Plugin installation and usage in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a Vue plugin?

A Vue plugin is a tool or library that adds global features or functionality to a Vue app, like new components, directives, or methods.

beginner

How do you install a Vue plugin globally?

You install a Vue plugin globally by importing it and then using app.use(plugin) in your main app file before mounting the app.

beginner

What is the purpose of the app.use() method in Vue?

app.use() tells Vue to add a plugin to the app, so the plugin's features become available everywhere in your app.

intermediate

Can Vue plugins add global components? How?

Yes, plugins can add global components by registering them inside the plugin's install function using app.component().

beginner

What is the difference between a plugin and a component in Vue?

A component is a reusable UI piece you use in templates. A plugin adds global features or tools to the whole app, not just UI parts.

How do you add a Vue plugin to your app?

A Use <code>app.use(plugin)</code> before mounting the app

B Import the plugin inside each component

C Add the plugin to the <code>components</code> option

D Call <code>plugin.install()</code> manually

You add a Vue plugin globally by calling app.use(plugin) before mounting the app.

Where do you usually install Vue plugins?

A In the CSS files

B Inside the <code>setup()</code> of each component

C In the router configuration

D In the main app file before mounting

Plugins are installed in the main app file before mounting to make their features available app-wide.

What can Vue plugins add to your app?

A Global components, directives, or methods

B Only CSS styles

C Only local components

D Only HTML templates

Vue plugins can add global components, directives, or methods to enhance the app.

If a plugin registers a global component, how do you use it?

A Import the component in every file

B Use the component tag anywhere in your templates

C Call it inside <code>setup()</code> only

D You cannot use global components

Global components registered by plugins can be used anywhere in your templates without importing.

What is the first step to use a third-party Vue plugin?

A Add it to your CSS

B Write your own plugin

C Install it via npm or yarn

D Create a new Vue app

You first install the plugin package using npm or yarn before importing and using it.

Explain how to install and use a Vue plugin in a new Vue 3 app.

Think about the main app setup file and the app.use method.

Describe the benefits of using plugins in Vue applications.

Consider how plugins help share functionality across the app.