third_party/blink/renderer/modules/file_system_access/file_system_directory_handle.idl

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/native-file-system/#filesystemdirectoryhandle
[
    Exposed=(Window,Worker),
    SecureContext,
    Serializable,
    RuntimeEnabled=NativeFileSystem,
    ImplementedAs=NativeFileSystemDirectoryHandle
] interface FileSystemDirectoryHandle : FileSystemHandle {
    // TODO(https://crbug.com/1087157): This interface defines an async
    // iterable, however that isn't supported yet by the bindings. So for now
    // just explicitly define what an async iterable definition implies.
    //async iterable<USVString, FileSystemHandle>;
    NativeFileSystemDirectoryIterator entries();
    NativeFileSystemDirectoryIterator keys();
    NativeFileSystemDirectoryIterator values();

    [CallWith=ScriptState] Promise<FileSystemFileHandle> getFileHandle(USVString name, optional FileSystemGetFileOptions options = {});
    [CallWith=ScriptState] Promise<FileSystemDirectoryHandle> getDirectoryHandle(USVString name, optional FileSystemGetDirectoryOptions options = {});

    [CallWith=ScriptState] Promise<void> removeEntry(USVString name, optional FileSystemRemoveOptions options = {});

    [CallWith=ScriptState, Measure] Promise<sequence<USVString>?> resolve(FileSystemHandle possibleChild);
};