fix: server function error when using export const (#1803)

.changeset/cold-scissors-clap.md

@@ -0,0 +1,5 @@
+---
+"@solidjs/start": patch
+---
+
+Bump tanstack server functions plugin

packages/start/package.json

@@ -65,7 +65,7 @@
   "dependencies": {
     "@vinxi/plugin-directives": "^0.5.0",
     "@vinxi/server-components": "^0.5.0",
-    "@tanstack/server-functions-plugin": "^1.99.5",
+    "@tanstack/server-functions-plugin": "^1.103.1",
     "defu": "^6.1.2",
     "error-stack-parser": "^2.1.4",
     "html-to-image": "^1.11.11",

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

@@ -7,6 +7,10 @@ describe("server-function", () => {
     cy.visit("/is-server-nested");
     cy.get("#server-fn-test").contains('{"serverFnWithIsServer":true}');
   });
+  it("should have isServer true in the server function - const", () => {
+    cy.visit("/is-server-const");
+    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"}');

packages/tests/src/app.tsx

@@ -17,6 +17,9 @@ export default function App() {
             <li>
               <a href="/is-server-nested">isserver (nested)</a>
             </li>
+            <li>
+              <a href="/is-server-const">isserver (const)</a>
+            </li>
             <li>
               <a href="/is-server-toplevel">isserver (toplevel)</a>
             </li>

packages/tests/src/functions/use-is-server-const.ts

@@ -0,0 +1,7 @@
+"use server";
+
+import { isServer } from "solid-js/web";
+
+export const serverFnWithIsServer = async () => {
+    return isServer;
+}

packages/tests/src/routes/is-server-const.tsx

@@ -0,0 +1,19 @@
+import { createEffect, createSignal } from "solid-js";
+import { serverFnWithIsServer } from "~/functions/use-is-server-const";
+
+export default function App() {
+    const [output, setOutput] = createSignal<{ serverFnWithIsServer?: boolean }>({});
+
+
+    createEffect(async () => {
+        const restult = await serverFnWithIsServer();
+        setOutput(prev => ({ ...prev, serverFnWithIsServer: restult }));
+    });
+
+
+    return (
+        <main>
+            <span id="server-fn-test">{JSON.stringify(output())}</span>
+        </main>
+    );
+}