Update swc monorepo

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ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Type	Update	Change	OpenSSF
@swc/core (source)	dependencies	minor	1.15.24 → 1.16.13
@swc/helpers (source)	dependencies	patch	0.5.21 → 0.5.23

---

Release Notes

swc-project/swc (@​swc/core)

v1.16.13

Compare Source

Bug Fixes

• (swc_config) Show why an options object failed to deserialize (#​12441) (e92460a)

Performance

• (node) Optimize macOS native addon first load (#​12436) (0b151bf)

Testing

• (es/ast) Add missing ctxt field to jsx_element serde test (#​12439) (7dc1796)

v1.16.12

Compare Source

Bug Fixes

• (binding/node) Return an error when a file cannot be read instead of panicking (#​12379) (d342acd)

• (bindings) Detect macOS ACLs with supported APIs (#​12391) (a73ea68)

• (es) Decode template raw values when cooked is missing (#​12347) (7898152)

• (es/codegen) Minify unicode escapes in template literals (#​12284) (76ef91c)

• (es/codegen) Separate generic type assertion openers (#​12340) (8948dac)

• (es/compat) Preserve array rest when lowering nested object rest (#​12352) (9348083)

• (es/lexer) Stop iteration when input is exhausted (#​12388) (c392686)

• (es/minifier) Check eval and arguments usage in var define scope (#​12174) (5d1aa16)

• (es/minifier) Drop unused object pattern defaults (#​12176) (76ac4bd)

• (es/minifier) Preserve Array spread arity (#​12237) (cfbef85)

• (es/minifier) Preserve holes in array joins (#​12242) (7eca515)

• (es/minifier) Preserve catch return before finally (#​12232) (191b951)

• (es/minifier) Skip prototype setters in Object.keys (#​12249) (8953ee3)

• (es/minifier) Guard static helper evaluation (#​12247) (f154b61)

• (es/minifier) Preserve string import names (#​12245) (b23c5ed)

• (es/minifier) Preserve unsigned shift coercion (#​12260) (e0f3f4e)

• (es/minifier) Fold missing codePointAt to undefined (#​12230) (052592a)

• (es/minifier) Fold local deletes to false (#​12231) (dcbcf93)

• (es/minifier) Preserve Function.length arity (#​12251) (753db8c)

• (es/minifier) Preserve rest RegExp identity (#​12238) (4a73df1)

• (es/minifier) Preserve lexical method defaults (#​12239) (7446da9)

• (es/minifier) Preserve arguments after IIFE spreads (#​12243) (924d225)

• (es/minifier) Preserve string method arguments (#​12234) (0d377f1)

• (es/minifier) Preserve optional-chain continuation throws (#​12261) (c5f381b)

• (es/minifier) Preserve constant switch test effects (#​12252) (ca1f943)

• (es/minifier) Preserve shadowed undefined yield values (#​12272) (00da5c1)

• (es/minifier) Retain unsafe Symbol call arguments (#​12248) (2611085)

• (es/minifier) Guard similar if merges (#​12262) (e608832)

• (es/minifier) Preserve conditional assignment target order (#​12253) (5d703f0)

• (es/minifier) Preserve Set and Map iteration (#​12254) (c28b95f)

• (es/minifier) Preserve sequence IIFE argument evaluation (#​12258) (c8eec79)

• (es/minifier) Respect global defs root bindings (#​12266) (107af6a)

• (es/minifier) Format toExponential compatibly (#​12257) (62d8b28)

• (es/minifier) Preserve tiny toPrecision calls (#​12246) (d64acad)

• (es/minifier) Preserve async IIFE return values (#​12269) (3119b07)

• (es/minifier) Retain rest params in dynamic scopes (#​12264) (e222efd)

• (es/minifier) Safely hoist property callees (#​12183) (df3f7ab)

• (es/minifier) Preserve catch assignments before finally (#​12259) (7a2ca6e)

• (es/minifier) Preserve delete operand effects (#​12244) (d8631aa)

• (es/minifier) Preserve unary comparison evaluation order (#​12275) (440fd7f)

• (es/minifier) Preserve branches when collapsing assignments (#​12280) (0239111)

• (es/minifier) Preserve empty array assignments (#​12250) (20e9c5f)

• (es/minifier) Preserve empty IIFE parameter effects (#​12268) (c8a2657)

• (es/minifier) Preserve empty join coercion (#​12240) (a5bd592)

• (es/minifier) Preserve empty object destructuring errors (#​12276) (246e615)

• (es/minifier) Deduplicate folded Object.keys (#​12263) (c652537)

• (es/minifier) Preserve finalizer breaks in switches (#​12330) (1156952)

• (es/minifier) Preserve strict equality for repeated calls (#​12320) (2755d73)

• (es/minifier) Preserve class scope in if-return negation (#​12319) (f568ff2)

• (es/minifier) Preserve function expression names (#​12318) (9ee8686)

• (es/minifier) Preserve finalizer completions (#​12325) (eddbd18)

• (es/minifier) Evaluate String.raw templates with raw quasis (#​12322) (5f49135)

• (es/minifier) Preserve returns in finalizers (#​12324) (f7894f5)

• (es/minifier) Scan all adjacent hoist declaration pairs (#​12335) (c3e2d35)

• (es/minifier) Preserve reassigned arguments access (#​12235) (5f02d02)

• (es/minifier) Preserve switch fallthrough cases (#​12328) (fe41cd5)

• (es/minifier) Preserve lone surrogate template values (#​12329) (ff90d49)

• (es/minifier) Preserve spread iteration in unused builtins (#​12334) (90d449d)

• (es/minifier) Preserve computed update targets (#​12326) (22518fc)

• (es/minifier) Check class side effect (#​12336) (397e0b6)

• (es/minifier) Preserve let initialization when dropping unused variables (#​12345) (2ea13bf)

• (es/minifier) Do not merge sequences across array spreads (#​12375) (f145dfe)

• (es/minifier) Preserve destructuring patterns with PURE-annotated initializers (#​12386) (6ee2384)

• (es/minifier) Mark properties assigned through destructuring targets as mutated (#​12398) (42e4f7e)

• (es/minifier) Keep function and class declarations whose self-reference is dropped (#​12401) (cd25b14)

• (es/minifier) Avoid inline arrow with this when used as arg (#​12409) (9de48a0)

• (es/parser) Reject unicode escapes in RegExp flags (#​12093) (4f98673)

• (es/parser) Allow line breaks before enum names (#​12341) (c594a7c)

• (es/parser) Allow ambient rest trailing commas (#​12342) (9362f19)

• (es/parser) Respect line breaks after declare (#​12353) (fe1dfad)

• (es/parser) Parse optional generator methods (#​12355) (0b33a30)

• (es/parser) Allow line breaks before import attributes (#​12356) (6684de3)

• (es/parser) Allow await identifiers in explicit Script parsing (#​12364) (a2db32d)

• (es/parser) Respect line breaks before definite assignment assertions (#​12362) (505766f)

• (es/parser) Restore strict context after classes (#​12361) (0cb1a67)

• (es/parser) Reset static block context for nested declarations (#​12360) (e3a33ab)

• (es/parser) Allow eval and arguments in ambient function declarations (#​12359) (21b0cba)

• (es/parser) Parse static constructor methods in JavaScript (#​12357) (98f718f)

• (es/parser) Allow of bindings in await using loops (#​12354) (c7f40bb)

• (es/parser) Accept valid declare readonly field initializers (#​12363) (3668176)

• (es/parser) Preserve elisions in arrow binding patterns (#​12366) (3b3689a)

• (es/parser) Isolate constructor function contexts (#​12367) (7954b2d)

• (es/parser) Correctly round non-decimal numeric literals (#​12370) (7636d01)

• (es/parser) Allow string import and export names after type (#​12371) (baf0ba6)

• (es/parser) Preserve type references named asserts before line breaks (#​12372) (1f12e7f)

• (es/parser) Recognize named optional and rest tuple elements (#​12368) (476ba33)

• (es/parser) Support leading pipes in Flow match patterns (#​12393) (3c381f4)

• (es/parser) Allow escaped keywords as property names (#​12358) (478aaee)

• (es/parser) Parse optional renamed Flow component parameters (#​12410) (1dea7a6)

• (es/typescript) Fold optional-chained enum member reads (#​12179) (4519330)

• (hstr) Avoid panic in Wtf8::starts_with (#​12383) (3ae4e24)

• (html/minifier) Preserve adjacent script elements (#​12411) (aea189d)

• (html/parser) Preserve customizable select markup (#​12413) (86d40bd)

• (node) Repair native release verification and cache handling (#​12415) (2b292c8)

• (nodejs) Complete Amaro REPL support APIs (#​12395) (4b42cd5)

• Use Rust changeset package names (#​12283) (7241d4b)

• Correct quoted package name in changeset (#​12387) (55ffd3e)

Documentation

• (agents) Document terser fixture backlog workflow (#​12274) (07328de)

• (es/minifier) Clarify decorator input and test boundaries (#​12337) (d8b76cc)

• (es/minifier) Clarify semantic preservation policy (#​12349) (ff6a3c3)

Features

• (bindings) Add private compressed native addon foundation (#​12289) (2855b5a)

• (bindings) Gate native npm releases on verified carriers (#​12292) (556044f)

• (es/minifier) Honor /*#__PURE__*/ on property reads and destructuring patterns (#​12384) (43f4fdb)

• (es/minifier) Account for shorthand expansion when inlining (#​12428) (bd4c573)

• (es/module) Support moduleRoot for AMD module IDs (#​11964) (4b4c135)

Miscellaneous Tasks

• (deps) Eliminate unnecessary dependencies (#​12377) (f517d5a)

• (es/ast) Fix typo (#​12376) (96c0927)

Performance

• (es/preset-env) Reduce binary size with browserslist deflate (#​12381) (81e0d7d)

• (es/transforms) Skip script traversal in export-default-from (#​12348) (f37ce70)

• (swc_core) Deduplicate ICU dependencies (#​12385) (53cb564)

Refactor

• (es/minifier) Simplify constant-false loop guards (#​12293) (a37d439)

• (es/minifier) Remove useless helper (#​12286) (b83aa6a)

• (es/minifier) Remove useless helpers (#​12343) (14bfa36)

• (es/minifier) Dead code (#​12392) (bbdc059)

Testing

• (es/transforms) Remove export-default-from benchmark (#​12350) (5a2096f)

Mod

• (es/minifier) Check Map/Set param is array (#​12287) (d602f58)

Revert

• (es/minifier) Revert #​12384 (#​12419) (763cc20)

v1.16.2

Compare Source

Bug Fixes

• (es/compat) Preserve for-of var binding scope (#​12158) (f6d5bd1)

• (es/decorators) Drop params from getter replacing decorated private method (#​12161) (d56f594)

• (es/flow) Preserve Flow component type semantics (#​12090) (c8d5b49)

• (es/minifier) Mark for update and test as executed multiple time (#​12131) (1260e36)

• (es/minifier) Report for loop var decl as assign (#​12136) (783bbc2)

• (es/minifier) Don't replace value-used console.*.bind() calls with undefined (#​12138) (ed74223)

• (es/minifier) Drop spans of cached globals values (#​12129) (9a306b8)

• (es/minifier) Preserve effects of returned value calls (#​12140) (c37b5a9)

• (es/minifier) Avoid JSX sequence inlining loop (#​12149) (4e79b94)

• (es/minifier) Preserve bindings in copied inline arrows (#​12141) (cf7b5c9)

• (es/minifier) Preserve do-while control-flow targets (#​12160) (f62c437)

• (es/minifier) Preserve pure annotation ownership (#​12180) (ec780f9)

• (es/parser) Retry ambiguous Program parsing (#​12142) (141a320)

• (es/parser) Preserve await grammar boundaries (#​12156) (c732683)

• (es/quote) Restore await parsing (#​12163) (918f517)

• (es/typescript) Treat const variable references as enum constants (#​12101) (c523551)

• (swc) Key optimizer env cache by configured values (#​12166) (c0b6f12)

• (visit) Panic on invalid AST paths (#​12154) (b4d11a9)

Features

• (es/minifier) Evaluate Math.floor, Math.ceil, Math.round and Mat… (#​12117) (e876e80)

• (es/parser) Add opt-in parser-only TSRX lowering (#​12120) (61ff097)

Miscellaneous Tasks

• (deps) Upgrade reqwest to 0.12 (#​12144) (8dd98e4)

• (deps) Ignore unpatched Wasmtime advisory (#​12170) (5dd7422)

Refactor

• (react-compiler) Use official packages (#​12168) (6d34fe7)

Testing

• (es/minifier) Update test fixtures (#​12135) (2f3e88d)

Ci

• Only plan completed issues and merged PRs (#​12133) (4d9aa8e)

• Gate jobs with detected changes (#​12147) (3802924)

• Tag published misc npm packages (#​12173) (a789691)

v1.16.1

Compare Source

Bug Fixes

• (swc_config) Show why an options object failed to deserialize (#​12441) (e92460a)

Performance

• (node) Optimize macOS native addon first load (#​12436) (0b151bf)

Testing

• (es/ast) Add missing ctxt field to jsx_element serde test (#​12439) (7dc1796)

v1.16.0

Compare Source

Bug Fixes

• (encoding) Fix incorrect fields count (#​11905) (6fb4ca1)

  • BREAKING: Fix incorrect fields count (#​11905)

• (es/ast) Prevent mutable reference escape (#​12088) (592f559)

• (es/ast) Fix panic on JSX surrogate entities (#​11803) (d21de47)

  • BREAKING: fix panic on JSX surrogate entities (#​11803)

• (es/es2015) Preserve this in static field parameters (#​12085) (5b758ed)

• (es/minifier) Remove unused variable initializer cycles (#​12106) (0421534)

• (es/minifier) Bound arguments parameter injection (#​12053) (46d6f41)

• (es/preset-env) Lower unsupported async generators (#​12086) (3a144b1)

• (hstr) Avoid references to uninitialized bytes (#​12087) (68f0983)

• (plugin) Make raw byte reconstruction unsafe (#​12089) (83ab4ed)

• (plugin/runner) Write Wasmer cache atomically (#​12100) (3c4f404)

• (react-compiler) Make fast check conservative (#​12105) (7e14950)

• (react-compiler) Preserve TypeScript function overload signatures (#​12115) (a132384)

Miscellaneous Tasks

• (deps) Update browserslist-rs to 0.20 (#​12098) (b395eab)

• (deps) Update lru to 0.18.2 to fix cargo deny (#​12116) (c9d1da4)

Refactor

• (es/ast) Add body_ctxt to Switch (#​12065) (bf25ae0)

  • BREAKING: Add body_ctxt to Switch (#​12065)

• (es/ast) Split TypeScript this parameters (#​12075) (1687c0f)

  • BREAKING: split TypeScript this parameters (#​12075)

• (es/ast) Use Function for object accessors (#​12077) (9ae902e)

  • BREAKING: use Function for object accessors (#​12077)

• (es/ast) Introduce FunctionBody (#​12096) (394c7c9)

  • BREAKING: introduce FunctionBody (#​12096)

v1.15.47

Compare Source

Bug Fixes

• (es) Preserve numeric property key identity (#​12050) (46900a3)

• (es/ast) Support hashing non-finite numbers (#​12043) (f4b85a6)

• (es/codegen) Emit non-finite numeric literals (#​12047) (883abc4)

• (es/decorators) Avoid class state leakage for nested undecorated classes (#​12076) (4c9d277)

• (es/minifier) Apply ToInt32 when folding bitwise NOT (#​12058) (550e2f7)

• (es/minifier) Avoid inexact number radix folding (#​12057) (506a0ea)

• (es/minifier) Preserve invalid Array lengths (#​12056) (3ce9e16)

• (es/minifier) Preserve non-canonical arguments access (#​12052) (850230b)

• (es/minifier) Apply ToUint16 in fromCharCode (#​12055) (9ae7b92)

• (es/minifier) Index strings by UTF-16 code unit (#​12054) (bc263d2)

• (es/minifier) Use numeric literals for non-finite values (#​12048) (b830786)

• (es/minifier) Preserve top-level declarations referenced only by direct eval (#​12029) (ad0e3b4)

• (es/optimization) Preserve JSON numeric values (#​12051) (667af8c)

• (es/transforms) Use numeric literals for non-finite enum values (#​12049) (1e3ed5c)

• (es/typescript) Evaluate cooked enum templates (#​12059) (49d0b0f)

• (html/minifier) Preserve JSON script boundaries (#​12080) (e1877b4)

• (testing) Check ignored fixtures relative to crate root (#​12073) (da858b4)

• (ts/fast-strip) Preserve ASI before interpolated templates (#​12040) (54467fe)

• (ts/fast-strip) Preserve UTF-16 source positions (#​12067) (ac4bfc9)

Features

• (es/minifier) Expand support for trivial spreads (#​12068) (aa49e36)

• (es/react-compiler) Expose reactCompiler.environment.enableFunctionOutlining (#​12030) (52b78aa)

Performance

• (es/renamer) Skip identity rename mappings on apply (#​12041) (0f9ff15)

v1.15.46

Compare Source

Bug Fixes

• (deps) Update crossbeam-epoch to 0.9.20 (#​12004) (fababa1)

• (es/fixer) Normalize for-head ident patterns (#​11968) (af681bc)

• (es/fixer) Preserve parens around PURE-annotated receivers (#​12022) (73d8941)

• (es/hygiene) Ignore eval in default hygiene pass (#​12003) (dd43ad6)

• (es/minifier) Eliminate unused classes with cyclic references (#​11963) (63a94b9)

• (es/minifier) Preserve switch fallthrough termination (#​11971) (a5d19ae)

• (es/minifier) Check last case (#​11972) (060c7ac)

• (es/minifier) Disable IIFE invoke when there's eval (#​11984) (eabe4be)

• (es/minifier) Invoke IIFE when has eval (#​11987) (457df11)

• (es/minifier) Make Infect Collect collect every used ident (#​11998) (fb9ebee)

• (es/minifier) Measure number length precisely (#​12026) (54d139a)

• (es/module) Rewrite .tsx imports to .js unless JSX is preserved (#​11995) (c341d9c)

• (es/module) Rewrite SystemJS transform (#​11996) (2f47530)

• (es/modules) Resolve relative symlinked inputs from cwd (#​11883) (01e857d)

• (es/react) Emit jsxdev source for fragments (#​11993) (a70ce24)

• (es/react-compiler) Correct catch and parameter scope resolution (#​11985) (3867e57)

• (react-compiler) Remove React-like prefilter (#​12007) (ab66869)

• (ts/fast-strip) Handle generic arrow line breaks (#​12034) (3d82701)

Documentation

• (agents) Document minifier assumptions (#​11966) (58df612)

Features

• (bindings) Add lint / lintSync API to @swc/react-compiler (#​11965) (ab4ce67)

• (es/minifier) Remove unused param for new Function or Class Expr (#​12017) (be56e09)

• (es/minifier) Remove unused param for new expr (#​12027) (661067c)

• (wasm) Add @​swc/nodejs-support-wasm (#​11975) (b617562)

Refactor

• (es/helpers) Generate inline helpers from canonical ESM sources (#​12006) (f36e4b6)

• (es/helpers) Remove unused jsx helper (#​12009) (ccbc906)

• (es/lexer) Remove smartstring dependency (#​12013) (d6833cc)

• (es/minifier) Remove ProgramData.top (#​12031) (a72571f)

• (es/module) Align module transform records with spec terms (#​11992) (f680df5)

• (es/module) Introduce source module lowering pipeline (#​11999) (9609b7f)

• Remove direct rkyv dependencies (#​12010) (5761a2b)

Testing

• (react-compiler) Add build-pass fixtures for wrapped assignment targets (#​11967) (58d9b53)

Build

• Remove vergen dependency (#​11976) (26d8a28)

Ci

• Allow publish milestone PR updates ([#​11960](https://redirect.github.com/swc-

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