TypeError: Cannot read property 'codeGen' of undefined

Ionic Framework ionic-v3
1

Hi , I am trying to build my project with the --prod flag but its throwing this error,Let me know if i have installed incorrect version of any package.Here is my package.json

{
  "name": "ionic-hello-world",
  "author": "Ionic Framework",
  "homepage": "http://ionicframework.com/",
  "private": true,
  "scripts": {
    "clean": "ionic-app-scripts clean",
    "build": "ionic-app-scripts build",
    "ionic:build": "ionic-app-scripts build",
    "ionic:serve": "ionic-app-scripts serve"
  },
  "dependencies": {
    "@angular/common": "2.2.1",
    "@angular/compiler": "2.2.1",
    "@angular/compiler-cli": "2.2.1",
    "@angular/core": "2.2.1",
    "@angular/forms": "2.2.1",
    "@angular/http": "2.2.1",
    "@angular/platform-browser": "2.2.1",
    "@angular/platform-browser-dynamic": "2.2.1",
    "@angular/platform-server": "2.2.1",
    "@ionic/storage": "^1.1.7",
    "@ngtools/webpack": "^1.1.9",
    "angular2-signaturepad": "^2.2.0",
    "cordova-android": "^6.2.3",
    "cordova-plugin-console": "^1.0.5",
    "cordova-plugin-device": "^1.1.6",
    "cordova-plugin-splashscreen": "^4.0.3",
    "cordova-plugin-statusbar": "^2.2.3",
    "cordova-plugin-whitelist": "^1.3.1",
    "cordova-sqlite-storage": "^2.0.4",
    "ionic-angular": "2.0.0-rc.4",
    "ionic-native": "2.2.11",
    "ionic-plugin-keyboard": "^2.2.1",
    "ionicons": "3.0.0",
    "moment": "^2.18.1",
    "ng2-filter-pipe": "^0.1.7",
    "rxjs": "5.0.0-beta.12",
    "zone.js": "0.6.26"
  },
  "devDependencies": {
    "@ionic/app-scripts": "^1.3.7",
    "typescript": "2.0.9"
  },
  "cordovaPlugins": [
    "ionic-plugin-keyboard",
    "cordova-plugin-whitelist",
    "cordova-plugin-console",
    "cordova-plugin-statusbar",
    "cordova-plugin-device",
    "cordova-plugin-splashscreen",
    "cordova-sqlite-storage",
    "uk.co.workingedge.phonegap.plugin.launchnavigator",
    "cordova-plugin-actionsheet",
    "cordova-plugin-mauron85-background-geolocation",
    "cordova-plugin-geolocation",
    "cordova-plugin-compat"
  ],
  "cordovaPlatforms": [
    {
      "platform": "android",
      "version": "",
      "locator": "android"
    }
  ],
  "description": " An Ionic project",
  "cordova": {
    "plugins": {
      "cordova-plugin-console": {},
      "cordova-plugin-device": {},
      "cordova-plugin-splashscreen": {},
      "cordova-plugin-statusbar": {},
      "cordova-plugin-whitelist": {},
      "cordova-sqlite-storage": {},
      "ionic-plugin-keyboard": {}
    },
    "platforms": [
      "android"
    ]
  }
}
2

What version of Ionic CLI are you using? (ionic info to find out)
You are using a current version of app-scripts, but everything else is pretty outdated.

3

I suspect TypeScript might be too old.

4

Hi Sujan here is my ionic info output

cordova CLI: 7.0.0
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 10
Node Version: v6.10.3
Xcode version: Not installed

5

hi @rapropos my typescript version is 2.3.2 .

6

Upgrade your Ionic CLI, at least to v2.2.3, better even to the current v3.x