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
|
import execa from "execa";
import os from "os";
export type PackageManager = "npm" | "yarn" | "pnpm";
export type PackageManagerAvailable = { available: boolean; version?: string };
async function getVersion(
packageManager: string
): Promise<PackageManagerAvailable> {
// run the check from tmpdir to avoid corepack conflicting -
// this is no longer needed as of https://github.com/nodejs/corepack/pull/167
// but we'll keep the behavior for those on older versions)
const execOptions = {
cwd: os.tmpdir(),
env: { COREPACK_ENABLE_STRICT: "0" },
};
let available = false;
try {
const userAgent = process.env.npm_config_user_agent;
if (userAgent && userAgent.startsWith(packageManager)) {
available = true;
}
const result = await execa(packageManager, ["--version"], execOptions);
return {
available: true,
version: result.stdout.trim(),
};
} catch (e) {
return {
available,
};
}
}
async function getAvailablePackageManagers(): Promise<
Record<PackageManager, PackageManagerAvailable>
> {
const [yarn, npm, pnpm] = await Promise.all([
getVersion("yarnpkg"),
getVersion("npm"),
getVersion("pnpm"),
]);
return {
yarn,
pnpm,
npm,
};
}
export { getAvailablePackageManagers };
|
