oxc-project__oxc/crates/oxc_span/CHANGELOG.md

Changelog

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

The format is based on Keep a Changelog.

[0.141.0] - 2026-07-20

⚡ Performance

• ba65790 semantic, allocator: Branchless clone_in for semantic IDs (#24564) (overlookmotel)

[0.136.0] - 2026-06-15

⚡ Performance

• da1a6c6 diagnostics: Migrate to allocation-optimized oxc-miette (#23094) (Boshen)

[0.125.0] - 2026-04-13

💥 BREAKING CHANGES

• 382958a span: [BREAKING] Remove re-exports of string types from oxc_span crate (#21246) (overlookmotel)
• c4aedfa str: [BREAKING] Add static_ident! macro (#21245) (overlookmotel)

⚡ Performance

• 8c51121 napi/parser, linter/plugins: Raw transfer deserialize Span fields as i32s (#21135) (overlookmotel)

[0.123.0] - 2026-03-30

📚 Documentation

• a147878 span: Remove Atom from README (#20836) (overlookmotel)

[0.116.0] - 2026-03-02

🚀 Features

• 655c38f semantic: Add "did you mean?" suggestions to undefined name errors (#19102) (copilot-swe-agent)

[0.114.0] - 2026-02-16

🚀 Features

• ebb80b3 ast: Add node_id field to all AST struct nodes (#18138) (Boshen)

📚 Documentation

• 569aa61 rust: Add missing rustdocs and remove missing_docs lint attrs (#19306) (Boshen)

[0.113.0] - 2026-02-10

💥 BREAKING CHANGES

• 48b0542 span: [BREAKING] SourceType::ts should set module to unambigious (#18873) (Boshen)

🚀 Features

• 18320c6 span: Store file extension in SourceType (#18893) (Boshen)

[0.111.0] - 2026-01-26

💥 BREAKING CHANGES

• 777fc40 ast: [BREAKING] Add Ident type (#18354) (Boshen)
• af0ca46 span: [BREAKING] Use ModuleKind::CommonJS for SourceType::cjs() (#18276) (sapphi-red)

[0.109.0] - 2026-01-19

💥 BREAKING CHANGES

• ba9c750 span: [BREAKING] Use ModuleKind::CommonJS for .cjs and .cts file extensions (#18117) (Boshen)

🚀 Features

• 66b8c02 parser: Implement unambiguous module parsing for JS/TS files (#18124) (Boshen)
• 08dad63 span: Add sourceType: 'commonjs' support (#18089) (Boshen)

[0.104.0] - 2025-12-19

🚀 Features

• 5586823 span: Extract TS declaration file check to its own function (#17037) (camchenry)

[0.100.0] - 2025-12-01

⚡ Performance

• cc2f352 span: Add #[inline] to Atom methods (#16311) (overlookmotel)
• ffca070 span: Add #[repr(transparent)] to Atom (#16310) (overlookmotel)

[0.99.0] - 2025-11-24

🚀 Features

• 6cff132 span: Add Span::merge_within method (#15869) (sapphi-red)

[0.97.0] - 2025-11-11

📚 Documentation

• 3dc24b5 linter,minifier: Always refer as "ES Modules" instead of "ES6 Modules" (#15409) (sapphi-red)

[0.91.0] - 2025-09-22

💼 Other

• fb347da crates: V0.91.0 (#13961) (Boshen)

[0.88.0] - 2025-09-15

🐛 Bug Fixes

• ab51394 raw_transfer: Disable layout assertions on some 32-bit platforms (#13716) (overlookmotel)

🚜 Refactor

• babbaca all: Remove pub from modules with no exports (#13618) (overlookmotel)

[0.80.0] - 2025-08-03

🚀 Features

• 43eb80d span: Add move_right and move_left (#12646) (Sysix)

📚 Documentation

• de1de35 rust: Add comprehensive README.md documentation for all Rust crates (#12706) (Copilot)

[0.77.2] - 2025-07-17

🐛 Bug Fixes

• dac4db9 linter/exhaustive-deps: Better diagnostics for missing dependencies (#12337) (Don Isaac)

[0.75.1] - 2025-07-03

🐛 Bug Fixes

• d7076b3 ast/estree: Add optional range field to Span in TS type defs (#12014) (overlookmotel)

🚜 Refactor

• 016634f ast/estree: Introduce serialize_span method (#12013) (overlookmotel)

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.

[0.72.3] - 2025-06-06

Features

• 590b809 span: Add Atom::from_cow_in method (#11480) (overlookmotel)

[0.72.0] - 2025-05-24

• c16ea02 allocator: [BREAKING] Remove String (#11262) (overlookmotel)

Features

• 4feeeee span: Add Atom::from_strs_array_in method (#11261) (overlookmotel)

Refactor

• f406202 ast, span: Use StringBuilder instead of String (#11258) (overlookmotel)

[0.71.0] - 2025-05-20

• 5d9344f rust: [BREAKING] Clippy avoid-breaking-exported-api = false (#11088) (Boshen)

Documentation

• 8570211 span: Fix incorrect comments for functions (#11138) (Ulrich Stark)

Refactor

[0.70.0] - 2025-05-15

• 4e5c73b span: [BREAKING] SourceType::from_path(".js") return js instead of jsx (#11038) (Boshen)

Bug Fixes

Performance

• c50b1a5 span: Faster conversion of path/extension to SourceType (#10996) (overlookmotel)

Refactor

• 567368e span: Remove source_type module (#11024) (overlookmotel)

Styling

• ff4d160 span: List exports individually (#11025) (overlookmotel)

[0.69.0] - 2025-05-09

Features

• d066516 ast_tools: Support #[estree(prepend_to)] (#10849) (overlookmotel)

Refactor

• b16331e ast/estree: Generalize concatenating fields with Concat2 (#10848) (overlookmotel)

Styling

• 62c3a4a ast_tools: Add full stop to end of generated comments (#10809) (overlookmotel)

[0.68.0] - 2025-05-03

Features

• 0105253 span: Introduce format_atom! macro (#10722) (overlookmotel)

Bug Fixes

• 48c542d linter: Skip linting vue <script> where lang is not js / ts (#10740) (Boshen)

[0.63.0] - 2025-04-08

Bug Fixes

• 52f2a40 span/estree: Skip ModuleKind::Unambiguous varient for estree (#10146) (Dunqing)

[0.62.0] - 2025-04-01

Features

• 8cd7430 allocator: TakeIn trait (#9969) (overlookmotel)

Refactor

• d8e49a1 linter: Compute lintable extensions at compile time (#10090) (camchenry)

[0.56.4] - 2025-03-07

Refactor

• 62bffed rust: Allow a few annoying clippy rules (#9588) (Boshen)

[0.54.0] - 2025-03-04

Features

• a9f0d2b ast_tools: Generate field offset assertions for more types (#9449) (overlookmotel)

Performance

• b0a0a82 ast/estree: Reduce overhead serializing static strings (#9396) (overlookmotel)

Refactor

• dcff40c ast_tools: Generate layout assertions in multiple crates (#9448) (overlookmotel)

[0.53.0] - 2025-02-26

Refactor

• 55ed1df ast/estree: Shorten ESTree impls for enums (#9275) (overlookmotel)

[0.52.0] - 2025-02-21

• 216b33f ast/estree: [BREAKING] Replace serde with custom ESTree serializer (#9256) (overlookmotel)

Features

• 124b3cb ast_tools: Add #[builder(skip)] attribute for structs and enums (#9205) (overlookmotel)

Documentation

• 3414824 oxc: Enable clippy::too_long_first_doc_paragraph (#9237) (Boshen)

Refactor

• 007c857 span: Manually derive Deserialize for CompactStr (#9249) (overlookmotel)
• be27164 span: Implement Serialize manually for Atom (#9196) (overlookmotel)

[0.49.0] - 2025-02-10

• b7ff7e1 span: [BREAKING] Export ContentEq trait from root of oxc_span crate (#8869) (overlookmotel)

Bug Fixes

• 7e6a537 ast: Include directives in body (#8981) (hi-ogawa)
• 81bed37 span: f64::content_eq return false for 0 and -0 (#9007) (overlookmotel)

Refactor

• c58f785 ast: Simplify serializing SourceType (#8936) (overlookmotel)
• cbb4e9c ast: Generated Serialize impls flatten struct fields (#8904) (overlookmotel)
• caa651c ast: #[content_eq(skip)] attr (#8875) (overlookmotel)
• 7ddd219 ast: Rename #[estree(always_flatten)] attr to #[estree(flatten)] (#8871) (overlookmotel)
• abfe5bf ast: Shorten generated code for numbers (#8864) (overlookmotel)
• f69de07 ast: Remove unneeded lint attrs from generated code (#8862) (overlookmotel)
• e930cae span: Combine Span type and impls in 1 file (#8900) (overlookmotel)

Styling

• a4a8e7d all: Replace #[allow] with #[expect] (#8930) (overlookmotel)

[0.48.2] - 2025-02-02

Refactor

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

[0.48.0] - 2025-01-24

• 54d0fac span: [BREAKING] Remove PartialEq impl for &Atom (#8642) (overlookmotel)

Refactor

• b8d9a51 span: Deal only in owned Atoms (#8641) (overlookmotel)
• 20f52b1 span: Remove unnecessary lifetimes on Atom impls (#8639) (overlookmotel)
• ac4f98e span: Derive Copy on Atom (#8596) (branchseer)

[0.47.0] - 2025-01-18

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

Features

Performance

• 63eb298 span: Compare Spans as single u64s (#8300) (overlookmotel)
• a43560c span: Hash Span as a single u64 (#8299) (overlookmotel)
• 3fff7d2 span: Align Span same as usize (#8298) (overlookmotel)

Refactor

• ac05134 allocator: String type (#8568) (overlookmotel)
• b5ed58e span: All methods take owned Span (#8297) (overlookmotel)

[0.46.0] - 2025-01-14

Features

• 9d550aa span: Add Atom::r#static (#8479) (_Kerman)

Refactor

• de5b288 span: Rename Atom::new_const method (#8480) (overlookmotel)

[0.45.0] - 2025-01-11

Styling

• e81f34f span: Reformat code (#8296) (overlookmotel)

[0.44.0] - 2024-12-25

Features

• 11c4bd8 span: Implement source type {file basename}.d.{extension}.ts (#8109) (Boshen)

[0.42.0] - 2024-12-18

Features

• c30a982 span: Add impl From<ArenaString> for Atom (#7973) (overlookmotel)

Refactor

• 3858221 global: Sort imports (#7883) (overlookmotel)

Styling

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

[0.41.0] - 2024-12-13

Features

• 8991f33 ast: Add visit_span to Visit and VisitMut (#7816) (overlookmotel)

[0.39.0] - 2024-12-04

Bug Fixes

• b553d6f span: Fix clippy warning (#7591) (overlookmotel)

Refactor

• 823353a linter: Clean up APIs for ModuleRecord (#7556) (Boshen)

[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

• 9725e3c ast_tools: Add #[estree(always_flatten)] to Span (#6935) (ottomated)
• 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

Documentation

• 85d5220 span: Enhance Span documentation (#6707) (DonIsaac)

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)

Testing

• d4a2529 span: Add Span::is_empty unit tests (#6706) (Don Isaac)

[0.32.0] - 2024-10-19

Features

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

Documentation

• de22b81 data-structures: Enable lint warnings on missing docs, and add missing doc comments (#6612) (DonIsaac)
• 9e9fa9e span: Enable lint warnings on missing docs (#6617) (overlookmotel)
• 6a194f9 span: Document validity of ModuleKind::Unambiguous (#6423) (Boshen)

Refactor

• 3faee66 span: Remove unused ContentHash::content_hash_slice (#6609) (DonIsaac)

[0.30.4] - 2024-09-28

Bug Fixes

• fd6798f parser: Remove unintended pub Kind (#6109) (Boshen)

[0.30.0] - 2024-09-23

Features

• a5f2e9a span: Impl From<Atom<'a>> for Atom (#5809) (DonIsaac)
• a07f03a transformer: Sync Program::source_type after transform (#5887) (Boshen)

[0.28.0] - 2024-09-11

• 4a8aec1 span: [BREAKING] Change SourceType::js to SourceType::cjs and SourceType::mjs (#5606) (Boshen)

• 603817b oxc: [BREAKING] Add SourceType::Unambiguous; parse .js as unambiguous (#5557) (Boshen)

Features

• b3cbd56 span: format_compact_str! macro (#5610) (overlookmotel)

Bug Fixes

• 28b934c coverage: Apply always_strict to test262 and typescript per the specifcation (#5555) (Boshen)
• f49e6eb span: Treat .js as module file (reverts the previous breaking change) (#5612) (Boshen)

Refactor

• 3d190a5 span: Move CompactStr into separate file (#5609) (overlookmotel)
• 5532628 span: Put types and impl in the same mod file (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)

Documentation

• 3f204a9 span: Update docs about ContentEq Vec comparison speed (#5478) (overlookmotel)

Refactor

• 9f6e0ed ast: Simplify ContentEq trait definition. (#5468) (rzvxa)
• 94a6ac6 span: Use Hasher from std (#5476) (overlookmotel)

[0.26.0] - 2024-09-03

Features

• f81e8a1 linter: Add oxc/no-async-endpoint-handlers (#5364) (DonIsaac)
• 1b20ceb span: Add CompactStr::to_compact_string method (#5385) (Boshen)
• 5a137f0 span/source-type: Add SourceType factory methods (#5242) (DonIsaac)
• f5e05db span/source-type: Impl Display and Error for UnknownExtension (#5240) (DonIsaac)

Bug Fixes

• a6bb3b1 span/source-type: Consider .cjs and .cts files as ModuleKind::Script (#5239) (DonIsaac)

Refactor

• 94f60e7 span/source-type: Make SourceType factories const (#5241) (DonIsaac)

[0.25.0] - 2024-08-23

Refactor

• 7706523 span: Clarify Atom conversion methods lifetimes (#4978) (overlookmotel)

[0.24.3] - 2024-08-18

Refactor

• 90d0b2b allocator, ast, span, ast_tools: Use allocator as var name for Allocator (#4900) (overlookmotel)

[0.24.2] - 2024-08-12

Refactor

• 096ac7b linter: Clean up jsx-a11y/anchor-is-valid (#4831) (DonIsaac)

[0.24.1] - 2024-08-10

Features

• b3c3125 linter: Overhaul unicorn/no-useless-spread (#4791) (DonIsaac)

[0.24.0] - 2024-08-08

Features

• 54047e0 ast: GetSpanMut trait (#4609) (overlookmotel)
• 07607d3 ast_codegen, span: Process Span through ast_codegen (#4703) (overlookmotel)
• 125c5fd ast_codegen, span: Process SourceType through ast_codegen. (#4696) (rzvxa)
• 2e63618 span: Implement CloneIn for the AST-related items. (#4729) (rzvxa)

Performance

• 6ff200d linter: Change react rules and utils to use Cow and CompactStr instead of String (#4603) (DonIsaac)

Refactor

• e1429e5 span: Reduce #[cfg_attr] boilerplate in type defs (#4702) (overlookmotel)

[0.23.1] - 2024-08-06

Features

• 54047e0 ast: GetSpanMut trait (#4609) (overlookmotel)

Performance

• 6ff200d linter: Change react rules and utils to use Cow and CompactStr instead of String (#4603) (DonIsaac)

[0.22.1] - 2024-07-27

Features

• e2735ca span: Add contains_inclusive method (#4491) (DonIsaac)

[0.22.0] - 2024-07-23

Bug Fixes

• ea33f94 Impl PartialEq for CompactStr (#4352) (DonIsaac)

Performance

• a207923 Replace some CompactStr usages with Cows (#4377) (DonIsaac)

[0.18.0] - 2024-07-09

Features

• 44c7fe3 span: Add various implementations of FromIn for Atom. (#4090) (rzvxa)

[0.16.1] - 2024-06-29

Refactor

• 2705df9 linter: Improve diagnostic labeling (#3960) (DonIsaac)

[0.14.0] - 2024-06-12

Features

• 129f91e span: Port over more methods from TextRange (#3592) (Don Isaac)

Bug Fixes

• d65202d span: Correct doc comments (#3608) (overlookmotel)
• 9e8f4d6 transformer: Do not add __source for generated nodes (#3614) (overlookmotel)

Refactor

• f98f777 linter: Add rule fixer (#3589) (Don Isaac)

[0.13.4] - 2024-06-07

Performance

• 9f467b8 transformer: Avoid fragment update where possible (#3535) (overlookmotel)

Documentation

• 1d3c0d7 span: Add doc comments to oxc_span::Span (#3543) (Don Isaac)

[0.13.2] - 2024-06-03

Features

• 679495c atom: Get &str from Atom<'a> with lifetime of 'a (#3420) (Don Isaac)

[0.13.0] - 2024-05-14

Features

• a52e321 transformer/jsx-source: Get the correct lineNumber and columnNumber from the span. (#3142) (Dunqing)

Refactor

• c84c116 ast: Add is_strict methods (#3227) (overlookmotel)
• 2064ae9 parser,diagnostic: One diagnostic struct to eliminate monomorphization of generic types (#3214) (Boshen)

[0.12.5] - 2024-04-22

Refactor

• 27102df napi: Remove unnecessary custom Serialize impl for Atom (#3041) (overlookmotel)

[0.10.0] - 2024-03-14

Features

• 8b3de77 span: impl<'a> PartialEq<str> for Atom<'a> (#2649) (Boshen)
• 4f9dd98 span: Remove From<String> and From<Cow> API because they create memory leak (#2628) (Boshen)- 697b6b7 Merge features serde and wasm to serialize (#2716) (Boshen)- 265b2fb Miette v7 (#2465) (Boshen)

Refactor

• cba1e2f ast: Import Tsify to shorten code (#2665) (overlookmotel)
• 6b5723c ast: Shorten manual TS defs (#2638) (overlookmotel)
• 75ae563 span: Change shape of Language (#2680) (overlookmotel)
• b2de57a span: Simplify Atom (#2630) (overlookmotel)
• cb4e054 span: Remove Atom::Compact variant (#2629) (Boshen)
• 798a6df span: Disallow struct expression constructor for Span (#2625) (Boshen)- 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)- 8001b2f Make CompactStr immutable (#2620) (overlookmotel)- 0646bf3 Rename CompactString to CompactStr (#2619) (overlookmotel)

[0.9.0] - 2024-03-05

Refactor

• 27052eb span: Remove AtomImpl (#2525) (Boshen)
• 903f17c span: Move base54 method to mangler (#2523) (Boshen)- c56b6cb Replace InlinableString with CompactString for Atom (#2517) (Boshen)

[0.7.0] - 2024-02-09

Features

• 6002560 span: Fix memory leak by implementing inlineable string for oxc_allocator (#2294) (Boshen)

[0.6.0] - 2024-02-03

Features

• cd5026c ast: TypeScript definition for wasm target (#2158) (Nicholas Roberts)

[0.4.0] - 2023-12-08

Refactor

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

[0.3.0] - 2023-11-06

Features

• d8f07ca linter: Support react/no-render-return-value (#1042) (Dunqing)

Refactor

• d9ba532 transformer: Add an empty SPAN utility for creating AST nodes (#1067) (Boshen)

Testing

• b4b39b8 semantic: Add scoping test cases (#954) (Don Isaac)

[0.2.0] - 2023-09-14

Features

• 027a67d minifier: Constant addition expression folding (#882) (Don Isaac)

Refactor

• fdf288c Improve code coverage in various places (#721) (Boshen)