From 664119841a92d13a297e88032f9985fe7e35f77c Mon Sep 17 00:00:00 2001
From: dave caruso <me@paperdave.net>
Date: Mon, 21 Aug 2023 16:26:07 -0700
Subject: Implement `napi_ref_threadsafe_function` (#4156)

* Implement napi_ref_threadsafe_function

* work on this

* i hate event loops

* little better

* clean
---
 test/js/third_party/fsevents/fsevents-event-loop.mjs | 10 ++++++++++
 test/js/third_party/fsevents/fsevents.test.ts        | 20 ++++++++++++++++++++
 test/js/third_party/fsevents/package.json            |  6 ++++++
 3 files changed, 36 insertions(+)
 create mode 100644 test/js/third_party/fsevents/fsevents-event-loop.mjs
 create mode 100644 test/js/third_party/fsevents/fsevents.test.ts
 create mode 100644 test/js/third_party/fsevents/package.json

(limited to 'test/js')

diff --git a/test/js/third_party/fsevents/fsevents-event-loop.mjs b/test/js/third_party/fsevents/fsevents-event-loop.mjs
new file mode 100644
index 000000000..80e4729a1
--- /dev/null
+++ b/test/js/third_party/fsevents/fsevents-event-loop.mjs
@@ -0,0 +1,10 @@
+import fsevents from "fsevents";
+
+if (process.argv.length < 3) {
+  console.log("Usage: bun fsevents-event-loop.ts <directory>");
+  process.exit(1);
+}
+fsevents.watch(process.argv[2], () => {
+  console.log("it works!");
+  process.exit(0);
+});
diff --git a/test/js/third_party/fsevents/fsevents.test.ts b/test/js/third_party/fsevents/fsevents.test.ts
new file mode 100644
index 000000000..1381347e9
--- /dev/null
+++ b/test/js/third_party/fsevents/fsevents.test.ts
@@ -0,0 +1,20 @@
+import { bunEnv, bunExe } from "harness";
+import path from "path";
+import fs from "fs";
+import os from "os";
+
+test("fsevents works (napi_ref_threadsafe_function keeps event loop alive)", async () => {
+  const tempFile = fs.mkdtempSync(path.join(os.tmpdir(), "fsevents-test-"));
+  const spawned = Bun.spawn({
+    cmd: [bunExe(), "run", path.join(import.meta.dir, "fsevents-event-loop.mjs"), tempFile],
+    env: bunEnv,
+    stdio: ["pipe", "pipe", "pipe"],
+  });
+  await Bun.sleep(50);
+  if (spawned.killed) {
+    throw new Error("event loop died, test failed");
+  }
+  await Bun.write(tempFile + "/hello.txt", "test");
+  expect(await spawned.exited).toBe(0);
+  expect(await new Response(spawned.stdout).text()).toBe("it works!\n");
+});
diff --git a/test/js/third_party/fsevents/package.json b/test/js/third_party/fsevents/package.json
new file mode 100644
index 000000000..315c73e1a
--- /dev/null
+++ b/test/js/third_party/fsevents/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "fsevents-test",
+  "dependencies": {
+    "fsevents": "2.3.2"
+  }
+}
-- 
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