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npm · #2584 most downloaded on npm

oxc-parser

0.152.0222M downloads/mooxc-project/oxc ↗New releases in your daily digest, changelog included.

Oxc Parser Node API

Last release 5 days ago
29 Sep 2026
Ships on a steady schedule
a new release about every 2 weeks
Nearly every release is documented
notes for 54 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
3 years old
186 releases · first in 2023

Release timeline

186 releases since 2023

2023202420252026

Releases

0.5.021 Feb 2024
c1cfd17 linter: No-irregular-whitespace rule (#1835) (Deivid Almeida)
Features

c1cfd17 linter: No-irregular-whitespace rule (#1835) (Deivid Almeida)

Bug Fixes

b50c5ec parser: Unexpected ts type annotation in get/set (#1942) (Dunqing)

eb2966c parser: Fix incorrectly identified directives (#1885) (overlookmotel)

c3090c2 parser: Terminate parsing if an EmptyParenthesizedExpression error occurs (#1874) (Dunqing)

62bc8c5 parser: Error on source larger than 4 GiB (#1860) (overlookmotel)

2b4d1bf parser: Await in jsx expression (Boshen)

19e77b0 parser: False postive for "Missing initializer in const declaration" in declare + namespace (#1724) (Boshen)

Refactor

a2858ed ast: Introduce ThisParameter (#1728) (magic-akari)

aa91fde parser: Only allocate for escaped template strings (#2005) (Boshen)

38f86b0 parser: Remove string builder from number parsing (#2002) (Boshen)

c731685 parser: Reduce work parsing regexps (#1999) (overlookmotel)

4706765 parser: Reduce Token size from 32 to 16 bytes (#1962) (Boshen)

6e0bd52 parser: Remove TokenValue::Number from Token (#1945) (Boshen)

08438e0 parser: Remove TokenValue::RegExp from Token (#1926) (Boshen)

7eb2573 parser: Parse BigInt lazily (#1924) (Boshen)

5b2696b parser: Report this parameter error (#1788) (magic-akari)
Open source →
0.4.011 Feb 2024

20232026

One column per month.

9ff0ffc ast: Implement new proposal-import-attributes (#1476) (magic-akari)

Features

9ff0ffc ast: Implement new proposal-import-attributes (#1476) (magic-akari)
07b0109 parser: Add preserve_parens option (default: true) (#1474) (Boshen)
1554f7c parsr: Parse let.a = 1 with error recovery (#1587) (Boshen)
567c6ed prettier: Print directives (#1497) (Boshen)
0218ae8 prettier: Print leading comments with newlines (#1434) (Boshen)

Bug Fixes

a7e0706 parser: Correct import_kind of TSImportEqualsDeclaration (#1449) (magic-akari)
4453529 parser: Fix type import (#1291) (magic-akari)
9c0aafc parser: Disallow ReservedWord in NamedExports (#1230) (magic-akari)
8afb81a parser: ASI of async class member (#1214) (magic-akari)

Refactor

9842be4 parser: Remove duplicated code (Boshen)
1a576f6 rust: Move to workspace lint table (#1444) (Boshen)

Open source →

▸▾0.4.0-alpha.011 Feb 2024pre-release

Nothing published for this version

▸▾0.3.06 Feb 2024

854b55a codegen: Json strings proposal (#1039) (Boshen)

Features

854b55a codegen: Json strings proposal (#1039) (Boshen)
55b2f03 minifier: Partially re-enable minifier (#963) (Boshen)
5b1e1e5 parser: TypeScript 5.2 (#811) (Cameron)
af1a76b transformer: Implement some of needs_explicit_esm for typescript (#1047) (Boshen)

Bug Fixes

6295f9c ast: Jsx attribute value and text child should be jsx string (#1089) (Boshen)
a455c81 linter: Revert changes to JSX attribute strings (#1101) (Boshen)- 266253c Ts parsing error (#940) (IWANABETHATGUY)

Refactor

4787220 ast: Clean up some methods (Boshen)
70189f9 ast: Change the arguments order for some new functions (Boshen)
db5417f clippy: Allow clippy::too_many_lines (Boshen)

Open source →

▸▾0.3.0-alpha.05 Feb 2024pre-release

Nothing published for this version

▸▾0.2.010 Nov 2023

e7c2313 ast: Add SymbolId and ReferenceId (#755) (Yunfei He)

Features

e7c2313 ast: Add SymbolId and ReferenceId (#755) (Yunfei He)

Bug Fixes

7c8e6ab parser: Parse [+In] in object binding initializer (#874) (Boshen)
2f48bdf parser,semantic: Make semantic own Trivias (#711) (Boshen)

Performance

f447cf3 lexer: Only check the first lower case for match_keyword (#913) (Boshen)
7962e81 lexer: Remove an extra branch from identifier_name_handler (#912) (Boshen)
d25355c lexer: Reduce an extra branch from peek (#841) (Boshen)
a272c1f lexer: Reduce checks on ident -> keyword (#783) (Boshen)
c8a215e lexer: Jump table (#779) (Boshen)
babbc47 parser: Lazily build trivia map instead of build in-place (#903) (Boshen)
1793397 parser: Remove an extra branch from parse_member_expression_rhs hot path (#896) (Boshen)

Refactor

3516759 ast: Use atom for Directive and Hashbang (#701) (Yunfei He)
56aaf31 benchmark: Use codspeed for all benchmarks (#839) (Boshen)- a2dbfee Clean up fuzzer, move it to repo root (#872) (Boshen)- 12798e0 Improve code coverage a little bit (Boshen)

Open source →

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