Function closeWebSocketConnection

deps/undici/undici.js:15248–15280

(object, code, reason, validate = false)

    }
    __name(establishWebSocketConnection, "establishWebSocketConnection");
    function closeWebSocketConnection(object, code, reason, validate = false) {
      code ??= null;
      reason ??= "";
      if (validate) validateCloseCodeAndReason(code, reason);
      if (isClosed(object.readyState) || isClosing(object.readyState)) {
      } else if (!isEstablished(object.readyState)) {
        failWebsocketConnection(object);
        object.readyState = states.CLOSING;
      } else if (!object.closeState.has(sentCloseFrameState.SENT) && !object.closeState.has(sentCloseFrameState.RECEIVED)) {
        const frame = new WebsocketFrameSend();
        if (reason.length !== 0 && code === null) {
          code = 1e3;
        }
        assert(code === null || Number.isInteger(code));
        if (code === null && reason.length === 0) {
          frame.frameData = emptyBuffer;
        } else if (code !== null && reason === null) {
          frame.frameData = Buffer.allocUnsafe(2);
          frame.frameData.writeUInt16BE(code, 0);
        } else if (code !== null && reason !== null) {
          frame.frameData = Buffer.allocUnsafe(2 + Buffer.byteLength(reason));
          frame.frameData.writeUInt16BE(code, 0);
          frame.frameData.write(reason, 2, "utf-8");
        } else {
          frame.frameData = emptyBuffer;
        }
        object.socket.write(frame.createFrame(opcodes.CLOSE));
        object.closeState.add(sentCloseFrameState.SENT);
        object.readyState = states.CLOSING;
      } else {
        object.readyState = states.CLOSING;
      }
    }
    __name(closeWebSocketConnection, "closeWebSocketConnection");
    function failWebsocketConnection(handler, code, reason, cause) {
      if (isEstablished(handler.readyState)) {