[0.42.0] - 2024-12-18

• 84b75a0 semantic: [BREAKING] Remove ScopeFlags::Modifiers (refactor(semantic): remove ScopeFlags::Modifiers #7935) (overlookmotel)

• c071494 semantic: [BREAKING] Remove SymbolTable::rename method (refactor(semantic)!: remove SymbolTable::rename method #7868) (overlookmotel)

Features

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

Bug Fixes

• 3659e6d cfg: Include export default code in CFG instructions (fix(cfg): include export default code in CFG instructions #7862) (Jan Olaf Martin)
• 850dd43 codegen: Missing , when generating type parameters with jsx (fix(codegen): missing , when generating type parameters with jsx #7929) (Dunqing)
• 4799471 minfier: Bigint bitwise operation only works with bigint (fix(minfier): bigint bitwise operation only works with bigint #7937) (Boshen)
• de8a86e minifier: Incorrect minification in try_fold_left_child_op (fix(minifier): incorrect minification in try_fold_left_child_op #7949) (翠 / green)
• 9a30910 oxc_transformer: Inject_global_variables should considering string imported name (fix(oxc_transformer): inject_global_variables should considering string imported name #7768) (IWANABETHATGUY)
• 111dc52 parser: Include export token in spans of TSNamespaceExportDeclaration (fix(parser): include export token in spans of TSNamespaceExportDeclaration #7963) (branchseer)
• 14c51ff semantic: Remove inherting ScopeFlags::Modifier from parent scope (fix(semantic): remove inherting ScopeFlags::Modifiers from parent scope #7932) (Dunqing)
• 596aead semantic: Reset references flags when resolved (fix(semantic): reset references flags when resolved #7923) (Dunqing)
• 4924073 semantic: ScopeTree::rename_binding preserve order of bindings (fix(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 (fix(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 (fix(transformer/class-properties): fix symbol clashes in instance prop initializers #7872) (overlookmotel)
• c0576fa transformer/class-properties: Use UID for args in created class constructor (fix(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 (fix(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 (fix(transformer/optional-chaining): avoid creating a useless reference when noDocumentAll is true #7832) (Dunqing)

Performance

• a5f04a7 ast: Faster Comment::is_jsdoc (perf(ast): faster Comment::is_jsdoc #7905) (overlookmotel)
• 4b24335 codegen: Improve printing of statement comments (perf(codegen): improve printing of statement comments #7857) (Boshen)
• 71a40a2 codegen: Guard comment printing comments when there are no comments (perf(codegen): guard comment printing comments when there are no comments #7856) (Boshen)
• b31f123 transformer/class-properties: Do not re-generate same method key (perf(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 (perf(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 (perf(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 (perf(transformer/class-properties): reduce size of transform_call_expression_for_super_member_expr #7859) (overlookmotel)

Documentation

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

Refactor

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

Styling

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

Testing

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