ngsw-config.json

{
  "index": "/index.html",
  "assetGroups": [{
    "name": "app",
    "installMode": "prefetch",
    "resources": {
      "files": [
        "/favicon.ico",
        "/index.html"
      ],
      "versionedFiles": [
        "/*.bundle.css",
        "/*.bundle.js",
        "/*.chunk.js"
      ]
    }
  }, {
    "name": "prefetch-assets",
    "installMode": "prefetch",
    "resources": {
      "files": [
        "/assets/documents/**",
        "/assets/*.css"
      ]
    }
  }, {
    "name": "lazy-assets",
    "installMode": "lazy",
    "resources": {
      "files": [
        "/assets/examples/**",
        "/assets/img/**",
        "/assets/*.css"
      ]
    }
  }, {
    "name": "static-assets",
    "installMode": "lazy",
    "updateMode": "prefetch",
    "resources": {
      "urls":  [
        "https://fonts.googleapis.com/icon?family=Material+Icons",
        "https://fonts.googleapis.com/css?family=Roboto|Roboto+Mono",
        "https://ajax.googleapis.com/ajax/libs/hammerjs/2.0.8/hammer.min.js",
        "https://cdnjs.cloudflare.com/ajax/libs/web-animations/2.2.5/web-animations.min.js"
      ]
    }
  }]
}