1 files changed, 50 insertions, 0 deletions
diff --git a/dom/webidl/Blob.webidl b/dom/webidl/Blob.webidl
new file mode 100644
index 0000000000..832f90ad4b
--- /dev/null
+++ b/dom/webidl/Blob.webidl
@@ -0,0 +1,50 @@
+/* -*- 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/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/FileAPI/#blob
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+typedef (BufferSource or Blob or UTF8String) BlobPart;
+
+[Exposed=(Window,Worker)]
+interface Blob {
+  [Throws]
+  constructor(optional sequence<BlobPart> blobParts,
+              optional BlobPropertyBag options = {});
+
+  [GetterThrows]
+  readonly attribute unsigned long long size;
+
+  readonly attribute DOMString type;
+
+  //slice Blob into byte-ranged chunks
+
+  [Throws]
+  Blob slice(optional [Clamp] long long start,
+             optional [Clamp] long long end,
+             optional DOMString contentType);
+
+  // read from the Blob.
+  [NewObject, Throws] ReadableStream stream();
+  [NewObject] Promise<USVString> text();
+  [NewObject] Promise<ArrayBuffer> arrayBuffer();
+};
+
+enum EndingType { "transparent", "native" };
+
+dictionary BlobPropertyBag {
+  DOMString type = "";
+  EndingType endings = "transparent";
+};
+
+partial interface Blob {
+  // This returns the type of BlobImpl used for this Blob.
+  [ChromeOnly]
+  readonly attribute DOMString blobImplType;
+};