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authorGravatar Hassan Abouelela <[email protected]>2021-01-03 05:47:07 +0300
committerGravatar Hassan Abouelela <[email protected]>2021-01-03 05:47:07 +0300
commitd664ddc9b84b25922239e3bbc253b35ea54f2533 (patch)
treef1892f7e9b0880826b28a503aea312a97b0ea3a2 /src/serviceWorker.ts
parentAdds EsLint (diff)
Fixes Preexisting Linting Issues
Fixes all errors, and most warnings generated by eslint. Most were fixed by eslint automatically such as indentation and quotes. Signed-off-by: Hassan Abouelela <[email protected]>
Diffstat (limited to 'src/serviceWorker.ts')
-rw-r--r--src/serviceWorker.ts216
1 files changed, 108 insertions, 108 deletions
diff --git a/src/serviceWorker.ts b/src/serviceWorker.ts
index 2b4d2b5..600d89d 100644
--- a/src/serviceWorker.ts
+++ b/src/serviceWorker.ts
@@ -1,10 +1,10 @@
const isLocalhost = Boolean(
- window.location.hostname === 'localhost' ||
+ window.location.hostname === "localhost" ||
// [::1] is the IPv6 localhost address.
- window.location.hostname === '[::1]' ||
+ 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}$/
+ /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
)
);
@@ -13,125 +13,125 @@ type Config = {
onUpdate?: (registration: ServiceWorkerRegistration) => void;
};
-export function register(config?: Config) {
- if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+export function register(config?: Config): void {
+ 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.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;
- }
+ const publicUrl = new URL(
+ process.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 = `${process.env.PUBLIC_URL}/service-worker.js`;
+ window.addEventListener("load", () => {
+ const swUrl = `${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);
+ 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'
- );
+ // 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"
+ );
+ });
+ } else {
+ // Is not localhost. Just register service worker
+ 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.'
- );
+ 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);
- }
- }
- }
- };
- };
- })
- .catch(error => {
- console.error('Error during service worker registration:', error);
- });
+ // Execute callback
+ 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, {
- 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();
- });
- });
- } else {
- // Service worker found. Proceed as normal.
- registerValidSW(swUrl, config);
- }
+ // Check if the service worker can be found. If it can't reload the page.
+ fetch(swUrl, {
+ headers: { "Service-Worker": "script" }
})
- .catch(() => {
- console.log(
- 'No internet connection found. App is running in offline mode.'
- );
- });
+ .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."
+ );
+ });
}
-export function unregister() {
- if ('serviceWorker' in navigator) {
- navigator.serviceWorker.ready
- .then(registration => {
- registration.unregister();
- })
- .catch(error => {
- console.error(error.message);
- });
- }
+export function unregister(): void {
+ if ("serviceWorker" in navigator) {
+ navigator.serviceWorker.ready
+ .then(registration => {
+ registration.unregister();
+ })
+ .catch(error => {
+ console.error(error.message);
+ });
+ }
}