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Implement `Object.prototype.valueOf` (#1510)

pull/1516/head
Halid Odat 3 years ago committed by GitHub
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  1. 15
      boa/src/builtins/object/mod.rs

15
boa/src/builtins/object/mod.rs

@ -55,6 +55,7 @@ impl BuiltIn for Object {
.method(Self::has_own_property, "hasOwnProperty", 0)
.method(Self::property_is_enumerable, "propertyIsEnumerable", 0)
.method(Self::to_string, "toString", 0)
.method(Self::value_of, "valueOf", 0)
.method(Self::is_prototype_of, "isPrototypeOf", 0)
.static_method(Self::create, "create", 2)
.static_method(Self::set_prototype_of, "setPrototypeOf", 2)
@ -420,6 +421,20 @@ impl Object {
context.throw_type_error("Expected an object")
}
}
/// `Object.prototype.valueOf()`
///
/// More information:
/// - [ECMAScript reference][spec]
/// - [MDN documentation][mdn]
///
/// [spec]: https://tc39.es/ecma262/#sec-object.prototype.valueof
/// [mdn]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/valueOf
pub fn value_of(this: &JsValue, _: &[JsValue], context: &mut Context) -> JsResult<JsValue> {
// 1. Return ? ToObject(this value).
Ok(this.to_object(context)?.into())
}
/// `Object.prototype.toString()`
///
/// This method returns a string representing the object.

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