yahoo finance scrape with puppeteer

/**
 * @name Download file / upload file
 *
 * @desc Find an image by class selector, downloads the image, saves it to disk and read it again. Use this together with a .fileUpload() method.
 *
 */

const puppeteer = require('puppeteer')
const fs = require('fs')
const path = require('path')
const { promisify } = require('util')

function dateToTimeStamp(myDate) {
	myDate = myDate.split("-");
	var newDate = myDate[1] + "/" + myDate[0] + "/" + myDate[2];
	return new Date(newDate).getTime(); //will alert 1330210800000
}

// Normalizing the text
function getText(linkText) {
	linkText = linkText.replace(/\r\n|\r/g, "\n");
	linkText = linkText.replace(/\ +/g, " ");

	// Replace   with a space 
	var nbspPattern = new RegExp(String.fromCharCode(160), "g");
	return linkText.replace(nbspPattern, " ");
}

// find the link, by going over all links on the page
async function findButton(page, linkString) {
	const links = await page.$$('button')
	for (var i = 0; i < links.length; i++) {
		let valueHandle = await links[i].getProperty('innerText');
		let linkText = await valueHandle.jsonValue();
		const text = getText(linkText);
		if (linkString == text) {
			console.log(linkString);
			console.log(text);
			console.log("Found");
			return links[i];
		}
	}
	return null;
}

// find the link, by going over all links on the page
async function findLink(page, linkString) {
	const links = await page.$$('a')
	for (var i = 0; i < links.length; i++) {
		let valueHandle = await links[i].getProperty('innerText');
		let linkText = await valueHandle.jsonValue();
		const text = getText(linkText);
		if (text.indexOf(linkString) >= 0) {
			console.log("Found link");
			return links[i];
		}
	}
	return null;
}

const readFileAsync = promisify(fs.readFile)
const writeFileAsync = promisify(fs.writeFile);
(async() => {
	const browser = await puppeteer.launch({ headless: true, args: ['--no-sandbox', '--disable-setuid-sandbox'] });
	const page = await browser.newPage();
	await page.setViewport({ width: 1200, height: 800 });

	await page.goto(`https://finance.yahoo.com/quote/GARAN.IS/history?period1=1576713600&period2=1582070400&interval=1d&filter=history&frequency=1d`);

	let linkHandlers1 = await findButton(page, "I agree");

	if (linkHandlers1 !== null) {
		await linkHandlers1.click();
		await page.waitForNavigation({ waitUntil: 'load' })
		console.log("clicked agree button");

		//await page.screenshot({ path: './image.jpg', type: 'jpeg' });
		await page.waitFor(4000);

		await page._client.send('Page.setDownloadBehavior', {
			behavior: 'allow',
			downloadPath: './'
		});

		const downloadLink = await findLink(page, "Download Data");
		await page.waitFor(1000);

		if (downloadLink !== null) {
			console.log(downloadLink);
			await downloadLink.click();
			await page.waitFor(4000);
		}
	}
	else {
		//throw new Error("Link 1 not found");
	}

	browser.close()
})()