From 1e29e4f3bd482bf3320969abbda6c586801bd283 Mon Sep 17 00:00:00 2001
From: Yurii Khmelvskii <y@uwinart.com>
Date: Wed, 10 Aug 2016 08:20:50 +0300
Subject: [PATCH] [fixed] Dont change body class if isOpen not change (#201)

---
 lib/components/Modal.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/lib/components/Modal.js b/lib/components/Modal.js
index 0fb48f26..f4b79950 100644
--- a/lib/components/Modal.js
+++ b/lib/components/Modal.js
@@ -65,14 +65,16 @@ var Modal = React.createClass({
   },
 
   renderPortal: function(props) {
-    if (props.isOpen) {
-      elementClass(document.body).add('ReactModal__Body--open');
-    } else {
-      elementClass(document.body).remove('ReactModal__Body--open');
-    }
+    if (this.props.isOpen !== props.isOpen) {
+      if (props.isOpen) {
+        elementClass(document.body).add('ReactModal__Body--open');
+      } else {
+        elementClass(document.body).remove('ReactModal__Body--open');
+      }
 
-    if (props.ariaHideApp) {
-      ariaAppHider.toggle(props.isOpen, props.appElement);
+      if (props.ariaHideApp) {
+        ariaAppHider.toggle(props.isOpen, props.appElement);
+      }
     }
 
     this.portal = renderSubtreeIntoContainer(this, ModalPortal(Assign({}, props, {defaultStyles: Modal.defaultStyles})), this.node);