Formatting of javascript switch statements is broken

switch (letter) {
        case 'a': a += 1; break;
           case 'b': b += 1; break;
       case 'c': c += 1; break;
           case 'd': d += 1; break;
       case 'e': e += 1; break;
           case 'f': f += 1; break;
       }

switch (letter) {
   case 'a': a += 1; break;
   case 'b': b += 1; break;
   case 'c': c += 1; break;
   case 'd': d += 1; break;
   case 'e': e += 1; break;
   case 'f': f += 1; break;
}