frontend: email optional

templates/auth/register/index.html

@@ -17,14 +17,13 @@
     </label>
 
     <label class="form__in-group" for="username"
-      >Email
+      >Email(optional)
       <input
         class="form__in-field"
         id="email"
         type="email"
         name="email"
         id="email"
-        required
       />
     </label>
 

templates/auth/register/index.js

@@ -20,17 +20,19 @@ const registerUser = async e => {
     return alert("passwords don't match, check again!");
   }
 
-  let email = document.getElementById('email').value;
-  isBlankString(e, email, 'email');
-
   let exists = await userExists();
   if (exists) {
     return;
   }
 
-  exists = await checkEmailExists();
-  if (exists) {
-    return;
+  let email = document.getElementById('email').value;
+  if (!email.replace(/\s/g, '').length) {
+    email = null;
+  } else {
+    exists = await checkEmailExists();
+    if (exists) {
+      return;
+    }
   }
 
   let payload = {
@@ -54,4 +56,4 @@ export const index = () => {
 
   let username = document.getElementById('username');
   username.addEventListener('input', userExists, false);
-}
+};