From 928921fc9ceb84ab2fa87fdd3b7444ef020f4f91 Mon Sep 17 00:00:00 2001
From: Evert Pot <me@evertpot.com>
Date: Thu, 19 Nov 2020 21:48:38 -0500
Subject: [PATCH] Fix refresh bug for flows that don't have a client_secret.

Refresh never worked for authorization_code in this manner.
---
 src/fetch-wrapper.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fetch-wrapper.ts b/src/fetch-wrapper.ts
index 1517ad5..3a11d56 100644
--- a/src/fetch-wrapper.ts
+++ b/src/fetch-wrapper.ts
@@ -158,7 +158,7 @@ export default class OAuth2 {
         grant_type: 'refresh_token',
         refresh_token: previousToken.refreshToken
       };
-      if ((this.options as any).clientSecret !== undefined) {
+      if ((this.options as any).clientSecret === undefined) {
         // If there is no secret, it means we need to send the clientId along
         // in the body.
         body.client_id = this.options.clientId;