feat(web): add beforeunload event (#14830)

This commit adds the 'beforeunload' event.

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/cli/lsp/testing/execution.rs b/cli/lsp/testing/execution.rs
index 6b4e947a0..83f74e5ed 100644
--- a/cli/lsp/testing/execution.rs
+++ b/cli/lsp/testing/execution.rs
@@ -226,6 +226,12 @@ async fn test_specifier(
 
     worker.js_runtime.resolve_value(test_result).await?;
 
+    loop {
+      if !worker.dispatch_beforeunload_event(&located_script_name!())? {
+        break;
+      }
+      worker.run_event_loop(false).await?;
+    }
     worker.dispatch_unload_event(&located_script_name!())?;
   }