main.mjs

import { app, BrowserWindow } from 'electron';
import { createServer } from 'vite';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

async function createWindow() {
  const server = await createServer({
    configFile: path.join(__dirname, 'vite.config.js'),
  });
  await server.listen();

  const win = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      nodeIntegration: true,
    },
  });

  const url = new URL('/', `http://localhost:${server.config.server.port}`);
  win.loadURL(url.toString());
}

app.whenReady().then(createWindow);

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

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