refactor(material/list): use classList.toggle

jelbourn · andrewseguin · commit ac00c5ebc1ab · 2021-09-14T12:03:11.000-06:00
With Angular dropping IE11 support in version 13, we can now use `classList.toggle` with the second `force` param. Related to #7374
diff --git 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({

Original file line number	Diff line number	Diff line change
`@@ -50,8 +50,7 @@ export function setLines(lines: QueryList<unknown>, element: ElementRef<HTMLElem`
`50`	`50`
`51`	`51`	`/** Adds or removes a class from an element. */`
`52`	`52`	`function setClass(element: ElementRef<HTMLElement>, className: string, isAdd: boolean): void {`
`53`		`- const classList = element.nativeElement.classList;`
`54`		`- isAdd ? classList.add(className) : classList.remove(className);`
	`53`	`+ element.nativeElement.classList.toggle(className, isAdd);`
`55`	`54`	`}`
`56`	`55`
`57`	`56`	`@NgModule({`