条件式比較バグ修正

plugin/kintone-addins/package.json

@@ -4,10 +4,11 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "dev": "tsc && vite",
+    "dev": "tsc && set \"SOURCE_MAP=true\" && vite build && vite preview",
     "build": "tsc && vite build && xcopy dist\\*.js ..\\..\\backend\\Temp\\ /E /I /Y",
     "build:dev":"tsc && set \"SOURCE_MAP=true\" && vite build && xcopy dist\\*.js ..\\..\\backend\\Temp\\ /E /I /Y",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "ngrok":"ngrok http http://localhost:4173/"
   },
   "devDependencies": {
     "@types/jquery": "^3.5.24",