test: add test for #523 (#524)

Author: sapphi-red

playground/resolve/__tests__/resolve.spec.ts

@@ -151,6 +151,10 @@ test('plugin resolved virtual file', async () => {
   expect(await page.textContent('.virtual')).toMatch('[success]')
 })
 
+test('plugin resolved virtual file that has import', async () => {
+  expect(await page.textContent('.virtual-has-import')).toMatch('[success]')
+})
+
 test('plugin resolved custom virtual file', async () => {
   expect(await page.textContent('.custom-virtual')).toMatch('[success]')
 })

playground/resolve/index.html

@@ -152,6 +152,9 @@ <h2>Plugin resolved virtual file</h2>
 <h2>Plugin resolved virtual file (#9036)</h2>
 <p class="virtual-9036"></p>
 
+<h2>Plugin resolved virtual file that has import</h2>
+<p class="virtual-has-import"></p>
+
 <h2>Plugin resolved custom virtual file</h2>
 <p class="custom-virtual"></p>
 
@@ -388,6 +391,9 @@ <h2>utf8-bom-package</h2>
   import { msg as virtualMsg9036 } from 'virtual:file-9036.js'
   text('.virtual-9036', virtualMsg9036)
 
+  import { msg as virtualMsgHasImport } from 'virtual:file-has-import.js'
+  text('.virtual-has-import', virtualMsgHasImport)
+
   import { msg as customVirtualMsg } from '@custom-virtual-file'
   text('.custom-virtual', customVirtualMsg)
 

playground/resolve/vite.config.js

@@ -8,6 +8,9 @@ const virtualId = '\0' + virtualFile
 const virtualFile9036 = 'virtual:file-9036.js'
 const virtualId9036 = '\0' + virtualFile9036
 
+const virtualFileHasImport = 'virtual:file-has-import.js'
+const virtualIdHasImport = '/file-has-import.js'
+
 const customVirtualFile = '@custom-virtual-file'
 
 const virtualFileWithScheme = 'virtual-with-scheme'
@@ -67,6 +70,30 @@ export default defineConfig({
         }
       },
     },
+    {
+      name: 'virtual-module-has-import',
+      enforce: 'pre',
+      resolveId(id, _importer, opts) {
+        if (id === virtualFileHasImport) {
+          // make scanner happy
+          // @ts-expect-error -- opts.scan is internal
+          if (opts?.scan) {
+            return normalizePath(
+              path.resolve(import.meta.dirname, './exports-path/main.js'),
+            )
+          }
+          return virtualIdHasImport
+        }
+      },
+      load(id) {
+        if (id === virtualIdHasImport) {
+          return (
+            'import { msg as importedMsg } from "@vitejs/test-resolve-exports-path"\n' +
+            'export const msg = importedMsg.includes("[success]") ? "[success] from virtual file that has import" : "[failure]"'
+          )
+        }
+      },
+    },
     {
       name: 'custom-resolve',
       resolveId(id) {