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* Do not always include entire namespace when used as variable * Refine export handling in module Add general caching. The idea is to eventually merge this with the caching in NamespaceVariabe.getMemberVariables * Use cached exports in NamespaceVariable * Replace usages of cached namespace variables * Use cached map to get export names for variables * Use cached map in more places * Use cached exports to replace list of export names * Separate namespace- and all-export-inclusion * Refine namespace inclusion * Break early in some loop * Store ImportExpression resolution only on Node This will make it easier to handle includes etc. * Dynamically include dynamic import members Instead of doing static analysis, this dynamically links the namespace to its usage. Currently, this is not as good, some test cases need to be analyzed if we can improve here. * Improve tree-shaking to match most of the old behaviour * It was not easily to support optimizing (await import()).foo() because we cannot easily track if `foo` accesses `this`, in which case it could see the entire namespace. Added a regression test for this. * As .catch and .finally do not change property inclusion, we can now optimize cases where a .catch or .finally is followed by a .then * There was a bug in the synthetic namespace inclusion. Fixing this allows tree-shaking for synthetic namespaces. * Ensure Promise handler return value is deoptimized for now * Add test for deep object property tree-shaking * Avoid some property accesses and improve names * Remove TODO * Ensure catch and finally handlers are always included and deoptimized This also simplifies return value deoptimization * Reinstate system default export test * Clarify synthetic named export test

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Commits on Jan 22, 2026

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