Svelte Scrollspy

Overview

The Svelte Scroll Spy component is a library that allows for quick and efficient scrolling on web pages. It utilizes IntersectionObservers and a polyfill for non-supporting browsers, ensuring optimal performance without impacting the user’s experience. This library can be easily integrated with any framework due to its pure JavaScript nature.

Features

• IntersectionObservers: Utilizes IntersectionObservers to efficiently handle scrolling and visibility of sections on a page.
• Polyfill for non-supporting browsers: Includes a polyfill for non-supporting browsers, such as Safari, to ensure consistent functionality across different browsers.
• Framework agnostic: Can be used with any framework of choice, making it versatile and flexible for integration into existing projects.

Installation

To use the Svelte Scroll Spy component within a Svelte application, follow these steps:

1. Install the library:

npm install svelte-scroll-spy

2. Import the necessary components in your Svelte file:

import { ScrollableHeader, ScrollableSection } from 'svelte-scroll-spy';

3. Assign an id to each ScrollableHeader and its corresponding ScrollableSection:

<ScrollableHeader id="header1">...</ScrollableHeader>
<ScrollableSection id="section1">...</ScrollableSection>

4. Customize the appearance of the active section by adding the class ‘active’ to the respective heading:

.active {
    color: red;
    /* Add more styles as desired */
}

Summary

The Svelte Scroll Spy component is a performant and versatile library that enhances the scrolling experience on web pages. Its use of IntersectionObservers ensures quick and efficient scrolling, while the provided polyfill ensures compatibility across different browsers. With its framework agnostic nature, it can be seamlessly integrated into any web development project, providing a smooth and seamless scrolling experience for users.