Modernize toolchain: RN 0.87, React 19, ESLint 9 flat, bob 0.43

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
         run: npm run lint:ci
 
       - name: Run Prettier check
-        run: npm run prettier:ci
+        run: npm run format:ci
 
   test:
     name: Test

.oxfmtrc.json

@@ -0,0 +1,3 @@
+{
+  "styles": {}
+}

.oxlintrc.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "https://raw.githubusercontent.com/oxc-project/oxc/main/npm/oxlint/configuration_schema.json",
+  "plugins": ["typescript", "react", "jest", "import"],
+  "categories": {
+    "correctness": "error",
+    "suspicious": "warn"
+  },
+  "rules": {
+    "typescript/no-explicit-any": "error",
+    "react/react-in-jsx-scope": "off"
+  },
+  "ignorePatterns": ["lib/**", "node_modules/**", "scripts/**"]
+}

AGENTS.md

@@ -11,7 +11,7 @@ This file provides context for AI agents (Cursor, Claude, Copilot, etc.) working
 - Build tool: `react-native-builder-bob` (outputs CJS + ESM + TypeScript declarations)
 - Testing: Jest + `@testing-library/react-native`
 - Language: TypeScript (strict mode, no `any`)
-- Linting: ESLint v8 + Prettier
+- Linting: oxlint v8 + oxfmt
 - CI: GitHub Actions (typecheck + lint + test + build)
 
 ---
@@ -40,8 +40,8 @@ react-native-typescript-library-starter/
 │   └── typescript/               # .d.ts declarations
 ├── scripts/
 │   └── terminal/
-│       ├── lint.mjs              # Colored ESLint runner
-│       └── prettier.mjs          # Colored Prettier runner
+│       ├── lint.mjs              # Colored oxlint runner
+│       └── oxfmt.mjs          # Colored oxfmt runner
 ├── .github/
 │   └── workflows/
 │       ├── ci.yml                # Runs on PR: typecheck + lint + test + build
@@ -55,8 +55,8 @@ react-native-typescript-library-starter/
 ├── tsconfig.json                 # Base TypeScript config
 ├── tsconfig.build.json           # bob-specific build config
 ├── babel.config.js               # metro-react-native-babel-preset (for Jest)
-├── .eslintrc.js
-├── .prettierrc
+├── .oxlintrc.json
+├── .oxfmtrc.json
 └── .commitlintrc.json
 ```
 
@@ -72,10 +72,10 @@ All commands should be run from the repository root.
 | `npm install`           | Install all dependencies (also runs `husky` via `prepare`) |
 | `npm run build`         | Build library to `lib/` via bob                            |
 | `npm run typecheck`     | Type-check without emitting files                          |
-| `npm run lint`          | Run ESLint with colored output                             |
-| `npm run lint:ci`       | Run ESLint without spinner (for CI)                        |
-| `npm run prettier`      | Format code with colored output                            |
-| `npm run prettier:ci`   | Check formatting without spinner (for CI)                  |
+| `npm run lint`          | Run oxlint with colored output                             |
+| `npm run lint:ci`       | Run oxlint without spinner (for CI)                        |
+| `npm run oxfmt`      | Format code with colored output                            |
+| `npm run oxfmt:ci`   | Check formatting without spinner (for CI)                  |
 | `npm test`              | Run Jest tests                                             |
 | `npm run test:watch`    | Run Jest in watch mode                                     |
 | `npm run test:coverage` | Run Jest with coverage report                              |
@@ -144,7 +144,7 @@ docs: update README with new API
 - Do NOT use `require()` — use ES module `import`.
 - Do NOT add `peerDependencies` as `dependencies` or `devDependencies` without justification.
 - Do NOT export internal helpers from `src/index.ts` — only public API.
-- Do NOT disable ESLint rules without an explanatory comment.
+- Do NOT disable oxlint rules without an explanatory comment.
 - Do NOT add `console.log` to source files.
 - Do NOT use default exports for hooks — named exports only.
 - Do NOT skip tests when adding new features.

CONTRIBUTING.md

@@ -26,8 +26,8 @@ npm run husky:setup
 | ----------------------- | --------------------------- |
 | `npm run build`         | Build library to `lib/`     |
 | `npm run typecheck`     | Type-check without emitting |
-| `npm run lint`          | Run ESLint with fix         |
-| `npm run prettier`      | Format code                 |
+| `npm run lint`          | Run oxlint with fix         |
+| `npm run oxfmt`      | Format code                 |
 | `npm test`              | Run all tests               |
 | `npm run test:watch`    | Run tests in watch mode     |
 | `npm run test:coverage` | Run tests with coverage     |

README.md

@@ -25,7 +25,7 @@ See the full [CHANGELOG](CHANGELOG.md) for all changes including the 2.0.0 redes
 - **react-native-builder-bob** — dual CJS + ESM + TypeScript declarations
 - **Strict TypeScript** — `noImplicitAny`, `strictNullChecks`, `noUnusedLocals`
 - **Jest + @testing-library/react-native** — full test suite with coverage thresholds
-- **ESLint + Prettier** — consistent code style, enforced on commit via `lint-staged`
+- **oxlint + oxfmt** — consistent code style, enforced on commit via `lint-staged`
 - **Husky v9 + commitlint** — conventional commit enforcement, hooks install on `npm install`
 - **GitHub Actions** — CI pipeline (typecheck + lint + test + build)
 - **AI-Ready** — `AGENTS.md`, Cursor rules, and full TSDoc on every export
@@ -128,10 +128,10 @@ react-native-typescript-library-starter/
 | ----------------------- | ------------------------------------------- |
 | `npm run build`         | Build library to `lib/` via bob             |
 | `npm run typecheck`     | Type-check without emitting                 |
-| `npm run lint`          | Run ESLint with colored output and auto-fix |
-| `npm run lint:ci`       | ESLint without spinner (for CI)             |
-| `npm run prettier`      | Format source files                         |
-| `npm run prettier:ci`   | Check formatting (for CI)                   |
+| `npm run lint`          | Run oxlint with colored output and auto-fix |
+| `npm run lint:ci`       | oxlint without spinner (for CI)             |
+| `npm run oxfmt`      | Format source files                         |
+| `npm run oxfmt:ci`   | Check formatting (for CI)                   |
 | `npm test`              | Run Jest tests                              |
 | `npm run test:watch`    | Jest in watch mode                          |
 | `npm run test:coverage` | Jest with coverage report                   |
@@ -272,7 +272,7 @@ chore: upgrade dependencies
 Runs on every push and pull request to `main`:
 
 1. **Typecheck** — `tsc --noEmit`
-2. **Lint** — ESLint + Prettier check
+2. **Lint** — oxlint + oxfmt check
 3. **Test** — Jest with coverage
 4. **Build** — `bob build` (only runs after all checks pass)