ngsw-config.json

{
  "index": "/index.html",
  "assetGroups": [
    {
      "name": "app",
      "installMode": "prefetch",
      "resources": {
        "files": [
          "./favicon.ico",
          "./index.html",
          "./*.css",
          "./*.js"
        ]
      }
    }, {
      "name": "assets",
      "installMode": "prefetch",
      "updateMode": "prefetch",
      "resources": {
        "files": [
          "./assets/**"
        ]
      }
    }
  ],
  "dataGroups": [{
    "name": "api-freshness",
    "urls": [
      "./assets/data"
    ],
    "cacheConfig": {
      "maxSize": 100,
      "maxAge": "1h",
      "timeout": "10s",
      "strategy": "freshness"
    }
  }, {
    "name": "api-performance",
    "urls": [],
    "cacheConfig": {
      "maxSize": 100,
      "maxAge": "1d",
      "strategy": "performance"
    }
  }]
}