add typecheck

Author: peter-leonov

worker/package.json

@@ -11,6 +11,7 @@
     "dev": "wrangler dev",
     "start": "wrangler dev",
     "cf-typegen": "wrangler types",
+    "typecheck": "npx tsc --noEmit",
     "reset-secret": "./reset-secret.sh"
   },
   "devDependencies": {

worker/tsconfig.json

@@ -17,6 +17,7 @@
     "types": ["./worker-configuration.d.ts"],
     /* Enable importing .json files */
     "resolveJsonModule": true,
+    "allowImportingTsExtensions": true,
 
     /* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
     "allowJs": true,