fix: add e2e and return 404 when a server-function is not found

.changeset/heavy-shrimps-study.md

@@ -0,0 +1,5 @@
+---
+"@solidjs/start": patch
+---
+
+Return `404` when server-function is not found

packages/start/src/runtime/server-handler.ts

@@ -16,7 +16,13 @@ import {
 import { sharedConfig } from "solid-js";
 import { renderToString } from "solid-js/web";
 import { provideRequestEvent } from "solid-js/web/storage";
-import { eventHandler, parseCookies, setHeader, setResponseStatus, type HTTPEvent } from "vinxi/http";
+import {
+  eventHandler,
+  parseCookies,
+  setHeader,
+  setResponseStatus,
+  type HTTPEvent
+} from "vinxi/http";
 import invariant from "vinxi/lib/invariant";
 import { cloneEvent, getFetchEvent, mergeResponseHeaders } from "../server/fetchEvent";
 import { getExpectedRedirectStatus } from "../server/handler";
@@ -87,14 +93,23 @@ async function handleServerFunction(h3Event: HTTPEvent) {
   } else {
     functionId = url.searchParams.get("id");
     name = url.searchParams.get("name");
-    if (!functionId || !name) return new Response("Server function not found", { status: 404 });
+
+    if (!functionId || !name) {
+      return process.env.NODE_ENV === "development"
+        ? new Response("Server function not found", { status: 404 })
+        : new Response(null, { status: 404 });
+    }
   }
 
   const serverFnInfo = serverFnManifest[functionId];
   let fnModule: undefined | { [key: string]: any };
 
-  if (!serverFnInfo) return new Response("Server function not found", { status: 404 });
-
+  if (!serverFnInfo) {
+    return process.env.NODE_ENV === "development"
+      ? new Response("Server function not found", { status: 404 })
+      : new Response(null, { status: 404 });
+  }
+
   if (process.env.NODE_ENV === "development") {
     // In dev, we use Vinxi to get the "server" server-side router
     // Then we use that router's devServer.ssrLoadModule to get the serverFn
@@ -118,19 +133,19 @@ async function handleServerFunction(h3Event: HTTPEvent) {
       const json = JSON.parse(args);
       (json.t
         ? (fromJSON(json, {
-          plugins: [
-            CustomEventPlugin,
-            DOMExceptionPlugin,
-            EventPlugin,
-            FormDataPlugin,
-            HeadersPlugin,
-            ReadableStreamPlugin,
-            RequestPlugin,
-            ResponsePlugin,
-            URLSearchParamsPlugin,
-            URLPlugin
-          ]
-        }) as any)
+            plugins: [
+              CustomEventPlugin,
+              DOMExceptionPlugin,
+              EventPlugin,
+              FormDataPlugin,
+              HeadersPlugin,
+              ReadableStreamPlugin,
+              RequestPlugin,
+              ResponsePlugin,
+              URLSearchParamsPlugin,
+              URLPlugin
+            ]
+          }) as any)
         : json
       ).forEach((arg: any) => parsed.push(arg));
     }
@@ -148,7 +163,8 @@ async function handleServerFunction(h3Event: HTTPEvent) {
     const isReadableStream = h3Request instanceof ReadableStream;
     const hasReadableStream = (h3Request as EdgeIncomingMessage).body instanceof ReadableStream;
     const isH3EventBodyStreamLocked =
-      (isReadableStream && h3Request.locked) || (hasReadableStream && ((h3Request as EdgeIncomingMessage).body as ReadableStream).locked);
+      (isReadableStream && h3Request.locked) ||
+      (hasReadableStream && ((h3Request as EdgeIncomingMessage).body as ReadableStream).locked);
     const requestBody = isReadableStream ? h3Request : h3Request.body;
 
     if (
@@ -272,13 +288,15 @@ function handleNoJS(result: any, request: Request, parsed: any[], thrown?: boole
   if (result) {
     headers.append(
       "Set-Cookie",
-      `flash=${encodeURIComponent(JSON.stringify({
-        url: url.pathname + url.search,
-        result: isError ? result.message : result,
-        thrown: thrown,
-        error: isError,
-        input: [...parsed.slice(0, -1), [...parsed[parsed.length - 1].entries()]]
-      }))}; Secure; HttpOnly;`
+      `flash=${encodeURIComponent(
+        JSON.stringify({
+          url: url.pathname + url.search,
+          result: isError ? result.message : result,
+          thrown: thrown,
+          error: isError,
+          input: [...parsed.slice(0, -1), [...parsed[parsed.length - 1].entries()]]
+        })
+      )}; Secure; HttpOnly;`
     );
   }
   return new Response(null, {
@@ -302,7 +320,7 @@ function createSingleFlightHeaders(sourceEvent: FetchEvent) {
     useH3Internals = true;
     sourceEvent.nativeEvent.node.req.headers.cookie = "";
   }
-  SetCookies.forEach((cookie) => {
+  SetCookies.forEach(cookie => {
     if (!cookie) return;
     const keyValue = cookie.split(";")[0]!;
     const [key, value] = keyValue.split("=");
@@ -311,7 +329,7 @@ function createSingleFlightHeaders(sourceEvent: FetchEvent) {
   Object.entries(cookies).forEach(([key, value]) => {
     headers.append("cookie", `${key}=${value}`);
     useH3Internals && (sourceEvent.nativeEvent.node.req.headers.cookie += `${key}=${value};`);
-  })
+  });
 
   return headers;
 }

packages/tests/cypress/e2e/server-function.cy.ts

@@ -2,38 +2,46 @@ describe("server-function", () => {
   it("should have isServer false in the client", () => {
     cy.visit("/");
     cy.get("#server-fn-test").contains('{"clientWithIsServer":false}');
-  })
+  });
   it("should have isServer true in the server function - nested", () => {
     cy.visit("/is-server-nested");
     cy.get("#server-fn-test").contains('{"serverFnWithIsServer":true}');
-  })
+  });
   it("should have an id of type string in the server function meta - nested", () => {
     cy.visit("/server-function-meta-nested");
     cy.get("#server-fn-test").contains('{"serverFnWithMeta":"string"}');
-  })
+  });
   it("should externalize node builtin in server function - nested", () => {
     cy.visit("/node-builtin-nested");
     cy.get("#server-fn-test").contains('{"serverFnWithNodeBuiltin":"can/externalize"}');
-  })
+  });
   it("should externalize npm module in server function - nested", () => {
     cy.visit("npm-module-nested");
     cy.get("#server-fn-test").contains('{"serverFnWithNpmModule":[2,4,6]}');
-  })
+  });
 
   it("should have isServer true in the server function - toplevel", () => {
     cy.visit("/is-server-toplevel");
     cy.get("#server-fn-test").contains('{"serverFnWithIsServer":true}');
-  })
+  });
   it("should have an id of type string in the server function meta - toplevel", () => {
     cy.visit("/server-function-meta");
     cy.get("#server-fn-test").contains('{"serverFnWithMeta":"string"}');
-  })
+  });
   it("should externalize node builtin in server function - toplevel", () => {
     cy.visit("/node-builtin-toplevel");
     cy.get("#server-fn-test").contains('{"serverFnWithNodeBuiltin":"can/externalize"}');
-  })
+  });
   it("should externalize npm module in server function - toplevel", () => {
     cy.visit("npm-module-toplevel");
     cy.get("#server-fn-test").contains('{"serverFnWithNpmModule":[2,4,6]}');
-  })
+  });
+  it("should throw a 404 if function is not found", () => {
+    cy.request({
+      url: "/_server/?name='not-found-function'",
+      failOnStatusCode: false
+    })
+      .its("status")
+      .should("eq", 404);
+  });
 });