main.js

/**
 * Main entry point of the electron application.
 *
 * @Author: AUTHOR_PLACEHOLDER
 * @Email:  EMAIL_PLACEHOLDER
 * @Filename: main.js
 * 
 * Copyright (C) AUTHOR_PLACEHOLDER.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const electron = require('electron')

// 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.
let mainWindow;

// Create the browser window.
function createWindow() {

  mainWindow = new electron.BrowserWindow({
    width: 960,
    height: 750
  })

  // and load the index.html of the app.
  mainWindow.loadURL('file://' + __dirname + '/index.html')

  // Open the DevTools.
  mainWindow.webContents.openDevTools()

  // Emitted when the window is closed.
  mainWindow.on('closed', () => {
    // 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
  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
electron.app.on('ready', createWindow)

// Quit when all windows are closed.
electron.app.on('window-all-closed', () => {

  // On macOS it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {

    electron.app.quit()
  }
})

// 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.
electron.app.on('activate', () => {

  if (mainWindow === null) {
    createWindow()
  }
})