Add CI for unused dependencies

.depcheckrc

@@ -0,0 +1,3 @@
+ignores: ["eslint-plugin-prettier"]
+skip-missing: true
+quiet: true

.github/workflows/depcheck.yml

@@ -0,0 +1,41 @@
+name: Dependency Check
+on:
+  pull_request:
+    paths:
+      - 'example/*'
+      - 'FabricExample/*'
+      - 'MacOSExample/*'
+      - 'docs/*'
+      - 'e2e/*'
+      - '**/*.{js,ts,tsx,json,md,mdx}'
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+jobs:
+  depcheck:
+    if: github.repository == 'software-mansion/react-native-gesture-handler'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        working-directory: ['', example, FabricExample, MacOSExample, docs, e2e]
+    concurrency:
+      group: depcheck-${{ matrix.working-directory }}-${{ github.ref }}
+      cancel-in-progress: false
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: 'yarn'
+      - name: Install node dependencies
+        working-directory: ${{ matrix.working-directory }}
+        run: yarn
+      - name: Install depcheck
+        working-directory: ${{ matrix.working-directory }}
+        run: npm install -g depcheck@1.4.7
+      - name: Run dependency check
+        working-directory: ${{ matrix.working-directory }}
+        run: npx depcheck

FabricExample/package.json

@@ -9,12 +9,9 @@
     "test": "jest",
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
     "ts-check": "yarn tsc --noEmit",
-    "lint-check": "yarn eslint src/ && yarn prettier --check src/",
-    "postinstall": "patch-package"
+    "lint-check": "yarn eslint src/ && yarn prettier --check src/"
   },
   "dependencies": {
-    "patch-package": "^6.5.0",
-    "postinstall-postinstall": "^2.1.0",
     "react": "18.3.1",
     "react-native": "0.77.0",
     "react-native-gesture-handler": "link:../"
@@ -30,7 +27,6 @@
     "@react-native/eslint-config": "0.77.0",
     "@react-native/metro-config": "0.77.0",
     "@react-native/typescript-config": "0.77.0",
-    "@types/jest": "^29.5.13",
     "@types/react": "^18.2.6",
     "@types/react-test-renderer": "^18.0.0",
     "eslint": "^8.19.0",