release(crates): v0.70.0

[oxc-bot]

[0.70.0] - 2025-05-15

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

Features

• 4a72b58 codegen: Print comments inside JSXEmptyExpression (feat(codegen): print comments inside JSXEmptyExpression #11022) (Boshen)
• 1673ffb codegen: Rework printing normal / legal / annotation comments (feat(codegen): rework printing normal / legal / annotation comments #10997) (Boshen)
• 647b6f3 napi: Add arm musl (feat(napi): add arm musl #10958) (Bernd Storath)

Bug Fixes

• 6f3f9d7 ast/estree: Fix raw_deser for TSMappedTypeOptional serializer (fix(ast/estree): fix raw_deser for TSMappedTypeOptional serializer #10971) (overlookmotel)
• 53329f8 ast/estree: Fix field order for FormalParameter (fix(ast/estree): fix field order for FormalParameter #10962) (overlookmotel)
• 8b8f78f ast/estree: Fix field order and type def for RestElement in FormalParameters (fix(ast/estree): fix field order and type def for RestElement in FormalParameters #10961) (overlookmotel)
• 2b76ab5 ast/estree: Fix TSModuleDeclaration raw deserializer (fix(ast/estree): fix TSModuleDeclaration raw deserializer #10924) (overlookmotel)
• 2bdb338 ast_visit: Fix visitation order for FormalParameters in Utf8ToUtf16Converter (fix(ast_visit): fix visitation order for FormalParameters in Utf8ToUtf16Converter #11019) (overlookmotel)
• 282420c ast_visit: Fix visitation order for TSTemplateLiteralType in Utf8ToUtf16Converter (fix(ast_visit): fix visitation order for TSTemplateLiteralType in Utf8ToUtf16Converter #11007) (overlookmotel)
• d0d04e3 ast_visit: Fix visitation order for BindingPattern in Utf8ToUtf16Converter (fix(ast_visit): fix visitation order for BindingPattern in Utf8ToUtf16Converter #11003) (overlookmotel)
• d036cf5 estree: Ensure the same key order for AssignmentPattern (fix(estree): Ensure the same key order for AssignmentPattern #10953) (Yuji Sugiura)
• 9a4b135 isolated-declarations: Lost leading comments of export default function/class/interface (fix(isolated-declarations): lost leading comments of export default function/class/interface #10990) (Dunqing)
• 635aa96 napi: Computed final source type from lang then sourceType (fix(napi): computed final source type from lang then sourceType #11060) (Boshen)
• 584d8b9 napi: Enable mimalloc no_opt_arch feature on linux aarch64 (fix(napi): enable mimalloc no_opt_arch feature on linux aarch64 #11053) (Boshen)
• 4c9a9b3 parser: Guard against re-lex tokens when fatal error (fix(parser): guard against re-lex tokens when fatal error #11023) (Boshen)
• 2b02d84 parser: Allow for(using using stmts (fix(parser): allow for(using using stmts #10985) (camc314)
• 126ae75 semantic: Distinguish class private elements (fix(semantic): distinguish class private elements #11044) (magic-akari)
• 6c20277 transformer: Always update jsx options from comments (fix(transformer): Always update jsx options from comments #10966) (magic-akari)
• 27a21a7 transformer/jsx: Fix parsing JSX pragma comments (fix(transformer/jsx): fix parsing JSX pragma comments #10983) (overlookmotel)
• a39eb85 transformer/legacy-decorator: Abstract class doesn't work in metadata (fix(transformer/legacy-decorator): abstract class doesn't work in metadata #10952) (Dunqing)

Performance

• a4b5716 ast/estree: Streamline raw deserializer for WithClause (perf(ast/estree): streamline raw deserializer for WithClause #10974) (overlookmotel)
• 80c2a5b parser: Use 8 bits for each Token flag (perf(parser): use 8 bits for each Token flag #11046) (overlookmotel)
• a711ff4 parser: Make Kind::Eof (default) 0 (perf(parser): make Kind::Eof (default) 0 #11014) (overlookmotel)
• cfd1ed3 parser: Explore packed tokens (perf(parser): Explore packed tokens #10933) (Tom Gasson)
• c50b1a5 span: Faster conversion of path/extension to SourceType (perf(span): faster conversion of path/extension to SourceType #10996) (overlookmotel)
• 1aed99b transformer/jsx: Use memchr for parsing JSX pragma comments (perf(transformer/jsx): use memchr for parsing JSX pragma comments #11001) (overlookmotel)

Documentation

• 206e07d ast: Fix docs for ExportSpecifier (docs(ast): fix docs for ExportSpecifier #10891) (overlookmotel)
• b23fef7 ast/estree: Standardize doc comments for ESTree serializers (docs(ast/estree): standardize doc comments for ESTree serializers #10968) (overlookmotel)
• a86cbb3 linter: Fix incorrect backticks of fenced code blocks (docs(linter): fix incorrect backticks of fenced code blocks #10947) (Ulrich Stark)

Refactor

• 6cc74ff ast/estree: Add semi-colon (refactor(ast/estree): add semi-colon #10973) (overlookmotel)
• 2958ff7 ast/estree: Rename serializers (refactor(ast/estree): rename serializers #10969) (overlookmotel)
• b8018b9 ast/estree: Split custom serializers into multiple files (refactor(ast/estree): split custom serializers into multiple files #10967) (overlookmotel)
• 08f1f3f ast/estree: Remove custom serializer for Elision (refactor(ast/estree): remove custom serializer for Elision #10965) (overlookmotel)
• d01a47b ast/estree: Simplify custom serializers for FormalParameters (refactor(ast/estree): simplify custom serializers for FormalParameters #10964) (overlookmotel)
• bfc6b9a ast/estree: Rename custom serializers for fields containing FormalParameters (refactor(ast/estree): rename custom serializers for fields containing FormalParameters #10963) (overlookmotel)
• c1e6c9b ast_macros: Move logic out of generated code (refactor(ast_macros): move logic out of generated code #11049) (overlookmotel)
• 2a403cb ast_macros: Rename generated file (refactor(ast_macros): rename generated file #11047) (overlookmotel)
• 287b3c3 ast_visit: Descriptive method param names in Utf8ToUtf16Converter (refactor(ast_visit): descriptive method param names in Utf8ToUtf16Converter #10987) (overlookmotel)
• 9225bde codegen: Make Statement::Gen code more compact (refactor(codegen): make Statement::Gen code more compact #10937) (Boshen)
• 47c624b lexer: Re-order Token methods (refactor(lexer): re-order Token methods #11040) (overlookmotel)
• c0b68eb lexer: Harden safety of transmute (refactor(lexer): harden safety of transmute #11013) (overlookmotel)
• 54bfb4b lexer: Tidy tests for Token (refactor(lexer): tidy tests for Token #11011) (overlookmotel)
• de3035a parser: Token::set_has_separator take bool (refactor(parser): Token::set_has_separator take bool #11041) (overlookmotel)
• 919cc59 parser: Make ParserImpl::asi implementation more compact (refactor(parser): make ParserImpl::asi implementation more compact #11037) (Boshen)
• 751876b parser: Rewrite parse class element (refactor(parser): rewrite parse class element #11035) (Boshen)
• b526da9 parser: Make Token fields private (refactor(parser): make Token fields private #10936) (Boshen)
• c993edd parser/lexer: Shorten code (refactor(parser/lexer): shorten code #10999) (overlookmotel)
• 567368e span: Remove source_type module (refactor(span): remove source_type module #11024) (overlookmotel)

Styling

• 6d4936f ast/estree: Reformat raw_deser code (style(ast/estree): reformat raw_deser code #10972) (overlookmotel)
• c049765 lexer: Reformat comments (style(lexer): reformat comments #11012) (overlookmotel)
• ff4d160 span: List exports individually (style(span): list exports individually #11025) (overlookmotel)

Testing

• a05361e ast/estree: Check span offsets are converted in ascending order in ESTree conformance tests (test(ast/estree): check span offsets are converted in ascending order in ESTree conformance tests #10887) (overlookmotel)
• 6540f44 transformer/jsx: Fix tests for JSX pragma parsing (test(transformer/jsx): fix tests for JSX pragma parsing #11000) (overlookmotel)

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[github-actions]

Monitor Oxc

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

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #11061 will not alter performance

_{Comparing release/crates-1747316892 (b55d071) with main (635aa96)}

Summary

✅ 36 untouched benchmarks