chore: include templates directory in wrangler"s check:type script (#8302)

Author: dario-piotrowicz

packages/wrangler/package.json

@@ -54,7 +54,7 @@
 		"build": "pnpm run clean && pnpm run bundle && pnpm run emit-types && pnpm run generate-json-schema",
 		"bundle": "node -r esbuild-register scripts/bundle.ts",
 		"check:lint": "eslint . --max-warnings=0",
-		"check:type": "tsc",
+		"check:type": "tsc -p ./tsconfig.json && tsc -p ./templates/tsconfig.json",
 		"clean": "rimraf wrangler-dist miniflare-dist emitted-types",
 		"dev": "pnpm run clean && concurrently -c black,blue --kill-others-on-fail false \"pnpm run bundle --watch\" \"pnpm run check:type --watch --preserveWatchOutput\"",
 		"emit-types": "tsc -p tsconfig.emit.json && node -r esbuild-register scripts/emit-types.ts",

packages/wrangler/templates/pages-dev-pipeline.ts

@@ -20,10 +20,11 @@ export default <ExportedHandler<{ ASSETS: Fetcher }>>{
 
 		for (const include of routes.include) {
 			if (isRoutingRuleMatch(pathname, include)) {
-				if (worker.fetch === undefined) {
+				const workerAsHandler = worker as ExportedHandler;
+				if (workerAsHandler.fetch === undefined) {
 					throw new TypeError("Entry point missing `fetch` handler");
 				}
-				return worker.fetch(request, env, context);
+				return workerAsHandler.fetch(request, env, context);
 			}
 		}
 

packages/wrangler/templates/tsconfig.json

@@ -4,5 +4,12 @@
 		"types": ["@cloudflare/workers-types"]
 	},
 	"include": ["**/*.ts"],
-	"exclude": ["__tests__", "./init-tests/**"]
+	"exclude": [
+		"__tests__",
+		"./init-tests/**",
+		// Note: `startDevWorker` and `middleware` should also be included but some work is needed
+		//       for that first (see: https://github.com/cloudflare/workers-sdk/issues/8303)
+		"startDevWorker",
+		"middleware"
+	]
 }