gistfile1.js

var button = [[CPButton alloc] initWithFrame:CPRectMake(0, 0, 0, 0)];
  
  [button setButtonType:CPSwitchButton];
  [button setImagePosition:CPNoImage];
  if(_currentNavigationItem == navigationItem)
  {
    [button setFont:BreadcrumbsViewBoldFont];
  }
  else
  {
    [button setFont:BreadcrumbsViewFont];
  }
  [button setStringValue:[navigationItem title]];
  console.log(button);
  [button sizeToFit];