How to use

stdio

function

in

ChildProcess

// we open a 4th stdio as IPC doesn't work on windows for python->node
  child.stdio[4].on("data", async function(message) {
   await waitPort({
    port: parseInt(message.toString()),
    output: "silent",
    timeout: 1000 * 60 * 2 // 2 Minutes
   });
   resolve(expressWrap(message.toString().trim()));
  });

this._pid = this._child.pid;
this._channel = new Channel_1.Channel({
  sendSocket: this._child.stdio[3],
  recvSocket: this._child.stdio[4],
  pid: this._pid
});

  sendSocket : this._child.stdio[3],
  recvSocket : this._child.stdio[4],
  pid        : this._pid
});

// we open a 4th stdio as IPC doesn't work on windows for python->node
  child.stdio[4].on("data", async function(message) {
   await waitPort({
    port: parseInt(message.toString()),
    output: "silent",
    timeout: 1000 * 60 * 2 // 2 Minutes
   });
   resolve(expressWrap(message.toString().trim()));
  });