handle empty list of promise

Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com>

components/script/dom/promise.rs

@@ -526,7 +526,8 @@ pub(crate) fn wait_for_all(
     // Note: done using the len of result.
 
     // If total is 0, then:
-    // TODO: Queue a microtask to perform successSteps given « ».
+    // Queue a microtask to perform successSteps given « ».
+    // TODO: #37259
 
     // Let index be 0.
     // Note: done with `enumerate` below.
@@ -600,6 +601,15 @@ pub(crate) fn wait_for_all_promise(
         failure_promise.reject_native(&reason, can_gc);
     });
 
+    if promises.is_empty() {
+        // Note: part of `wait_for_all`.
+        // Done here by using `resolve_native`.
+        // TODO: #37259
+        // If total is 0, then:
+        // Queue a microtask to perform successSteps given « ».
+        let empty_list: Vec<HandleValue> = vec![];
+        promise.resolve_native(&empty_list, can_gc);
+    } else {
         // Wait for all with promises, given successSteps and failureSteps.
         wait_for_all(
             cx,
@@ -610,6 +620,7 @@ pub(crate) fn wait_for_all_promise(
             realm,
             can_gc,
         );
+    }
 
     // Return promise.
     promise

components/script/dom/readablestream.rs

@@ -349,7 +349,7 @@ impl Callback for PipeTo {
                         get_dictionary_property(
                             *cx,
                             object.handle(),
-                            "0",
+                            "push",
                             done.handle_mut(),
                             can_gc,
                         )