Prevent displaying popup after dismiss

[MAILPOET-2741]

assets/js/src/public.jsx

@@ -2,6 +2,26 @@ import MailPoet from 'mailpoet';
 import jQuery from 'jquery';
 import 'parsleyjs';
 
+function setCookie(name, value, days) {
+  let expires = '';
+  if (days) {
+    const date = new Date();
+    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
+    expires = `; expires=${date.toUTCString()}`;
+  }
+  document.cookie = `${name}=${value}${expires}; path=/`;
+}
+function getCookie(name) {
+  const nameEQ = `${name}=`;
+  const ca = document.cookie.split(';');
+  for (let i = 0; i < ca.length; i += 1) {
+    let c = ca[i];
+    while (c.charAt(0) === ' ') c = c.substring(1, c.length);
+    if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
+  }
+  return null;
+}
+
 jQuery(($) => {
   window.reCaptchaCallback = function reCaptchaCallback() {
     $('.mailpoet_recaptcha').each((index, element) => {
@@ -38,9 +58,13 @@ jQuery(($) => {
     $('.mailpoet_popup_close_icon').click((event) => {
       const closeIcon = $(event.target);
       closeIcon.parent().removeClass('active');
+      setCookie('popup_form_dismissed', '1', 365);
     });
 
     $('div.mailpoet_form_popup').each((index, element) => {
+      const cookieValue = getCookie('popup_form_dismissed');
+      if (cookieValue === '1') return;
+
       const formDiv = $(element);
       const form = formDiv.find('form');
       const background = form.data('background-color');