From 67d4ede37159faaeb3b6027cd2c832e037b527c9 Mon Sep 17 00:00:00 2001
From: Anderson Veiga <andersonveiga@me.com>
Date: Tue, 13 Mar 2018 16:55:38 +0100
Subject: [PATCH] Remove event listeners (#459)

* Remove event listeners before removing DOM elements to prevent events from firing when DOM element is not present

* ESLint fix
---
 src/Map.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Map.js b/src/Map.js
index 112c0e56..6f35ea65 100644
--- a/src/Map.js
+++ b/src/Map.js
@@ -336,6 +336,10 @@ export default class Map extends MapComponent<LeafletElement, Props> {
 
   componentWillUnmount() {
     super.componentWillUnmount()
+
+    this.leafletElement.off('move', this.onViewportChange)
+    this.leafletElement.off('moveend', this.onViewportChanged)
+
     // The canvas renderer uses requestAnimationFrame, making a deferred call to a deleted object
     // When preferCanvas is set, use simpler teardown logic
     if (this.props.preferCanvas === true) {