CF-7 block submit button on sending

block-submit.js

export default function cf_7() {
    console.info('cf-7');
    let cf_7 = document.querySelectorAll('.wpcf7-form');

    if (cf_7 && cf_7.length > 0) {
        cf_7.forEach(function (cf_7_form) {
            const submit_button = cf_7_form.querySelector('.wpcf7-submit');
            if (submit_button) {
                cf_7_form.addEventListener('submit', function (event) {
                    submit_button.setAttribute('disabled', '');
                });

                cf_7_form.addEventListener('wpcf7submit', function (event) {
                    submit_button.removeAttribute('disabled');
                });
            }
        });
    }
}