ci: Enable code coverage for TypeScript version (#123)

* Enable code coverage for TypeScript version

* Fix coverage job

* Fix labels

.github/workflows/typescript.yml

@@ -17,9 +17,25 @@ concurrency:
 
 jobs:
   test:
+    name: Test
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: test
+      - name: Run test suite
         working-directory: ./js
         run: yarn && yarn test
+
+  coverage:
+    name: Code Coverage
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Generate code coverage
+        working-directory: ./js
+        run: yarn && yarn coverage
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: js/coverage/lcov.info
+          flags: typescript
+          fail_ci_if_error: true

js/.gitignore

@@ -1,2 +1,5 @@
 node_modules
 build
+.nyc_output
+package-lock.json
+coverage

js/package.json

@@ -26,6 +26,7 @@
     "prebuild": "yarn lint && yarn format",
     "prepublish": "yarn build",
     "test": "yarn -s build && node jasmine-testrunner.js",
+    "coverage": "nyc --reporter=lcov --reporter=text-summary yarn test",
     "build": "shx rm -rf ./build && tsc && shx cp -r src/generated build/generated",
     "pack-proto": "pbjs -t static-module -w commonjs -o src/generated/codecimpl.js ../proofs.proto",
     "define-proto": "pbts src/generated/codecimpl.js -o src/generated/codecimpl.d.ts",
@@ -42,6 +43,7 @@
     "eslint-plugin-simple-import-sort": "^7.0.0",
     "jasmine": "^3.5.0",
     "jasmine-console-reporter": "^3.1.0",
+    "nyc": "^15.1.0",
     "prettier": "^2.5.1",
     "shx": "^0.3.4",
     "source-map-support": "^0.5.16",