37 lines
970 B
Plaintext
37 lines
970 B
Plaintext
'use strict'
|
|
const path = require('path')
|
|
const pathExists = require('path-exists')
|
|
const loadYamlFile = require('load-yaml-file')
|
|
|
|
module.exports = async function (pkgPath) {
|
|
const modulesPath = path.join(pkgPath, 'node_modules')
|
|
const exists = await pathExists(path.join(modulesPath, '.yarn-integrity'))
|
|
if (exists) return { name: 'yarn' }
|
|
|
|
try {
|
|
const modules = await loadYamlFile(path.join(modulesPath, '.modules.yaml'))
|
|
return toNameAndVersion(modules.packageManager)
|
|
} catch (err) {
|
|
if (err.code !== 'ENOENT') throw err
|
|
}
|
|
|
|
const modulesExists = await pathExists(modulesPath)
|
|
return modulesExists ? { name: 'npm' } : null
|
|
}
|
|
|
|
function toNameAndVersion (pkgSpec) {
|
|
if (pkgSpec[0] === '@') {
|
|
const woPrefix = pkgSpec.substr(1)
|
|
const parts = woPrefix.split('@')
|
|
return {
|
|
name: `@${parts[0]}`,
|
|
version: parts[1]
|
|
}
|
|
}
|
|
const parts = pkgSpec.split('@')
|
|
return {
|
|
name: parts[0],
|
|
version: parts[1]
|
|
}
|
|
}
|