fix(module:modal): modal cannot close after the host view destroyed

components/core/config/config.ts

@@ -170,6 +170,7 @@ export interface MessageConfig {
 export interface ModalConfig {
   nzMask?: boolean;
   nzMaskClosable?: boolean;
+  nzCloseOnNavigation?: boolean;
 }
 
 export interface NotificationConfig extends MessageConfig {

components/modal/doc/index.en-US.md

@@ -42,6 +42,7 @@ The dialog is currently divided into 2 modes, `normal mode` and `confirm box mod
 | nzKeyboard        | Whether support press esc to close | `boolean` | `true` |
 | nzMask            | Whether show mask or not. | `boolean` | `true` | ✅ |
 | nzMaskClosable    | Whether to close the modal dialog when the mask (area outside the modal) is clicked | `boolean` | `true` | ✅ |
+| nzCloseOnNavigation    | Whether to close the modal when the navigation history changes | `boolean` | `true` | ✅ |
 | nzMaskStyle       | Style for modal's mask element. | `object` | - |
 | nzOkText          | Text of the OK button. <i>Set to null to show no ok button (this value is invalid if the nzFooter parameter is used in normal mode)</i> | `string` | OK |
 | nzOkType          | Button type of the OK button. <i>Consistent with the type of the `nz-button`.</i> | `string` | primary |

components/modal/doc/index.zh-CN.md

@@ -43,6 +43,7 @@ import { NzModalModule } from 'ng-zorro-antd/modal';
 | nzKeyboard        | 是否支持键盘esc关闭 | `boolean` | `true` |
 | nzMask            | 是否展示遮罩 | `boolean` | `true` | ✅ |
 | nzMaskClosable    | 点击蒙层是否允许关闭 | `boolean` | `true` | ✅ |
+| nzCloseOnNavigation    | 导航历史变化时是否关闭模态框 | `boolean` | `true` | ✅ |
 | nzMaskStyle       | 遮罩样式 | `object` | - |
 | nzOkText          | 确认按钮文字。<i>设为 null 表示不显示确认按钮（若在普通模式下使用了 nzFooter 参数，则该值无效）</i> | `string` | 确定 |
 | nzOkType          | 确认按钮类型。<i>与button的type类型值一致</i> | `string` | primary |

components/modal/modal-container.ts

@@ -10,7 +10,7 @@ import { AnimationEvent } from '@angular/animations';
 import { FocusTrap, FocusTrapFactory } from '@angular/cdk/a11y';
 import { OverlayRef } from '@angular/cdk/overlay';
 import { BasePortalOutlet, CdkPortalOutlet, ComponentPortal, TemplatePortal } from '@angular/cdk/portal';
-import { ChangeDetectorRef, ComponentRef, ElementRef, EmbeddedViewRef, EventEmitter, NgZone, Renderer2 } from '@angular/core';
+import { ChangeDetectorRef, ComponentRef, ElementRef, EmbeddedViewRef, EventEmitter, NgZone, OnDestroy, Renderer2 } from '@angular/core';
 import { NzSafeAny } from 'ng-zorro-antd/core/types';
 import { getElementOffset } from 'ng-zorro-antd/core/util';
 import { FADE_CLASS_NAME_MAP, MODAL_MASK_CLASS_NAME, ZOOM_CLASS_NAME_MAP } from './modal-config';
@@ -22,14 +22,15 @@ export function throwNzModalContentAlreadyAttachedError(): never {
   throw Error('Attempting to attach modal content after content is already attached');
 }
 
-export class BaseModalContainer extends BasePortalOutlet {
+export class BaseModalContainer extends BasePortalOutlet implements OnDestroy {
   portalOutlet!: CdkPortalOutlet;
   modalElementRef!: ElementRef<HTMLDivElement>;
 
   animationStateChanged = new EventEmitter<AnimationEvent>();
   containerClick = new EventEmitter<void>();
   cancelTriggered = new EventEmitter<void>();
   okTriggered = new EventEmitter<void>();
+  onDestroy = new EventEmitter<void>();
 
   state: 'void' | 'enter' | 'exit' = 'enter';
   document: Document;
@@ -57,6 +58,10 @@ export class BaseModalContainer extends BasePortalOutlet {
     this.setContainer();
   }
 
+  ngOnDestroy(): void {
+    this.onDestroy.emit();
+  }
+
   onMousedown(e: MouseEvent): void {
     this.latestMousedownTarget = (e.target as HTMLElement) || null;
   }

components/modal/modal-ref.ts

@@ -10,7 +10,7 @@ import { OverlayRef } from '@angular/cdk/overlay';
 import { EventEmitter } from '@angular/core';
 import { NzSafeAny } from 'ng-zorro-antd/core/types';
 import { isPromise } from 'ng-zorro-antd/core/util';
-import { Subject } from 'rxjs';
+import { merge, Subject } from 'rxjs';
 import { filter, take } from 'rxjs/operators';
 
 import { BaseModalContainer } from './modal-container';
@@ -51,14 +51,17 @@ export class NzModalRef<T = NzSafeAny, R = NzSafeAny> implements NzModalLegacyAP
         }
       });
 
-    containerInstance.animationStateChanged
-      .pipe(
+    merge(
+      containerInstance.onDestroy,
+      containerInstance.animationStateChanged.pipe(
         filter(event => event.phaseName === 'done' && event.toState === 'exit'),
         take(1)
       )
+    )
+      .pipe(take(1))
       .subscribe(() => {
         clearTimeout(this.closeTimeout);
-        this.overlayRef.dispose();
+        this.finishDialogClose();
       });
 
     containerInstance.containerClick.pipe(take(1)).subscribe(() => {
@@ -138,10 +141,9 @@ export class NzModalRef<T = NzSafeAny, R = NzSafeAny> implements NzModalLegacyAP
         take(1)
       )
       .subscribe(event => {
-        this.state = NzModalState.CLOSED;
         this.overlayRef.detachBackdrop();
         this.closeTimeout = setTimeout(() => {
-          this.overlayRef.dispose();
+          this.finishDialogClose();
         }, event.totalTime + 100);
       });
 
@@ -196,4 +198,9 @@ export class NzModalRef<T = NzSafeAny, R = NzSafeAny> implements NzModalLegacyAP
       this.close(result);
     }
   }
+
+  private finishDialogClose(): void {
+    this.state = NzModalState.CLOSED;
+    this.overlayRef.dispose();
+  }
 }

components/modal/modal.component.ts

@@ -47,6 +47,7 @@ const NZ_CONFIG_COMPONENT_NAME = 'modal';
 export class NzModalComponent<T = NzSafeAny, R = NzSafeAny> implements OnChanges, NzModalLegacyAPI<T, R> {
   static ngAcceptInputType_nzMask: BooleanInput;
   static ngAcceptInputType_nzMaskClosable: BooleanInput;
+  static ngAcceptInputType_nzCloseOnNavigation: BooleanInput;
   static ngAcceptInputType_nzVisible: BooleanInput;
   static ngAcceptInputType_nzClosable: BooleanInput;
   static ngAcceptInputType_nzOkLoading: BooleanInput;
@@ -58,6 +59,7 @@ export class NzModalComponent<T = NzSafeAny, R = NzSafeAny> implements OnChanges
 
   @Input() @WithConfig(NZ_CONFIG_COMPONENT_NAME) @InputBoolean() nzMask: boolean = true;
   @Input() @WithConfig(NZ_CONFIG_COMPONENT_NAME) @InputBoolean() nzMaskClosable: boolean = true;
+  @Input() @WithConfig(NZ_CONFIG_COMPONENT_NAME) @InputBoolean() nzCloseOnNavigation: boolean = true;
   @Input() @InputBoolean() nzVisible: boolean = false;
   @Input() @InputBoolean() nzClosable: boolean = true;
   @Input() @InputBoolean() nzOkLoading: boolean = false;

components/modal/modal.spec.ts

@@ -1384,6 +1384,20 @@ describe('NzModal', () => {
         modalInstance.triggerCancel();
       }).not.toThrowError();
     }));
+
+    it('should close when the host view is destroyed', fakeAsync(() => {
+      componentInstance.isVisible = true;
+      componentFixture.detectChanges();
+      flush();
+
+      expect(overlayContainerElement.querySelector('nz-modal-container')).not.toBeNull();
+
+      componentFixture.destroy();
+      componentFixture.detectChanges();
+      flush();
+
+      expect(overlayContainerElement.querySelector('nz-modal-container')).toBeNull();
+    }));
   });
 });
 

components/modal/utils.ts

@@ -54,7 +54,8 @@ export function getConfigFromComponent(component: NzModalComponent): ModalOption
     nzOnOk,
     nzOnCancel,
     nzAfterOpen,
-    nzAfterClose
+    nzAfterClose,
+    nzCloseOnNavigation
   } = component;
   return {
     nzMask,
@@ -87,6 +88,7 @@ export function getConfigFromComponent(component: NzModalComponent): ModalOption
     nzOnOk,
     nzOnCancel,
     nzAfterOpen,
-    nzAfterClose
+    nzAfterClose,
+    nzCloseOnNavigation
   };
 }