fix test

packages/knip/fixtures/yarn-pnp/.gitignore

@@ -0,0 +1 @@
+.yarn/install-state.gz

packages/knip/src/manifest/helpers.ts

@@ -3,7 +3,10 @@ import { isFile } from '../util/fs.js';
 import { dirname, join } from '../util/path.js';
 import { _require } from '../util/require.js';
 
-let isPnPEnabled: boolean | 'NOT_DETERMINED_YET' = 'NOT_DETERMINED_YET';
+const pnpStatus = {
+  cwd: '',
+  enabled: false,
+}
 
 type LoadPackageManifestOptions = { dir: string; packageName: string; cwd: string };
 
@@ -26,24 +29,26 @@ const findNearestPnPFile = (startDir: string): string | null => {
 };
 
 const tryLoadManifestWithYarnPnp = (cwd: string, packageName: string) => {
-  if (isPnPEnabled === false) {
+  if (pnpStatus.cwd === cwd && pnpStatus.enabled === false) {
     return null;
   }
 
   try {
-    if (isPnPEnabled === 'NOT_DETERMINED_YET') {
+    if (pnpStatus.cwd !== cwd) {
       const pnpPath = findNearestPnPFile(cwd);
 
       if (pnpPath != null) {
         const pnp = _require(pnpPath);
         pnp.setup();
-        isPnPEnabled = true;
+        pnpStatus.cwd = cwd;
+        pnpStatus.enabled = true;
       } else {
-        isPnPEnabled = false;
+        pnpStatus.cwd = cwd;
+        pnpStatus.enabled = false;
       }
     }
 
-    if (isPnPEnabled) {
+    if (pnpStatus.enabled) {
       const pnpApi = _require('pnpapi');
 
       if (pnpApi != null) {
@@ -71,9 +76,10 @@ const tryLoadManifestWithYarnPnp = (cwd: string, packageName: string) => {
 
 export const loadPackageManifest = ({ dir, packageName, cwd }: LoadPackageManifestOptions) => {
   // 1. Try Yarn PnP first
-  const pnpManifest = tryLoadManifestWithYarnPnp(cwd, packageName);
-  if (pnpManifest != null) {
-    return pnpManifest;
+  const manifest = tryLoadManifestWithYarnPnp(cwd, packageName);
+
+  if (manifest != null) {
+    return manifest;
   }
 
   // 2. Fallback to traditional node_modules resolution

packages/knip/test/yarn-pnp.test.ts

@@ -1,4 +1,4 @@
-import { test } from 'bun:test';
+import { test, describe, beforeAll } from 'bun:test';
 import assert from 'node:assert/strict';
 import { main } from '../src/index.js';
 import { resolve } from '../src/util/path.js';
@@ -7,16 +7,18 @@ import baseCounters from './helpers/baseCounters.js';
 
 const cwd = resolve('fixtures/yarn-pnp');
 
-test('Find unused dependencies', async () => {
-  const { counters } = await main({
-    ...baseArguments,
-    cwd,
-    isStrict: true,
-  });
+describe('Yarn PnP Tests', () => {
+  test('Find unused dependencies in yarn pnp', async () => {
+    const { counters } = await main({
+      ...baseArguments,
+      cwd,
+      isStrict: true,
+    });
 
-  assert.deepEqual(counters, {
-    ...baseCounters,
-    processed: 1,
-    total: 4,
+    assert.deepEqual(counters, {
+      ...baseCounters,
+      processed: 1,
+      total: 4,
+    });
   });
 });