Lazy Load List

# Stand With Palestine 🇵🇸

Lazy Load List is a lightweight web package that loads items in lazy way to achieve high performance and better UX in large lists.

Rendering large lists makes the first load slow especially if items contain images, so this package split the list to small lists then it renders them one by one when scrolling to the end of the list..

you can notice the deference here:

Features

• Fast Loading 🚀
• Lightweight package
• Better user experience
• Supports most loved JS frameworks
• Supports SSR & SSG

Demo

• Simple example in Svelte js
• Simple example in Vue js
• Simple example in React js

you can find the source code of examples in examples folder

Lazy Load List 1.2 is here 🎉

what's new?

• support React js
• auto loading items when container can contain more
• better performance
• explain using custom loading element

Supported Frameworks

Installation

install the package using npm or yarn:

install using npm

$ npm i lazy-load-list

or using yarn

$ yarn add lazy-load-list

Usage

⚠ you must wrap the list by div and specify the height and width in the wrapper div.

• svelte js:

import LazyList from 'lazy-load-list/svelte'

<div  class="container">
	<LazyList
		data={colors}
		itemsPerRender={15}
		containerClasses="list"
		defaultLoadingColor="#222"
		let:item={item}
	>
		<h1>{ item }</h1>
	</LazyList>
</div>

• vue js:

<div class="container">
	<LazyList
		:data="items"
		:itemsPerRender="15"
		containerClasses="list"
		defaultLoadingColor="#222"
	>
		<template v-slot="{item}">
		    <h1>{{ item }}</h1>
		</template>
	</LazyList>
</div>

// script
import LazyList from 'lazy-load-list/vue'
..
components: { LazyList } // don't forget to define it in the components

• react js:

import  LazyList  from  'lazy-load-list/react'

const renderItem = ({item, index}) => (
	<h1 key={index}>{ item }</h1>
)

<div className="container">
	<LazyList
		data={colors}
		itemsPerRender={15}
		containerClasses="list"
		defaultLoadingColor="#222"
		renderItem={renderItem}
	/>
</div>

Props

Using custom loading element

you can specify the loading element color using (defaultLoadingColor) prop.. but if you don't like the default loading element, you can use custom one:

• in svelte js & vue js (just use slot name "loading like this):

<img slot="loading" src="loading.svg" width="16" alt="loading"/>

• react js (use loadingComponent props to pass the element):

	..
		loadingComponent={loadingElementHere}
	/>