summaryrefslogtreecommitdiff
path: root/js/link.ts
blob: 0d849d289d506a0375a8410d58703697b47433fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { sendSync, sendAsync, msg, flatbuffers } from "./dispatch_flatbuffers";

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 {
  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 sendAsync(...req(oldname, newname));
}