# napi-derive

# napi-derive-v3.5.9

7/3/2026

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v5.1.1

7/3/2026

# Other

• (napi) share class accessor trampolines (#3364)
• optimize object field raw property access (#3365)

# napi-derive-v3.5.8

7/1/2026

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v5.1.0

7/1/2026

# Added

• (napi) implement To/FromNapiValue for OsString, OsStr, Path and PathBuf (#3339)

# napi-derive-v3.5.7

6/24/2026

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v5.0.5

6/24/2026

# Other

• (napi-derive) outline #[napi(object)] field-error decoration (#3338)

# napi-derive-v3.5.6

5/13/2026

# Fixed

• (napi) invalid TypeScript generic syntax for type aliases (#3289)
• (deps) update rust crate ctor to v1 (#3276)
• (deps) update rust crate ctor to 0.13.0 (#3275)
• (deps) update rust crate ctor to 0.12.0 (#3271)

# napi-derive-v3.5.5

4/29/2026

# Fixed

• (deps) update rust crate ctor to 0.11.0 (#3270)
• (napi) Convert #[ctor] calls to declarative form to remove all features (#3257)

# napi-derive-backend-v5.0.4

4/29/2026

# Fixed

• (napi-derive) only FnArgs unpacks tuple to variadic params (#3264)
• (napi) Convert #[ctor] calls to declarative form to remove all features (#3257)

# napi-derive-v3.5.4

4/15/2026

# Fixed

• (deps) update rust crate ctor to v0.10.0 (#3224)
• (deps) disable ctor priority feature (#3209)
• (deps) update rust crate ctor to v0.9.1 (#3204)

# napi-derive-backend-v5.0.3

4/15/2026

# Fixed

• (napi) preserve generator class methods (#3231)

# napi-derive-v3.5.3

3/28/2026

# Fixed

• (deps) update rust crate ctor to v0.8.0 (#3170)
• (deps) update rust crate ctor to v0.7.0 (#3169)

# napi-derive-v3.5.2

2/14/2026

# Fixed

• (deps) update rust crate convert_case to 0.11 (#3114)

# napi-derive-backend-v5.0.2

2/14/2026

# Fixed

• (deps) update rust crate convert_case to 0.11 (#3114)
• (napi-derive) escape * in comments (#3109)

# napi-derive-v3.5.1

1/8/2026

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v5.0.1

1/8/2026

# Fixed

• (napi) memory leak in async fn (#3089)

# napi-derive-v3.5.0

12/30/2025

# Added

• (napi-derive) add #[napi(async_iterator)] macro attribute (#3072)

# napi-derive-backend-v5.0.0

12/30/2025

# Added

• (napi-derive) add #[napi(async_iterator)] macro attribute (#3072)

# napi-derive-v3.4.1

12/19/2025

# Other

• clippy fix for Rust 1.92.0 (#3058)

# napi-derive-backend-v4.0.1

12/19/2025

# Fixed

• (napi-derive) class setter param can't be optional (#3066)

# napi-derive-v3.4.0

12/2/2025

# Added

• (napi-derive) add tracing feature for debug logging NAPI function calls (#3041)

# Fixed

• (deps) update rust crate convert_case to 0.10 (#3031)

# napi-derive-backend-v4.0.0

12/2/2025

# Added

• (napi-derive) add tracing feature for debug logging NAPI function calls (#3041)
• (napi) add node_api_create_object_with_properties support for enum creation (#2990)

# Fixed

• (napi-derive) add paren for function types (#3044)
• (deps) update rust crate convert_case to 0.10 (#3031)

# napi-derive-v3.3.3

11/10/2025

# Fixed

• (deps) update rust crate convert_case to 0.9 (#3001)

# Other

• (napi) fix tsdown config (#3010)

# napi-derive-backend-v3.0.2

11/10/2025

# Fixed

• (deps) update rust crate convert_case to 0.9 (#3001)

# Other

• (napi) fix tsdown config (#3010)

# napi-derive-v3.3.2

11/7/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-v3.3.1

11/7/2025

# Other

• (napi) Promise and ThreadsafeFunction::call_async don't require tokio (#2998)

# napi-derive-backend-v3.0.1

11/7/2025

# Fixed

• (napi-derive) TypedArray typegen (#3005)

# napi-derive-v3.3.0

10/24/2025

# Added

• (napi-derive) add discriminant_case to allow changing case of discriminant (#2960)

# Fixed

• (deps) update rust crate ctor to v0.6.0 (#2951)

# Other

• (napi) bump rust-version (#2966)

# napi-derive-backend-v3.0.0

10/24/2025

# Added

• (napi-derive) add discriminant_case to allow changing case of discriminant (#2960)

# Fixed

• (napi) stop ref error object in wasm targets (#2975)

# Other

• (napi) bump rust-version (#2966)
• (napi-derive) make typegen easier to read (#2956)

# napi-derive-v3.2.5

9/8/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.2.0

9/8/2025

# Added

• (napi) support external JsStringLatin1 and JsStringUtf16 (#2898)

# napi-derive-v3.2.4

8/16/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.1.4

8/16/2025

# Fixed

• (napi-derive) codegen issue for &'env [u8] param (#2881)

# Other

• (napi) extends the Set types interoperability (#2875)

# napi-derive-v3.2.3

8/13/2025

# Fixed

• (napi) link issue on cargo test --features noop (#2872)
• (deps) update rust crate ctor to v0.5.0 (#2865)

# napi-derive-backend-v2.1.3

8/13/2025

# Fixed

• (napi) link issue on cargo test --features noop (#2872)

# napi-derive-v3.2.2

8/9/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.1.2

8/9/2025

# Fixed

• (napi-derive) comments idents regression (#2857)

# napi-derive-v3.2.1

8/8/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.1.1

8/8/2025

# Fixed

• (napi) handle the return_if_invalid for Array param (#2846)

# napi-derive-v3.2.0

8/7/2025

# Added

• (napi) add ScopeGenerator trait (#2831)
• make generator an iterator (#2784)

# napi-derive-backend-v2.1.0

8/7/2025

# Added

• make generator an iterator (#2784)

# napi-derive-v3.1.2

7/30/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.0.3

7/30/2025

# Fixed

• (napi-derive) generate types for threadsafe_function with WEAK=true correctly (#2813)

# napi-derive-v3.1.1

7/22/2025

# Other

• updated the following local packages: napi-derive-backend

# napi-derive-backend-v2.0.2

7/22/2025

# Fixed

• (napi-derive) lifetime codegen issue (#2794)

# napi-derive-v3.1.0

7/21/2025

# Added

• (napi) provide ScopedTask to resolve JsValue with lifetime (#2786)

# Other

• pin release-plz action

# napi-derive-backend-v2.0.1

7/21/2025

# Other

• pin release-plz action

# napi-derive@3.0.0-beta.12

7/4/2025

# What's Changed

• feat(napi): add napi_ref impl for Object Symbol and External by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2754
• feat(napi): support untyped TypedArray slice by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2762

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.11...napi-derive@3.0.0-beta.12

# napi-derive@3.0.0-beta.11

6/30/2025

# What's Changed

• fix(napi-derive): generate object key types properly by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2752

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.10...napi-derive@3.0.0-beta.11

# napi-derive@3.0.0-beta.10

6/25/2025

# What's Changed

• fix(napi-derive): single parentheses arg is provided in ThreadsafeFunction by @camc314 in https://github.com/napi-rs/napi-rs/pull/2742
• style: run clippy on nightly Rust by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2744

# New Contributors

• @camc314 made their first contribution in https://github.com/napi-rs/napi-rs/pull/2742

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.91...napi-derive@3.0.0-beta.10

# napi-derive@3.0.0-beta.9

6/24/2025 Version bump only

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.90...napi-derive@3.0.0-beta.9

# napi-derive@3.0.0-beta.8

6/8/2025

# What's Changed

• fix(napi-derive): using js_name generating wrong type defs by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2700
• fix(napi-derive): panic while creating type definition when Rust comment contains escape syntax by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2701

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.6...napi-derive@3.0.0-beta.8

# napi-derive@3.0.0-beta.5

6/4/2025

# What's Changed

• fix: revalidate shared libs if type def not found by @forehalo in https://github.com/napi-rs/napi-rs/pull/2689

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.4...napi-derive@3.0.0-beta.5

# napi-derive@3.0.0-beta.4

6/3/2025

# What's Changed

• fix(napi-derive): Either<f64, u32> should generate number ts type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2683
• fix: type generation for shared libs by @forehalo in https://github.com/napi-rs/napi-rs/pull/2684

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.3...napi-derive@3.0.0-beta.4

# napi-derive@3.0.0-beta.3

5/29/2025

# What's Changed

Bump version only

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-beta.2...napi-derive@3.0.0-beta.3

# napi-derive@3.0.0-beta.2

5/22/2025

# What's Changed

Version bump only

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.1...napi-derive@3.0.0-beta.2

# napi-derive@3.0.0-beta.1

5/19/2025

# What's Changed

• fix(napi-derive): #[cfg_attr(feature = "xxx", napi)] by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2640
• style(napi-derive): clippy fix by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2647
• fix(napi-derive): disallow JsValue assign to napi class as a field by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2648

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-beta.0...napi-derive@3.0.0-beta.1

# napi-derive@3.0.0-beta.0

5/16/2025

# What's Changed

• fix(napi-derive): make_ref with Vec<&S> cases by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2589
• feat(napi-derive): auto invalid type gen by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2638

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-build@2.1.6...napi-derive@3.0.0-beta.0

# napi-derive@3.0.0-alpha.29

3/16/2025

# What's Changed

• fix(deps): update rust crate ctor to 0.4.0 by @renovate in https://github.com/napi-rs/napi-rs/pull/2482
• fix(deps): update rust crate convert_case to 0.8 by @renovate in https://github.com/napi-rs/napi-rs/pull/2483
• fix(napi-derive): add object_from_js and object_to_js support for enum by @CPunisher in https://github.com/napi-rs/napi-rs/pull/2489

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.31...napi-derive@3.0.0-alpha.29

# napi-derive@3.0.0-alpha.26

2/11/2025

# What's Changed

• fix(napi-derive): enable tuple fields to support js_name attribute by @lghuahua in https://github.com/napi-rs/napi-rs/pull/2439
• feat(napi-derive): impl #[napi(array)] by @lghuahua in https://github.com/napi-rs/napi-rs/pull/2459
• refactor!(napi): TypedArray API surfaces by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2462

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.67...napi-derive@3.0.0-alpha.26

# napi-derive@3.0.0-alpha.25

1/12/2025

# What's Changed

• fix(napi-derive): hide the lifetime recursively in codegen by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2426

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.24...napi-derive@3.0.0-alpha.25

# napi-derive@3.0.0-alpha.24

1/12/2025

# What's Changed

• fix(deps): update rust crate convert_case to 0.7 by @renovate in https://github.com/napi-rs/napi-rs/pull/2422
• feat(napi): allow create ReadableStream from polyfill by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2424

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.25...napi-derive@3.0.0-alpha.24

# napi-derive@3.0.0-alpha.23

1/4/2025

# What's Changed

• refactor!(napi): arguments tuple behavior by @adespawn in https://github.com/napi-rs/napi-rs/pull/2401
• fix(napi): Function call with empty tuple should generate empty arguments by @richerfu in https://github.com/napi-rs/napi-rs/pull/2407
• feat(napi): add get and try_get for FunctionCallContext by @richerfu in https://github.com/napi-rs/napi-rs/pull/2409
• feat(napi-derive): support type on #[napi] by @lghuahua in https://github.com/napi-rs/napi-rs/pull/2416
• feat(napi): impl ReadableStream and AsyncGenerator by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2418

# New Contributors

• @ganthern made their first contribution in https://github.com/napi-rs/napi-rs/pull/2402
• @lghuahua made their first contribution in https://github.com/napi-rs/napi-rs/pull/2416

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.23...napi-derive@3.0.0-alpha.23

# napi-derive@2.16.13

12/3/2024

# What Changed

• fix(napi-derive): undefined feature flags in expanded macro by @Brooooooklyn https://github.com/napi-rs/napi-rs/commit/9581f785e02fd08a2be70d064e6eb167ea729176

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.16.13...napi-derive@2.16.13

# napi-derive@3.0.0-alpha.21

12/3/2024

# What's Changed

• fix(napi-derive): generate correct types for HashMap with RandomState argument by @sapphi-red in https://github.com/napi-rs/napi-rs/pull/2384
• fix(napi-derive): object_from_js / object_to_js for transparent was swapped by @sapphi-red in https://github.com/napi-rs/napi-rs/pull/2382

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.21...napi-derive@3.0.0-alpha.21

# napi-derive@3.0.0-alpha.20

11/30/2024

# What's Changed

• fix(backend): fix type when function as object field by @richerfu in https://github.com/napi-rs/napi-rs/pull/2359
• feat(napi-derive): allow ts_type in napi fn attrs by @Frank-III in https://github.com/napi-rs/napi-rs/pull/2362
• feat(napi-derive): implement #[napi(transparent)] by @sapphi-red in https://github.com/napi-rs/napi-rs/pull/2376
• chore: Rust 1.83.0 clippy fix by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2378

# New Contributors

• @Frank-III made their first contribution in https://github.com/napi-rs/napi-rs/pull/2362

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.19...napi-derive@3.0.0-alpha.20

# napi-derive@3.0.0-alpha.19

11/13/2024

# What's Changed

• fix(napi-derive): object lifetime compile issue by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2351

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.18...napi-derive@3.0.0-alpha.19

# napi-derive@3.0.0-alpha.18

11/7/2024

# What's Changed

• chore(napi-derive): remove unused dependency regex from napi-derive-backend by @Adjective-Object in https://github.com/napi-rs/napi-rs/pull/2344

# New Contributors

• @Adjective-Object made their first contribution in https://github.com/napi-rs/napi-rs/pull/2344

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.17...napi-derive@3.0.0-alpha.18

# napi-derive@3.0.0-alpha.17

10/31/2024

# What's Changed

• feat(napi): introduce AsyncBlock to let user dispose resources after future done by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2338

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-sys@3.0.0-alpha.0...napi-derive@3.0.0-alpha.17

# napi-derive@3.0.0-alpha.16

10/28/2024

# What's Changed

• fix(napi-derive): ra warning on Rust 1.82 by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2329
• feat(napi): implmenet Set by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2330
• feat(napi): support return *const c_char to JavaScript directly by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2332

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.15...napi-derive@3.0.0-alpha.16

# napi-derive@3.0.0-alpha.15

10/21/2024

# What's Changed

• refactor!(napi): remove &str FromNapiValue by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2323

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.14...napi-derive@3.0.0-alpha.15

# napi-derive@3.0.0-alpha.14

10/13/2024

# What's Changed

• feat(napi,napi-derive): allow lifetime in Class by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2298

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.13...napi-derive@3.0.0-alpha.14

# napi-derive@3.0.0-alpha.13

10/2/2024

# What's Changed

• fix(napi-derive-backend): should respect origin name for class factory by @richerfu in https://github.com/napi-rs/napi-rs/pull/2280
• refactor!(napi,napi-derive): add lifetime to ClassInstance by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2286

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.12...napi-derive@3.0.0-alpha.13

# napi-derive@3.0.0-alpha.12

9/23/2024

# What's Changed

• feat(napi-derive): add async_runtime attribute by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2270

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.11...napi-derive@3.0.0-alpha.12

# napi-derive@3.0.0-alpha.11

9/21/2024

# What's Changed

• feat(napi-derive): allow napi fn with lifetime by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2266

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@3.0.0-alpha.11...napi-derive@3.0.0-alpha.11

# napi-derive@3.0.0-alpha.10

9/20/2024

# What's Changed

• refactor(napi-derive): expand order by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2265

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.9...napi-derive@3.0.0-alpha.10

# napi-derive@3.0.0-alpha.9

9/19/2024

# What's Changed

• fix(derive): fix clippy warning with newer rust version by @richerfu in https://github.com/napi-rs/napi-rs/pull/2262

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.8...napi-derive@3.0.0-alpha.9

# napi-derive@2.16.12

9/12/2024

# What Changed

• fix(napi-derive): string enum validate logic #2213 @Brooooooklyn
• fix(napi-derive): warning in empty enum codegen #2214 @Brooooooklyn
• fix(napi,napi-derive): ffi lifetime and pointer sound issues #2216 @cathy-sjh
• fix(napi-derive): replace self when function returns Result #2224 @CPunisher
• perf(macro): constructor don't support asynchronous function #2239 @richerfu
• fix(napi-derive): call flush on the BufWriter #2242 @richerfu

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.10...napi-derive@2.16.12

# napi-derive@3.0.0-alpha.8

9/12/2024

# What's Changed

• fix: missing impl for FromNapiValue due to object_from_js being false by @SyMind in https://github.com/napi-rs/napi-rs/pull/2197
• fix(napi-derive): add more cases for typegen of function args by @CPunisher in https://github.com/napi-rs/napi-rs/pull/2210
• fix(napi-derive): string enum validate logic by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2213
• fix(napi-derive): warning in empty enum codegen by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2214
• fix(napi,napi-derive): ffi lifetime and pointer sound issues by @cathy-sjh in https://github.com/napi-rs/napi-rs/pull/2216
• fix(napi-derive): replace self when function returns Result by @CPunisher in https://github.com/napi-rs/napi-rs/pull/2224
• feat: support structured enum with discriminated unions by @CPunisher in https://github.com/napi-rs/napi-rs/pull/2222
• fix(napi-derive): tuple object and enum by @CPunisher in https://github.com/napi-rs/napi-rs/pull/2227
• perf(macro): constructor don't support asynchronous function by @richerfu in https://github.com/napi-rs/napi-rs/pull/2239
• fix(napi-derive): call flush on the BufWriter by @richerfu in https://github.com/napi-rs/napi-rs/pull/2242

# New Contributors

• @CPunisher made their first contribution in https://github.com/napi-rs/napi-rs/pull/2210
• @cathy-sjh made their first contribution in https://github.com/napi-rs/napi-rs/pull/2216
• @markovalenko made their first contribution in https://github.com/napi-rs/napi-rs/pull/2220
• @DonIsaac made their first contribution in https://github.com/napi-rs/napi-rs/pull/2233

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.7...napi-derive@3.0.0-alpha.8

# napi-derive@2.16.11

8/10/2024

# What Changed

• fix(napi-derive): add more cases for typegen of function args by @CPunisher #2210

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.10...napi-derive@2.16.11

# napi-derive@2.16.10

7/23/2024

# What Changed

• fix(napi-derive): call flush on the BufWriter by @lbarthon in https://github.com/napi-rs/napi-rs/pull/2195

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.9...napi-derive@2.16.10

# napi-derive@3.0.0-alpha.7

7/23/2024

# What's Changed

• fix(napi-derive): call flush on the BufWriter by @lbarthon in https://github.com/napi-rs/napi-rs/pull/2195

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.6...napi-derive@3.0.0-alpha.7

# napi-derive@2.16.9

7/16/2024

# What's Changed

• fix: napi getter macros by @SyMind in https://github.com/napi-rs/napi-rs/pull/2188

# New Contributors

• @SyMind made their first contribution in https://github.com/napi-rs/napi-rs/pull/2188

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.8...napi-derive@2.16.9

# napi-derive@3.0.0-alpha.6

7/16/2024

# What's Changed

• fix: napi getter macros by @SyMind in https://github.com/napi-rs/napi-rs/pull/2188

# New Contributors

• @SyMind made their first contribution in https://github.com/napi-rs/napi-rs/pull/2188

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.59...napi-derive@3.0.0-alpha.6

# napi-derive@2.16.8

7/1/2024

# What changed

• fix(napi-derive): missing declare keyword for function

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.7...napi-derive@2.16.8

# napi-derive@3.0.0-alpha.3

7/1/2024

# What's Changed

• fix(napi-derive): class constructor and factory should support custom error status by @richerfu in https://github.com/napi-rs/napi-rs/pull/2161

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@3.0.0-alpha.2...napi-derive@3.0.0-alpha.3

# napi-derive@2.16.4

5/6/2024

# What's Changed

• style: fix clippy errors by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2090

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.3...napi-derive@2.16.4

# napi-derive@2.16.3

4/18/2024

# What Changed

• fix(napi-derive): bail the unexpected factory directive by @Brooooooklyn #2051

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.16.4...napi-derive@2.16.3

# napi-derive@2.16.2

4/10/2024

# What's Changed

• feat(napi-derive): enhance the error messages in object validator by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/2034

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.1...napi-derive@2.16.2

# napi-derive@2.16.1

3/26/2024

# What's Changed

• feat(napi-derive): add optional enum_string case conversion by @andrewtoth in https://github.com/napi-rs/napi-rs/pull/1995

# New Contributors

• @andrewtoth made their first contribution in https://github.com/napi-rs/napi-rs/pull/1995

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.16.0...napi-derive@2.16.1

# napi-derive@2.16.0

2/28/2024

# What's Changed

• feat(napi-derive): add use_nullable attribute by @sup39 in https://github.com/napi-rs/napi-rs/pull/1971
• style(napi-derive): clippy fix by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1976
• fix(napi-derive): HashMap/IndexMap and slice generated types by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1977
• fix(napi-derive): wrong dependency condition by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1980

# New Contributors

• @sup39 made their first contribution in https://github.com/napi-rs/napi-rs/pull/1971

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.15.4...napi-derive@2.16.0

# napi-derive@2.15.1

2/8/2024

# What's Changed

• fix(napi-derive): serde Number typing by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1941

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.15.1...napi-derive@2.15.1

# napi-derive@2.15.0

1/26/2024

# What's Changed

• feat(napi): new Function/FunctionRef API by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1913
• fix(napi-derive): JsArrayBuffer generated type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1922

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.14.6...napi-derive@2.15.0

# napi-derive@2.14.6

12/27/2023

# What's Changed

• fix(napi-derive): proc-macro crash on enum by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1870

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.14.5...napi-derive@2.14.6

# napi-derive@2.14.5

12/27/2023

# What's Changed

• fix(napi-derive): catch_unwind on constructor by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1869

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.24...napi-derive@2.14.5

# napi-derive@2.14.4

12/13/2023

# What's Changed

• fix(napi-derive): upgrade syn by @forehalo in https://github.com/napi-rs/napi-rs/pull/1849

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.14.3...napi-derive@2.14.4

# napi-derive@2.14.3

12/11/2023

# What's Changed

• fix(napi-derive,cli): register function cross crates by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1848

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@3.0.0-alpha.15...napi-derive@2.14.3

# napi-derive@2.14.2

11/20/2023

# What's Changed

• fix(napi-derive): compile warning by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1820
• fix(napi): compile error for wasm32-unknown-unknown target by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1822

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.14.1...napi-derive@2.14.2

# napi-derive@2.14.1

11/8/2023

# What's Changed

• fix(napi-derive): async task void output type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1795
• fix(napi-derive): async task optional output type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1796

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-sys@2.3.0...napi-derive@2.14.1

# napi-derive@2.14.0

11/7/2023

# What's Changed

• fix(napi-derive): throw is not a valid identifier when generating getters and setters by @yoogoc in https://github.com/napi-rs/napi-rs/pull/1701
• feat: integrate with emnapi, support wasm32-wasi-preview1-threads target by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1669

# napi-derive@2.12.5

4/26/2023

# What's Changed

• fix(napi-derive): increase initial ref count in async fn by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1577

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.12.4...napi-derive@2.12.5

# napi-derive@2.12.4

4/25/2023

# What's Changed

• feat: clean napi-derive noop feature code path by @forehalo in https://github.com/napi-rs/napi-rs/pull/1571

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.12.5...napi-derive@2.12.4

# napi-derive@2.12.3

4/11/2023

# Core features

#[napi(string_enum)]
pub enum Status {
  Pristine,
  Loading,
  Ready,
}

⬇️⬇️⬇️⬇️⬇️

export const enum Status {
  Pristine = 'Pristine',
  Loading = 'Loading',
  Ready = 'Ready'
}

# What's Changed

• feat(napi-derive): add support for string enums by @nebarf in https://github.com/napi-rs/napi-rs/pull/1551

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.12.2...napi-derive@2.12.3

# napi-derive@2.12.2

3/22/2023

# What's Changed

• fix(cli,napi-derive): backward compatible with older cli with #1531 by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1536

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.12.1...napi-derive@2.12.2

# napi-derive@2.12.1

3/21/2023

# What's Changed

• fix(cli,napi-derive): re-export types from shared crate by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1531

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.12.0...napi-derive@2.12.1

# napi-derive@2.12.0

3/21/2023

# What's Changed

• feat: export registers in wasm32 target by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1529

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.11.4...napi-derive@2.12.0

# napi-derive@2.11.2

3/14/2023

# What's Changed

• chore(napi-derive): remove thread_local from dependenies by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1506

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.11.1...napi-derive@2.11.2

# napi-derive@2.11.1

2/18/2023

# Changes

• Part of https://github.com/napi-rs/napi-rs/releases/tag/%40napi-rs%2Fcli%402.14.8 by @forehalo

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@2.14.8...napi-derive@2.11.1

# napi-derive@2.10.1

1/31/2023

# What's Changed

• fix(napi-derive): incorrect Task output type in some cases by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1466

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.10.0...napi-derive@2.10.1

# napi-derive@2.10.0

1/24/2023

# Highlights

# ThreadsafeFunction as params and object fields

#[napi]
pub fn accept_callback(callback: ThreadsafeFunction<u32>) {
  std::thread::spawn(move || {
    callback.call(200);
  });
}

⬇️⬇️⬇️⬇️⬇️

export function acceptCallback(callback: (err: Error | null, value: number) -> any)

# Disable ToNapiValue for Object

With the object_to_js = false filed, the ThreadsafeFunction could be set as an Object field.

#[napi(object, object_to_js = false)]
pub struct Options {
  pub enable_jsx: bool,
  pub on_data: ThreadsafeFunction<Vec<u8>>,
}

# What's Changed

• feat(napi-derive): generate ThreadsafeFunction types by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1449
• feat(napi-derive): allow partial implement From/To Napivalue for Object by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1448
• chore(napi-derive): allow unsafe async &mut self by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1453

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@2.14.4...napi-derive@2.10.0

# napi-derive@2.9.5

1/14/2023

# What's Changed

• fix(napi-derive): fix union type generation for ts function notation by @h-a-n-a in https://github.com/napi-rs/napi-rs/pull/1439

Full Changelog: https://github.com/napi-rs/napi-rs/compare/@napi-rs/cli@2.14.3...napi-derive@2.9.5

# napi-derive@2.9.4

1/13/2023

# What's Changed

• fix(napi-derive): remove ts type on field attrs for feature noop by @h-a-n-a in https://github.com/napi-rs/napi-rs/pull/1436

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.10.6...napi-derive@2.9.4

# napi-derive@2.9.3

12/9/2022

# What's Changed

• Better error message for #[napi(catch_unwind)] by @simonvandel in https://github.com/napi-rs/napi-rs/pull/1383

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.9.2...napi-derive@2.9.3

# napi-derive@2.9.1

9/8/2022

# What's Changed

• fix(napi-derive): should not generate this types for Constructor/Getter/Setter by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1291
• pin minimum usable version of dependency syn by @mat-if in https://github.com/napi-rs/napi-rs/pull/1293

# New Contributors

• @mat-if made their first contribution in https://github.com/napi-rs/napi-rs/pull/1293

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.9.0...napi-derive@2.9.1

# napi-derive@2.9.0

8/23/2022

# What's Changed

• fix(napi-derive): fix macro expansion naming shadow by @JSerFeng in https://github.com/napi-rs/napi-rs/pull/1278
• feat(napi-derive): catch_unwind attribute by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1280

# New Contributors

• @JSerFeng made their first contribution in https://github.com/napi-rs/napi-rs/pull/1278

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.8.0...napi-derive@2.9.0

# napi-derive@2.8.0

8/17/2022

# What's Changed

• feat(napi-derive): implement instance_of for Class by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1272
• feat(napi-derive): support inject This<Value> into raw function by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1273

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.7.0...napi-derive@2.8.0

# napi-derive@2.7.0

8/7/2022

# What's Changed

• feat(napi-derive): support set property attribute in napi macro by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1257
• feat(napi-derive): Support #[napi(strict)] on &T and &mut T by @Hywan in https://github.com/napi-rs/napi-rs/pull/1238

# napi-derive@2.6.0

7/6/2022

# What's Changed

• feat(napi-derive): support return_if_invalid by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1219
• feat(napi-derive): allow injecting this in class method by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1221

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.5.0...napi-derive@2.6.0

# napi-derive@2.5.0

6/10/2022

# What's Changed

• Add rust-version field to Cargo.tomls by @messense in https://github.com/napi-rs/napi-rs/pull/1190
• feat(napi-derive): add ts_arg_type attribute to override individual args on functions by @jose-acevedoflores in https://github.com/napi-rs/napi-rs/pull/1192

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.4.1...napi-derive@2.5.0

# napi-derive@2.3.3

4/27/2022

# What's Changed

• fix(napi-derive): invalid TypeScript return type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1155

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.3.2...napi-derive@2.3.3

# napi-derive@2.3.2

4/27/2022

# What's Changed

• fix(napi-derive): should transform struct case on Impl by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1148

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.3.1...napi-derive@2.3.2

# napi-derive@2.3.1

4/25/2022

# What's Changed

• Add build option to not include the header in dts file by @ceifa in https://github.com/napi-rs/napi-rs/pull/1140
• Simplify the optional values in generated declaration file by @ceifa in https://github.com/napi-rs/napi-rs/pull/1141
• Add u64 to BigInt conversion through From trait by @ceifa in https://github.com/napi-rs/napi-rs/pull/1143

# New Contributors

• @ceifa made their first contribution in https://github.com/napi-rs/napi-rs/pull/1140

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.3.1...napi-derive@2.3.1

# napi-derive@2.1.0

2/9/2022

# What's Changed

• feat(napi-derive): add ts_type attribute to override typescript type for fields in structs by @jose-acevedoflores in https://github.com/napi-rs/napi-rs/pull/1041
• fix(napi-derive): an Option in front of a required parameter is no … by @JoostK in https://github.com/napi-rs/napi-rs/pull/1043
• feat(napi-derive): get_js_function by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1048

# New Contributors

• @JoostK made their first contribution in https://github.com/napi-rs/napi-rs/pull/1043
• @AlCalzone made their first contribution in https://github.com/napi-rs/napi-rs/pull/1052

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.8...napi-derive@2.1.0

# napi-derive@2.0.8

1/18/2022

# What's Changed

• Correctly escape backslash in type definition doc comments by @timfish in https://github.com/napi-rs/napi-rs/pull/1034

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.7...napi-derive@2.0.8

# napi-derive@2.0.7

1/7/2022

# What's Changed

• fix(napi-derive): BigInt in TypeScript should be bigint by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1015

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.6...napi-derive@2.0.7

# napi-derive@2.0.6

1/6/2022

# What's Changed

• fix(napi-derive): should throw rather than panic if object mismatched by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1010
• fix(napi-derive): implement missing trait for JsClass reference by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1011
• chore(napi-derive): update convert_case by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/1012

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.5...napi-derive@2.0.6

# napi-derive@2.0.5

1/4/2022

# What's Changed

• Unraw rust identifiers before sending it to js. by @fluxxu in https://github.com/napi-rs/napi-rs/pull/987

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.4...napi-derive@2.0.5

# napi-derive@2.0.4

12/24/2021

# What's Changed

• fix(napi-derive): missing wrap in NAPI-RS created class instance by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/967
• fix(napi-derive): ignore warnings on generated fn by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/969

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.3...napi-derive@2.0.4

# napi-derive@2.0.3

12/24/2021

# What's Changed

• Fix return instance from non-default constructor Class by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/966

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.2...napi-derive@2.0.3

# napi-derive@2.0.2

12/23/2021

# What's Changed

• fix(napi-derive): return Class instance in fn by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/964

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.1...napi-derive@2.0.2

# napi-derive@2.0.1

12/21/2021

# What's Changed

• fix(napi-derive-backend): Null and Undefined return type by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/940
• Add skip_typescript attribute for macro by @h-a-n-a in https://github.com/napi-rs/napi-rs/pull/947

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.0...napi-derive@2.0.1

# napi-derive@2.0.0-beta.5

12/8/2021

# Bugfix

• Missing crate prefix in generated class https://github.com/napi-rs/napi-rs/commit/cd7c7a342f1c74f9a31a3499aac98dd8303d6d10 @Brooooooklyn

# napi-derive@2.0.0-beta.4

12/8/2021

# Feature

• Add noop feature to disable codegen of #[napi] @Brooooooklyn

This feature is useful for sharing code between Node.js native addon and wasm

# napi-derive@2.0.0-beta.3

12/7/2021

# What's Changed

• Skip set object property if it is None https://github.com/napi-rs/napi-rs/pull/917 @Brooooooklyn

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi@2.0.0-beta.3...napi-derive@2.0.0-beta.3

# napi-derive@2.0.0-beta.2

12/6/2021

# What's Changed

• fix(napi-derive): disable register logic in rust test by @Brooooooklyn in https://github.com/napi-rs/napi-rs/pull/906

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.0-beta.1...napi-derive@2.0.0-beta.2

# napi-derive@2.0.0-beta.1

12/2/2021

# Bugfix

• Correct the aliased type generation https://github.com/napi-rs/napi-rs/pull/902/commits/b2fea4d5b3aef4a4df4ccecca7cf7f5a30659e40 @Brooooooklyn
• Do not unwrap Option value in object getter if the type of field is Option https://github.com/napi-rs/napi-rs/pull/902/commits/6d4b4af36f9c37ed1cff694f2a267668a1b843de @Brooooooklyn

# napi-derive@2.0.0-alpha.10

11/29/2021

# Features

• Output Rust doc comments in definitions as jsdoc comments #885 @timfish

/// `constructor` option for `struct` requires all fields to be public,
/// otherwise tag impl fn as constructor
/// #[napi(constructor)]
#[napi]
pub struct Animal {
  #[napi(readonly)]
  /// Kind of animal
  pub kind: Kind,

  name: String,
}

#[napi]
impl Animal {
  /// This is the constructor
  #[napi(constructor)]
  pub fn new(kind: Kind, name: String) -> Self {
    Animal { kind, name }
  }

  /// This is a factory method
  #[napi(factory)]
  pub fn with_kind(kind: Kind) -> Self {
    Animal {
      kind,
      name: "Default".to_owned(),
    }
  }

  #[napi(getter)]
  pub fn get_name(&self) -> &str {
    self.name.as_str()
  }

  #[napi(setter)]
  pub fn set_name(&mut self, name: String) {
    self.name = name;
  }

  /// This is a
  /// multi-line comment
  /// with an emoji 🚀
  #[napi]
  pub fn whoami(&self) -> String {
    match self.kind {
      Kind::Dog => {
        format!("Dog: {}", self.name)
      }
      Kind::Cat => format!("Cat: {}", self.name),
      Kind::Duck => format!("Duck: {}", self.name),
    }
  }

  #[napi]
  /// This is static...
  pub fn get_dog_kind() -> Kind {
    Kind::Dog
  }
}

⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️

/**
 * `constructor` option for `struct` requires all fields to be public,
 * otherwise tag impl fn as constructor
 * #[napi(constructor)]
 */
export class Animal {
  /** Kind of animal */
  readonly kind: Kind
  /** This is the constructor */
  constructor(kind: Kind, name: string)
  /** This is a factory method */
  static withKind(kind: Kind): Animal
  get name(): string
  set name(name: string)
  /**
   * This is a
   * multi-line comment
   * with an emoji 🚀
   */
  whoami(): string
  /** This is static... */
  static getDogKind(): Kind
}

# napi-derive@2.0.0-alpha.9

11/26/2021

# Features

• Support rename function args and return type #884 @Brooooooklyn

use napi::bindgen_prelude::*;
use napi_derive::napi;

#[napi(ts_args_type = "a: { foo: number }", ts_return_type = "string[]")]
fn ts_rename(a: Object) -> Result<Object> {
  a.get_property_names()
}

⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️

export function tsRename(a: { foo: number }): string[]

# napi-derive@2.0.0-alpha.6

11/16/2021

# What's Changed

• Generate TypeScript optional types from Rust Option

#[napi]
fn map_option(val: Option<u32>) -> Option<u32> {
  val.map(|v| v + 1)
}

export function mapOption(val?: number | undefined | null): number | undefined | null

#[napi]
pub struct Context {
  data: String,
  pub maybe_need: Option<bool>,
}

export class Context {
  maybeNeed?: boolean | undefined | null
}

#[napi]
fn read_file<T: Fn(Result<()>, Option<String>) -> Result<()>>(callback: T) {
  match read_file_content() {
    Ok(s) => callback(Ok(()), Some(s)),
    Err(e) => callback(Err(e), None),
  }
  .unwrap();
}

export function readFile(callback: (arg0: Error | undefined, arg1?: string | undefined | null) => void): void

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.0-alpha.5...napi-derive@2.0.0-alpha.6

# napi-derive@2.0.0-alpha.5

11/16/2021

# What's Changed

• fix(napi-derive-backend): JsBuffer should map to Buffer type https://github.com/napi-rs/napi-rs/commit/b8bcdd9c0459cbaf255387da2c2373216dc8cd87 @Brooooooklyn

Full Changelog: https://github.com/napi-rs/napi-rs/compare/napi-derive@2.0.0-alpha.4...napi-derive@2.0.0-alpha.5

# napi-derive@2.0.0-alpha.3

11/10/2021

# Bugfix

• fix(napi-derive-backend): wrong restrict on Result return type 413a555 @Brooooooklyn

# napi-derive-backend@1.0.1

10/1/2021

# Perf

• ignore callback info while no arguments e69a763

# napi-derive@1.1.0

4/1/2021

# Feature

• refactor(napi): split NapiRaw trait from NapiValue https://github.com/napi-rs/napi-rs/pull/524