fix: iframe input hook (#991)

* fix: iframe input hook (#990)

* Update observer.ts

* format code with prettier

* format all code with prettier

Co-authored-by: luocq3 <luocq3@asiainfo.com>
Co-authored-by: Yun Feng <yun.feng@anu.edu.au>

packages/rrweb/src/record/observer.ts

@@ -428,28 +428,40 @@ function initInputObserver({
   const handlers: Array<
     listenerHandler | hookResetter
   > = events.map((eventName) => on(eventName, eventHandler, doc));
-  const propertyDescriptor = Object.getOwnPropertyDescriptor(
-    HTMLInputElement.prototype,
+  const currentWindow = doc.defaultView;
+  if (!currentWindow) {
+    return () => {
+      handlers.forEach((h) => h());
+    };
+  }
+  const propertyDescriptor = currentWindow.Object.getOwnPropertyDescriptor(
+    currentWindow.HTMLInputElement.prototype,
     'value',
   );
   const hookProperties: Array<[HTMLElement, string]> = [
-    [HTMLInputElement.prototype, 'value'],
-    [HTMLInputElement.prototype, 'checked'],
-    [HTMLSelectElement.prototype, 'value'],
-    [HTMLTextAreaElement.prototype, 'value'],
+    [currentWindow.HTMLInputElement.prototype, 'value'],
+    [currentWindow.HTMLInputElement.prototype, 'checked'],
+    [currentWindow.HTMLSelectElement.prototype, 'value'],
+    [currentWindow.HTMLTextAreaElement.prototype, 'value'],
     // Some UI library use selectedIndex to set select value
-    [HTMLSelectElement.prototype, 'selectedIndex'],
-    [HTMLOptionElement.prototype, 'selected'],
+    [currentWindow.HTMLSelectElement.prototype, 'selectedIndex'],
+    [currentWindow.HTMLOptionElement.prototype, 'selected'],
   ];
   if (propertyDescriptor && propertyDescriptor.set) {
     handlers.push(
       ...hookProperties.map((p) =>
-        hookSetter<HTMLElement>(p[0], p[1], {
-          set() {
-            // mock to a normal event
-            eventHandler({ target: this as EventTarget } as Event);
+        hookSetter<HTMLElement>(
+          p[0],
+          p[1],
+          {
+            set() {
+              // mock to a normal event
+              eventHandler({ target: this as EventTarget } as Event);
+            },
           },
-        }),
+          false,
+          currentWindow,
+        ),
       ),
     );
   }