Read and write cookies

cookie_helper.js

const getCookie = (name) => {
    const cookies = document.cookie.split(';');
    for (let i = 0; i < cookies.length; i++) {
        let c = cookies[i].trim().split('=');
        if (c[0] === name) {
            return c[1];
        }
    }
    return "";
}

const setCookie = (name, value, days, path, domain, secure) => {
    let cookie = `${name}=${encodeURIComponent(value)}`;

    // Add expiry date
    if (days) {
        const expiry = new Date();
        expiry.setDate(expiry.getDate() + days);
        cookie += `; expires=${expiry.toUTCString()}`;
    }

    // Add Path, Domain, and Secure
    if (path) cookie += `; path=${path}`;
    if (domain) cookie += `; domain=${domain}`;
    if (secure) cookie += `; secure`;

    // Set an HTTP cookie
    document.cookie = cookie;
};