将变量传递给主 function Nodejs

Question

Basically I'm trying to pass the "Browser" variable on to my main function, to pass on to "CheckStock". I've tried many thing but just can't seem to find a way how to do this. If anyone knows how to, please let me know. Thanks in advance: :)

// STARTUP BROWSER & GO TO URL
async function openBrowser(monitorURL) {
  const browser = await puppeteer.launch({headless: false});
  const page = await browser.newPage();
  await page.goto(monitorURL)
  return browser, page;
}

/* 
...
...
...
other code
...
...
...
*/

// MAIN FUNCTION
async function monitor(monitorURL){
  const page  = await openBrowser(monitorURL);
  await checkStock(page, browser)
}

Answer 1

You need to change how you return the two values to this (so they are both available in a returned object):

async function openBrowser(monitorURL) {
  const browser = await puppeteer.launch({headless: false});
  const page = await browser.newPage();
  await page.goto(monitorURL)
  return {browser, page};
}

And, then how you get them both out of that object:

// MAIN FUNCTION
async function monitor(monitorURL){
  const {page, browser} = await openBrowser(monitorURL);
  await checkStock(page, browser);
}