1 files changed, 31 insertions, 0 deletions
diff --git a/js/link.ts b/js/link.ts
new file mode 100644
index 000000000..e6ffde66b
--- /dev/null
+++ b/js/link.ts
@@ -0,0 +1,31 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import * as msg from "gen/cli/msg_generated";
+import * as flatbuffers from "./flatbuffers";
+import * as dispatch from "./dispatch";
+
+function req(
+  oldname: string,
+  newname: string
+): [flatbuffers.Builder, msg.Any, flatbuffers.Offset] {
+  const builder = flatbuffers.createBuilder();
+  const oldname_ = builder.createString(oldname);
+  const newname_ = builder.createString(newname);
+  const inner = msg.Link.createLink(builder, oldname_, newname_);
+  return [builder, msg.Any.Link, inner];
+}
+
+/** Synchronously creates `newname` as a hard link to `oldname`.
+ *
+ *       Deno.linkSync("old/name", "new/name");
+ */
+export function linkSync(oldname: string, newname: string): void {
+  dispatch.sendSync(...req(oldname, newname));
+}
+
+/** Creates `newname` as a hard link to `oldname`.
+ *
+ *       await Deno.link("old/name", "new/name");
+ */
+export async function link(oldname: string, newname: string): Promise<void> {
+  await dispatch.sendAsync(...req(oldname, newname));
+}