How to execute 'npm run' command programmatically?

Question

I have some custom testing script, which I can run with npm run test command, which executes some Node script for starting e2e/unit tests. But before it I must star

Answer 1

Use PM2, it is really usefull and easy...

npm install pm2

const pm2 = require('pm2');

pm2.start({
    script: 'npm -- run monitorTheWeather',
    autorestart : false 
  }, (err, apps) => {
    pm2.disconnect()
    if (err) { throw err }
  })