After redirection to a new page, the Ionic-vue menu malfunctioned

I have developed a reusable header component named Header, which contains an IonMenu component for consistency across pages. The menu is associated with the IonRouterOutlet as per the documentation, but I am encountering an issue when navigating between pages. After transitioning from one page to another, the click event on the menu button breaks, and I cannot open the menu again unless I refresh the page by pressing F5. Can you help identify the problem here?

The menu functions properly when on the homepage (/dashboard). If I open the menu, then click on the Profile link to navigate to that page, the menu continues to work correctly. However, upon clicking the back arrow to return to the homepage, the menu ceases to function.

You can find an example in Code Sandbox here.

App.vue

<template>
  <ion-app>
    <ion-router-outlet id="main-content" />
  </ion-app>
</template>

<script setup lang="ts">
import { IonApp, IonRouterOutlet } from "@ionic/vue";
</script>

Header.vue

<template>
  <ion-header>
    <ion-toolbar color="primary">
      <ion-buttons slot="start">
        <ion-back-button defaultHref="/" />
      </ion-buttons>
      <ion-title>Title</ion-title>
      <ion-buttons slot="end">
        <slot>
          <ion-menu-button />
        </slot>
      </ion-buttons>
    </ion-toolbar>
  </ion-header>
  <HeaderMenu color="primary" />
</template>

<script setup lang="ts">
import {
  IonHeader,
  IonTitle,
  IonToolbar,
  IonButtons,
  IonMenuButton,
  IonBackButton,
  IonButton,
} from "@ionic/vue";
import HeaderMenu from "./HeaderMenu.vue";
</script>

HeaderMenu.vue

<template>
  <IonMenu side="end" content-id="main-content">
    <IonHeader>
      <IonToolbar color="primary"></IonToolbar>
    </IonHeader>
    <IonContent>
      <IonItemGroup>
        <IonList class="ion-no-padding">
          <IonMenuToggle>
            <IonItem class="ion-text-center">
              <IonButton
                expand="full"
                fill="clear"
                size="small"
                @click="navigate('dashboard')"
              >
                <span>Dashboard</span>
              </IonButton>
            </IonItem>
            <IonItem class="ion-text-center">
              <IonButton
                expand="full"
                fill="clear"
                size="small"
                @click="navigate('profile')"
              >
                <span>Profile</span>
              </IonButton>
            </IonItem>
          </IonMenuToggle>
        </IonList>
      </IonItemGroup>
    </IonContent>
  </IonMenu>
</template>

<script setup lang="ts">
import {
  IonHeader,
  IonToolbar,
  IonMenu,
  IonMenuToggle,
  IonContent,
  IonButton,
  IonList,
  IonItem,
  IonItemGroup,
  IonIcon,
} from "@ionic/vue";
import router from "../router";

const navigate = (routeName: string) => {
  router.push({ name: routeName });
};
</script>

<style>
/* This fixes the issue with the menu not being clickable */
.menu-content-open {
  pointer-events: unset !important;
}
</style>
javascriptvue.jsionic-frameworkvuejs3

Answer №1

I recently reviewed your code in the HeaderMenu.vue page, specifically within the IonToolbar component where you are setting both dynamic and static URLs for your URL and defaultHref.

For example:

<ion-buttons slot="start">
     <ion-back-button defaultHref="/" />
</ion-buttons>

Answer №2

There's a persistent bug in Ionic that has remained unresolved for quite some time. For more information, you can refer to this GitHub issue.

Unfortunately, the existing solutions don't cater to everyone and Vue users are left without a clear resolution. Personally, I encountered issues with IonMenu as well and decided to tackle the problem head-on.

I made some adjustments to your code which seemed to work in my setup. The core of the issue lies in the menu staying disabled after route changes, especially in the presence of animations. To address this, I introduced computed properties like disabled and utilized onBeforeRouteLeave handlers. This approach necessitated assigning unique IDs to menus using menu-id, and instead of cluttering the code with numerous props, I opted for provide(). Here are the modifications:

Dashboard.vue

<template>
  <IonPage>
    <Header />

    <IonContent :fullscreen="true">
      <span>Dashboard</span>
    </IonContent>
  </IonPage>
</template>

<script setup lang="ts">
import {IonContent, IonPage, menuController} from "@ionic/vue";
import Header from "../components/Header.vue";
import {onBeforeRouteLeave} from "vue-router";
import {provide} from "vue";

const menuId = "dashboard-menu"
provide("menu-id", menuId)
provide("route-name", "dashboard")

onBeforeRouteLeave(async () => {
  await menuController.close(menuId)
  await menuController.enable(true, menuId)
})

</script>

Profile.vue

<template>
  <IonPage>
    <Header />
    <IonContent :fullscreen="true">
      <span>Profile Page</span>
    </IonContent>
  </IonPage>
</template>

<script setup lang="ts">
import {IonContent, IonPage, menuController} from "@ionic/vue";
import Header from "../components/Header.vue";
import {onBeforeRouteLeave} from "vue-router";
import {provide} from "vue";

const menuId = "profile-menu"
provide("menu-id", menuId)
provide("route-name", "profile")

onBeforeRouteLeave(async () => {
  await menuController.close(menuId)
  await menuController.enable(true, menuId)
})

</script>

<style>
ion-modal {
  --height: auto;
}
</style>

HeaderMenu.vue

<template>
  <IonMenu side="end" :menu-id="menuId" content-id="main-content" :disabled="disabled">
    <IonHeader>
      <IonToolbar color="primary"></IonToolbar>
    </IonHeader>
    <IonContent>
      <IonItemGroup>
        <IonList class="ion-no-padding">
          <IonMenuToggle>
            <IonItem class="ion-text-center">
              <IonButton
                expand="full"
                fill="clear"
                size="small"
                @click="navigate('dashboard')"
              >
                <span>Dashboard</span>
              </IonButton>
            </IonItem>
            <IonItem class="ion-text-center">
              <IonButton
                expand="full"
                fill="clear"
                size="small"
                @click="navigate('profile')"
              >
                <span>Profile</span>
              </IonButton>
            </IonItem>
          </IonMenuToggle>
        </IonList>
      </IonItemGroup>
    </IonContent>
  </IonMenu>
</template>

<script setup lang="ts">
import {
  IonHeader,
  IonToolbar,
  IonMenu,
  IonMenuToggle,
  IonContent,
  IonButton,
  IonList,
  IonItem,
  IonItemGroup,
} from "@ionic/vue";
import {computed, inject} from "vue";
import {useRouter} from "vue-router";

const routeName = inject("route-name")
const menuId: string = inject("menu-id")!
const router = useRouter()

const disabled = computed(() => {
  return router.currentRoute.value.name !== routeName
})

const navigate = (routeName: string) => {
  router.push({ name: routeName });
};
</script>

<style>
/* This fixes the issue with the menu not being clickable */
.menu-content-open {
  pointer-events: unset !important;
}
</style>

Answer №3

With the header being a shared component on both pages, it is best practice to move it outside of both and have <Header /> positioned as a sibling just above <ion-router-outlet /> in App.vue

To prevent overlap between the header and page content, make sure to wrap the router component with <IonContent>

<ion-app>
  <Header />
  <IonContent>
    <ion-router-outlet id="main-content" />
  </IonContent>
</ion-app>

By making these two adjustments, your issue should be resolved.

Check out the updated codesandbox here

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