From 458ebfc0774d0144e795844dd132c261ab51fc21 Mon Sep 17 00:00:00 2001
From: meowtec <bertonzh@gmail.com>
Date: Wed, 23 Mar 2022 19:03:58 +0800
Subject: [PATCH] [Fix] `button-has-type`: fix exception for `<button type>`

---
 lib/rules/button-has-type.js       | 2 +-
 tests/lib/rules/button-has-type.js | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/rules/button-has-type.js b/lib/rules/button-has-type.js
index add42d69ca..277f6c2a31 100644
--- a/lib/rules/button-has-type.js
+++ b/lib/rules/button-has-type.js
@@ -126,7 +126,7 @@ module.exports = {
           return;
         }
 
-        if (typeProp.value.type === 'JSXExpressionContainer') {
+        if (typeProp.value && typeProp.value.type === 'JSXExpressionContainer') {
           checkExpression(node, typeProp.value.expression);
           return;
         }
diff --git a/tests/lib/rules/button-has-type.js b/tests/lib/rules/button-has-type.js
index 8c7ab73955..be47c7e51e 100644
--- a/tests/lib/rules/button-has-type.js
+++ b/tests/lib/rules/button-has-type.js
@@ -179,6 +179,15 @@ ruleTester.run('button-has-type', rule, {
         },
       ],
     },
+    {
+      code: '<button type/>',
+      errors: [
+        {
+          messageId: 'invalidValue',
+          data: { value: true },
+        },
+      ],
+    },
     {
       code: '<button type={condition ? "reset" : "button"}/>',
       options: [{ reset: false }],