fix いろいろ

resources/assets/js/components/FieldError.tsx

@@ -0,0 +1,16 @@
+import * as React from 'react';
+
+type FieldErrorProps = {
+    errors?: string[];
+};
+
+export const FieldError: React.FC<FieldErrorProps> = ({ errors }) =>
+    (errors && errors.length > 0 && <div className="invalid-feedback">{errors[0]}</div>) || null;
+
+export const StandaloneFieldError: React.FC<FieldErrorProps> = ({ errors }) =>
+    (errors && errors.length > 0 && (
+        <div className="form-group col-sm-12" style={{ marginTop: '-1rem' }}>
+            <small className="text-danger">{errors[0]}</small>
+        </div>
+    )) ||
+    null;