[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@swc-next/parser (source)	0.3.2 → 0.4.0

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Release Notes

swc-project/swc-next (@​swc-next/parser)

v0.4.0

Compare Source

🚀 Features

• Add standalone JavaScript AST walker package (#​840)
• (walker) Re-export from core and document the complete walker API (#​1069)
• (ast) Add program scope ID helper (#​1089)
• (ast) Re-export Idx for downstream use (#​1091)

🐛 Bug Fixes

• (parser) Validate import type qualifiers (#​999)
• (codegen) Stabilize parenthesized leading comments (#​963)
• (parser) Recover uncomputed template enum member names (#​961)
• (parser) Preserve arrow and yield expression boundaries
• (parser) Reject invalid TypeScript literal types (#​1002)
• (parser) Preserve array pattern elements after rest (#​960)
• (type-strip) Avoid stack overflow on expression chains (#​1059)
• (isolated-declarations) Omit directive prologues (#​1060)
• (parser) Reject non-identifier tokens before decoding binding names (#​1061)
• (website) Respect system theme and align site icons (#​1074)
• (type-strip) Erase TypeScript declarations as whole statements (#​1070)
• (parser) Validate variable definite assignment assertions (#​1077)
• (semantic) Instantiate namespaces containing directives (#​1078)
• (encoder) Preserve lone surrogates in AST transfers (#​1085)
• (codegen) Correct source map positions (#​1119)

🚜 Refactor

• (type-strip) Define dedicated options (#​1087)
• (semantic) Replace legacy name resolver with semantic analysis (#​1090)
• (semantic) Simplify semantic construction (#​1093)
• (allocator) Adopt explicit arena vector types (#​1115)

📚 Documentation

• Add documentation site (#​1073)
• Explain JavaScript API options (#​1076)
• Add project sponsors to README (#​1082)
• Add CodSpeed to the sponsors page (#​1084)

⚡ Performance

• (parser) Scan braced Unicode escapes in one pass (#​1004)
• (parser) Avoid repeated assertion chain traversal (#​1005)
• Make AST encoder zero-copy on little-endian targets (#​1062)
• (parser) Reuse async arrow parameter covers (#​1006)
• (codegen) Reduce buffer overhead and identifier checks (#​1079)
• (encoder) Order switch cases by fixture frequency (#​1092)
• (encoder) Split short ASCII string encoding from slow path (#​1117)
• (parser) Bound repeated type argument speculation (#​1007)
• (codec) Use numeric enum table indices (#​1120)
• (codec) Localize encoder span loads (#​1121)
• (simd) Reinterpret mask lanes instead of mapping arrays (#​1116)

🧪 Testing

• (type-strip) Validate stripped JavaScript output and expand boundary coverage (#​1000)

⚙️ Miscellaneous Tasks

• (bench) Remove CodSpeed integration (#​1054)
• Simplify documentation and reorganize tests (#​1058)
• (bench) Add Babel and traversal comparisons (#​1080)
• (bench) Simplify parser benchmark measurements (#​1081)
• (bench) Measure walltime on CodSpeed macro runners (#​1083)
• Filter CodSpeed runs on main by changed paths (#​1086)

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