folio/public/assets/js/comments.js

document.addEventListener('DOMContentLoaded', function () {
    var maxAge = 365 * 24 * 3600;
    function getCookie(name) {
        var m = document.cookie.match('(?:^|; )' + name + '=([^;]*)');
        return m ? decodeURIComponent(m[1]) : '';
    }
    function setCookie(name, value) {
        document.cookie = name + '=' + encodeURIComponent(value) + ';max-age=' + maxAge + ';path=/;SameSite=Lax';
    }
    var nameEl  = document.getElementById('comment-name');
    var emailEl = document.getElementById('comment-email');
    if (!nameEl || !emailEl) { return; }
    var savedName  = getCookie('cmt_name');
    var savedEmail = getCookie('cmt_email');
    if (savedName)  { nameEl.value  = savedName; }
    if (savedEmail) { emailEl.value = savedEmail; }
    var form = document.getElementById('comment-form');
    if (form) {
        form.addEventListener('submit', function () {
            if (nameEl.value.trim())  { setCookie('cmt_name',  nameEl.value.trim()); }
            if (emailEl.value.trim()) { setCookie('cmt_email', emailEl.value.trim()); }
        });
    }
});