From 76ae3d9fc73462c47d7d8d4cc29df16b5b4a9fcd Mon Sep 17 00:00:00 2001
From: Rich Hodgkins <rich@bookcreator.com>
Date: Wed, 22 Apr 2020 13:58:20 +0100
Subject: [PATCH] Allow no return value for action from DataSnapshot.forEach

This is to match the Admin SDK:

https://github.com/firebase/firebase-js-sdk/blob/37b98e9271c494a0fb58ca1960f8fcfaec49ade9/packages/database/src/api/DataSnapshot.ts#L137
---
 src/providers/database.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/providers/database.ts b/src/providers/database.ts
index e648be20e..78614a152 100644
--- a/src/providers/database.ts
+++ b/src/providers/database.ts
@@ -476,7 +476,7 @@ export class DataSnapshot {
    * @return `true` if enumeration was canceled due to your callback
    *   returning `true`.
    */
-  forEach(action: (a: DataSnapshot) => boolean): boolean {
+  forEach(action: (a: DataSnapshot) => boolean | void): boolean {
     const val = this.val();
     if (_.isPlainObject(val)) {
       return _.some(