You can find a quick demo to play with on CodePen.

Using NPM:

npm i @ivanv/vue-collapse-transition

Via CDN:

<script src="https://unpkg.com/@ivanv/vue-collapse-transition"></script>

Wrap the container you wish to make collapsable with the <collapse-transition> tag.

When you toggle the v-show boolean value, the transition will automatically trigger.

<template>
  <div>
    <button @click="isOpen = !isOpen">
      Toggle
    </button>
    
    <collapse-transition>
      <div v-show="isOpen">
        This div will open and close smoothly!
      </div>
    </collapse-transition>
  </div>
</template>

<script>
  import { CollapseTransition } from "@ivanv/vue-collapse-transition"
  
  export default {
    components: {
      CollapseTransition,
    },
    data() {
      return {
        isOpen: false, // closed by default
      }
    }
  }
</script>

It's up to you how you want to position the collapsable element with CSS.

Set the dimension attribute to height or width.

Default: height

<collapse-transition dimension="height">
  <!-- ... -->
</collapse-transition>

If you collapse the width of a container, the content of its children might wrap on new lines. To remedy this, you can either add a fixed height to the children or use the CSS rule white-space: nowrap.

Vue will also set the usual transition classes. By default, the transition name is collapse, so the classes would be like collapse-enter and collapse-leave-to. You can choose another name if you wish.

<collapse-transition name="slide">
  <!-- ... -->
</collapse-transition>

How long should the transition take in milliseconds.

Default: 300

<collapse-transition :duration="300">
  <!-- ... -->
</collapse-transition>

The CSS transition-timing-function (easing) to use.

Default: ease-in-out

<collapse-transition easing="ease-in-out">
  <!-- ... -->
</collapse-transition>

• Ivan Vermeyen
• All contributors

If you discover any security related issues, please e-mail me instead of using the issue tracker.

See a list of important changes in the changelog.

The MIT License (MIT). Please see License File for more information.