From 872c032582ea6474bb3467c99bf83bd0512086e1 Mon Sep 17 00:00:00 2001
From: Paul Bakaus <paul.bakaus@gmail.com>
Date: Wed, 29 Jul 2026 14:28:15 -0700
Subject: [PATCH] Ignore rounded-none in border accents

AI-assisted change.
---
 cli/engine/engines/regex/detect-text.mjs |  3 ++-
 tests/detect-antipatterns.test.js        | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/cli/engine/engines/regex/detect-text.mjs b/cli/engine/engines/regex/detect-text.mjs
index c664f70b6..03cb0d978 100644
--- a/cli/engine/engines/regex/detect-text.mjs
+++ b/cli/engine/engines/regex/detect-text.mjs
@@ -12,7 +12,8 @@ import { profileFindings, profileStep } from '../../profile/profiler.mjs';
 // Regex fallback (non-HTML files: CSS, JSX, TSX, etc.)
 // ---------------------------------------------------------------------------
 
-const hasRounded = (line) => /\brounded(?:-\w+)?\b/.test(line);
+const hasRounded = (line) =>
+  /\brounded(?:-\w+)?\b/.test(line.replace(/\brounded-none\b/g, ''));
 const hasBorderRadius = (line) => /border-radius/i.test(line);
 const isSafeElement = (line) => /<(?:blockquote|nav[\s>]|pre[\s>]|code[\s>]|a\s|input[\s>]|span[\s>])/i.test(line);
 
diff --git a/tests/detect-antipatterns.test.js b/tests/detect-antipatterns.test.js
index 8fd08f464..85ae0c2e9 100644
--- a/tests/detect-antipatterns.test.js
+++ b/tests/detect-antipatterns.test.js
@@ -199,6 +199,22 @@ describe('detectText — Tailwind side-tab', () => {
     const f = detectText('<div class="border-t-4 border-b-4">', 'test.html');
     expect(f.filter(r => r.antipattern === 'border-accent-on-rounded')).toHaveLength(0);
   });
+
+  test('ignores border accent paired with rounded-none', () => {
+    const f = detectText(
+      '<TabsTrigger className="rounded-none border-b-2 border-transparent data-[state=active]:border-primary" />',
+      'test.tsx',
+    );
+    expect(f.filter(r => r.antipattern === 'border-accent-on-rounded')).toHaveLength(0);
+  });
+
+  test('still detects a real rounded token alongside rounded-none', () => {
+    const f = detectText(
+      '<div className="rounded-none md:rounded-lg border-b-2 border-primary" />',
+      'test.tsx',
+    );
+    expect(f.some(r => r.antipattern === 'border-accent-on-rounded')).toBe(true);
+  });
 });
 
 describe('detectText — CSS borders', () => {