Replaced the usage of undocumented res._header with res.headersSent

- https://github.com/nodejs/node/blob/93e0bf9abf350637d772bcce14a5d9527b733300/lib/_http_outgoing.js#L741-L746
expressjs · Aug 3, 2022 · 7b8de6b · 7b8de6b
1 parent 35880d6
commit 7b8de6b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -272,7 +272,7 @@ function session(options) {
           return ret;
         }
 
-        if (!res._header) {
+        if (!res.headersSent) {
           res.writeHead(res.statusCode)
         }