From a8ceddb9f0032673beb80074ba3fbe5f501ef6cf Mon Sep 17 00:00:00 2001
From: Jeremy Elbourn <jelbourn@google.com>
Date: Thu, 29 Jul 2021 09:47:56 -0700
Subject: [PATCH] refactor(material/list): use classList.toggle

With Angular dropping IE11 support in version 13, we can now use `classList.toggle` with the second `force` param. Related to #7374
---
 src/material/core/line/line.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/material/core/line/line.ts b/src/material/core/line/line.ts
index 89fd6eaa8756..b771f6e1eb18 100644
--- a/src/material/core/line/line.ts
+++ b/src/material/core/line/line.ts
@@ -50,8 +50,7 @@ export function setLines(lines: QueryList<unknown>, element: ElementRef<HTMLElem
 
 /** Adds or removes a class from an element. */
 function setClass(element: ElementRef<HTMLElement>, className: string, isAdd: boolean): void {
-  const classList = element.nativeElement.classList;
-  isAdd ? classList.add(className) : classList.remove(className);
+  element.nativeElement.classList.toggle(className, isAdd);
 }
 
 @NgModule({