Add Deno.chown (#2292)

1 files changed, 39 insertions, 0 deletions

diff --git a/js/chown.ts b/js/chown.ts
new file mode 100644
index 000000000..5c55fdab0
--- /dev/null
+++ b/js/chown.ts
@@ -0,0 +1,39 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import * as flatbuffers from "./flatbuffers";
+import * as msg from "gen/cli/msg_generated";
+import * as dispatch from "./dispatch";
+
+function req(
+  path: string,
+  uid: number,
+  gid: number
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
+  const builder = flatbuffers.createBuilder();
+  const path_ = builder.createString(path);
+  const inner = msg.Chown.createChown(builder, path_, uid, gid);
+  return [builder, msg.Any.Chown, inner];
+}
+
+/**
+ * Change owner of a regular file or directory synchronously. Unix only at the moment.
+ * @param path path to the file
+ * @param uid user id of the new owner
+ * @param gid group id of the new owner
+ */
+export function chownSync(path: string, uid: number, gid: number): void {
+  dispatch.sendSync(...req(path, uid, gid));
+}
+
+/**
+ * Change owner of a regular file or directory asynchronously. Unix only at the moment.
+ * @param path path to the file
+ * @param uid user id of the new owner
+ * @param gid group id of the new owner
+ */
+export async function chown(
+  path: string,
+  uid: number,
+  gid: number
+): Promise<void> {
+  await dispatch.sendAsync(...req(path, uid, gid));
+}