feat: Add Vitest coverage reporting (#25)

Author: zaidahmad16

.gitignore

@@ -24,4 +24,5 @@ dist-ssr
 *.sw?
 
 # Output
-scripts/output/*.json
+scripts/output/*.json
+coverage/

eslint.config.js

@@ -6,7 +6,7 @@ import tseslint from 'typescript-eslint';
 import { defineConfig, globalIgnores } from 'eslint/config';
 
 export default defineConfig([
-  globalIgnores(['dist']),
+  globalIgnores(['dist', 'coverage']),
   {
     files: ['**/*.{ts,tsx}'],
     extends: [

package.json

@@ -9,6 +9,7 @@
     "build": "tsc -b && vite build",
     "preview": "vite preview",
     "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
     "typecheck": "tsc -b",
     "lint": "eslint .",
     "format": "prettier --write .",
@@ -33,6 +34,7 @@
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
+    "@vitest/coverage-v8": "^4.1.8",
     "cheerio": "^1.2.0",
     "eslint": "^10.3.0",
     "eslint-config-prettier": "^10.1.8",

pnpm-lock.yaml

@@ -15,5 +15,16 @@ export default defineConfig({
     environment: 'jsdom',
     setupFiles: ['./src/test/setup.ts'],
     passWithNoTests: true,
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'html'],
+      exclude: [
+        '*.config.*',
+        '**/*.test.ts',
+        'src/types/**',
+        'src/test/**',
+        'src/main.tsx',
+      ],
+    },
   },
 });