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LibWeb/IDB: Implement IDBObjectStore::index

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This commit is contained in:
stelar7 2025-04-01 18:43:29 +02:00
parent fe5bb7d77d
commit 7108945f80
3 changed files with 26 additions and 1 deletions
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24
Libraries/LibWeb/IndexedDB/IDBObjectStore.cpp
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@ -165,4 +165,28 @@ GC::Ref<HTML::DOMStringList> IDBObjectStore::index_names()
return create_a_sorted_name_list(realm(), names);
}
// https://w3c.github.io/IndexedDB/#dom-idbobjectstore-index
WebIDL::ExceptionOr<GC::Ref<IDBIndex>> IDBObjectStore::index(String const& name)
{
// 1. Let transaction be this’s transaction.
auto transaction = this->transaction();
// 2. Let store be this’s object store.
[[maybe_unused]] auto store = this->store();
// FIXME: 3. If store has been deleted, throw an "InvalidStateError" DOMException.
// 4. If transaction’s state is finished, then throw an "InvalidStateError" DOMException.
if (transaction->state() == IDBTransaction::TransactionState::Finished)
return WebIDL::InvalidStateError::create(realm(), "Transaction is finished"_string);
// 5. Let index be the index named name in this’s index set if one exists, or throw a "NotFoundError" DOMException otherwise.
auto index = m_indexes.get(name);
if (!index.has_value())
return WebIDL::NotFoundError::create(realm(), "Index not found"_string);
// 6. Return an index handle associated with index and this.
return IDBIndex::create(realm(), *index, *this);
}
}

1
Libraries/LibWeb/IndexedDB/IDBObjectStore.h
View file

@ -41,6 +41,7 @@ public:
WebIDL::ExceptionOr<GC::Ref<IDBIndex>> create_index(String const&, KeyPath, IDBIndexParameters options);
[[nodiscard]] GC::Ref<HTML::DOMStringList> index_names();
WebIDL::ExceptionOr<GC::Ref<IDBIndex>> index(String const&);
protected:
explicit IDBObjectStore(JS::Realm&, GC::Ref<ObjectStore>, GC::Ref<IDBTransaction>);

2
Libraries/LibWeb/IndexedDB/IDBObjectStore.idl
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@ -21,7 +21,7 @@ interface IDBObjectStore {
[FIXME, NewObject] IDBRequest count(optional any query);
[FIXME, NewObject] IDBRequest openCursor(optional any query, optional IDBCursorDirection direction = "next");
[FIXME, NewObject] IDBRequest openKeyCursor(optional any query, optional IDBCursorDirection direction = "next");
[FIXME] IDBIndex index(DOMString name);
IDBIndex index(DOMString name);
[NewObject] IDBIndex createIndex(DOMString name, (DOMString or sequence<DOMString>) keyPath, optional IDBIndexParameters options = {});
[FIXME] undefined deleteIndex(DOMString name);
};