refilc-extension/serviceWorker.js

const getCookies = async (url) => {
    await new Promise((resolve, reject) => {
        chrome.cookies.getAll({ url: url }, (cookies) => {
            if (chrome.runtime.lastError) {
                return reject(chrome.runtime.lastError)
            }
            resolve(cookies)
        })
    })
}

const sendMimicedRequest = async (
    url,
    headers,
) => {
    let returnValue

    if (url) {
        returnValue = fetch(url, headers)
    }

    if (returnValue) {
        return returnValue
    }
}