code: function _toCamelCase(str) {
    var newString = '';
    var insideParens = false;
    newString += str[0].toLowerCase();
    for (var i = 1; i < str.length; i++) {
      var char = str[i];
      switch (char) {
        case ')':
        case '_':
          break;
        case '(':
          insideParens = true;
          break;
        default:
          if (insideParens) {
            insideParens = false;
            newString += char.toUpperCase();
          } else {
            newString += char;
          }
          break;
      }
    }
  
    return newString;
  }
docs: quick dirty to handle parens and underscores