fix: auto-extract untranspiled monorepo packages

auto-extract-test-case/index.ts

@@ -0,0 +1,3 @@
+export function function1<A, B = string>(a: A, b: B) {
+  return [a, b]
+}

auto-extract-test-case/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "auto-extract-test-case",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "main": "./index.ts"
+}

package.json

@@ -64,6 +64,7 @@
     "@types/estree": "^1.0.5",
     "@types/node": "^20.11.8",
     "@vitest/coverage-v8": "^1.2.2",
+    "auto-extract-test-case": "workspace:^",
     "bumpp": "^9.3.0",
     "conventional-changelog-cli": "^4.1.0",
     "eslint": "8.56.0",

pnpm-workspace.yaml

@@ -1,2 +1,3 @@
 packages:
   - playground
+  - auto-extract-test-case

src/node/extract-package.ts

@@ -4,6 +4,7 @@ import { resolveModuleExportNames } from 'mlly'
 import { readPackageJSON, resolvePackageJSON } from 'pkg-types'
 import { dirname, join } from 'pathe'
 import type { Import, PackagePreset } from '../types'
+import { scanExports } from './scan-dirs'
 
 const CACHE_PATH = /* #__PURE__ */ join(os.tmpdir(), 'unimport')
 let CACHE_WRITEABLE: boolean | undefined
@@ -36,6 +37,7 @@ async function extractExports(name: string, url?: string, cache = true) {
   const packageJson = await readPackageJSON(packageJsonPath)
   const version = packageJson.version
   const cachePath = join(CACHE_PATH, `${name}@${version}`, 'exports.json')
+  const mainPath = join(dirname(packageJsonPath), packageJson.main ?? '')
 
   /* c8 ignore next 8 */
   if (cache && CACHE_WRITEABLE === undefined) {
@@ -51,7 +53,10 @@ async function extractExports(name: string, url?: string, cache = true) {
   if (useCache && existsSync(cachePath))
     return JSON.parse(await fsp.readFile(cachePath, 'utf-8'))
 
-  const scanned = await resolveModuleExportNames(name, { url })
+  const scanned = isUntranspiled(mainPath)
+    ? (await scanExports(mainPath, true)).map(i => i.name)
+    : await resolveModuleExportNames(name, { url })
+
   /* c8 ignore next 4 */
   if (useCache) {
     await fsp.mkdir(dirname(cachePath), { recursive: true })
@@ -70,3 +75,7 @@ function isWritable(filename: string): boolean {
     return false
   }
 }
+
+function isUntranspiled(path: string) {
+  return path.match(/\.tsx?$/)
+}

test/auto-extract.test.ts

@@ -42,4 +42,18 @@ describe('auto-extract', () => {
       ]
     `)
   })
+  it('local package', async () => {
+    const result = await resolvePreset({
+      package: 'auto-extract-test-case',
+    })
+
+    expect(result).toMatchInlineSnapshot(`
+      [
+        {
+          "from": "auto-extract-test-case",
+          "name": "function1",
+        },
+      ]
+    `)
+  })
 })