module.exports = function (js_src) {
  return {
    compile: {
      expand: true,
      cwd: js_src + 'sources/',
      src: ['**/*.coffee', '*.coffee'],
      dest: js_src + 'build/',
      rename: function(dest, src) {
        var result_name,
            path = require('path'),
            src_dir = src.replace('\\', path.sep).replace('/', path.sep);
        if (src_dir.indexOf(path.sep) != -1) {
          result_name = src_dir.split(path.sep).slice(0, 1)[0] + '_' + path.basename(src);
        } else {
          result_name = path.basename(src);
        }
        // Prefix each javascript file with the folder name into the destination
        return path.join(dest, result_name.replace('.coffee', '.js'));
      }
    }
  }
}