Changed flow to also use FirebaseError

Author: lucacasonato

database/index.js.flow

@@ -1,28 +1,29 @@
 // @flow
+import type { FirebaseError } from 'firebase';
 import type { DataSnapshot, Query } from 'firebase/database';
 
 export type ListHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value: DataSnapshot[],
 };
 export type ListKeysHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value: string[],
 };
 export type ListValsHook<T> = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value: T[],
 };
 export type ObjectHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: DataSnapshot,
 };
 export type ObjectValHook<T> = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: T,
 };

firestore/index.js.flow

@@ -1,4 +1,5 @@
 // @flow
+import type { FirebaseError } from 'firebase';
 import type {
   DocumentReference,
   DocumentSnapshot,
@@ -9,22 +10,22 @@ import type {
 } from 'firebase/firestore';
 
 export type CollectionHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: QuerySnapshot,
 };
 export type CollectionDataHook<T> = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: T,
 };
 export type DocumentHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: DocumentSnapshot,
 };
 export type DocumentDataHook<T> = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: T,
 };

storage/index.js.flow

@@ -1,8 +1,9 @@
 // @flow
+import type { FirebaseError } from 'firebase';
 import type { Reference } from 'firebase/storage';
 
 export type DownloadURLHook = {
-  error?: Error,
+  error?: FirebaseError,
   loading: boolean,
   value?: string,
 };