Visual Studio Ionic 2 - Error (DEP10402) : Could not locate the start page. You may need to build your project.

On creating new Ionic 2 project templates with Visual Studio 2015, build is failing with the Error  (DEP10402) : Could not locate the start page. You may need to build your project.

Reason - There is no files in www folder by the build.

Resolution -

Update your ionic app scripts to the latest version. It is 1.0.0 for RC5 release.

npm install @ionic/app-scripts@latest --save-dev

Update your package.json to match the following dependencies, remove existing node_modules directory, and then run npm install:

"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",
    "ionic-angular": "2.0.0-rc.5",
    "ionic-native": "2.2.11",
    "ionicons": "3.0.0",
    "rxjs": "5.0.0-beta.12",
    "zone.js": "0.6.26",
    "sw-toolbox": "3.4.0"
  },
  "devDependencies": {
    "@ionic/app-scripts": "1.0.0",
    "typescript": "2.0.9"
  }