oxc/crates/oxc_syntax/CHANGELOG.md

Changelog

All notable changes to this package will be documented in this file.

The format is based on Keep a Changelog, and this project does not adhere to Semantic Versioning until v1.0.0.

[0.48.2] - 2025-02-02

Bug Fixes

• 8a6ae8a minifier: Do not change const to let if assignment to constant variable. (#8761) (Boshen)

Refactor

• 0568210 ast: Remove excess line breaks from generated code (#8830) (overlookmotel)

[0.48.0] - 2025-01-24

Refactor

• 23b49a6 linter: Use cow_to_ascii_lowercase instead cow_to_lowercase (#8678) (Boshen)
• b8d9a51 span: Deal only in owned Atoms (#8641) (overlookmotel)

[0.47.0] - 2025-01-18

• 7066d1c ast, span, syntax, regular_expression: [BREAKING] Remove ContentHash (#8512) (overlookmotel)

Features

• c479a58 napi/parser: Expose dynamic import expressions (#8540) (Boshen)

[0.46.0] - 2025-01-14

• 7eb6ccd ast: [BREAKING] Remove unused and not useful ContentHash (#8483) (Boshen)

Features

[0.45.0] - 2025-01-11

Features

• 41ddf60 minfier: Add CompressOptions::target (#8179) (Boshen)
• ec88c68 minifier: Compress a || (a = b) to a ||= b (#8315) (sapphi-red)
• e6fe84d minifier: Compress a = a + b to a += b (#8314) (sapphi-red)
• 7f19211 minifier: Minimize unary expression statements (#8256) (camc314)
• 2331ea8 minifier: typeof foo === 'number' => typeof foo == 'number' (#8112) (Boshen)

Bug Fixes

• c0a3dda minifier: instanceof has error throwing side effect (#8378) (Boshen)

[0.44.0] - 2024-12-25

Features

• be4feb4 syntax: Add SymbolId::new method (#8041) (overlookmotel)

[0.43.0] - 2024-12-21

Refactor

• e7476a1 semantic: Remove serialize (#8015) (Boshen)

[0.42.0] - 2024-12-18

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

Refactor

• 3858221 global: Sort imports (#7883) (overlookmotel)
• 8cf9766 semantic, syntax, wasm: Remove #![allow(non_snake_case)] (#7863) (overlookmotel)

Styling

• 7fb9d47 rust: cargo +nightly fmt (#7877) (Boshen)

[0.41.0] - 2024-12-13

Refactor

• 0f367e5 semantic: Improve the logic of resolving references to be cleaner (#7829) (Dunqing)

[0.40.0] - 2024-12-10

Features

• 00fea92 napi/parser: Expose span positions of import.meta (#7677) (Boshen)
• b8dc333 syntax: Add ExportEntry::is_type (#7676) (Boshen)

Refactor

• c6a19aa linter: Remove unused serde features (#7738) (Boshen)

[0.39.0] - 2024-12-04

• c2ced15 parser,linter: [BREAKING] Use a different ModuleRecord for linter (#7554) (Boshen)

• 8a788b8 parser: [BREAKING] Build ModuleRecord directly in parser (#7546) (Boshen)

Features

• 7c62a33 napi/parser: Return esm info (#7602) (Boshen)
• 33e5a49 syntax: Add statement span to ImportEntry and ExportEntry (#7583) (Boshen)

Performance

• 4a98230 syntax: Use FxDashMap for exported bindings (#7525) (overlookmotel)

Refactor

• 169b8bf linter, syntax: Introduce type alias FxDashMap (#7520) (overlookmotel)
• f0e7acc syntax: Change ModuleRecord::not_esm to has_module_syntax (#7579) (Boshen)
• 18519de syntax: Remove ModuleRecord::export_default (#7578) (Boshen)
• d476660 syntax: Remove ModuleRecord::exported_bindings_duplicated because it is a syntax error (#7577) (Boshen)
• 17663f5 syntax: Remove ModuleRecord::export_default_duplicated because it is a syntax error (#7576) (Boshen)
• 79014ff syntax: Clean up ModuleRecord (#7568) (Boshen)

[0.38.0] - 2024-11-26

• 27b2268 semantic: [BREAKING] Remove SymbolFlags::Export (#7414) (Dunqing)

• 6f0fe38 semantic: [BREAKING] Correct all ReferenceFlags::Write according to the spec (#7388) (Dunqing)

Bug Fixes

Refactor

• d7d0735 semantic: Remove SymbolFlags::TypeLiteral (#7415) (Dunqing)

[0.37.0] - 2024-11-21

Features

• 2534cde syntax: Add AssignmentOperator::to_logical_operator and to_binary_operator methods (#7350) (overlookmotel)

Performance

• c335f92 syntax: Reorder operator enum variants (#7351) (overlookmotel)

Documentation

• 9b9d020 semantic: Document the meaning of ReferenceFlags::Read and Write (#7368) (Boshen)
• b3d5802 syntax: More comments for ReferenceFlags (#7392) (overlookmotel)

Styling

• b5a2027 syntax: Improve formatting (#7349) (overlookmotel)

[0.36.0] - 2024-11-09

Features

• dc0215c ast_tools: Add #[estree(append_to)], remove some custom serialization code (#7149) (ottomated)

[0.35.0] - 2024-11-04

Features

• 169fa22 ast_tools: Default enums to rename_all = "camelCase" (#6933) (ottomated)

[0.34.0] - 2024-10-26

Features

• 1145341 ast_tools: Output typescript to a separate package (#6755) (ottomated)

Refactor

• 423d54c rust: Remove the annoying clippy::wildcard_imports (#6860) (Boshen)

[0.33.0] - 2024-10-24

Refactor

• 85e69a1 ast_tools: Add line breaks to generated code for ESTree derive (#6680) (overlookmotel)
• ad8e293 ast_tools: Shorten generated code for impl Serialize (#6684) (overlookmotel)
• 9ba2b0e ast_tools: Move #[allow] attrs to top of generated files (#6679) (overlookmotel)

[0.32.0] - 2024-10-19

Features

• e310e52 parser: Generate Serialize impls in ast_tools (#6404) (ottomated)

Bug Fixes

• 2ce3e5f identifier: Add ZWSP to is_irregular_whitespace (#6662) (Boshen)
• 1d3d256 transformer: Correctly trim JSX (#6639) (magic-akari)

Documentation

• 335b7f2 syntax: Enable lint warnings on missing docs, and add a lot of documentation (#6611) (DonIsaac)

Refactor

• 856cab5 ecmascript: Move ToInt32 from oxc_syntax to oxc_ecmascript (#6471) (Boshen)

[0.31.0] - 2024-10-08

Refactor

• 03bc041 syntax: Remove some unsafe code creating IDs (#6324) (overlookmotel)

[0.30.3] - 2024-09-27

Bug Fixes

• 933a743 semantic: Add interfaces and functions to SymbolFlags::ClassExcludes (#6057) (DonIsaac)

[0.30.2] - 2024-09-27

Bug Fixes

• e0a8959 minifier: Compute void number as undefined (#6028) (Boshen)

[0.30.0] - 2024-09-23

• c96b712 syntax: [BREAKING] Remove SymbolFlags::ArrowFunction (#5857) (overlookmotel)

Documentation

• 1ccf290 semantic: Document AstNode and AstNodes (#5872) (DonIsaac)
• e04841c syntax: Add ModuleRecord documentation (#5818) (DonIsaac)

Refactor

[0.29.0] - 2024-09-13

Bug Fixes

• 042afa9 syntax: Correctly check for valid RedeclarationIds (#5759) (overlookmotel)

Refactor

• cc0408b semantic: S/AstNodeId/NodeId (#5740) (Boshen)

[0.27.0] - 2024-09-06

Features

• 90facd3 ast: Add ContentHash trait; remove noop Hash implementation from Span (#5451) (rzvxa)
• 23285f4 ast: Add ContentEq trait. (#5427) (rzvxa)

Performance

• bfabd8f syntax: Further optimize is_identifier_name (#5426) (overlookmotel)
• aeda84f syntax: Optimize is_identifier_name (#5425) (overlookmotel)

Refactor

• ccc8a27 ast, ast_tools: Use full method path for generated derives trait calls. (#5462) (rzvxa)
• e4ed41d semantic: Change the reference flag to ReferenceFlags::Type if it is used within a TSTypeQuery (#5444) (Dunqing)
• b47aca0 syntax: Use generate_derive for CloneIn in types outside of oxc_ast crate. (#5280) (rzvxa)

[0.25.0] - 2024-08-23

• d262a58 syntax: [BREAKING] Rename ReferenceFlag to ReferenceFlags (#5023) (overlookmotel)

Refactor

[0.24.3] - 2024-08-18

Features

• 48821c0 semantic,syntax: Add SymbolFlags::ArrowFunction (#4946) (DonIsaac)

Documentation

• 0a01a47 semantic: Improve documentation (#4850) (DonIsaac)

Refactor

• 48a1c32 syntax: Inline trivial bitflags methods (#4877) (overlookmotel)

[0.24.0] - 2024-08-08

Features

• 82e2f6b ast_codegen: Process AST-related syntax types. (#4694) (rzvxa)
• 6a36616 syntax: Derive CloneIn for the AST-related items. (#4730) (rzvxa)

Bug Fixes

• 9f8f299 syntax: Prevent creating invalid u32 IDs (#4675) (overlookmotel)

Refactor

• e24fb5b syntax: Add explicit enum discriminants to AST related types. (#4691) (rzvxa)
• 3f3cb62 syntax, span: Reduce #[cfg_attr] boilerplate in type defs (#4698) (overlookmotel)

[0.23.1] - 2024-08-06

Bug Fixes

• 9f8f299 syntax: Prevent creating invalid u32 IDs (#4675) (overlookmotel)

[0.23.0] - 2024-08-01

Features

• a558492 codegen: Implement BinaryExpressionVisitor (#4548) (Boshen)
• 35654e6 codegen: Align operator precedence with esbuild (#4509) (Boshen)
• b952942 linter: Add eslint/no-unused-vars (⭐ attempt 3.2) (#4445) (DonIsaac)

[0.22.1] - 2024-07-27

Bug Fixes

• 1667491 syntax: Correct is_reserved_keyword_or_global_object's incorrect function calling. (#4484) (Ethan Goh)
• 82ba2a0 syntax: Fix unsound use of NonZeroU32 (#4466) (overlookmotel)

Performance

• 24beaeb semantic: Give AstNodeId a niche (#4469) (overlookmotel)
• 6a9f4db semantic: Reduce storage size for symbol redeclarations (#4463) (overlookmotel)

Refactor

• c99b3eb syntax: Give ScopeId a niche (#4468) (overlookmotel)
• 96fc94f syntax: Use NonMaxU32 for IDs (#4467) (overlookmotel)

[0.22.0] - 2024-07-23

Bug Fixes

• f8565ae transformer/typescript: Unexpectedly removed class binding from ExportNamedDeclaration (#4351) (Dunqing)

[0.21.0] - 2024-07-18

Features

• 92ee774 semantic: Add ScopeFlags::CatchClause for use in CatchClause (#4205) (Dunqing)

Bug Fixes

• 95e15b6 semantic: Incorrect resolve references for ExportSpecifier (#4320) (Dunqing)
• 1108f2a semantic: Resolve references to the incorrect symbol (#4280) (Dunqing)

Performance

• 8fad7db semantic: Reduce AstNodeId to u32 (#4264) (overlookmotel)

Refactor

• fc0b17d syntax: Turn the AstNodeId::dummy into a constant field. (#4308) (rzvxa)

[0.16.3] - 2024-07-02

Bug Fixes

• d995f94 semantic: Resolve reference incorrectly when a parameter references a parameter that hasn't been defined yet (#4004) (Dunqing)

[0.16.2] - 2024-06-30

Performance

• 0c81fbe syntax: Use NonZeroU32 for SymbolId and ReferenceId (#3970) (Boshen)

[0.16.0] - 2024-06-26

Bug Fixes

• 99a40ce semantic: export default foo should have ExportLocalName::Default(NameSpan) entry (#3823) (Boshen)

[0.13.4] - 2024-06-07

Bug Fixes

• c00598b transformer: JSX set reference_id on refs to imports (#3524) (overlookmotel)

[0.13.1] - 2024-05-22

Features

• e2dd8ac syntax: Export is_reserved_keyword and is_global_object method (#3384) (Boshen)

Bug Fixes

• b4fa27a transformer: Do no add __self when the jsx is inside constructor (#3258) (Dunqing)

[0.13.0] - 2024-05-14

Features

• f1ccbd4 syntax: Add ToInt32 trait for f64 (#3132) (Boshen)
• 870d11f syntax: Add ToJsString trait for f64 (#3131) (Boshen)
• 46c02ae traverse: Add scope flags to TraverseCtx (#3229) (overlookmotel)

Bug Fixes

• 4e20b04 traverse: Create scope for function nested in class method (#3234) (overlookmotel)

Refactor

• a8af5de syntax: Move number related functions to number module (#3130) (Boshen)
• ae65613 syntax: Use FxHashMap for ModuleRecord::request_modules (#3124) (Boshen)

[0.12.5] - 2024-04-22

Features

• e6d11c6 syntax: Module graph visitor. (#3062) (Ali Rezvani)

Bug Fixes

• 1f7033e semantic: Correctly resolve identifiers inside parameter initializers (#3046) (Boshen)

Refactor

• 1249c6c ast: Implement same traits on all fieldless enums (#3031) (overlookmotel)

[0.12.2] - 2024-04-08

Bug Fixes

• 1ea24ea semantic: Symbols inside functions and classes incorrectly flagged as exported (#2896) (Don Isaac)

[0.12.1] - 2024-04-03

Features

• 7710d8c transformer: Add compiler assumptions (#2872) (Boshen)

[0.11.0] - 2024-03-30

Features

• 712b3d2 semantic: Distinguish type imports in ModuleRecord (#2785) (Dunqing)

Bug Fixes

• df62828 linter/import: Ignore export declaration in no-duplicates (#2863) (Dunqing)

Refactor

• 1b5e544 semantic: Distinguish whether requested_modules is type imports/exports (#2848) (Dunqing)

[0.10.0] - 2024-03-14

Features

• 366a879 linter: Resolve ESM star exports (#2682) (Boshen)- 697b6b7 Merge features serde and wasm to serialize (#2716) (Boshen)

Refactor

• cba1e2f ast: Import Tsify to shorten code (#2665) (overlookmotel)
• 6b5723c ast: Shorten manual TS defs (#2638) (overlookmotel)- 89e8d15 Derive SerAttrs on all AST types (#2698) (overlookmotel)- 3c1e0db Reduce cfg_attr boilerplate with SerAttrs derive (#2669) (overlookmotel)- d76ee6b "wasm" feature enable "serde" feature (#2639) (overlookmotel)- 0646bf3 Rename CompactString to CompactStr (#2619) (overlookmotel)

[0.9.0] - 2024-03-05

Features

• d41dcc3 linter: Remove all commonjs logic for import plugin (#2537) (Boshen)

[0.8.0] - 2024-02-26

Features

• 6b3b260 Codegen: Improve codegen (#2460) (Andrew McClenaghan)
• f64c7e0 linter: Handle cjs module.exports.foo = bar and exports.foo = bar (#2492) (Boshen)
• 950298d semantic: Add static property, ElementKind::Getter, ElementKind::Setter in ClassTable (#2445) (Dunqing)
• 3e1794d syntax: Implement Debug for ModuleRecord (#2488) (Boshen)

Bug Fixes

• fba66dc linter: Improve import/no-named-as-default (#2494) (Boshen)

Refactor

• 67d7a46 linter: Get arrow expression by scope_id in no_render_return_value (#2424) (Dunqing)

[0.7.0] - 2024-02-09

Bug Fixes

• 540b2a0 semantic: Remove unnecessary SymbolFlags::Import (#2311) (Dunqing)

[0.6.0] - 2024-02-03

Features

• f673e41 ast: Remove serde skip for symbol_id and reference_id (#2220) (Dunqing)
• cd5026c ast: TypeScript definition for wasm target (#2158) (Nicholas Roberts)
• ead4e8d transformer/typescript: Remove import if only have type reference (#2001) (Dunqing)

Bug Fixes

• 29dc5e6 codegen: Add parenthesis in binary expression by precedence (#2067) (Wenzhe Wang)

Refactor

• bc7ea0b parser: Make is_identifier methods consistent (overlookmotel)
• 0dc1804 syntax: Don't re-export unicode_id_start (overlookmotel)
• 27aaff2 syntax: ASCII tables static not const (#2128) (overlookmotel)
• 4f59c4f syntax: Reformat identifier byte tables (#2111) (overlookmotel)

[0.5.0] - 2024-01-12

Features

• 90524c8 linter: Add eslint-plugin-import(export) rule (#1654) (Wenzhe Wang)
• f1b433b playground: Visualize symbol (#1886) (Dunqing)
• 3b4fe0e semantic: Allow reserved keyword defined in ts module block (#1907) (Dunqing)
• b9bdf36 semantic: Improve check super implementation, reduce access nodes (#1827) (Dunqing)
• ca04312 semantic: Add ClassTable (#1793) (Dunqing)

Refactor

• 6c5b22f semantic: Improve ClassTable implmention and merge properties and methods to elements (#1902) (Dunqing)

[0.4.0] - 2023-12-08

Features

• da87b9b prettier: Binaryish expressions with parens (#1597) (Boshen)
• 1bd1c5b prettier: Check parens for (let)[a] = 1 (#1585) (Boshen)
• f19032e prettier: Support quoteProps option in PropertyKey (#1578) (Dunqing)

Refactor

• 1a576f6 rust: Move to workspace lint table (#1444) (Boshen)

[0.3.0] - 2023-11-06

Features

• 55b2f03 minifier: Partially re-enable minifier (#963) (Boshen)
• 1661385 semantic: Check non-simple lhs expression of assignment expression (#994) (Boshen)
• 5863f8f transformer: Logical assignment operators (#923) (Boshen)
• 1051f15 transformer/jsx: Escape xhtml in jsx attributes (#1088) (Boshen)
• 1b3b100 transformer_conformance: Read plugins options from babel options.json (#1006) (Boshen)

[0.2.0] - 2023-09-14

Features

• e7c2313 ast: Add SymbolId and ReferenceId (#755) (Yunfei He)
• e090b56 minifier: Initialize conditions folding (#658) (阿良仔)
• 75d928a syntax: Add loaded_modules to ModuleRecord (Boshen)

Performance

• 6628fc8 linter: Reduce mallocs (#654) (Don Isaac)

Refactor

• 12798e0 Improve code coverage a little bit (Boshen)- fdf288c Improve code coverage in various places (#721) (Boshen)