main.js

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

let mainWindow;

function createWindow() {
    mainWindow = new BrowserWindow({
        width: 1200,
        height: 800,
        webPreferences: {
            nodeIntegration: false,
            contextIsolation: true,
            sandbox: true,
            preload: path.join(__dirname, 'preload.js')
        },
        icon: path.join(__dirname, 'assets/icon.png')
    });

    mainWindow.loadFile('index.html');

    mainWindow.webContents.setWindowOpenHandler(({ url }) => {
        shell.openExternal(url);
        return { action: 'deny' };
    });

    mainWindow.on('closed', () => {
        mainWindow = null;
    });
}

app.whenReady().then(createWindow);

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

app.on('activate', () => {
    if (mainWindow === null) {
        createWindow();
    }
});