i am trying to show records count in menus for that i am trying below codes.

please help me guys need to return value instead empty array

my xml code 

using below xml code i am calling javascript function for getting count by passing action id

    

my js code:
getRecordsCount: function (action_id) {
        var rec_count = [];
        console.log("getRecordsCount is ");
        console.log(action_id);
        ajax.jsonRpc("/get_records_count", 'call', {'action_id': action_id},
        {'async': false}).then(function (data) {
            rec_count.push(data);
            console.log(data['count'])
        });
        console.log(rec_count)
       return rec_count


},
my controller file .py file
@http.route('/get_records_count', type='json', auth='public')
def get_records_count(self,**kw):
    count = 0
    vals = {
        "count": count
    }
    action_id = kw.get('action_id')
    data = {'status': 200, 'response': vals, 'message': 'records count Returned'}
    action_obj = request.env['ir.actions.act_window'].search([('id', '=', action_id)])
    logging.info("action_obj.xml_id %s" % action_obj.xml_id)
    if action_obj:
            # and (action_obj.xml_id == 'web_advanced_search_sale_unit.menu_sale_all_unit' or action_obj.xml_id == 'web_advanced_search_sale_unit.menu_sale_my_units'):
        domain = action_obj.domain if action_obj.domain else []
        result = isinstance(domain, list)

        if result:
            domain = []
            logging.info("domain %s" % domain)
            count = request.env[action_obj.res_model].search_count(domain)
            logging.info("count %s" % count)
        else:
            if len(domain) > 0:
                logging.info("domain in ast %s" % domain)
                try:
                    domain = ast.literal_eval(domain)
                    count = request.env[action_obj.res_model].search_count(domain)
                except Exception as e:
                    domain = []
                    count = request.env[action_obj.res_model].search_count(domain)

            else:
                domain = []
                count = request.env[action_obj.res_model].search_count(domain)

            logging.info("count %s" % count)
        vals = {
            "count": count
        }
        data = {'status': 200, 'response': vals, 'message': 'records count Returned'}
    return vals