fixup! refactor(cdk-experimental/ui-patterns): track list selection by value

wagnermaciel · wagnermaciel · commit 7fb25b57d90e · 2025-03-28T09:00:07.000-04:00
diff --git a/src/cdk-experimental/ui-patterns/behaviors/list-focus/list-focus.ts b/src/cdk-experimental/ui-patterns/behaviors/list-focus/list-focus.ts
@@ -34,13 +34,14 @@ export class ListFocus<T extends ListFocusItem> {
   }
 
   /** The id of the current active item. */
-  getActiveDescendant(): string | void {
+  getActiveDescendant(): string | undefined {
     if (this.inputs.focusMode() === 'roving') {
-      return;
+      return undefined;
     }
     if (this.navigation.inputs.items().length) {
       return this.navigation.inputs.items()[this.navigation.inputs.activeIndex()].id();
     }
+    return undefined;
   }
 
   /** The tabindex for the list. */

Original file line number	Diff line number	Diff line change
`@@ -34,13 +34,14 @@ export class ListFocus<T extends ListFocusItem> {`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`/** The id of the current active item. */`
`37`		`- getActiveDescendant(): string \| void {`
	`37`	`+ getActiveDescendant(): string \| undefined {`
`38`	`38`	`if (this.inputs.focusMode() === 'roving') {`
`39`		`- return;`
	`39`	`+ return undefined;`
`40`	`40`	`}`
`41`	`41`	`if (this.navigation.inputs.items().length) {`
`42`	`42`	`return this.navigation.inputs.items()[this.navigation.inputs.activeIndex()].id();`
`43`	`43`	`}`
	`44`	`+ return undefined;`
`44`	`45`	`}`
`45`	`46`
`46`	`47`	`/** The tabindex for the list. */`