From e68c043d245643c5648fcfc40845f68cf6cc38d1 Mon Sep 17 00:00:00 2001
From: villo <gabrielvilloldo@gmail.com>
Date: Thu, 16 Jan 2020 20:26:55 -0300
Subject: [PATCH] fix(simple-form-iterator): Fixes object-object when there is
 a single TextInput without source param.

#2489
---
 packages/ra-ui-materialui/src/form/SimpleFormIterator.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/ra-ui-materialui/src/form/SimpleFormIterator.js b/packages/ra-ui-materialui/src/form/SimpleFormIterator.js
index 53c3fe60ee7..5c73d09225e 100644
--- a/packages/ra-ui-materialui/src/form/SimpleFormIterator.js
+++ b/packages/ra-ui-materialui/src/form/SimpleFormIterator.js
@@ -103,9 +103,14 @@ export class SimpleFormIterator extends Component {
     };
 
     addField = () => {
-        const { fields } = this.props;
+        const { fields, children } = this.props;
         this.ids.push(this.nextId++);
-        fields.push({});
+        // Checks if there is just 1 children without source param then push string since it's not an {}
+        if (children.props && children.props.source === undefined) {
+            fields.push('');
+        } else {
+            fields.push({});
+        }
     };
 
     render() {