From 226c1be96415677e2efe5d9824498be1be03b6ce Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Sat, 14 Mar 2026 00:36:24 +0000
Subject: [PATCH] fix: tighten bonjour whitespace error coverage

---
 src/infra/bonjour-errors.test.ts | 8 ++++++++
 src/infra/bonjour-errors.ts      | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/infra/bonjour-errors.test.ts b/src/infra/bonjour-errors.test.ts
index d102e96284c..2d25ddefae9 100644
--- a/src/infra/bonjour-errors.test.ts
+++ b/src/infra/bonjour-errors.test.ts
@@ -14,6 +14,14 @@ describe("formatBonjourError", () => {
     expect(formatBonjourError(err)).toBe("AbortError");
   });
 
+  it("treats whitespace-only messages as blank", () => {
+    const named = new Error("   ");
+    named.name = "AbortError";
+    expect(formatBonjourError(named)).toBe("AbortError");
+
+    expect(formatBonjourError(new Error("   "))).toBe("Error");
+  });
+
   it("falls back to plain error strings and non-error values", () => {
     expect(formatBonjourError(new Error(""))).toBe("Error");
     expect(formatBonjourError("boom")).toBe("boom");
diff --git a/src/infra/bonjour-errors.ts b/src/infra/bonjour-errors.ts
index 17ac468ec6e..1703f2696bf 100644
--- a/src/infra/bonjour-errors.ts
+++ b/src/infra/bonjour-errors.ts
@@ -1,6 +1,7 @@
 export function formatBonjourError(err: unknown): string {
   if (err instanceof Error) {
-    const msg = err.message || String(err);
+    const trimmedMessage = err.message.trim();
+    const msg = trimmedMessage || err.name || String(err).trim();
     if (err.name && err.name !== "Error") {
       return msg === err.name ? err.name : `${err.name}: ${msg}`;
     }