// https://websockets.spec.whatwg.org/#websocket
[Exposed=(Window,Worker)]
interface WebSocket : EventTarget {

    constructor(USVString url, optional (DOMString or sequence<DOMString>) protocols);

    readonly attribute USVString url;

    // ready state
    const unsigned short CONNECTING = 0;
    const unsigned short OPEN = 1;
    const unsigned short CLOSING = 2;
    const unsigned short CLOSED = 3;
    readonly attribute unsigned short readyState;
    [FIXME] readonly attribute unsigned long long bufferedAmount;

    // networking
    attribute EventHandler onopen;
    attribute EventHandler onerror;
    attribute EventHandler onclose;
    readonly attribute DOMString extensions;
    readonly attribute DOMString protocol;
    undefined close(optional [Clamp] unsigned short code, optional USVString reason);

    // messaging
    attribute EventHandler onmessage;
    attribute DOMString binaryType;
    undefined send((BufferSource or Blob or USVString) data);
};
