replace mocha and nyc with native node test runner and c8

.github/workflows/ci.yml

@@ -70,20 +70,14 @@ jobs:
 
     - name: Run tests
       shell: bash
-      run: |
-        if npm -ps ls nyc | grep -q nyc; then
-          npm run test-ci
-        else
-          npm test
-        fi
+      run: npm run test-ci
 
     - name: Lint code
       if: steps.list_env.outputs.eslint != ''
       run: npm run lint
 
     - name: Collect code coverage
       uses: coverallsapp/github-action@master
-      if: steps.list_env.outputs.nyc != ''
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         flag-name: run-${{ matrix.test_number }}

package.json

@@ -12,16 +12,14 @@
   ],
   "repository": "jshttp/content-disposition",
   "devDependencies": {
-    "deep-equal": "1.0.1",
+    "c8": "^10.1.2",
     "eslint": "7.32.0",
     "eslint-config-standard": "13.0.1",
     "eslint-plugin-import": "2.25.3",
     "eslint-plugin-markdown": "2.2.1",
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "5.2.0",
-    "eslint-plugin-standard": "4.1.0",
-    "mocha": "^9.2.2",
-    "nyc": "15.1.0"
+    "eslint-plugin-standard": "4.1.0"
   },
   "files": [
     "LICENSE",
@@ -34,8 +32,8 @@
   },
   "scripts": {
     "lint": "eslint .",
-    "test": "mocha --reporter spec --bail --check-leaks test/",
-    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
-    "test-cov": "nyc --reporter=html --reporter=text npm test"
+    "test": "node --test --test-reporter spec",
+    "test-ci": "c8 --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "c8 --reporter=html --reporter=text npm test"
   }
 }