Definition
WebCodecs defines ImageDecoder
[Exposed=(Window,DedicatedWorker), SecureContext]
interface ImageDecoder {
constructor(ImageDecoderInit init);
readonly attribute DOMString type;
readonly attribute boolean complete;
readonly attribute Promise<undefined> completed;
readonly attribute ImageTrackList tracks;
Promise<ImageDecodeResult> decode(optional ImageDecodeOptions options = {});
undefined reset();
undefined close();
static Promise<boolean> isTypeSupported(DOMString type);
};