From 716b7873be83456c2d27cbe27753a49034ab1131 Mon Sep 17 00:00:00 2001
From: Michael-James Parsons
 <2666285+MichaelJamesParsons@users.noreply.github.com>
Date: Mon, 8 Jun 2020 11:46:30 -0700
Subject: [PATCH] refactor: assert value for RxJS v7 compatibility

---
 src/cdk/scrolling/scrollable.ts                | 2 +-
 src/cdk/scrolling/virtual-for-of.ts            | 2 +-
 src/material/snack-bar/snack-bar-container.ts  | 4 ++--
 src/material/tooltip/tooltip.ts                | 2 +-
 tools/public_api_guard/material/snack-bar.d.ts | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/cdk/scrolling/scrollable.ts b/src/cdk/scrolling/scrollable.ts
index ba104d5a2987..c9b33029ef2b 100644
--- a/src/cdk/scrolling/scrollable.ts
+++ b/src/cdk/scrolling/scrollable.ts
@@ -45,7 +45,7 @@ export type ExtendedScrollToOptions = _XAxis & _YAxis & ScrollOptions;
   selector: '[cdk-scrollable], [cdkScrollable]'
 })
 export class CdkScrollable implements OnInit, OnDestroy {
-  private _destroyed = new Subject();
+  private _destroyed = new Subject<void>();
 
   private _elementScrolled: Observable<Event> = new Observable((observer: Observer<Event>) =>
       this.ngZone.runOutsideAngular(() =>
diff --git a/src/cdk/scrolling/virtual-for-of.ts b/src/cdk/scrolling/virtual-for-of.ts
index d4f80a50d6c7..1228430f953f 100644
--- a/src/cdk/scrolling/virtual-for-of.ts
+++ b/src/cdk/scrolling/virtual-for-of.ts
@@ -240,7 +240,7 @@ export class CdkVirtualForOf<T> implements CollectionViewer, DoCheck, OnDestroy
   ngOnDestroy() {
     this._viewport.detach();
 
-    this._dataSourceChanges.next();
+    this._dataSourceChanges.next(undefined!);
     this._dataSourceChanges.complete();
     this.viewChange.complete();
 
diff --git a/src/material/snack-bar/snack-bar-container.ts b/src/material/snack-bar/snack-bar-container.ts
index 6913ba1280a7..81274fa0fc17 100644
--- a/src/material/snack-bar/snack-bar-container.ts
+++ b/src/material/snack-bar/snack-bar-container.ts
@@ -62,10 +62,10 @@ export class MatSnackBarContainer extends BasePortalOutlet implements OnDestroy
   @ViewChild(CdkPortalOutlet, {static: true}) _portalOutlet: CdkPortalOutlet;
 
   /** Subject for notifying that the snack bar has exited from view. */
-  readonly _onExit: Subject<any> = new Subject();
+  readonly _onExit: Subject<void> = new Subject();
 
   /** Subject for notifying that the snack bar has finished entering the view. */
-  readonly _onEnter: Subject<any> = new Subject();
+  readonly _onEnter: Subject<void> = new Subject();
 
   /** The state of the snack bar animations. */
   _animationState = 'void';
diff --git a/src/material/tooltip/tooltip.ts b/src/material/tooltip/tooltip.ts
index a5409b3fbb2d..7c61aeb12f73 100644
--- a/src/material/tooltip/tooltip.ts
+++ b/src/material/tooltip/tooltip.ts
@@ -641,7 +641,7 @@ export class TooltipComponent implements OnDestroy {
   private _closeOnInteraction: boolean = false;
 
   /** Subject for notifying that the tooltip has been hidden from the view */
-  private readonly _onHide: Subject<any> = new Subject();
+  private readonly _onHide: Subject<void> = new Subject();
 
   /** Stream that emits whether the user has a handset-sized display.  */
   _isHandset: Observable<BreakpointState> = this._breakpointObserver.observe(Breakpoints.Handset);
diff --git a/tools/public_api_guard/material/snack-bar.d.ts b/tools/public_api_guard/material/snack-bar.d.ts
index d19eeaf999e7..155cc9e038ca 100644
--- a/tools/public_api_guard/material/snack-bar.d.ts
+++ b/tools/public_api_guard/material/snack-bar.d.ts
@@ -35,8 +35,8 @@ export declare class MatSnackBarConfig<D = any> {
 
 export declare class MatSnackBarContainer extends BasePortalOutlet implements OnDestroy {
     _animationState: string;
-    readonly _onEnter: Subject<any>;
-    readonly _onExit: Subject<any>;
+    readonly _onEnter: Subject<void>;
+    readonly _onExit: Subject<void>;
     _portalOutlet: CdkPortalOutlet;
     _role: 'alert' | 'status' | null;
     attachDomPortal: (portal: DomPortal) => void;