Execute Powershell script from Node.js

You can just spawn a child process "powershell.exe" and listen to stdout for command output and stderr for errors:

var spawn = require("child_process").spawn,child;
child = spawn("powershell.exe",["c:\\temp\\helloworld.ps1"]);
child.stdout.on("data",function(data){
    console.log("Powershell Data: " + data);
});
child.stderr.on("data",function(data){
    console.log("Powershell Errors: " + data);
});
child.on("exit",function(){
    console.log("Powershell Script finished");
});
child.stdin.end(); //end input

The newer way to do this

const { exec } = require('child_process');
exec('command here', {'shell':'powershell.exe'}, (error, stdout, stderr)=> {
    // do whatever with stdout
})