fix(cdk/overlay): backdropClass type mismatch (#25487)

(cherry picked from commit f9113b9)
angular · Aug 18, 2022 · b9f09aa · b9f09aa
1 parent c6a03f1
commit b9f09aa
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/cdk/overlay/overlay-directives.ts b/src/cdk/overlay/overlay-directives.ts
@@ -163,7 +163,7 @@ export class CdkConnectedOverlay implements OnDestroy, OnChanges {
   @Input('cdkConnectedOverlayMinHeight') minHeight: number | string;
 
   /** The custom class to be set on the backdrop element. */
-  @Input('cdkConnectedOverlayBackdropClass') backdropClass: string;
+  @Input('cdkConnectedOverlayBackdropClass') backdropClass: string | string[];
 
   /** The custom class to add to the overlay pane element. */
   @Input('cdkConnectedOverlayPanelClass') panelClass: string | string[];

diff --git a/tools/public_api_guard/cdk/overlay.md b/tools/public_api_guard/cdk/overlay.md
@@ -62,7 +62,7 @@ function CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay: Overlay
 export class CdkConnectedOverlay implements OnDestroy, OnChanges {
     constructor(_overlay: Overlay, templateRef: TemplateRef<any>, viewContainerRef: ViewContainerRef, scrollStrategyFactory: any, _dir: Directionality);
     readonly attach: EventEmitter<void>;
-    backdropClass: string;
+    backdropClass: string | string[];
     readonly backdropClick: EventEmitter<MouseEvent>;
     readonly detach: EventEmitter<void>;
     get dir(): Direction;