From a588066518c831d6706a454caf34a0446a5bc492 Mon Sep 17 00:00:00 2001
From: Jacob Smith <3012099+JakobJingleheimer@users.noreply.github.com>
Date: Thu, 13 Feb 2025 12:39:58 +0100
Subject: [PATCH] test: add case for unrecognised fields within pjson "exports"

PR-URL: https://github.com/nodejs/node/pull/57026
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 .../packages/unrecognised-export-keys/index.js    |  0
 .../unrecognised-export-keys/package.json         | 10 ++++++++++
 test/parallel/test-find-package-json.js           | 15 +++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 test/fixtures/packages/unrecognised-export-keys/index.js
 create mode 100644 test/fixtures/packages/unrecognised-export-keys/package.json

diff --git a/test/fixtures/packages/unrecognised-export-keys/index.js b/test/fixtures/packages/unrecognised-export-keys/index.js
new file mode 100644
index 00000000000000..e69de29bb2d1d6
diff --git a/test/fixtures/packages/unrecognised-export-keys/package.json b/test/fixtures/packages/unrecognised-export-keys/package.json
new file mode 100644
index 00000000000000..e3cef44544cc43
--- /dev/null
+++ b/test/fixtures/packages/unrecognised-export-keys/package.json
@@ -0,0 +1,10 @@
+{
+  "name": "pkg-with-unrecognised-export-keys",
+  "exports": {
+    ".": {
+      "default": "./index.js",
+      "FtLcAG": "./whatever.ext",
+      "types": "./index.d.ts"
+    }
+  }
+}
diff --git a/test/parallel/test-find-package-json.js b/test/parallel/test-find-package-json.js
index 5e55e81da1e7b8..fd9a1a85e77441 100644
--- a/test/parallel/test-find-package-json.js
+++ b/test/parallel/test-find-package-json.js
@@ -189,4 +189,19 @@ describe('findPackageJSON', () => { // Throws when no arguments are provided
     assert.ok(stdout.includes(foundPjsonPath), stdout);
     assert.strictEqual(code, 0);
   });
+
+  it('should work when unrecognised keys are specified within the export', async () => {
+    const specifierBase = './packages/unrecognised-export-keys';
+    const target = fixtures.fileURL(specifierBase, 'index.js');
+    const foundPjsonPath = path.toNamespacedPath(fixtures.path(specifierBase, 'package.json'));
+
+    const { code, stderr, stdout } = await common.spawnPromisified(process.execPath, [
+      '--print',
+      `require("node:module").findPackageJSON(${JSON.stringify(target)})`,
+    ]);
+
+    assert.strictEqual(stderr, '');
+    assert.ok(stdout.includes(foundPjsonPath), stdout);
+    assert.strictEqual(code, 0);
+  });
 });