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Backport #4015: test(swc-plugin): verify class-name preservation at runtime - #4086

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Sep 10, 2026
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Automated backport of #4015 to stable (backport job run).

AI recommendation: Test-only change (plus an empty changeset with no package release) that adds runtime regression coverage for class-name preservation in the SWC registration IIFE transform. The behavior under test already exists on stable: the IIFE registration fix (#3971) was backported as #4013, and StepTransform::new(mode, filename, module_specifier) and TransformMode have the same signatures there. Adding this coverage strengthens the maintenance line without changing shipped behavior.

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🦋 Changeset detected

Latest commit: a0324d2

The changes in this PR will be included in the next version bump.

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TooTallNate merged commit 0503ebe into stable Sep 10, 2026
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TooTallNate deleted the backport/pr-4015-to-stable branch September 10, 2026 21:46

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