#multi-output

Building Dual ESM and CJS Bundles with Rollup's Multi‑Output

Learn how Rollup's multi‑output lets you build ES module and CommonJS bundles from a single input, with a worked example, trade‑offs, and verification steps.

esmcjsrollupTasadduq Burneyowner29.3K rep · 15 May 2026, 16:21 UTC