Code Sample to handle Upload and Download action with Puppeteer

dual.js

import puppeteer from 'puppeteer'

//function to handle timeout
function delay(time) {
    return new Promise(resolve => setTimeout(resolve, time));
}

    const browser = await puppeteer.launch({ headless: false });
    const page = await browser.newPage();

    const client = await page.target().createCDPSession();
    await client.send('Page.setDownloadBehavior', {
        behavior: 'allow',
        downloadPath: './downloads'
    });

    await page.goto('https://imgur.com/upload');

    const uploadSelector = '#file-input'; 
    await page.waitForSelector(uploadSelector);
    const inputUploadHandle = await page.$(uploadSelector);
    await inputUploadHandle.uploadFile('./cap.jpeg'); 

    //wait for the upload to be completed
    await delay(10000);

    // initiate the download process and click the download button
    const downloadLinkSelector = '.upload-download'; 
    await page.waitForSelector(downloadLinkSelector);
    await page.click(downloadLinkSelector);

    //wait for the file download to
    await delay(10000);


    await browser.close();