var npm = require('./npm.js') module.exports = ping ping.usage = 'npm ping\nping registry' function ping (args, silent, cb) { if (typeof cb !== 'function') { cb = silent silent = false } var registry = npm.config.get('registry') if (!registry) return cb(new Error('no default registry set')) var auth = npm.config.getCredentialsByURI(registry) npm.registry.ping(registry, {auth: auth}, function (er, pong) { if (!silent) console.log(JSON.stringify(pong)) cb(er, er ? null : pong) }) }