Upload code coverage statistics to Coveralls.io

.github/workflows/test.yml

@@ -29,3 +29,6 @@ jobs:
 
       - name: Test
         run: npm test
+
+      - name: Coveralls
+        uses: coverallsapp/github-action@v2

.gitignore

@@ -1,3 +1,4 @@
+/coverage
 /dist
 /node_modules
 /site

package.json

@@ -36,7 +36,7 @@
     "build": "webpack --mode=production",
     "copy": "cp \"src/docs/_assets/generated/reactui.css\" dist & cp \"src/docs/_assets/generated/reactui.js\" dist",
     "eslint": "eslint --ext js,jsx src",
-    "jest": "jest src",
+    "jest": "jest src --coverage",
     "lint": "npm run eslint && npm run markdownlint && npm run stylelint",
     "markdownlint": "markdownlint-cli2 \"CONTRIBUTING.md\" \"README.md\" \"RELEASING.md\" \"src/**/*.md\"",
     "postbuild": "npm run copy",