ci: add coveralls (#11)

* ci: add coveralls

.github/workflows/ci.yml

@@ -45,11 +45,35 @@ jobs:
       # Unit and lint tests
       - name: Tests
         id: test
-        run: npm test
+        run: npm run test:ci
 
-      - name: Typescript
-        id: typescript_test
-        run: npm run typescript --if-present
+      - name: Coveralls Parallel
+        id: coveralls-parallel
+        continue-on-error: true
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
+          parallel: true
+          flag-name: run-${{ matrix.node-version }}-${{ matrix.os }}
+
+      - name: Should Trigger coverallsapp/github-action@master
+        id: coveralls-trigger
+        # https://docs.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#steps-context
+        # when continue-on-error failed, outcome is failure and conclusion is success
+        if: steps.coveralls-parallel.conclusion == 'success' && steps.coveralls-parallel.outcome != 'success'
+        run: |
+          echo "::set-output name=COVERALLS_TRIGGER::failure"
+          
+  coverage:
+    needs: test
+    runs-on: ubuntu-latest
+    if: needs.test.outputs.COVERALLS != 'failure'
+    steps:
+      - name: Coveralls Finished
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel-finished: true
 
   automerge:
     needs: test

README.md

@@ -1,5 +1,13 @@
 # fast-uri
 
+<div align="center">
+
+[![CI](https://github.com/fastify/fastify/workflows/ci/badge.svg)](https://github.com/fastify/fast-uri/actions/workflows/ci.yml)
+[![Coverage Status](https://coveralls.io/repos/github/fastify/fast-uri/badge.svg?branch=add_coveralls)](https://coveralls.io/github/fastify/fast-uri?branch=main)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://standardjs.com/)
+
+</div>
+
 Dependency free RFC 3986 URI toolbox.
 
 ## Benchmarks

package.json

@@ -9,11 +9,13 @@
     "test:lint": "standard | snazzy",
     "test:typescript": "tsd",
     "test:unit": "tap -J test/*.test.js",
-    "test:unit:dev" : "tap -J test/*.test.js --coverage-report=html",
-    "test": "npm run test:lint && npm run test:unit && npm run test:typescript"
+    "test:unit:dev": "tap -J test/*.test.js --coverage-report=html",
+    "test": "npm run test:lint && npm run test:unit && npm run test:typescript",
+    "test:ci": "npm run test:lint && npm run test:unit -- --cov --coverage-report=lcovonly && npm run test:typescript"
   },
   "devDependencies": {
     "benchmark": "^2.1.4",
+    "coveralls": "^3.1.1",
     "snazzy": "^9.0.0",
     "standard": "^16.0.4",
     "tap": "^15.0.10",