From 3ee01128656ffeee1ca2bf7ee124dad37922c416 Mon Sep 17 00:00:00 2001
From: Wagner Maciel <wagnermaciel@google.com>
Date: Fri, 23 Dec 2022 15:47:06 +0000
Subject: [PATCH] fix(material/slider): avoid updating tick marks unnecessarily

---
 src/material/slider/slider.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/material/slider/slider.ts b/src/material/slider/slider.ts
index 56c6d7d229dc..bc5134325249 100644
--- a/src/material/slider/slider.ts
+++ b/src/material/slider/slider.ts
@@ -797,7 +797,7 @@ export class MatSlider
 
   /** Updates the width of the tick mark track. */
   private _updateTickMarkTrackUI(): void {
-    if (this._skipUpdate()) {
+    if (!this.showTickMarks || this._skipUpdate()) {
       return;
     }
 
@@ -883,7 +883,12 @@ export class MatSlider
 
   /** Updates the dots along the slider track. */
   _updateTickMarkUI(): void {
-    if (this.step === undefined || this.min === undefined || this.max === undefined) {
+    if (
+      !this.showTickMarks ||
+      this.step === undefined ||
+      this.min === undefined ||
+      this.max === undefined
+    ) {
       return;
     }
     const step = this.step > 0 ? this.step : 1;