From 6dc8682b9acabea56fd69a25c28b6a8f95c2ce26 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Thu, 14 Sep 2023 14:08:59 -0400
Subject: feat: explicit resource management in TypeScript (#20506)

This adds support for `using` and `await using` declarations in
TypeScript only. We need to wait for v8 to support it for this to work
in JS.
---
 .../run/explicit_resource_management/main.out       |  5 +++++
 .../run/explicit_resource_management/main.ts        | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 cli/tests/testdata/run/explicit_resource_management/main.out
 create mode 100644 cli/tests/testdata/run/explicit_resource_management/main.ts

(limited to 'cli/tests/testdata')

diff --git a/cli/tests/testdata/run/explicit_resource_management/main.out b/cli/tests/testdata/run/explicit_resource_management/main.out
new file mode 100644
index 000000000..ff5ac4b59
--- /dev/null
+++ b/cli/tests/testdata/run/explicit_resource_management/main.out
@@ -0,0 +1,5 @@
+A
+Disposed
+B
+Async disposed
+C
diff --git a/cli/tests/testdata/run/explicit_resource_management/main.ts b/cli/tests/testdata/run/explicit_resource_management/main.ts
new file mode 100644
index 000000000..0201a51f9
--- /dev/null
+++ b/cli/tests/testdata/run/explicit_resource_management/main.ts
@@ -0,0 +1,21 @@
+class Resource {
+  [Symbol.dispose]() {
+    console.log("Disposed");
+  }
+}
+class AsyncResource {
+  async [Symbol.asyncDispose]() {
+    await new Promise((resolve) => setTimeout(resolve, 10));
+    console.log("Async disposed");
+  }
+}
+
+{
+  using resource = new Resource();
+  console.log("A");
+}
+{
+  await using resource = new AsyncResource();
+  console.log("B");
+}
+console.log("C");
-- 
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