feat: add pwa support

angular.json

@@ -47,7 +47,8 @@
                   "maximumError": "8kB"
                 }
               ],
-              "outputHashing": "all"
+              "outputHashing": "all",
+              "serviceWorker": "ngsw-config.json"
             },
             "development": {
               "optimization": false,

ngsw-config.json

@@ -0,0 +1,30 @@
+{
+  "$schema": "./node_modules/@angular/service-worker/config/schema.json",
+  "index": "/index.html",
+  "assetGroups": [
+    {
+      "name": "app",
+      "installMode": "prefetch",
+      "resources": {
+        "files": [
+          "/favicon.ico",
+          "/index.csr.html",
+          "/index.html",
+          "/manifest.webmanifest",
+          "/*.css",
+          "/*.js"
+        ]
+      }
+    },
+    {
+      "name": "assets",
+      "installMode": "lazy",
+      "updateMode": "prefetch",
+      "resources": {
+        "files": [
+          "/**/*.(svg|cur|jpg|jpeg|png|apng|webp|avif|gif|otf|ttf|woff|woff2)"
+        ]
+      }
+    }
+  ]
+}

package-lock.json

@@ -14,6 +14,7 @@
         "@angular/forms": "^20.3.15",
         "@angular/platform-browser": "^20.3.15",
         "@angular/router": "^20.3.15",
+        "@angular/service-worker": "^20.3.15",
         "rxjs": "~7.8.0",
         "tslib": "^2.3.0",
         "zone.js": "~0.15.0"
@@ -596,6 +597,25 @@
         "rxjs": "^6.5.3 || ^7.4.0"
       }
     },
+    "node_modules/@angular/service-worker": {
+      "version": "20.3.15",
+      "resolved": "https://registry.npmjs.org/@angular/service-worker/-/service-worker-20.3.15.tgz",
+      "integrity": "sha512-HCptODPVWg30XJwSueOz2zqsJjQ1chSscTs7FyIQcfuCTTthO35Lvz2Gtct8/GNHel9QNvvVwA5jrLjsU4dt1A==",
+      "license": "MIT",
+      "dependencies": {
+        "tslib": "^2.3.0"
+      },
+      "bin": {
+        "ngsw-config": "ngsw-config.js"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      },
+      "peerDependencies": {
+        "@angular/core": "20.3.15",
+        "rxjs": "^6.5.3 || ^7.4.0"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.27.1",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.27.1.tgz",

package.json

@@ -28,6 +28,7 @@
     "@angular/forms": "^20.3.15",
     "@angular/platform-browser": "^20.3.15",
     "@angular/router": "^20.3.15",
+    "@angular/service-worker": "^20.3.15",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.15.0"

public/manifest.webmanifest

@@ -0,0 +1,58 @@
+{
+  "name": "Gabigenda",
+  "short_name": "Gabigenda",
+  "display": "standalone",
+  "scope": "./",
+  "background_color": "#ff0000",
+  "start_url": "./",
+  "icons": [
+    {
+      "src": "icons/icon-72x72.png",
+      "sizes": "72x72",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-96x96.png",
+      "sizes": "96x96",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-128x128.png",
+      "sizes": "128x128",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-144x144.png",
+      "sizes": "144x144",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-152x152.png",
+      "sizes": "152x152",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-384x384.png",
+      "sizes": "384x384",
+      "type": "image/png",
+      "purpose": "maskable any"
+    },
+    {
+      "src": "icons/icon-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable any"
+    }
+  ]
+}

src/app/app.config.ts

@@ -2,7 +2,7 @@ import {
   ApplicationConfig,
   InjectionToken,
   provideBrowserGlobalErrorListeners,
-  provideZoneChangeDetection,
+  provideZoneChangeDetection, isDevMode,
 } from '@angular/core';
 import { provideRouter } from '@angular/router';
 
@@ -10,6 +10,7 @@ import { routes } from './app.routes';
 import { strings } from './strings';
 import { provideHttpClient } from '@angular/common/http';
 import { Language } from './types/Language.type';
+import { provideServiceWorker } from '@angular/service-worker';
 
 const STRINGS_TOKEN = 'strings';
 export const STRINGS_INJECTOR = new InjectionToken<typeof strings>(STRINGS_TOKEN);
@@ -24,6 +25,9 @@ export const appConfig: ApplicationConfig = {
     provideRouter(routes),
     provideHttpClient(),
     { provide: STRINGS_INJECTOR, useValue: strings },
-    { provide: LS_LANGUAGE, useValue: 'language' },
+    { provide: LS_LANGUAGE, useValue: 'language' }, provideServiceWorker('ngsw-worker.js', {
+            enabled: !isDevMode(),
+            registrationStrategy: 'registerWhenStable:30000'
+          }),
   ],
 };

src/index.html

@@ -6,10 +6,12 @@
   <base href="/">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
-  <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;700&display=swap" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;700&amp;display=swap" rel="stylesheet">
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.4.1/css/all.css" integrity="sha384-5sAR7xN1Nv6T6+dT2mhtzEpVJvfS3NScPQTrOxhwjIuvcA67KV2R5Jz6kr4abQsz" crossorigin="anonymous">
+  <link rel="manifest" href="manifest.webmanifest">
 </head>
 <body>
   <app-root></app-root>
+  <noscript>Please enable JavaScript to continue using this application.</noscript>
 </body>
 </html>