From 791310ff4b0a828ca6d1f5c0fa03a110972afb1f Mon Sep 17 00:00:00 2001
From: Sebastian Schmidt <mrschmidt@google.com>
Date: Thu, 27 May 2021 12:18:44 -0600
Subject: [PATCH] fix: do not leak credentials in Firestore.toJSON() (#1522)

---
 dev/src/index.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dev/src/index.ts b/dev/src/index.ts
index 60cd32358..e143554e7 100644
--- a/dev/src/index.ts
+++ b/dev/src/index.ts
@@ -1312,6 +1312,16 @@ export class Firestore implements firestore.Firestore {
     return this._clientPool.terminate();
   }
 
+  /**
+   * Returns the Project ID to serve as the JSON representation of this
+   * Firestore instance.
+   *
+   * @return An object that contains the project ID (or `undefined` if not yet
+   * available).
+   */
+  toJSON(): object {
+    return {projectId: this._projectId};
+  }
   /**
    * Initializes the client if it is not already initialized. All methods in the
    * SDK can be used after this method completes.