## [0.42.0] - 2024-12-18

- 84b75a0 semantic: [**BREAKING**] Remove `ScopeFlags::Modifiers`
(#7935) (overlookmotel)

- c071494 semantic: [**BREAKING**] Remove `SymbolTable::rename` method
(#7868) (overlookmotel)

### Features

- 8b7c5ae ast: Add `AstBuilder::atom_from_cow` (#7974) (overlookmotel)
- 46e2e27 data_structures: Implement `Default` for `NonEmptyStack`
(#7946) (overlookmotel)
- db9e93b mangler: Mangle top level variables (#7907) (翠 / green)
- 075bd16 minifier: Fold bitwise operation (#7908) (翠 / green)
- c16a851 napi/transform: Add `jsx: 'preserve'` option (#7965) (Boshen)
- 81eedb1 parser: 'readonly' type modifier is only permitted on array
and tuple literal types. (#7880) (Boshen)
- b9322c6 semantic: Re-export all flags and ID types (#7886)
(overlookmotel)
- c30a982 span: Add `impl From<ArenaString> for Atom` (#7973)
(overlookmotel)
- 02b653c transformer/class-properties: Do not create temp var for
template literal computed key (#7919) (overlookmotel)
- feac02e transformer/class-properties: Only rename symbols if necessary
(#7896) (overlookmotel)
- 6bc530d transformer/class-properties: Transform super call expression
that is inside static prop initializer (#7831) (Dunqing)
- 53e2bc0 traverse: Add `TraverseScoping::rename_symbol` method (#7871)
(overlookmotel)

### Bug Fixes

- 3659e6d cfg: Include export default code in CFG instructions (#7862)
(Jan Olaf Martin)
- 850dd43 codegen: Missing `,` when generating type parameters with jsx
(#7929) (Dunqing)
- 4799471 minfier: Bigint bitwise operation only works with bigint
(#7937) (Boshen)
- de8a86e minifier: Incorrect minification in `try_fold_left_child_op`
(#7949) (翠 / green)
- 9a30910 oxc_transformer: Inject_global_variables should considering
string imported name (#7768) (IWANABETHATGUY)
- 111dc52 parser: Include export token in spans of
TSNamespaceExportDeclaration (#7963) (branchseer)
- 14c51ff semantic: Remove inherting `ScopeFlags::Modifier` from parent
scope (#7932) (Dunqing)
- 596aead semantic: Reset references flags when resolved (#7923)
(Dunqing)
- 4924073 semantic: `ScopeTree::rename_binding` preserve order of
bindings (#7870) (overlookmotel)
- bb38065 transformer/class-properties: Do not transform `super.prop` in
nested method within static prop initializer (#7978) (overlookmotel)
- e76fbb0 transformer/class-properties: Fix symbol clashes in instance
prop initializers (#7872) (overlookmotel)
- c0576fa transformer/class-properties: Use UID for `args` in created
class constructor (#7866) (overlookmotel)
- d660d8d transformer/optional-chaining: Do not create unused reference
when `noDocumentAll` assumption (#7847) (overlookmotel)
- 4920c6a transformer/optional-chaining: Avoid creating a useless
reference when `noDocumentAll` is true (#7832) (Dunqing)

### Performance

- a5f04a7 ast: Faster `Comment::is_jsdoc` (#7905) (overlookmotel)
- 4b24335 codegen: Improve printing of statement comments (#7857)
(Boshen)
- 71a40a2 codegen: Guard comment printing comments when there are no
comments (#7856) (Boshen)
- b31f123 transformer/class-properties: Do not re-generate same method
key (#7915) (overlookmotel)
- 8ca8fce transformer/class-properties: Reduce work updating scopes when
transforming static prop initializers (#7904) (overlookmotel)
- 80d0b3e transformer/class-properties: Fast path for instance prop
initializer scope re-parenting (#7901) (overlookmotel)
- 38aafa2 transformer/class-properties: Reduce size of
`transform_call_expression_for_super_member_expr` (#7859)
(overlookmotel)

### Documentation

- e49de81 ast: Document `Expression::is_*` methods (#7853)
(overlookmotel)
- 10a86b9 transformer: Fix comments (#7925) (overlookmotel)
- f4cb5d3 transformer: Clarify comment (#7918) (overlookmotel)
- 41a1456 transformer/class-properties: Correct doc comments (#7966)
(overlookmotel)
- 18441af transformer/class-properties: Remove oudated todo for
assignment expression (#7955) (Dunqing)
- 1317c00 transformer/class-properties: Clarify doc comments (#7914)
(overlookmotel)
- 9989b58 transformer/class-properties: Re-order file list in doc
comment (#7911) (overlookmotel)
- 7390048 transformer/class-properties: Reformat doc comment (#7909)
(overlookmotel)

### Refactor

- beb982a ast: Use exhaustive match for `Argument` to
`ArrayExpressionElement` conversion (#7848) (overlookmotel)
- 3858221 global: Sort imports (#7883) (overlookmotel)
- 1314c97 minifier: Expose dce as an API instead of an option (#7957)
(Boshen)
- 6551dfe semantic: Pass `&str` instead of `Cow` (#7972) (overlookmotel)
- b8d2bd2 semantic: Move determining references flags for export
specifier to `visit_export_named_declaration` (#7924) (Dunqing)
- 98d7946 semantic: Import flags and ID types from `oxc_syntax` (#7887)
(overlookmotel)
- 1cf8f8f semantic: `SymbolTable::set_name` return old name (#7869)
(overlookmotel)
- 5d42df8 semantic: Use `Expression::is_super` (#7851) (overlookmotel)
- 8cf9766 semantic, syntax, wasm: Remove `#![allow(non_snake_case)]`
(#7863) (overlookmotel)
- d59bbae transformer: Remove unneeded lint `#[allow]` (#7971)
(overlookmotel)
- 2c94236 transformer: Improve encapsulation of transforms (#7888)
(overlookmotel)
- 34091b2 transformer: Use `Expression::is_super` (#7852)
(overlookmotel)
- d4d7bc0 transformer/async-to-generator: Avoid allocating unnecessary
`Atom`s (#7975) (overlookmotel)
- 2e5ffd3 transformer/class-properties: Store `temp_var_is_created` on
`ClassBindings` (#7981) (overlookmotel)
- 27cc6da transformer/class-properties: Store `is_declaration` only on
`ClassDetails` (#7980) (overlookmotel)
- ee282f8 transformer/class-properties: Remove `move_expression`s
(#7979) (overlookmotel)
- 94b376a transformer/class-properties: Simplify logic for when to
create temp binding (#7977) (overlookmotel)
- ff9d1b3 transformer/class-properties: Comments about shorter output
(#7976) (overlookmotel)
- 6fc40f0 transformer/class-properties: Pass `BoundIdentifier`s by
reference (#7968) (overlookmotel)
- 69eeeea transformer/class-properties: Methods take `&self` where
possible (#7967) (overlookmotel)
- 98340bb transformer/class-properties: Use stack of `ClassDetails`
(#7947) (overlookmotel)
- 088dd48 transformer/class-properties: Shorten code (#7913)
(overlookmotel)
- 544ffbf transformer/class-properties: Split up code into multiple
files (#7912) (overlookmotel)
- dcaf674 transformer/class-properties: Rename file (#7910)
(overlookmotel)
- 6243980 transformer/class-properties: Instance prop inits visitor use
`Visit` (#7867) (overlookmotel)
- eb47d43 transformer/class-properties: Re-use existing `Vec` (#7854)
(overlookmotel)
- 1380b7b transformer/class-properties: Reduce visibility of method
(#7858) (overlookmotel)
- 0f5e078 transformer/class-properties: Rename `*_owner` to `owned_*`
(#7855) (Dunqing)
- 4ea90d4 transformer/react-refresh: Calculate signature key once
(#7970) (Dunqing)
- 15b9bff transformer/typescript: Reuse `Atom` (#7969) (overlookmotel)

### Styling

- fb897f6 data_structures: Add line break (#7882) (overlookmotel)
- 7fb9d47 rust: `cargo +nightly fmt` (#7877) (Boshen)

### Testing

- 523d48c transformer: Move named test to exports folder (#7922)
(Dunqing)
- e766051 transformer: Skip test which uses filesystem under miri
(#7874) (overlookmotel)
- f39e65e transformer: Prevent lint error when running miri (#7873)
(overlookmotel)

Co-authored-by: Dunqing <[email protected]>