Moved code into src folder. Added build for component library.

src/components/pages/settings/teams/TeamLeaveForm.js

@@ -0,0 +1,37 @@
+import { Button, Form, FormButtons, SubmitButton } from 'react-basics';
+import useApi from 'components/hooks/useApi';
+import useMessages from 'components/hooks/useMessages';
+
+export function TeamLeaveForm({ teamId, userId, teamName, onSave, onClose }) {
+  const { formatMessage, labels, messages, FormattedMessage } = useMessages();
+  const { del, useMutation } = useApi();
+  const { mutate, error, isLoading } = useMutation(() => del(`/teams/${teamId}/users/${userId}`));
+
+  const handleSubmit = async () => {
+    mutate(
+      {},
+      {
+        onSuccess: async () => {
+          onSave();
+          onClose();
+        },
+      },
+    );
+  };
+
+  return (
+    <Form onSubmit={handleSubmit} error={error}>
+      <p>
+        <FormattedMessage {...messages.confirmDelete} values={{ target: <b>{teamName}</b> }} />
+      </p>
+      <FormButtons flex>
+        <SubmitButton variant="danger" disabled={isLoading}>
+          {formatMessage(labels.leave)}
+        </SubmitButton>
+        <Button onClick={onClose}>{formatMessage(labels.cancel)}</Button>
+      </FormButtons>
+    </Form>
+  );
+}
+
+export default TeamLeaveForm;