nodejs/deps/npm/node_modules/bin-links/lib/get-node-modules.js
Myles Borins 2e54524955
deps: update npm to 7.0.0-rc.3
PR-URL: https://github.com/nodejs/node/pull/35474
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Ben Coe <bencoe@gmail.com>
Reviewed-By: Geoffrey Booth <webmaster@geoffreybooth.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2020-10-07 09:59:49 -04:00

19 lines
526 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
}