diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..504afef
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules/
+package-lock.json
diff --git a/js/utils/errors.js b/js/utils/errors.js
index 5d26751..90652bf 100644
--- a/js/utils/errors.js
+++ b/js/utils/errors.js
@@ -50,6 +50,9 @@ export function installGlobalErrorHandlers() {
     });
   });
   window.addEventListener('unhandledrejection', (event) => {
+    if (typeof event.preventDefault === 'function') {
+      event.preventDefault();
+    }
     handleError('global:unhandled-rejection', event.reason);
   });
   installed = true;