electron-packagerを導入

src/main.js

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+"use strict";
+
+var app = require('app'); // Module to control application life.
+var BrowserWindow = require('browser-window'); // Module to create native browser window.
+var Menu = require('menu');
+var appMenu = require('./app-menu');
+
+// Keep a global reference of the window object, if you don't, the window will
+// be closed automatically when the JavaScript object is garbage collected.
+var mainWindow = null;
+var willAppQuit = false;
+
+// Quit when all windows are closed.
+app.on('window-all-closed', function() {
+  // On OS X it is common for applications and their menu bar
+  // to stay active until the user quits explicitly with Cmd + Q
+  if (process.platform !== 'darwin') {
+    app.quit();
+  }
+});
+
+// For win32, auto-hide menu bar.
+app.on('browser-window-created', function(event, window) {
+  if (process.platform === 'win32') {
+    window.setAutoHideMenuBar(true);
+    window.setMenuBarVisibility(false);
+  }
+});
+
+// For OSX, show hidden mainWindow when clicking dock icon.
+app.on('activate', function(event) {
+  mainWindow.show();
+});
+
+app.on('before-quit', function() {
+  willAppQuit = true;
+});
+
+// This method will be called when Electron has finished
+// initialization and is ready to create browser windows.
+app.on('ready', function() {
+  // Create the browser window.
+  mainWindow = new BrowserWindow({
+    width: 800,
+    height: 600
+  });
+
+  // and load the index.html of the app.
+  mainWindow.loadUrl('file://' + __dirname + '/index.html');
+
+  // Open the DevTools.
+  // mainWindow.openDevTools();
+
+  mainWindow.on('close', function(event) {
+    // Minimize or hide the window for close button.
+    if (!willAppQuit) { // avoid [Ctrl|Cmd]+Q
+      event.preventDefault();
+      switch (process.platform) {
+        case 'win32':
+          mainWindow.minimize();
+          break;
+        case 'darwin':
+          mainWindow.hide();
+          break;
+        default:
+      }
+    }
+  });
+
+  var menu = appMenu.createMenu(mainWindow);
+  Menu.setApplicationMenu(menu);
+
+  // Emitted when the window is closed.
+  mainWindow.on('closed', function() {
+    // Dereference the window object, usually you would store windows
+    // in an array if your app supports multi windows, this is the time
+    // when you should delete the corresponding element.
+    mainWindow = null;
+  });
+
+  // Deny drag&drop navigation in mainWindow.
+  // Drag&drop is allowed in webview of index.html.
+  mainWindow.webContents.on('will-navigate', function(event, url) {
+    var dirname = __dirname;
+    if (process.platform === 'win32') {
+      dirname = '/' + dirname.replace(/\\/g, '/');
+    }
+
+    var index = url.indexOf('file://' + dirname);
+    if (index !== 0) {
+      event.preventDefault();
+    }
+  });
+});