Configuration file for Service Worker in Angular applications

ngsw-config.json

{
	"index": "/index.html",
	"appData": {
		"name": "Angular Service Worker Example",
		"description": "Example of Angular v5 application utilizing SW functionality"
	},
	"assetGroups": [
		{
			"name": "app",
			"installMode": "prefetch",
			"resources": {
				"files": [
					"/favicon.ico",
					"/index.html"
				],
				"versionedFiles": [
					"/*.bundle.css",
					"/*.bundle.js",
					"/*.chunk.js"
				]
			}
		},
		{
			"name": "assets",
			"installMode": "lazy",
			"updateMode": "prefetch",
			"resources": {
				"files": [
					"/assets/**"
				]
			}
		},
		{
			"name": "fonts",
			"resources": {
				"urls": [
					"https://fonts.googleapis.com/**"
				]
			}
		}
	],
	"dataGroups": [
		{
			"name": "api",
			"urls": [
				"/api/**"
			],
			"cacheConfig": {
				"strategy": "freshness",
				"maxSize": 100,
				"maxAge": "3d",
				"timeout": "10s"
			}
        }
	]
}