From 748e18c22eeefceb4030c8f8e5e9e9c342b05982 Mon Sep 17 00:00:00 2001
From: Damien Arrachequesne <damien.arrachequesne@gmail.com>
Date: Thu, 22 Feb 2024 10:11:59 +0100
Subject: [PATCH] ci: test with older TypeScript version

Related: https://github.com/socketio/socket.io/issues/3891
---
 .github/workflows/ci.yml          | 4 ++++
 test/connection-state-recovery.ts | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0f230ce3a3..5a21bdeba7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,6 +32,10 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
+      - name: Install TypeScript 4.2
+        run: npm i typescript@4.2
+        if: ${{ matrix.node-version == '16' }}
+
       - name: Run tests
         run: npm test
         env:
diff --git a/test/connection-state-recovery.ts b/test/connection-state-recovery.ts
index b9d1678cb3..e84cae6a04 100644
--- a/test/connection-state-recovery.ts
+++ b/test/connection-state-recovery.ts
@@ -221,11 +221,11 @@ describe("connection state recovery", () => {
     const httpServer = createServer().listen(0);
 
     class DummyAdapter extends Adapter {
-      override persistSession(session) {
+      persistSession(session) {
         expect().fail();
       }
 
-      override restoreSession(pid, offset) {
+      restoreSession(pid, offset) {
         expect().fail();
         return Promise.reject("should not happen");
       }