From a5594c1710da9c9acf8a15b867978bc5a61631fc Mon Sep 17 00:00:00 2001
From: Jonathan Kim <jkimbo@gmail.com>
Date: Fri, 19 Feb 2016 15:50:02 +0000
Subject: [PATCH 1/2] Added failing test for false positive result

---
 tests/lib/rules/jsx-key.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/lib/rules/jsx-key.js b/tests/lib/rules/jsx-key.js
index a6855698be..0fdba3cfde 100644
--- a/tests/lib/rules/jsx-key.js
+++ b/tests/lib/rules/jsx-key.js
@@ -34,7 +34,8 @@ ruleTester.run('jsx-key', rule, {
     {code: '[1, 2, 3].map(x => { return <App key={x} /> });', parserOptions: parserOptions},
     {code: '[1, 2, 3].foo(x => <App />);', parserOptions: parserOptions},
     {code: 'var App = () => <div />;', parserOptions: parserOptions},
-    {code: '[1, 2, 3].map(function(x) { return; });', parserOptions: parserOptions}
+    {code: '[1, 2, 3].map(function(x) { return; });', parserOptions: parserOptions},
+    {code: 'foo(() => <div />);', parserOptions: parserOptions}
   ],
   invalid: [
     {code: '[<App />];',

From 0d2d1629382cf6f499b5ff06d39c2a01845f7ac5 Mon Sep 17 00:00:00 2001
From: Jonathan Kim <jkimbo@gmail.com>
Date: Fri, 19 Feb 2016 16:07:22 +0000
Subject: [PATCH 2/2] Added check for MemberExpression

---
 lib/rules/jsx-key.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/rules/jsx-key.js b/lib/rules/jsx-key.js
index b6da20ec51..b08ed53922 100644
--- a/lib/rules/jsx-key.js
+++ b/lib/rules/jsx-key.js
@@ -52,6 +52,10 @@ module.exports = function(context) {
 
     // Array.prototype.map
     CallExpression: function (node) {
+      if (node.callee && node.callee.type !== 'MemberExpression') {
+        return;
+      }
+
       if (node.callee && node.callee.property && node.callee.property.name !== 'map') {
         return;
       }