LibWeb/IDB: Implement IDBObjectStore::add

Author: https://github.com/stelar7
Commit: ca1e94f9ea
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4317
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/kennethmyhra ✅

Libraries/LibWeb/IndexedDB/IDBObjectStore.cpp

@@ -317,4 +317,11 @@ WebIDL::ExceptionOr<GC::Ref<IDBRequest>> IDBObjectStore::add_or_put(GC::Ref<IDBO
     return result;
 }
 
+// https://w3c.github.io/IndexedDB/#dom-idbobjectstore-add
+WebIDL::ExceptionOr<GC::Ref<IDBRequest>> IDBObjectStore::add(JS::Value value, Optional<JS::Value> const& key)
+{
+    // The add(value, key) method steps are to return the result of running add or put with this, value, key and the no-overwrite flag true.
+    return add_or_put(*this, value, key, true);
+}
+
 }

Libraries/LibWeb/IndexedDB/IDBObjectStore.h

@@ -45,6 +45,7 @@ public:
     WebIDL::ExceptionOr<void> delete_index(String const&);
 
     [[nodiscard]] WebIDL::ExceptionOr<GC::Ref<IDBRequest>> add_or_put(GC::Ref<IDBObjectStore>, JS::Value, Optional<JS::Value> const&, bool);
+    [[nodiscard]] WebIDL::ExceptionOr<GC::Ref<IDBRequest>> add(JS::Value value, Optional<JS::Value> const& key);
 
 protected:
     explicit IDBObjectStore(JS::Realm&, GC::Ref<ObjectStore>, GC::Ref<IDBTransaction>);

Libraries/LibWeb/IndexedDB/IDBObjectStore.idl

@@ -11,7 +11,7 @@ interface IDBObjectStore {
     readonly attribute boolean autoIncrement;
     
     [FIXME, NewObject] IDBRequest put(any value, optional any key);
-    [FIXME, NewObject] IDBRequest add(any value, optional any key);
+    [NewObject] IDBRequest add(any value, optional any key);
     [FIXME, NewObject] IDBRequest delete(any query);
     [FIXME, NewObject] IDBRequest clear();
     [FIXME, NewObject] IDBRequest get(any query);