Provides support for run_worker_first option (#7897)

- Warning for sunsetting of experimental_serve_directly
- Error for using run_worker_first and experimental_serve_directly together
- Sends run_worker_first field to EWC (in production) instead of old `serve_directly`

Author: WillTaylorDev

.changeset/cuddly-wombats-decide.md

@@ -0,0 +1,6 @@
+---
+"@cloudflare/workers-shared": minor
+"wrangler": minor
+---
+
+chore: provides `run_worker_first` for Worker-script-first configuration. Deprecates `experimental_serve_directly`.

fixtures/asset-config/html-handling.test.ts

@@ -64,7 +64,8 @@ describe.each(testSuites)("$title", ({ title, suite }) => {
 				return {
 					html_handling,
 					not_found_handling: "none",
-					serve_directly: true,
+					run_worker_first: true,
+					serve_directly: false,
 				};
 			});
 		});

fixtures/asset-config/redirects.test.ts

@@ -41,7 +41,8 @@ describe("[Asset Worker] `test location rewrite`", () => {
 			return {
 				html_handling: "none",
 				not_found_handling: "none",
-				serve_directly: true,
+				run_worker_first: true,
+				serve_directly: false,
 			};
 		});
 	});

fixtures/asset-config/url-normalization.test.ts

@@ -41,7 +41,8 @@ describe("[Asset Worker] `test slash normalization`", () => {
 			return {
 				html_handling: "none",
 				not_found_handling: "none",
-				serve_directly: true,
+				run_worker_first: true,
+				serve_directly: false,
 			};
 		});
 	});

fixtures/workers-with-assets-run-worker-first/README.md

@@ -0,0 +1,17 @@
+# workers-assets-with-user-worker"
+
+`workers-assets-with-user-worker-run-worker-first"` is a test fixture that showcases Workers with Assets using the run_worker_first option. This particular fixture forces a user Worker to be invoked, even if it otherwise would have matched an assets request.
+
+## dev
+
+To start a dev session you can run
+
+```
+wrangler dev
+```
+
+## Run tests
+
+```
+npm run test
+```

fixtures/workers-with-assets-serve-directly/package.json renamed to fixtures/workers-with-assets-run-worker-first/package.json

@@ -1,5 +1,5 @@
 {
-	"name": "workers-assets-with-user-worker-serve-directly",
+	"name": "workers-assets-with-user-worker-run-worker-first",
 	"private": true,
 	"scripts": {
 		"check:type": "tsc",

fixtures/workers-with-assets-serve-directly/public/index.html renamed to fixtures/workers-with-assets-run-worker-first/public/index.html

@@ -3,7 +3,7 @@ import { fetch } from "undici";
 import { afterAll, beforeAll, describe, it } from "vitest";
 import { runWranglerDev } from "../../shared/src/run-wrangler-long-lived";
 
-describe("[Workers + Assets] serve_directly false", () => {
+describe("[Workers + Assets] run_worker_first true", () => {
 	let ip: string, port: number, stop: (() => Promise<unknown>) | undefined;
 
 	beforeAll(async () => {