custom-snap

2.0.0 • Public • Published

Custom Snap - Minimal fullpage.js clone

npm version License: MIT

A minimal TypeScript clone of fullpage.js that allows both scroll snapping and native scrolling in different sections of your website.

Demo link: https://hasanmothaffar.github.io/custom-snap/

Features

  • Lightweight and simple (0 dependencies)
  • Works with both fullpage sections (100vh) and variable height sections.
  • You can customize the snap scrolling's duration and easing presets

Installation

npm install custom-snap

Example usage

HTML structure

<div id="container">
	<div style="height: 100vh"></div>
	<div style="height: 100vh"></div>
	<div style="height: 200vh"></div>
	<div style="height: 100vh"></div>
	<div style="height: 200vh"></div>
	<div style="height: 100vh"></div>
</div>

JS

import { CustomSnap } from "custom-snap";

const scrollInstance = new CustomSnap({
	container: document.querySelector("#container"),
});

scrollInstance.register();

Options

Key Description Type Default value
container Scroll container HTMLElement none
hideScrollbar Whether to hide the browser's scrollbar or not boolean false
snapDuration The duration that scroll snapping takes in milliseconds number 1000 (ms)
easing The transition timing function that gets applied to snapping EasingPreset easeInOutQuad
afterSnap Callback that's executed after snap scrolling is performed EventCallback () => {}
beforeSnap Callback that's executed just before snap scrolling is performed EventCallback () => {}

Instance methods

/**
 * Sets a new easing preset for snap scrolling
 */
setEasing(easing: EasingPreset): void

/**
 * Sets a new duration for snap scrolling
 */
setSnapDuration(duration = 1000): void

/**
 * Returns the scroll's direction
 */
getScrollDirection(): ScrollDirection

/**
 * Hides the browser's scrollbar using CSS
 */
hideScrollbar(): void

/**
 * Shows the browser's scrollbar
 */
showScrollbar(): void

/**
 * Scroll to the container's nth child over a period `duration` of time using index:
 *
 * first child => index = 0.
 * second child => index = 1.
 * Nth child => index = n - 1
 */
scrollToSectionByIndex(index: number, duration: number): void

/**
 * Enable scroll instance.
 */
register(): void

/**
 * Disable scroll instance.
 */
unregister(): void

Types

type EasingPreset = "easeInOutQuad" | "easeInCubic" | "inOutQuintic";
type ScrollDirection = "top-to-bottom" | "bottom-to-top" | "";

type EventCallback = (id?: number, section?: HTMLElement | null) => void;

Inspiration

Credits

Package Sidebar

Install

npm i custom-snap

Weekly Downloads

2

Version

2.0.0

License

MIT

Unpacked Size

11.2 kB

Total Files

5

Last publish

Collaborators

  • hasan_mothaffar