feat: add electron app.

electron/main/src/app.ts

@@ -0,0 +1,60 @@
+import { app, shell, BrowserWindow } from 'electron';
+import './Menu';
+
+export interface Options extends Electron.BrowserWindowConstructorOptions {
+  preload?: string;
+  webpath?: string;
+}
+
+export class App {
+  app = app;
+  win?: BrowserWindow;
+  isLogin: boolean = false;
+  /** 创建主进程窗口 */
+  async createWindow(options: Options = {}, loadURL?: string) {
+    await app.whenReady();
+    const opts: Options = {
+      titleBarStyle: 'hidden', // 无标题栏
+      frame: false, // 创建无边窗口
+      width: 800,
+      height: 600,
+      minWidth: 850,
+      center: true,
+      maximizable: true,
+      minimizable: true,
+      resizable: true,
+      webPreferences: {
+        // 多线程
+        nodeIntegrationInWorker: true,
+        nodeIntegration: true,
+        contextIsolation: false,
+      },
+      ...options,
+    };
+    if (options.preload) {
+      opts.webPreferences.preload = options.preload;
+    }
+
+    this.win = new BrowserWindow(opts);
+    if (process.env.NODE_ENV === 'development') {
+      this.win.loadURL(loadURL || 'http://localhost:3000/');
+      // 打开开发者工具，默认不打开
+      this.win.webContents.openDevTools();
+    } else {
+      this.win.loadFile(options.webpath);
+    }
+    this.win.webContents.setWindowOpenHandler(({ url }) => {
+      if (/^https?:\/\//.test(url)) {
+        shell.openExternal(url);
+        return { action: 'deny' };
+      }
+      return {
+        action: 'allow',
+        overrideBrowserWindowOptions: {
+          modal: true,
+        },
+      };
+    });
+    return this.win;
+  }
+}