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How to add push notifications to React Web app with Firebase

https://www.freecodecamp.org/news/how-to-add-push-notifications-to-a-web-app-with-firebase-528a702e13e1/

ReactDOM.render(
<ThemeProvider theme={theme}>
{/* CssBaseline kickstart an elegant, consistent, and simple baseline to build upon. */}
<CssBaseline />
<AppContextProvider>
<App />
</AppContextProvider>
</ThemeProvider>,
document.querySelector('#root')
)

initializeFirebase()




push-notification.ts
import firebase from 'firebase'

export const initializeFirebase = () => {
if ('serviceWorker' in navigator) {
navigator.serviceWorker
.register('./firebase-messaging-sw.js')
.then(function (registration) {
console.log('Registration successful, scope is:', registration.scope)
})
.catch(function (err) {
console.log('Service worker registration failed, error:', err)
})
}
}

export const askForPermissioToReceiveNotifications = async () => {
try {
const messaging = firebase.messaging()
await messaging.requestPermission()
const token = await messaging.getToken()
console.log('registrationToken:', token)
return token
} catch (error) {
console.error(error)
}
}

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