From 01ab46ee3bf76a9e656f78896b39aec4627b01a1 Mon Sep 17 00:00:00 2001
From: Forrest Li <forrest.li@kitware.com>
Date: Wed, 7 Jul 2021 15:16:02 -0400
Subject: [PATCH] fix(ShareDataSet): Stop data listener on unmount

The trivial producer listener should be removed when the component is
unmounted.
---
 src/core/ShareDataSet.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/core/ShareDataSet.js b/src/core/ShareDataSet.js
index acfcabf..e2db075 100644
--- a/src/core/ShareDataSet.js
+++ b/src/core/ShareDataSet.js
@@ -46,6 +46,13 @@ export default class ShareDataSet extends Component {
     return trivialProducer;
   }
 
+  componentWillUnmount() {
+    if (this.subscription) {
+      this.subscription.unsubscribe();
+      this.subscription = null;
+    }
+  }
+
   render() {
     this.update();
     return (