test sw

.env.development

@@ -0,0 +1,2 @@
+VITE_PUBLIC_URL=http://localhost:3000/citeease
+VITE_NODE_ENV=development

.env.production

@@ -0,0 +1,2 @@
+VITE_PUBLIC_URL=https://discontinuedlabs.github.io/citeease
+VITE_NODE_ENV=production

package.json

@@ -38,7 +38,20 @@
         "react-redux": "^9.1.2",
         "react-router-dom": "^6.21.1",
         "react-window": "^1.8.10",
-        "tailwindcss": "^3.4.6"
+        "tailwindcss": "^3.4.6",
+        "web-vitals": "^2.1.4",
+        "workbox-background-sync": "^6.6.0",
+        "workbox-broadcast-update": "^6.6.0",
+        "workbox-cacheable-response": "^6.6.0",
+        "workbox-core": "^6.6.0",
+        "workbox-expiration": "^6.6.0",
+        "workbox-google-analytics": "^6.6.1",
+        "workbox-navigation-preload": "^6.6.0",
+        "workbox-precaching": "^6.6.0",
+        "workbox-range-requests": "^6.6.0",
+        "workbox-routing": "^6.6.0",
+        "workbox-strategies": "^6.6.0",
+        "workbox-streams": "^6.6.0"
     },
     "devDependencies": {
         "@eslint/js": "^9.6.0",
@@ -69,8 +82,7 @@
         "react-dom": "^18.3.1",
         "typescript": "^5.5.3",
         "vite": "^5.3.4",
-        "vite-plugin-eslint": "^1.8.1",
-        "vite-plugin-pwa": "^0.20.0"
+        "vite-plugin-eslint": "^1.8.1"
     },
     "overrides": {
         "typescript": "^5.5.3"

src/service-worker.js

@@ -0,0 +1,44 @@
+/* eslint-disable no-restricted-globals, no-underscore-dangle */
+
+import { clientsClaim } from "workbox-core";
+import { ExpirationPlugin } from "workbox-expiration";
+import { precacheAndRoute, createHandlerBoundToURL } from "workbox-precaching";
+import { registerRoute } from "workbox-routing";
+import { StaleWhileRevalidate } from "workbox-strategies";
+
+clientsClaim();
+
+precacheAndRoute([...self.__WB_MANIFEST]);
+
+const fileExtensionRegexp = /[^?/]+\.[^/]+$/;
+
+registerRoute(
+    ({ request, url }) => {
+        if (request.mode !== "navigate") return false;
+
+        if (url.pathname.startsWith("/_")) return false;
+
+        if (url.pathname.match(fileExtensionRegexp)) return false;
+
+        return true;
+    },
+    createHandlerBoundToURL(`${import.meta.env.VITE_PUBLIC_URL}/index.html`)
+);
+
+registerRoute(
+    ({ url }) => {
+        const path = url.pathname.split("/");
+        const lastSegment = path[path.length - 1];
+        return url.origin === self.location.origin && ["png", "jpg", "jpeg", "svg"].includes(lastSegment);
+    },
+    new StaleWhileRevalidate({
+        cacheName: "images",
+        plugins: [new ExpirationPlugin({ maxEntries: 50 })],
+    })
+);
+
+self.addEventListener("message", (event) => {
+    if (event.data && event.data.type === "SKIP_WAITING") {
+        self.skipWaiting();
+    }
+});

src/serviceWorkerRegistration.js

@@ -0,0 +1,100 @@
+const isLocalhost = Boolean(
+    window.location.hostname === "localhost" ||
+        window.location.hostname === "[::1]" ||
+        window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/)
+);
+
+function registerValidSW(swUrl, config) {
+    navigator.serviceWorker
+        .register(swUrl)
+        .then((registration) => {
+            // eslint-disable-next-line no-param-reassign
+            registration.onupdatefound = () => {
+                const installingWorker = registration.installing;
+                if (installingWorker == null) {
+                    return;
+                }
+                installingWorker.onstatechange = () => {
+                    if (installingWorker.state === "installed") {
+                        if (navigator.serviceWorker.controller) {
+                            console.log(
+                                "New content is available and will be used when all " +
+                                    "tabs for this page are closed. See https://cra.link/PWA."
+                            );
+
+                            if (config && config.onUpdate) {
+                                config.onUpdate(registration);
+                            }
+                        } else {
+                            console.log("Content is cached for offline use.");
+
+                            if (config && config.onSuccess) {
+                                config.onSuccess(registration);
+                            }
+                        }
+                    }
+                };
+            };
+        })
+        .catch((error) => {
+            console.error("Error during service worker registration:", error);
+        });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+    fetch(swUrl, {
+        headers: { "Service-Worker": "script" },
+    })
+        .then((response) => {
+            const contentType = response.headers.get("content-type");
+            if (response.status === 404 || (contentType != null && contentType.indexOf("javascript") === -1)) {
+                navigator.serviceWorker.ready.then((registration) => {
+                    registration.unregister().then(() => {
+                        window.location.reload();
+                    });
+                });
+            } else {
+                registerValidSW(swUrl, config);
+            }
+        })
+        .catch(() => {
+            console.log("No internet connection found. App is running in offline mode.");
+        });
+}
+
+export function register(config) {
+    if (import.meta.env.VITE_NODE_ENV === "production" && "serviceWorker" in navigator) {
+        const publicUrl = new URL(import.meta.env.VITE_PUBLIC_URL, window.location.href);
+        if (publicUrl.origin !== window.location.origin) {
+            return;
+        }
+
+        window.addEventListener("load", () => {
+            const swUrl = `${import.meta.env.VITE_PUBLIC_URL}/service-worker.js`;
+
+            if (isLocalhost) {
+                checkValidServiceWorker(swUrl, config);
+
+                navigator.serviceWorker.ready.then(() => {
+                    console.log(
+                        "This web app is being served cache-first by a service worker. To learn more, visit https://cra.link/PWA"
+                    );
+                });
+            } else {
+                registerValidSW(swUrl, config);
+            }
+        });
+    }
+}
+
+export function unregister() {
+    if ("serviceWorker" in navigator) {
+        navigator.serviceWorker.ready
+            .then((registration) => {
+                registration.unregister();
+            })
+            .catch((error) => {
+                console.error(error.message);
+            });
+    }
+}

vite.config.js

@@ -1,7 +1,6 @@
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react";
 import eslint from "vite-plugin-eslint";
-import { VitePWA } from "vite-plugin-pwa";
 
 export default defineConfig(() => {
     return {
@@ -16,15 +15,6 @@ export default defineConfig(() => {
             assetsDir: ".",
         },
 
-        plugins: [
-            react(),
-            eslint(),
-            VitePWA({
-                registerType: "autoUpdate",
-                devOptions: {
-                    enabled: true,
-                },
-            }),
-        ],
+        plugins: [react(), eslint()],
     };
 });