ngsw-config.json

{
  "$schema": "./node_modules/@angular/service-worker/config/schema.json",
  "index": "/index.html",
  "assetGroups": [
    {
      "name": "app",
      "installMode": "prefetch",
      "resources": {
        "files": ["/favicon.ico", "/index.html", "/*.css", "/*.js"]
      }
    },
    {
      "name": "assets",
      "installMode": "lazy",
      "updateMode": "prefetch",
      "resources": {
        "files": ["/assets/**"]
      }
    },
    {
      "name": "assetsAlwaysNeeded",
      "installMode": "prefetch",
      "updateMode": "prefetch",
      "resources": {
        "files": [
          "/assets/icons/*.svg",
          "/assets/i18n/en.json",
          "/assets/unicorn.png",
          "/assets/fonts/MaterialIcons-Regular.ttf",
          "/*.(otf|ttf|woff|woff2)"
        ]
      }
    },
    {
      "name": "externalAssets",
      "installMode": "lazy",
      "updateMode": "prefetch",
      "resources": {
        "urls": ["**/*.(png|jpg|jpeg|gif)"]
      }
    }
  ],
  "dataGroups": []
}