fix: avoid erroring when reading instance in ssr mode

src/__tests__/render.server.ts

@@ -48,6 +48,11 @@ test("local cleanup removes single component from the document", async () => {
   expect(() => cleanup()).toThrowErrorMatchingSnapshot();
 });
 
+test("instance is undefined on the server", async () => {
+  const result = await render(Clickable);
+  expect(result.instance).toBeUndefined();
+});
+
 test("fails when rerendering", async () => {
   const { rerender } = await render(HelloName, { name: "Michael" });
   await expect(
@@ -81,10 +86,3 @@ test("fails when emitting events", async () => {
     `"Cannot perform client side interaction tests on the server side. Please use @marko/testing-library in a browser environment."`
   );
 });
-
-test("fails when trying to read instance", async () => {
-  const result = await render(Clickable);
-  expect(() => result.instance).toThrowErrorMatchingInlineSnapshot(
-    `"Cannot access component instance for server side tests."`
-  );
-});

src/index-browser.ts

@@ -70,7 +70,6 @@ export async function render<T extends Template>(
   };
 
   return {
-    ...within(container as any as HTMLElement),
     container,
     instance,
     emitted<N extends string = "*">(
@@ -133,6 +132,7 @@ export async function render<T extends Template>(
         logDOM(element, maxLength, options);
       }
     },
+    ...within(container as any as HTMLElement),
   } as const;
 }
 

src/index.ts

@@ -83,13 +83,8 @@ export async function render<T extends Template>(
   Object.assign(screen, queries);
 
   return {
-    ...queries,
     container,
-    get instance(): any {
-      throw new Error(
-        "Cannot access component instance for server side tests."
-      );
-    },
+    instance: undefined as any,
     emitted<N extends string = "*">(
       // eslint-disable-next-line @typescript-eslint/no-unused-vars
       type?: N extends InternalEventNames ? never : N
@@ -111,6 +106,7 @@ export async function render<T extends Template>(
 
       cleanupComponent();
     },
+    ...queries,
   } as const;
 }