From 9703957e13050c400b765fb46d3d20021d42329f Mon Sep 17 00:00:00 2001
From: KenTandrian <kenricktan11@gmail.com>
Date: Wed, 4 Feb 2026 00:39:26 +0700
Subject: [PATCH] fix(lint): implement nullish coalescing operator

---
 libs/ui/src/lib/line-chart/line-chart.component.ts    | 11 ++++-------
 .../portfolio-proportion-chart.component.ts           |  7 ++-----
 .../src/lib/treemap-chart/treemap-chart.component.ts  |  7 ++-----
 3 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/libs/ui/src/lib/line-chart/line-chart.component.ts b/libs/ui/src/lib/line-chart/line-chart.component.ts
index 0454050c1..926f32896 100644
--- a/libs/ui/src/lib/line-chart/line-chart.component.ts
+++ b/libs/ui/src/lib/line-chart/line-chart.component.ts
@@ -175,16 +175,13 @@ export class GfLineChartComponent
 
       if (this.chart) {
         this.chart.data = data;
-
-        if (!this.chart.options.plugins) {
-          this.chart.options.plugins = {};
-        }
-
-        this.chart.options.plugins.tooltip =
-          this.getTooltipPluginConfiguration();
         this.chart.options.animations = this.isAnimated
           ? animations
           : undefined;
+        this.chart.options.plugins ??= {};
+        this.chart.options.plugins.tooltip =
+          this.getTooltipPluginConfiguration();
+
         this.chart.update();
       } else {
         this.chart = new Chart(this.chartCanvas.nativeElement, {
diff --git a/libs/ui/src/lib/portfolio-proportion-chart/portfolio-proportion-chart.component.ts b/libs/ui/src/lib/portfolio-proportion-chart/portfolio-proportion-chart.component.ts
index 080847c2f..fa50f1b51 100644
--- a/libs/ui/src/lib/portfolio-proportion-chart/portfolio-proportion-chart.component.ts
+++ b/libs/ui/src/lib/portfolio-proportion-chart/portfolio-proportion-chart.component.ts
@@ -343,13 +343,10 @@ export class GfPortfolioProportionChartComponent
     if (this.chartCanvas) {
       if (this.chart) {
         this.chart.data = data;
-
-        if (!this.chart.options.plugins) {
-          this.chart.options.plugins = {};
-        }
-
+        this.chart.options.plugins ??= {};
         this.chart.options.plugins.tooltip =
           this.getTooltipPluginConfiguration(data);
+
         this.chart.update();
       } else {
         this.chart = new Chart<'doughnut'>(this.chartCanvas.nativeElement, {
diff --git a/libs/ui/src/lib/treemap-chart/treemap-chart.component.ts b/libs/ui/src/lib/treemap-chart/treemap-chart.component.ts
index b4b7cd22a..a25ab3f8d 100644
--- a/libs/ui/src/lib/treemap-chart/treemap-chart.component.ts
+++ b/libs/ui/src/lib/treemap-chart/treemap-chart.component.ts
@@ -298,13 +298,10 @@ export class GfTreemapChartComponent
     if (this.chartCanvas) {
       if (this.chart) {
         this.chart.data = data;
-
-        if (!this.chart.options.plugins) {
-          this.chart.options.plugins = {};
-        }
-
+        this.chart.options.plugins ??= {};
         this.chart.options.plugins.tooltip =
           this.getTooltipPluginConfiguration();
+
         this.chart.update();
       } else {
         this.chart = new Chart<'treemap'>(this.chartCanvas.nativeElement, {