| 12345678910111213141516 | var log = require('npmlog')var ping = require('../ping.js')function checkPing (cb) {  var tracker = log.newItem('checkPing', 1)  tracker.info('checkPing', 'Pinging registry')  ping({}, true, (err, pong) => {    if (err && err.code && err.code.match(/^E\d{3}$/)) {      return cb(null, [err.code.substr(1), 'failed'])    } else {      cb(null, [200, 'ok'])    }  })}module.exports = checkPing
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