1 files changed, 20 insertions, 0 deletions
diff --git a/dom/webidl/FileSystemFileHandle.webidl b/dom/webidl/FileSystemFileHandle.webidl
new file mode 100644
index 0000000000..39598c7c42
--- /dev/null
+++ b/dom/webidl/FileSystemFileHandle.webidl
@@ -0,0 +1,20 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+dictionary FileSystemCreateWritableOptions {
+  boolean keepExistingData = false;
+};
+
+[Exposed=(Window,Worker), SecureContext, Serializable, Pref="dom.fs.enabled"]
+interface FileSystemFileHandle : FileSystemHandle {
+  [NewObject]
+  Promise<File> getFile();
+
+  [NewObject]
+  Promise<FileSystemWritableFileStream> createWritable(optional FileSystemCreateWritableOptions options = {});
+
+  [Exposed=DedicatedWorker, NewObject]
+  Promise<FileSystemSyncAccessHandle> createSyncAccessHandle();
+};