Nested Slots Vue Js
Real app UIs are usually composed of components that are nested multiple levels deep. It is also very common that the segments of a URL corresponds to a certain structure of nested components, for example:
Vue.js (commonly referred to as Vue; pronounced / v j uː /, like 'view') is an open-source model–view–viewmodel front end JavaScript framework for building user interfaces and single-page applications. Vue, JavaScript Slots are a powerful tool for creating reusable components in Vue.js, though they aren’t the simplest feature to understand. Let’s take a look at how to use slots and some examples of how they can be used in your Vue applications. With the recent release of Vue 2.6, the syntax for using slots has been made more succinct.
This page assumes you’ve already read the Components Basics.Read that first if you are new to components. Vue implements a content distribution API that’s modeled after the current Web Components spec draft, using the slot element to serve as distribution outlets for content. How to Watch Nested Property or Object in Vue.js. November 11, 2019. Watchers are Vue.js feature that allows you to track a component property and run a function whenever its value changes. The following example shows how to watch for a property in Vue.js.
With vue-router, it is very simple to express this relationship using nested route configurations.
Given the app we created in the last chapter:
The <router-view> here is a top-level outlet. It renders the component matched by a top level route. Similarly, a rendered component can also contain its own, nested <router-view>. For example, if we add one inside the User component's template:
To render components into this nested outlet, we need to use the children option in VueRouter constructor config:
Note that nested paths that start with / will be treated as a root path. This allows you to leverage the component nesting without having to use a nested URL.
As you can see the children option is just another Array of route configuration objects like routes itself. Therefore, you can keep nesting views as much as you need.
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At this point, with the above configuration, when you visit /user/foo, nothing will be rendered inside User's outlet, because no sub route is matched. Maybe you do want to render something there. In such case you can provide an empty subroute path:
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A working demo of this example can be found here.