function spinalCase(str) {

    var outputString, 

              newstr,

              pattern1 = new RegExp(/[_\s]/, 'g'),

              pattern2 = new RegExp(/(?=[A-Z])/, 'g'),

              stringTest1 = pattern1.test(str),

              stringTest2 = pattern2.test(str);

​

         if(stringTest1 && !stringTest2)  {

                outputString = str.replace(pattern1, '-');

                newstr = outputString.toLowerCase();

          } else if(!stringTest1 && stringTest1) {

               str.split(/(?=[A-Z])/).join(' ');

                outputString = str.replace(pattern2, '-');

                newstr = outputString.toLowerCase();

          } else if (stringTest1 && stringTest2){

                console.log('were in the last else!!!');

                outputString = str.replace(pattern1, '-');

                outputString = str.replace(pattern2, '-');

                newstr = outputString.toLowerCase();

          }

​

  return newstr;

​

}