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add brace-style to general rules, phetsims/phet-info#156
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@zepumph
zepumph committed Feb 26, 2021
1 parent 578f56f commit 5402290
Showing 1 changed file with 56 additions and 53 deletions.
109 changes: 56 additions & 53 deletions react-binder/src/serviceWorker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,124 +12,127 @@

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}$/
)
// [::1] is the IPv6 localhost address.
window.location.hostname === '[::1]' ||
// 127.0.0.1/8 is considered localhost for IPv4.
window.location.hostname.match(
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
)
);

export function register(config) {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
export function register( 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.env.PUBLIC_URL, window.location.href);
if (publicUrl.origin !== window.location.origin) {
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', () => {
window.addEventListener( 'load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;

if (isLocalhost) {
if ( isLocalhost ) {
// This is running on localhost. Let's check if a service worker still exists or not.
checkValidServiceWorker(swUrl, config);
checkValidServiceWorker( swUrl, config );

// Add some additional logging to localhost, pointing developers to the
// service worker/PWA documentation.
navigator.serviceWorker.ready.then(() => {
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'
'worker. To learn more, visit https://bit.ly/CRA-PWA'
);
});
} else {
} );
}
else {
// Is not localhost. Just register service worker
registerValidSW(swUrl, config);
registerValidSW( swUrl, config );
}
});
} );
}
}

function registerValidSW(swUrl, config) {
function registerValidSW( swUrl, config ) {
navigator.serviceWorker
.register(swUrl)
.then(registration => {
.register( swUrl )
.then( registration => {
registration.onupdatefound = () => {
const installingWorker = registration.installing;
if (installingWorker == null) {
if ( installingWorker == null ) {
return;
}
installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) {
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.'
'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
);

// Execute callback
if (config && config.onUpdate) {
config.onUpdate(registration);
if ( config && config.onUpdate ) {
config.onUpdate( registration );
}
} else {
}
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.');
console.log( 'Content is cached for offline use.' );

// Execute callback
if (config && config.onSuccess) {
config.onSuccess(registration);
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) {
function checkValidServiceWorker( swUrl, config ) {
// Check if the service worker can be found. If it can't reload the page.
fetch(swUrl)
.then(response => {
fetch( swUrl )
.then( response => {
// Ensure service worker exists, and that we really are getting a JS file.
const contentType = response.headers.get('content-type');
const contentType = response.headers.get( 'content-type' );
if (
response.status === 404 ||
(contentType != null && contentType.indexOf('javascript') === -1)
( 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(() => {
navigator.serviceWorker.ready.then( registration => {
registration.unregister().then( () => {
window.location.reload();
});
});
} else {
} );
} );
}
else {
// Service worker found. Proceed as normal.
registerValidSW(swUrl, config);
registerValidSW( swUrl, config );
}
})
.catch(() => {
} )
.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 => {
if ( 'serviceWorker' in navigator ) {
navigator.serviceWorker.ready.then( registration => {
registration.unregister();
});
} );
}
}

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