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-rw-r--r--js/src/jsapi.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
index 84a315587..cad0840e0 100644
--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -2011,6 +2011,28 @@ JS_GetOwnUCPropertyDescriptor(JSContext* cx, HandleObject obj, const char16_t* n
}
JS_PUBLIC_API(bool)
+JS_GetOwnElement(JSContext* cx, JS::HandleObject obj, uint32_t index, JS::MutableHandleValue vp)
+{
+ RootedId id(cx);
+ if (!IndexToId(cx, index, &id)) {
+ return false;
+ }
+
+ Rooted<PropertyDescriptor> desc(cx);
+ if (!JS_GetOwnPropertyDescriptorById(cx, obj, id, &desc)) {
+ return false;
+ }
+
+ if (desc.object() && desc.isDataDescriptor()) {
+ vp.set(desc.value());
+ } else {
+ vp.setUndefined();
+ }
+
+ return true;
+}
+
+JS_PUBLIC_API(bool)
JS_GetPropertyDescriptorById(JSContext* cx, HandleObject obj, HandleId id,
MutableHandle<PropertyDescriptor> desc)
{