fix(typings): export extraHeaders option (#1410)

socketio · Nov 20, 2020 · b3de861 · b3de861
1 parent 66e4fdf
commit b3de861
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lib/manager.ts b/lib/manager.ts
@@ -177,6 +177,12 @@ interface EngineOptions {
    */
   rejectUnauthorized: boolean;
 
+  /**
+   * Headers that will be passed for each request to the server (via xhr-polling and via websockets).
+   * These values then can be used during handshake or for special proxies.
+   */
+  extraHeaders?: { [header: string]: string };
+
   /**
    * Whether to include credentials (cookies, authorization headers, TLS
    * client certificates, etc.) with cross-origin XHR polling requests