interfaces/FileAPI.idl

// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// (https://github.com/w3c/webref)
// Source: File API (https://w3c.github.io/FileAPI/)

[Exposed=(Window,Worker), Serializable]
interface Blob {
  constructor(optional sequence<BlobPart> blobParts,
              optional BlobPropertyBag options = {});

  readonly attribute unsigned long long size;
  readonly attribute DOMString type;

  // slice Blob into byte-ranged chunks
  Blob slice(optional [Clamp] long long start,
            optional [Clamp] long long end,
            optional DOMString contentType);

  // read from the Blob.
  [NewObject] ReadableStream stream();
  [NewObject] Promise<USVString> text();
  [NewObject] Promise<ArrayBuffer> arrayBuffer();
  [NewObject] ReadableStream textStream();
  [NewObject] Promise<Uint8Array> bytes();
};

enum EndingType { "transparent", "native" };

dictionary BlobPropertyBag {
  DOMString type = "";
  EndingType endings = "transparent";
};

typedef (BufferSource or Blob or USVString) BlobPart;

[Exposed=(Window,Worker), Serializable]
interface File : Blob {
  constructor(sequence<BlobPart> fileBits,
              USVString fileName,
              optional FilePropertyBag options = {});
  readonly attribute DOMString name;
  readonly attribute long long lastModified;
};

dictionary FilePropertyBag : BlobPropertyBag {
  long long lastModified;
};

[Exposed=(Window,Worker), Serializable]
interface FileList {
  getter File? item(unsigned long index);
  readonly attribute unsigned long length;
};

[Exposed=(Window,Worker)]
interface FileReader: EventTarget {
  constructor();
  // async read methods
  undefined readAsArrayBuffer(Blob blob);
  undefined readAsBinaryString(Blob blob);
  undefined readAsText(Blob blob, optional DOMString encoding);
  undefined readAsDataURL(Blob blob);

  undefined 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 DOMException? error;

  // event handler content attributes
  attribute EventHandler onloadstart;
  attribute EventHandler onprogress;
  attribute EventHandler onload;
  attribute EventHandler onabort;
  attribute EventHandler onerror;
  attribute EventHandler onloadend;
};

[Exposed=(DedicatedWorker,SharedWorker)]
interface FileReaderSync {
  constructor();
  // Synchronously return strings

  ArrayBuffer readAsArrayBuffer(Blob blob);
  DOMString readAsBinaryString(Blob blob);
  DOMString readAsText(Blob blob, optional DOMString encoding);
  DOMString readAsDataURL(Blob blob);
};

[Exposed=(Window,DedicatedWorker,SharedWorker)]
partial interface URL {
  static DOMString createObjectURL((Blob or MediaSource) obj);
  static undefined revokeObjectURL(DOMString url);
};