tips for react-native-firebase

2. • Leverages
•
• teratail
• K Kubernetes
•

3. 🎉

4.
https://github.com/invertase/react-native-firebase/tree/v5.x.x

6.
https://github.com/invertase/react-native-firebase/tree/v5.x.x

8. https://firebase.google.com/docs/auth/?hl=ja

9. firebase.auth().onAuthStateChanged(_user => {
if(_user) {
// login
} else {
// logout
}
})
eventListener

10. import { AccessToken, LoginManager, LoginResult } from 'react-native-fbsdk'
import firebase from 'react-native-firebase'
const getFacebookCredential = async () => {
try {
const login: LoginResult = await LoginManager.logInWithReadPermissions(
[
'public_profile',
'email'
]
)
if (login.isCancelled) { return false }
const result = await AccessToken.getCurrentAccessToken();
if (!result) { throw new Error('Something went wrong obtaining the users access
token') }
return firebase.auth.FacebookAuthProvider.credential(result.accessToken)
} catch (error) {
console.log(error)
return false
}
}
WebAuth OAuth

11. const login = async (credential) => {
try {
const result = await
firebase.auth().signInWithCredential(credential)
return result
} catch (error) {
console.log(error)
}
}
signInWithCredential
AuthListener

14. const linkCredential = async (callback) => {
const credential = await getFacebookCredential()
if (credential) {
const currentUser = firebase.auth().currentUser
if (currentUser) {
const result = await
currentUser.linkWithCredential(credential)
return result
}
}
}

18. https://facebook.github.io/react-native/docs/linking.html

19. https://firebase.google.com/docs/dynamic-links/ios/receive?hl=ja

20. https://rnfirebase.io/docs/v5.x.x/links/ios

22. loginUser.sendEmailVerification({
url: `${DEEP_LINK}`,
iOS : {
bundleId: bundleIdentifier,
},
android: {
packageName: ‘appName’,
},
handleCodeInApp: true,
})

23. firebase.links().onLink(url => {
if(url){
const isLoginUrl = url.includes(DEEP_LINK)
const canOpen = Linking.canOpenURL(url)
if (canOpen && isLoginUrl) {
Linking.openURL(url)
}
}
})

28. admin.firestore().collection(`users`)
.where('status', '==', 'login').orderBy('updatedAt','desc').limit(20);