const SWcontroller = require('./sw-controller') console.log('outside:open') const background = new SWcontroller({ fileName: 'sw-build.js', registerOpts: { scope: './', } }) background.startWorker() .then(registerdWorker => { return background.sendMessage('connect') }) .then((port) => { debugger }) .catch(err => { console.error(`SW Controller: ${err}`) })