From 48be78ced7852f350d456472db1b69b5d397d25d Mon Sep 17 00:00:00 2001
From: Allie Jones <amjones@etsy.com>
Date: Tue, 11 Feb 2020 12:13:36 -0500
Subject: [PATCH] fix(no-null-param): prevent exception when the data object is
 null

---
 lib/rules/no-null-param.js                    | 2 +-
 test/lib/rules/jquery-compat/no-null-param.js | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/rules/no-null-param.js b/lib/rules/no-null-param.js
index 7fd44d4..a18e068 100644
--- a/lib/rules/no-null-param.js
+++ b/lib/rules/no-null-param.js
@@ -62,7 +62,7 @@ module.exports = {
         argumentObject = argumentObject['data']
       }
 
-      if (typeof argumentObject !== "object") { return }
+      if (typeof argumentObject !== "object" || argumentObject === null) { return }
 
       let foundBadValue = badValueWalker(BANNED_VALUES)(argumentObject)
 
diff --git a/test/lib/rules/jquery-compat/no-null-param.js b/test/lib/rules/jquery-compat/no-null-param.js
index 16c2fb6..36f25c3 100644
--- a/test/lib/rules/jquery-compat/no-null-param.js
+++ b/test/lib/rules/jquery-compat/no-null-param.js
@@ -22,6 +22,9 @@ ruleTester.run('jquery-compat/no-null-param', rules['no-null-param'], {
       code: `var data = { foo: null };
       data.foo = 42;
       $.ajax("hello", { data: data });`
+    },
+    {
+      code: `$.ajax({ data: null });`
     }
   ],
   invalid: [