select2 image in option code example

Example: add image in select2 dropdown

$(".class").select2({
    templateResult: formatState,
    templateSelection: formatState
});

function formatState (opt) {
    if (!opt.id) {
        return opt.text.toUpperCase();
    } 

    var optimage = $(opt.element).attr('data-image'); 
    console.log(optimage)
    if(!optimage){
       return opt.text.toUpperCase();
    } else {                    
        var $opt = $(
           '<span><img src="' + optimage + '" width="60px" /> ' + opt.text.toUpperCase() + '</span>'
        );
        return $opt;
    }
};