(function() {
    'use strict';

    function fix_url(){
        var share_url = document.getElementById("share-url");
        if(share_url){
            var url = new URL(share_url.value);
            url.searchParams.delete("si");
            share_url.value = url.toString();
        }
    }

    var observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            if (mutation.type === "attributes" && mutation.attributeName === "aria-checked") {
                fix_url();
            }
        });
    });

    observer.observe(document.body, { subtree: true, attributes: true });

})();