feat: add Reflect.ownKeys

src/js.rs

@@ -1041,7 +1041,7 @@ extern "C" {
     /// 
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/has
     #[wasm_bindgen(static_method_of = Reflect, catch)]
-    pub fn has(target: &JsValue, property_key: &JsValue) -> Result<JsValue, JsValue>;
+    pub fn has(target: &JsValue, property_key: &JsValue) -> Result<bool, JsValue>;
 
     /// The static Reflect.isExtensible() method determines if an object is extensible 
     /// (whether it can have new properties added to it). It is similar to 
@@ -1050,6 +1050,13 @@ extern "C" {
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/isExtensible
     #[wasm_bindgen(static_method_of = Reflect, js_name = isExtensible, catch)]
     pub fn is_extensible(target: &Object) -> Result<JsValue, JsValue>;
+
+    /// The static Reflect.ownKeys() method returns an array of the 
+    /// target object's own property keys.
+    /// 
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/ownKeys
+    #[wasm_bindgen(static_method_of = Reflect, js_name = ownKeys, catch)]
+    pub fn own_keys(target: &Object) -> Result<JsValue, JsValue>;
 }
 
 // Set

tests/all/js_globals/Reflect.rs

@@ -483,4 +483,49 @@ fn is_extensible() {
         "#,
         )
         .test()
+}
+
+#[test]
+fn own_keys() {
+    project()
+        .file(
+            "src/lib.rs",
+            r#"
+            #![feature(proc_macro, wasm_custom_section)]
+
+            extern crate wasm_bindgen;
+            use wasm_bindgen::prelude::*;
+            use wasm_bindgen::js;
+
+            #[wasm_bindgen]
+            pub fn own_keys(target: &js::Object) -> JsValue {
+                let result = js::Reflect::own_keys(target);
+                let result = match result {
+                    Ok(val) => val,
+                    Err(_err) => "TypeError".into()
+                };
+                result
+            }
+        "#,
+        )
+        .file(
+            "test.ts",
+            r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                const object = {
+                    property: 42
+                };
+                const array: number[] = [];
+
+                assert.equal(wasm.own_keys(object)[0], "property");
+                assert.equal(wasm.own_keys(array)[0], "length");
+
+                assert.equal(wasm.own_keys(""), "TypeError");
+            }
+        "#,
+        )
+        .test()
 }