Image comparison slider for Svelte 3

 

Simple Svelte component to compare two images using slider.

!preview

Features

- Simple
- Responsive (fit to the parent width)
- Size difference between two images handled correctly. Element size determined by following two factors:
- width of the parent
- right image's aspect ratio

Install

``bash
npm i svelte-image-compare --save
`

`bash
yarn add svelte-image-compare
`

CDN: UNPKG | jsDelivr (available as window.ImageCompare)

Usage

`html
before="//placehold.it/600x200/E8117F/FFFFFF"
after="//placehold.it/600x200/CCCCCC/FFFFFF"
contain={true}
>
BEFORE
AFTER



`

If you are not using using es6, instead of importing add

`html

`

just before closing body tag.

API

Props

| Name | Type | Description | Required | Default |
| --- | --- | --- | --- | --- |
| before | String | Path to the image image before change | Yes | empty string |
| after | String | Path to the image image after change | Yes | empty string |
| offset | Number | How far from the left the slider should be on load (between 0 and 1) | No | 0.5 |
| contain | Boolean | Determines if images are stretched to fill parent element. Can be used with help of CSS object-fit: cover to create full page image comparison | No | false |
| overlay | Boolean | Show overlay upon images | No | true |
| hideOnSlide | Boolean | Hide overlay & labels on sliding | No | true |

Slots

- before - element to be placed on top of before image (basically a label)
- after` - element to be placed on top of after image (basically a label)

License

MIT © PaulMaly