fix(react): fixes swipe to go back regression (#21791)

packages/react-router/src/ReactRouter/IonRouter.tsx

@@ -39,9 +39,11 @@ class IonRouterInner extends React.PureComponent<IonRouteProps, IonRouteState> {
   locationHistory = new LocationHistory();
   viewStack = new ReactRouterViewStack();
   routeMangerContextState: RouteManagerContextState = {
+    canGoBack: () => this.locationHistory.canGoBack(),
     clearOutlet: this.viewStack.clear,
     getViewItemForTransition: this.viewStack.getViewItemForTransition,
     getChildrenToRender: this.viewStack.getChildrenToRender,
+    goBack: () => this.handleNavigateBack(),
     createViewItem: this.viewStack.createViewItem,
     findViewItemByRouteInfo: this.viewStack.findViewItemByRouteInfo,
     findLeavingViewItemByRouteInfo: this.viewStack.findLeavingViewItemByRouteInfo,

packages/react-router/src/ReactRouter/StackManager.tsx

@@ -4,7 +4,8 @@ import {
   StackContext,
   StackContextState,
   ViewItem,
-  generateId
+  generateId,
+  getConfig
 } from '@ionic/react';
 import React from 'react';
 import { matchPath } from 'react-router-dom';
@@ -38,6 +39,7 @@ export class StackManager extends React.PureComponent<StackManagerProps, StackMa
 
   componentDidMount() {
     if (this.routerOutletElement) {
+      this.setupRouterOutlet(this.routerOutletElement);
       // console.log(`SM Mount - ${this.routerOutletElement.id} (${this.id})`);
       this.handlePageTransition(this.props.routeInfo);
     }
@@ -111,6 +113,28 @@ export class StackManager extends React.PureComponent<StackManagerProps, StackMa
     this.handlePageTransition(routeInfo);
   }
 
+  async setupRouterOutlet(routerOutlet: HTMLIonRouterOutletElement) {
+
+    const canStart = () => {
+      const config = getConfig();
+      const swipeEnabled = config && config.get('swipeBackEnabled', routerOutlet.mode === 'ios');
+      if (swipeEnabled) {
+        return this.context.canGoBack();
+      } else {
+        return false;
+      }
+    };
+
+    const onStart = () => {
+      this.context.goBack();
+    };
+    routerOutlet.swipeHandler = {
+      canStart,
+      onStart,
+      onEnd: _shouldContinue => true
+    };
+  }
+
   async transitionPage(routeInfo: RouteInfo, enteringViewItem: ViewItem, leavingViewItem?: ViewItem) {
 
     const routerOutlet = this.routerOutletElement!;

packages/react-router/test-app/cypress/integration/dynamic-routes.spec.js

@@ -4,7 +4,7 @@ This spec covers that routes can be added and navigated to at runtime.
 Fixes bug reported in https://github.com/ionic-team/ionic/issues/21329
 */
 
-describe('Dynamic Route Tests', () => {
+describe('Dynamic Routes', () => {
   it('/dynamic-routes, when adding a dynamic route, we should be able to navigate to it', () => {
     cy.visit(`http://localhost:${port}/dynamic-routes`)
     cy.ionPageVisible('dynamic-routes-home')

packages/react-router/test-app/cypress/integration/outlet-ref.spec.js

@@ -1,6 +1,6 @@
 const port = 3000;
 
-describe('Multiple Tabs', () => {
+describe('IonRouterOutlet Ref', () => {
   /*
     This spec tests that setting a ref on an IonRouterOutlet works
   */

packages/react-router/test-app/cypress/integration/swipe-to-go-back.js

@@ -0,0 +1,18 @@
+const port = 3000;
+
+describe('Swipe To Go Back', () => {
+  /*
+    This spec tests that swipe to go back works
+  */
+
+  it('/swipe-to-go-back, ', () => {
+    cy.visit(`http://localhost:${port}/swipe-to-go-back`)
+    cy.ionPageVisible('main')
+    cy.ionNav('ion-item', 'Details')
+    cy.ionPageVisible('details')
+    cy.wait(350);
+    cy.ionSwipeRight();
+    cy.ionPageVisible('main')
+  })
+
+})

packages/react-router/test-app/cypress/support/commands.js

@@ -66,6 +66,14 @@ Cypress.Commands.add('ionNav', (element, contains) => {
   cy.wait(250);
 })
 
+Cypress.Commands.add('ionSwipeRight', (element, contains) => {
+  cy.get('ion-router-outlet')
+    .trigger('mousedown', { position: "left" })
+    .trigger('mousemove', { clientX: 100, clientY: 275 })
+    .trigger('mouseup', { force: true })
+  cy.wait(150);
+})
+
 Cypress.Commands.add('ionMenuNav', (contains) => {
   // cy.get('ion-menu.show-menu').should('exist');
   // cy.wait(1000)

packages/react-router/test-app/src/App.tsx

@@ -34,6 +34,7 @@ import NestedOutlet2 from './pages/nested-outlet/NestedOutlet2';
 import ReplaceAction from './pages/replace-action/Replace';
 import TabsContext from './pages/tab-context/TabContext';
 import { OutletRef } from './pages/outlet-ref/OutletRef';
+import { SwipeToGoBack } from './pages/swipe-to-go-back/SwipToGoBack';
 debugger;
 const App: React.FC = () => {
   return (
@@ -49,6 +50,7 @@ const App: React.FC = () => {
         <Route path="/replace-action" component={ReplaceAction} />
         <Route path="/tab-context" component={TabsContext} />
         <Route path="/outlet-ref" component={OutletRef} />
+        <Route path="/swipe-to-go-back" component={SwipeToGoBack} />
       </IonReactRouter>
     </IonApp>
   );

packages/react-router/test-app/src/pages/Main.tsx

@@ -41,6 +41,9 @@ const Main: React.FC<MainProps> = () => {
           <IonItem routerLink="/outlet-ref">
             <IonLabel>Outlet Ref</IonLabel>
           </IonItem>
+          <IonItem routerLink="/swipe-to-go-back">
+            <IonLabel>Swipe to go back</IonLabel>
+          </IonItem>
         </IonList>
       </IonContent>
     </IonPage>

packages/react-router/test-app/src/pages/outlet-ref/OutletRef.tsx

@@ -22,8 +22,6 @@ export const OutletRef: React.FC<OutletRefProps> = () => {
   );
 };
 
-
-
 const Main: React.FC<{ outletId?: string; }> = ({ outletId }) => {
   return (
     <IonPage data-pageid="main">
@@ -38,5 +36,3 @@ const Main: React.FC<{ outletId?: string; }> = ({ outletId }) => {
     </IonPage>
   );
 };
-
-export default Main;

packages/react-router/test-app/src/pages/swipe-to-go-back/SwipToGoBack.tsx

@@ -0,0 +1,53 @@
+import React from 'react';
+import { IonRouterOutlet, IonPage, IonHeader, IonToolbar, IonTitle, IonContent, IonItem, IonButtons, IonBackButton } from '@ionic/react';
+import { Route } from 'react-router';
+
+interface SwipeToGoBackProps {
+}
+
+export const SwipeToGoBack: React.FC<SwipeToGoBackProps> = () => {
+
+
+  return (
+    <IonRouterOutlet id="swipe-to-go-back">
+      <Route path="/swipe-to-go-back" component={Main} exact />
+      <Route path="/swipe-to-go-back/details" component={Details} />
+    </IonRouterOutlet>
+  );
+};
+
+const Main: React.FC = () => {
+  return (
+    <IonPage data-pageid="main">
+      <IonHeader>
+        <IonToolbar>
+          <IonTitle>Main</IonTitle>
+        </IonToolbar>
+      </IonHeader>
+      <IonContent>
+        <IonItem routerLink="/swipe-to-go-back/details">
+          Details
+        </IonItem>
+      </IonContent>
+    </IonPage>
+  );
+};
+
+const Details: React.FC = () => {
+  return (
+    <IonPage data-pageid="details">
+      <IonHeader>
+        <IonToolbar>
+          <IonButtons>
+            <IonBackButton></IonBackButton>
+          </IonButtons>
+          <IonTitle>Details</IonTitle>
+        </IonToolbar>
+      </IonHeader>
+      <IonContent>
+        <div>Details</div>
+      </IonContent>
+    </IonPage>
+  );
+};
+

packages/react/src/routing/RouteManagerContext.ts

@@ -6,24 +6,26 @@ import { ViewItem } from './ViewItem';
 
 export interface RouteManagerContextState {
   addViewItem: (viewItem: ViewItem) => void;
+  canGoBack: () => boolean;
   clearOutlet: (outletId: string) => void;
   createViewItem: (outletId: string, reactElement: React.ReactElement, routeInfo: RouteInfo, page?: HTMLElement) => ViewItem;
   findLeavingViewItemByRouteInfo: (routeInfo: RouteInfo, outletId?: string) => ViewItem | undefined;
-  // findViewItemByPathname: (pathname: string, outletId?: string) => ViewItem | undefined;
   findViewItemByRouteInfo: (routeInfo: RouteInfo, outletId?: string) => ViewItem | undefined;
   getChildrenToRender: (outletId: string, ionRouterOutlet: React.ReactElement, routeInfo: RouteInfo, reRender: () => void) => React.ReactNode[];
   getViewItemForTransition: (pathname: string) => ViewItem | undefined;
+  goBack: () => void;
   unMountViewItem: (viewItem: ViewItem) => void;
 }
 
 export const RouteManagerContext = /*@__PURE__*/React.createContext<RouteManagerContextState>({
   addViewItem: () => undefined,
+  canGoBack: () => undefined as any,
   clearOutlet: () => undefined,
   createViewItem: () => undefined as any,
   findLeavingViewItemByRouteInfo: () => undefined,
-  // findViewItemByPathname: () => undefined,
   findViewItemByRouteInfo: () => undefined,
   getChildrenToRender: () => undefined as any,
   getViewItemForTransition: () => undefined,
+  goBack: () => undefined,
   unMountViewItem: () => undefined,
 });