Clean up listener after it's used once

facebook · Mar 18, 2021 · 28c0533 · 28c0533
1 parent ab84723
commit 28c0533
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/packages/react-dom/src/server/ReactDOMFizzServerBrowser.js b/packages/react-dom/src/server/ReactDOMFizzServerBrowser.js
@@ -26,7 +26,12 @@ function renderToReadableStream(
 ): ReadableStream {
   let request;
   if (options && options.signal) {
-    options.signal.addEventListener('abort', () => abort(request));
+    const signal = options.signal;
+    const listener = () => {
+      abort(request);
+      signal.removeEventListener('abort', listener);
+    };
+    signal.addEventListener('abort', listener);
   }
   return new ReadableStream({
     start(controller) {