-
Notifications
You must be signed in to change notification settings - Fork 602
/
ensure_symlink.ts
72 lines (62 loc) · 2.05 KB
/
ensure_symlink.ts
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import * as path from "../path/mod.ts";
import { ensureDir, ensureDirSync } from "./ensure_dir.ts";
import { exists, existsSync } from "./exists.ts";
import { getFileInfoType } from "./_util.ts";
import { isWindows } from "../_util/os.ts";
/**
* Ensures that the link exists.
* If the directory structure does not exist, it is created.
*
* @param src the source file path
* @param dest the destination link path
*/
export async function ensureSymlink(src: string, dest: string) {
const srcStatInfo = await Deno.lstat(src);
const srcFilePathType = getFileInfoType(srcStatInfo);
if (await exists(dest)) {
const destStatInfo = await Deno.lstat(dest);
const destFilePathType = getFileInfoType(destStatInfo);
if (destFilePathType !== "symlink") {
throw new Error(
`Ensure path exists, expected 'symlink', got '${destFilePathType}'`,
);
}
return;
}
await ensureDir(path.dirname(dest));
const options: Deno.SymlinkOptions | undefined = isWindows
? {
type: srcFilePathType === "dir" ? "dir" : "file",
}
: undefined;
await Deno.symlink(src, dest, options);
}
/**
* Ensures that the link exists.
* If the directory structure does not exist, it is created.
*
* @param src the source file path
* @param dest the destination link path
*/
export function ensureSymlinkSync(src: string, dest: string): void {
const srcStatInfo = Deno.lstatSync(src);
const srcFilePathType = getFileInfoType(srcStatInfo);
if (existsSync(dest)) {
const destStatInfo = Deno.lstatSync(dest);
const destFilePathType = getFileInfoType(destStatInfo);
if (destFilePathType !== "symlink") {
throw new Error(
`Ensure path exists, expected 'symlink', got '${destFilePathType}'`,
);
}
return;
}
ensureDirSync(path.dirname(dest));
const options: Deno.SymlinkOptions | undefined = isWindows
? {
type: srcFilePathType === "dir" ? "dir" : "file",
}
: undefined;
Deno.symlinkSync(src, dest, options);
}