[site-reviews] Autosave form values

document.addEventListener('DOMContentLoaded', () => {
    if ('undefined' === typeof window.GLSR) return;
    const storeKey = (el) => 'checkbox' === el.type ? (el.name + el.value) : el.name;
    const event = (ev) => sessionStorage.setItem(storeKey(ev.target), ev.target.value);
    // const forget = (el) => el.removeEventListener('change', event);
    const listen = (el) => el.addEventListener('change', event);
    const restore = (el) => {
        const value = sessionStorage.getItem(storeKey(el));
        if (null === value) return;
        if (['checkbox','radio'].includes(el.type)) {
            el.checked = (el.value === value);
        } else {
            el.value = value;
        }
        el.dispatchEvent(new Event('change'))
    };
    GLSR.Event.on('site-reviews/loaded', () => {
        GLSR.forms.forEach(o => [...o.form.elements].forEach(el => {
            if (el.disabled || el.readonly || ['file','hidden','password','submit'].includes(el.type)) return;
            if (['input','select','textarea'].includes(el.localName)) {
                restore(el)
                listen(el)
            }
        }))
    })
    GLSR.Event.on('site-reviews/form/handle', (response) => {
        if (true === response.success) {
            sessionStorage.clear()
        }
    })
})