swc_common:
- Use `Mutex` from `parking_lot` instead of it from std.
swc_bundler:
- Use `fxhash` if possible.
- Don't `clone()` all modules if the entry has only one item.
swc_ecma_loader:
- `NodeModulesResolver`: Use `path-clean` instead of `canonicalize`.
swc_ecma_transforms_optimization:
- Reimplement `dce`
node_bundler:
- Enable `concurrent` of `swc_bundler`.
swc_ecma_ast:
- Implement `Take` for `Function`.
- Implement `Take` for `FnExpr`.
- Implement `Take` for `ClassExpr`.
swc_ecma_transforms_compat:
- Migrate `es2015::duplicate_keys` to `VisitMut`.
- Migrate `es2015::template_literals` to `VisitMut`.
- Migrate `es2015::function_name` to `VisitMut`.
- Add more fast-path to `reserved_words` pass.
swc_ecma_transforms_react:
- Reduce allocations of `pure_annotations`.
- Migrate `pure_annotations` to `VisitMut`.
- Migrate `jsx::display_name` to `VisitMut`.
swc_ecma_transforms_optimization:
- Migrate `inline_globals` to `VisitMut`.
- `inline_globals`: Use `Lrc<FxHashMap<K, V>>`.
swc:
- Cache `current_dir()`.
- `ModuleConfig::build`: cacnonicalize only if `paths` is used.
swc_ecma_parser:
- Don't panic on `typeof import(T)`. (#2198)
- Fix parsing of ternary. (#2196)
swc_ecma_transforms_base:
- `fixer`: Handle unary in lhs of an exponentation expression. (#2191)
swc_ecma_transforms_compat:
- Use variable for `this` in arrow expressions. (#2212)
swc_ecma_visit:
- Add a trait `InjectVars`.
node_swc:
- Increease recursion limit while deserializing. (#2223)
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_codegen:
- Fix codegen of `-0.0`.
swc_ecma_transforms_base:
- `fixer`: Handle tag of tagged template literals.
swc_ecma_minifier:
- Implement more rules for strings.
- Implement more rules for teplate literals.
- Implement more rules for comparisons.
- Implement more rules for destructuring bindings.
- Implement more rules for switch statements.
- Implement more rules for expressions.
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)
