chore(ci): make quality checks non-mutating

.github/workflows/node.js.yml

@@ -31,26 +31,17 @@ jobs:
     - run: npm run eslint
     - run: npm run tseslint
 
-  # Checks code formatting, fails if there are changes after applying prettier.
-  # Based on this example here:
-  # https://github.com/creyD/prettier_action?tab=readme-ov-file#example-4-dry-run
+  # Checks code formatting using the version pinned in package-lock.json.
   prettier:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
         uses: actions/checkout@v7
+      - name: Use Node.js 24.x
+        uses: actions/setup-node@v6
         with:
-          # Make sure the actual branch is checked out when running on pull requests
-          ref: ${{ github.head_ref }}
-          # Make sure the value of GITHUB_TOKEN will not be persisted in repo's config
-          persist-credentials: false
-
-      - name: Prettify code
-        uses: creyD/prettier_action@v4.6
-        with:
-          # "dry" causes that if any file is modified, the job fails
-          dry: True
-          # "write" performs changes in place
-          prettier_options: --write lib/*.ts test/*.js example/*.js
-          github_token: ${{ secrets.PERSONAL_GITHUB_TOKEN }}
+          node-version: 24.x
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run prettier:check

package.json

@@ -6,11 +6,14 @@
   "types": "build/raygun.aws.d.ts",
   "scripts": {
     "//eslint": "performs static analysis over JS files and examples",
-    "eslint": "eslint --config eslint.config.mjs --fix test/*.js example/*.js",
+    "eslint": "eslint --config eslint.config.mjs test/*.js example/*.js",
+    "eslint:fix": "eslint --config eslint.config.mjs --fix test/*.js example/*.js",
     "//tseslint": "performs static analysis over TS files and examples",
-    "tseslint": "eslint --config tseslint.config.mjs --fix lib/*.ts",
-    "//prettier": "performs code formatting over project files",
-    "prettier": "prettier --write lib/*.ts test/*.js",
+    "tseslint": "eslint --config tseslint.config.mjs lib/*.ts",
+    "tseslint:fix": "eslint --config tseslint.config.mjs --fix lib/*.ts",
+    "//prettier": "performs code formatting over project files and examples",
+    "prettier": "prettier --write lib/*.ts test/*.js example/*.js",
+    "prettier:check": "prettier --check lib/*.ts test/*.js example/*.js",
     "//prepare": "prepare project for distribution",
     "prepare": "tsc",
     "//test": "runs tests on main project",