From 29e9691fb516a92e99322a9832ceb120bb2e475e Mon Sep 17 00:00:00 2001
From: Anton Korzunov <thekashey@gmail.com>
Date: Mon, 22 Apr 2019 18:28:20 +1000
Subject: [PATCH] fix: infinite loop on ref set

---
 src/Lock.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/Lock.js b/src/Lock.js
index fcdec65..7f11646 100644
--- a/src/Lock.js
+++ b/src/Lock.js
@@ -51,10 +51,13 @@ class FocusLock extends Component {
 
   onBlur = onBlur;
 
-  setObserveNode = observed =>
-    this.setState({
-      observed,
-    });
+  setObserveNode = (observed) => {
+    if (this.state.observed !== observed) {
+      this.setState({
+        observed,
+      });
+    }
+  };
 
   // active status is tracked outside React state
   isActive = false;