Sett anonymous user to be delete when login in

Firestore-rules.json

@@ -0,0 +1,14 @@
+rules_version = '2';
+service cloud.firestore {
+  match /databases/{database}/documents {
+      match /users/{Id=**} {
+    	// users:
+      //   - Authenticated user can read
+      //   - Authenticated user can create
+      //   - updates
+			//   
+    allow read: if request.auth.uid != null;
+    allow write: if request.auth.uid != null;
+    }
+  }
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "greta-thunberg-fff",
-  "version": "1.0.9",
+  "version": "1.1.0",
   "private": true,
   "main": "index.js",
   "module": "dist/index.js",

src/components/profile/LinkAccounts.jsx

@@ -55,6 +55,7 @@ class LoginManagementBase extends Component {
 			.then(this.fetchSignInMethods)
 			.catch(error => {
 				if (error.code === 'auth/credential-already-in-use') {
+					const anonUser = firebase.auth.currentUser;
 					firebase.auth
 						.signInWithCredential(error.credential)
 						.then(res => {
@@ -64,6 +65,16 @@ class LoginManagementBase extends Component {
 								firebase.doLogEvent(`signInWithCredential to Firestore for: ${res.credential.providerId}`);
 							}
 							changeUserRole();
+							// remove the anonUser TODO implications?
+							anonUser
+								.delete()
+								.then(() => {
+									firebase.doLogEvent(`Deleted anonUser when signing in`);
+								})
+								.catch(err => {
+									firebase.doLogEvent(`Error deleted anonUser when signing in: ${err}`);
+									firebase.doLogEvent(`Manually remove anon account: ${anonUser.uid}`);
+								});
 						})
 						.catch(err => {
 							this.setState(err.message);