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Merge pull request #833 from brisad/object-define-properties

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Add binding for Object.defineProperties()
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Sendil Kumar N 2018-09-15 22:57:41 +02:00 committed by GitHub
commit 2d5d485e46
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2 changed files with 22 additions and 0 deletions
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8
crates/js-sys/src/lib.rs
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@ -2004,6 +2004,14 @@ extern "C" {
#[wasm_bindgen(static_method_of = Object, js_name = defineProperty)]
pub fn define_property(obj: &Object, prop: &JsValue, descriptor: &Object) -> Object;
/// The Object.defineProperties() method defines new or modifies
/// existing properties directly on an object, returning the
/// object.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperties)
#[wasm_bindgen(static_method_of = Object, js_name = defineProperties)]
pub fn define_properties(obj: &Object, props: &Object) -> Object;
/// 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,

14
crates/js-sys/tests/wasm/Object.rs
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@ -87,6 +87,20 @@ fn define_property() {
assert!(foo.has_own_property(&"bar".into()));
}
#[wasm_bindgen_test]
fn define_properties() {
let props = Object::new();
let descriptor = DefinePropertyAttrs::from(JsValue::from(Object::new()));
descriptor.set_value(&42.into());
let descriptor = JsValue::from(descriptor);
Reflect::set(props.as_ref(), &JsValue::from("bar"), &descriptor);
Reflect::set(props.as_ref(), &JsValue::from("car"), &descriptor);
let foo = foo_42();
let foo = Object::define_properties(&foo, &props);
assert!(foo.has_own_property(&"bar".into()));
assert!(foo.has_own_property(&"car".into()));
}
#[wasm_bindgen_test]
fn has_own_property() {
assert!(foo_42().has_own_property(&"foo".into()));