
esbuild
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| Fact | esbuild | Rolldown |
|---|---|---|
| License | The repository provides esbuild under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to the license conditions. | Rolldown is free and open source; VoidZero states that it remains open source and MIT-licensed. |
| Purpose | esbuild is an extremely fast bundler for the web designed to improve build tool performance and be easy to use. | Rolldown is a Rust-based bundler for JavaScript with a Rollup-compatible API and esbuild feature parity. |
esbuild may suit developers who want a bundler with built-in support for common web languages and command-line, JavaScript, or Go interfaces. Teams needing TypeScript type checking or a larger, more active community should account for its stated limits.
Rolldown suits JavaScript developers looking for a bundler with TypeScript and JSX transforms and a Rollup-compatible plugin API. Its guidance points most application developers toward using it through Vite and library authors toward tsdown.