fix firefox, add decorator

Author: [email protected]

devtools.html

@@ -17,8 +17,8 @@
             }
         }
     </script>
-    <link rel="modulepreload" href="./src/late-panels.mjs" as="script" />
-    <link rel="modulepreload" href="./src/262_worker.mjs" as="script" />
+    <link rel="modulepreload" href="./src/devtools/late-panels.mjs" as="script" />
+    <link rel="modulepreload" href="./src/devtools/262_worker.mjs" as="script" />
     <meta
         http-equiv="Content-Security-Policy"
         content="object-src 'none'; script-src 'self' 'sha256-YCezwjqZIYZtHaYW1WJzVCeRrxO0ie1Wg6rRb3iSlno=' https://chrome-devtools-frontend.appspot.com https://cdn.jsdelivr.net/ https://engine262.js.org/"

src/devtools/index.mjs

@@ -15,6 +15,9 @@ import { FEATURES } from '../../lib/engine262.mjs';
 
 // Fix crash on Firefox (non standard / unsupported api used)
 ShadowRoot.prototype.getSelection = ShadowRoot.prototype.getComponentSelection;
+ShadowRoot.prototype.getBoundingClientRect = function () {
+  return this.host.getBoundingClientRect();
+};
 Element.prototype.scrollIntoViewIfNeeded = Element.prototype.scrollIntoView;
 
 // @ts-ignore
@@ -28,6 +31,9 @@ if (localStorage.getItem('console-show-settings-toolbar') === null) {
 if (localStorage.getItem('experiments') === null) {
   localStorage.setItem('experiments', '{"protocol-monitor":true}');
 }
+if (localStorage.getItem('engine262:decorators') === null) {
+  localStorage.setItem('engine262:decorators', 'true');
+}
 // #endregion
 
 // #region i18n