Remove serviceworker
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2 changed files with 0 additions and 152 deletions
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@ -1,7 +1,6 @@
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import React from "react";
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import ReactDOM from "react-dom";
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import App from "./app";
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import * as serviceWorker from "./serviceWorker";
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ReactDOM.render(
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<React.StrictMode>
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@ -9,8 +8,3 @@ ReactDOM.render(
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</React.StrictMode>,
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document.getElementById("root"),
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);
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// If you want your app to work offline and load faster, you can change
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// unregister() to register() below. Note this comes with some pitfalls.
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// Learn more about service workers: https://bit.ly/CRA-PWA
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serviceWorker.unregister();
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@ -1,146 +0,0 @@
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// This optional code is used to register a service worker.
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// register() is not called by default.
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// This lets the app load faster on subsequent visits in production, and gives
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// it offline capabilities. However, it also means that developers (and users)
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// will only see deployed updates on subsequent visits to a page, after all the
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// existing tabs open on the page have been closed, since previously cached
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// resources are updated in the background.
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// To learn more about the benefits of this model and instructions on how to
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// opt-in, read https://bit.ly/CRA-PWA
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const isLocalhost = Boolean(
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window.location.hostname === "localhost" ||
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// [::1] is the IPv6 localhost address.
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window.location.hostname === "[::1]" ||
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// 127.0.0.0/8 are considered localhost for IPv4.
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window.location.hostname.match(
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/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/,
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),
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);
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type Config = {
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onSuccess?: (registration: ServiceWorkerRegistration) => void;
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onUpdate?: (registration: ServiceWorkerRegistration) => void;
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};
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export function register(config?: Config) {
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if (process.env.NODE_ENV === "production" && "serviceWorker" in navigator) {
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// The URL constructor is available in all browsers that support SW.
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const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
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if (publicUrl.origin !== window.location.origin) {
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// Our service worker won't work if PUBLIC_URL is on a different origin
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// from what our page is served on. This might happen if a CDN is used to
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// serve assets; see https://github.com/facebook/create-react-app/issues/2374
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return;
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}
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window.addEventListener("load", () => {
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const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
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if (isLocalhost) {
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// This is running on localhost. Let's check if a service worker still exists or not.
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checkValidServiceWorker(swUrl, config);
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// Add some additional logging to localhost, pointing developers to the
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// service worker/PWA documentation.
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navigator.serviceWorker.ready.then(() => {
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console.log(
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"This web app is being served cache-first by a service " +
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"worker. To learn more, visit https://bit.ly/CRA-PWA",
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);
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});
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} else {
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// Is not localhost. Just register service worker
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registerValidSW(swUrl, config);
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}
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});
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}
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}
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function registerValidSW(swUrl: string, config?: Config) {
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navigator.serviceWorker
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.register(swUrl)
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.then((registration) => {
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registration.onupdatefound = () => {
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const installingWorker = registration.installing;
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if (installingWorker == null) {
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return;
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}
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installingWorker.onstatechange = () => {
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if (installingWorker.state === "installed") {
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if (navigator.serviceWorker.controller) {
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// At this point, the updated precached content has been fetched,
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// but the previous service worker will still serve the older
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// content until all client tabs are closed.
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console.log(
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"New content is available and will be used when all " +
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"tabs for this page are closed. See https://bit.ly/CRA-PWA.",
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);
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// Execute callback
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if (config && config.onUpdate) {
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config.onUpdate(registration);
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}
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} else {
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// At this point, everything has been precached.
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// It's the perfect time to display a
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// "Content is cached for offline use." message.
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console.log("Content is cached for offline use.");
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// Execute callback
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if (config && config.onSuccess) {
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config.onSuccess(registration);
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}
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}
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}
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};
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};
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})
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.catch((error) => {
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console.error("Error during service worker registration:", error);
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});
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}
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function checkValidServiceWorker(swUrl: string, config?: Config) {
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// Check if the service worker can be found. If it can't reload the page.
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fetch(swUrl, {
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headers: { "Service-Worker": "script" },
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})
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.then((response) => {
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// Ensure service worker exists, and that we really are getting a JS file.
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const contentType = response.headers.get("content-type");
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if (
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response.status === 404 ||
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(contentType != null && contentType.indexOf("javascript") === -1)
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) {
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// No service worker found. Probably a different app. Reload the page.
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navigator.serviceWorker.ready.then((registration) => {
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registration.unregister().then(() => {
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window.location.reload();
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});
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});
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} else {
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// Service worker found. Proceed as normal.
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registerValidSW(swUrl, config);
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}
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})
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.catch(() => {
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console.log(
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"No internet connection found. App is running in offline mode.",
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);
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});
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}
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export function unregister() {
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if ("serviceWorker" in navigator) {
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navigator.serviceWorker.ready
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.then((registration) => {
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registration.unregister();
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})
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.catch((error) => {
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console.error(error.message);
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});
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}
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}
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