function getSavingObject() {
  const object = JSON.parse(JSON.stringify(globalParams));
  object.shs = parseInt($('#weight-select').val());
  if (useFira) {
    object.fira = parseInt($('#fira-weight-select').val()) * 3 
      + parseInt($('#fira-width-select').val());
  } else {
    object.raleway = parseInt($('#raleway-weight-select').val());
  }
  object.hstroke = hStrokeWidth();
  object.vstroke = vStrokeWidth();
  return object;
}
Get the object to save.
@returns { { [key: string]: boolean|number } }