swc_ecma_minifier:
- Enable some sequential merging if `collapse_vars` is set.
- Enable sequential merging for top level items.
- `if_return`: Don't inject `void` if it's not exact function body. (#2072)
- `sequences`: Add some condition for aborting. (#2078)
swc_ecma_utils:
- Add `collect_decls`.
- Add `collect_decls_with_ctxt`.
swc_ecma_transforms_optimization:
- `inline_globals`: Don't replace if a binding exists. (#1294)
swc_ecma_minifier:
- Remove useless `0` in sequence expressions.
- `analyzer`: Don't treat fn decl as fn expr.
- `sequences`: Use sequence expressions in front of `b`.
- `if_return`: Drop else token within same pass. (#2044)
- Fix counting logic for `pass`. (#2044)
- `analyzer`: Fix `ref_count`.
- `hygiene`: Implement `visit_prop_name`.
- `ignore_return_value`: Property access to function parameters may have side effects.
- `inline`: Treat `!0` as literal.
- Remove some dead codes if `unused` is enabled.
swc_ecma_utils:
- Fix `may_have_side_effects`.
swc_ecma_parser:
- Allow a class member named `declare`. (#1671)
swc_ecma_transforms_optimization:
- Preserve side effects while inlining array index operations. (#1674)
wasm/web:
- Fix ci script. (#1675)
swc_ecma_utils:
- Use `&mut` for inject_after_super.
swc_ecma_transforms_typescript:
- Merge `typescript_class_properties` into `strip`.
Co-authored-by: 강동윤 <kdy1997.dev@gmail.com>
swc_bundler:
- Improve performance
- Use `Vec<AHashSet<usize>>` instead of `AHashSet<(usize, usize)>`.
- Fix statement orderings. (denoland/deno#9464)
- Fix wrapped esm mixed with circular imports. (denoland/deno#8224)
- Store content of wrapped esm at top level. (denoland/deno#8224)
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
testing:
- Remove dependency on relative_path
swc_common:
- Span's byte positions are now self-contained and `GLOBALS` is not required while parsing.
- Changed `Comments` into a trait.
- Provide single-threaded implementation of `Comments`
- Cargo feature `tty-emiiter` (To remove tty related stuffs )
- Cargo feature `sourcemap` (To remove sourcemap for web assets)
- Removed dependency on dashmap
swc_ecma_parser:
- No duplicated comments.
- Removed dependency on once_cell and regex
- Add a test suite to visualize and test span of nodes.
swc_ecma_utils:
- Removed dependency on parser
swc:
- Remove dependency on derive_more and path-clean
- Add multi-threaded implementation of `Comments`
swc_ecmascript:
- A new crate contains `ast`, `codegen`, `parser`, `utils`, `visit`.
