code: function categoryForCode(code) {
      code = parseInt(code, 10);
      var result = null;
  
      if (code === 0) {
          result = 'all';
      } else if (code === 1) {
          result = 'bold';
      } else if ((2 < code && code < 5)) {
          result = 'underline';
      } else if ((4 < code && code < 7)) {
          result = 'blink';
      } else if (code === 8) {
          result = 'hide';
      } else if (code === 9) {
          result = 'strike';
      } else if ((29 < code && code < 38) || code === 39 || (89 < code && code < 98)) {
          result = 'foreground-color';
      } else if ((39 < code && code < 48) || code === 49 || (99 < code && code < 108)) {
          result = 'background-color';
      }
  
      return result;
  }
docs: Converts a code into an ansi token type
  @param {number} code
  @returns {string}