Implement `AsyncLocalStorage` (#3089)

* work to get async local storage working.

* a

* a

* everything but queueMicrotask

* sdfghj

* .

* finish

* tests

* test

* ok

* done

* im so stupid

* Upgrade WebKit

* refactor

* refactor

* changes requested

* oops

* cool

* fix runInAsyncScope

1 files changed, 34 insertions, 0 deletions

diff --git a/test/js/node/async_hooks/async_hooks.node.test.ts b/test/js/node/async_hooks/async_hooks.node.test.ts
new file mode 100644
index 000000000..107c58a8c
--- /dev/null
+++ b/test/js/node/async_hooks/async_hooks.node.test.ts
@@ -0,0 +1,34 @@
+import { AsyncLocalStorage } from "async_hooks";
+import assert from "assert";
+
+test("node async_hooks.AsyncLocalStorage enable disable", async () => {
+  const asyncLocalStorage = new AsyncLocalStorage();
+
+  asyncLocalStorage.run(new Map(), () => {
+    asyncLocalStorage.getStore().set("foo", "bar");
+    process.nextTick(() => {
+      assert.strictEqual(asyncLocalStorage.getStore().get("foo"), "bar");
+      process.nextTick(() => {
+        assert.strictEqual(asyncLocalStorage.getStore(), undefined);
+      });
+
+      asyncLocalStorage.disable();
+      assert.strictEqual(asyncLocalStorage.getStore(), undefined);
+
+      // Calls to exit() should not mess with enabled status
+      asyncLocalStorage.exit(() => {
+        assert.strictEqual(asyncLocalStorage.getStore(), undefined);
+      });
+      assert.strictEqual(asyncLocalStorage.getStore(), undefined);
+
+      process.nextTick(() => {
+        assert.strictEqual(asyncLocalStorage.getStore(), undefined);
+        asyncLocalStorage.run(new Map().set("bar", "foo"), () => {
+          assert.strictEqual(asyncLocalStorage.getStore().get("bar"), "foo");
+
+          done();
+        });
+      });
+    });
+  });
+});