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?? adduser.js(3.98 KB)
?? bin.js(515 B)
?? bugs.js(857 B)
?? build.js(8.5 KB)
?? cache
?? cache.js(10.17 KB)
?? completion.js(7.06 KB)
?? config
?? config.js(8.27 KB)
?? dedupe.js(5.27 KB)
?? deprecate.js(1.4 KB)
?? dist-tag.js(3.67 KB)
?? docs.js(1.03 KB)
?? edit.js(985 B)
?? explore.js(1.63 KB)
?? fetch-package-metadata.js(11.5 KB)
?? fetch-package-metadata.md(1.76 KB)
?? get.js(235 B)
?? help-search.js(5.65 KB)
?? help.js(6.19 KB)
?? init.js(1.27 KB)
?? install
?? install-test.js(507 B)
?? install.js(25.49 KB)
?? link.js(5.55 KB)
?? logout.js(1.1 KB)
?? ls.js(13.94 KB)
?? npm.js(11.23 KB)
?? outdated.js(12.1 KB)
?? owner.js(7.55 KB)
?? pack.js(1.79 KB)
?? ping.js(556 B)
?? prefix.js(330 B)
?? prune.js(1.5 KB)
?? publish.js(5.02 KB)
?? rebuild.js(2.11 KB)
?? repo.js(1.43 KB)
?? restart.js(64 B)
?? root.js(316 B)
?? run-script.js(5.16 KB)
?? search.js(7.76 KB)
?? set.js(276 B)
?? shrinkwrap.js(6.54 KB)
?? star.js(1.17 KB)
?? stars.js(1.1 KB)
?? start.js(62 B)
?? stop.js(61 B)
?? substack.js(509 B)
?? tag.js(1.08 KB)
?? team.js(1.41 KB)
?? test.js(294 B)
?? unbuild.js(3.97 KB)
?? uninstall.js(2.31 KB)
?? unpublish.js(3.55 KB)
?? update.js(1.76 KB)
?? utils
?? version.js(7.71 KB)
?? view.js(9.12 KB)
?? visnup.js(4.01 KB)
?? whoami.js(1.42 KB)
?? xmas.js(1.57 KB)

Editing: view.js

// npm view [pkg [pkg ...]]
module.exports = view

var npm = require('./npm.js')
var readJson = require('read-package-json')
var log = require('npmlog')
var util = require('util')
var semver = require('semver')
var mapToRegistry = require('./utils/map-to-registry.js')
var npa = require('npm-package-arg')
var path = require('path')
var usage = require('./utils/usage')

view.usage = usage(
  'view',
  'npm view [<@scope>/]<pkg>[@<version>] [<field>[.subfield]...]'
)

view.completion = function (opts, cb) {
  if (opts.conf.argv.remain.length <= 2) {
    // FIXME: there used to be registry completion here, but it stopped making
    // sense somewhere around 50,000 packages on the registry
    return cb()
  }
  // have the package, get the fields.
  var tag = npm.config.get('tag')
  mapToRegistry(opts.conf.argv.remain[2], npm.config, function (er, uri, auth) {
    if (er) return cb(er)

npm.registry.get(uri, { auth: auth }, function (er, d) {
      if (er) return cb(er)
      var dv = d.versions[d['dist-tags'][tag]]
      var fields = []
      d.versions = Object.keys(d.versions).sort(semver.compareLoose)
      fields = getFields(d).concat(getFields(dv))
      cb(null, fields)
    })
  })

function getFields (d, f, pref) {
    f = f || []
    if (!d) return f
    pref = pref || []
    Object.keys(d).forEach(function (k) {
      if (k.charAt(0) === '_' || k.indexOf('.') !== -1) return
      var p = pref.concat(k).join('.')
      f.push(p)
      if (Array.isArray(d[k])) {
        d[k].forEach(function (val, i) {
          var pi = p + '[' + i + ']'
          if (val && typeof val === 'object') getFields(val, f, [p])
          else f.push(pi)
        })
        return
      }
      if (typeof d[k] === 'object') getFields(d[k], f, [p])
    })
    return f
  }
}

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

if (!args.length) args = ['.']

var pkg = args.shift()
  var nv = npa(pkg)
  var name = nv.name
  var local = (name === '.' || !name)

if (npm.config.get('global') && local) {
    return cb(new Error('Cannot use view command in global mode.'))
  }

if (local) {
    var dir = npm.prefix
    readJson(path.resolve(dir, 'package.json'), function (er, d) {
      d = d || {}
      if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
      if (!d.name) return cb(new Error('Invalid package.json'))

var p = d.name
      nv = npa(p)
      if (pkg && ~pkg.indexOf('@')) {
        nv.rawSpec = pkg.split('@')[pkg.indexOf('@')]
      }

fetchAndRead(nv, args, silent, cb)
    })
  } else {
    fetchAndRead(nv, args, silent, cb)
  }
}

function fetchAndRead (nv, args, silent, cb) {
  // get the data about this package
  var name = nv.name
  var version = nv.rawSpec || npm.config.get('tag')

mapToRegistry(name, npm.config, function (er, uri, auth) {
    if (er) return cb(er)

npm.registry.get(uri, { auth: auth }, function (er, data) {
      if (er) return cb(er)
      if (data['dist-tags'] && data['dist-tags'].hasOwnProperty(version)) {
        version = data['dist-tags'][version]
      }

if (data.time && data.time.unpublished) {
        var u = data.time.unpublished
        er = new Error('Unpublished by ' + u.name + ' on ' + u.time)
        er.statusCode = 404
        er.code = 'E404'
        er.pkgid = data._id
        return cb(er, data)
      }

var results = []
      var error = null
      var versions = data.versions || {}
      data.versions = Object.keys(versions).sort(semver.compareLoose)
      if (!args.length) args = ['']

// remove readme unless we asked for it
      if (args.indexOf('readme') === -1) {
        delete data.readme
      }

Object.keys(versions).forEach(function (v) {
        if (semver.satisfies(v, version, true)) {
          args.forEach(function (args) {
            // remove readme unless we asked for it
            if (args.indexOf('readme') !== -1) {
              delete versions[v].readme
            }
            results.push(showFields(data, versions[v], args))
          })
        }
      })
      results = results.reduce(reducer, {})
      var retval = results

if (args.length === 1 && args[0] === '') {
        retval = cleanBlanks(retval)
        log.silly('cleanup', retval)
      }

if (error || silent) cb(error, retval)
      else printData(results, data._id, cb.bind(null, error, retval))
    })
  })
}

function cleanBlanks (obj) {
  var clean = {}
  Object.keys(obj).forEach(function (version) {
    clean[version] = obj[version]['']
  })
  return clean
}

function reducer (l, r) {
  if (r) {
    Object.keys(r).forEach(function (v) {
      l[v] = l[v] || {}
      Object.keys(r[v]).forEach(function (t) {
        l[v][t] = r[v][t]
      })
    })
  }

return l
}

// return whatever was printed
function showFields (data, version, fields) {
  var o = {}
  ;[data, version].forEach(function (s) {
    Object.keys(s).forEach(function (k) {
      o[k] = s[k]
    })
  })
  return search(o, fields.split('.'), version.version, fields)
}

function search (data, fields, version, title) {
  var field
  var tail = fields
  while (!field && fields.length) field = tail.shift()
  fields = [field].concat(tail)
  var o
  if (!field && !tail.length) {
    o = {}
    o[version] = {}
    o[version][title] = data
    return o
  }
  var index = field.match(/(.+)\[([^\]]+)\]$/)
  if (index) {
    field = index[1]
    index = index[2]
    if (data.field && data.field.hasOwnProperty(index)) {
      return search(data[field][index], tail, version, title)
    } else {
      field = field + '[' + index + ']'
    }
  }
  if (Array.isArray(data)) {
    if (data.length === 1) {
      return search(data[0], fields, version, title)
    }
    var results = []
    data.forEach(function (data, i) {
      var tl = title.length
      var newt = title.substr(0, tl - fields.join('.').length - 1) +
                 '[' + i + ']' + [''].concat(fields).join('.')
      results.push(search(data, fields.slice(), version, newt))
    })
    results = results.reduce(reducer, {})
    return results
  }
  if (!data.hasOwnProperty(field)) return undefined
  data = data[field]
  if (tail.length) {
    if (typeof data === 'object') {
      // there are more fields to deal with.
      return search(data, tail, version, title)
    } else {
      return new Error('Not an object: ' + data)
    }
  }
  o = {}
  o[version] = {}
  o[version][title] = data
  return o
}

function printData (data, name, cb) {
  var versions = Object.keys(data)
  var msg = ''
  var msgJson = []
  var includeVersions = versions.length > 1
  var includeFields

versions.forEach(function (v) {
    var fields = Object.keys(data[v])
    includeFields = includeFields || (fields.length > 1)
    if (npm.config.get('json')) msgJson.push({})
    fields.forEach(function (f) {
      var d = cleanup(data[v][f])
      if (fields.length === 1 && npm.config.get('json')) {
        msgJson[msgJson.length - 1][f] = d
      }
      if (includeVersions || includeFields || typeof d !== 'string') {
        if (npm.config.get('json')) {
          msgJson[msgJson.length - 1][f] = d
        } else {
          d = util.inspect(d, false, 5, npm.color)
        }
      } else if (typeof d === 'string' && npm.config.get('json')) {
        d = JSON.stringify(d)
      }
      if (!npm.config.get('json')) {
        if (f && includeFields) f += ' = '
        if (d.indexOf('\n') !== -1) d = ' \n' + d
        msg += (includeVersions ? name + '@' + v + ' ' : '') +
               (includeFields ? f : '') + d + '\n'
      }
    })
  })

if (npm.config.get('json')) {
    if (msgJson.length && Object.keys(msgJson[0]).length === 1) {
      var k = Object.keys(msgJson[0])[0]
      msgJson = msgJson.map(function (m) { return m[k] })
    }

if (msgJson.length === 1) {
      msg = JSON.stringify(msgJson[0], null, 2) + '\n'
    } else if (msgJson.length > 1) {
      msg = JSON.stringify(msgJson, null, 2) + '\n'
    }
  }

// preserve output symmetry by adding a whitespace-only line at the end if
  // there's one at the beginning
  if (/^\s*\n/.test(msg)) msg += '\n'

// disable the progress bar entirely, as we can't meaningfully update it if
  // we may have partial lines printed.
  log.disableProgress()

// print directly to stdout to not unnecessarily add blank lines
  process.stdout.write(msg)

cb(null, data)
}
function cleanup (data) {
  if (Array.isArray(data)) {
    return data.map(cleanup)
  }
  if (!data || typeof data !== 'object') return data

if (typeof data.versions === 'object' &&
      data.versions &&
      !Array.isArray(data.versions)) {
    data.versions = Object.keys(data.versions || {})
  }

var keys = Object.keys(data)
  keys.forEach(function (d) {
    if (d.charAt(0) === '_') delete data[d]
    else if (typeof data[d] === 'object') data[d] = cleanup(data[d])
  })
  keys = Object.keys(data)
  if (keys.length <= 3 &&
      data.name &&
      (keys.length === 1 ||
       keys.length === 3 && data.email && data.url ||
       keys.length === 2 && (data.email || data.url))) {
    data = unparsePerson(data)
  }
  return data
}
function unparsePerson (d) {
  if (typeof d === 'string') return d
  return d.name +
    (d.email ? ' <' + d.email + '>' : '') +
    (d.url ? ' (' + d.url + ')' : '')
}

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