'use strict' const fs = require('graceful-fs').promises const log = require('./log') async function list (gyp, args) { const devDir = gyp.devDir log.verbose('list', 'using node-gyp dir:', devDir) let versions = [] try { const dir = await fs.readdir(devDir) if (Array.isArray(dir)) { versions = dir.filter((v) => v !== 'current') } } catch (err) { if (err && err.code !== 'ENOENT') { throw err } } return versions } module.exports = list module.exports.usage = 'Prints a listing of the currently installed node development files'