Node.js v11.13.0

48 files changed, 1968 insertions, 0 deletions

diff --git a/deps/node/deps/npm/lib/utils/ansi-trim.js b/deps/node/deps/npm/lib/utils/ansi-trim.js
new file mode 100644
index 00000000..7f9a6c30
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/ansi-trim.js
@@ -0,0 +1,7 @@
+function ansiTrim (str) {
+  var r = new RegExp('\x1b(?:\\[(?:\\d+[ABCDEFGJKSTm]|\\d+;\\d+[Hfm]|' +
+        '\\d+;\\d+;\\d+m|6n|s|u|\\?25[lh])|\\w)', 'g')
+  return str.replace(r, '')
+}
+
+module.exports = ansiTrim
diff --git a/deps/node/deps/npm/lib/utils/child-path.js b/deps/node/deps/npm/lib/utils/child-path.js
new file mode 100644
index 00000000..4594f432
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/child-path.js
@@ -0,0 +1,10 @@
+'use strict'
+var path = require('path')
+var validate = require('aproba')
+var moduleName = require('../utils/module-name.js')
+
+module.exports = childPath
+function childPath (parentPath, child) {
+  validate('SO', arguments)
+  return path.join(parentPath, 'node_modules', moduleName(child))
+}
diff --git a/deps/node/deps/npm/lib/utils/completion.sh b/deps/node/deps/npm/lib/utils/completion.sh
new file mode 100755
index 00000000..c549b31c
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/completion.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+###-begin-npm-completion-###
+#
+# npm command completion script
+#
+# Installation: npm completion >> ~/.bashrc  (or ~/.zshrc)
+# Or, maybe: npm completion > /usr/local/etc/bash_completion.d/npm
+#
+
+if type complete &>/dev/null; then
+  _npm_completion () {
+    local words cword
+    if type _get_comp_words_by_ref &>/dev/null; then
+      _get_comp_words_by_ref -n = -n @ -n : -w words -i cword
+    else
+      cword="$COMP_CWORD"
+      words=("${COMP_WORDS[@]}")
+    fi
+
+    local si="$IFS"
+    IFS=$'\n' COMPREPLY=($(COMP_CWORD="$cword" \
+                           COMP_LINE="$COMP_LINE" \
+                           COMP_POINT="$COMP_POINT" \
+                           npm completion -- "${words[@]}" \
+                           2>/dev/null)) || return $?
+    IFS="$si"
+    if type __ltrim_colon_completions &>/dev/null; then
+      __ltrim_colon_completions "${words[cword]}"
+    fi
+  }
+  complete -o default -F _npm_completion npm
+elif type compdef &>/dev/null; then
+  _npm_completion() {
+    local si=$IFS
+    compadd -- $(COMP_CWORD=$((CURRENT-1)) \
+                 COMP_LINE=$BUFFER \
+                 COMP_POINT=0 \
+                 npm completion -- "${words[@]}" \
+                 2>/dev/null)
+    IFS=$si
+  }
+  compdef _npm_completion npm
+elif type compctl &>/dev/null; then
+  _npm_completion () {
+    local cword line point words si
+    read -Ac words
+    read -cn cword
+    let cword-=1
+    read -l line
+    read -ln point
+    si="$IFS"
+    IFS=$'\n' reply=($(COMP_CWORD="$cword" \
+                       COMP_LINE="$line" \
+                       COMP_POINT="$point" \
+                       npm completion -- "${words[@]}" \
+                       2>/dev/null)) || return $?
+    IFS="$si"
+  }
+  compctl -K _npm_completion npm
+fi
+###-end-npm-completion-###
diff --git a/deps/node/deps/npm/lib/utils/completion/file-completion.js b/deps/node/deps/npm/lib/utils/completion/file-completion.js
new file mode 100644
index 00000000..e16b636a
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/completion/file-completion.js
@@ -0,0 +1,24 @@
+module.exports = fileCompletion
+
+var mkdir = require('mkdirp')
+var glob = require('glob')
+
+function fileCompletion (root, req, depth, cb) {
+  if (typeof cb !== 'function') {
+    cb = depth
+    depth = Infinity
+  }
+  mkdir(root, function (er) {
+    if (er) return cb(er)
+
+    // can be either exactly the req, or a descendent
+    var pattern = root + '/{' + req + ',' + req + '/**/*}'
+    var opts = { mark: true, dot: true, maxDepth: depth }
+    glob(pattern, opts, function (er, files) {
+      if (er) return cb(er)
+      return cb(null, (files || []).map(function (f) {
+        return f.substr(root.length + 1).replace(/^\/|\/$/g, '')
+      }))
+    })
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/completion/installed-deep.js b/deps/node/deps/npm/lib/utils/completion/installed-deep.js
new file mode 100644
index 00000000..dc9bfbee
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/completion/installed-deep.js
@@ -0,0 +1,52 @@
+module.exports = installedDeep
+
+var npm = require('../../npm.js')
+var readInstalled = require('read-installed')
+
+function installedDeep (opts, cb) {
+  var local
+  var global
+  var depth = npm.config.get('depth')
+  var opt = { depth: depth, dev: true }
+
+  if (npm.config.get('global')) {
+    local = []
+    next()
+  } else {
+    readInstalled(npm.prefix, opt, function (er, data) {
+      local = getNames(data || {})
+      next()
+    })
+  }
+
+  readInstalled(npm.config.get('prefix'), opt, function (er, data) {
+    global = getNames(data || {})
+    next()
+  })
+
+  function getNames_ (d, n) {
+    if (d.realName && n) {
+      if (n[d.realName]) return n
+      n[d.realName] = true
+    }
+    if (!n) n = {}
+    Object.keys(d.dependencies || {}).forEach(function (dep) {
+      getNames_(d.dependencies[dep], n)
+    })
+    return n
+  }
+  function getNames (d) {
+    return Object.keys(getNames_(d))
+  }
+
+  function next () {
+    if (!local || !global) return
+    if (!npm.config.get('global')) {
+      global = global.map(function (g) {
+        return [g, '-g']
+      })
+    }
+    var names = local.concat(global)
+    return cb(null, names)
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/completion/installed-shallow.js b/deps/node/deps/npm/lib/utils/completion/installed-shallow.js
new file mode 100644
index 00000000..bf692fed
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/completion/installed-shallow.js
@@ -0,0 +1,87 @@
+
+module.exports = installedShallow
+
+var npm = require('../../npm.js')
+var fs = require('graceful-fs')
+var path = require('path')
+var readJson = require('read-package-json')
+var asyncMap = require('slide').asyncMap
+
+function installedShallow (opts, filter, cb) {
+  if (typeof cb !== 'function') {
+    cb = filter
+    filter = null
+  }
+  var conf = opts.conf
+  var args = conf.argv.remain
+  if (args.length > 3) return cb()
+  var local
+  var global
+  var localDir = npm.dir
+  var globalDir = npm.globalDir
+  if (npm.config.get('global')) {
+    local = []
+    next()
+  } else {
+    fs.readdir(localDir, function (er, pkgs) {
+      local = (pkgs || []).filter(function (p) {
+        return p.charAt(0) !== '.'
+      })
+      next()
+    })
+  }
+
+  fs.readdir(globalDir, function (er, pkgs) {
+    global = (pkgs || []).filter(function (p) {
+      return p.charAt(0) !== '.'
+    })
+    next()
+  })
+  function next () {
+    if (!local || !global) return
+    filterInstalled(local, global, filter, cb)
+  }
+}
+
+function filterInstalled (local, global, filter, cb) {
+  var fl
+  var fg
+
+  if (!filter) {
+    fl = local
+    fg = global
+    return next()
+  }
+
+  asyncMap(local, function (p, cb) {
+    readJson(path.join(npm.dir, p, 'package.json'), function (er, d) {
+      if (!d || !filter(d)) return cb(null, [])
+      return cb(null, d.name)
+    })
+  }, function (er, local) {
+    fl = local || []
+    next()
+  })
+
+  var globalDir = npm.globalDir
+  asyncMap(global, function (p, cb) {
+    readJson(path.join(globalDir, p, 'package.json'), function (er, d) {
+      if (!d || !filter(d)) return cb(null, [])
+      return cb(null, d.name)
+    })
+  }, function (er, global) {
+    fg = global || []
+    next()
+  })
+
+  function next () {
+    if (!fg || !fl) return
+    if (!npm.config.get('global')) {
+      fg = fg.map(function (g) {
+        return [g, '-g']
+      })
+    }
+    console.error('filtered', fl, fg)
+    return cb(null, fl.concat(fg))
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/correct-mkdir.js b/deps/node/deps/npm/lib/utils/correct-mkdir.js
new file mode 100644
index 00000000..68c4a4ad
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/correct-mkdir.js
@@ -0,0 +1,123 @@
+var chownr = require('chownr')
+var dezalgo = require('dezalgo')
+var fs = require('graceful-fs')
+var inflight = require('inflight')
+var log = require('npmlog')
+var mkdirp = require('mkdirp')
+
+// memoize the directories created by this step
+var stats = {}
+var effectiveOwner
+module.exports = function correctMkdir (path, cb) {
+  cb = dezalgo(cb)
+  cb = inflight('correctMkdir:' + path, cb)
+  if (!cb) {
+    return log.verbose('correctMkdir', path, 'correctMkdir already in flight; waiting')
+  } else {
+    log.verbose('correctMkdir', path, 'correctMkdir not in flight; initializing')
+  }
+
+  if (stats[path]) return cb(null, stats[path])
+
+  fs.stat(path, function (er, st) {
+    if (er) return makeDirectory(path, cb)
+
+    if (!st.isDirectory()) {
+      log.error('correctMkdir', 'invalid dir %s', path)
+      return cb(er)
+    }
+
+    var ownerStats = calculateOwner()
+    // there's always a chance the permissions could have been frobbed, so fix
+    if (st.uid !== ownerStats.uid) {
+      stats[path] = ownerStats
+      setPermissions(path, ownerStats, cb)
+    } else {
+      stats[path] = st
+      cb(null, stats[path])
+    }
+  })
+}
+
+function calculateOwner () {
+  if (!effectiveOwner) {
+    effectiveOwner = { uid: 0, gid: 0 }
+
+    // Pretty much only on windows
+    if (!process.getuid) {
+      return effectiveOwner
+    }
+
+    effectiveOwner.uid = +process.getuid()
+    effectiveOwner.gid = +process.getgid()
+
+    if (effectiveOwner.uid === 0) {
+      if (process.env.SUDO_UID) effectiveOwner.uid = +process.env.SUDO_UID
+      if (process.env.SUDO_GID) effectiveOwner.gid = +process.env.SUDO_GID
+    }
+  }
+
+  return effectiveOwner
+}
+
+function makeDirectory (path, cb) {
+  cb = inflight('makeDirectory:' + path, cb)
+  if (!cb) {
+    return log.verbose('makeDirectory', path, 'creation already in flight; waiting')
+  } else {
+    log.verbose('makeDirectory', path, 'creation not in flight; initializing')
+  }
+
+  var owner = calculateOwner()
+
+  if (!process.getuid) {
+    return mkdirp(path, function (er) {
+      log.verbose('makeCacheDir', 'UID & GID are irrelevant on', process.platform)
+
+      stats[path] = owner
+      return cb(er, stats[path])
+    })
+  }
+
+  if (owner.uid !== 0 || !process.env.HOME) {
+    log.silly(
+      'makeDirectory', path,
+      'uid:', owner.uid,
+      'gid:', owner.gid
+    )
+    stats[path] = owner
+    mkdirp(path, afterMkdir)
+  } else {
+    fs.stat(process.env.HOME, function (er, st) {
+      if (er) {
+        log.error('makeDirectory', 'homeless?')
+        return cb(er)
+      }
+
+      log.silly(
+        'makeDirectory', path,
+        'uid:', st.uid,
+        'gid:', st.gid
+      )
+      stats[path] = st
+      mkdirp(path, afterMkdir)
+    })
+  }
+
+  function afterMkdir (er, made) {
+    if (er || !stats[path] || isNaN(stats[path].uid) || isNaN(stats[path].gid)) {
+      return cb(er, stats[path])
+    }
+
+    if (!made) return cb(er, stats[path])
+
+    setPermissions(made, stats[path], cb)
+  }
+}
+
+function setPermissions (path, st, cb) {
+  chownr(path, st.uid, st.gid, function (er) {
+    if (er && er.code === 'ENOENT') return cb(null, st)
+    return cb(er, st)
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/deep-sort-object.js b/deps/node/deps/npm/lib/utils/deep-sort-object.js
new file mode 100644
index 00000000..7499efc4
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/deep-sort-object.js
@@ -0,0 +1,14 @@
+'use strict'
+var sortedObject = require('sorted-object')
+
+module.exports = function deepSortObject (obj) {
+  if (obj == null || typeof obj !== 'object') return obj
+  if (obj instanceof Array) {
+    return obj.map(deepSortObject)
+  }
+  obj = sortedObject(obj)
+  Object.keys(obj).forEach(function (key) {
+    obj[key] = deepSortObject(obj[key])
+  })
+  return obj
+}
diff --git a/deps/node/deps/npm/lib/utils/depr-check.js b/deps/node/deps/npm/lib/utils/depr-check.js
new file mode 100644
index 00000000..97023ddd
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/depr-check.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const log = require('npmlog')
+
+const deprecated = {}
+const deprWarned = {}
+
+module.exports = deprCheck
+function deprCheck (data) {
+  if (deprecated[data._id]) {
+    data.deprecated = deprecated[data._id]
+  }
+
+  if (data.deprecated) {
+    deprecated[data._id] = data.deprecated
+    if (!deprWarned[data._id]) {
+      deprWarned[data._id] = true
+      log.warn('deprecated', '%s: %s', data._id, data.deprecated)
+    }
+  }
+
+  return data
+}
diff --git a/deps/node/deps/npm/lib/utils/did-you-mean.js b/deps/node/deps/npm/lib/utils/did-you-mean.js
new file mode 100644
index 00000000..479f0475
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/did-you-mean.js
@@ -0,0 +1,17 @@
+var meant = require('meant')
+
+function didYouMean (scmd, commands) {
+  var bestSimilarity = meant(scmd, commands).map(function (str) {
+    return '    ' + str
+  })
+
+  if (bestSimilarity.length === 0) return ''
+  if (bestSimilarity.length === 1) {
+    return '\nDid you mean this?\n' + bestSimilarity[0]
+  } else {
+    return ['\nDid you mean one of these?']
+      .concat(bestSimilarity.slice(0, 3)).join('\n')
+  }
+}
+
+module.exports = didYouMean
diff --git a/deps/node/deps/npm/lib/utils/error-handler.js b/deps/node/deps/npm/lib/utils/error-handler.js
new file mode 100644
index 00000000..ba9d9f8e
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/error-handler.js
@@ -0,0 +1,252 @@
+
+module.exports = errorHandler
+module.exports.exit = exit
+
+var cbCalled = false
+var log = require('npmlog')
+var npm = require('../npm.js')
+var itWorked = false
+var path = require('path')
+var wroteLogFile = false
+var exitCode = 0
+var rollbacks = npm.rollbacks
+var chain = require('slide').chain
+var writeFileAtomic = require('write-file-atomic')
+var errorMessage = require('./error-message.js')
+var stopMetrics = require('./metrics.js').stop
+var mkdirp = require('mkdirp')
+var fs = require('graceful-fs')
+
+var logFileName
+function getLogFile () {
+  if (!logFileName) {
+    logFileName = path.resolve(npm.config.get('cache'), '_logs', (new Date()).toISOString().replace(/[.:]/g, '_') + '-debug.log')
+  }
+  return logFileName
+}
+
+var timings = {
+  version: npm.version,
+  command: process.argv.slice(2),
+  logfile: null
+}
+process.on('timing', function (name, value) {
+  if (timings[name]) { timings[name] += value } else { timings[name] = value }
+})
+
+process.on('exit', function (code) {
+  process.emit('timeEnd', 'npm')
+  log.disableProgress()
+  if (npm.config.loaded && npm.config.get('timing')) {
+    try {
+      timings.logfile = getLogFile()
+      fs.appendFileSync(path.join(npm.config.get('cache'), '_timing.json'), JSON.stringify(timings) + '\n')
+    } catch (_) {
+      // ignore
+    }
+  }
+
+  // kill any outstanding stats reporter if it hasn't finished yet
+  stopMetrics()
+
+  if (code) itWorked = false
+  if (itWorked) {
+    log.info('ok')
+  } else {
+    if (!cbCalled) {
+      log.error('', 'cb() never called!')
+      console.error('')
+      log.error('', 'This is an error with npm itself. Please report this error at:')
+      log.error('', '    <https://npm.community>')
+      writeLogFile()
+    }
+
+    if (code) {
+      log.verbose('code', code)
+    }
+  }
+  if (npm.config.loaded && npm.config.get('timing') && !wroteLogFile) writeLogFile()
+  if (wroteLogFile) {
+    // just a line break
+    if (log.levels[log.level] <= log.levels.error) console.error('')
+
+    log.error(
+      '',
+      [
+        'A complete log of this run can be found in:',
+        '    ' + getLogFile()
+      ].join('\n')
+    )
+    wroteLogFile = false
+  }
+
+  var doExit = npm.config.loaded && npm.config.get('_exit')
+  if (doExit) {
+    // actually exit.
+    if (exitCode === 0 && !itWorked) {
+      exitCode = 1
+    }
+    if (exitCode !== 0) process.exit(exitCode)
+  } else {
+    itWorked = false // ready for next exit
+  }
+})
+
+function exit (code, noLog) {
+  exitCode = exitCode || process.exitCode || code
+
+  var doExit = npm.config.loaded ? npm.config.get('_exit') : true
+  log.verbose('exit', [code, doExit])
+  if (log.level === 'silent') noLog = true
+
+  if (rollbacks.length) {
+    chain(rollbacks.map(function (f) {
+      return function (cb) {
+        npm.commands.unbuild([f], true, cb)
+      }
+    }), function (er) {
+      if (er) {
+        log.error('error rolling back', er)
+        if (!code) {
+          errorHandler(er)
+        } else {
+          if (!noLog) writeLogFile()
+          reallyExit(er)
+        }
+      } else {
+        if (!noLog && code) writeLogFile()
+        reallyExit()
+      }
+    })
+    rollbacks.length = 0
+  } else if (code && !noLog) {
+    writeLogFile()
+  } else {
+    reallyExit()
+  }
+
+  function reallyExit (er) {
+    if (er && !code) code = typeof er.errno === 'number' ? er.errno : 1
+
+    itWorked = !code
+
+    // Exit directly -- nothing in the CLI should still be running in the
+    // background at this point, and this makes sure anything left dangling
+    // for whatever reason gets thrown away, instead of leaving the CLI open
+    //
+    // Commands that expect long-running actions should just delay `cb()`
+    process.stdout.write('', () => {
+      process.exit(code)
+    })
+  }
+}
+
+function errorHandler (er) {
+  log.disableProgress()
+  if (!npm.config || !npm.config.loaded) {
+    // logging won't work unless we pretend that it's ready
+    er = er || new Error('Exit prior to config file resolving.')
+    console.error(er.stack || er.message)
+  }
+
+  if (cbCalled) {
+    er = er || new Error('Callback called more than once.')
+  }
+
+  cbCalled = true
+  if (!er) return exit(0)
+  if (typeof er === 'string') {
+    log.error('', er)
+    return exit(1, true)
+  } else if (!(er instanceof Error)) {
+    log.error('weird error', er)
+    return exit(1, true)
+  }
+
+  var m = er.code || er.message.match(/^(?:Error: )?(E[A-Z]+)/)
+  if (m && !er.code) {
+    er.code = m
+  }
+
+  ;[
+    'type',
+    'stack',
+    'statusCode',
+    'pkgid'
+  ].forEach(function (k) {
+    var v = er[k]
+    if (!v) return
+    log.verbose(k, v)
+  })
+
+  log.verbose('cwd', process.cwd())
+
+  var os = require('os')
+  log.verbose('', os.type() + ' ' + os.release())
+  log.verbose('argv', process.argv.map(JSON.stringify).join(' '))
+  log.verbose('node', process.version)
+  log.verbose('npm ', 'v' + npm.version)
+
+  ;[
+    'file',
+    'path',
+    'code',
+    'errno',
+    'syscall'
+  ].forEach(function (k) {
+    var v = er[k]
+    if (v) log.error(k, v)
+  })
+
+  var msg = errorMessage(er)
+  msg.summary.concat(msg.detail).forEach(function (errline) {
+    log.error.apply(log, errline)
+  })
+  if (npm.config && npm.config.get('json')) {
+    var error = {
+      error: {
+        code: er.code,
+        summary: messageText(msg.summary),
+        detail: messageText(msg.detail)
+      }
+    }
+    console.log(JSON.stringify(error, null, 2))
+  }
+
+  exit(typeof er.errno === 'number' ? er.errno : 1)
+}
+
+function messageText (msg) {
+  return msg.map(function (line) {
+    return line.slice(1).join(' ')
+  }).join('\n')
+}
+
+function writeLogFile () {
+  if (wroteLogFile) return
+
+  var os = require('os')
+
+  try {
+    mkdirp.sync(path.resolve(npm.config.get('cache'), '_logs'))
+    var logOutput = ''
+    log.record.forEach(function (m) {
+      var pref = [m.id, m.level]
+      if (m.prefix) pref.push(m.prefix)
+      pref = pref.join(' ')
+
+      m.message.trim().split(/\r?\n/).map(function (line) {
+        return (pref + ' ' + line).trim()
+      }).forEach(function (line) {
+        logOutput += line + os.EOL
+      })
+    })
+    writeFileAtomic.sync(getLogFile(), logOutput)
+
+    // truncate once it's been written.
+    log.record.length = 0
+    wroteLogFile = true
+  } catch (ex) {
+
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/error-message.js b/deps/node/deps/npm/lib/utils/error-message.js
new file mode 100644
index 00000000..55c54634
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/error-message.js
@@ -0,0 +1,367 @@
+'use strict'
+var npm = require('../npm.js')
+var util = require('util')
+var nameValidator = require('validate-npm-package-name')
+
+module.exports = errorMessage
+
+function errorMessage (er) {
+  var short = []
+  var detail = []
+  switch (er.code) {
+    case 'ENOAUDIT':
+      short.push(['audit', er.message])
+      break
+    case 'EAUDITNOPJSON':
+      short.push(['audit', er.message])
+      break
+    case 'EAUDITNOLOCK':
+      short.push(['audit', er.message])
+      detail.push(['audit', 'Try creating one first with: npm i --package-lock-only'])
+      break
+
+    case 'ECONNREFUSED':
+      short.push(['', er])
+      detail.push([
+        '',
+        [
+          '\nIf you are behind a proxy, please make sure that the',
+          "'proxy' config is set properly.  See: 'npm help config'"
+        ].join('\n')
+      ])
+      break
+
+    case 'EACCES':
+    case 'EPERM':
+      short.push(['', er])
+      detail.push([
+        '',
+        [
+          '\nThe operation was rejected by your operating system.',
+          (process.platform === 'win32'
+            ? 'It\'s possible that the file was already in use (by a text editor or antivirus),\nor that you lack permissions to access it.'
+            : 'It is likely you do not have the permissions to access this file as the current user'),
+          '\nIf you believe this might be a permissions issue, please double-check the',
+          'permissions of the file and its containing directories, or try running',
+          'the command again as root/Administrator (though this is not recommended).'
+        ].join('\n')])
+      break
+
+    case 'ELIFECYCLE':
+      short.push(['', er.message])
+      detail.push([
+        '',
+        [
+          '',
+          'Failed at the ' + er.pkgid + ' ' + er.stage + ' script.',
+          'This is probably not a problem with npm. There is likely additional logging output above.'
+        ].join('\n')]
+      )
+      break
+
+    case 'ENOGIT':
+      short.push(['', er.message])
+      detail.push([
+        '',
+        [
+          '',
+          'Failed using git.',
+          'Please check if you have git installed and in your PATH.'
+        ].join('\n')
+      ])
+      break
+
+    case 'EJSONPARSE':
+      const path = require('path')
+      // Check whether we ran into a conflict in our own package.json
+      if (er.file === path.join(npm.prefix, 'package.json')) {
+        const isDiff = require('../install/read-shrinkwrap.js')._isDiff
+        const txt = require('fs').readFileSync(er.file, 'utf8')
+        if (isDiff(txt)) {
+          detail.push([
+            '',
+            [
+              'Merge conflict detected in your package.json.',
+              '',
+              'Please resolve the package.json conflict and retry the command:',
+              '',
+              `$ ${process.argv.join(' ')}`
+            ].join('\n')
+          ])
+          break
+        }
+      }
+      short.push(['JSON.parse', er.message])
+      detail.push([
+        'JSON.parse',
+        [
+          'Failed to parse package.json data.',
+          'package.json must be actual JSON, not just JavaScript.'
+        ].join('\n')
+      ])
+      break
+
+    case 'EOTP':
+    case 'E401':
+      // E401 is for places where we accidentally neglect OTP stuff
+      if (er.code === 'EOTP' || /one-time pass/.test(er.message)) {
+        short.push(['', 'This operation requires a one-time password from your authenticator.'])
+        detail.push([
+          '',
+          [
+            'You can provide a one-time password by passing --otp=<code> to the command you ran.',
+            'If you already provided a one-time password then it is likely that you either typoed',
+            'it, or it timed out. Please try again.'
+          ].join('\n')
+        ])
+      } else {
+        // npm ERR! code E401
+        // npm ERR! Unable to authenticate, need: Basic
+        const auth = (er.headers && er.headers['www-authenticate'] && er.headers['www-authenticate'].map((au) => au.split(/,\s*/))[0]) || []
+        if (auth.indexOf('Bearer') !== -1) {
+          short.push(['', 'Unable to authenticate, your authentication token seems to be invalid.'])
+          detail.push([
+            '',
+            [
+              'To correct this please trying logging in again with:',
+              '    npm login'
+            ].join('\n')
+          ])
+        } else if (auth.indexOf('Basic') !== -1) {
+          short.push(['', 'Incorrect or missing password.'])
+          detail.push([
+            '',
+            [
+              'If you were trying to login, change your password, create an',
+              'authentication token or enable two-factor authentication then',
+              'that means you likely typed your password in incorrectly.',
+              'Please try again, or recover your password at:',
+              '    https://www.npmjs.com/forgot',
+              '',
+              'If you were doing some other operation then your saved credentials are',
+              'probably out of date. To correct this please try logging in again with:',
+              '    npm login'
+            ].join('\n')
+          ])
+        } else {
+          short.push(['', er.message || er])
+        }
+      }
+      break
+
+    case 'E404':
+      // There's no need to have 404 in the message as well.
+      var msg = er.message.replace(/^404\s+/, '')
+      short.push(['404', msg])
+      if (er.pkgid && er.pkgid !== '-') {
+        detail.push(['404', ''])
+        detail.push(['404', '', "'" + er.pkgid + "' is not in the npm registry."])
+
+        var valResult = nameValidator(er.pkgid)
+
+        if (valResult.validForNewPackages) {
+          detail.push(['404', 'You should bug the author to publish it (or use the name yourself!)'])
+        } else {
+          detail.push(['404', 'Your package name is not valid, because', ''])
+
+          var errorsArray = (valResult.errors || []).concat(valResult.warnings || [])
+          errorsArray.forEach(function (item, idx) {
+            detail.push(['404', ' ' + (idx + 1) + '. ' + item])
+          })
+        }
+
+        if (er.parent) {
+          detail.push(['404', "It was specified as a dependency of '" + er.parent + "'"])
+        }
+        detail.push(['404', '\nNote that you can also install from a'])
+        detail.push(['404', 'tarball, folder, http url, or git url.'])
+      }
+      break
+
+    case 'EPUBLISHCONFLICT':
+      short.push(['publish fail', 'Cannot publish over existing version.'])
+      detail.push(['publish fail', "Update the 'version' field in package.json and try again."])
+      detail.push(['publish fail', ''])
+      detail.push(['publish fail', 'To automatically increment version numbers, see:'])
+      detail.push(['publish fail', '    npm help version'])
+      break
+
+    case 'EISGIT':
+      short.push(['git', er.message])
+      short.push(['git', '    ' + er.path])
+      detail.push([
+        'git',
+        [
+          'Refusing to remove it. Update manually,',
+          'or move it out of the way first.'
+        ].join('\n')
+      ])
+      break
+
+    case 'ECYCLE':
+      short.push([
+        'cycle',
+        [
+          er.message,
+          'While installing: ' + er.pkgid
+        ].join('\n')
+      ])
+      detail.push([
+        'cycle',
+        [
+          'Found a pathological dependency case that npm cannot solve.',
+          'Please report this to the package author.'
+        ].join('\n')
+      ])
+      break
+
+    case 'EBADPLATFORM':
+      var validOs = er.os.join ? er.os.join(',') : er.os
+      var validArch = er.cpu.join ? er.cpu.join(',') : er.cpu
+      var expected = {os: validOs, arch: validArch}
+      var actual = {os: process.platform, arch: process.arch}
+      short.push([
+        'notsup',
+        [
+          util.format('Unsupported platform for %s: wanted %j (current: %j)', er.pkgid, expected, actual)
+        ].join('\n')
+      ])
+      detail.push([
+        'notsup',
+        [
+          'Valid OS:    ' + validOs,
+          'Valid Arch:  ' + validArch,
+          'Actual OS:   ' + process.platform,
+          'Actual Arch: ' + process.arch
+        ].join('\n')
+      ])
+      break
+
+    case 'EEXIST':
+      short.push(['', er.message])
+      short.push(['', 'File exists: ' + er.path])
+      detail.push(['', 'Move it away, and try again.'])
+      break
+
+    case 'ENEEDAUTH':
+      short.push(['need auth', er.message])
+      detail.push(['need auth', 'You need to authorize this machine using `npm adduser`'])
+      break
+
+    case 'ECONNRESET':
+    case 'ENOTFOUND':
+    case 'ETIMEDOUT':
+    case 'EAI_FAIL':
+      short.push(['network', er.message])
+      detail.push([
+        'network',
+        [
+          'This is a problem related to network connectivity.',
+          'In most cases you are behind a proxy or have bad network settings.',
+          '\nIf you are behind a proxy, please make sure that the',
+          "'proxy' config is set properly.  See: 'npm help config'"
+        ].join('\n')
+      ])
+      break
+
+    case 'ENOPACKAGEJSON':
+      short.push(['package.json', er.message])
+      detail.push([
+        'package.json',
+        [
+          "npm can't find a package.json file in your current directory."
+        ].join('\n')
+      ])
+      break
+
+    case 'ETARGET':
+      short.push(['notarget', er.message])
+      msg = [
+        'In most cases you or one of your dependencies are requesting',
+        "a package version that doesn't exist."
+      ]
+      if (er.parent) {
+        msg.push("\nIt was specified as a dependency of '" + er.parent + "'\n")
+      }
+      detail.push(['notarget', msg.join('\n')])
+      break
+
+    case 'ENOTSUP':
+      if (er.required) {
+        short.push(['notsup', er.message])
+        short.push(['notsup', 'Not compatible with your version of node/npm: ' + er.pkgid])
+        detail.push([
+          'notsup',
+          [
+            'Not compatible with your version of node/npm: ' + er.pkgid,
+            'Required: ' + JSON.stringify(er.required),
+            'Actual:   ' + JSON.stringify({
+              npm: npm.version,
+              node: npm.config.get('node-version')
+            })
+          ].join('\n')
+        ])
+        break
+      } // else passthrough
+      /* eslint no-fallthrough:0 */
+
+    case 'ENOSPC':
+      short.push(['nospc', er.message])
+      detail.push([
+        'nospc',
+        [
+          'There appears to be insufficient space on your system to finish.',
+          'Clear up some disk space and try again.'
+        ].join('\n')
+      ])
+      break
+
+    case 'EROFS':
+      short.push(['rofs', er.message])
+      detail.push([
+        'rofs',
+        [
+          'Often virtualized file systems, or other file systems',
+          "that don't support symlinks, give this error."
+        ].join('\n')
+      ])
+      break
+
+    case 'ENOENT':
+      short.push(['enoent', er.message])
+      detail.push([
+        'enoent',
+        [
+          'This is related to npm not being able to find a file.',
+          er.file ? "\nCheck if the file '" + er.file + "' is present." : ''
+        ].join('\n')
+      ])
+      break
+
+    case 'EMISSINGARG':
+    case 'EUNKNOWNTYPE':
+    case 'EINVALIDTYPE':
+    case 'ETOOMANYARGS':
+      short.push(['typeerror', er.stack])
+      detail.push([
+        'typeerror',
+        [
+          'This is an error with npm itself. Please report this error at:',
+          '    <https://npm.community>'
+        ].join('\n')
+      ])
+      break
+
+    default:
+      short.push(['', er.message || er])
+      break
+  }
+  if (er.optional) {
+    short.unshift(['optional', er.optional + ' (' + er.location + '):'])
+    short.concat(detail).forEach(function (msg) {
+      if (!msg[0]) msg[0] = 'optional'
+      if (msg[1]) msg[1] = msg[1].toString().replace(/(^|\n)/g, '$1SKIPPING OPTIONAL DEPENDENCY: ')
+    })
+  }
+  return {summary: short, detail: detail}
+}
diff --git a/deps/node/deps/npm/lib/utils/escape-arg.js b/deps/node/deps/npm/lib/utils/escape-arg.js
new file mode 100644
index 00000000..d12ee5ed
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/escape-arg.js
@@ -0,0 +1,27 @@
+'use strict'
+var path = require('path')
+var isWindowsShell = require('./is-windows-shell.js')
+
+/*
+Escape the name of an executable suitable for passing to the system shell.
+
+Windows is easy, wrap in double quotes and you're done, as there's no
+facility to create files with quotes in their names.
+
+Unix-likes are a little more complicated, wrap in single quotes and escape
+any single quotes in the filename.
+*/
+
+module.exports = escapify
+
+function escapify (str) {
+  if (isWindowsShell) {
+    return '"' + path.normalize(str) + '"'
+  } else {
+    if (/[^-_.~/\w]/.test(str)) {
+      return "'" + str.replace(/'/g, "'\"'\"'") + "'"
+    } else {
+      return str
+    }
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/escape-exec-path.js b/deps/node/deps/npm/lib/utils/escape-exec-path.js
new file mode 100644
index 00000000..bf94886e
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/escape-exec-path.js
@@ -0,0 +1,30 @@
+'use strict'
+var path = require('path')
+var isWindowsShell = require('./is-windows-shell.js')
+
+/*
+Escape the name of an executable suitable for passing to the system shell.
+
+Windows is easy, wrap in double quotes and you're done, as there's no
+facility to create files with quotes in their names.
+
+Unix-likes are a little more complicated, wrap in single quotes and escape
+any single quotes in the filename.
+*/
+
+module.exports = escapify
+
+function windowsQuotes (str) {
+  if (!/ /.test(str)) return str
+  return '"' + str + '"'
+}
+
+function escapify (str) {
+  if (isWindowsShell) {
+    return path.normalize(str).split(/\\/).map(windowsQuotes).join('\\')
+  } else if (/[^-_.~/\w]/.test(str)) {
+    return "'" + str.replace(/'/g, "'\"'\"'") + "'"
+  } else {
+    return str
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/gently-rm.js b/deps/node/deps/npm/lib/utils/gently-rm.js
new file mode 100644
index 00000000..16d0aa9b
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/gently-rm.js
@@ -0,0 +1,21 @@
+// only remove the thing if it's a symlink into a specific folder. This is
+// a very common use-case of npm's, but not so common elsewhere.
+
+exports = module.exports = gentlyRm
+
+var gentleFS = require('gentle-fs')
+var gentleFSOpts = require('../config/gentle-fs.js')
+
+function gentlyRm (target, gently, base, cb) {
+  if (!cb) {
+    cb = base
+    base = undefined
+  }
+
+  if (!cb) {
+    cb = gently
+    gently = false
+  }
+
+  return gentleFS.rm(target, gentleFSOpts(gently, base), cb)
+}
diff --git a/deps/node/deps/npm/lib/utils/git.js b/deps/node/deps/npm/lib/utils/git.js
new file mode 100644
index 00000000..6770853d
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/git.js
@@ -0,0 +1,50 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const exec = require('child_process').execFile
+const spawn = require('./spawn')
+const npm = require('../npm.js')
+const which = require('which')
+const git = npm.config.get('git')
+const assert = require('assert')
+const log = require('npmlog')
+const noProgressTillDone = require('./no-progress-while-running.js').tillDone
+
+exports.spawn = spawnGit
+exports.exec = BB.promisify(execGit)
+exports.chainableExec = chainableExec
+exports.whichAndExec = whichAndExec
+
+function prefixGitArgs () {
+  return process.platform === 'win32' ? ['-c', 'core.longpaths=true'] : []
+}
+
+function execGit (args, options, cb) {
+  log.info('git', args)
+  const fullArgs = prefixGitArgs().concat(args || [])
+  return exec(git, fullArgs, options, noProgressTillDone(cb))
+}
+
+function spawnGit (args, options) {
+  log.info('git', args)
+  return spawn(git, prefixGitArgs().concat(args || []), options)
+}
+
+function chainableExec () {
+  var args = Array.prototype.slice.call(arguments)
+  return [execGit].concat(args)
+}
+
+function whichAndExec (args, options, cb) {
+  assert.equal(typeof cb, 'function', 'no callback provided')
+  // check for git
+  which(git, function (err) {
+    if (err) {
+      err.code = 'ENOGIT'
+      return cb(err)
+    }
+
+    execGit(args, options, cb)
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/gunzip-maybe.js b/deps/node/deps/npm/lib/utils/gunzip-maybe.js
new file mode 100644
index 00000000..adf7e440
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/gunzip-maybe.js
@@ -0,0 +1,22 @@
+var duplex = require('mississippi').duplex
+var through = require('mississippi').through
+var zlib = require('zlib')
+
+function hasGzipHeader (c) {
+  return c[0] === 0x1F && c[1] === 0x8B && c[2] === 0x08
+}
+
+module.exports = gunzip
+function gunzip () {
+  var stream = duplex()
+  var peeker = through(function (chunk, enc, cb) {
+    var newStream = hasGzipHeader(chunk)
+      ? zlib.createGunzip()
+      : through()
+    stream.setReadable(newStream)
+    stream.setWritable(newStream)
+    stream.write(chunk)
+  })
+  stream.setWritable(peeker)
+  return stream
+}
diff --git a/deps/node/deps/npm/lib/utils/is-registry.js b/deps/node/deps/npm/lib/utils/is-registry.js
new file mode 100644
index 00000000..e5f08e16
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/is-registry.js
@@ -0,0 +1,11 @@
+'use strict'
+module.exports = isRegistry
+
+function isRegistry (req) {
+  if (req == null) return false
+  // modern metadata
+  if ('registry' in req) return req.registry
+  // legacy metadata
+  if (req.type === 'range' || req.type === 'version' || req.type === 'tag') return true
+  return false
+}
diff --git a/deps/node/deps/npm/lib/utils/is-windows-bash.js b/deps/node/deps/npm/lib/utils/is-windows-bash.js
new file mode 100644
index 00000000..0a6c1796
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/is-windows-bash.js
@@ -0,0 +1,4 @@
+'use strict'
+var isWindows = require('./is-windows.js')
+module.exports = isWindows &&
+  (/^MINGW(32|64)$/.test(process.env.MSYSTEM) || process.env.TERM === 'cygwin')
diff --git a/deps/node/deps/npm/lib/utils/is-windows-shell.js b/deps/node/deps/npm/lib/utils/is-windows-shell.js
new file mode 100644
index 00000000..803bbaa4
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/is-windows-shell.js
@@ -0,0 +1,4 @@
+'use strict'
+var isWindows = require('./is-windows.js')
+var isWindowsBash = require('./is-windows-bash.js')
+module.exports = isWindows && !isWindowsBash
diff --git a/deps/node/deps/npm/lib/utils/is-windows.js b/deps/node/deps/npm/lib/utils/is-windows.js
new file mode 100644
index 00000000..8a991d54
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/is-windows.js
@@ -0,0 +1,2 @@
+'use strict'
+module.exports = process.platform === 'win32'
diff --git a/deps/node/deps/npm/lib/utils/lifecycle-cmd.js b/deps/node/deps/npm/lib/utils/lifecycle-cmd.js
new file mode 100644
index 00000000..bb802f45
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/lifecycle-cmd.js
@@ -0,0 +1,18 @@
+exports = module.exports = cmd
+
+var npm = require('../npm.js')
+var usage = require('./usage.js')
+
+function cmd (stage) {
+  function CMD (args, cb) {
+    npm.commands['run-script']([stage].concat(args), cb)
+  }
+  CMD.usage = usage(stage, 'npm ' + stage + ' [-- <args>]')
+  var installedShallow = require('./completion/installed-shallow.js')
+  CMD.completion = function (opts, cb) {
+    installedShallow(opts, function (d) {
+      return d.scripts && d.scripts[stage]
+    }, cb)
+  }
+  return CMD
+}
diff --git a/deps/node/deps/npm/lib/utils/lifecycle.js b/deps/node/deps/npm/lib/utils/lifecycle.js
new file mode 100644
index 00000000..2d3265e0
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/lifecycle.js
@@ -0,0 +1,14 @@
+exports = module.exports = runLifecycle
+
+const lifecycleOpts = require('../config/lifecycle')
+const lifecycle = require('npm-lifecycle')
+
+function runLifecycle (pkg, stage, wd, moreOpts, cb) {
+  if (typeof moreOpts === 'function') {
+    cb = moreOpts
+    moreOpts = null
+  }
+
+  const opts = lifecycleOpts(moreOpts)
+  lifecycle(pkg, stage, wd, opts).then(cb, cb)
+}
diff --git a/deps/node/deps/npm/lib/utils/link.js b/deps/node/deps/npm/lib/utils/link.js
new file mode 100644
index 00000000..c2642481
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/link.js
@@ -0,0 +1,8 @@
+module.exports = link
+
+var gentleFS = require('gentle-fs')
+var gentleFSOpts = require('../config/gentle-fs.js')
+
+function link (from, to, gently, abs, cb) {
+  return gentleFS.link(from, to, gentleFSOpts(gently, undefined, abs), cb)
+}
diff --git a/deps/node/deps/npm/lib/utils/locker.js b/deps/node/deps/npm/lib/utils/locker.js
new file mode 100644
index 00000000..9cd8b2c4
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/locker.js
@@ -0,0 +1,73 @@
+var crypto = require('crypto')
+var resolve = require('path').resolve
+
+var lockfile = require('lockfile')
+var log = require('npmlog')
+
+var npm = require('../npm.js')
+var correctMkdir = require('../utils/correct-mkdir.js')
+
+var installLocks = {}
+
+function lockFileName (base, name) {
+  var c = name.replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-+|-+$/g, '')
+  var p = resolve(base, name)
+  var h = crypto.createHash('sha1').update(p).digest('hex')
+  var l = resolve(npm.cache, '_locks')
+
+  return resolve(l, c.substr(0, 24) + '-' + h.substr(0, 16) + '.lock')
+}
+
+function lock (base, name, cb) {
+  var lockDir = resolve(npm.cache, '_locks')
+  correctMkdir(lockDir, function (er) {
+    if (er) return cb(er)
+
+    var opts = {
+      stale: npm.config.get('cache-lock-stale'),
+      retries: npm.config.get('cache-lock-retries'),
+      wait: npm.config.get('cache-lock-wait')
+    }
+    var lf = lockFileName(base, name)
+    lockfile.lock(lf, opts, function (er) {
+      if (er) log.warn('locking', lf, 'failed', er)
+
+      if (!er) {
+        log.verbose('lock', 'using', lf, 'for', resolve(base, name))
+        installLocks[lf] = true
+      }
+
+      cb(er)
+    })
+  })
+}
+
+function unlock (base, name, cb) {
+  var lf = lockFileName(base, name)
+  var locked = installLocks[lf]
+  if (locked === false) {
+    return process.nextTick(cb)
+  } else if (locked === true) {
+    lockfile.unlock(lf, function (er) {
+      if (er) {
+        log.warn('unlocking', lf, 'failed', er)
+      } else {
+        installLocks[lf] = false
+        log.verbose('unlock', 'done using', lf, 'for', resolve(base, name))
+      }
+
+      cb(er)
+    })
+  } else {
+    var notLocked = new Error(
+      'Attempt to unlock ' + resolve(base, name) + ", which hasn't been locked"
+    )
+    notLocked.code = 'ENOTLOCKED'
+    throw notLocked
+  }
+}
+
+module.exports = {
+  lock: lock,
+  unlock: unlock
+}
diff --git a/deps/node/deps/npm/lib/utils/metrics-launch.js b/deps/node/deps/npm/lib/utils/metrics-launch.js
new file mode 100644
index 00000000..7e2a8d1c
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/metrics-launch.js
@@ -0,0 +1,40 @@
+'use strict'
+/* eslint-disable camelcase */
+module.exports = launchSendMetrics
+var fs = require('graceful-fs')
+var child_process = require('child_process')
+
+if (require.main === module) main()
+
+function launchSendMetrics () {
+  var path = require('path')
+  var npm = require('../npm.js')
+  try {
+    if (!npm.config.get('send-metrics')) return
+    var cliMetrics = path.join(npm.config.get('cache'), 'anonymous-cli-metrics.json')
+    var targetRegistry = npm.config.get('metrics-registry')
+    fs.statSync(cliMetrics)
+    return runInBackground(__filename, [cliMetrics, targetRegistry])
+  } catch (ex) {
+    // if the metrics file doesn't exist, don't run
+  }
+}
+
+function runInBackground (js, args, opts) {
+  if (!args) args = []
+  args.unshift(js)
+  if (!opts) opts = {}
+  opts.stdio = 'ignore'
+  opts.detached = true
+  var child = child_process.spawn(process.execPath, args, opts)
+  child.unref()
+  return child
+}
+
+function main () {
+  var sendMetrics = require('./metrics.js').send
+  var metricsFile = process.argv[2]
+  var metricsRegistry = process.argv[3]
+
+  sendMetrics(metricsFile, metricsRegistry)
+}
diff --git a/deps/node/deps/npm/lib/utils/metrics.js b/deps/node/deps/npm/lib/utils/metrics.js
new file mode 100644
index 00000000..0f99c841
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/metrics.js
@@ -0,0 +1,77 @@
+'use strict'
+exports.start = startMetrics
+exports.stop = stopMetrics
+exports.save = saveMetrics
+exports.send = sendMetrics
+
+const fs = require('fs')
+const path = require('path')
+const npm = require('../npm.js')
+const regFetch = require('libnpm/fetch')
+const uuid = require('uuid')
+
+let inMetrics = false
+
+function startMetrics () {
+  if (inMetrics) return
+  // loaded on demand to avoid any recursive deps when `./metrics-launch` requires us.
+  var metricsLaunch = require('./metrics-launch.js')
+  npm.metricsProcess = metricsLaunch()
+}
+
+function stopMetrics () {
+  if (inMetrics) return
+  if (npm.metricsProcess) npm.metricsProcess.kill('SIGKILL')
+}
+
+function saveMetrics (itWorked) {
+  if (inMetrics) return
+  // If the metrics reporter hasn't managed to PUT yet then kill it so that it doesn't
+  // step on our updating the anonymous-cli-metrics json
+  stopMetrics()
+  var metricsFile = path.join(npm.config.get('cache'), 'anonymous-cli-metrics.json')
+  var metrics
+  try {
+    metrics = JSON.parse(fs.readFileSync(metricsFile))
+    metrics.metrics.to = new Date().toISOString()
+    if (itWorked) {
+      ++metrics.metrics.successfulInstalls
+    } else {
+      ++metrics.metrics.failedInstalls
+    }
+  } catch (ex) {
+    metrics = {
+      metricId: uuid.v4(),
+      metrics: {
+        from: new Date().toISOString(),
+        to: new Date().toISOString(),
+        successfulInstalls: itWorked ? 1 : 0,
+        failedInstalls: itWorked ? 0 : 1
+      }
+    }
+  }
+  try {
+    fs.writeFileSync(metricsFile, JSON.stringify(metrics))
+  } catch (ex) {
+    // we couldn't write the error metrics file, um, well, oh well.
+  }
+}
+
+function sendMetrics (metricsFile, metricsRegistry) {
+  inMetrics = true
+  var cliMetrics = JSON.parse(fs.readFileSync(metricsFile))
+  regFetch(
+    `/-/npm/anon-metrics/v1/${encodeURIComponent(cliMetrics.metricId)}`,
+    // NOTE: skip npmConfig() to prevent auth
+    {
+      registry: metricsRegistry,
+      method: 'PUT',
+      body: cliMetrics.metrics,
+      retry: false
+    }
+  ).then(() => {
+    fs.unlinkSync(metricsFile)
+  }, err => {
+    fs.writeFileSync(path.join(path.dirname(metricsFile), 'last-send-metrics-error.txt'), err.stack)
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/module-name.js b/deps/node/deps/npm/lib/utils/module-name.js
new file mode 100644
index 00000000..89957b18
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/module-name.js
@@ -0,0 +1,31 @@
+'use strict'
+var path = require('path')
+
+module.exports = moduleName
+module.exports.test = {}
+
+module.exports.test.pathToPackageName = pathToPackageName
+function pathToPackageName (dir) {
+  if (dir == null) return ''
+  if (dir === '') return ''
+  var name = path.relative(path.resolve(dir, '..'), dir)
+  var scoped = path.relative(path.resolve(dir, '../..'), dir)
+  if (scoped[0] === '@') return scoped.replace(/\\/g, '/')
+  return name.trim()
+}
+
+module.exports.test.isNotEmpty = isNotEmpty
+function isNotEmpty (str) {
+  return str != null && str !== ''
+}
+
+var unknown = 0
+function moduleName (tree) {
+  var pkg = tree.package || tree
+  if (isNotEmpty(pkg.name) && typeof pkg.name === 'string') return pkg.name.trim()
+  var pkgName = pathToPackageName(tree.path)
+  if (pkgName !== '') return pkgName
+  if (tree._invalidName != null) return tree._invalidName
+  tree._invalidName = '!invalid#' + (++unknown)
+  return tree._invalidName
+}
diff --git a/deps/node/deps/npm/lib/utils/move.js b/deps/node/deps/npm/lib/utils/move.js
new file mode 100644
index 00000000..d564962c
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/move.js
@@ -0,0 +1,12 @@
+'use strict'
+module.exports = wrappedMove
+
+const fs = require('graceful-fs')
+const move = require('move-concurrently')
+const Bluebird = require('bluebird')
+
+const options = {fs: fs, Promise: Bluebird, maxConcurrency: 4}
+
+function wrappedMove (from, to) {
+  return move(from, to, options)
+}
diff --git a/deps/node/deps/npm/lib/utils/no-progress-while-running.js b/deps/node/deps/npm/lib/utils/no-progress-while-running.js
new file mode 100644
index 00000000..961fa8b5
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/no-progress-while-running.js
@@ -0,0 +1,23 @@
+'use strict'
+var log = require('npmlog')
+var progressEnabled
+var running = 0
+
+var startRunning = exports.startRunning = function () {
+  if (progressEnabled == null) progressEnabled = log.progressEnabled
+  if (progressEnabled) log.disableProgress()
+  ++running
+}
+
+var stopRunning = exports.stopRunning = function () {
+  --running
+  if (progressEnabled && running === 0) log.enableProgress()
+}
+
+exports.tillDone = function noProgressTillDone (cb) {
+  startRunning()
+  return function () {
+    stopRunning()
+    cb.apply(this, arguments)
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/open-url.js b/deps/node/deps/npm/lib/utils/open-url.js
new file mode 100644
index 00000000..7a48d2e8
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/open-url.js
@@ -0,0 +1,16 @@
+'use strict'
+const npm = require('../npm.js')
+const output = require('./output.js')
+const opener = require('opener')
+
+// attempt to open URL in web-browser, print address otherwise:
+module.exports = function open (url, errMsg, cb, browser = npm.config.get('browser')) {
+  opener(url, { command: npm.config.get('browser') }, (er) => {
+    if (er && er.code === 'ENOENT') {
+      output(`${errMsg}:\n\n${url}`)
+      return cb()
+    } else {
+      return cb(er)
+    }
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/otplease.js b/deps/node/deps/npm/lib/utils/otplease.js
new file mode 100644
index 00000000..d0477a89
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/otplease.js
@@ -0,0 +1,27 @@
+'use strict'
+
+const BB = require('bluebird')
+
+const optCheck = require('figgy-pudding')({
+  prompt: {default: 'This operation requires a one-time password.\nEnter OTP:'},
+  otp: {}
+})
+const readUserInfo = require('./read-user-info.js')
+
+module.exports = otplease
+function otplease (opts, fn) {
+  opts = opts.concat ? opts : optCheck(opts)
+  return BB.try(() => {
+    return fn(opts)
+  }).catch(err => {
+    if (err.code !== 'EOTP' && !(err.code === 'E401' && /one-time pass/.test(err.body))) {
+      throw err
+    } else if (!process.stdin.isTTY || !process.stdout.isTTY) {
+      throw err
+    } else {
+      return readUserInfo.otp(
+        optCheck(opts).prompt
+      ).then(otp => fn(opts.concat({otp})))
+    }
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/output.js b/deps/node/deps/npm/lib/utils/output.js
new file mode 100644
index 00000000..3dd66cbd
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/output.js
@@ -0,0 +1,8 @@
+'use strict'
+var log = require('npmlog')
+// output to stdout in a progress bar compatible way
+module.exports = function () {
+  log.clearProgress()
+  console.log.apply(console, arguments)
+  log.showProgress()
+}
diff --git a/deps/node/deps/npm/lib/utils/package-id.js b/deps/node/deps/npm/lib/utils/package-id.js
new file mode 100644
index 00000000..2c5e3314
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/package-id.js
@@ -0,0 +1,15 @@
+'use strict'
+var moduleName = require('./module-name.js')
+
+module.exports = function (tree) {
+  var pkg = tree.package || tree
+  // FIXME: Excluding the '@' here is cleaning up after the mess that
+  // read-package-json makes. =(
+  if (pkg._id && pkg._id !== '@') return pkg._id
+  var name = moduleName(tree)
+  if (pkg.version) {
+    return name + '@' + pkg.version
+  } else {
+    return name
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/parse-json.js b/deps/node/deps/npm/lib/utils/parse-json.js
new file mode 100644
index 00000000..c2ebac35
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/parse-json.js
@@ -0,0 +1,25 @@
+'use strict'
+var parseJsonWithErrors = require('json-parse-better-errors')
+var parseJSON = module.exports = function (content) {
+  return parseJsonWithErrors(stripBOM(content))
+}
+
+parseJSON.noExceptions = function (content) {
+  try {
+    return parseJSON(content)
+  } catch (ex) {
+
+  }
+}
+
+// from read-package-json
+function stripBOM (content) {
+  content = content.toString()
+  // Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
+  // because the buffer-to-string conversion in `fs.readFileSync()`
+  // translates it to FEFF, the UTF-16 BOM.
+  if (content.charCodeAt(0) === 0xFEFF) {
+    content = content.slice(1)
+  }
+  return content
+}
diff --git a/deps/node/deps/npm/lib/utils/perf.js b/deps/node/deps/npm/lib/utils/perf.js
new file mode 100644
index 00000000..d3148607
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/perf.js
@@ -0,0 +1,26 @@
+'use strict'
+var log = require('npmlog')
+var EventEmitter = require('events').EventEmitter
+var perf = new EventEmitter()
+module.exports = perf
+
+var timings = {}
+
+process.on('time', time)
+process.on('timeEnd', timeEnd)
+
+perf.on('time', time)
+perf.on('timeEnd', timeEnd)
+
+function time (name) {
+  timings[name] = Date.now()
+}
+
+function timeEnd (name) {
+  if (name in timings) {
+    perf.emit('timing', name, Date.now() - timings[name])
+    delete timings[name]
+  } else {
+    log.silly('timing', "Tried to end timer that doesn't exist:", name)
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/pick-manifest-from-registry-metadata.js b/deps/node/deps/npm/lib/utils/pick-manifest-from-registry-metadata.js
new file mode 100644
index 00000000..589cef20
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/pick-manifest-from-registry-metadata.js
@@ -0,0 +1,26 @@
+'use strict'
+module.exports = pickManifestFromRegistryMetadata
+
+var log = require('npmlog')
+var semver = require('semver')
+
+function pickManifestFromRegistryMetadata (spec, tag, versions, metadata) {
+  log.silly('pickManifestFromRegistryMetadata', 'spec', spec, 'tag', tag, 'versions', versions)
+
+  // if the tagged version satisfies, then use that.
+  var tagged = metadata['dist-tags'][tag]
+  if (tagged &&
+      metadata.versions[tagged] &&
+      semver.satisfies(tagged, spec, true)) {
+    return {resolvedTo: tag, manifest: metadata.versions[tagged]}
+  }
+  // find the max satisfying version.
+  var ms = semver.maxSatisfying(versions, spec, true)
+  if (ms) {
+    return {resolvedTo: ms, manifest: metadata.versions[ms]}
+  } else if (spec === '*' && versions.length && tagged && metadata.versions[tagged]) {
+    return {resolvedTo: tag, manifest: metadata.versions[tagged]}
+  } else {
+
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/pulse-till-done.js b/deps/node/deps/npm/lib/utils/pulse-till-done.js
new file mode 100644
index 00000000..b292c2fa
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/pulse-till-done.js
@@ -0,0 +1,38 @@
+'use strict'
+const validate = require('aproba')
+const log = require('npmlog')
+const Bluebird = require('bluebird')
+
+let pulsers = 0
+let pulse
+
+function pulseStart (prefix) {
+  if (++pulsers > 1) return
+  pulse = setInterval(function () {
+    log.gauge.pulse(prefix)
+  }, 150)
+}
+function pulseStop () {
+  if (--pulsers > 0) return
+  clearInterval(pulse)
+}
+
+module.exports = function (prefix, cb) {
+  validate('SF', [prefix, cb])
+  if (!prefix) prefix = 'network'
+  pulseStart(prefix)
+  return function () {
+    pulseStop()
+    cb.apply(null, arguments)
+  }
+}
+module.exports.withPromise = pulseWhile
+
+function pulseWhile (prefix, promise) {
+  if (!promise) {
+    promise = prefix
+    prefix = ''
+  }
+  pulseStart(prefix)
+  return Bluebird.resolve(promise).finally(() => pulseStop())
+}
diff --git a/deps/node/deps/npm/lib/utils/read-local-package.js b/deps/node/deps/npm/lib/utils/read-local-package.js
new file mode 100644
index 00000000..27ca7b4e
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/read-local-package.js
@@ -0,0 +1,12 @@
+exports = module.exports = readLocalPkg
+
+var npm = require('../npm.js')
+var readJson = require('read-package-json')
+
+function readLocalPkg (cb) {
+  if (npm.config.get('global')) return cb()
+  var path = require('path')
+  readJson(path.resolve(npm.prefix, 'package.json'), function (er, d) {
+    return cb(er, d && d.name)
+  })
+}
diff --git a/deps/node/deps/npm/lib/utils/read-user-info.js b/deps/node/deps/npm/lib/utils/read-user-info.js
new file mode 100644
index 00000000..1e8c86a5
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/read-user-info.js
@@ -0,0 +1,73 @@
+'use strict'
+const Bluebird = require('bluebird')
+const readAsync = Bluebird.promisify(require('read'))
+const userValidate = require('npm-user-validate')
+const log = require('npmlog')
+
+exports.otp = readOTP
+exports.password = readPassword
+exports.username = readUsername
+exports.email = readEmail
+
+function read (opts) {
+  return Bluebird.try(() => {
+    log.clearProgress()
+    return readAsync(opts)
+  }).finally(() => {
+    log.showProgress()
+  })
+}
+
+function readOTP (msg, otp, isRetry) {
+  if (!msg) {
+    msg = [
+      'This command requires a one-time password (OTP) from your authenticator app.',
+      'Enter one below. You can also pass one on the command line by appending --otp=123456.',
+      'For more information, see:',
+      'https://docs.npmjs.com/getting-started/using-two-factor-authentication',
+      'Enter OTP: '
+    ].join('\n')
+  }
+  if (isRetry && otp && /^[\d ]+$|^[A-Fa-f0-9]{64,64}$/.test(otp)) return otp.replace(/\s+/g, '')
+
+  return read({prompt: msg, default: otp || ''})
+    .then((otp) => readOTP(msg, otp, true))
+}
+
+function readPassword (msg, password, isRetry) {
+  if (!msg) msg = 'npm password: '
+  if (isRetry && password) return password
+
+  return read({prompt: msg, silent: true, default: password || ''})
+    .then((password) => readPassword(msg, password, true))
+}
+
+function readUsername (msg, username, opts, isRetry) {
+  if (!msg) msg = 'npm username: '
+  if (isRetry && username) {
+    const error = userValidate.username(username)
+    if (error) {
+      opts.log && opts.log.warn(error.message)
+    } else {
+      return Promise.resolve(username.trim())
+    }
+  }
+
+  return read({prompt: msg, default: username || ''})
+    .then((username) => readUsername(msg, username, opts, true))
+}
+
+function readEmail (msg, email, opts, isRetry) {
+  if (!msg) msg = 'email (this IS public): '
+  if (isRetry && email) {
+    const error = userValidate.email(email)
+    if (error) {
+      opts.log && opts.log.warn(error.message)
+    } else {
+      return email.trim()
+    }
+  }
+
+  return read({prompt: msg, default: email || ''})
+    .then((username) => readEmail(msg, username, opts, true))
+}
diff --git a/deps/node/deps/npm/lib/utils/save-stack.js b/deps/node/deps/npm/lib/utils/save-stack.js
new file mode 100644
index 00000000..42c4aab5
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/save-stack.js
@@ -0,0 +1,16 @@
+'use strict'
+var inherits = require('inherits')
+
+module.exports = SaveStack
+
+function SaveStack (fn) {
+  Error.call(this)
+  Error.captureStackTrace(this, fn || SaveStack)
+}
+inherits(SaveStack, Error)
+
+SaveStack.prototype.completeWith = function (er) {
+  this['__' + 'proto' + '__'] = er
+  this.stack = this.stack + '\n\n' + er.stack
+  return this
+}
diff --git a/deps/node/deps/npm/lib/utils/spawn.js b/deps/node/deps/npm/lib/utils/spawn.js
new file mode 100644
index 00000000..b164a6ac
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/spawn.js
@@ -0,0 +1,50 @@
+module.exports = spawn
+
+var _spawn = require('child_process').spawn
+var EventEmitter = require('events').EventEmitter
+var npwr = require('./no-progress-while-running.js')
+
+function willCmdOutput (stdio) {
+  if (stdio === 'inherit') return true
+  if (!Array.isArray(stdio)) return false
+  for (var fh = 1; fh <= 2; ++fh) {
+    if (stdio[fh] === 'inherit') return true
+    if (stdio[fh] === 1 || stdio[fh] === 2) return true
+  }
+  return false
+}
+
+function spawn (cmd, args, options) {
+  var cmdWillOutput = willCmdOutput(options && options.stdio)
+
+  if (cmdWillOutput) npwr.startRunning()
+  var raw = _spawn(cmd, args, options)
+  var cooked = new EventEmitter()
+
+  raw.on('error', function (er) {
+    if (cmdWillOutput) npwr.stopRunning()
+    er.file = cmd
+    cooked.emit('error', er)
+  }).on('close', function (code, signal) {
+    if (cmdWillOutput) npwr.stopRunning()
+    // Create ENOENT error because Node.js v0.8 will not emit
+    // an `error` event if the command could not be found.
+    if (code === 127) {
+      var er = new Error('spawn ENOENT')
+      er.code = 'ENOENT'
+      er.errno = 'ENOENT'
+      er.syscall = 'spawn'
+      er.file = cmd
+      cooked.emit('error', er)
+    } else {
+      cooked.emit('close', code, signal)
+    }
+  })
+
+  cooked.stdin = raw.stdin
+  cooked.stdout = raw.stdout
+  cooked.stderr = raw.stderr
+  cooked.kill = function (sig) { return raw.kill(sig) }
+
+  return cooked
+}
diff --git a/deps/node/deps/npm/lib/utils/temp-filename.js b/deps/node/deps/npm/lib/utils/temp-filename.js
new file mode 100644
index 00000000..6b8245e8
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/temp-filename.js
@@ -0,0 +1,7 @@
+'use strict'
+var uniqueFilename = require('unique-filename')
+var npm = require('../npm.js')
+
+module.exports = function (prefix) {
+  return uniqueFilename(npm.tmp, prefix)
+}
diff --git a/deps/node/deps/npm/lib/utils/umask.js b/deps/node/deps/npm/lib/utils/umask.js
new file mode 100644
index 00000000..2dde1bef
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/umask.js
@@ -0,0 +1,17 @@
+var umask = require('umask')
+var npmlog = require('npmlog')
+var _fromString = umask.fromString
+
+module.exports = umask
+
+// fromString with logging callback
+umask.fromString = function (val) {
+  _fromString(val, function (err, result) {
+    if (err) {
+      npmlog.warn('invalid umask', err.message)
+    }
+    val = result
+  })
+
+  return val
+}
diff --git a/deps/node/deps/npm/lib/utils/unix-format-path.js b/deps/node/deps/npm/lib/utils/unix-format-path.js
new file mode 100644
index 00000000..a82cd713
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/unix-format-path.js
@@ -0,0 +1,5 @@
+'use strict'
+
+module.exports = function (path) {
+  return path.replace(/\\/g, '/')
+}
diff --git a/deps/node/deps/npm/lib/utils/unsupported.js b/deps/node/deps/npm/lib/utils/unsupported.js
new file mode 100644
index 00000000..bfed5cdb
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/unsupported.js
@@ -0,0 +1,53 @@
+'use strict'
+var semver = require('semver')
+var supportedNode = [
+  {ver: '6', min: '6.0.0'},
+  {ver: '8', min: '8.0.0'},
+  {ver: '9', min: '9.0.0'},
+  {ver: '10', min: '10.0.0'},
+  {ver: '11', min: '11.0.0'},
+  {ver: '12', min: '12.0.0'}
+]
+var knownBroken = '<4.7.0'
+
+var checkVersion = exports.checkVersion = function (version) {
+  var versionNoPrerelease = version.replace(/-.*$/, '')
+  return {
+    version: versionNoPrerelease,
+    broken: semver.satisfies(versionNoPrerelease, knownBroken),
+    unsupported: !semver.satisfies(versionNoPrerelease, supportedNode.map(function (n) { return '^' + n.min }).join('||'))
+  }
+}
+
+exports.checkForBrokenNode = function () {
+  var nodejs = checkVersion(process.version)
+  if (nodejs.broken) {
+    console.error('ERROR: npm is known not to run on Node.js ' + process.version)
+    supportedNode.forEach(function (rel) {
+      if (semver.satisfies(nodejs.version, rel.ver)) {
+        console.error('Node.js ' + rel.ver + " is supported but the specific version you're running has")
+        console.error('a bug known to break npm. Please update to at least ' + rel.min + ' to use this')
+        console.error('version of npm. You can find the latest release of Node.js at https://nodejs.org/')
+        process.exit(1)
+      }
+    })
+    var supportedMajors = supportedNode.map(function (n) { return n.ver }).join(', ')
+    console.error("You'll need to upgrade to a newer version in order to use this")
+    console.error('version of npm. Supported versions are ' + supportedMajors + '. You can find the')
+    console.error('latest version at https://nodejs.org/')
+    process.exit(1)
+  }
+}
+
+exports.checkForUnsupportedNode = function () {
+  var nodejs = checkVersion(process.version)
+  if (nodejs.unsupported) {
+    var log = require('npmlog')
+    var supportedMajors = supportedNode.map(function (n) { return n.ver }).join(', ')
+    log.warn('npm', 'npm does not support Node.js ' + process.version)
+    log.warn('npm', 'You should probably upgrade to a newer version of node as we')
+    log.warn('npm', "can't make any promises that npm will work with this version.")
+    log.warn('npm', 'Supported releases of Node.js are the latest release of ' + supportedMajors + '.')
+    log.warn('npm', 'You can find the latest version at https://nodejs.org/')
+  }
+}
diff --git a/deps/node/deps/npm/lib/utils/usage.js b/deps/node/deps/npm/lib/utils/usage.js
new file mode 100644
index 00000000..ba069e64
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/usage.js
@@ -0,0 +1,27 @@
+'use strict'
+var aliases = require('../config/cmd-list').aliases
+
+module.exports = function usage (cmd, txt, opt) {
+  var post = Object.keys(aliases).reduce(function (p, c) {
+    var val = aliases[c]
+    if (val !== cmd) return p
+    return p.concat(c)
+  }, [])
+
+  if (opt || post.length > 0) txt += '\n\n'
+
+  if (post.length === 1) {
+    txt += 'alias: '
+    txt += post.join(', ')
+  } else if (post.length > 1) {
+    txt += 'aliases: '
+    txt += post.join(', ')
+  }
+
+  if (opt) {
+    if (post.length > 0) txt += '\n'
+    txt += 'common options: ' + opt
+  }
+
+  return txt
+}
diff --git a/deps/node/deps/npm/lib/utils/warn-deprecated.js b/deps/node/deps/npm/lib/utils/warn-deprecated.js
new file mode 100644
index 00000000..fe5c5ec8
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/warn-deprecated.js
@@ -0,0 +1,23 @@
+module.exports = warnDeprecated
+
+var log = require('npmlog')
+
+var deprecations = {}
+
+function warnDeprecated (type) {
+  return function warn (messages, instance) {
+    if (!instance) {
+      if (!deprecations[type]) {
+        deprecations[type] = {}
+        messages.forEach(function (m) { log.warn(type, m) })
+      }
+    } else {
+      if (!deprecations[type]) deprecations[type] = {}
+
+      if (!deprecations[type][instance]) {
+        deprecations[type][instance] = true
+        messages.forEach(function (m) { log.warn(type, m) })
+      }
+    }
+  }
+}