prevent multiple cleanup executions

Author: js07

platform/dist/file-stream.js

@@ -129,9 +129,9 @@ async function downloadToTemporaryFile(response, baseMetadata) {
                 // Ignore cleanup errors
             }
         };
-        stream.on("close", cleanup);
-        stream.on("end", cleanup);
-        stream.on("error", cleanup);
+        stream.once("close", cleanup);
+        stream.once("end", cleanup);
+        stream.once("error", cleanup);
         return {
             stream,
             metadata,

platform/lib/file-stream.ts

@@ -147,9 +147,9 @@ async function downloadToTemporaryFile(response: Response, baseMetadata: Partial
       }
     };
 
-    stream.on("close", cleanup);
-    stream.on("end", cleanup);
-    stream.on("error", cleanup);
+    stream.once("close", cleanup);
+    stream.once("end", cleanup);
+    stream.once("error", cleanup);
 
     return {
       stream,