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// https://w3c.github.io/FileAPI/#idl-index
[Constructor(optional sequence<BlobPart> blobParts, optional BlobPropertyBag options),
Exposed=(Window,Worker)]
interface Blob {
readonly attribute unsigned long long size;
readonly attribute DOMString type;
readonly attribute boolean isClosed;
//slice Blob into byte-ranged chunks
Blob slice([Clamp] optional long long start,
[Clamp] optional long long end,
optional DOMString contentType);
void close();
};
dictionary BlobPropertyBag {
DOMString type = "";
};
typedef (BufferSource or Blob or USVString) BlobPart;
[Constructor(sequence<BlobPart> fileBits,
[EnsureUTF16] DOMString fileName,
optional FilePropertyBag options),
Exposed=(Window,Worker)]
interface File : Blob {
readonly attribute DOMString name;
readonly attribute long long lastModified;
};
dictionary FilePropertyBag : BlobPropertyBag {
long long lastModified;
};
[Exposed=(Window,Worker)]
interface FileList {
getter File? item(unsigned long index);
readonly attribute unsigned long length;
};
[Constructor, Exposed=(Window,Worker)]
interface FileReader: EventTarget {
// async read methods
void readAsArrayBuffer(Blob blob);
void readAsBinaryString(Blob blob);
void readAsText(Blob blob, optional DOMString label);
void readAsDataURL(Blob blob);
void abort();
// states
const unsigned short EMPTY = 0;
const unsigned short LOADING = 1;
const unsigned short DONE = 2;
readonly attribute unsigned short readyState;
// File or Blob data
readonly attribute (DOMString or ArrayBuffer)? result;
readonly attribute DOMError? error;
// event handler content attributes
attribute EventHandler onloadstart;
attribute EventHandler onprogress;
attribute EventHandler onload;
attribute EventHandler onabort;
attribute EventHandler onerror;
attribute EventHandler onloadend;
};
[Constructor, Exposed=Worker]
interface FileReaderSync {
// Synchronously return strings
ArrayBuffer readAsArrayBuffer(Blob blob);
DOMString readAsBinaryString(Blob blob);
DOMString readAsText(Blob blob, optional DOMString label);
DOMString readAsDataURL(Blob blob);
};
[Exposed=(Window,DedicatedWorker,SharedWorker)]
partial interface URL {
static DOMString createObjectURL(Blob blob);
static DOMString createFor(Blob blob);
static void revokeObjectURL(DOMString url);
};
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