Common.js

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mw.loader.using('mediawiki.user').then(function () {
    mw.user.getGroups().then(function (groups) {
        console.log('User groups:', groups);
        if (groups.includes('sysop')) {
            console.log('User is an administrator.');
        }
    });
});

//	hide the sidebar navigation. 
//document.querySelector('#sb-pri-tgl-btn').style.display = 'none';
//document.getElementById('sb-pri-tgl-btn').remove();