requestListener.js

const filterRequestForScript = (requestUrl) => {
    let someUrl = `https://somescript-cdn` // The script your looking for
    let myScriptWasFound = requestUrl.includes(someUrl)
    return myScriptWasFound
}

const checkIfScriptLoad = async ({ page, url }) => {
    try {
        let timeOutRacer = new Promise((resolve, reject) => {
            let wait = setTimeout(async () => {
                clearTimeout(wait);
                resolve('timeout Done');
            }, 20000)
        })

        let scriptLoadRacer = new Promise(async (resolve, reject) => {
            try {
                page.on('request', async request => {
                    let requestUrl = request.url()
                    if (filterRequestForScript(requestUrl)) {
                        resolve('both chekcs completed')
                    }
                })
                await page.setDefaultNavigationTimeout(0);
                await page.goto(url);
            } catch (error) {
                reject(error)
            }
        })
        await Promise.race([timeOutRacer, scriptLoadRacer])
        return 'done'

    } catch (error) {
        return error
    }
}