release(crates): v0.46.0

[oxc-bot]

[0.46.0] - 2025-01-14

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

Features

• 8accfef minifier: Minify var x; void x -> void 0 (feat(minifier): minify var x; void x -> void 0 #8466) (Boshen)
• 870a583 minifier: Fold false['toString'] (feat(minifier): fold false['toString'] #8447) (Boshen)
• 4ad695d napi/minify: Implement napi (feat(napi/minify): implement napi #8478) (Boshen)
• 9d550aa span: Add Atom::r#static (feat(span): add Atom::r#static #8479) (_Kerman)

Bug Fixes

• 4071878 isolated-declarations: Retain declare declarations when they are exported (fix(isolated-declarations): retain declare declarations when they are exported #8477) (Dunqing)
• 7ee7634 isolated-declarations: Import statement disappears when import binding is referenced in nested typeof (fix(isolated-declarations): import statement disappears when import binding is referenced in nested typeof #8476) (Dunqing)
• 7252cb0 isolated-declarations: Unexpected error when global Symbol as property key (fix(isolated-declarations): unexpected error when global Symbol as property key #8475) (Dunqing)
• 4c6675c minifier: Do not convert while to fors in DCE (fix(minifier): do not convert while to fors in DCE #8484) (Boshen)
• 1d6e84d minifier: Fix incorrect null.toString() and 1n.toString() (fix(minifier): fix incorrect null.toString() and 1n.toString() #8464) (Boshen)
• 25d4bf9 minifier: Remove usage of empty spans (fix(minifier): remove usage of empty spans #8462) (Boshen)
• dd64340 minifier: Keep return undefined in async generator function (fix(minifier): keep return undefined in async generator function #8439) (Boshen)
• c444de8 transformer/arrow-functions: Transform this and super incorrectly in async arrow function (fix(transformer/arrow-functions): transform this and super incorrectly in async arrow function #8435) (Dunqing)
• 270245f transformer/typescript: Correct the semantic for TSImportEqualsDeclaration transformation (fix(transformer/typescript): correct the semantic for TSImportEqualsDeclaration transformation #8463) (Dunqing)
• 2a400d6 transformer/typescript: Retain TSImportEqualsDeclaration when it is exported (Dunqing)
• ab694b0 transformer/typescript: Retain TSImportEqualsDeclaration in namespace when its binding has been referenced or onlyRemoveTypeImports is true (fix(transformer/typescript): retain TSImportEqualsDeclaration in namespace when its binding has been referenced or onlyRemoveTypeImports is true #8458) (Dunqing)

Performance

• 7a8200c mangler: Allocate base54 name without heap allocation (perf(mangler): allocate base54 name without heap allocation #8472) (Boshen)
• 31dac22 mangler: Allocate data in arena (perf(mangler): allocate data in arena #8471) (Boshen)
• 8fc238a minifier: Merge Normalize and RemoveSyntax pass (perf(minifier): merge Normalize and RemoveSyntax pass #8467) (Boshen)
• 372eb09 minifier: Preallocate mangler's semantic data (perf(minifier): preallocate mangler's semantic data #8451) (Boshen)

Refactor

• 6e64eef codegen: Remove match_expression! (refactor(codegen): remove match_expression! #8450) (Boshen)
• de5b288 span: Rename Atom::new_const method (refactor(span): rename Atom::new_const method #8480) (overlookmotel)
• c83ce5c transformer/typescript: Improve transforming namespace (refactor(transformer/typescript): improve transforming namespace #8459) (Dunqing)

[graphite-app]

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[github-actions]

Monitor Oxc

suite	result
Isolated Declarations	✅
(codegen)	✅
(compressor)	❌
(dce)	❌
(transformer)	❌
(mangler)	✅
(whitespace)	✅

[codspeed-hq]

CodSpeed Performance Report

Merging #8487 will not alter performance

_{Comparing release/crates-1736854692 (1af42fc) with main (270245f)}

Summary

✅ 32 untouched benchmarks