Add a test to reproduce a dynamic importing fail

test/src/dynamic-import-with-loader.js

@@ -0,0 +1,7 @@
+async function loadModule() {
+  const module = await import('./example.data')
+  // eslint-disable-next-line no-console
+  console.log('Import succeeded from', module.id)
+}
+
+loadModule()

test/src/example.data

@@ -0,0 +1 @@
+Hello, world!

test/test/cli.test.ts

@@ -84,3 +84,9 @@
   const result = await runViteNodeCli('--root', root, resolve(root, 'main.ts'))
   await result.viteNode.waitForStdout('[ok]')
 })
+
+it('dynamic import with a loading plugin', async () => {
+  const cli = await runViteNodeCli(resolve(import.meta.dirname, '../src/dynamic-import-with-loader.js'))
+  expect(cli.stderr).toBe('')
+  expect(cli.stdout).toMatch(/Import succeeded from \S*\/test\/src\/example.data\n/)
+})

test/test/vite.config.ts

@@ -0,0 +1,21 @@
+import type { PluginOption } from 'vite'
+import fs from 'node:fs/promises'
+import { defineConfig } from 'vite'
+
+export default defineConfig({
+  plugins: [dataLoader()],
+})
+
+// Plugin that transforms .data files into string exports
+function dataLoader(): PluginOption {
+  return {
+    name: 'data-loader',
+    async load(id) {
+      if (id.endsWith('.data')) {
+        const text = await fs.readFile(id, 'utf8')
+        return `export const id = ${JSON.stringify(id)};\n`
+          + `export const text = ${JSON.stringify(text)};`
+      }
+    },
+  }
+}