add tsx build checking in react-18 integration test

packages/next/shared/lib/dynamic.tsx

@@ -114,7 +114,9 @@ export default function dynamic<P = {}>(
   // Support for passing options, eg: dynamic(import('../hello-world'), {loading: () => <p>Loading something</p>})
   loadableOptions = { ...loadableOptions, ...options }
 
-  const suspenseOptions = loadableOptions as LoadableSuspenseOptions
+  const suspenseOptions = loadableOptions as LoadableSuspenseOptions & {
+    loader: Loader<P>
+  }
   if (!process.env.__NEXT_CONCURRENT_FEATURES) {
     // Error if react root is not enabled and `suspense` option is set to true
     if (!process.env.__NEXT_REACT_ROOT && suspenseOptions.suspense) {

test/integration/react-18/app/components/ts-foo.tsx

@@ -0,0 +1,3 @@
+export default function TsFoo() {
+  return <div>ts-foo</div>
+}

test/integration/react-18/app/pages/suspense/typing.tsx

@@ -0,0 +1,14 @@
+import React, { Suspense } from 'react'
+import dynamic from 'next/dynamic'
+
+const DynamicFoo = dynamic(() => import('../../components/ts-foo'), {
+  suspense: true,
+})
+
+export default function Typing() {
+  return (
+    <Suspense fallback={null}>
+      <DynamicFoo />
+    </Suspense>
+  )
+}

test/integration/react-18/app/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve"
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}