From 2d91fa11b5e950da7523a0c96cd10367238cd94b Mon Sep 17 00:00:00 2001
From: Michael Hoffmann <brennan.brisad@gmail.com>
Date: Sun, 16 Sep 2018 23:02:46 +0200
Subject: [PATCH] Add binding for Object.getOwnPropertyDescriptors()

---
 crates/js-sys/src/lib.rs           | 7 +++++++
 crates/js-sys/tests/wasm/Object.rs | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
index f074dd20..fd20899f 100644
--- a/crates/js-sys/src/lib.rs
+++ b/crates/js-sys/src/lib.rs
@@ -2031,6 +2031,13 @@ extern "C" {
     #[wasm_bindgen(static_method_of = Object, js_name = getOwnPropertyDescriptor)]
     pub fn get_own_property_descriptor(obj: &Object, prop: &JsValue) -> JsValue;
 
+    /// The Object.getOwnPropertyDescriptors() method returns all own
+    /// property descriptors of a given object.
+    ///
+    /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptors)
+    #[wasm_bindgen(static_method_of = Object, js_name = getOwnPropertyDescriptors)]
+    pub fn get_own_property_descriptors(obj: &Object) -> JsValue;
+
     /// The `hasOwnProperty()` method returns a boolean indicating whether the
     /// object has the specified property as its own property (as opposed to
     /// inheriting it).
diff --git a/crates/js-sys/tests/wasm/Object.rs b/crates/js-sys/tests/wasm/Object.rs
index de4dfffe..525bfab3 100644
--- a/crates/js-sys/tests/wasm/Object.rs
+++ b/crates/js-sys/tests/wasm/Object.rs
@@ -114,6 +114,14 @@ fn get_own_property_descriptor() {
     assert!(PropertyDescriptor::from(desc).value().is_undefined());
 }
 
+#[wasm_bindgen_test]
+fn get_own_property_descriptors() {
+    let foo = foo_42();
+    let descriptors = Object::get_own_property_descriptors(&foo);
+    let foo_desc = Reflect::get(&descriptors, &"foo".into());
+    assert_eq!(PropertyDescriptor::from(foo_desc).value(), 42);
+}
+
 #[wasm_bindgen_test]
 fn has_own_property() {
     assert!(foo_42().has_own_property(&"foo".into()));