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 path = require('path')
const url = require('url')

const fs = require('fs')

const args = require('./args')
const opts = args.parse(process.argv.slice(1))

global.ARGS = opts

// console.log(global.ARGS)

// 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

const appPath = app.getAppPath()
const appBase = path.basename(appPath)
// if (appBase !== 'app.asar') {
//   // We can only create the symbolic link to the packaged app
//   return
// }

if (process.platform == 'darwin') {
  const appDir = path.dirname(appPath)
  const targetPath = path.join(appDir, 'epiviz.sh')
  const linkPath = '/usr/local/bin/epiviz'
  if (!fs.existsSync(linkPath)) {
    fs.symlinkSync(targetPath, linkPath)
  }
}

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({width: 800, height: 600})

  if(opts.port) {
    // and load the epivizr-standalone.html of the app.
    mainWindow.loadURL(url.format({
      pathname: path.join(__dirname, 'src/epivizr-standalone.html'),
      protocol: 'file:',
      slashes: true
    }))

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

  // 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.