author Sandor Molnar <>
Tue, 28 Mar 2023 03:40:44 +0300
changeset 658088 5aa2b55eb19b133d270affbe0279338a0ad2b547
parent 648653 66365f933f12c5050143c978080c50548ab21536
permissions -rw-r--r--
Backed out changeset 251530e20422 (bug 1818819) for causing xpc failures in devtools/shared/tests/xpcshell/test_css-properties-db.js CLOSED TREE

/* -*- 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 */

enum WriteCommandType {

dictionary WriteParams {
  required WriteCommandType type;
  unsigned long long? size;
  unsigned long long? position;
  (BufferSource or Blob or UTF8String)? data;

typedef (BufferSource or Blob or UTF8String or WriteParams) FileSystemWriteChunkType;

[Exposed=(Window,Worker), SecureContext, Pref="dom.fs.enabled"]
interface FileSystemWritableFileStream : WritableStream {
  [NewObject, Throws]
  Promise<undefined> write(FileSystemWriteChunkType data);
  Promise<undefined> seek(unsigned long long position);
  Promise<undefined> truncate(unsigned long long size);