bring back coverage (#294)

* bring back coverage

* add script and only count for src files

* lint

.github/workflows/ci.yml

@@ -36,7 +36,12 @@ jobs:
         run: npm ci
 
       - name: Run tests
-        run: npm run test -- --ci --runInBand
+        run: npm run coverage -- --ci --runInBand
+
+      - name: Upload code coverage
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
 
   test-earliest-node-engine-support:
     runs-on: ubuntu-latest

README.md

@@ -5,6 +5,7 @@
 [![Version][version-badge]][version-link]
 [![npm][npm-badge]][npm-link]
 [![Test CI][ci-badge]][ci-link]
+[![Coverage Status][coverage-badge]][coverage-link]
 [![License][license-badge]][license-link]
 [![Docs][docs-badge]][docs-link]
 
@@ -217,6 +218,8 @@ See [the contributing guide](./.github/contributing.md) for detailed instruction
 [npm-link]: https://www.npmjs.com/package/@opensea/stream-js
 [ci-badge]: https://github.com/ProjectOpenSea/stream-js/actions/workflows/ci.yml/badge.svg
 [ci-link]: https://github.com/ProjectOpenSea/stream-js/actions/workflows/ci.yml
+[coverage-badge]: https://coveralls.io/repos/github/ProjectOpenSea/stream-js/badge.svg?branch=main
+[coverage-link]: https://coveralls.io/github/ProjectOpenSea/stream-js?branch=main
 [license-badge]: https://img.shields.io/github/license/ProjectOpenSea/stream-js
 [license-link]: https://github.com/ProjectOpenSea/stream-js/blob/main/LICENSE
 [docs-badge]: https://img.shields.io/badge/Stream.js-documentation-informational

package.json

@@ -19,6 +19,7 @@
   "scripts": {
     "build": "microbundle",
     "check-types": "tsc --noEmit",
+    "coverage": "npm run test -- --coverage --collectCoverageFrom='./src/**'",
     "dev": "microbundle watch",
     "eslint": "eslint . --max-warnings 0 --ext .js,.ts --fix",
     "lint:check": "concurrently \"npm run check-types\" \"npm run eslint\" \"npm run prettier:check\" \"npm run prettier:check:package.json\"",