feat(extensions/web): add structuredClone function (#11572)

Co-authored-by: Luca Casonato <hello@lcas.dev>

1 files changed, 15 insertions, 2 deletions

diff --git a/extensions/web/lib.deno_web.d.ts b/extensions/web/lib.deno_web.d.ts
index 6c79f61bd..3f110353f 100644
--- a/extensions/web/lib.deno_web.d.ts
+++ b/extensions/web/lib.deno_web.d.ts
@@ -673,7 +673,15 @@ declare class MessageEvent<T = any> extends Event {
 
 type Transferable = ArrayBuffer | MessagePort;
 
-interface PostMessageOptions {
+/**
+ * @deprecated
+ *
+ * This type has been renamed to StructuredSerializeOptions. Use that type for
+ * new code.
+ */
+type PostMessageOptions = StructuredSerializeOptions;
+
+interface StructuredSerializeOptions {
   transfer?: Transferable[];
 }
 
@@ -710,7 +718,7 @@ declare class MessagePort extends EventTarget {
    * objects or port, or if message could not be cloned.
    */
   postMessage(message: any, transfer: Transferable[]): void;
-  postMessage(message: any, options?: PostMessageOptions): void;
+  postMessage(message: any, options?: StructuredSerializeOptions): void;
   /**
    * Begins dispatching messages received on the port. This is implictly called
    * when assiging a value to `this.onmessage`.
@@ -737,3 +745,8 @@ declare class MessagePort extends EventTarget {
     options?: boolean | EventListenerOptions,
   ): void;
 }
+
+declare function structuredClone(
+  value: any,
+  options?: StructuredSerializeOptions,
+): any;