main.js to main.dev.js

import Raven from 'raven';
import { app, globalShortcut } from 'electron';
import { ApplicationManager, MainWindow } from './app';

let mainWindow = null;

let dev = false;
if (process.defaultApp || /[\\/]electron[\\/]/.test(process.execPath)) {
  dev = true;
}
global.dev = dev;


if (!dev) {
  Raven.config('https://c561764525994abbb3ca1faae8e6f460@sentry.gamecredits.org/6', {
    release: app.getVersion()
  }).install();
}

app.on('ready', () => {
  mainWindow = new MainWindow(dev, __dirname, ApplicationManager);

  ApplicationManager.init(mainWindow);

  globalShortcut.register('CommandOrControl+Shift+K', () => {
    mainWindow.browserWindow.webContents.openDevTools();
  });
});

app.on('window-all-closed', () => {
  ApplicationManager.close();

  // On macOS it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', () => {
  // On macOS it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    mainWindow = new MainWindow(dev);
  }
});