fix: add resolve ts tests.

packages/playground/resolve/index.html

@@ -38,6 +38,17 @@ <h2>
 </h2>
 <p class="ts-extension">fail</p>
 
+<h2>
+  A ts module can import another tsx module using its corresponding jsx file
+  name
+</h2>
+<p class="jsx-extension">fail</p>
+
+<h2>
+  A ts module can import another tsx module using its corresponding js file name
+</h2>
+<p class="tsx-extension">fail</p>
+
 <h2>Resolve file name containing dot</h2>
 <p class="dot">fail</p>
 
@@ -130,6 +141,12 @@ <h2>resolve package that contains # in path</h2>
   import { msg as tsExtensionMsg } from './ts-extension'
   text('.ts-extension', tsExtensionMsg)
 
+  import { msgJsx as tsJsxExtensionMsg } from './ts-extension'
+  text('.jsx-extension', tsJsxExtensionMsg)
+
+  import { msgTsx as tsTsxExtensionMsg } from './ts-extension'
+  text('.tsx-extension', tsTsxExtensionMsg)
+
   // filename with dot
   import { bar } from './util/bar.util'
   text('.dot', bar())

packages/playground/resolve/ts-extension/hellojsx.tsx

@@ -0,0 +1 @@
+export const msgJsx = '[success] use .jsx extension to import a tsx module'

packages/playground/resolve/ts-extension/hellotsx.tsx

@@ -0,0 +1 @@
+export const msgTsx = '[success] use .js extension to import a tsx module'

packages/playground/resolve/ts-extension/index.ts

@@ -1,3 +1,5 @@
 import { msg } from './hello.js'
+import { msgJsx } from './hellojsx.jsx'
+import { msgTsx } from './hellotsx.js'
 
-export { msg }
+export { msg, msgJsx, msgTsx }