From 89b81ce6a21b88e66cb686a2aa40f2a86834029d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kr=C3=A6n=20Hansen?= <kraen.hansen@mongodb.com>
Date: Mon, 15 May 2023 16:02:34 +0200
Subject: [PATCH] fix: check-tag-names crash on module comment

---
 docs/rules/check-tag-names.md          |  6 ++++++
 src/rules/checkTagNames.js             |  4 ++++
 test/rules/assertions/checkTagNames.js | 13 +++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/docs/rules/check-tag-names.md b/docs/rules/check-tag-names.md
index a38e25a26..d37eb6ba0 100644
--- a/docs/rules/check-tag-names.md
+++ b/docs/rules/check-tag-names.md
@@ -1122,5 +1122,11 @@ interface WebTwain {
  * @satisfies
  */
 // Settings: {"jsdoc":{"mode":"typescript"}}
+
+/**
+ * @module
+ * A comment related to the module
+ */
+// "jsdoc/check-tag-names": ["error"|"warn", {"typed":true}]
 ````
 
diff --git a/src/rules/checkTagNames.js b/src/rules/checkTagNames.js
index 8aa07bc20..d7adc39a0 100644
--- a/src/rules/checkTagNames.js
+++ b/src/rules/checkTagNames.js
@@ -143,6 +143,10 @@ export default iterateJsdoc(({
       return false;
     }
 
+    if (node === null) {
+      return false;
+    }
+
     if (context.getFilename().endsWith('.d.ts') && [
       'Program', null, undefined,
     ].includes(node?.parent?.type)) {
diff --git a/test/rules/assertions/checkTagNames.js b/test/rules/assertions/checkTagNames.js
index 955f21cf7..b7d42dbf7 100644
--- a/test/rules/assertions/checkTagNames.js
+++ b/test/rules/assertions/checkTagNames.js
@@ -1455,5 +1455,18 @@ export default {
         },
       },
     },
+    {
+      code: `
+        /**
+         * @module
+         * A comment related to the module
+         */
+      `,
+      options: [
+        {
+          typed: true,
+        },
+      ],
+    },
   ],
 };