grunt.option('target');

    if not target
      console.err 'Run target is required.'
      process.exit(1)
    else
      console.log 'Run target :', target
      executeTask = util.format 'exec:target:%s', target
      grunt.task.run ['coffee:compile', executeTask]