ByteDance Web Infra

Aug 6, 2025 · Frontend Development

How Tree Shaking Differs Across Webpack, esbuild, Turbopack, and Rollup

This article provides a concise overview of tree shaking mechanisms in major JavaScript bundlers—Webpack/Rspack, esbuild, Turbopack, and Rollup—explaining their implementation stages, static analysis techniques, optimization trade‑offs, and practical code examples that highlight each tool's strengths and limitations.