From 1037e8415b258545e147a5d7af49ed18ae33bace Mon Sep 17 00:00:00 2001
From: Thomas Bouldin <inlined@google.com>
Date: Wed, 31 May 2023 15:47:49 -0700
Subject: [PATCH 1/3] rtdb.exists returns true for falsy values

---
 package.json                       | 10 +++++-----
 spec/v1/providers/database.spec.ts |  9 +++++++++
 src/common/providers/database.ts   |  2 +-
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/package.json b/package.json
index 545568045..3c554b06d 100644
--- a/package.json
+++ b/package.json
@@ -93,16 +93,16 @@
       "v1/pubsub": [
         "./lib/v1/providers/pubsub"
       ],
-      "/v1/remoteConfig": [
+      "v1/remoteConfig": [
         "./lib/v1/providers/remoteConfig"
       ],
-      "/v1/storage": [
+      "v1/storage": [
         "./lib/v1/providers/storage"
       ],
-      "/v1/tasks": [
+      "v1/tasks": [
         "./lib/v1/providers/tasks"
       ],
-      "/v1/testLab": [
+      "v1/testLab": [
         "./lib/v1/providers/testLab"
       ],
       "v2": [
@@ -243,4 +243,4 @@
   "engines": {
     "node": ">=14.10.0"
   }
-}
+}
\ No newline at end of file
diff --git a/spec/v1/providers/database.spec.ts b/spec/v1/providers/database.spec.ts
index 9651961dc..d25ec4983 100644
--- a/spec/v1/providers/database.spec.ts
+++ b/spec/v1/providers/database.spec.ts
@@ -580,6 +580,15 @@ describe("DataSnapshot", () => {
       populate({ a: [{}] });
       expect(subject.child("a").exists()).to.be.false;
     });
+
+    it("should be true for a falsy value (other than null)", () => {
+      populate({ num: 0, bool: false, n: null });
+      expect(subject.exists()).to.be.true;
+      expect(subject.child("num").exists()).to.be.true;
+      expect(subject.child("bool").exists()).to.be.true;
+      expect(subject.child("n").exists()).to.be.false;
+      expect(subject.child("missing").exists()).to.be.false;
+    })
   });
 
   describe("#forEach(action: (a: DataSnapshot) => boolean): boolean", () => {
diff --git a/src/common/providers/database.ts b/src/common/providers/database.ts
index e1da47c7d..96642ea52 100644
--- a/src/common/providers/database.ts
+++ b/src/common/providers/database.ts
@@ -162,7 +162,7 @@ export class DataSnapshot implements database.DataSnapshot {
    */
   exists(): boolean {
     const val = this.val();
-    if (!val || val === null) {
+    if (typeof val === "undefined" || val === null) {
       return false;
     }
     if (typeof val === "object" && Object.keys(val).length === 0) {

From 69035f54cee08820b9b8e79d335d31dcb0dc5e99 Mon Sep 17 00:00:00 2001
From: Daniel Lee <danielylee@google.com>
Date: Mon, 12 Jun 2023 12:07:42 -0700
Subject: [PATCH 2/3] Update package.json

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index d8b3095f7..faf1bacec 100644
--- a/package.json
+++ b/package.json
@@ -250,4 +250,4 @@
   "engines": {
     "node": ">=14.10.0"
   }
-}
\ No newline at end of file
+}

From 398942333413c68d34957559ecfa4fa9253a8834 Mon Sep 17 00:00:00 2001
From: Daniel Lee <danielylee@google.com>
Date: Mon, 12 Jun 2023 12:26:11 -0700
Subject: [PATCH 3/3] Update database.spec.ts

---
 spec/v1/providers/database.spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec/v1/providers/database.spec.ts b/spec/v1/providers/database.spec.ts
index d25ec4983..874b1de29 100644
--- a/spec/v1/providers/database.spec.ts
+++ b/spec/v1/providers/database.spec.ts
@@ -588,7 +588,7 @@ describe("DataSnapshot", () => {
       expect(subject.child("bool").exists()).to.be.true;
       expect(subject.child("n").exists()).to.be.false;
       expect(subject.child("missing").exists()).to.be.false;
-    })
+    });
   });
 
   describe("#forEach(action: (a: DataSnapshot) => boolean): boolean", () => {