evanw/esbuild

esbuild is an extremely fast JavaScript bundler that compiles and bundles web applications written in JavaScript, TypeScript, JSX, and CSS. It's designed for web developers and build engineers who need to quickly process modern web codebases, offering features like tree shaking, minification, and source maps. The tool prioritizes performance, claiming to be 10-100x faster than existing bundlers, making it ideal for large-scale projects where build times matter.