[![NPM version][npm-image]][npm-url] ![](https://github.com/rommguy/react-custom-scroll/workflows/build/badge.svg) ![](https://img.shields.io/npm/dw/react-custom-scroll) # React-Custom-Scroll An easily designable, cross browser (!!), custom scroll with ReactJS. The actual scroll is still the native one - Meaning the scroll animations and scroll rate work as always The only thin that is different is the visible design and scrollbar layout. ##### See a [working demo](http://rommguy.github.io/react-custom-scroll/exampleDist/index.html) ### ## Installation ```sh npm i react-custom-scroll --save ``` ### Why do I need this ? - Same design on all browsers - Scrollbar is above the content instead of floating to the side - same layout on scrolled content as not scrolled content ### How to use ? Custom scroll component is available in module or commonJS format. It is located in /dist directory **From unpkg cdn:** * [Js file](https://unpkg.com/react-custom-scroll@5.0.0/dist/reactCustomScroll) Wrap your content with the custom scroll component Remove any overflow style properties from your content root component - The custom scroll will take care of it ```js import { CustomScroll } from "react-custom-scroll"; ``` ```jsx your content ``` ### How to change the design ? Your own custom design can be applied by styling these 2 classes in your css: - rcs-custom-scrollbar - this class styles the container of the scroll handle, you can use it if your handle width is greater than the default. - rcs-inner-handle - this class styles the handle itself, you can use it to change the color, background, border and such of the handle You can see a usage example in the demo page. ### Options (react props) - **allowOuterScroll** : boolean, default false. Blocks outer scroll while scrolling the content - **heightRelativeToParent** : string, default undefined. Content height limit is relative to parent - the value should be the height limit. - **flex** : number, default undefined. If present will apply to the content wrapped by the custom scroll. This prop represents flex size. It is only relevant if the parent of customScroll has display: flex. See example below. This prop will override any value given to heightRelativeToParent when setting the height of customScroll. - **onScroll** - function, default undefined. Listener that will be called on each scroll. - **addScrolledClass** : boolean, default false. If true, will add a css class 'content-scrolled' while being scrolled. - **freezePosition** : boolean, default false. When true, will prevent scrolling. - **minScrollHandleHeight** : number, sets the mimimum height of the scroll handle. Default is 38, as in Chrome on OSX. - **rtl** : boolean, default false. Right to left document, will place the custom scrollbar on the left side of the content, and assume the native one is also there. - **scrollTo**: number, default undefined. Will scroll content to the given value. - **keepAtBottom**: boolean, default false. For dynamic content, will keep the scroll position at the bottom of the content, when the content changes, if the position was at the bottom before the change. [See example here](http://rommguy.github.io/react-custom-scroll/exampleDist/index.html#dynamic-content-example) - **className**: string, default undefined. Allows adding your own class name to the root element. - **handleClass**: string. Can be used to replace the className given to the scroll handle, which is 'rcs-inner-handle' by default. ##### Example for heightRelativeToParent ```jsx your content ``` ### It doesn't work, please help me - Check if you forgot to remove 'overflow' properties from the content root element. - If you're using JSX, make sure you use Pascal case and not camelCase \ and not \. starting with lower case causes JSX to treat the tag as a native dom element - Make sure you have a height limit on the content root element (max-height) - Check if your height limit is relative to parent, and you didn't use heightRelativeToParent prop. ### Typescript - You can use CustomScroll types by installing @types/react-custom-scroll from npm ### Usage with flexbox ##### See a [demo with Flex](http://rommguy.github.io/react-custom-scroll/exampleDist/index.html#flex-example) ### There are some details that apply when using customScroll on elements with size set by css flex. Here is an example for an HTML structure before using customScroll: ```jsx your content (with enough height to cause a scroll) ``` In this example, a scroll is active on the flexibleHeightElement, where the flex size sets it's height to 400px, after the fixedHeight element took 100px. #### Solutions There are 2 options to use customScroll with this structure: - Wrapping the content: For this solution, the overflow property should be removed from the flex size element, since the customScroll will take care of that. Instead, min-height and min-width should be set to 0. ```jsx your content (with enough height to cause a scroll) ``` min-height and min-width are required since flex won't shrink below it's minimum content size ([flex box spec](https://www.w3.org/TR/css-flexbox/#flex-common)). - Replacing the flex-size element with customScroll ```jsx your content (with enough height to cause a scroll) ``` ### Contributing This project is built using Vite. To run in dev mode - "yarn dev" or "npm run dev". To build the project - "yarn build" or "npm run build". ### Tests ```sh npm install npm test # Or for continuous run npx karma start ``` [npm-image]: https://img.shields.io/npm/v/react-custom-scroll.svg?style=flat-square [npm-url]: https://npmjs.org/package/react-custom-scroll [travis-image]: https://img.shields.io/travis/wix/react-custom-scroll/main.svg?style=flat-square [travis-url]: https://travis-ci.org/wix/react-custom-scroll [coveralls-image]: https://img.shields.io/coveralls/wix/react-custom-scroll/main.svg?style=flat-square [coveralls-url]: https://coveralls.io/r/wix/react-custom-scroll?branch=gh-pages [downloads-image]: http://img.shields.io/npm/dm/react-custom-scroll.svg?style=flat-square [downloads-url]: https://npmjs.org/package/react-custom-scroll

	Stars	Issues	Version	Updated	Created
react-custom-scroll			7.0.0	7 months ago	9 years ago
react-custom-scrollbars	3,200	219	4.2.1	7 years ago	9 years ago
react-shadow-scroll	30	5	2.1.1	2 years ago	5 years ago

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