From 2a595fdda0053f86aa3f1c768e7a7e3cc59bbfaf Mon Sep 17 00:00:00 2001
From: Dustin Yoste <dustin.yoste@gmail.com>
Date: Fri, 11 Oct 2019 12:29:51 -0500
Subject: [PATCH] [Fix] `jsx-curly-brace-presence`: Fix filter of undefined
 error with whitespace inside jsx attr curlies

---
 lib/rules/jsx-curly-brace-presence.js       | 6 ++++++
 tests/lib/rules/jsx-curly-brace-presence.js | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/lib/rules/jsx-curly-brace-presence.js b/lib/rules/jsx-curly-brace-presence.js
index 76dc70fb4e..661fe52337 100755
--- a/lib/rules/jsx-curly-brace-presence.js
+++ b/lib/rules/jsx-curly-brace-presence.js
@@ -242,12 +242,18 @@ module.exports = {
     }
 
     function hasAdjacentJsxExpressionContainers(node, children) {
+      if (!children) {
+        return false;
+      }
       const childrenExcludingWhitespaceLiteral = children.filter(child => !isWhiteSpaceLiteral(child));
       const adjSiblings = getAdjacentSiblings(node, childrenExcludingWhitespaceLiteral);
 
       return adjSiblings.some(x => x.type && x.type === 'JSXExpressionContainer');
     }
     function hasAdjacentJsx(node, children) {
+      if (!children) {
+        return false;
+      }
       const childrenExcludingWhitespaceLiteral = children.filter(child => !isWhiteSpaceLiteral(child));
       const adjSiblings = getAdjacentSiblings(node, childrenExcludingWhitespaceLiteral);
 
diff --git a/tests/lib/rules/jsx-curly-brace-presence.js b/tests/lib/rules/jsx-curly-brace-presence.js
index 380d06f787..c6dce207d0 100755
--- a/tests/lib/rules/jsx-curly-brace-presence.js
+++ b/tests/lib/rules/jsx-curly-brace-presence.js
@@ -145,6 +145,9 @@ ruleTester.run('jsx-curly-brace-presence', rule, {
     {
       code: `<App prop='bar'>{'foo \\n bar'}</App>`
     },
+    {
+      code: `<App prop={ ' ' }/>`
+    },
     {
       code: `<MyComponent prop='bar'>foo</MyComponent>`,
       options: [{props: 'never'}]