## [0.51.0] - 2025-02-15
- 21a9476 ast: [**BREAKING**] Remove `TSLiteral::RegExpLiteral` (#9056)
(Dunqing)
- 9091387 ast: [**BREAKING**] Remove `TSType::TSQualifiedName` (#9051)
(Dunqing)
### Features
- f74d462 ast_tools: Introduce meta types (#9117) (overlookmotel)
- 36c8640 ecmascript: Support more string concatenation (#9121)
(sapphi-red)
- 6936b08 ecmascript: Fold `typeof` with ValueType information (#9086)
(sapphi-red)
- b25b84b minifier: Substitute redundant assignment target bindings
(#9096) (camchenry)
- 125d610 minifier: Fold String::charAt / String::charCodeAt more
precisely (#9082) (sapphi-red)
- 237ffba minifier: Fold bitwise binary expressions with negative
BigInts (#9081) (sapphi-red)
- 24830e6 minifier: Fold `a + 'a' + 1` to `a + 'a1'` (#9080)
(sapphi-red)
- b5eb6e5 minifier: Improve `remove_unused_expression` (#9071) (Boshen)
- fef82ff transformer/helper-loader: Replace `@babel/runtime` with
`@oxc-project/runtime` (#9059) (Dunqing)
### Bug Fixes
- 38f81af ast/estree: Order fields same as Acorn (#9128) (overlookmotel)
- 67f8932 ast/estree: `CatchParameter` do not include `type` and `Span`
twice (#9125) (overlookmotel)
- 1b02fe0 ast/estree: `FormalParameter` do not include `Span` twice
(#9124) (overlookmotel)
- d3b5fb0 ast/estree: Fix TS type for
`AssignmentTargetPropertyIdentifier` (#9092) (overlookmotel)
- d8d80a9 ast/estree: Fix TS types for `BigIntLiteral` and
`RegExpLiteral` (#9091) (overlookmotel)
- d9684af codegen: Fix missing StringLiteral sourcemap (#9064)
(hi-ogawa)
- eb7cd62 ecmascript: To_number for shadowed undefined (#9106)
(sapphi-red)
- 8cbdf00 ecmascript: To_boolean for shadowed undefined (#9105)
(sapphi-red)
- 17c745c ecmascript: To_string for object with toString (#9104)
(sapphi-red)
- cfc71f9 ecmascript: To_string for shadowed undefined (#9103)
(sapphi-red)
- 2ab2a8f ecmascript: Handle shadowed global variables in `ValueType`
(#9085) (sapphi-red)
- bc64c9d lexer: Fix decoding lone `\r` in template literals (#9066)
(overlookmotel)
- 2fd1589 minifier: Compress computed string literals in method/property
definitions (#9126) (camchenry)
- 0937a55 napi/parser: Utf16 span for errors (#9112) (hi-ogawa)
- 15f23f1 napi/parser: Utf16 span for module record (#9093) (hi-ogawa)
- 9edfb1d napi/parser: Fix unicode comment panic (#9084) (hi-ogawa)
- 5f15605 npm/runtime: Incorrect file paths in `exports` (#9069)
(Dunqing)
- b8278d8 parser: Parse `let _: null` as `TSNullKeyword` (#9133)
(Boshen)
### Performance
- af59945 napi/parser: Do not convert comment spans twice (#9087)
(overlookmotel)
### Documentation
- 896d770 ast: Add missing docs and fix broken code for assignment
targets (#9095) (camchenry)
### Refactor
- 08b2d80 ast/estree: Define TS types for extra fields on converters
(#9118) (overlookmotel)
- 6c5a435 ast/estree: Define types for `#[estree(add_fields)]`
converters (#9116) (overlookmotel)
- 8bd6eef ecmascript: Merge constant evaluation logics (#9120)
(sapphi-red)
- b164072 ecmascript: Extract to_numeric (#9111) (sapphi-red)
- fc53cdd ecmascript: Generalize ToPrimitive (#9109) (sapphi-red)
- d951390 ecmascript: Use value_type in to_primitive (#9108)
(sapphi-red)
- 8f79012 ecmascript: Pass IsGlobalReference to DetermineValueType
instead of extending it (#9107) (sapphi-red)
- db1744c ecmascript: Remove "constant_evaluation" / "side_effects"
features (#9114) (sapphi-red)
- 329de94 ecmascript: Extract ToPrimitive (#9102) (sapphi-red)
- d670ec7 ecmascript: Pass IsGlobalReference to MayHaveSideEffects
instead of extending it (#9101) (sapphi-red)
- f4e2d4e ecmascript: Allow IsGlobalReference to return None (#9100)
(sapphi-red)
- 29be94d minifier: Inline more minification methods (#9088) (Boshen)
- 80f719e minifier: Clean up minimize_statements.rs (#9076) (Boshen)
- d5edde0 minifier: Minimize `if (!foo) foo = bar;` -> `foo ||= bar` in
the same AST pass (#9075) (Boshen)
### Styling
- 23f53c0 syntax: Name trait method param without underscore (#9119)
(overlookmotel)
### Testing
- eaff3d9 napi/parser: Split tests for `convertSpanUtf16` (#9113)
(hi-ogawa)
Co-authored-by: Boshen <[email protected]>
