title: updating from `sass` to `scss` in angular
body: <p>when I create my angular app, I used the params as <code>--style=sass</code> But I would switch to <code>scss</code> for that again i run <code>ng set defaults.styleExt scss</code> and changed all files ext to <code>.scss</code>. </p>
  
  <p>But still getting error as :</p>
  
  <pre><code>ERROR in ./src/app/app.component.ts
  Module not found: Error: Can't resolve './app.component.sass' in 'C:\DHL\Projects\retailApp\src\app'
  ERROR in ./src/app/footer/footer.component.ts
  Module not found: Error: Can't resolve './footer.component.sass' in 'C:\DHL\Projects\retailApp\src\app\footer'
  ERROR in ./src/app/header/header.component.ts
  Module not found: Error: Can't resolve './header.component.sass' in 'C:\DHL\Projects\retailApp\src\app\header'
  ERROR in ./src/app/pages/home/home.component.ts
  Module not found: Error: Can't resolve './home.component.sass' in 'C:\DHL\Projects\retailApp\src\app\pages\home'
  ERROR in multi ./src/assets/css/reset.css ./src/styles.sass
  Module not found: Error: Can't resolve 'C:\DHL\Projects\retailApp\src\assets\css\reset.css' in 'C:\DHL\Projects\retailApp'
  ERROR in multi ./src/assets/css/reset.css ./src/styles.sass
  Module not found: Error: Can't resolve 'C:\DHL\Projects\retailApp\src\styles.sass' in 'C:\DHL\Projects\retailApp'
  </code></pre>
  
  <p>what is the issue here? any one help me</p>