Switch electron.js to typescript

electron.ts

@@ -0,0 +1,102 @@
+import { UpdateInfo } from './events'
+import { BrowserWindow, app } from 'electron'
+import * as path from 'path'
+import * as fs from 'fs'
+
+const { autoUpdater } = require('electron-updater')
+const log = require('electron-log')
+import { ConnectionManager, updateNotifier } from './backend/src/index'
+
+const isDebugEnabled = Boolean(process.argv.find(arg => arg === 'debug'))
+require('electron-debug')({ enabled: isDebugEnabled })
+
+autoUpdater.logger = log
+autoUpdater.logger.transports.file.level = 'info'
+log.info('App starting...')
+
+const connectionManager = new ConnectionManager()
+connectionManager.manageConnections()
+
+// 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: BrowserWindow | undefined
+
+function createWindow() {
+  const iconPath = path.join(__dirname, 'icon.png')
+  // Create the browser window.
+  mainWindow = new BrowserWindow({
+    width: 1024,
+    height: 700,
+    webPreferences: {
+      nodeIntegration: true,
+    },
+    icon: iconPath,
+  })
+
+  console.log(iconPath)
+  // and load the index.html of the app.
+  mainWindow.loadFile('app/index.html')
+
+  // Emitted when the window is closed.
+  mainWindow.on('close', () => {
+    connectionManager.closeAllConnections()
+  })
+
+  // 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 = undefined
+    app.quit()
+  })
+}
+
+// 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()
+
+  let updateInfo: UpdateInfo
+  autoUpdater.on('update-available', (info: UpdateInfo) => {
+    console.log('there is an update')
+    updateInfo = info
+  })
+
+  autoUpdater.on('error', () => {
+    console.log('could not update due to error')
+
+    if (updateInfo) {
+      updateNotifier.notify(updateInfo)
+    }
+  })
+
+  updateNotifier.onCheckUpdateRequest.subscribe(() => {
+    try {
+      autoUpdater.checkForUpdatesAndNotify()
+    } catch (error) {
+      console.error(error)
+    }
+  })
+})
+
+// Quit when all windows are closed.
+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 (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.