web-ui: init type API checks

pkgs/webview-ui/app/package.json

@@ -5,10 +5,11 @@
   "scripts": {
     "start": "vite",
     "dev": "vite",
-    "build": "npm run check && vite build && npm run convert-html",
+    "build": "npm run check && npm run test && vite build && npm run convert-html",
     "convert-html": "node gtk.webview.js",
     "serve": "vite preview",
-    "check": "tsc --noEmit --skipLibCheck && eslint ./src"
+    "check": "tsc --noEmit --skipLibCheck && eslint ./src",
+    "test": "vitest run --typecheck"
   },
   "license": "MIT",
   "devDependencies": {
@@ -21,6 +22,7 @@
     "daisyui": "^4.11.1",
     "eslint": "^8.57.0",
     "eslint-plugin-tailwindcss": "^3.17.0",
+    "jsdom": "^24.1.0",
     "json-schema-faker": "^0.5.6",
     "json-schema-to-ts": "^3.1.0",
     "postcss": "^8.4.38",
@@ -31,7 +33,8 @@
     "typescript": "^5.4.5",
     "typescript-eslint": "^7.10.0",
     "vite": "^5.0.11",
-    "vite-plugin-solid": "^2.8.2"
+    "vite-plugin-solid": "^2.8.2",
+    "vitest": "^1.6.0"
   },
   "dependencies": {
     "material-icons": "^1.13.12",