Pass function for returning data directly to "run"

argument-alias-alt.js

async function run(products, dataReturnFx) {
    async function crawlPage(url) {
        const page = await browser.newPage();
        const pageResult = await page.goto(url);
        let resultObj = { success: pageResult.ok, url };
        resultGroup.push(resultObj);
        dataReturnFx('crawled', resultObj);
        return page.close();
    }
    
    //more logic...
}

run(myProducts, console.log); //cli version
run(myProducts, socket.emit); //dashboard-UI version