title: PWA Vue JS App doesn't displayed on devices
body: <p>I tried to run my PWA App on devices but I have some problem.</p>
  
  <p>On an Android Smartphone (Honor) : Works with google chrome, and after add app to home screen.</p>
  
  <p>On an Android tablet (Samsung) : Works with google Chrome but white screen after add app to home screen.</p>
  
  <p>On IOS Smartphone : White screen on safari. </p>
  
  <p>On IOS Ipad : White screen on safari. With this error : "SyntaxError: Unexpected token '...'. Expected a property name."</p>
  
  <p>There is my my manifest.json :</p>
  
  <pre><code>{
    "name": "ox-mobile",
    "short_name": "ox-mobile",
    "icons": [
      {
        "src": "./img/icons/android-chrome-192x192.png",
        "sizes": "192x192",
        "type": "image/png"
      },
      {
        "src": "./img/icons/android-chrome-512x512.png",
        "sizes": "512x512",
        "type": "image/png"
      }
    ],
    "start_url": "index.html",
    "display": "standalone",
    "background_color": "#000000",
    "theme_color": "#4DBA87",
  }
  </code></pre>
  
  <p>And my router.ts : </p>
  
  <pre><code>export default new Router({
    mode: 'history',
    base: process.env.BASE_URL,
    routes: [
      {
        path: '/home',
        name: 'home',
        component: Home,
        alias: '/',
      },
      {
        path: '/',
        name: 'auth',
        component: Auth,
        alias: '/',
      },
      {
        path: '/logout',
        name: 'logout',
        component: Logout,
        alias: '/',
      },
    ],
  </code></pre>
  
  <p>Someone had same issue ?</p>