nodejs/deps/npm/node_modules/bin-links/lib/get-node-modules.js
npm team c0ef0d5a66
deps: upgrade npm to 8.3.2
PR-URL: https://github.com/nodejs/node/pull/41621
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
2022-01-24 15:26:39 +01:00

20 lines
534 B
JavaScript

// we know it's global and/or not top, so the path has to be
// {prefix}/node_modules/{name}. Can't rely on pkg.name, because
// it might be installed as an alias.
const { dirname, basename } = require('path')
// this gets called a lot and can't change, so memoize it
const memo = new Map()
module.exports = path => {
if (memo.has(path)) {
return memo.get(path)
}
const scopeOrNm = dirname(path)
const nm = basename(scopeOrNm) === 'node_modules' ? scopeOrNm
: dirname(scopeOrNm)
memo.set(path, nm)
return nm
}