SOURCE

const log = console.log;
let find = function (data) {
    return {
        where(params) {
            Object.entries(params).forEach(([key, value]) => {
                data = data.filter(item => value.test(item[key]))
            });
            return this
        },
        orderBy(key, rule = 'asc') {
            function sortBy(key, rule) {
                return function (a, b) {
                    a = a[key];
                    b = b[key];
                    if (rule === 'asc') {
                        return a - b
                    } else if (rule === 'desc') {
                        return b - a
                    }
                    return 0;
                }
            }

            return data.sort(sortBy(key, rule))
        }
    }
}

let data = [
    { userId: 8, title: 'title1' },
    { userId: 11, title: 'other3' },
    { userId: 15, title: null },
    { userId: 21, title: 'title2' }
];

let result = find(data).where({
    'title': /\d$/,
    'userId': /1$/
}).orderBy('userId', 'desc');
console.log(result);// [{ userId: 19, title: 'title2'}, { userId: 8, title: 'title1' }];