Function sendKeepalive

src/upstreamproxy/relay.ts:430–434

(ws: WebSocketLike)

}

function sendKeepalive(ws: WebSocketLike): void {
  if (ws.readyState === WebSocket.OPEN) {
    ws.send(encodeChunk(new Uint8Array(0)))
  }
}

function forwardToWs(ws: WebSocketLike, data: Buffer): void {
  if (ws.readyState !== WebSocket.OPEN) return