{"id":13525904,"url":"https://github.com/transitive-bullshit/react-before-after-slider","last_synced_at":"2025-07-02T14:36:53.444Z","repository":{"id":143904766,"uuid":"135584309","full_name":"transitive-bullshit/react-before-after-slider","owner":"transitive-bullshit","description":"A sexy image comparison slider for 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react-before-after-slider ([demo](https://transitive-bullshit.github.io/react-before-after-slider/))\n\n\u003e A sexy image comparison slider for React.\n\n[![NPM](https://img.shields.io/npm/v/react-before-after-slider.svg)](https://www.npmjs.com/package/react-before-after-slider) [![Build Status](https://travis-ci.com/transitive-bullshit/react-before-after-slider.svg?branch=master)](https://travis-ci.com/transitive-bullshit/react-before-after-slider) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)\n\nThis component is perfect for displaying the differences between two images, allowing the user to slide over them for an enticing before \u0026 after reveal effect.\n\n## Install\n\n```bash\nnpm install --save react-before-after-slider\n```\n\n## Usage\n\nCheck out the [demo](https://transitive-bullshit.github.io/react-before-after-slider/).\n\n```jsx\nimport React, { Component } from 'react'\n\nimport BeforeAfterSlider from 'react-before-after-slider'\n\nclass Example extends Component {\n  render () {\n    const before = 'https://...example1.jpg'\n    const after = 'https://...example2.jpg'\n\n    return (\n      \u003cBeforeAfterSlider\n        before={before}\n        after={after}\n        width={640}\n        height={480}\n      /\u003e\n    )\n  }\n}\n```\n\n## Props\n\n| Property      | Type               | Default                               | Description                                                                                                                                  |\n|:--------------|:-------------------|:--------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------|\n| `before`  | string           | **Required**                                  | URL of before image to use. |\n| `after`   | string           | **Required**                                  | URL of after image to use. |\n| `width`     | number           | **Required**                                  | Width in pixels for the component. |\n| `height`     | number           | **Required**                                  | Height in pixels for the component. |\n| `defaultProgress`     | number           | 0.5                                  | Where the progress slider should start (float between 0 and 1). |\n| `className`     | string           |                                   | Class name to add to root div element.  |\n| `beforeClassName`     | string           |                                   | Class name to add to before element.  |\n| `afterClassName`     | string           |                                   | Class name to add to after element.  |\n| `beforeProps`     | object           | { }                                  | Optional extra props to pass to the before [BlockImage](https://github.com/transitive-bullshit/react-block-image).  |\n| `afterProps`     | object           | { }                                  | Optional extra props to pass to the after [BlockImage](https://github.com/transitive-bullshit/react-block-image).  |\n| `...`           | ...              | undefined                            | Any other props are applied to the root div element. |\n\nNote that by default, both `before` and `after` will be displayed as background images with `background-size: cover` via [react-block-image](https://github.com/transitive-bullshit/react-block-image).\n\n## Todo\n\n- [ ] Remove restriction on passing a hard-coded `width` and `height`\n\n## Related\n\n- [justapose](https://juxtapose.knightlab.com/) - JS library for creating before / after image sliders.\n- [before-after.js](https://github.com/jotform/before-after.js) - jQuery image comparison slider.\n\n## License\n\nMIT © [transitive-bullshit](https://github.com/transitive-bullshit)\n\nSupport my OSS work by \u003ca href=\"https://twitter.com/transitive_bs\"\u003efollowing me on twitter \u003cimg src=\"https://storage.googleapis.com/saasify-assets/twitter-logo.svg\" alt=\"twitter\" height=\"24px\" align=\"center\"\u003e\u003c/a\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftransitive-bullshit%2Freact-before-after-slider","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftransitive-bullshit%2Freact-before-after-slider","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftransitive-bullshit%2Freact-before-after-slider/lists"}