Fix test coverage

Author: minggangw

.c8rc.json

@@ -0,0 +1,6 @@
+{
+  "extension": [".js"],
+  "include": ["lib/**", "index.js"],
+  "reporter": ["lcov"],
+  "report-dir": "./coverage"
+}

.github/workflows/linux-x64-build-and-test.yml

@@ -140,7 +140,15 @@ jobs:
           source /opt/ros/${{ matrix.ros_distribution }}/setup.bash
           npm i
           npm run lint
-          npm test
+          # c8 (coverage) depends on yargs 17, whose extensionless `yargs/yargs`
+          # entry fails to load under `require()` on Node 26. Coverage is only
+          # uploaded from the Node 24.X leg, so wrap with c8 there and run the
+          # plain suite everywhere else to keep the Node 26 lane green.
+          if [ "${{ matrix.node-version }}" = "24.X" ]; then
+            npm run test:coverage
+          else
+            npm test
+          fi
           npm run clean
 
     - name: Test with IDL ROS messages (rolling / lyrical)

.nycrc.yml

@@ -11,7 +11,7 @@
 //
 // For frontend developers who don't want to write a Node.js server.
 // Run `rclnodejs-web --help` or `npx rclnodejs-web web.json` to start
-// demo. See demo/web/javascript/README.md for the full demo.
+// the runtime.
 
 import path from 'node:path';
 import fs from 'node:fs';

bin/rclnodejs-web.js

@@ -46,8 +46,9 @@
     "docs": "make -C tools/jsdoc",
     "docs:gh-pages": "node tools/jsdoc/regenerate-published-docs.js --branch origin/gh-pages --preserve-published",
     "docs:gh-pages:full": "node tools/jsdoc/regenerate-published-docs.js --branch origin/gh-pages --full-rebuild",
-    "test": "nyc node --expose-gc ./scripts/run_test.cjs && tsd && npm install --no-save electron && node test/electron/run_test.cjs",
-    "test-idl": "nyc node --expose-gc ./scripts/run_test.cjs --idl",
+    "test": "node --expose-gc ./scripts/run_test.cjs && tsd && npm install --no-save electron && node test/electron/run_test.cjs",
+    "test:coverage": "c8 node --expose-gc ./scripts/run_test.cjs && tsd && npm install --no-save electron && node test/electron/run_test.cjs",
+    "test-idl": "node --expose-gc ./scripts/run_test.cjs --idl",
     "lint": "eslint && node ./scripts/cpplint.cjs",
     "test:asan": "bash scripts/run_asan_test.sh",
     "format": "clang-format -i -style=file ./src/*.cpp ./src/*.h && npx --yes prettier --write \"{lib,rosidl_gen,rostsd_gen,rosidl_parser,types,example,test,scripts,benchmark,rostsd_gen}/**/*.{js,cjs,md,ts}\" ./*.{js,md,ts}",
@@ -79,6 +80,7 @@
     "@types/node": "^25.0.2",
     "@typescript-eslint/eslint-plugin": "^8.18.0",
     "@typescript-eslint/parser": "^8.18.0",
+    "c8": "^11.0.0",
     "clang-format": "^1.8.0",
     "commander": "^15.0.0",
     "coveralls": "^3.1.1",
@@ -92,7 +94,6 @@
     "lint-staged": "^17.0.0",
     "mocha": "^11.0.2",
     "node-gyp": "^12.2.0",
-    "nyc": "^18.0.0",
     "prebuildify": "^6.0.1",
     "rimraf": "^6.0.1",
     "sinon": "^22.0.0",