From 80a3668aa955bccb7c33a55a9bd17ce2c475eb2e Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Tue, 18 Apr 2023 20:32:18 +0200
Subject: [PATCH] Bugfix/fix world map chart component (#1871)

* Clone countries before manipulation

* Update changelog
---
 CHANGELOG.md                                                   | 1 +
 .../components/world-map-chart/world-map-chart.component.ts    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e02ae487..d3194d6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue in the global heat map component caused by manipulating an input property
 - Fixed an issue with the currency inconsistency in the _EOD Historical Data_ service (convert from `GBX` to `GBp`)
 
 ## 1.256.0 - 2023-04-17
diff --git a/apps/client/src/app/components/world-map-chart/world-map-chart.component.ts b/apps/client/src/app/components/world-map-chart/world-map-chart.component.ts
index 9d7c61d6..62774edf 100644
--- a/apps/client/src/app/components/world-map-chart/world-map-chart.component.ts
+++ b/apps/client/src/app/components/world-map-chart/world-map-chart.component.ts
@@ -30,6 +30,9 @@ export class WorldMapChartComponent implements OnChanges, OnDestroy, OnInit {
   public ngOnInit() {}
 
   public ngOnChanges() {
+    // Create a copy before manipulating countries object
+    this.countries = structuredClone(this.countries);
+
     if (this.countries) {
       this.isLoading = true;