gecko-dev/dom/webidl/Blob.webidl

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/* -*- 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();
[NewObject] Promise<Uint8Array> bytes();
};
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;
};