puppeeter

import puppeteer, {ElementHandle} from "puppeteer";

const getPropAsync = async (elementHandle: ElementHandle, propertyName: string) =>
{
    let href = await elementHandle.getProperty(propertyName);
    return await (await elementHandle.getProperty(propertyName)).jsonValue();
};
const getElementsAsync = (async (selector: string, section: ElementHandle | null, propertyName: string | null, page) =>
{
    let cubes: ElementHandle[] = [];
    if (section)
    {
        cubes = await section.$$(selector);
    }
    else
    {
        cubes = await page.$$(selector);
    }
    if (propertyName)
    {
        return await Promise.all(cubes.map(a => getPropAsync(a, propertyName)));
    }
    else
    {
        return cubes;
    }
});
(async () =>
{
    const browser = await puppeteer.launch({headless: false});
    const page = await browser.newPage();
    let url = "https://www.mutualart.com/Artists";
    console.log(`Fetching page data for : ${url}...`);
    await page.goto(url);
    await page.waitForSelector(".item.col-xs-3");
    //  let arrMainLinks: ElementHandle[] = await page.$$('.item.col-xs-3 > a');
    let arrMainLinks = await page.evaluate(() =>
                                           {
                                               // click the first element
                                               return Array.from(document.querySelectorAll('.item.col-xs-3 > a'));
                                           });
    console.log(arrMainLinks.length);
    for (let i = 0; i < arrMainLinks.length; i++) //get the main links
    {
        //   const  mainLink = arrMainLinks[i];
        //  let hrefValue =await (await mainLink.getProperty('href')).jsonValue();
        //console.log("Clicking on " + hrefValue);
        /* await Promise.all([
         
         mainLink.click({delay: 100})
         ]);*/
         
        await page.evaluate((a) =>
                            {
                               
                                // click the first element
                                return ([...document.querySelectorAll('.item.col-xs-3 > a')][a] as HTMLElement ).click();
                            }, i);
        await page.waitForNavigation();
        //gallery
        //  let arrSubLinks: ElementHandle[] = await page.$$('.slide>a');// >a>.slide-content
        let arrSubLinks2 = await page.evaluate(() =>
                                               {
                                                   // click the first element
                                                   return Array.from(document.querySelectorAll('.slide>a'));
                                               });
        console.log(arrSubLinks2.length);
        for (let j = 0; j < arrSubLinks2.length; j++)
            //let's click on each sub click
        {
            console.log('███AAA');
            // await arrSubLinks[j].click();
            await page.evaluate((a) =>
                                {
                                    // click the first element
                                    return ([...document.querySelectorAll('.slide>a')][a] as HTMLElement) .click();
                                }, j);
            // const childBtn = await arrSubLinks[i].$('a.img-block');
            //  await childBtn.click();
            // const sublink = arrSubLinks[j];
            // page.click('div.selectize-input.items.not-full.has-options')
            //   sublink.click({delay: 100})
            // await page.waitFor(7000)
            /*  await Promise.all([
             page.waitForNavigation({waitUntil: 'networkidle2'}),
             
             ]);*/
            await page.waitForNavigation();
            let ddd: ElementHandle[] = await page.$$('.artist-name');
            console.log(ddd.length);
            /*  await Promise.all([
             page.waitForNavigation(),
             sublink.click({delay: 100})
             ]);*/
            console.log('███BBB');
            await page.waitFor(2000);
            await page.goBack();
            console.log('███CCC');
            // break;
        }
        await page.waitFor(2000);
        await page.goBack();
    }
      await browser.close();
})();