react
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react
React is a JavaScript library for building user interfaces with declarative, component-based, and cross-platform design.
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FR-AI / ANALYSISWhy it is worth attention
It renders animations entirely off the main thread using OffscreenCanvas, boasts 23–73% faster frame times than rlottie/thorvg, includes built-in TGS (Telegram sticker) decompression, and offers a skeleton loading feature with a bundled CLI for generating outline SVGs.
Who it is for
- Frontend developers building performant Lottie/TGS animations in web apps
- Developers working with multiple frameworks who want a single consistent animation library
- Developers of Telegram sticker viewers or apps needing lightweight animated sticker support
- Performance-conscious teams looking to eliminate UI thread jank from animations
Use cases
- Embedding high-performance Lottie animations in React, Vue, Solid, Svelte, or vanilla JS projects
- Displaying Telegram stickers (.tgs) with automatic gzip decompression
- Showing a skeleton shimmer placeholder while an animation loads, using the tlottie-outline CLI to generate the mask SVG
- Rendering multiple animations on a page without blocking the UI thread using a shared worker pool
Strengths
- Off-main-thread rendering via Web Workers and OffscreenCanvas eliminates UI jank
- Underlying tlottie Rust/WASM engine benchmarks 23–73% faster frame times than rlottie/thorvg
- Native .tgs support with browser-native DecompressionStream, no extra dependencies
- Small framework adapter sizes (3–4 KB gzipped each) and a compressed WASM binary (~131 KB brotli)
Considerations
- Requires OffscreenCanvas and DecompressionStream (Chrome/Edge/Firefox/Safari modern only); no fallback for older browsers
- Raw WASM binary is ~418 KB, though compressed transfer size is much smaller (~131 KB brotli); some CDNs must serve with correct Content-Encoding
- No explicit support for React Native or other non-web environments
README quick start
Quick start
Description
Fast, Web Worker–based Lottie and TGS (Telegram sticker) renderer, backed by the tlottie Rust/WASM engine. Ships adapters for React, SolidJS, Vue, Svelte, Web Components, and Vanilla JS.
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