const { app } = require('electron'); const sets = [ 'https://fps-member1.glitch.me', 'https://fps-member2.glitch.me', 'https://fps-member3.glitch.me' ]; app.commandLine.appendSwitch('use-first-party-set', sets.join(',')); app.whenReady().then(function () { const hasSwitch = app.commandLine.hasSwitch('use-first-party-set'); const value = app.commandLine.getSwitchValue('use-first-party-set'); if (hasSwitch) { process.stdout.write(JSON.stringify(value)); process.stdout.end(); } app.quit(); });