chore(deps): update dependency @swc/core from 1.15.21 to 1.15.47

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@swc/core (source)	1.15.21 → 1.15.47

---

Release Notes

swc-project/swc (@​swc/core)

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) (885d3e2)

• Allow memmap2 advisory (#​11961) (0be5872)

• Update rust-toolchain action pin (#​12021) (78b41b5)

• Use Node.js 24 by default (#​12035) (d658d08)

• Update rust-toolchain action pin (#​12036) (d1a1e23)

• Use Node.js 24 for wasm publishing (#​12038) (516bf3c)

v1.15.43

Compare Source

Bug Fixes

• (es/es2022) Correct scope for private property brand checks (#​11953) (fb5afa2)

• (es/minifier) Preserve cooked when concatenating template literals (#​11939) (a7244a6)

• (es/minifier) Gate Number(x) -> +x on unsafe flag (#​11944) (#​11949) (6176019)

• (es/parser) Parse Flow bare renders types (#​11929) (a71c8eb)

• (es/parser) Allow no-default builds (#​11956) (baab240)

• (es/react-compiler) Skip TypeScript this pseudo-params in scope collector (#​11940) (9066c43)

• (es/react-compiler) Scope ClassStaticBlock and TsModuleBlock as var boundaries (#​11943) (1ee74a0)

• (react-compiler) Avoid reporting non-fatal success errors as diagnostics (#​11951) (cb4cb23)

• (react-compiler) React compiler AST conversion for wrapped assignment targets (#​11952) (fc9b453)

• (react-compiler) Disable parser default features (#​11957) (75ddb28)

Documentation

• Document untrusted input security scope (#​11937) (677305b)

Features

• (es/react-compiler) Add React Compiler (#​11917) (b182fbd)

• (swc) Gate react compiler re-export (#​11941) (dcc0f2d)

Miscellaneous Tasks

• (es/react-compiler) Update forked react compiler to 0.2.0 (#​11946) (6fbe188)

Refactor

• (es/react-compiler) Preserve TS metadata during AST roundtrip (#​11950) (9c4dec3)

• Remove production tracing hooks (#​11945) (0dffdc4)

v1.15.41

Compare Source

Bug Fixes

• (bindings/node) Preserve source context for AST transforms (#​11920) (b6dfa74)

• (es/codegen) Emit export as namespace correctly (#​11923) (4e1f832)

• (es/codegen) Emit export as namespace minified correctly (#​11924) (7157499)

• (es/compat) Rewrite this in destructuring defaults (#​11909) (68af779)

• (es/decorators) Delay 2022 decorator initializers after private fields (#​11847) (3f1a4f5)

• (es/decorators) Handle import types in decorator metadata (#​11916) (f411429)

• (es/fixer) Preserve new tagged template callee parens (#​11922) (242a03a)

• (es/minifier) Handle unknown member props (#​11927) (e59ba68)

• (es/parser) Handle Flow async generic arrows (#​11926) (b9b8993)

• (es/renamer) Avoid duplicate mangled names across eval scope boundaries (#​11913) (4a1af84)

• (plugin) Avoid importing __free from env (#​11908) (4584296)

• (swc) Preserve plugin error context (#​11904) (4e2e9fc)

• (swc_common) Fix sourcemap panic for multibyte mapping positions (#​11918) (40c1601)

Documentation

• Fix architecture fixer link (#​11911) (51cbc8c)

Performance

• Lazily compute source file hashes (#​11879) (a3cfbd7)

• Optimize Atom equality (#​11902) (c6f8cb0)

Revert

• (es/decorators) Revert decorator initializer ordering (#​11901) (a3f23b1)

• (swc_common) Revert sourcemap multibyte mapping clamp (#​11919) (08b4200)

v1.15.40

Compare Source

Bug Fixes

• (es/minifier) Preserve args for destructured callbacks (#​11830) (21873b0)

• (es/minifier) Avoid generating mangled property names that collide with existing properties (#​11839) (9b4fab5)

• (es/minifier) Respect ecma for iife temp vars (#​11873) (e481934)

• (es/minifier) Preserve default parameter object props (#​11884) (71ff84f)

• (es/parser) Reject object-rest assignment to array/object literal (#​11875) (7b57d1f)

• (es/parser) Reject object rest assignment to literals (#​11881) (4ec2eaf)

• (es/react) Exclude self-recursive hooks from refresh dependency array (#​11838) (9101c71)

• (ts/fast-dts) Strip definite assertions in dts (#​11858) (2ab1b8a)

• (ts/fast-strip) Reject unsafe assertion erasure in binary expressions (#​11828) (aa5b539)

• (typescript) Strip parameter binding defaults in dts (#​11857) (800bc17)

Documentation

• Update agent guidance (#​11842) (bf2d015)

• Add security policy (#​11876) (6c43c2d)

• Clarify security scope for npm packages (#​11877) (4662db8)

• Clarify untrusted input security model (#​11882) (5463777)

Features

• (es/minifier) Fine grained effect analysis of class (#​11814) (c9058ad)

• (swc_cli) Implement all features for swc_cli (#​11797) (9300ede)

Miscellaneous Tasks

• (es/minifier) Fix typo in debug log (#​11866) (3de0254)

• (html) Add webcontainer fallback for @swc/html (#​11860) (7692eed)

Performance

• (ecma) Reduce transformer compat overhead (#​11856) (d03cb71)

• (es/codegen) Speed up JsWriter position and srcmap tracking (#​11867) (dbceade)

• (es/codegen) Remove JsWriter last_srcmap cache (#​11869) (3bc1c2b)

• (es/minifier) Reduce minifier profiling hotspots (#​11853) (28c1091)

• Optimize es parser comment finalization (#​11852) (2959ddf)

Testing

• (es/minifier) Move issue_11835 fixture out of terser folder (#​11840) (3dd3431)

Ci

• Update corepack in publish docker jobs (#​11885) (9a7d954)

• Pass publish docker env explicitly (#​11888) (c5f7547)

• Lock issues closed by merged prs (#​11887) (6bd74e5)

• Provide aarch64 musl linker in publish job (#​11889) (20234fd)

• Fix publish musl linker and windows tests (#​11890) (a798a23)

• Make minifier test path explicit (#​11891) (e7cba97)

Security

• Save CI caches only on main (#​11848) (7582529)

• Update rkyv and Rust dependencies (#​11851) (20d92eb)

• Harden PR workflow permissions (#​11849) (e199564)

v1.15.33

Compare Source

Bug Fixes

• (ci) Update rand lockfile entries (#​11827) (7988966)

• (es/minifier) Fold unary bool nullish coalescing (#​11826) (e39ae3d)

• (es/minifier) Preserve for-init sequence order (#​11837) (16a56d0)

• (es/parser) Parse empty Flow exact object type (#​11836) (3d18a26)

Features

• Move swc ast explorer into workspace (#​11831) (02a8f81)

v1.15.32

Compare Source

Bug Fixes

• (es/flow) Fix Flow type-only modules in script transforms (#​11817) (be38316)

• (es/flow) Avoid restoring module context when flow syntax is enabled (#​11819) (3ed7243)

• (es/minifier) Preserve frozen spread registry keys (#​11825) (347181c)

• (es/parser) Align Flow generic arrow JSX disambiguation (#​11821) (28a7fad)

Features

• (es) Add jsc.preserveSymlinks to swc::Options (#​11813) (fe38342)

v1.15.30

Compare Source

Bug Fixes

• (deploy) Fix musl binding test workflow (#​11804) (c30a522)

• (deploy) Build package ts before Linux GNU binding tests (#​11806) (a3d3ef3)

• (es/jsx) Preserve quoted JSX attribute newlines (#​11796) (9fe56c8)

• (es/minifier) Support full ES version parsing in minify (#​11800) (af1f08f)

• (es/module) Add opt-in symlink-preserving resolver (#​11801) (6028240)

• (es/parser) Allow return type annotation on Flow constructors (#​11790) (d66b29c)

• (es/parser) Support Flow anonymous keyof indexers (#​11792) (452c4e5)

• (es/parser) Add Flow strip RN and RNW regression corpus (#​11799) (23a9109)

Documentation

• Require PR template for pull requests (#​11793) (3a1084a)

Features

• (es/minify) Support extracting comments (#​11798) (5986411)

v1.15.26

Compare Source

Bug Fixes

• (es/decorators) Preserve super in moved static members (#​11781) (778328e)

• (es/decorators) Scope moved static super rewrite (#​11782) (f73cacc)

• (es/parser) Parse mixed Flow anonymous callable params (#​11786) (05e7b69)

• (es/transforms) Rewrite class references in non-static members (#​11772) (fff1426)

• (es/typescript) Handle TypeScript expressions in enum transformation (#​11769) (85aa4a8)

Documentation

• Document Flow strip support (#​11778) (8f176cc)

Features

• (swc_common) Add SourceMapper.map_raw_pos (#​11777) (7d2e94c)

• (swc_config) Add Hash/Eq for options and CachedRegex (#​11775) (86a4c38)

Performance

• (swc) Use larger input for es/full benchmarks (#​11779) (4409920)

Refactor

• (es/minifier) Inline into shorthand prop early (#​11766) (450bdfa)

Build

• Update rustc to nightly-2026-04-10 (#​11783) (6facc79)

v1.15.24

Compare Source

Bug Fixes

• (es/decorators) Scope 2023-11 implicit-global rewrite to decorator-lifted exprs (#​11743) (1c01bbb)

• (es/minifier) Handle toExponential(undefined) (#​11583) (cd94a31)

• (es/minifier) Cap deep if_return conditional chains (#​11758) (a92fa3e)

• (es/minifier) Inline prop shorthand in computed props (#​11760) (71feafb)

• (es/parser) Parse key Flow forms from #​11729 (phase 1) (#​11733) (886fe53)

• (es/parser) Close remaining Flow parser gaps for #​11729 (phase 2) (#​11740) (8d36f05)

• (es/regexp) Preserve source for wrapped named groups (#​11757) (7e56fe5)

• (html/codegen) Keep

  for span-parent paragraphs (#​11756) (ede9950)

• (swc_common) Make eat_byte unsafe to prevent UTF-8 boundary violation (#​11731) (669a659)

Features

• (es/minifier) Remove useless arguments for non inlined callee (#​11645) (bab249e)

• (react-compiler) Advance SWC parity for upstream fixtures (#​11724) (468da70)

• (react-compiler) Tighten core validation parity for upstream fixtures (#​11734) (7e2cf8d)

• (react-compiler) Improve SWC parity for early-return and hooks validation (#​11738) (4739c58)

• (react-compiler) M1 memo validators + lint gating alignment (#​11739) (7e1ad26)

• (react-compiler) Improve Stage A diagnostic parity and validation aggregation (#​11745) (0e2075e)

• (react-compiler) Continue swc parity for dependency handling (#​11747) (83688c8)

Refactor

• (es/minifier) Inline usage analyzer and remove crate (#​11750) (7d8d11b)

• (react-compiler) Remove compiler impl and keep fast_check (#​11753) (f21d336)

Ci

• Add manual Publish crates workflow (#​11763) (169c961)

• Add misc npm publish workflow (#​11764) (236eff0)

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