test(react): test no refresh transform for non-jsx files (#547)

Author: hi-ogawa

playground/react/App.jsx

@@ -7,6 +7,7 @@ import { JsxImportRuntime } from './hmr/jsx-import-runtime'
 import { CountProvider } from './context/CountProvider'
 import { ContextButton } from './context/ContextButton'
 import { TestImportAttributes } from './import-attributes/test'
+import { TEST_NON_JSX, TestNonJsx } from './non-jsx/test'
 
 function App() {
   const [count, setCount] = useState(0)
@@ -47,6 +48,8 @@ function App() {
       <JsxImportRuntime />
       <Button>button</Button>
       <TestImportAttributes />
+      {TestNonJsx()}
+      {TEST_NON_JSX()}
     </div>
   )
 }

playground/react/__tests__/react.spec.ts

@@ -163,4 +163,10 @@ if (!isBuild) {
       .poll(() => page.textContent('#accordion-root'))
       .toMatch('Accordion Root Updated')
   })
+
+  test('no refresh transform for non-jsx files', async () => {
+    const res = await page.request.get(viteTestUrl + '/non-jsx/test.ts')
+    const code = await res.text()
+    expect(code).not.toContain('$RefreshReg$')
+  })
 }

playground/react/non-jsx/test.ts

@@ -0,0 +1,7 @@
+export const TestNonJsx = () => {
+  return 'TestNonJsx'
+}
+
+export const TEST_NON_JSX = () => {
+  return 'TEST_NON_JSX'
+}