fakePromiseAll catches rejected promises to complete all promises and collect errors

fakePromiseAll

function fakePromiseAll(arr) {
    return Promise.all(arr.map(item => {
        return item.then(
            result => {
                return result;
            },
            error => {
                return error;
            }
        );
    }));
}

module.exports = fakePromiseAll;