add helper for work with cookies

web/app/common/cookies.js

@@ -0,0 +1,39 @@
+// possible options: expires (in seconds), path, domain, secure
+export function setCookie(name, value, options = {}) {
+  let expires = options.expires;
+
+  if (typeof expires === 'number' && expires) {
+    const d = new Date();
+    d.setTime(d.getTime() + expires * 1000);
+    expires = options.expires = d;
+  }
+
+  if (expires && expires.toUTCString) {
+    options.expires = expires.toUTCString();
+  }
+
+  value = encodeURIComponent(value);
+
+  let updatedCookie = `${name}=${value}`;
+
+  for (let propName in options) {
+    updatedCookie += `; ${propName}`;
+    if (options[propName] !== true) {
+      updatedCookie += `=${options[propName]}`;
+    }
+  }
+
+  document.cookie = updatedCookie;
+}
+
+export function getCookie(name) {
+  const matches = document.cookie.match(
+    new RegExp(`(?:^|; )${name.replace(/([.$?*|{}()[\]\\/+^])/g, '\\$1')}=([^;]*)`)
+  );
+
+  return matches ? decodeURIComponent(matches[1]) : undefined;
+}
+
+export function deleteCookie(name) {
+  setCookie(name, '', { expires: -1 });
+}