function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
    try {
        var info = gen[key](arg);
        var value = info.value;
    } catch (error) {
        reject(error);
        return;
    }
    if (info.done) {
        resolve(value);
    } else {
        Promise.resolve(value).then(_next, _throw);
    }
}
function _asyncToGenerator(fn) {
    return function() {
        var self = this, args = arguments;
        return new Promise(function(resolve, reject) {
            var gen = fn.apply(self, args);
            function _next(value) {
                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
            }
            function _throw(err) {
                asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
            }
            _next(undefined);
        });
    };
}
function _scanUser() {
    _scanUser = _asyncToGenerator(function*(groups) {
        yield Promise.all(groups.map(_asyncToGenerator(function*({ users  }) {
            for (const user of users){
                console.log('user', user);
                yield new Promise((resolve)=>setTimeout(resolve, 30)
                );
            }
        })));
    });
    return _scanUser.apply(this, arguments);
}
function scanUser(groups) {
    return _scanUser.apply(this, arguments);
}
scanUser([
    {
        users: [
            1,
            2,
            3,
            4,
            5
        ]
    },
    {
        users: [
            11,
            12,
            13,
            14,
            15
        ]
    }, 
]);