Refactored to use app folder.

src/app/(app)/settings/teams/TeamsJoinButton.js

@@ -0,0 +1,29 @@
+import { Button, Icon, Modal, ModalTrigger, Text, useToasts } from 'react-basics';
+import Icons from 'components/icons';
+import useMessages from 'components/hooks/useMessages';
+import TeamJoinForm from './TeamJoinForm';
+
+export function TeamsJoinButton() {
+  const { formatMessage, labels, messages } = useMessages();
+  const { showToast } = useToasts();
+
+  const handleJoin = () => {
+    showToast({ message: formatMessage(messages.saved), variant: 'success' });
+  };
+
+  return (
+    <ModalTrigger>
+      <Button variant="secondary">
+        <Icon>
+          <Icons.AddUser />
+        </Icon>
+        <Text>{formatMessage(labels.joinTeam)}</Text>
+      </Button>
+      <Modal title={formatMessage(labels.joinTeam)}>
+        {close => <TeamJoinForm onSave={handleJoin} onClose={close} />}
+      </Modal>
+    </ModalTrigger>
+  );
+}
+
+export default TeamsJoinButton;