node/deps/npm/node_modules/@npmcli/arborist/lib/retire-path.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

20 lines
490 B
JavaScript

const crypto = require('crypto')
const {dirname, basename, resolve} = require('path')
// use sha1 because it's faster, and collisions extremely unlikely anyway
const pathSafeHash = s =>
crypto.createHash('sha1')
.update(s)
.digest('base64')
.replace(/[^a-zA-Z0-9]+/g, '')
.substr(0, 8)
const retirePath = from => {
const d = dirname(from)
const b = basename(from)
const hash = pathSafeHash(from)
return resolve(d, `.${b}-${hash}`)
}
module.exports = retirePath