1'use strict' 2 3const fs = require('graceful-fs') 4const log = require('npmlog') 5 6function list (gyp, args, callback) { 7 var devDir = gyp.devDir 8 log.verbose('list', 'using node-gyp dir:', devDir) 9 10 fs.readdir(devDir, onreaddir) 11 12 function onreaddir (err, versions) { 13 if (err && err.code !== 'ENOENT') { 14 return callback(err) 15 } 16 17 if (Array.isArray(versions)) { 18 versions = versions.filter(function (v) { return v !== 'current' }) 19 } else { 20 versions = [] 21 } 22 callback(null, versions) 23 } 24} 25 26module.exports = list 27module.exports.usage = 'Prints a listing of the currently installed node development files' 28