From 4211e8b72568325c6076b9ccf37968799eafde82 Mon Sep 17 00:00:00 2001
From: Anish Karandikar <anishkny@gmail.com>
Date: Tue, 1 Dec 2020 16:01:54 -0800
Subject: [PATCH] feat(REPLICATE_ATTRIBUTES): Ensure tracked value has changed
 before updating

---
 src/rules/replicateAttributes.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/rules/replicateAttributes.ts b/src/rules/replicateAttributes.ts
index 4fb7e99..7dc8924 100644
--- a/src/rules/replicateAttributes.ts
+++ b/src/rules/replicateAttributes.ts
@@ -61,6 +61,7 @@ export function integrifyReplicateAttributes(
     .onUpdate((change, context) => {
       const masterId = context.params.masterId;
       const newValue = change.after.data();
+      const oldValue = change.before.data();
       console.log(
         `integrify: Detected update in [${rule.source.collection}], id [${masterId}], new value:`,
         newValue
@@ -77,7 +78,10 @@ export function integrifyReplicateAttributes(
       // Check if atleast one of the attributes to be replicated was changed
       let relevantUpdate = false;
       Object.keys(newValue).forEach((changedAttribute) => {
-        if (trackedMasterAttributes[changedAttribute]) {
+        if (
+          trackedMasterAttributes[changedAttribute] &&
+          newValue[changedAttribute] !== oldValue[changedAttribute]
+        ) {
           relevantUpdate = true;
         }
       });