module.exports = ping var url = require('url') var assert = require('assert') function ping (uri, params, cb) { assert(typeof uri === 'string', 'must pass registry URI to ping') assert(params && typeof params === 'object', 'must pass params to ping') assert(typeof cb === 'function', 'must pass callback to ping') var auth = params.auth assert(auth && typeof auth === 'object', 'must pass auth to ping') this.request(url.resolve(uri, '-/ping?write=true'), { auth: auth }, function (er, fullData, data, response) { if (er || fullData) { cb(er, fullData, data, response) } else { cb(new Error('No data received')) } }) }