fix(vue): unmount teleported components (#26647)

Resolves #26644

packages/vue/src/components/IonApp.ts

@@ -31,14 +31,7 @@ export const addTeleportedUserComponent = (component: VNode) => {
 };
 
 export const removeTeleportedUserComponent = (component: VNode) => {
-  /**
-   * Finds the index of the component in the array and removes it.
-   * Previously we were using a filter to remove the component from the array,
-   * but this was causing a bug where dismissing an overlay and then presenting
-   * a new overlay, would cause the new overlay to be removed.
-   */
-  const index = userComponents.value.findIndex((cmp) => cmp === component);
-  if (index !== -1) {
-    userComponents.value.splice(index, 1);
-  }
+  userComponents.value = userComponents.value.filter(
+    (cmp) => cmp !== component
+  );
 };

packages/vue/src/framework-delegate.ts

@@ -11,7 +11,9 @@ export const VueDelegate = (
   addFn = addTeleportedUserComponent,
   removeFn = removeTeleportedUserComponent
 ): FrameworkDelegate => {
-  let Component: VNode | undefined;
+  // `h` doesn't provide a type for the component argument
+  const refMap = new WeakMap<any, VNode>();
+
   // TODO(FW-2969): types
   const attachViewToDom = (
     parentElement: HTMLElement,
@@ -32,15 +34,23 @@ export const VueDelegate = (
     classes && div.classList.add(...classes);
     parentElement.appendChild(div);
 
-    Component = h(Teleport, { to: div }, h(component, { ...componentProps }));
+    const hostComponent = h(
+      Teleport,
+      { to: div },
+      h(component, { ...componentProps })
+    );
 
-    addFn(Component);
+    refMap.set(component, hostComponent);
+
+    addFn(hostComponent);
 
     return Promise.resolve(div);
   };
 
-  const removeViewFromDom = () => {
-    Component && removeFn(Component);
+  const removeViewFromDom = (_container: any, component: any) => {
+    const hostComponent = refMap.get(component);
+    hostComponent && removeFn(hostComponent);
+
     return Promise.resolve();
   };
 

packages/vue/test/base/src/components/ModalContent.vue

@@ -9,7 +9,8 @@
       </ion-toolbar>
     </ion-header>
     <ion-content class="ion-padding">
-      {{ title }}
+      <ion-label id="title">{{ title }}</ion-label>
+      <ion-input></ion-input>
     </ion-content>
   </ion-page>
 </template>
@@ -23,6 +24,7 @@ import {
   IonHeader,
   IonTitle,
   IonToolbar,
+  IonInput,
   modalController
 } from '@ionic/vue';
 import { defineComponent } from 'vue';
@@ -38,7 +40,8 @@ export default defineComponent({
     IonContent,
     IonHeader,
     IonTitle,
-    IonToolbar
+    IonToolbar,
+    IonInput
   },
   setup() {
     const dismiss = async () => {

packages/vue/test/base/tests/e2e/specs/overlays.cy.js

@@ -114,7 +114,7 @@ describe('Overlays', () => {
     cy.get('ion-button#present-overlay').click();
     cy.get('ion-modal').should('exist');
 
-    cy.get('ion-modal ion-content').should('have.text', 'Custom Title');
+    cy.get('ion-modal ion-content #title').should('have.text', 'Custom Title');
   });
 
   it('should pass props to modal via component', () => {
@@ -124,7 +124,7 @@ describe('Overlays', () => {
     cy.get('ion-button#present-overlay').click();
     cy.get('ion-modal').should('exist');
 
-    cy.get('ion-modal ion-content').should('have.text', 'Custom Title');
+    cy.get('ion-modal ion-content #title').should('have.text', 'Custom Title');
   });
 
   it('should pass props to popover via controller', () => {
@@ -195,6 +195,44 @@ describe('Overlays', () => {
       didDismiss: 2
     });
   });
+
+  it('should unmount modal via component', () => {
+    cy.get('ion-radio#ion-modal').click();
+    cy.get('ion-radio#component').click();
+
+    cy.get('ion-button#present-overlay').click();
+    cy.get('ion-modal').should('exist');
+
+    cy.get('ion-modal ion-input').should('have.value', '');
+    cy.get('ion-modal ion-input').type('1');
+
+    cy.get('ion-modal #dismiss').click();
+
+    cy.get('ion-button#present-overlay').click();
+    cy.get('ion-modal').should('exist');
+
+    cy.get('ion-modal ion-input').should('have.value', '');
+  });
+
+
+  it('should unmount modal via controller', () => {
+    cy.get('ion-radio#ion-modal').click();
+    cy.get('ion-radio#controller').click();
+
+    cy.get('ion-button#present-overlay').click();
+    cy.get('ion-modal').should('exist');
+
+    cy.get('ion-modal ion-input').should('have.value', '');
+    cy.get('ion-modal ion-input').type('1');
+
+    cy.get('ion-modal #dismiss').click();
+
+    cy.get('ion-button#present-overlay').click();
+    cy.get('ion-modal').should('exist');
+
+    cy.get('ion-modal ion-input').should('have.value', '');
+  });
+
 })
 
 const testLifecycle = (selector, expected = {}) => {