Resolve issue with BrowserAnimationsModule import

src/lib-dev/tabs/module.ts

@@ -2,6 +2,7 @@ import { Component, NgModule, ViewEncapsulation } from '@angular/core';
 import { FormsModule, FormControl } from '@angular/forms';
 import { BrowserModule } from '@angular/platform-browser';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { Observable, Observer } from 'rxjs';
 
 import { McCheckboxModule } from '../../lib/checkbox';
@@ -83,6 +84,7 @@ export class TabsDemoComponent {
     ],
     imports: [
         BrowserModule,
+        BrowserAnimationsModule,
         McFormFieldModule,
         McIconModule,
         McCheckboxModule,

src/lib-dev/toggle/module.ts

@@ -3,6 +3,7 @@ import { Component, NgModule, ViewEncapsulation } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { BrowserModule } from '@angular/platform-browser';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 
 import { McButtonModule } from '../../lib/button/';
 import { McToggleModule } from '../../lib/toggle/';
@@ -31,6 +32,7 @@ export class DemoComponent {
     ],
     imports: [
         BrowserModule,
+        BrowserAnimationsModule,
         FormsModule,
         McToggleModule,
         McButtonModule

src/lib/tabs/tab-body.ts

@@ -47,51 +47,6 @@ export type McTabBodyPositionState =
  */
 export type McTabBodyOriginState = 'left' | 'right';
 
-/**
- * The portal host directive for the contents of the tab.
- * @docs-private
- */
-@Directive({
-    selector: '[mcTabBodyHost]'
-})
-export class McTabBodyPortal extends CdkPortalOutlet implements OnInit, OnDestroy {
-    /** Subscription to events for when the tab body begins centering. */
-    private centeringSub = Subscription.EMPTY;
-    /** Subscription to events for when the tab body finishes leaving from center position. */
-    private leavingSub = Subscription.EMPTY;
-
-    constructor(
-        componentFactoryResolver: ComponentFactoryResolver,
-        viewContainerRef: ViewContainerRef,
-        @Inject(forwardRef(() => McTabBody)) private host: McTabBody) {
-        super(componentFactoryResolver, viewContainerRef);
-    }
-
-    /** Set initial visibility or set up subscription for changing visibility. */
-    ngOnInit(): void {
-        super.ngOnInit();
-
-        this.centeringSub = this.host.beforeCentering
-            .pipe(startWith(this.host.isCenterPosition(this.host.bodyPosition)))
-            .subscribe((isCentering: boolean) => {
-                if (isCentering && !this.hasAttached()) {
-                    this.attach(this.host.content);
-                }
-            });
-
-        this.leavingSub = this.host.afterLeavingCenter.subscribe(() => {
-            this.detach();
-        });
-    }
-
-    /** Clean up centering subscription. */
-    ngOnDestroy(): void {
-        super.ngOnDestroy();
-        this.centeringSub.unsubscribe();
-        this.leavingSub.unsubscribe();
-    }
-}
-
 /**
  * Wrapper for the contents of a tab.
  * @docs-private
@@ -233,3 +188,48 @@ export class McTabBody implements OnInit, OnDestroy {
         return 'right-origin-center';
     }
 }
+
+/**
+ * The portal host directive for the contents of the tab.
+ * @docs-private
+ */
+@Directive({
+    selector: '[mcTabBodyHost]'
+})
+export class McTabBodyPortal extends CdkPortalOutlet implements OnInit, OnDestroy {
+    /** Subscription to events for when the tab body begins centering. */
+    private centeringSub = Subscription.EMPTY;
+    /** Subscription to events for when the tab body finishes leaving from center position. */
+    private leavingSub = Subscription.EMPTY;
+
+    constructor(
+        componentFactoryResolver: ComponentFactoryResolver,
+        viewContainerRef: ViewContainerRef,
+        @Inject(forwardRef(() => McTabBody)) private host: McTabBody) {
+        super(componentFactoryResolver, viewContainerRef);
+    }
+
+    /** Set initial visibility or set up subscription for changing visibility. */
+    ngOnInit(): void {
+        super.ngOnInit();
+
+        this.centeringSub = this.host.beforeCentering
+            .pipe(startWith(this.host.isCenterPosition(this.host.bodyPosition)))
+            .subscribe((isCentering: boolean) => {
+                if (isCentering && !this.hasAttached()) {
+                    this.attach(this.host.content);
+                }
+            });
+
+        this.leavingSub = this.host.afterLeavingCenter.subscribe(() => {
+            this.detach();
+        });
+    }
+
+    /** Clean up centering subscription. */
+    ngOnDestroy(): void {
+        super.ngOnDestroy();
+        this.centeringSub.unsubscribe();
+        this.leavingSub.unsubscribe();
+    }
+}

src/lib/tabs/tabs.module.ts

@@ -1,6 +1,5 @@
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
-import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { A11yModule } from '@ptsecurity/cdk/a11y';
 import { PortalModule } from '@ptsecurity/cdk/portal';
 import { McCommonModule } from '@ptsecurity/mosaic/core';
@@ -26,8 +25,7 @@ import { McTabLink, McTabNav } from './tab-nav-bar/tab-nav-bar';
         CommonModule,
         McCommonModule,
         PortalModule,
-        A11yModule,
-        BrowserAnimationsModule
+        A11yModule
     ],
     // Don't export all components because some are only to be used internally.
     exports: [

src/lib/toggle/toggle.component.spec.ts

@@ -4,6 +4,7 @@ import { Component, DebugElement, ViewChild } from '@angular/core';
 import { ComponentFixture, fakeAsync, TestBed, flush } from '@angular/core/testing';
 import { FormControl, FormsModule, NgModel, ReactiveFormsModule } from '@angular/forms';
 import { By } from '@angular/platform-browser';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 
 import { McToggleComponent, McToggleModule } from './index';
 
@@ -13,7 +14,7 @@ describe('McToggle', () => {
 
     beforeEach(fakeAsync(() => {
         TestBed.configureTestingModule({
-            imports: [McToggleModule, FormsModule, ReactiveFormsModule],
+            imports: [NoopAnimationsModule, McToggleModule, FormsModule, ReactiveFormsModule],
             declarations: [
                 SingleToggle,
                 ToggleWithFormDirectives,

src/lib/toggle/toggle.module.ts

@@ -1,14 +1,13 @@
 import { CommonModule } from '@angular/common';
 import { NgModule } from '@angular/core';
-import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { A11yModule } from '@ptsecurity/cdk/a11y';
 import { McCommonModule } from '@ptsecurity/mosaic/core';
 
 import { McToggleComponent } from './toggle.component';
 
 
 @NgModule({
-    imports: [CommonModule, BrowserAnimationsModule, A11yModule, McCommonModule],
+    imports: [CommonModule, A11yModule, McCommonModule],
     exports: [McToggleComponent],
     declarations: [McToggleComponent]
 })