node_helper.bk

const NodeHelper = require("node_helper");
const { exec } = require("child_process");

module.exports = NodeHelper.create({
    start() {
        console.log("MMM-ProcessStatus helper started");
    },

    socketNotificationReceived(notification, payload) {
        if (notification === "CHECK_PROCESS") {
            let results = [];

            // Loop through each process and check the status
            payload.processNames.forEach((processName) => {
                const command = payload.checkCommand || `pgrep -x "${processName}"`;
                
                exec(command, (error, stdout, stderr) => {
                    let status = "stopped";  // Default status

                    if (error || stderr) {
                        console.error(`Error checking ${processName}: ${error || stderr}`);
                    } else if (stdout.trim() !== "") {
                        status = "running";
                    }

                    // Store result for the current process
                    results.push({
                        processName,
                        status
                    });

                    // Once all processes are checked, send results back
                    if (results.length === payload.processNames.length) {
                        this.sendSocketNotification("PROCESS_STATUS", results);
                    }
                });
            });
        }
    }
});