clean start

.prettierrc

+{
+  "printWidth": 140,
+  "singleQuote": true
+}

main.js

 // Modules to control application life and create native browser window
-const { app, BrowserWindow } = require('electron')
-const path = require('path')
+const { app, BrowserWindow } = require('electron');
+const path = require('path');
 
-function createWindow () {
+function createWindow() {
   // Create the browser window.
   const mainWindow = new BrowserWindow({
     width: 800,
@@ -10,10 +10,14 @@ function createWindow () {
     webPreferences: {
       preload: path.join(__dirname, 'preload.js')
     }
-  })
+  });
 
   // and load the index.html of the app.
-  mainWindow.loadFile('dist/ci/index.html')
+  if (process['NODE_ENV'] === 'development') {
+    mainWindow.loadURL('http://localhost:4200');
+  } else {
+    mainWindow.loadFile('dist/ci/index.html');
+  }
 
   // Open the DevTools.
   // mainWindow.webContents.openDevTools()
@@ -23,21 +27,21 @@ function createWindow () {
 // initialization and is ready to create browser windows.
 // 部分 API 在 ready 事件触发后才能使用。
 app.whenReady().then(() => {
-  createWindow()
+  createWindow();
 
-  app.on('activate', function () {
+  app.on('activate', function() {
     // On macOS it's common to re-create a window in the app when the
     // dock icon is clicked and there are no other windows open.
-    if (BrowserWindow.getAllWindows().length === 0) createWindow()
-  })
-})
+    if (BrowserWindow.getAllWindows().length === 0) createWindow();
+  });
+});
 
 // Quit when all windows are closed, except on macOS. There, it's common
 // for applications and their menu bar to stay active until the user quits
 // explicitly with Cmd + Q.
-app.on('window-all-closed', function () {
-  if (process.platform !== 'darwin') app.quit()
-})
+app.on('window-all-closed', function() {
+  if (process.platform !== 'darwin') app.quit();
+});
 
 // In this file you can include the rest of your app's specific main process
 // code. 也可以拆分成几个文件，然后用 require 导入。

src/app/shared/webview.directive.ts

+import { Directive } from '@angular/core';
+
+@Directive({
+  selector: 'webview'
+})
+export class WebviewDirective {
+
+  constructor() { }
+
+}