From ec963a5025e316774863f46a3a26fb9e3c44ff73 Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Sun, 21 May 2023 14:21:39 -0700
Subject: [PATCH] refactor(Cluster): cleanup

---
 src/cluster.ts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/cluster.ts b/src/cluster.ts
index 2684264c..5cbcb0ef 100644
--- a/src/cluster.ts
+++ b/src/cluster.ts
@@ -22,7 +22,7 @@ export interface ClusterOptions {
 }
 
 export class Cluster {
-  public marker: Marker;
+  public marker?: Marker;
   public readonly markers?: Marker[];
   protected _position: google.maps.LatLng;
 
@@ -40,12 +40,14 @@ export class Cluster {
 
   public get bounds(): google.maps.LatLngBounds | undefined {
     if (this.markers.length === 0 && !this._position) {
-      return undefined;
+      return;
     }
 
-    return this.markers.reduce((bounds, marker) => {
-      return bounds.extend(MarkerUtils.getPosition(marker));
-    }, new google.maps.LatLngBounds(this._position, this._position));
+    const bounds = new google.maps.LatLngBounds(this._position, this._position);
+    for (const marker of this.markers) {
+      bounds.extend(MarkerUtils.getPosition(marker));
+    }
+    return bounds;
   }
 
   public get position(): google.maps.LatLng {
@@ -72,7 +74,7 @@ export class Cluster {
   public delete(): void {
     if (this.marker) {
       MarkerUtils.setMap(this.marker, null);
-      delete this.marker;
+      this.marker = undefined;
     }
     this.markers.length = 0;
   }