Implementing a function or template from one component into another within a Vue.js application, despite lacking a direct connection between the two components

Working on my Vue.js app, I encountered an interesting challenge:

The layout of the app is simple: it consists of a header, a main view, and a navigation section at the bottom. Depending on the current page the user is on, I want to display a main action in the header. Refer to the wireframes below:

My query is: Is there a way to seamlessly integrate the template and code into the header? Ideally, I would like to keep the logic and appearance (such as an icon with a label) within the corresponding component rather than in the header itself, as it lacks awareness of the current view.

The header and main view components do not have a parent-child relationship. The basic Vue.js template structure is as follows:

<div class="app-content">
    <TheTopBar/>
    <main>
        <router-view></router-view>
    </main>
    <TheNavigationBar/>
</div>
javascriptvue.jscomponentsvue-portal

Answer №1

Here are two solutions to achieve this...

  1. Insert a default slot into the template of TheTopBar where you want your actions to appear
  2. Take out the TheTopBar component from your top-level component, place it within the templates of your "main view" components, and define the content of the slot there (actions)

Another approach could involve using Vue router's Named Views, but this would mean creating a separate "actions" component for each corresponding "main view" component

Edit

Alternatively, there is another option. You can utilize portal-vue which allows you to achieve exactly what you're looking for....

Answer №2

Can code be injected from one component to another? The simple answer is no; you cannot inject code between components. Template logic must be contained within the header component.

Nevertheless, there are a couple of alternative approaches you can take:

  1. Within the header component, you can check the current path using this.$route.path. Depending on the path, you can display the appropriate action item (if a router is utilized).
  2. Utilize a vuex store to monitor the header's action item. The main component can set the store value, and the header component can then read it and respond accordingly.

I trust this response clarifies your query.

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