Update swc monorepo

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@swc/core (source)	1.10.12 -> 1.12.9
@swc/jest (source)	0.2.37 -> 0.2.38

---

Release Notes

swc-project/swc (@​swc/core)

v1.12.9

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Bug Fixes

• (es/lexer) Parse uppercase hex numbers correctly (#​10728) (ead6256)

• (es/lexer) Allow keywords as jsx attribute names (#​10730) (04ef20a)

• (es/minifier) Fix top level option (#​10227) (485fced)

• (es/minifier) Do not drop self-referential class expressions (#​10710) (39e6c2e)

• (es/minifier) Mark cons and alt of CondExpr as ref (#​10740) (9649cc8)

• (es/minifier) Fix termination detection (#​10741) (87bc698)

• (es/parser) Allow non-prop operand in delete (#​10733) (38132e0)

Features

• (es/minifier) Hoist more properties (#​10707) (0f2c8d5)

• (es/transforms) Expose tsEnumIsMutable to JS (#​10716) (6b3ae00)

Performance

• (es/minifier) Make CharFreq::scan in mangler table-based (#​10679) (04d39aa)

• (ts/fast-strip) Use swc_ecma_parser::Lexer (#​10677) (ffe0292)

• Optimize Input::reset_to (#​10719) (8084066)

Refactor

• (es/lexer) Useless reset (#​10714) (c9eee0b)

• (es/lexer) Cleanup read_int (#​10727) (c5fb4b1)

• (es/parser) Remove read_number_no_dot (#​10703) (fa8607f)

• (es/parser) Remove needless branching (#​10717) (b0c23b2)

Testing

• (es/preset-env) Add entry import bench (#​10722) (9868b4d)

• Make codspeed concurrent on main branch (#​10711) (4392ce3)

v1.12.7

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Bug Fixes

• (es/minifier) Fix condition for preserving properties (#​10694) (5c57a05)

• (es/minifier) Drop pure tagged string call expr (#​10702) (85cd9a7)

• (es/parser) Improve error message for template literals (#​10690) (a066b76)

• (es/parser) Rescan >= for JSX closing tag (#​10693) (fe82c4c)

• (es/parser) Support keywords as JSX member expression properties (#​10701) (643253d)

Features

• (es/parser) Add override and out keyword (#​10695) (636d7a3)

• (es/parser) Enable import attributes unconditionally (#​10706) (5ecc3ca)

• (es/parser) Expose Token API with unstable feature flag (#​10699) (750c7d4)

Performance

• (es/parser) Do not compare error each time (#​10696) (0ae0341)

Testing

• (es) Remove outdated test snapshots (#​10689) (03d520b)

v1.12.6

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Bug Fixes

• (es/parser) Throw error if JSX does not end with > (#​10687) (cb3d6db)

• (es/react-compiler) Use tsx syntax for parser (#​10682) (a355e37)

• (hstr) Support MSRV = 1.86 (#​10673) (de19d1e)

• (ts/isolated-dts) Skip parameters without accessibility modifiers in private constructors (#​10675) (1976d8e)

Features

• (ts/fast-strip) Support JSX under a feature flag (#​10656) (6a70d17)

Miscellaneous Tasks

• (ecosystem-ci) Exclude react-leaflet (cfbb1f9)

Performance

• (es/lexer) Optimize number literal parsing with fast path (#​10655) (15d0828)

• (es/lexer) Reduce allocations while lexing numbers (#​10667) (115d228)

• (es/lexer) Introduce byte_search to reduce comparison operations (#​10668) (3806ffd)

• (es/lexer) Compare \n first (#​10669) (9c41e2f)

• (es/lexer) Optimize lexing of numbers with separators (#​10665) (cac651b)

• (es/minifier) Remove needless clones (#​10661) (5f4f7dd)

• (ts/fast-strip) Prealloc buf for codegen (#​10680) (a8347fe)

Refactor

• (ts/fast-strip) Rename crate (#​10685) (6b5904c)

Build

• (wasm) Fix wasm builds (eee0578)

v1.12.5

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Bug Fixes

• (es/parser) Parse jsx entity (#​10652) (bfd3bc5)

• (es/parser) Consider reseved ident in jsx name (#​10647) (9262a59)

Performance

• (es/parser) Optimize next_token (#​10654) (1be2ca0)

Refactor

• (es/lexer) Remove faster path for \t (#​10650) (d6ac3b7)

v1.12.4

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Bug Fixes

• (es/minifier) Fix Buffer handling of minify() API (#​10643) (cdf068e)

• (es/minifier) Fix arrow inlining (#​10642) (7232c10)

• (es/parser) Don't be greedy in the end of jsx open el (#​10637) (8a2c656)

• Update par-core and par-iter (#​10629) (38f7d51)

• Fix CI (#​10641) (9df98f7)

Refactor

• (es/parser) Cleanup (#​10631) (c7c2035)

v1.12.3

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Bug Fixes

• (es/codgen) Emit leading comments of JSXExprContainer (#​10627) (2d2162a)

v1.12.2

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Bug Fixes

• (ci) Fix build of @swc/minifier (0dc5244)

• (es/codegen) Fix .map path when using output_path (01e5bd1)

• (es/parser) Allow type ann in jsx expr child (#​10626) (48f576c)

• (swc) Fix wrong caching of resolvers regarding file exts (#​10615) (68aacd1)

• (ts/isolated-dts) Fix usage dependency (#​10621) (b3677d3)

• (ts/isolated-dts) Emit properties in overloaded constructor params (#​10623) (6634ef1)

Features

• (swc_common) Allow returning None in try_lookup_source_file (#​10625) (d8e2405)

Performance

• (atoms) Improve atom! for inlinable strings (#​10612) (5113121)

• (es/minifier) Avoid calling some costly function when optimizing deep nested binary expr (#​10611) (1434571)

• (es/minifier) Remove needless JSON conversion (#​10628) (4a58dca)

• (es/parser) Reduce cmp in jsx spread child (#​10606) (fb33c13)

Refactor

• (es/parser) Cleanup - deduplicate some code (#​10608) (5f9af96)

• (es/parser) Remove token contexts (#​10547) (7ffe9d2)

v1.12.1

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Bug Fixes

• (@​swc/types) Remove nativeClassProperties (#​10592) (39032dc)

• (es/minifier) Fix top level detection of DCE (#​10603) (964a560)

• (es/minifier) Fix inlining of arrows (#​10604) (cc3bc4d)

• (es/minifier) Perform DCE on the end (#​10602) (a97b149)

• (swc_common) Add Files#is_in_file (#​10599) (e6b61eb)

Features

• (es/parser) Support parsing CommonJS (#​10600) (70bda6a)

v1.12.0

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Bug Fixes

• (@​swc/types) Add jsc.output.charset (#​10567) (26b41e8)

• (es/codegen) Don't call cmt.get_leading for dummy span (#​10568) (16e204d)

• (es/parser) Disallow spread operator(...) in JSX attribute values (#​10587) (8deba78)

• (es/typescript) Pass native_class_properties (#​10561) (7e4cd9a)

• (es/typescript) Handle export declare var in namespace (#​10579) (2daa17f)

• (ts/isolated-dts) Add edges SymbolFlags::Value and SymbolFlags::Type in exports (#​10577) (e6d4da2)

• Fix bindings (0f858fd)

Documentation

• (contributing) Add a script to patch local projects (#​10565) (3ac0a21)

Features

• (es/minifier) Regex support for format.comments (#​10571) (e441df5)

• (es/module) Add support for import.meta.main in AMD and CJS (#​10596) (759de2e)

Miscellaneous Tasks

• (plugin/runner) Update virtual-fs to dedupe dependencies (#​10594) (de667bb)

Refactor

• (es/lexer) Remove unnecessary result wrap (#​10578) (49d15df)

• (es/parser) Extract parse_jsx_attrs (#​10569) (6492786)

• (es/parser) Remove cur!(false) macro (#​10583) (c96fa23)

• (swc_common) Remove Input::find (#​10542) (494cef9)

• (swc_common) Use BytesStr instead of Lrc<String> (#​10580) (6f00973)

• (swc_common) Use swc_sourcemap instead (#​10593) (8a9f609)

Testing

• (es/parser) Enable jsx test (#​10566) (72b1efe)

v1.11.31

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Bug Fixes

• (es/codegen) Improve comments handling (#​10534) (d9ba838)

• (es/codegen) Exclude constructor from source map names (#​10551) (ef85640)

• (es/fixer) Fix a bug with awaited arrow fn expression (#​10555) (9dfdfa6)

• (es/minifier) Fix missing variable (#​10478) (6de3ef6)

• (es/minifier) Inline object of member if prop is an ident (#​10548) (e554381)

• (es/minifier) Add side effect check for test expr when compressing IfStmt (#​10550) (3e9728e)

• (es/minifier) Fix typo in an option name (#​10554) (a303941)

• (es/parser) Emit syntax errors for strict mode in non-module or scripts (#​10545) (1291b4a)

• (es/react-compiler) Fix usefulness detection (#​10506) (41075a1)

• (es/utils) Fix extract_var_ids (#​10511) (5644372)

• (react-compiler) Fix fast check (#​10538) (9403ce2)

• (swc_common) Fix build (#​10544) (2ed934d)

• (swc_common) Fix skip condition for sourcemap (#​10562) (cbee0df)

• (swc_common) Fix skip condition for sourcemap, really (#​10563) (14feedb)

• (swc_common) Revert skip condition patch (#​10564) (2a2b284)

• (ts/fast-dts) Correctly emit Symbol-keyed accessors in declarations (#​10508) (1298e76)

• (ts/fast-dts) Ensure correct emission of template literals and symbol-keyed properties (#​10530) (8dbdbef)

Features

• (es/regexp) Add crates for RegExp (#​10525) (4b3f924)

• (swc_common) Add Globals::clone_data (#​10543) (39f30b0)

• (swc_common) Add map_raw_pos to Files (#​10560) (71224c3)

Miscellaneous Tasks

• (bindings) Use published versions of crates (#​10513) (f65f028)

• (ecosystem-ci) Exclude ts-node (2b284e1)

Performance

• (es/minifier) Merge PropertyCollector into usage analyzer (#​10514) (505bf54)

• (es/minifier) Remove needless clone (#​10523) (1c02ef6)

• (es/parser) Reduce comparison while reading logical (#​10526) (2bc551c)

• (es/renamer) Merge analyze/collect (#​10509) (7b47f66)

• (swc_common) Remove char_indices calls (#​10541) (51507bc)

Refactor

• (es/codegen) Migrate to ryu-js for numeric literal codegen (#​10503) (4bc4244)

• (es/lexer) Cleanup code for reading tokens (#​10533) (a72092c)

• (es/lexer) Share skip_block_comment (#​10549) (b101a87)

• (es/parser) Share code for parsing strings (#​10522) (931a2d6)

• (es/parser) Cleanup (#​10559) (963ac9e)

• (ts/fast-dts) Derive computed flags from source code (#​10510) (a2d5664)

v1.11.29

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Bug Fixes

• (@​swc/types) Add transform.nativeClassProperties (#​10418) (f3af44c)

• (@​swc/types) Add resolveFully to BaseModuleConfig (#​10426) (164cbaa)

• (ci) Remove wasmer override (425eeb9)

• (es/compat) Properly handle rest assignment in for-in/of head (#​10489) (b9c0446)

• (es/jest) Hoisting vars with names starting with mock (#​10410) (a29eb29)

• (es/jest) Revert #​10410 (#​10452) (bc756f8)

• (es/minifier) Properly handle object shorthand syntax during compression (#​10467) (bae4940)

• (es/module) Handle __proto__ export name (#​10420) (1b94c7a)

• (es/optimization) Support decimal numbers in jsonify (#​10424) (affdec2)

• (es/react-compiler) Mark function components declared as a var interesting (#​10437) (5eac076)

• (es/renamer) Fix (broken) identifier preserving API (#​10474) (06c64cf)

• (ts/fast-dts) Emit readonly for Object getter prop (#​10492) (6c03e20)

• (ts/fast-dts) Align object getter/setter emit behavior with TypeScript (#​10502) (78c754e)

Features

• (common) Allow using build_sourcemap with multiple SourceMap (#​10438) (2a07c8a)

• (common) Add ignoreList support for sourcemap (#​10442) (6750459)

• (config) Allow using glob in some places (#​10445) (f7a6359)

• (config) Use globset instead (#​10446) (7bbaef8)

• (es/module) Add support for stripping "node:" prefix in imports and exports (#​10461) (ae2ff62)

• (es/react-compiler) Initialize support crate (#​10422) (1e88e6b)

• Initialize @swc/react-compiler (#​10475) (883b24c)

Miscellaneous Tasks

• (es/minifier) Remove useless check (#​10471) (ca85958)

Performance

• (common) Accept owned instance of sourcemap::SourceMap (#​10463) (6ee439a)

• (es/minifier) Use fxhash for DCE (#​10440) (c0ddd96)

• (es/minifier) Remove needless collect_decls call (#​10450) (8e4b6ce)

• (es/minifier) Clear graph eagerly in DCE (#​10455) (31e21d7)

• (es/minifier) Perform full analysis only once for DCE (#​10454) (61baf84)

• (es/minifier) Use bitflags for var info (#​10459) (36f8385)

• (es/optimization) Rely on resolver from inline_globals (#​10449) (1978809)

• (es/renamer) Merge Id/Def collector (#​10487) (73377f0)

• (es/utils) Make IdentUsageFinder parallel (#​10444) (d074bca)

• (es/utils) Stop visiting once found in EvalFinder (#​10483) (3402270)

Refactor

• (common) Remove useless &mut (#​10405) (edbeb49)

• (common) Remove unused methods (#​10469) (b77311a)

• (ecma/transform) Cleanup rename analyzer (#​10500) (de51be1)

• (es) Remove unused code (#​10460) (d344133)

• (es) Deduplicate EvalFinder (#​10472) (9f104af)

• (es/minifier) Remove unused file (#​10465) (7d49097)

• (es/minifier) Merge label/private name renamer (#​10480) (5add84d)

• (es/parser) Split parser into also-lex/parse-only (#​10399) (26289ab)

• (es/parser) Parse shebang and cleanup (#​10481) (619873a)

• (es/parser) Cleanup usage of is! and bump! (#​10490) (b695b68)

• (es/renamer) Inline get_unresolved (#​10493) (0f5d9c1)

• (es/transforms) Unify preset_env and es_version transform (#​10451) (6546c27)

Build

• (plugin) Update wasmer to v6.0.0 (#​10439) (b9eff3c)

• Update rustc to nightly-2025-05-06 (#​10443) (a7cbde7)

v1.11.24

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v1.11.22

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Bug Fixes

• (es/parser) Parse export default from; with exportDefaultFrom: true option (#​10373) (a270cb0)

• (es/proposal) Fix exported class for explicit-resource-management (#​10393) (6b5dbc6)

• (swc_core) Fix downstream doc builds (#​10401) (df511ba)

• Upgrade browserslist-rs version (#​10389) (f802892)

Features

• (bindings/core) Enhance existing parse function to accept both string and buffer types(#​10371) (c9a2afc)

• (css/prefixer) Fix default implementation (#​10351) (34f4e41)

Miscellaneous Tasks

• (bindings/node) Add README.md (#​10402) (a0e89f0)

• (es/parser) Remove useless check (#​10386) (d1770ac)

• (es/utils) Mark Symbol members as literal (#​10400) (3935b60)

Performance

• (common) Use next instead of nth (#​10403) (12c2807)

• (es/minifier) Use bigflags to reduce context size of analyzer (#​10380) (773d19c)

• (es/minifier) Use bitflags to reduce context size of InfectionCollector (#​10387) (126d432)

• (es/minifier) Use bitflags to reduce compress context size (#​10381) (99495bd)

• (es/parser) Move found_module_item to Parser (#​10388) (fd52c5c)

Refactor

• (es/compat) Simplify async_to_generator (#​10341) (e9eeba1)

• (es/lexer) Split lexer (#​10377) (3ef2bd1)

Testing

• (es/transform) Add tests for source map (#​10375) (0018a8e)

v1.11.21

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Bug Fixes

• (es/helpers) Sync tslib _ts_generator implementation (#​10366) (d3fb992)

• (es/proposal) Fix scope of declarations for explicit-resource-management (#​10362) (eb7f7e9)

• (ts/fast-strip) Increase Wasm stack size (#​10359) (6d444a5)

Miscellaneous Tasks

• (es/parser) Remove useless check (#​10363) (0f6a8c3)

Performance

• (es/parser) Reduce string comparison (#​10355) (21789c4)

• (es/parser) Add initial capacitity for some vectors (#​10361) (7b7b50e)

• (es/parser) Reduce clone of token contexts (#​10364) (3ab47b2)

• (es/parser) Use bitflags to reduce parser context size (#​10367) (a2d3596)

• (es/parser) Replace byte arguments with generics (#​10370) (68f7667)

• (es/parser) Use arrayvec and unsafe push to optimize escaped string parsing (#​10369) (e12ae1c)

v1.11.20

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Bug Fixes

• (error_reporters) Removing unused code to fix clippy check (#​10338) (5970f93)

• (es/minifier) Preserve block with block scoped declaration (#​10335) (a4ac3b7)

• (es/parser) Allow abstract method named accessor (#​10327) (3f71776)

• (es/preset-env) Consider browserslist config if env.target is not configured (#​8921) (a2dc372)

• (es/resolver) Handle using declarations (#​10354) (dad815c)

• fix(es/compat): Remove one promise tick in yield* (tc39/ecma262#2819) (#​10317)

Related issue:

• babel/babel#14877
• tc39/ecma262#2819 (3fb1950)

Features

• (errors) Integrate miette for enhanced diagnostic reporting (#​10241) (156c3b1)

• (es/codegen) Support sourceMap.url option of terser (#​10346) (566bc7c)

• (plugin/runner) Support pluginEnvVars (#​10318) (795fedc)

Miscellaneous Tasks

• (es/helpers) Update peer dependency version for @swc/helpers to >=0.5.17 (#​10321) (ddbf3e1)

• (ide) Disable RA diagnostics (#​10324) (fcf280f)

Performance

• (es/ast) Reduce redundant string comparison for Atoms (#​10323) (3ce9d81)

• (es/jsx) Cache FileName for JSX pass (#​9951) (#​10322) (9852940)

• (es/parser) Remove redundant is_ascii calls (#​10334) (e66b4d6)

• (es/parser) Remove ascii check for no-ascii (#​10350) (4279b96)

Testing

• (es) Unignore tests and update node to 20 in exec tests (#​10348) (eee73ce)

v1.11.18

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Bug Fixes

• (errors) Disable wrapping of text lines (#​10314) (f6840ea)

• (es/codegen) Ensure proper Unicode escape handling for ES5 and below #​10028 (#​10309) (7f76fa3)

• (node) Fix worker_threads issue on glibc platform (#​10306) (1d1ff9e)

Features

• (es/minifier) Optimize number to int (#​10294) (6dcfa70)

• (es/minifier) Remove useless to number (#​10308) (898f170)

• (ts/isolated-dts) Distinguish js value and ts type (#​10316) (c480604)

Refactor

• (es/codegen) Split lib.rs into multiple files (#​10304) (5a07a5d)

• (es/codegen) Refactor macro to inverse order (#​10297) (78f907f)

Testing

• (es/minifier) Remove duplicate test (#​10305) (a80dea8)

v1.11.16

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Miscellaneous Tasks

• (deps) Update actions (#​10222) (cf33196)

v1.11.15

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Bug Fixes

• (bindings/node) Fix build on platforms without plugin ([#​10301](https://redirect.github.com/swc-

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