From 9b0148ace5472ba9eda03855e15b0d819a168615 Mon Sep 17 00:00:00 2001
From: cassln <nikita.mlnk@gmail.com>
Date: Wed, 12 Jul 2017 15:04:10 +0300
Subject: [PATCH] Fix infinity rerender with NaN value

---
 src/utils.js        | 4 +++-
 tests/Utils-spec.js | 7 +++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index f8b94a3c..3270c303 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -36,7 +36,9 @@ module.exports = {
       return a.toString() === b.toString();
     } else if (typeof a === 'object' && a !== null && b !== null) {
       return !this.objectsDiffer(a, b);
-    }
+    } else if (typeof a === 'number' && isNaN(a) && isNaN(b)) {
+      return true;
+    } 
 
     return a === b;
   },
diff --git a/tests/Utils-spec.js b/tests/Utils-spec.js
index 1437ab91..63f4849b 100644
--- a/tests/Utils-spec.js
+++ b/tests/Utils-spec.js
@@ -12,6 +12,8 @@ export default {
     const objF = undefined;
     const objG = null;
     const objH = null;
+    const objI = NaN;
+    const objJ = NaN;
 
     test.equal(utils.isSame(objA, objB), true);
     test.equal(utils.isSame(objC, objD), true);
@@ -26,6 +28,11 @@ export default {
     test.equal(utils.isSame(objC, objH), false);
     test.equal(utils.isSame(objG, objA), false);
 
+    test.equal(utils.isSame(objI, objJ), true);
+    test.equal(utils.isSame(objA, objJ), false);
+    test.equal(utils.isSame(objC, objJ), false);
+    test.equal(utils.isSame(objI, objA), false);
+
     test.equal(utils.isSame(() => {}, () => {}), true);
     test.equal(utils.isSame(objA, () => {}), false);
     test.equal(utils.isSame(() => {}, objA), false);