spack:
- Optimize resolver
swc_bunder:
- Parallize merging of reexports
- Remove useless `clone`s
swc_ecma_utils:
- Migrate DropSpan to VisitMut
swc_ecma_transforms:
- Migrate simple transforms to VisitMut
- Ignore types to reduce binary size
- Hide actual types so that we can optimize it in future without breaking change
swc_visit:
- Apply transforms for vector in-place
- Apply transforms for box in-place
`hygiene` pass had a bug related to globally defined variables like `Object` or `undefined`. This pr make hygiene to utilize use-bind conflict to resolve global objects correctly.
Closes#605.
block_scoping pass had a bug with closure in for statement with let or const. This pr fixes it by extracting a loop body as a variable.
Closes#604.
