Nodejs MMM Motiondetector

const NodeHelper = require("node_helper");

const exec = require("child_process").exec;

var cmd=require('node-cmd'); // install node-cmd (npm install node-cmd) first and add excute command osx style then change exec to cmd.get <-- return the result to analize

module.exports = NodeHelper.create({
    start: function () {
        this.started = false;
        this.isMonitorOn(function(result) {
            console.log("MMM-MotionDetector: monitor on " + result);
        });
    },

    activateMonitor: function () {
        this.isMonitorOn(function(result) {
            if (!result) {
                cmd.get('caffeinate -u -t 1', function(err, out, code) {
                    if (err) {
                        console.error("MMM-MotionDetector: error activating monitor: " + code);
                    } else {
                        console.log("MMM-MotionDetector: monitor has been activated");
                    }
                });
            }
        });
        this.started = false;
    },

    deactivateMonitor: function () {
        this.isMonitorOn(function(result) {
            if (result) {
                cmd.get('pmset displaysleepnow', function(err, out, code) {


                    if (err) {
                        console.error("MMM-MotionDetector: error deactivating monitor: " + code);
                    } else {
                        console.log("MMM-MotionDetector: monitor has been deactivated");
                    }
                });
            }
        });
        this.started = false;
    },

    isMonitorOn: function(resultCallback) {



        cmd.get('pmset -g powerstate IODisplayWrangler | tail -1 | cut -c29', function(err, out, code) {
            console.log("MMM-MotionDetector: monitor " + out);

            if (err) {
                console.error("MMM-MotionDetector: error calling monitor status: " + code);
                return;
            }

            console.log("MMM-MotionDetector: monitor " + out);
        resultCallback(out.includes("4")); // <4 is off
        });
    },

    // Subclass socketNotificationReceived received.
    socketNotificationReceived: function (notification, payload) {
        if (notification === "MOTION_DETECTED" && this.started === false) {
            console.log("MMM-MotionDetector: MOTION_DETECTED, score " + payload.score);
            this.started = true;
            this.activateMonitor();
        }
        if (notification === "DEACTIVATE_MONITOR" && this.started === false) {
            console.log("MMM-MotionDetector: DEACTIVATE_MONITOR");
            this.started = true;
            this.deactivateMonitor();
        }
    }
});