From 81c49d7636d9a1f447cfc1038aecd289a2c25bb9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 19 Feb 2026 00:59:46 +0000
Subject: [PATCH] fix: add null checks for regex match results to satisfy
 TypeScript strict mode

Co-authored-by: mrlubos <12529395+mrlubos@users.noreply.github.com>
---
 packages/openapi-ts-tests/main/test/2.0.x.test.ts | 2 +-
 packages/openapi-ts-tests/main/test/3.0.x.test.ts | 2 +-
 packages/openapi-ts-tests/main/test/3.1.x.test.ts | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/openapi-ts-tests/main/test/2.0.x.test.ts b/packages/openapi-ts-tests/main/test/2.0.x.test.ts
index 9edb12831..916d1645a 100644
--- a/packages/openapi-ts-tests/main/test/2.0.x.test.ts
+++ b/packages/openapi-ts-tests/main/test/2.0.x.test.ts
@@ -300,7 +300,7 @@ describe(`OpenAPI ${version}`, () => {
               );
               // Deduplicate prefixes: Foo_Foo → Foo
               const m = clean.match(/^([A-Za-z\d]+)_\1([A-Za-z\d]*)$/);
-              if (m) clean = m[1] + m[2];
+              if (m?.[1] && m?.[2] !== undefined) clean = m[1] + m[2];
               return clean;
             },
           },
diff --git a/packages/openapi-ts-tests/main/test/3.0.x.test.ts b/packages/openapi-ts-tests/main/test/3.0.x.test.ts
index 22fff3851..b39fcff4e 100644
--- a/packages/openapi-ts-tests/main/test/3.0.x.test.ts
+++ b/packages/openapi-ts-tests/main/test/3.0.x.test.ts
@@ -603,7 +603,7 @@ describe(`OpenAPI ${version}`, () => {
               );
               // Deduplicate prefixes: Foo_Foo → Foo
               const m = clean.match(/^([A-Za-z\d]+)_\1([A-Za-z\d]*)$/);
-              if (m) clean = m[1] + m[2];
+              if (m?.[1] && m?.[2] !== undefined) clean = m[1] + m[2];
               return clean;
             },
           },
diff --git a/packages/openapi-ts-tests/main/test/3.1.x.test.ts b/packages/openapi-ts-tests/main/test/3.1.x.test.ts
index 0ed636eae..2a42d0494 100644
--- a/packages/openapi-ts-tests/main/test/3.1.x.test.ts
+++ b/packages/openapi-ts-tests/main/test/3.1.x.test.ts
@@ -705,7 +705,7 @@ describe(`OpenAPI ${version}`, () => {
               );
               // Deduplicate prefixes: Foo_Foo → Foo
               const m = clean.match(/^([A-Za-z\d]+)_\1([A-Za-z\d]*)$/);
-              if (m) clean = m[1] + m[2];
+              if (m?.[1] && m?.[2] !== undefined) clean = m[1] + m[2];
               return clean;
             },
           },
-- 
2.51.2