Packages

@swc/wasm

1.16.21 · 31 Oct 2026Apache-2.01.3M / weekRepositoryHomepagenpmAtom feed

Your version

1.15.47

29 Jul 2026Where it was published

1.16.21 is the newest release of 1.x.

In short

2 new1 faster19 fixed

Release note

Bug Fixes

  • (es) Preserve numeric property key identity

  • (es/ast) Support hashing non-finite numbers

  • (es/codegen) Emit non-finite numeric literals

  • (es/decorators) Avoid class state leakage for nested undecorated classes

  • (es/minifier) Apply ToInt32 when folding bitwise NOT

  • (es/minifier) Avoid inexact number radix folding

  • (es/minifier) Preserve invalid Array lengths

  • (es/minifier) Preserve non-canonical arguments access

  • (es/minifier) Apply ToUint16 in fromCharCode

  • (es/minifier) Index strings by UTF-16 code unit

  • (es/minifier) Use numeric literals for non-finite values

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

  • (es/optimization) Preserve JSON numeric values

  • (es/transforms) Use numeric literals for non-finite enum values

  • (es/typescript) Evaluate cooked enum templates

  • (html/minifier) Preserve JSON script boundaries

  • (testing) Check ignored fixtures relative to crate root

  • (ts/fast-strip) Preserve ASI before interpolated templates

  • (ts/fast-strip) Preserve UTF-16 source positions

Features

  • (es/minifier) Expand support for trivial spreads

  • (es/react-compiler) Expose reactCompiler.environment.enableFunctionOutlining

Performance

  • (es/renamer) Skip identity rename mappings on apply