• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

I Like Kill Nerds

The blog of Australian Front End / Aurelia Javascript Developer & brewing aficionado Dwayne Charrington // Aurelia.io Core Team member.

  • Home
  • Aurelia 2
  • Aurelia 1
  • About
  • Aurelia 2 Consulting/Freelance Work

How to Use Bootstrap JavaScript Components Inside of Shadow DOM Web Components

Javascript · August 24, 2022

Despite doing this front-end thing for over a decade, I still encounter new problems thanks to the ever-evolving web specifications. One of the newer specifications is Web Components.

Now, my situation was I wanted to see Bootstrap 5 Javascript components. Because of the closed-wall nature of Shadow DOM means, the global approach Bootstrap takes by default will not work for components.

Fortunately, it is possible to use Bootstrap components with Shadow DOM, albeit programmatically.

import { Dropdown } from 'bootstrap'; 

const dropdownElement = this.element.shadowRoot.querySelector(".dropdown-toggle-product");
    
const dropdown = new Dropdown(dropdownElement);

In my example, I am using Aurelia 2, but the premise is the same. You access the shadowRoot of the element that contains the markup, you want to enable Bootstrap on. It’s a new paradigm, shadowRoot becomes the document

You probably want to ensure your components are in open mode, as I haven’t tested if this approach would even work in closed mode (presumably not).

Dwayne

Leave a Reply Cancel reply

0 Comments
Inline Feedbacks
View all comments

Primary Sidebar

Popular

  • How To Get The Hash of A File In Node.js
  • Handling Errors with the Fetch API
  • Testing Event Listeners In Jest (Without Using A Library)
  • Thoughts on the Flipper Zero
  • Waiting for an Element to Exist With JavaScript

Copyright © 2023 · Dwayne Charrington · Log in

wpDiscuz