Using Bootstrap 5 with Vue 3

I want to use Bootstrap 5 with Vue 3. As Bootstrap 5 uses vanilla JS (no JQuery), can I use Bootstrap 5 directly in a Vue 3 project (without using Bootstrap-Vue)? Can someone guide me how to use Bootstrap 5 with Vue 3?

Bootstrap 5 no longer needs jQuery so it's easier to use with Vue, and no longer requires a library like bootstrap-vue.

Install bootstrap as you would any other JS module in the Vue project using npm install or by adding it to the package.json.

npm install --save bootstrap

Next, add the Bootstrap CSS and JS components to the Vue project entrypoint (ie: src/main.js)...

import "bootstrap/dist/css/bootstrap.min.css"
import "bootstrap"

Then, the simplest way to use Bootstrap components is via the data-bs- attributes. For example here's the Bootstrap Collapse component...

<button 
  class="btn btn-primary" 
  data-bs-target="#collapseTarget" 
  data-bs-toggle="collapse">
  Bootstrap collapse
</button>
<div class="collapse py-2" id="collapseTarget">
  This is the toggle-able content!
</div>

Demo with Navbar component

Or, you can import any Bootstrap components and "wrap" them as Vue components. For example here's the Popover component...

import { Popover } from bootstrap;

const popover = Vue.component('bsPopover', {
  template: `
    <slot/>
  `,
  props: {
    content: {
      required: false,
      default: '',
    },
    title: {
      default: 'My Popover',
    },
    trigger: {
      default: 'click',
    },
    delay: {
      default: 0,
    },
    html: {
      default: false,
    },
  },
  mounted() {
    // pass bootstrap popover options from props
    var options = this.$props
    var ele = this.$slots.default[0].elm
    new Popover(ele,options)
  },
})

<bs-popover
  title="Hello Popover"
  content="This is my content for the popover!"
  trigger="hover">
    <button class="btn btn-danger">
      Hover for popover
    </button>
</bs-popover>

Demo | Read more

Yes, you can use Bootstrap without Bootstrap-Vue. Install these two packages with npm:

npm install --save @popperjs/core bootstrap@next

Import Bootstrap to src/main.js:

import "bootstrap/dist/css/bootstrap.min.css";
import "bootstrap";

Example usage for Vue Template:

<div class="dropdown">
    <button
      class="btn btn-secondary dropdown-toggle"
      type="button"
      id="dropdownMenuButton1"
      data-bs-toggle="dropdown"
      aria-expanded="false"
    >
      Check Bootstrap
    </button>
    <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1">
      <li><a class="dropdown-item" href="#">Action</a></li>
      <li><a class="dropdown-item" href="#">Another action</a></li>
      <li><a class="dropdown-item" href="#">Something else here</a></li>
    </ul>
  </div>

Result:

It's easy to implement this once you understand how Bootstrap modals work. Bootstrap modals have a div element with a class of modal fade. When it is triggered, this element gets the show and d-block class as well. In addition, the body tag gets an additional class of modal-open. When the modal is closed, this process is reversed. Understanding this, we can easily implement Bootstrap 5 modals in one's code:

Import Bootstrap 5's CDN in your code. Add both the CSS and JS to your code.

Our sample Single Page Component will look like this:

<template>
<div>  
    <p>Test modal<a href="#" @click="modalToggle">now</a></p>
    <div>
        <button type="button" class="btn btn-primary" @click="modalToggle">My Modal</button>
            <div
            ref="modal"
            class="modal fade"
            :class="{ show: active, 'd-block': active }"
            tabindex="-1"
            role="dialog">
            <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                <h5 class="modal-title">Modal title</h5>
                <button
                    type="button"
                    class="close"
                    data-dismiss="modal"
                    aria-label="Close"
                    @click="modalToggle">
                    <span aria-hidden="true">&times;</span>
                </button>
                </div>
                <div class="modal-body">
                <p>Modal body text goes here.</p>
                </div>
            </div>
            </div>
        </div>
        <div v-if="active" class="modal-backdrop fade show"></div>
        </div>
</div>
</template>

Here we are using the basic Bootstrap 5 modal.

<script>
export default {
data() {
    return {
    active: false,
    }
},
methods: {
    modalToggle() {
    const body = document.querySelector("body")
    this.active = !this.active
    this.active ? body.classList.add("modal-open") : body.classList.remove("modal-open")
    },
},
}
</script>

Here, we have a variable active which is initially set false. So modal will not show up on page load. On clicking a link, we use a method to toggle this variable. This will remove the show attribute and the d-block class from our modalm and remove the modal-open property from the body tag.