/snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/arborist/lib
Edit: /snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/version-from-tgz.js (1488B)
const semver = require('semver')
const { basename } = require('node:path')
const { URL } = require('node:url')
module.exports = (name, tgz) => {
const base = basename(tgz)
if (!base.endsWith('.tgz')) {
return null
}
if (tgz.startsWith('http:/') || tgz.startsWith('https:/')) {
const u = new URL(tgz)
// registry url? check for most likely pattern.
// either /@foo/bar/-/bar-1.2.3.tgz or
// /foo/-/foo-1.2.3.tgz, and fall through to
// basename checking. Note that registries can
// be mounted below the root url, so /a/b/-/x/y/foo/-/foo-1.2.3.tgz
// is a potential option.
const tfsplit = u.pathname.slice(1).split('/-/')
if (tfsplit.length > 1) {
const afterTF = tfsplit.pop()
if (afterTF === base) {
const pre = tfsplit.pop()
const preSplit = pre.split(/\/|%2f/i)
const project = preSplit.pop()
const scope = preSplit.pop()
return versionFromBaseScopeName(base, scope, project)
}
}
}
const split = name.split(/\/|%2f/i)
const project = split.pop()
const scope = split.pop()
return versionFromBaseScopeName(base, scope, project)
}
const versionFromBaseScopeName = (base, scope, name) => {
if (!base.startsWith(name + '-')) {
return null
}
const parsed = semver.parse(base.substring(name.length + 1, base.length - 4))
return parsed ? {
name: scope && scope.charAt(0) === '@' ? `${scope}/${name}` : name,
version: parsed.version,
} : null
}