From 652b6afbd14150b6cc5df93a5117dc31de90b635 Mon Sep 17 00:00:00 2001
From: Anton Vorobev <avorobev@devexperts.com>
Date: Wed, 6 Dec 2023 16:24:02 +0300
Subject: [PATCH] enhancement: remove-unused-hover-data

---
 src/chart/inputhandlers/hover-producer.component.ts |  2 +-
 src/chart/model/compare-series-hover.ts             | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/chart/inputhandlers/hover-producer.component.ts b/src/chart/inputhandlers/hover-producer.component.ts
index 835c213f..f5cedcac 100644
--- a/src/chart/inputhandlers/hover-producer.component.ts
+++ b/src/chart/inputhandlers/hover-producer.component.ts
@@ -35,7 +35,7 @@ export interface HoverParts {
 
 export interface Hover extends BaseHover, HoverParts {}
 export interface HoverProducerPart<T = unknown> {
-	getData(hover: BaseHover): T;
+	getData(hover: BaseHover): T | undefined;
 }
 
 export interface HoverProducerParts {
diff --git a/src/chart/model/compare-series-hover.ts b/src/chart/model/compare-series-hover.ts
index babd3881..e8042bf3 100644
--- a/src/chart/model/compare-series-hover.ts
+++ b/src/chart/model/compare-series-hover.ts
@@ -5,6 +5,7 @@
  */
 import { ChartModel } from '../components/chart/chart.model';
 import { BaseHover, HoverProducerPart } from '../inputhandlers/hover-producer.component';
+import { MainCandleSeriesModel } from './main-candle-series.model';
 
 export interface CompareSeriesHover {
 	instrument: string;
@@ -21,7 +22,14 @@ export class CompareSeriesHoverProducerPart implements HoverProducerPart<Compare
 	 * @param {BaseHover} hover - The hover object containing the x-coordinate.
 	 * @returns {CompareSeriesHover[]} An array of objects containing the instrument symbol, price and id of each series of candles.
 	 */
-	getData(hover: BaseHover): CompareSeriesHover[] {
+	getData(hover: BaseHover): CompareSeriesHover[] | undefined {
+		if (
+			this.chartModel.candleSeries.length === 1 &&
+			this.chartModel.candleSeries[0] instanceof MainCandleSeriesModel
+		) {
+			return;
+		}
+
 		const { x } = hover;
 
 		const candle = this.chartModel.candleFromX(x);