feat: add tests coverage

Author: js2me

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-dist
+dist
+coverage

package.json

@@ -11,7 +11,8 @@
     "pub:minor": "PUBLISH=true PUBLISH_VERSION=minor pnpm run build",
     "pub:major": "PUBLISH=true PUBLISH_VERSION=major pnpm run build",
     "test": "vitest run",
-    "test:watch": "vitest watch"
+    "test:watch": "vitest watch",
+    "test:coverage": "vitest run --coverage"
   },
   "keywords": [
     "mobx",
@@ -46,6 +47,7 @@
     "@types/node": "20.14.5",
     "@types/react": "^18.3.3",
     "@vitejs/plugin-react-swc": "3.7.2",
+    "@vitest/coverage-istanbul": "2.1.6",
     "eslint": "8.57.0",
     "js2me-eslint-config": "1.0.4",
     "js2me-exports-post-build-script": "2.0.14",

pnpm-lock.yaml

@@ -8,5 +8,8 @@ export default defineConfig({
     globals: true,
     environment: "jsdom",
     setupFiles: './setupTests.js',
+    coverage: {
+      provider: 'istanbul' // or 'v8'
+    },
   },
 });