Add bindings for WebAssembly.Tag and WebAssembly.Exception (#3484)

CHANGELOG.md

@@ -8,6 +8,9 @@
 * Extend `AudioContext` with unstable features supporting audio sink configuration.
   [#3433](https://github.com/rustwasm/wasm-bindgen/pull/3433)
 
+* Add bindings for `WebAssembly.Tag` and `WebAssembly.Exception`.
+  [#3484](https://github.com/rustwasm/wasm-bindgen/pull/3484)
+
 ### Changed
 
 * Updated the WebGPU WebIDL.

crates/js-sys/src/lib.rs

@@ -4467,6 +4467,64 @@ pub mod WebAssembly {
         pub fn set(this: &Table, index: u32, function: &Function) -> Result<(), JsValue>;
     }
 
+    // WebAssembly.Tag
+    #[wasm_bindgen]
+    extern "C" {
+        /// The `WebAssembly.Tag()` constructor creates a new `Tag` object
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Tag)
+        #[wasm_bindgen(js_namespace = WebAssembly, extends = Object, typescript_type = "WebAssembly.Tag")]
+        #[derive(Clone, Debug, PartialEq, Eq)]
+        pub type Tag;
+
+        /// The `WebAssembly.Tag()` constructor creates a new `Tag` object
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Tag)
+        #[wasm_bindgen(constructor, js_namespace = WebAssembly, catch)]
+        pub fn new(tag_descriptor: &Object) -> Result<Tag, JsValue>;
+    }
+
+    // WebAssembly.Exception
+    #[wasm_bindgen]
+    extern "C" {
+        /// The `WebAssembly.Exception()` constructor creates a new `Exception` object
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Exception)
+        #[wasm_bindgen(js_namespace = WebAssembly, extends = Object, typescript_type = "WebAssembly.Exception")]
+        #[derive(Clone, Debug, PartialEq, Eq)]
+        pub type Exception;
+
+        /// The `WebAssembly.Exception()` constructor creates a new `Exception` object
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Exception)
+        #[wasm_bindgen(constructor, js_namespace = WebAssembly, catch)]
+        pub fn new(tag: &Tag, payload: &Array) -> Result<Exception, JsValue>;
+
+        /// The `WebAssembly.Exception()` constructor creates a new `Exception` object
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Exception)
+        #[wasm_bindgen(constructor, js_namespace = WebAssembly, catch)]
+        pub fn new_with_options(
+            tag: &Tag,
+            payload: &Array,
+            options: &Object,
+        ) -> Result<Exception, JsValue>;
+
+        /// The `is()` prototype method of the `WebAssembly.Exception` can be used to
+        /// test if the Exception matches a given tag.
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Exception/is)
+        #[wasm_bindgen(method, js_namespace = WebAssembly)]
+        pub fn is(this: &Exception, tag: &Tag) -> bool;
+
+        /// The `getArg()` prototype method of the `WebAssembly.Exception` can be used
+        /// to get the value of a specified item in the exception's data arguments
+        ///
+        /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Exception/getArg)
+        #[wasm_bindgen(method, js_namespace = WebAssembly, js_name = getArg, catch)]
+        pub fn get_arg(this: &Exception, tag: &Tag, index: u32) -> Result<JsValue, JsValue>;
+    }
+
     // WebAssembly.Global
     #[wasm_bindgen]
     extern "C" {

crates/macro/ui-tests/async-errors.stderr

@@ -35,7 +35,7 @@ error[E0277]: the trait bound `wasm_bindgen::JsValue: From<BadType>` is not sati
              <wasm_bindgen::JsValue as From<JsError>>
              <wasm_bindgen::JsValue as From<MyType>>
              <wasm_bindgen::JsValue as From<Option<T>>>
-           and 72 others
+           and 74 others
    = note: required for `BadType` to implement `Into<wasm_bindgen::JsValue>`
    = note: required for `BadType` to implement `IntoJsResult`
    = note: this error originates in the attribute macro `wasm_bindgen` (in Nightly builds, run with -Z macro-backtrace for more info)