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oxc-project__oxc/crates/oxc_data_structures/CHANGELOG.md
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oxc-guard[bot] 8e0ed2ebb9 release(crates): oxc v0.140.0 (#24453) 
### 🚀 Features

- 616bfa2 minifier: Remove unreachable code after terminating statements
(#24441) (Dunqing)
- ddab89a data_structures: Add `likely` and `unlikely` functions
(#24368) (overlookmotel)
- a3a39f9 react_compiler: Implement enableEmitHookGuards codegen
(#24329) (Boshen)
- b79eef7 minifier: Apply De Morgan's law to negated comparison chains
in jump guards and loop tests (#24279) (Dunqing)
- 34ff7b4 minifier: Drop write-only property assignments to unused local
bindings by default (#24112) (Dunqing)
- 1b829d8 semantic: Record const enums in EnumData (#24268) (Dunqing)
- ba0944c semantic: Add `Scoping::set_symbol_span` (#24221) (camc314)

### 🐛 Bug Fixes

- 7d33363 minifier: Preserve guaranteed throws from class heritage
evaluation (#24349) (Dunqing)
- 058a62f semantic: Track ambient contexts in `SemanticBuilder` (#24327)
(camc314)
- 721eb0b transformer/decorator: Scope accessor class binding (#24330)
(camc314)
- 1ebdce3 semantic: Allow reserved keywords in ambient declaration types
(#24325) (camc314)
- 460176a track-memory-allocations: Exclude arena chunks from Sys allocs
(#24292) (Dunqing)
- af4922b transformer: Clear lowered namespace redeclarations (#24300)
(camc314)
- ffd2765 semantic: Mark declared computed `MethodDefinition`s as type
references (#24296) (camc314)
- f17514b isolated-declarations: Emit const readonly fields as types
(#24288) (camc314)
- 40f769d minifier: Make `__proto__` write tracking execution-order
independent (#24280) (Dunqing)
- 6371fed transformer: Remove stale enum member bindings (#24272)
(camc314)
- f05dfab transformer: Correct symbol flags for lowered namespaces
(#24271) (Dunqing)
- 84eeb55 transformer: Correct symbol flags for lowered enums (#24269)
(Dunqing)
- c3057da transformer: Preserve generated class binding spans (#24220)
(camc314)
- 8260096 transformer: Correct span for lowered namespace symbol
(#24222) (camc314)
- 42d00d3 semantic: Mark declared class heritage as type references
(#24237) (camc314)
- 588d997 semantic: Mark TS `PropertyDefinition`s computed fields as
type references (#24233) (camc314)
- 9b95632 semantic: Mark computed method keys in `TSMethodSignature`s as
type references (#24232) (camc314)

### ⚡ Performance

- 5b26643 transformer_plugins: Dispatch global defines by trailing name
(#23666) (Boshen)
- dce0f29 react_compiler: Replace all compiled functions in a single AST
walk (#24403) (Boshen)
- f85f0d8 ast: Delegate inherited enum variants in clone_in and estree
derives (#23555) (Boshen)
- 3ff0234 allocator: Remove `unwrap` from `ReplaceWith` (#24365)
(overlookmotel)
- ab22e80 transformer: Fix Rust 1.97 performance regression (#24354)
(camc314)
- b47585c parser: Use `ReplaceWith` instead of `TakeIn` (#24018)
(overlookmotel)
- b227a06 minifier: Use `ReplaceWith` instead of `TakeIn` (#24017)
(overlookmotel)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2026-07-14 15:02:22 +08:00

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# Changelog
All notable changes to this package will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
## [0.140.0] - 2026-07-13
### 🚀 Features
- ddab89a data_structures: Add `likely` and `unlikely` functions (#24368) (overlookmotel)
## [0.139.0] - 2026-07-06
### 🚀 Features
- 2e62012 data_structures: Add `StringExt` trait (#24006) (overlookmotel)
## [0.137.0] - 2026-06-18
### 🚀 Features
- 556cc6d data_structures: Add `CodeBuffer::as_str` method (#23571) (overlookmotel)
### 📚 Documentation
- f68641e data_structures: Improve docs on safety contract (#23575) (overlookmotel)
## [0.128.0] - 2026-04-27
### 📚 Documentation
- ce65070 data_structures: Document why `as_ref` and `as_mut` on `NonNullConst` and `NonNullMut` take `self` (#21800) (overlookmotel)
## [0.126.0] - 2026-04-15
### 🚀 Features
- 24b03de data_structures: Introduce `NonNullConst` and `NonNullMut` pointer types (#21425) (overlookmotel)
## [0.124.0] - 2026-04-06
### 📚 Documentation
- b1da750 allocator, data_structures: Correct comments (#20966) (overlookmotel)
## [0.116.0] - 2026-03-02
### 🚀 Features
- b3dceae data_structures: Add `fieldless_enum!` macro (#19876) (overlookmotel)
- 4699498 data_structures: Add `CodeBuffer::print_strs_array` (#19760) (overlookmotel)
### 🐛 Bug Fixes
- 93bb861 formatter: Trim trailing whitespace before breaking line (#19740) (leaysgur)
## [0.115.0] - 2026-02-23
### 🚀 Features
- e814049 oxc_data_structure/rope: Add `get_offset_from_line_and_column` (#18133) (Sysix)
## [0.114.0] - 2026-02-16
### 📚 Documentation
- 569aa61 rust: Add missing rustdocs and remove missing_docs lint attrs (#19306) (Boshen)
## [0.105.0] - 2025-12-22
### 🚀 Features
- 36e08ef data_structures: Implement conversion traits for stack types (#17141) (overlookmotel)
- 0e177f4 data_structures: Implement `Send` and `Sync` for stack types (#17135) (overlookmotel)
## [0.99.0] - 2025-11-24
### 📚 Documentation
- c81a331 data_structures: Doc comments on fields of `Stack` (#15793) (overlookmotel)
## [0.93.0] - 2025-09-28
### 🚀 Features
- 1521a1f data_structures: Add `Stack::clear` (#14028) (sapphi-red)
## [0.91.0] - 2025-09-22
### 🚀 Features
- f8feed1 data_structures: Add `advance_to_end` method to `SliceIter` trait (#13947) (overlookmotel)
### 💼 Other
- fb347da crates: V0.91.0 (#13961) (Boshen)
## [0.91.0] - 2025-09-21
### 🚀 Features
- f8feed1 data_structures: Add `advance_to_end` method to `SliceIter` trait (#13947) (overlookmotel)
## [0.88.0] - 2025-09-15
### 💥 BREAKING CHANGES
- e433633 data_structures: [**BREAKING**] Make `NonEmptyStack::is_empty` a compile-time error (#13673) (overlookmotel)
### 🚀 Features
- 1a58e99 data_structures: Add `is_exhausted` method to `NonEmptyStack` and `SparseStack` (#13672) (overlookmotel)
- 2db32eb data_structures: Add `boxed_slice!` and `boxed_array!` macros (#13596) (overlookmotel)
## [0.87.0] - 2025-09-08
### 🐛 Bug Fixes
- 34d3cde rust: Fix clippy issues (#13540) (Boshen)
## [0.86.0] - 2025-08-31
### 💥 BREAKING CHANGES
- edeebc6 data_structures: [**BREAKING**] Rename `SliceIterExt` to `SliceIter` (#13439) (overlookmotel)
### 🚀 Features
- d0479e9 data_structures: Add `as_mut_slice` method to `IterMut` via `SliceIterMutExt` trait (#13437) (overlookmotel)
- 5b139aa data_structures: Add `ptr` and `end_ptr` methods to `SliceIterExt` (#13435) (overlookmotel)
- d8b027f data_structures: Add `SliceIterExt::peek` method (#13434) (overlookmotel)
### 🚜 Refactor
- 51919c2 data_structures: Rename lifetime in `SliceIterExt` (#13433) (overlookmotel)
### ⚡ Performance
- 475205f data_structures: Reduce `IterMut::advance_unchecked` to 1 instruction (#13438) (overlookmotel)
## [0.82.0] - 2025-08-12
### 💥 BREAKING CHANGES
- 128b527 data_structures: [**BREAKING**] Remove `PointerExt` trait (#12903) (overlookmotel)
### 📚 Documentation
- bb7838d data_structures: Add stacks to README (#12904) (overlookmotel)
## [0.81.0] - 2025-08-06
### ⚡ Performance
- e8ac1a5 codegen: Write indent in chunks of 32 bytes (#12745) (overlookmotel)
## [0.80.0] - 2025-08-03
### 🚀 Features
- af4d558 codegen: Add options to control indentation (#12691) (Copilot)
### 📚 Documentation
- 45e2fe8 rust: Fix typos and grammar mistakes in Rust documentation comments (#12715) (Copilot)
- de1de35 rust: Add comprehensive README.md documentation for all Rust crates (#12706) (Copilot)
## [0.77.1] - 2025-07-16
### 🚀 Features
- 7cb4d22 data_structures: `SliceIterExt` extension trait (#12294) (overlookmotel)
# Changelog
All notable changes to this package will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project does not adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) until v1.0.0.
## [0.71.0] - 2025-05-20
- 5d9344f rust: [**BREAKING**] Clippy avoid-breaking-exported-api = false (#11088) (Boshen)
### Features
- c79a7d0 data_structures: Introduce `PointerExt` trait (#11095) (overlookmotel)
### Performance
- f8fac4e data_structures: Inline all methods in `PointerExt` (#11149) (overlookmotel)
### Refactor
- bb8bde3 various: Update macros to use `expr` fragment specifier (#11113) (overlookmotel)
## [0.69.0] - 2025-05-09
### Features
- 05bf1be data_structures: Add `InlineString::as_mut_str` method (#10856) (overlookmotel)
### Performance
- 2d4b8c9 data_structures: Optimize `InlineString` (#10850) (overlookmotel)
## [0.61.0] - 2025-03-20
### Features
- 38ad787 data_structures: Add `assert_unchecked!` macro (#9885) (overlookmotel)
### Testing
- 9314147 data_structures: Enable doc tests for `oxc_data_structures` crate (#9884) (overlookmotel)
## [0.60.0] - 2025-03-18
- b3ce925 data_structures: [**BREAKING**] Put all parts behind features (#9849) (overlookmotel)
### Features
## [0.55.0] - 2025-03-05
### Features
- 29041fb data_structures: Move `InlineString` into `oxc_data_structures` crate (#9549) (overlookmotel)
## [0.53.0] - 2025-02-26
### Features
- f21740e data_structures: Add `CodeBuffer::print_bytes_iter_unchecked` method (#9337) (overlookmotel)
### Bug Fixes
- 54d59f1 data_structures: Stack types correctly report allocation size if allocation failure during grow (#9317) (overlookmotel)
### Documentation
- 8bd3e39 data_structures: Uppercase SAFETY comments (#9330) (overlookmotel)
### Refactor
- 9d98444 codegen, data_structures: Move `CodeBuffer` into `oxc_data_structures` crate (#9326) (overlookmotel)
- 6a4e892 data_structures: Add debug assertion to `CodeBuffer::peek_nth_char_back` and improve safety docs (#9336) (overlookmotel)
- fc46218 data_structures: `CodeBuffer::print_str` use `Vec::extend_from_slice` (#9332) (overlookmotel)
- 690bae5 data_structures: Stack types const assert `T` is not zero-size type (#9318) (overlookmotel)
- 10ba2ea data_structures: Reduce scope of `unsafe` blocks (#9316) (overlookmotel)
- beb8382 data_structures: `CodeBuffer::print_bytes_unchecked` take a byte slice (#9327) (overlookmotel)
## [0.49.0] - 2025-02-10
- bec8fee data_structures: [**BREAKING**] Rename `Stack::last_unchecked_mut` method (#8911) (overlookmotel)
### Features
- 0a74cf5 data_structures: Add `first` and `first_mut` methods to stack types (#8908) (overlookmotel)
### Documentation
- f6b6e70 data_structures: Correct doc comments for `SparseStack` (#8907) (overlookmotel)
### Refactor
### Testing
- 2d06260 data_structures: Add tests for `NonEmptyStack::as_slice` and `as_slice_mut` (#8912) (overlookmotel)
## [0.45.0] - 2025-01-11
### Documentation
- e0a09ab data_structures: Improve docs for stack types (#8356) (overlookmotel)
### Refactor
- 9c1844a data_structures: Remove `NonNull` shim (#8423) (overlookmotel)
## [0.42.0] - 2024-12-18
### Features
- 46e2e27 data_structures: Implement `Default` for `NonEmptyStack` (#7946) (overlookmotel)
### Styling
- fb897f6 data_structures: Add line break (#7882) (overlookmotel)
- 7fb9d47 rust: `cargo +nightly fmt` (#7877) (Boshen)
## [0.40.0] - 2024-12-10
### Features
- cf2ee06 data_structures: Add rope (#7764) (Boshen)
### Styling
- e97a954 data_structures: Line breaks (#7766) (overlookmotel)
## [0.39.0] - 2024-12-04
### Features
- defaf4b data_structures: Add `SparseStack::last_mut` method (#7528) (overlookmotel)
## [0.37.0] - 2024-11-21
### Features
- d135d3e data_structures: Add methods to `SparseStack` (#7305) (overlookmotel)
## [0.35.0] - 2024-11-04
### Performance
- c58ec89 data_structures: Optimize `NonEmptyStack::pop` (#7021) (overlookmotel)
### Refactor
- b021147 data_structures: Make all methods of `NonNull` shim `#[inline(always)]` (#7024) (overlookmotel)
- fb1710a data_structures: Add `#[repr(transparent)]` to `NonNull` shim (#7023) (overlookmotel)
- f1fc8db data_structures: Add `read` method to `NonNull` shim (#7022) (overlookmotel)
## [0.32.0] - 2024-10-19
### Bug Fixes
- 7cc05f1 data_structures: Fix compilation failure on older Rust versions (#6526) (overlookmotel)
### Documentation
- de22b81 data-structures: Enable lint warnings on missing docs, and add missing doc comments (#6612) (DonIsaac)
## [0.31.0] - 2024-10-08
### Features
- 7566c2d data_structures: Add `as_slice` + `as_mut_slice` methods to stacks (#6216) (overlookmotel)
- c3c3447 data_structures: Add `oxc_data_structures` crate; add stack (#6206) (Boshen)
### Refactor
- cc57541 data_structures: `NonEmptyStack::len` hint that `len` is never 0 (#6220) (overlookmotel)
- 147a5d5 data_structures: Remove `is_empty` methods for non-empty stacks (#6219) (overlookmotel)
- 61805fd data_structures: Add debug assertion to `SparseStack` (#6218) (overlookmotel)
- dbfa0bc data_structures: Add `len` method to `StackCommon` trait (#6215) (overlookmotel)
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