Node polyfill for fs.chown and fs.close (#4377)

1 files changed, 24 insertions, 0 deletions

diff --git a/std/node/_fs/_fs_close.ts b/std/node/_fs/_fs_close.ts
new file mode 100644
index 000000000..e19eb932e
--- /dev/null
+++ b/std/node/_fs/_fs_close.ts
@@ -0,0 +1,24 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+import { CallbackWithError } from "./_fs_common.ts";
+
+export function close(fd: number, callback: CallbackWithError): void {
+  new Promise(async (resolve, reject) => {
+    try {
+      Deno.close(fd);
+      resolve();
+    } catch (err) {
+      reject(err);
+    }
+  })
+    .then(() => {
+      callback();
+    })
+    .catch(err => {
+      callback(err);
+    });
+}
+
+export function closeSync(fd: number): void {
+  Deno.close(fd);
+}