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thavixt-scrollbar-react

thavixt-scrollbar-core

A Typescript package for React to customize scrollbars on your website.

Demo

demo page

Install

npm install thavixt-scrollbar-react

Example

import { useScrollbar } from 'thavixt-scrollbar-react';

function MyCompontent() {
	// use the provided hook to create a ref to the element you want to customize
	const ref = useScrollbar<HTMLDivElement>({
		onScrollToEnd: (directions) => {
			console.log(`you reached the ${directions.join(',')} end`);
		},
		styles: {
			thumbColor: '#999',
			thumbHoverColor: '#ccc',
			trackColor: 'transparent',
		},
	})

	// to apply styles to *all* elements on your site, omit using the returned `ref`
	/*
	useScrollbar<HTMLDivElement>({
		body: true,
		styles: {
			thumbColor: '#999',
		},
	})
	*/

	return (
		<div ref={ref} className='h-[300px] overflow-auto whitespace-pre'>
			my very long text that overflows
		</div>
	)
}

API

useThavixtScrollbar(options?): ref

options

Type: object

type ThavixtScrollbarOptions = {
	// Callback on scroll
	onScroll?: (details: ScrollbarScrollDetails) => void;
	// Callback when the element is scrolled to it's min/max width/height
	onScrollToEnd?: (directions: ScrollDirection[]) => void;
	// Styles to apply to the element's vertical/horizontal scrollbar
	styles?: ScrollbarStyles;
	// Apply to all scrollbars on the page
	body?: boolean;
};

interface ScrollbarStyles {
	// Border radius
	borderRadius?: number;

	// Dimensions
	width?: number;
	height?: number;

	// Light theme colors
	thumbColor?: string;
	thumbHoverColor?: string;
	trackColor?: string;
	
	// Dark theme colors
	thumbColorDark?: string;
	thumbHoverColorDark?: string;
	trackColorDark?: string;
}

type ScrollDirection = "top" | "bottom" | "left" | "right";
type ScrollbarScrollDetails = Record<ScrollDirection, number>;

ref

Type: React.Ref<T>

In case of options: { body: true }, the returned ref always points to document.body. This ref should not be assigned to an element.