SovBundle/Resources/assets/apps/backend-common/common.js

/* Tooltip */
$('[data-toggle="tooltip"]').tooltip();

/* Select2 */
if ($('.select2, select.form-control').length) {

    $('form .form-widget>select.form-control, .select2').each(function (i, elm) {
        if (!$(this).hasClass('disable-select2')) {
            setSelect2($(elm));
        }
    });

    $('form .form-inline>select.form-control').each(function (i, elm) {
        if (!$(this).hasClass('disable-select2')) {
            setSelect2($(elm));
        }
    });
}

function setSelect2($select) {
    if (typeof $select.data('select2-id') === 'undefined') {

        $select.data('init', 'set')
        var options = {
            width: "100%",
            theme: "bootstrap4",
            dropdownAutoWidth: false,
            allowClear: true,
            minimumResultsForSearch: 8
        };

        if ($select.data('allow-clear') == 'false') {
            options.allowClear = false;
        }
        if ($select.data('width')) {
            options.width = 'auto'
        }
        if ($select.find('option[value=""]')) {
            options.placeholder = $select.find('option[value=""]').html()
        }
        /*if($select.is(':required') == false) {
            options.allowclear = true
        }*/
        var myselect = $select.select2(options);

        myselect.on('select2:select', function (e) {
            var event = new Event('change');
            e.target.dispatchEvent(event);
        });
        myselect.on('select2:unselect', function (e) {
            var event = new Event('change');
            e.target.dispatchEvent(event);
        });

        return myselect;
    }
}