#namespace-imports

Namespace imports retain full module despite package.json sideEffects: false

Goal Enable tree-shaking of namespace imports ( import * as ns from 'pkg' ) when a dependency declares "sideEffects": false in its package.json , so that unused bindings are eliminated from the bundle. Constraints and uncertainty Rollup 4.x currently treats namespace imports as opaque references that prevent elimination of any exported binding, even when the

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sideeffectsrolluptree-shaking