From 37c32d8c91265a9a627385a79819a19c1af637d0 Mon Sep 17 00:00:00 2001
From: Jordan Sussman <52428171+jordan-sussman@users.noreply.github.com>
Date: Wed, 25 Feb 2026 10:51:21 -0800
Subject: [PATCH] Refactor path normalization in filterIgnoredDiagnostics

---
 packages/react-doctor/src/utils/filter-diagnostics.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/react-doctor/src/utils/filter-diagnostics.ts b/packages/react-doctor/src/utils/filter-diagnostics.ts
index ce0280d..3747543 100644
--- a/packages/react-doctor/src/utils/filter-diagnostics.ts
+++ b/packages/react-doctor/src/utils/filter-diagnostics.ts
@@ -1,3 +1,4 @@
+import path from "node:path";
 import type { Diagnostic, ReactDoctorConfig } from "../types.js";
 import { compileGlobPattern } from "./match-glob-pattern.js";
 
@@ -20,7 +21,11 @@ export const filterIgnoredDiagnostics = (
       return false;
     }
 
-    const normalizedPath = diagnostic.filePath.replace(/\\/g, "/").replace(/^\.\//, "");
+    const projectRoot = config.projectRoot ?? process.cwd();
+    const normalizedPath = path
+      .relative(projectRoot, diagnostic.filePath)
+      .replace(/\\/g, "/");
+
     if (ignoredFilePatterns.some((pattern) => pattern.test(normalizedPath))) {
       return false;
     }