chromium/third_party/blink/renderer/core/fileapi/blob.idl

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// https://w3c.github.io/FileAPI/#blob-section

typedef (ArrayBuffer or ArrayBufferView or Blob or USVString) BlobPart;
[
    Exposed=(Window,Worker),
    Serializable
] interface Blob {
    [CallWith=ExecutionContext] constructor(optional sequence<BlobPart> blobParts, optional BlobPropertyBag options = {});
    readonly attribute unsigned long long size;
    readonly attribute DOMString type;

    // TODO(jsbell): start and end arguments should be [Clamp]
    [RaisesException] Blob slice(optional long long start, optional long long end, optional DOMString contentType);
    [CallWith=ScriptState] ReadableStream stream();
    [CallWith=ScriptState] Promise<USVString> text();
    [CallWith=ScriptState] Promise<ArrayBuffer> arrayBuffer();
};