fix(sse_handler_middleware): detach event listener on connection clos…

…e with once()
toverux · May 28, 2017 · 0fa831f · 0fa831f
1 parent 0ebcb3c
commit 0fa831f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sse_handler_middleware.ts b/src/sse_handler_middleware.ts
@@ -35,7 +35,7 @@ export function sseHandler(options: Partial<ISseMiddlewareOptions> = {}): Handle
             res.write(': sse-keep-alive\n');
         }, keepAliveInterval);
 
-        res.on('close', () => clearInterval(keepAliveTimer));
+        res.once('close', () => clearInterval(keepAliveTimer));
 
         //=> Done
         next();