add CI workflow

Author: bahmutov

.github/workflows/ci.yml

@@ -10,11 +10,11 @@ jobs:
       - name: Install NPM dependencies 📦
         uses: bahmutov/npm-install@v1
 
-      - name: Run tests 🧪
-        run: npm test
-
-      - name: Show GitHub variables 📊
-        run: npm run github-demo
+      - name: Check all covered files 📊
+        run: |
+          node bin/check-coverage main1.js
+          node bin/check-coverage to/main2.js
+          node bin/only-covered main1.js main2.js
 
       - name: Semantic Release 🚀
         uses: cycjimmy/semantic-release-action@v2

.nyc_output/out.json

@@ -0,0 +1,21 @@
+{
+  "main1.js": {
+    "path": "main1.js",
+    "s": {
+      "0": 2,
+      "1": 1,
+      "2": 2,
+      "3": 1
+    }
+  },
+
+  "main2.js": {
+    "path": "/path/to/main2.js",
+    "s": {
+      "0": 2,
+      "1": 1,
+      "2": 2,
+      "3": 1
+    }
+  }
+}