idb wip

1 files changed, 41 insertions, 0 deletions

diff --git a/packages/idb-bridge/src/BridgeIDBVersionChangeEvent.ts b/packages/idb-bridge/src/BridgeIDBVersionChangeEvent.ts
new file mode 100644
index 000000000..6fc63ee35
--- /dev/null
+++ b/packages/idb-bridge/src/BridgeIDBVersionChangeEvent.ts
@@ -0,0 +1,41 @@
+/*
+  Copyright 2019 Florian Dold
+  Copyright 2017 Jeremy Scheff
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+  or implied. See the License for the specific language governing
+  permissions and limitations under the License.
+ */
+
+import FakeEvent from "./util/FakeEvent";
+
+class BridgeIDBVersionChangeEvent extends FakeEvent {
+    public newVersion: number | null;
+    public oldVersion: number;
+
+    constructor(
+        type: "blocked" | "success" | "upgradeneeded" | "versionchange",
+        parameters: { newVersion?: number | null; oldVersion?: number } = {},
+    ) {
+        super(type);
+
+        this.newVersion =
+            parameters.newVersion !== undefined ? parameters.newVersion : null;
+        this.oldVersion =
+            parameters.oldVersion !== undefined ? parameters.oldVersion : 0;
+    }
+
+    public toString() {
+        return "[object IDBVersionChangeEvent]";
+    }
+}
+
+export default BridgeIDBVersionChangeEvent;