js-sys: Add bindings for TypeError

crates/js-sys/src/lib.rs

@@ -2517,6 +2517,25 @@ extern {
     pub fn new(message: &str) -> SyntaxError;
 }
 
+// TypeError
+#[wasm_bindgen]
+extern {
+    /// The TypeError object represents an error when a value is not of the
+    /// expected type.
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError
+    #[wasm_bindgen(extends = Error)]
+    #[derive(Clone, Debug)]
+    pub type TypeError;
+
+    /// The TypeError object represents an error when a value is not of the
+    /// expected type.
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError
+    #[wasm_bindgen(constructor)]
+    pub fn new(message: &str) -> TypeError;
+}
+
 // Uint8Array
 #[wasm_bindgen]
 extern "C" {

crates/js-sys/tests/wasm/TypeError.rs

@@ -0,0 +1,14 @@
+use wasm_bindgen::JsValue;
+use wasm_bindgen_test::*;
+use wasm_bindgen::JsCast;
+use js_sys::*;
+
+#[wasm_bindgen_test]
+fn type_error() {
+    let error = TypeError::new("msg");
+    assert!(error.is_instance_of::<TypeError>());
+    assert!(error.is_instance_of::<Error>());
+
+    let base: &Error = error.as_ref();
+    assert_eq!(JsValue::from(base.message()), "msg");
+}

crates/js-sys/tests/wasm/main.rs

@@ -33,6 +33,7 @@ pub mod Set;
 pub mod SetIterator;
 pub mod Symbol;
 pub mod SyntaxError;
+pub mod TypeError;
 pub mod TypedArray;
 pub mod UriError;
 pub mod WeakMap;