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# Svelte Virtual List vs @sveltejs/svelte-virtual-list

The legacy Svelte package proved the pattern. Svelte Virtual List modernizes it for Svelte 5.

## Overview

@sveltejs/svelte-virtual-list is the historical Svelte virtual list demo package. It renders visible items from an `items` array and uses classic slot syntax. It has not been published in years. @humanspeak/svelte-virtual-list keeps the simple component idea but updates the API for Svelte 5 snippets, TypeScript, dynamic height measurement, infinite loading, methods, and current SvelteKit documentation.

- **Svelte Virtual List site:** https://virtuallist.svelte.page
- **Svelte Virtual List npm:** https://www.npmjs.com/package/%40humanspeak%2Fsvelte-virtual-list
- **Svelte Virtual List slug:** svelte-virtual-list
- **Category:** Legacy Svelte Virtual List
- **Approach:** Classic Svelte component demo package
- **Website:** https://www.npmjs.com/package/@sveltejs/svelte-virtual-list
- **GitHub:** https://github.com/sveltejs/svelte-virtual-list
- **npm:** https://www.npmjs.com/package/%40sveltejs%2Fsvelte-virtual-list

## Feature comparison

| Feature | @humanspeak/svelte-virtual-list | @sveltejs/svelte-virtual-list | Notes |
| --- | --- | --- | --- |
| Svelte 5 snippets | Yes | No |  |
| Dynamic item heights | Yes | Limited legacy behavior |  |
| Infinite scroll helpers | Yes | No |  |
| Programmatic scroll to index | Yes | No |  |
| TypeScript-first API | Yes | No |  |
| Current maintenance | Yes | No |  |
| Runtime dependencies | 0 | 0 |  |

## Svelte Virtual List strengths

- Svelte 5-native component API with snippets and TypeScript generics
- Dynamic height measurement without requiring a size map up front
- Built-in infinite loading hooks for feed and pagination workflows
- Imperative scroll method with index and alignment control
- Vertical and horizontal layouts, including reactive orientation switching
- SSR-friendly package for SvelteKit apps
- Zero runtime dependencies and MIT licensed
- Current Svelte 5 syntax and package metadata
- Documented methods, events, and examples

## @sveltejs/svelte-virtual-list strengths

- Very simple historical API
- Recognizable package name from the Svelte organization
- Useful as a reference for the original virtual-list concept

## Svelte Virtual List limitations

- Focused on one-dimensional lists, not grids or masonry layouts
- Horizontal mode is LTR-only in the current release
- Requires Svelte 5
- Newer package with a smaller ecosystem than older virtualizer projects

## @sveltejs/svelte-virtual-list limitations

- Published years ago and not shaped for Svelte 5
- Classic slot API instead of snippets
- No modern infinite loading or scroll method surface
- Sparse current documentation

## Verdict

For new Svelte 5 work, use @humanspeak/svelte-virtual-list. The legacy @sveltejs package is valuable history, but modern apps need current syntax, TypeScript, dynamic height handling, and maintained docs.

## Keywords

@sveltejs/svelte-virtual-list alternative, sveltejs virtual list replacement, modern svelte virtual list