implemented check for at least one email address

realized by leveraging `disabled` attribute of submit button

1 files changed, 5 insertions, 0 deletions

diff --git a/src/components/auth/Invite.js b/src/components/auth/Invite.js
index dface4fe1..3eb1f2765 100644
--- a/src/components/auth/Invite.js
+++ b/src/components/auth/Invite.js
@@ -74,6 +74,10 @@ export default class Invite extends Component {
     const { form } = this;
     const { intl } = this.context;
 
+    const atLeastOneEmailAddress = form.$('invite')
+      .map(invite => {return invite.$('email').value})
+      .some(email => email.trim() !== '')
+
     return (
       <div className="auth__container auth__container--signup">
         <form className="franz-form auth__form" onSubmit={e => this.submit(e)}>
@@ -96,6 +100,7 @@ export default class Invite extends Component {
           <Button
             type="submit"
             className="auth__button"
+            disabled={!atLeastOneEmailAddress}
             label={intl.formatMessage(messages.submitButtonLabel)}
           />
           <Link