kp-get.js

let kp = {};

kp.getViewedListFromEl = el => {
    return [...el.querySelectorAll('.item')]
        .filter(e => !e.classList.contains('itemAct'))
        .filter(e => e.children[0].tagName === 'DIV')
        .map(({children: [i, film, date]}) => ({
            i: Number(i.innerText),
            film,
            viewdate: date.innerText
        }))
        .map(({i, film, viewdate}) => ({
            index: i,
            ...((ru => ({
                ru: ru[0].slice(0, -1),
                en: film.querySelector('.nameEng').innerText,
                year: ru[ru.length - 2],
            }))(film.querySelector('.nameRus').innerText.split(/[\(\)]/ig))),
            ...((([rate,count,duration]) => ({
                rate: rate ? rate.innerText : '',
                duration: duration ? duration.innerText : '',
            }))(
                film.querySelector('.rating').children
            )),
            viewdate,
            link: film.querySelector('a').href,
        }))
}

kp.getPages = () => {
    let t = [...document.querySelectorAll('.arr')]
        .pop()
        .children[0]
        .href
        .split('/');
    const num = Number(t.splice(-2, 1, '{p}'));
    t = t.join('/');
    return Array(num - 1)
        .fill()
        .map((e, i) => i + 2)
        .map(p => t.replace('{p}', p));
}

kp.fetchPages = pages => new Promise(async resolve => {
    let url = null;
    let data = [];
    const count = pages.length;
    while(url = pages.shift()) {
      kp.echo(`download ${count - pages.length}/${count}`);
      data.push(await fetch(url));
    }
    resolve(data);
});

kp.aofo2csv = list => {
    const keys = Object.keys(list[0]);
    let s = keys.map(e => '"' + e + '"').join(',') + '\n';
    for (const line of list) {
        for (const ik in keys) {
            s = s + '"' + line[keys[ik]] + '"' + ((ik < (keys.length - 1)) ? ',' : '\n');
        }
    }
    return s;
};

kp.text2file = (text, file, type = 'text/plain') => {
	kp.echo('done');
    const blob = new Blob([text], { type });
    const elem = window.document.createElement('a');
    elem.href = window.URL.createObjectURL(blob);
    elem.download = file;
    elem.click();
}

kp.downloadViewed = () => {
    let list = kp.getViewedListFromEl(document);
    const pages = kp.getPages();
    kp.fetchPages(pages)
        .then(async all => {
            const texts = await Promise.all(all.map(e => e.text()));
            texts.forEach((text, i) => {
                let a = document.createElement('a');
                a.innerHTML = text;
                const sublist = kp.getViewedListFromEl(a);
                list = list.concat(sublist);
            });
            return list;
        })
        .then(list => kp.aofo2csv(list))
        .then(text => {
            const name = ('kinoposk ' + ('' + new Date()).split('(').shift()).replace(/\s/ig, '-').slice(0, -1) + '.csv';
            kp.text2file(text, name, 'text/csv')
        });
}

kp.echo = (text) => {
	let e = document.querySelector('.export-csv');
	e && (e.innerText = 'Export CSV: ' + text);
}

kp.start = () => {
    let e = document.querySelector('.js-rum-hero').nextElementSibling.nextElementSibling;
    e && e.classList.remove('clear');
    e && e.classList.add('export-csv');
    e && (e.innerText = 'Export CSV');
    e.addEventListener('click', kp.downloadViewed);
}

kp.start();