index.js

// Requirements
const { app, BrowserWindow, ipcMain, Menu } = require('electron')
const autoUpdater                   = require('electron-updater').autoUpdater
const ejse                          = require('ejs-electron')
const fs                            = require('fs')
const isDev                         = require('./app/assets/js/isdev')
const path                          = require('path')
const semver                        = require('semver')
const url                           = require('url')

// Setup auto updater.

// Open channel to listen for update actions.

// Redirect distribution index event from preloader to renderer.
ipcMain.on('distributionIndexDone', (event, res) => {
    event.sender.send('distributionIndexDone', res)
})

// Disable hardware acceleration.
// https://electronjs.org/docs/tutorial/offscreen-rendering
app.disableHardwareAcceleration()

// https://github.com/electron/electron/issues/18397
app.allowRendererProcessReuse = true

// 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 win

function createWindow() {

    win = new BrowserWindow({
        width: 980,
        height: 552,
        icon: getPlatformIcon('SealCircle'),
        frame: false,
        webPreferences: {
            preload: path.join(__dirname, 'app', 'assets', 'js', 'preloader.js'),
            nodeIntegration: true,
            contextIsolation: false,
            enableRemoteModule: true,
            worldSafeExecuteJavaScript: true
        },
        backgroundColor: '#171614'
    })

    ejse.data('bkid', Math.floor((Math.random() * fs.readdirSync(path.join(__dirname, 'app', 'assets', 'images', 'backgrounds')).length)))

    win.loadURL(url.format({
        pathname: path.join(__dirname, 'app', 'app.ejs'),
        protocol: 'file:',
        slashes: true
    }))

    /*win.once('ready-to-show', () => {
        win.show()
    })*/

    win.removeMenu()

    win.resizable = true

    win.on('closed', () => {
        win = null
    })
}

function createMenu() {
    
    if(process.platform === 'darwin') {

        // Extend default included application menu to continue support for quit keyboard shortcut
        let applicationSubMenu = {
            label: 'Application',
            submenu: [{
                label: 'About Application',
                selector: 'orderFrontStandardAboutPanel:'
            }, {
                type: 'separator'
            }, {
                label: 'Quit',
                accelerator: 'Command+Q',
                click: () => {
                    app.quit()
                }
            }]
        }

        // New edit menu adds support for text-editing keyboard shortcuts
        let editSubMenu = {
            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:'
            }]
        }

        // Bundle submenus into a single template and build a menu object with it
        let menuTemplate = [applicationSubMenu, editSubMenu]
        let menuObject = Menu.buildFromTemplate(menuTemplate)

        // Assign it to the application
        Menu.setApplicationMenu(menuObject)

    }

}

function getPlatformIcon(filename){
    let ext
    switch(process.platform) {
        case 'win32':
            ext = 'ico'
            break
        case 'darwin':
        case 'linux':
        default:
            ext = 'png'
            break
    }

    return path.join(__dirname, 'app', 'assets', 'images', `${filename}.${ext}`)
}

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

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') {
        app.quit()
    }
})

app.on('activate', () => {
    // 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 (win === null) {
        createWindow()
    }
})