#commonjs

A code comparison showing Vite's own migration guide text on CommonJS default import interop, alongside the legacy.inconsistentCjsInterop config flag that restores the old behavior

Fix Vite 8 CommonJS Default Import Breaking Change

Fix Vite 8 breaking CommonJS default imports under Rolldown's stricter interop. Restore the old behavior with one legacy config flag.

Aug 5, 2026Read more →