From cf45c040690060283cac84cf09dd5b52a15c48ca Mon Sep 17 00:00:00 2001
From: Peter Richardson <github@zoomy.net>
Date: Mon, 12 Nov 2018 20:47:24 -0800
Subject: [PATCH] add shouldComponentUpdate checks for differences in props and
 state - addresses https://github.com/maputnik/editor/issues/467

---
 src/components/map/MapboxGlMap.jsx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/components/map/MapboxGlMap.jsx b/src/components/map/MapboxGlMap.jsx
index dd4885f..0a482f9 100644
--- a/src/components/map/MapboxGlMap.jsx
+++ b/src/components/map/MapboxGlMap.jsx
@@ -97,6 +97,16 @@ export default class MapboxGlMap extends React.Component {
     }
   }
 
+  shouldComponentUpdate(nextProps, nextState) {
+    let should = false;
+    try {
+      should = JSON.stringify(this.props) !== JSON.stringify(nextProps) || JSON.stringify(this.state) !== JSON.stringify(nextState);
+    } catch(e) {
+      // no biggie, carry on
+    }
+    return should;
+  }
+
   componentDidUpdate(prevProps) {
     if(!IS_SUPPORTED) return;