- );
-}
-
-export default App;
diff --git a/src/index.css b/src/index.css
deleted file mode 100644
index ec2585e..0000000
--- a/src/index.css
+++ /dev/null
@@ -1,13 +0,0 @@
-body {
- margin: 0;
- font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
- 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
- sans-serif;
- -webkit-font-smoothing: antialiased;
- -moz-osx-font-smoothing: grayscale;
-}
-
-code {
- font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
- monospace;
-}
diff --git a/src/index.tsx b/src/index.tsx
index 87d1be5..fff23c2 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,10 +1,9 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import './index.css';
-import App from './App';
-import * as serviceWorker from './serviceWorker';
+import React from "react";
+import ReactDOM from "react-dom";
+import App from "./main";
+import * as serviceWorker from "./serviceWorker";
-ReactDOM.render(, document.getElementById('root'));
+ReactDOM.render(, document.getElementById("root"));
// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
diff --git a/src/logo.svg b/src/logo.svg
deleted file mode 100644
index 6b60c10..0000000
--- a/src/logo.svg
+++ /dev/null
@@ -1,7 +0,0 @@
-
diff --git a/src/main.test.tsx b/src/main.test.tsx
new file mode 100644
index 0000000..6d154bd
--- /dev/null
+++ b/src/main.test.tsx
@@ -0,0 +1,9 @@
+import React from "react";
+import ReactDOM from "react-dom";
+import App from "./main";
+
+it("renders without crashing", () => {
+ const div = document.createElement("div");
+ ReactDOM.render(, div);
+ ReactDOM.unmountComponentAtNode(div);
+});
diff --git a/src/main.tsx b/src/main.tsx
new file mode 100644
index 0000000..05e188d
--- /dev/null
+++ b/src/main.tsx
@@ -0,0 +1,7 @@
+import React from "react";
+
+const App: React.FC = () => {
+ return ;
+};
+
+export default App;
diff --git a/src/serviceWorker.ts b/src/serviceWorker.ts
index 15d90cb..61c68bd 100644
--- a/src/serviceWorker.ts
+++ b/src/serviceWorker.ts
@@ -1,143 +1,116 @@
-// This optional code is used to register a service worker.
-// register() is not called by default.
-
-// This lets the app load faster on subsequent visits in production, and gives
-// it offline capabilities. However, it also means that developers (and users)
-// will only see deployed updates on subsequent visits to a page, after all the
-// existing tabs open on the page have been closed, since previously cached
-// resources are updated in the background.
-
-// To learn more about the benefits of this model and instructions on how to
-// opt-in, read https://bit.ly/CRA-PWA
+// Boilerplate SW added by create-react-app.
const isLocalhost = Boolean(
- window.location.hostname === 'localhost' ||
- // [::1] is the IPv6 localhost address.
- window.location.hostname === '[::1]' ||
- // 127.0.0.1/8 is considered localhost for IPv4.
- window.location.hostname.match(
- /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
- )
+ window.location.hostname === "localhost" ||
+ window.location.hostname === "[::1]" ||
+ window.location.hostname.match(
+ /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+ )
);
type Config = {
- onSuccess?: (registration: ServiceWorkerRegistration) => void;
- onUpdate?: (registration: ServiceWorkerRegistration) => void;
+ onSuccess?: (registration: ServiceWorkerRegistration) => void;
+ onUpdate?: (registration: ServiceWorkerRegistration) => void;
};
export function register(config?: Config) {
- if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
- // The URL constructor is available in all browsers that support SW.
- const publicUrl = new URL(
- (process as { env: { [key: string]: string } }).env.PUBLIC_URL,
- window.location.href
- );
- if (publicUrl.origin !== window.location.origin) {
- // Our service worker won't work if PUBLIC_URL is on a different origin
- // from what our page is served on. This might happen if a CDN is used to
- // serve assets; see https://github.com/facebook/create-react-app/issues/2374
- return;
- }
-
- window.addEventListener('load', () => {
- const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
-
- if (isLocalhost) {
- // This is running on localhost. Let's check if a service worker still exists or not.
- checkValidServiceWorker(swUrl, config);
-
- // Add some additional logging to localhost, pointing developers to the
- // service worker/PWA documentation.
- navigator.serviceWorker.ready.then(() => {
- console.log(
- 'This web app is being served cache-first by a service ' +
- 'worker. To learn more, visit https://bit.ly/CRA-PWA'
- );
+ if (process.env.NODE_ENV === "production" && "serviceWorker" in navigator) {
+ const publicUrl = new URL(
+ (process as { env: { [key: string]: string } }).env.PUBLIC_URL,
+ window.location.href
+ );
+ if (publicUrl.origin !== window.location.origin) {
+ // Our service worker won't work if PUBLIC_URL is on a different
+ // origin from what our page is served on. This might happen if a
+ // CDN is used to serve assets; see
+ // https://github.com/facebook/create-react-app/issues/2374
+ return;
+ }
+ window.addEventListener("load", () => {
+ const swUrl = `${process.env.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 an SW. " +
+ "To learn more, visit https://bit.ly/CRA-PWA"
+ );
+ });
+ } else registerValidSW(swUrl, config);
});
- } else {
- // Is not localhost. Just register service worker
- registerValidSW(swUrl, config);
- }
- });
- }
+ }
}
function registerValidSW(swUrl: string, config?: 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.'
- );
-
- // 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);
- }
- }
- }
- };
- };
- })
- .catch(error => {
- console.error('Error during service worker registration:', error);
- });
+ 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."
+ );
+ 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: string, config?: Config) {
- // Check if the service worker can be found. If it can't reload the page.
- fetch(swUrl)
- .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();
- });
+ // Check if the service worker can be found. If it can't reload the page.
+ fetch(swUrl)
+ .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();
- });
- }
+ if ("serviceWorker" in navigator) {
+ navigator.serviceWorker.ready.then((registration) => {
+ registration.unregister();
+ });
+ }
}