fixes #52 support cobertura class level coverage (#53)

Author: tm1000

.vscode/extensions.json

@@ -3,6 +3,7 @@
     "dbaeumer.vscode-eslint",
     "pflannery.vscode-versionlens",
     "eamodio.gitlens",
-    "ryanluker.vscode-coverage-gutters"
+    "ryanluker.vscode-coverage-gutters",
+    "orta.vscode-jest"
   ]
 }

.vscode/settings.json

@@ -17,13 +17,12 @@
   "coverage-gutters.showLineCoverage": true,
   "coverage-gutters.showRulerCoverage": true,
   "coverage-gutters.coverageBaseDir": "coverage/**",
-  "coverage-gutters.coverageFileNames": [
-    "clover.xml"
-  ],
+  "coverage-gutters.coverageFileNames": ["clover.xml"],
   "[typescript]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
   },
   "[github-actions-workflow]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
-  }
+  },
+  "jest.runMode": "on-demand"
 }