make-and-reduce-requests.js

async function getTiesCountByNumberOfGoals(year, goals) {
    const [gamesOnFirstPage, numberOfPages] = await getNumOfGamesFromPage(year, goals, 0);

    const pageArray = Array.from(Array(numberOfPages).keys()).filter((e) => e !== 0);

    return Promise.all(
        [
            gamesOnFirstPage, 
            ...pageArray.map(page => getNumOfGamesFromPage(year, goals, page))
        ])
    ).then(data => data.reduce((x, y) => x + y, 0) || 0);
}