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?? access.js(5.54 KB)
?? adduser.js(1.31 KB)
?? audit.js(10.56 KB)
?? auth
?? bin.js(515 B)
?? bugs.js(864 B)
?? build.js(4.44 KB)
?? cache.js(4.66 KB)
?? ci.js(1.31 KB)
?? completion.js(7.11 KB)
?? config
?? config.js(7.43 KB)
?? dedupe.js(4.88 KB)
?? deprecate.js(2.11 KB)
?? dist-tag.js(4.11 KB)
?? docs.js(1.04 KB)
?? doctor
?? doctor.js(3.98 KB)
?? edit.js(1.37 KB)
?? explore.js(1.67 KB)
?? fetch-package-metadata.js(3.97 KB)
?? fetch-package-metadata.md(1.77 KB)
?? fund.js(4.91 KB)
?? get.js(235 B)
?? help-search.js(5.64 KB)
?? help.js(6.35 KB)
?? hook.js(4.62 KB)
?? init.js(2.74 KB)
?? install
?? install-ci-test.js(486 B)
?? install-test.js(507 B)
?? install.js(36.47 KB)
?? link.js(5.6 KB)
?? logout.js(1.26 KB)
?? ls.js(16.09 KB)
?? npm.js(14.37 KB)
?? org.js(4.18 KB)
?? outdated.js(12.28 KB)
?? owner.js(6.6 KB)
?? pack.js(11.79 KB)
?? ping.js(1.11 KB)
?? prefix.js(330 B)
?? profile.js(11.13 KB)
?? prune.js(2.23 KB)
?? publish.js(5.14 KB)
?? rebuild.js(2.09 KB)
?? repo.js(1.44 KB)
?? restart.js(64 B)
?? root.js(320 B)
?? run-script.js(5.41 KB)
?? search
?? search.js(3.36 KB)
?? set.js(276 B)
?? shrinkwrap.js(9.82 KB)
?? star.js(2.11 KB)
?? stars.js(1.03 KB)
?? start.js(62 B)
?? stop.js(61 B)
?? substack.js(509 B)
?? team.js(4.61 KB)
?? test.js(374 B)
?? token.js(6.66 KB)
?? unbuild.js(4.27 KB)
?? uninstall.js(2.21 KB)
?? unpublish.js(3.51 KB)
?? update.js(2.16 KB)
?? utils
?? version.js(9.79 KB)
?? view.js(15.11 KB)
?? visnup.js(4.01 KB)
?? whoami.js(1.77 KB)
?? xmas.js(1.62 KB)

Editing: doctor.js

'use strict'

const ansiTrim = require('./utils/ansi-trim')
const chain = require('slide').chain
const color = require('ansicolors')
const defaultRegistry = require('./config/defaults').defaults.registry
const log = require('npmlog')
const npm = require('./npm')
const output = require('./utils/output')
const path = require('path')
const semver = require('semver')
const styles = require('ansistyles')
const table = require('text-table')

// steps
const checkFilesPermission = require('./doctor/check-files-permission')
const checkPing = require('./doctor/check-ping')
const getGitPath = require('./doctor/get-git-path')
const getLatestNodejsVersion = require('./doctor/get-latest-nodejs-version')
const getLatestNpmVersion = require('./doctor/get-latest-npm-version')
const verifyCachedFiles = require('./doctor/verify-cached-files')

const globalNodeModules = path.join(npm.config.globalPrefix, 'lib', 'node_modules')
const localNodeModules = path.join(npm.config.localPrefix, 'node_modules')

module.exports = doctor

doctor.usage = 'npm doctor'

function doctor (args, silent, cb) {
  args = args || {}
  if (typeof cb !== 'function') {
    cb = silent
    silent = false
  }

const actionsToRun = [
    [checkPing],
    [getLatestNpmVersion],
    [getLatestNodejsVersion, args['node-url']],
    [getGitPath],
    [checkFilesPermission, npm.cache, 4, 6],
    [checkFilesPermission, globalNodeModules, 4, 4],
    [checkFilesPermission, localNodeModules, 6, 6],
    [verifyCachedFiles, path.join(npm.cache, '_cacache')]
  ]

log.info('doctor', 'Running checkup')
  chain(actionsToRun, function (stderr, stdout) {
    if (stderr && stderr.message !== 'not found: git') return cb(stderr)
    const list = makePretty(stdout)
    let outHead = ['Check', 'Value', 'Recommendation']
    let outBody = list

if (npm.color) {
      outHead = outHead.map(function (item) {
        return styles.underline(item)
      })
      outBody = outBody.map(function (item) {
        if (item[2]) {
          item[0] = color.red(item[0])
          item[2] = color.magenta(item[2])
        }
        return item
      })
    }

const outTable = [outHead].concat(outBody)
    const tableOpts = {
      stringLength: function (s) { return ansiTrim(s).length }
    }

if (!silent) output(table(outTable, tableOpts))

cb(null, list)
  })
}

function makePretty (p) {
  const ping = p[1]
  const npmLTS = p[2]
  const nodeLTS = p[3].replace('v', '')
  const whichGit = p[4] || 'not installed'
  const readbleCaches = p[5] ? 'ok' : 'notOk'
  const executableGlobalModules = p[6] ? 'ok' : 'notOk'
  const executableLocalModules = p[7] ? 'ok' : 'notOk'
  const cacheStatus = p[8] ? `verified ${p[8].verifiedContent} tarballs` : 'notOk'
  const npmV = npm.version
  const nodeV = process.version.replace('v', '')
  const registry = npm.config.get('registry') || ''
  const list = [
    ['npm ping', ping],
    ['npm -v', 'v' + npmV],
    ['node -v', 'v' + nodeV],
    ['npm config get registry', registry],
    ['which git', whichGit],
    ['Perms check on cached files', readbleCaches],
    ['Perms check on global node_modules', executableGlobalModules],
    ['Perms check on local node_modules', executableLocalModules],
    ['Verify cache contents', cacheStatus]
  ]

if (p[0] !== 200) list[0][2] = 'Check your internet connection'
  if (!semver.satisfies(npmV, '>=' + npmLTS)) list[1][2] = 'Use npm v' + npmLTS
  if (!semver.satisfies(nodeV, '>=' + nodeLTS)) list[2][2] = 'Use node v' + nodeLTS
  if (registry !== defaultRegistry) list[3][2] = 'Try `npm config set registry ' + defaultRegistry + '`'
  if (whichGit === 'not installed') list[4][2] = 'Install git and ensure it\'s in your PATH.'
  if (readbleCaches !== 'ok') list[5][2] = 'Check the permissions of your files in ' + npm.config.get('cache')
  if (executableGlobalModules !== 'ok') list[6][2] = globalNodeModules + ' must be readable and writable by the current user.'
  if (executableLocalModules !== 'ok') list[7][2] = localNodeModules + ' must be readable and writable by the current user.'

return list
}

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Editing: doctor.js

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