From 78ddd46c9cce7001f31caa7d03fe263033edcdce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre=20Pavlid=C3=A8s?= <ppavlides@hackuity.io>
Date: Fri, 10 Apr 2020 19:14:02 +0200
Subject: [PATCH] [Fix] `no-adjacent-inline-elements`: prevent crash on nullish
 children

Fixes #2620
---
 lib/rules/no-adjacent-inline-elements.js       | 3 +++
 tests/lib/rules/no-adjacent-inline-elements.js | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/lib/rules/no-adjacent-inline-elements.js b/lib/rules/no-adjacent-inline-elements.js
index 28abeef0ba..bdddd79bef 100644
--- a/lib/rules/no-adjacent-inline-elements.js
+++ b/lib/rules/no-adjacent-inline-elements.js
@@ -84,6 +84,9 @@ module.exports = {
     function validate(node, children) {
       let currentIsInline = false;
       let previousIsInline = false;
+      if (!children) {
+        return;
+      }
       for (let i = 0; i < children.length; i++) {
         currentIsInline = isInline(children[i]);
         if (previousIsInline && currentIsInline) {
diff --git a/tests/lib/rules/no-adjacent-inline-elements.js b/tests/lib/rules/no-adjacent-inline-elements.js
index 21b0936362..ed3e91ddd4 100644
--- a/tests/lib/rules/no-adjacent-inline-elements.js
+++ b/tests/lib/rules/no-adjacent-inline-elements.js
@@ -69,6 +69,10 @@ ruleTester.run('no-adjacent-inline-elements', rule, {
       code: '<div><a></a> some text <a></a></div>;',
       parserOptions
     },
+    {
+      code: 'React.createElement("div", null, "some text");',
+      parserOptions
+    },
     {
       code: ('React.createElement("div", undefined, [React.createElement("a"), ' +
         '" some text ", React.createElement("a")]);'),