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HakinCodes · Aug 29, 2020 · 273b3ec · 273b3ec
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commit 273b3ec
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diff --git a/malarial-detection/src/components/router/router.js b/malarial-detection/src/components/router/router.js
@@ -1,14 +1,12 @@
 import React from "react";
-import {BrowserRouter, Route, Switch} from "react-router-dom";
+import { BrowserRouter, Route, Switch } from "react-router-dom";
 
 const Router = () => (
   <BrowserRouter>
     <Switch>
-      <Route path="/about" component={
-  About} />
+      <Route path="/about" component={About} />
       <Route path="/users " component={Users} />
-      <Route path="/" component={
-  Home} />
+      <Route path="/" component={Home} />
     </Switch>
   </BrowserRouter>
 );

diff --git a/malarial-detection/src/pages/App.js b/malarial-detection/src/pages/App.js
@@ -4,9 +4,13 @@ import Router from "components/router/router";
 import React from "react";
 
 function App() {
-  return (<div className = "App"><header className = "App-header"><Router />
-          </header>
-    </div>);
+  return (
+    <div className="App">
+      <header className="App-header">
+        <Router />
+      </header>
+    </div>
+  );
 }
 
 export default App;
diff --git a/malarial-detection/src/pages/App.test.js b/malarial-detection/src/pages/App.test.js
@@ -1,10 +1,10 @@
-import {render} from "@testing-library/react";
+import { render } from "@testing-library/react";
 import React from "react";
 
 import App from "./App";
 
 test("renders learn react link", () => {
-  const {getByText} = render(<App />);
+  const { getByText } = render(<App />);
   const linkElement = getByText(/learn react/i);
   expect(linkElement).toBeInTheDocument();
 });
diff --git a/malarial-detection/src/pages/serviceWorker.js b/malarial-detection/src/pages/serviceWorker.js
@@ -10,13 +10,15 @@
 // To learn more about the benefits of this model and instructions on how to
 // opt-in, read https://bit.ly/CRA-PWA
 
-const isLocalhost =
-    Boolean(window.location.hostname === "localhost" ||
-            // [::1] is the IPv6 localhost address.
-            window.location.hostname === "[::1]" ||
-            // 127.0.0.0/8 are considered localhost for IPv4.
-            window.location.hostname.match(
-                /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/));
+const isLocalhost = Boolean(
+  window.location.hostname === "localhost" ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === "[::1]" ||
+    // 127.0.0.0/8 are considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
 
 export function register(config) {
   if (process.env.NODE_ENV === "production" && "serviceWorker" in navigator) {
@@ -41,8 +43,10 @@ export function register(config) {
         // Add some additional logging to localhost, pointing developers to the
         // service worker/PWA documentation.
         navigator.serviceWorker.ready.then(() => {
-          console.log("This web app is being served cache-first by a service " +
-                      "worker. To learn more, visit https://bit.ly/CRA-PWA");
+          console.log(
+            "This web app is being served cache-first by a service " +
+              "worker. To learn more, visit https://bit.ly/CRA-PWA"
+          );
         });
       } else {
         // Is not localhost. Just register service worker
@@ -53,77 +57,88 @@ export function register(config) {
 }
 
 function registerValidSW(swUrl, config) {
-  navigator.serviceWorker.register(swUrl)
-      .then((registration) => {
-        registration.onupdatefound = () => {
-          const installingWorker = registration.installing;
-          if (installingWorker == null) {
-            return;
-          }
-          installingWorker.onstatechange = () => {
-            if (installingWorker.state === "installed") {
-              if (navigator.serviceWorker.controller) {
-                // At this point, the updated precached content has been
-                // fetched, but the previous service worker will still serve the
-                // older content until all client tabs are closed.
-                console.log(
-                    "New content is available and will be used when all " +
-                    "tabs for this page are closed. See https://bit.ly/CRA-PWA.");
+  navigator.serviceWorker
+    .register(swUrl)
+    .then((registration) => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === "installed") {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been
+              // fetched, but the previous service worker will still serve the
+              // older content until all client tabs are closed.
+              console.log(
+                "New content is available and will be used when all " +
+                  "tabs for this page are closed. See https://bit.ly/CRA-PWA."
+              );
 
-                // Execute callback
-                if (config && config.onUpdate) {
-                  config.onUpdate(registration);
-                }
-              } else {
-                // At this point, everything has been precached.
-                // It's the perfect time to display a
-                // "Content is cached for offline use." message.
-                console.log("Content is cached for offline use.");
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log("Content is cached for offline use.");
 
-                // Execute callback
-                if (config && config.onSuccess) {
-                  config.onSuccess(registration);
-                }
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
               }
             }
-          };
+          }
         };
-      })
-      .catch((error) => {
-        console.error("Error during service worker registration:", error);
-      });
+      };
+    })
+    .catch((error) => {
+      console.error("Error during service worker registration:", error);
+    });
 }
 
 function checkValidServiceWorker(swUrl, config) {
   // Check if the service worker can be found. If it can't reload the page.
   fetch(swUrl, {
-    headers : {"Service-Worker" : "script"},
+    headers: { "Service-Worker": "script" },
   })
-      .then((response) => {
-        // Ensure service worker exists, and that we really are getting a JS
-        // file.
-        const contentType = response.headers.get("content-type");
-        if (response.status === 404 ||
-            (contentType != null && contentType.indexOf("javascript") === -1)) {
-          // No service worker found. Probably a different app. Reload the page.
-          navigator.serviceWorker.ready.then((registration) => {
-            registration.unregister().then(() => { window.location.reload(); });
+    .then((response) => {
+      // Ensure service worker exists, and that we really are getting a JS
+      // file.
+      const contentType = response.headers.get("content-type");
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf("javascript") === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then((registration) => {
+          registration.unregister().then(() => {
+            window.location.reload();
           });
-        } else {
-          // Service worker found. Proceed as normal.
-          registerValidSW(swUrl, config);
-        }
-      })
-      .catch(() => {
-        console.log(
-            "No internet connection found. App is running in offline mode.");
-      });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        "No internet connection found. App is running in offline mode."
+      );
+    });
 }
 
 export function unregister() {
   if ("serviceWorker" in navigator) {
     navigator.serviceWorker.ready
-        .then((registration) => { registration.unregister(); })
-        .catch((error) => { console.error(error.message); });
+      .then((registration) => {
+        registration.unregister();
+      })
+      .catch((error) => {
+        console.error(error.message);
+      });
   }
 }