From faab5ff083ea3a64a16331d6940174c0dfbce50a Mon Sep 17 00:00:00 2001
From: Aiden McClelland <me@drbonez.dev>
Date: Mon, 24 Jun 2024 10:43:10 -0600
Subject: [PATCH] don't send empty patches

---
 json-patch                 | 2 +-
 patch-db/src/patch.rs      | 4 ++++
 patch-db/src/subscriber.rs | 6 +++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/json-patch b/json-patch
index 2065db4..4f762cf 160000
--- a/json-patch
+++ b/json-patch
@@ -1 +1 @@
-Subproject commit 2065db49ff1a7123cb08fd61c2b98d59e64a54da
+Subproject commit 4f762cf7bc62fd84673314a1d2b0e93f4f4ca6a3
diff --git a/patch-db/src/patch.rs b/patch-db/src/patch.rs
index bfaef46..4d764fb 100644
--- a/patch-db/src/patch.rs
+++ b/patch-db/src/patch.rs
@@ -211,6 +211,10 @@ impl DiffPatch {
         }
         keys
     }
+
+    pub fn is_empty(&self) -> bool {
+        self.0.is_empty()
+    }
 }
 impl Default for DiffPatch {
     fn default() -> Self {
diff --git a/patch-db/src/subscriber.rs b/patch-db/src/subscriber.rs
index c30d802..f9aa9c2 100644
--- a/patch-db/src/subscriber.rs
+++ b/patch-db/src/subscriber.rs
@@ -7,7 +7,11 @@ use crate::Revision;
 struct ScopedSender(JsonPointer, mpsc::UnboundedSender<Revision>);
 impl ScopedSender {
     fn send(&self, revision: &Revision) -> Result<(), mpsc::error::SendError<Revision>> {
-        self.1.send(revision.for_path(&self.0))
+        let scoped = revision.for_path(&self.0);
+        if scoped.patch.is_empty() {
+            return Ok(());
+        }
+        self.1.send(scoped)
     }
 }