docs: function nodeModulesPaths (start, cb) {
      var splitRe = process.platform === 'win32' ? /[\/\\]/ : /\/+/;
      var parts = start.split(splitRe);
  
      var dirs = [];
      for (var i = parts.length - 1; i >= 0; i--) {
          if (parts[i] === 'node_modules') continue;
          var dir = path.join.apply(
              path, parts.slice(0, i + 1).concat(['node_modules'])
          );
          if (!parts[0].match(/([A-Za-z]:)/)) {
              dir = '/' + dir;
          }
          dirs.push(dir);
      }
      return dirs;
  }