From d8d3d2ce315792b0248ee3ec7b3d227eabaa079e Mon Sep 17 00:00:00 2001
From: Jakub Januchta <jakubjanuchta@MBP-Jakub.localdomain>
Date: Wed, 30 Aug 2023 11:57:43 +0200
Subject: [PATCH] Fixed #19616, breadcrumbs dissapeared when data updated in
 sunburst.

---
 .../breadcrumbs-in-treemap/demo.js            | 150 +++++++++---------
 ts/Series/Treemap/TreemapSeries.ts            |   6 +-
 2 files changed, 81 insertions(+), 75 deletions(-)

diff --git a/samples/unit-tests/breadcrumbs/breadcrumbs-in-treemap/demo.js b/samples/unit-tests/breadcrumbs/breadcrumbs-in-treemap/demo.js
index 177c5c0708a..fbafda67911 100644
--- a/samples/unit-tests/breadcrumbs/breadcrumbs-in-treemap/demo.js
+++ b/samples/unit-tests/breadcrumbs/breadcrumbs-in-treemap/demo.js
@@ -1,79 +1,80 @@
 QUnit.test('Breadcrumbs button', function (assert) {
-    const chart =  Highcharts.chart('container', {
-        navigation: {
-            breadcrumbs: {
-                buttonSpacing: 20
-            }
-        },
-        series: [{
-            breadcrumbs: {
-                showFullPath: false
-            },
-            type: 'treemap',
-            name: 'Store',
-            layoutAlgorithm: 'squarified',
-            allowDrillToNode: true,
-            dataLabels: {
-                enabled: false
+    const chartOptions = {
+            navigation: {
+                breadcrumbs: {
+                    buttonSpacing: 20
+                }
             },
-            levelIsConstant: false,
-            levels: [{
-                level: 1,
+            series: [{
+                breadcrumbs: {
+                    showFullPath: false
+                },
+                type: 'treemap',
+                name: 'Store',
+                layoutAlgorithm: 'squarified',
+                allowDrillToNode: true,
                 dataLabels: {
-                    enabled: true
+                    enabled: false
                 },
-                borderWidth: 1
-            }],
-            data: [{
-                id: '1',
-                name: 'Fruits',
-                value: 5
-            }, {
-                id: '2',
-                name: 'Vegetables',
-                value: 6
-            }, {
-                id: '3',
-                name: 'Meat',
-                value: 3
-            }, {
-                id: '1_1',
-                parent: '1',
-                name: 'Citrus',
-                value: 2
-            }, {
-                id: '1_2',
-                parent: '1',
-                name: 'Tropical',
-                value: 5
-            }, {
-                id: '1_3',
-                parent: '1',
-                name: 'Other',
-                value: 3
-            }, {
-                id: '1_1_1',
-                parent: '1_1',
-                name: 'Lemon',
-                value: 3
-            }, {
-                id: '1_1_2',
-                parent: '1_1',
-                name: 'Orange',
-                value: 3
-            }, {
-                id: '1_1_1_1',
-                parent: '1_1_1',
-                name: 'Type A',
-                value: 3
-            }, {
-                id: '1_1_1_1',
-                parent: '1_1_1',
-                name: 'Type B',
-                value: 4
+                levelIsConstant: false,
+                levels: [{
+                    level: 1,
+                    dataLabels: {
+                        enabled: true
+                    },
+                    borderWidth: 1
+                }],
+                data: [{
+                    id: '1',
+                    name: 'Fruits',
+                    value: 5
+                }, {
+                    id: '2',
+                    name: 'Vegetables',
+                    value: 6
+                }, {
+                    id: '3',
+                    name: 'Meat',
+                    value: 3
+                }, {
+                    id: '1_1',
+                    parent: '1',
+                    name: 'Citrus',
+                    value: 2
+                }, {
+                    id: '1_2',
+                    parent: '1',
+                    name: 'Tropical',
+                    value: 5
+                }, {
+                    id: '1_3',
+                    parent: '1',
+                    name: 'Other',
+                    value: 3
+                }, {
+                    id: '1_1_1',
+                    parent: '1_1',
+                    name: 'Lemon',
+                    value: 3
+                }, {
+                    id: '1_1_2',
+                    parent: '1_1',
+                    name: 'Orange',
+                    value: 3
+                }, {
+                    id: '1_1_1_1',
+                    parent: '1_1_1',
+                    name: 'Type A',
+                    value: 3
+                }, {
+                    id: '1_1_1_1',
+                    parent: '1_1_1',
+                    name: 'Type B',
+                    value: 4
+                }]
             }]
-        }]
-    });
+        },
+        chart =  Highcharts.chart('container', chartOptions);
     const series = chart.series[0];
     series.setRootNode('1_1_1');
     assert.ok(
@@ -87,6 +88,13 @@ QUnit.test('Breadcrumbs button', function (assert) {
         'Options from navigation should take effect'
     );
 
+    chart.update(chartOptions);
+
+    assert.ok(
+        chart.breadcrumbs.group.element,
+        'Breadcrumbs should not dissapear when chart.update is called (#19616).'
+    );
+
     chart.series[0].update({
         breadcrumbs: {
             showFullPath: true
diff --git a/ts/Series/Treemap/TreemapSeries.ts b/ts/Series/Treemap/TreemapSeries.ts
index 58fd6f6ff8e..6d4e28d2cc7 100644
--- a/ts/Series/Treemap/TreemapSeries.ts
+++ b/ts/Series/Treemap/TreemapSeries.ts
@@ -1405,11 +1405,9 @@ class TreemapSeries extends ScatterSeries {
                 addEvent(series, 'destroy',
                     function destroyEvents(e: any): void {
                         const chart = this.chart;
-                        if (chart.breadcrumbs) {
+                        if (chart.breadcrumbs && !e.keepEventsForUpdate) {
                             chart.breadcrumbs.destroy();
-                            if (!e.keepEventsForUpdate) {
-                                chart.breadcrumbs = void 0;
-                            }
+                            chart.breadcrumbs = void 0;
                         }
                     }
                 )