ngsw-config.json

{
  "index": "/index.html",
  "dataGroups": [{
      "name": "api-performance",
      "urls": [
        "/assets/i18n/**"
      ],
      "cacheConfig": {
        "strategy": "performance",
        "maxSize": 100,
        "maxAge": "3d"
      }
    },
    {
      "name": "api-freshness",
      "urls": [
        "/api/fresh-todo-list",
        "/api/**"
      ],
      "cacheConfig": {
        "strategy": "freshness",
        "maxSize": 100,
        "maxAge": "3d",
        "timeout": "10s"
      }
    }
  ],
  "assetGroups": [{
    "name": "app",
    "installMode": "prefetch",
    "resources": {
      "files": [
        "/favicon.ico",
        "/index.html",
        "/*.css",
        "/*.js"
      ]
    }
  }, {
    "name": "assets",
    "installMode": "lazy",
    "updateMode": "prefetch",
    "resources": {
      "files": [
        "/assets/**"
      ]
    }
  }]
}