From d1dbfe1023b51db491c759a981a1d6ccedd0cf9b Mon Sep 17 00:00:00 2001
From: Amauri Dias <33326988+fxamauri@users.noreply.github.com>
Date: Sun, 11 Apr 2021 18:20:37 -0300
Subject: [PATCH] fix: truly replace .flat() to support Node <11 again (#1691)

---
 src/server/lib/oauth/state-handler.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/lib/oauth/state-handler.js b/src/server/lib/oauth/state-handler.js
index b94020569a..01815045d9 100644
--- a/src/server/lib/oauth/state-handler.js
+++ b/src/server/lib/oauth/state-handler.js
@@ -41,7 +41,7 @@ export async function handleCallback (req, res) {
 export async function handleSignin (req, res) {
   const { provider, baseUrl, basePath, csrfToken } = req.options
   try {
-    if (![provider.protection].flat().includes('state')) { // Provider does not support state, nothing to do.
+    if (!provider.protection.includes('state')) { // Provider does not support state, nothing to do.
       return
     }