main.js

const electron = require('electron')
// Module to control application life.
const app = electron.app
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow
const opn = require('opn');

const path = require('path')
const url = require('url')
var Menu = electron.Menu;

require('./electron-context-menu-master/index.js')({
  prepend: (params, browserWindow) => [{
    visible: params.mediaType === 'input',
  }]
});

// 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

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    show: false,
    webPreferences: {
      nodeIntegration:false,
    },
    width: 1080,
    minWidth: 1080,
    height: 800,
    minHeight: 600
  })

  mainWindow.maximize();
  mainWindow.show();

  // and load the index.html of the app.
  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, 'index.html'),
    protocol: 'file:',
    slashes: true
  }))

  mainWindow.webContents.on('will-navigate', function(event, url){
    event.preventDefault();
    opn(url);
  });

    var template = [{
      label: "Application",
      submenu: [
          { label: "StellarTerm.com", click: function() { opn('https://stellarterm.com/'); } },
          { type: "separator" },
          { label: "Quit", accelerator: "Command+Q", click: function() { app.quit(); }}
      ]}, {
      label: "Edit",
      submenu: [
          { label: "Undo", accelerator: "CmdOrCtrl+Z", selector: "undo:" },
          { label: "Redo", accelerator: "Shift+CmdOrCtrl+Z", selector: "redo:" },
          { type: "separator" },
          { label: "Cut", accelerator: "CmdOrCtrl+X", selector: "cut:" },
          { label: "Copy", accelerator: "CmdOrCtrl+C", selector: "copy:" },
          { label: "Paste", accelerator: "CmdOrCtrl+V", selector: "paste:" },
          { label: "Select All", accelerator: "CmdOrCtrl+A", selector: "selectAll:" }
      ]}
  ];

  // This menu isn't actually used. However, the hotkeys get used. This is how
  // hotkeys for copy and paste are implemented.
  Menu.setApplicationMenu(Menu.buildFromTemplate(template));

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

  // 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
  })
}

// 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.
app.on('ready', createWindow)

// 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()
  }
})

app.on('activate', function () {
  // On OS X 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 (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.