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Kamil Paradowski 54b88d9dea ArrayBuffer support to ObjC TurboModules

Summary:
Adds ArrayBuffer support to ObjC TurboModules, following the C++ ArrayBuffer PR ([`226ef2e`](https://github.com/facebook/react-native/commit/226ef2e7c5d1928d5696dc23efc1b8950ba00e37)).

- Codegen support for `ArrayBufferTypeAnnotation` in ObjC module specs (`NSMutableData *` params/returns, new `ArrayBufferKind`)
- JSI↔ObjC conversion wraps native-backed buffers zero-copy via `-[NSMutableData initWithBytesNoCopy:length:deallocator:]`; the deallocator retains the backing store so the bytes stay valid even if the `NSMutableData` escapes the call or the source ArrayBuffer is garbage-collected
- JS-backed buffers are copied, which is safe on both the synchronous and asynchronous paths

This PR is iOS-only; Android support follows in a separate PR.

## Changelog:

[IOS] [ADDED] - Add ArrayBuffer support to ObjC TurboModules

X-link: https://github.com/facebook/react-native/pull/56986

Reviewed By: javache

Differential Revision: D106846249

Pulled By: christophpurrer

fbshipit-source-id: 3393d5d6f31a1412f5d52328c90e51205aa6b153

2026-06-27 23:41:58 -07:00

e2e

Redo modern syntax rollout in react-native (#57034 )

2026-06-03 07:21:54 -07:00

scripts

Replace glob@^7.0.0 with tinyglobby@^0.2.15 (#54737 )

2025-12-03 05:45:48 -08:00

src

ArrayBuffer support to ObjC TurboModules

2026-06-27 23:41:58 -07:00

.babelrc

switch to hermes for react-native-codegen (#56024 )

2026-03-10 13:53:04 -07:00

build.prettierrc

Use the prettier config at the root for react-native-codegen (#52746 )

2025-07-21 19:45:34 -07:00

package.json

Update package.json references to GitHub org "facebook" -> "react" (#57258 )

2026-06-18 02:00:52 -07:00

README.md

Standardize secondary package READMEs (#57273 )

2026-06-18 07:04:44 -07:00

README.md

@react-native/codegen

Code generation tools for React Native. Parses TypeScript and Flow NativeModule and Component specs and generates the native binding code used by the New Architecture.