Add binding for Object.entries()

crates/js-sys/src/lib.rs

@@ -2014,6 +2014,16 @@ extern "C" {
     #[wasm_bindgen(static_method_of = Object, js_name = defineProperties)]
     pub fn define_properties(obj: &Object, props: &Object) -> Object;
 
+    /// The Object.entries() method returns an array of a given
+    /// object's own enumerable property [key, value] pairs, in the
+    /// same order as that provided by a for...in loop (the difference
+    /// being that a for-in loop enumerates properties in the
+    /// prototype chain as well).
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries)
+    #[wasm_bindgen(static_method_of = Object)]
+    pub fn entries(object: &Object) -> Array;
+
     /// The `Object.freeze()` method freezes an object: that is, prevents new
     /// properties from being added to it; prevents existing properties from
     /// being removed; and prevents existing properties, or their enumerability,

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

@@ -110,6 +110,19 @@ fn define_properties() {
     assert!(foo.has_own_property(&"car".into()));
 }
 
+#[wasm_bindgen_test]
+fn entries() {
+    let entries = Object::entries(&foo_42());
+    assert_eq!(entries.length(), 1);
+    entries.for_each(&mut |x, _, _| {
+        assert!(x.is_object());
+        let array: Array = x.into();
+        assert_eq!(array.shift(), "foo");
+        assert_eq!(array.shift(), 42);
+        assert_eq!(array.length(), 0);
+    });
+}
+
 #[wasm_bindgen_test]
 fn get_own_property_descriptor() {
     let foo = foo_42();