{
    "editor.formatOnSave": true,
    "editor.defaultFormatter": "denoland.vscode-deno"
}

"imports": {
    "$fresh/": "https://deno.land/x/fresh@1.6.7/",
    "$fresh_charts/": "https://deno.land/x/fresh_charts@0.3.1/",
    ...
}

// @deno-types="npm:@types/express@^4.17"
import express from "npm:express@^4.17";

// @deno-types="npm:@types/selenium-webdriver"
import { Browser, Builder, By } from "npm:selenium-webdriver";
import { Options } from "npm:selenium-webdriver/chrome.js";

export async function fetchTitle(url: string): Promise<string | undefined> {
  const options = new Options();
  options.addArguments("--headless");
  const driver = await new Builder().forBrowser(Browser.CHROME)
    .setChromeOptions(options).build();
  await driver.navigate().to(url);
  const element = await driver.findElement(By.css("h1"));
  const title = await element.getText();
  await driver.quit();
  return title;
}

Exception in cron handler example Error: Unable to obtain browser driver.
        For more information on how to install drivers see
        https://www.selenium.dev/documentation/webdriver/troubleshooting/errors/driver_location/.

PUPPETEER_PRODUCT=chrome deno run -A --unstable https://deno.land/x/puppeteer@16.2.0/install.ts

import puppeteer from "https://deno.land/x/puppeteer@16.2.0/mod.ts";

export async function fetchTitle(url: string): Promise<any> {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto(url);
  const element = await page.waitForSelector("h1");
  const title = await element?.evaluate((e) => e.textContent);
  await browser.close();
  return title;
}