From 979eb763fc01788809af95c2856af89e664df6f9 Mon Sep 17 00:00:00 2001
From: Tim Griesser <tgriesser10@gmail.com>
Date: Fri, 31 Oct 2025 09:35:47 -0400
Subject: [PATCH] add failing test for is.class bug

---
 package.json      |  2 +-
 test/test-node.js | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 test/test-node.js

diff --git a/package.json b/package.json
index feacdd1..0ab2c2a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
 	},
 	"scripts": {
 		"build": "del distribution && tsc",
-		"test": "tsc --noEmit && xo && ava",
+		"test": "tsc --noEmit && xo && ava && node test/test-node.js",
 		"prepare": "npm run build"
 	},
 	"files": [
diff --git a/test/test-node.js b/test/test-node.js
new file mode 100644
index 0000000..e742b87
--- /dev/null
+++ b/test/test-node.js
@@ -0,0 +1,15 @@
+import assert from 'node:assert';
+import {test} from 'node:test';
+import is, {assert as isAssert} from '../distribution/index.js';
+
+// Note: this test is separate from the rest of the tests, as it requires
+// preserving whitespace. The tsimp modifies the source and does not
+// properly preserve the intended test case
+test('is.class', () => {
+	const minifiedClass = class{}; // eslint-disable-line keyword-spacing
+	assert.ok(is.class(minifiedClass));
+
+	assert.doesNotThrow(() => {
+		isAssert.class(minifiedClass);
+	});
+});