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", "/manifest.webmanifest", "/*.css", "/*.js"]
            }
        },
        {
            "name": "assets",
            "installMode": "lazy",
            "updateMode": "prefetch",
            "resources": {
                "files": ["/assets/**", "/*.(eot|svg|cur|jpg|png|webp|gif|otf|ttf|woff|woff2|ani)"]
            }
        },
        {
            "name": "data",
            "installMode": "lazy",
            "updateMode": "prefetch",
            "resources": {
                "urls": [
                    "https://fonts.googleapis.com/**",
                    "https://fonts.gstatic.com/**",
                    "https://cdn.plot.ly/**",
                    "https://raw.githubusercontent.com/pcm-dpc/COVID-19/**"
                ]
            }
        }
    ]
}