module.exports = root
const npm = require('./npm.js')
const output = require('./utils/output.js')
root.usage = 'npm root [-g]'
function root (args, silent, cb) {
if (typeof cb !== 'function') {
cb = silent
silent = false
}
if (!silent) output(npm.dir)
process.nextTick(cb.bind(this, null, npm.dir))
}