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Using PatternFly Elements in your Vue app

To get web components to work with Vue, it’s pretty easy and straightforward. If you’d like to follow along, go ahead and create a new Vue CodeSandbox on The Vue sandbox uses the vue-cli to scaffold an app and you can view your changes in real-time right in the web app. With CodeSandbox, you can also add any npm dependency with just a few button clicks. If you want to run this app locally, you can clone the repository on GitHub.

“Using PatternFly Elements in your Vue App” is broken down into four sections

Each section will show you exactly what you need to do with code snippets and an accompanying CodeSandbox that you can edit or fork.

Initial setup

First, we need to add the web component polyfills so we can support IE11 and Edge. If we were building this app locally, we’d want to install the web components polyfills from npm.

npm install --save @webcomponents/webcomponentsjs

But if you’re using CodeSandbox, you can just expand the dependencies menu in the Explorer region on the left side of the page, click “Add Dependency”, search for “@webcomponents/webcomponentsjs”, and click on the result of the search. After the dependency is installed, add these two lines at the top of the main.js file in the /src/ directory.

import Vue from "vue";
import App from "./App.vue";
import "@webcomponents/webcomponentsjs/custom-elements-es5-adapter";
import "@webcomponents/webcomponentsjs/webcomponents-loader";

Adding PatternFly Elements

With the setup complete, let’s add a couple of PatternFly Elements web components to our application to make sure everything is hooked up properly. We’re going to add a card (pfe-card) and a call-to-action button (pfe-cta). Later, we’ll add an accordion (pfe-accordion) and some CSS to help with our layout (pfe-layouts).

Once again, if we were building this app locally, we’d install our dependencies from npm.

npm install --save @patternfly/pfe-card @patternfly/pfe-cta

But if you’re using CodeSandbox, just search for “@patternfly/pfe-card” and “@patternfly/pfe-cta”.

In our HelloWorld.vue file in the /src/components/ directory, let’s add the import statements for our components to the top of the <script> tag in the file.

import "@patternfly/pfe-card";
import "@patternfly/pfe-cta";
export default {
  name: "HelloWorld",
  props: {
    msg: String

Let’s add some simple markup in the template section of the HellowWorld.vue file to see that our pfe-card and pfe-cta are working.

Below is the accompanying CodeSandbox to see that our initial setup is correct and that we’ve successfully added our web components to our app.