feishin/electron/main/index.ts

// The built directory structure
//
// ├─┬ dist-electron
// │ ├─┬ main
// │ │ └── index.js    > Electron-Main
// │ └─┬ preload
// │   └── index.js    > Preload-Scripts
// ├─┬ dist
// │ └── index.html    > Electron-Renderer
//
process.env.DIST_ELECTRON = join(__dirname, '..');
process.env.DIST = join(process.env.DIST_ELECTRON, '../dist');
process.env.PUBLIC = app.isPackaged ? process.env.DIST : join(process.env.DIST_ELECTRON, '../public');

import { release } from 'os';
import { join } from 'path';
import { app, BrowserWindow, shell, ipcMain } from 'electron';
import './features';

// Disable GPU Acceleration for Windows 7
if (release().startsWith('6.1')) app.disableHardwareAcceleration();

// Set application name for Windows 10+ notifications
if (process.platform === 'win32') app.setAppUserModelId(app.getName());

if (!app.requestSingleInstanceLock()) {
  app.quit();
  process.exit(0);
}

let win: BrowserWindow | null = null;
// Here, you can also use other preload
const preload = join(__dirname, '../preload/index.js');
const url = process.env.VITE_DEV_SERVER_URL as string;
const indexHtml = join(process.env.DIST, 'index.html');

async function createWindow() {
  win = new BrowserWindow({
    icon: join(process.env.PUBLIC as string, 'favicon.svg'),
    title: 'Main window',
    webPreferences: {
      contextIsolation: true,
      nodeIntegration: false,
      preload,
    },
  });

  if (app.isPackaged) {
    win.loadFile(indexHtml);
  } else {
    win.loadURL(url);
    // win.webContents.openDevTools()
  }

  // Test actively push message to the Electron-Renderer
  win.webContents.on('did-finish-load', () => {
    win?.webContents.send('main-process-message', new Date().toLocaleString());
  });

  // Make all links open with the browser, not with the application
  win.webContents.setWindowOpenHandler(({ url }) => {
    if (url.startsWith('https:')) shell.openExternal(url);
    return { action: 'deny' };
  });
}

app.whenReady().then(createWindow);

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

app.on('second-instance', () => {
  if (win) {
    // Focus on the main window if the user tried to open another
    if (win.isMinimized()) win.restore();
    win.focus();
  }
});

app.on('activate', () => {
  const allWindows = BrowserWindow.getAllWindows();
  if (allWindows.length) {
    allWindows[0].focus();
  } else {
    createWindow();
  }
});

// new window example arg: new windows url
ipcMain.handle('open-win', (event, arg) => {
  const childWindow = new BrowserWindow({
    webPreferences: {
      preload,
    },
  });

  if (app.isPackaged) {
    childWindow.loadFile(indexHtml, { hash: arg });
  } else {
    childWindow.loadURL(`${url}/#${arg}`);
    // childWindow.webContents.openDevTools({ mode: "undocked", activate: true })
  }
});

export const getWindow = () => {
  return win;
};