From 09fbdb8bf71f5732917c61b7e6f97284d8c4e0a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Burzy=C5=84ski?= <mateuszburzynski@gmail.com>
Date: Fri, 6 Jun 2025 20:56:40 +0200
Subject: [PATCH] Fixed JSDoc display on `JsxNamespacedName` attributes

---
 src/services/services.ts                      |  1 +
 .../quickInfoOnJsxNamespacedNameWithDoc1.ts   | 24 +++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 tests/cases/fourslash/quickInfoOnJsxNamespacedNameWithDoc1.ts

diff --git a/src/services/services.ts b/src/services/services.ts
index 0534598da21d7..4849749a0656b 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -3546,6 +3546,7 @@ function getContainingObjectLiteralElementWorker(node: Node): ObjectLiteralEleme
         // falls through
 
         case SyntaxKind.Identifier:
+        case SyntaxKind.JsxNamespacedName:
             return isObjectLiteralElement(node.parent) &&
                     (node.parent.parent.kind === SyntaxKind.ObjectLiteralExpression || node.parent.parent.kind === SyntaxKind.JsxAttributes) &&
                     node.parent.name === node ? node.parent : undefined;
diff --git a/tests/cases/fourslash/quickInfoOnJsxNamespacedNameWithDoc1.ts b/tests/cases/fourslash/quickInfoOnJsxNamespacedNameWithDoc1.ts
new file mode 100644
index 0000000000000..e3f47fec79472
--- /dev/null
+++ b/tests/cases/fourslash/quickInfoOnJsxNamespacedNameWithDoc1.ts
@@ -0,0 +1,24 @@
+/// <reference path="fourslash.ts" />
+
+// @jsx: react
+
+// https://github.com/microsoft/TypeScript/issues/61820
+
+// @Filename: /types.d.ts
+//// declare namespace JSX {
+////   interface IntrinsicElements {
+////     'my-el': {
+////       /** This appears */
+////       foo: string;
+////
+////       /** This also appears */
+////       'prop:foo': string;
+////     };
+////   }
+//// }
+
+// @filename: /a.tsx
+//// <my-el /*1*/prop:foo="bar" /*2*/foo="baz" />
+
+verify.quickInfoAt("1", "(property) 'prop:foo': string", "This also appears");
+verify.quickInfoAt("2", "(property) foo: string", "This appears");