use electron-is-dev

package.json

@@ -45,6 +45,7 @@
     "configstore": "^2.1.0",
     "electron-auto-updater": "^0.8.3",
     "electron-debug": "^1.1.0",
+    "electron-is-dev": "^0.1.2",
     "keytar": "^3.0.2",
     "nslog": "^3.0.0",
     "osascript": "^1.2.0"

src/AppMenuManager.ts

@@ -3,7 +3,6 @@ import {WINDOW_NAVIGATED} from "./WindowManager";
 import {AppSignal} from "./electronEventSignals";
 import MenuItemOptions = Electron.MenuItemOptions
 import WebContents = Electron.WebContents
-import IpcMainEvent = Electron.IpcMainEvent;
 
 export default function setMenu(homeUrl: string) {
   const windowsMenu: MenuItemOptions = {
@@ -214,10 +213,10 @@ function updateHistoryMenuItems(items: MenuItemOptions[], homeUrl: string) {
     items[1].enabled = webContents.canGoForward()
   }
 
-  ipcMain.on(WINDOW_NAVIGATED, (event: IpcMainEvent, url: string) => {
-    updateEnabled(event.sender)
-    items[2].enabled = url.replace(/(\?.*)|(#.*)/g, "") != homeUrl
-  })
+  ipcMain.on(WINDOW_NAVIGATED, <any>((webContents: WebContents, url: string) => {
+      updateEnabled(webContents)
+      items[2].enabled = url.replace(/(\?.*)|(#.*)/g, "") != homeUrl
+    }))
 
   new AppSignal()
     .windowBlurred(() => {

src/util.ts

@@ -1,7 +1,7 @@
-import {app} from "electron";
+const _isDev = require('electron-is-dev')
 
 export function isDev() {
-  return app.getPath("exe").includes("/node_modules/electron-prebuilt/")
+  return _isDev
 }
 
 let _log: (...args: any[]) => void