test(detect-acorn): add test case

test/detect-acorn.test.ts

@@ -1,6 +1,6 @@
 import { parse } from 'acorn'
 import { describe, expect, it } from 'vitest'
-import { createUnimport } from '../src'
+import { createUnimport, type Import } from '../src'
 import { traveseScopes } from '../src/detect-acorn'
 
 describe('detect-acorn', () => {
@@ -129,6 +129,52 @@ describe('detect-acorn', () => {
         ]
       `)
   })
+
+  it('matchedImports', async () => {
+    const ctx = createUnimport({
+      parser: 'acorn',
+      presets: ['vue'],
+      addons: [
+        {
+          name: 'resolver',
+          async matchImports(names, matched) {
+            const dynamic: Import[] = []
+            for (const name of names) {
+              if (name === 'foo') {
+                dynamic.push({
+                  from: 'bar',
+                  name: 'foo',
+                  as: 'foo',
+                })
+              }
+            }
+            return [...matched, ...dynamic]
+          },
+        },
+      ],
+    })
+
+    const code = `
+import otherModule from 'otherModule'
+
+const count = ref(0)
+const bar = foo
+const test = notDefined
+console.log(otherModule)
+`.trim()
+
+    expect((await ctx.injectImports(code)).code)
+      .toMatchInlineSnapshot(`
+        "import { ref } from 'vue';
+        import { foo } from 'bar';
+        import otherModule from 'otherModule'
+
+        const count = ref(0)
+        const bar = foo
+        const test = notDefined
+        console.log(otherModule)"
+      `)
+  })
 })
 
 describe('virtual imports', () => {