fix(ext/web): Fix structuredClone Web API type declaration (any -> generic) (#22968)

Closes #22958 

Used the same type as in:
https://github.com/microsoft/TypeScript/blob/main/src/lib/dom.generated.d.ts#L26114

---------

Signed-off-by: Viktor Marinho <56888067+viktormarinho@users.noreply.github.com>

2 files changed, 9 insertions, 6 deletions

diff --git a/ext/web/lib.deno_web.d.ts b/ext/web/lib.deno_web.d.ts
index d28e33f58..3ebc9af49 100644
--- a/ext/web/lib.deno_web.d.ts
+++ b/ext/web/lib.deno_web.d.ts
@@ -1124,10 +1124,10 @@ declare var MessagePort: {
  *
  * @category DOM APIs
  */
-declare function structuredClone(
-  value: any,
+declare function structuredClone<T = any>(
+  value: T,
   options?: StructuredSerializeOptions,
-): any;
+): T;
 
 /**
  * An API for compressing a stream of data.
diff --git a/tests/unit/structured_clone_test.ts b/tests/unit/structured_clone_test.ts
index 314a276dd..6e0473f9a 100644
--- a/tests/unit/structured_clone_test.ts
+++ b/tests/unit/structured_clone_test.ts
@@ -9,9 +9,12 @@ Deno.test("self.structuredClone", async () => {
   const arrayOriginal = ["hello world"];
   const channelOriginal = new MessageChannel();
   const [arrayCloned, portTransferred] = self
-    .structuredClone([arrayOriginal, channelOriginal.port2], {
-      transfer: [channelOriginal.port2],
-    });
+    .structuredClone(
+      [arrayOriginal, channelOriginal.port2] as [string[], MessagePort],
+      {
+        transfer: [channelOriginal.port2],
+      },
+    );
   assert(arrayOriginal !== arrayCloned); // not the same identity
   assertEquals(arrayCloned, arrayOriginal); // but same value
   channelOriginal.port1.postMessage("1");