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fix(transform): preserve decorated class static initialization - #43940
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Pavel Feldman (pavelfeldman)
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Type-only field stripping revisits classes generated by Babel's decorator transform and removes a computed field that initializes the decorated class. Run stripping in a single Program traversal before the other transforms so generated fields remain intact.
Extend the existing class-field semantics tests with a class decorator, static field and static block, retaining the assignment/definition assertions. Both assignment-mode cases fail without the fix and pass with it.
Verified the ESM reproduction, all 18 Babel tests, all 31 neighbouring ESM tests, the build and full lint checks.
Fixes #43936
Triaged on Linux by the Playwright bot - agent run