main.js

const { app, BrowserWindow, Menu } = require('electron');
const path = require('path');

const isDev = !app.isPackaged;

function createWindow() {
  const win = new BrowserWindow({
    width: 480,
    height: 760,
    minWidth: 400,
    minHeight: 600,
    backgroundColor: '#12151f',
    icon: path.join(__dirname, 'assets', 'icon.ico'),
    title: 'ARCWorks Simple Dictionary',
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true,
      nodeIntegration: false,
      sandbox: false
    }
  });

  // A plain "very simple" app doesn't need a menu bar cluttering the window.
  win.setMenuBarVisibility(false);
  Menu.setApplicationMenu(null);

  win.loadFile(path.join(__dirname, 'renderer', 'index.html'));

  if (isDev && process.env.OPEN_DEVTOOLS === '1') {
    win.webContents.openDevTools({ mode: 'detach' });
  }
}

app.whenReady().then(createWindow);

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') app.quit();
});

app.on('activate', () => {
  if (BrowserWindow.getAllWindows().length === 0) createWindow();
});