'use strict'

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// npm view [pkg [pkg ...]]

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module.exports = view

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const BB = require('bluebird')

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const byteSize = require('byte-size')

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const color = require('ansicolors')

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const columns = require('cli-columns')

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const npmConfig = require('./config/figgy-config.js')

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const log = require('npmlog')

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const figgyPudding = require('figgy-pudding')

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const npa = require('libnpm/parse-arg')

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const npm = require('./npm.js')

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const packument = require('libnpm/packument')

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const path = require('path')

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const readJson = require('libnpm/read-json')

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const relativeDate = require('tiny-relative-date')

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const semver = require('semver')

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const style = require('ansistyles')

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const usage = require('./utils/usage')

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const util = require('util')

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const validateName = require('validate-npm-package-name')

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const ViewConfig = figgyPudding({

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global: {},

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json: {},

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tag: {},

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unicode: {}

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})

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view.usage = usage(

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'view',

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'npm view [<@scope>/]<pkg>[@<version>] [<field>[.subfield]...]'

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)

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view.completion = function (opts, cb) {

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if (opts.conf.argv.remain.length <= 2) {

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// FIXME: there used to be registry completion here, but it stopped making

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// sense somewhere around 50,000 packages on the registry

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return cb()

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}

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// have the package, get the fields.

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const config = ViewConfig(npmConfig())

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const tag = config.tag

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const spec = npa(opts.conf.argv.remain[2])

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return packument(spec, config).then(d => {

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const dv = d.versions[d['dist-tags'][tag]]

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d.versions = Object.keys(d.versions).sort(semver.compareLoose)

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return getFields(d).concat(getFields(dv))

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}).nodeify(cb)

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function getFields (d, f, pref) {

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f = f || []

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if (!d) return f

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pref = pref || []

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Object.keys(d).forEach(function (k) {

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if (k.charAt(0) === '_' || k.indexOf('.') !== -1) return

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const p = pref.concat(k).join('.')

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f.push(p)

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if (Array.isArray(d[k])) {

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d[k].forEach(function (val, i) {

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const pi = p + '[' + i + ']'

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if (val && typeof val === 'object') getFields(val, f, [p])

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else f.push(pi)

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})

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return

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}

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if (typeof d[k] === 'object') getFields(d[k], f, [p])

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})

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return f

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}

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}

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function view (args, silent, cb) {

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if (typeof cb !== 'function') {

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cb = silent

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silent = false

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}

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

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const opts = ViewConfig(npmConfig())

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const pkg = args.shift()

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let nv

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if (/^[.]@/.test(pkg)) {

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nv = npa.resolve(null, pkg.slice(2))

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} else {

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nv = npa(pkg)

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}

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const name = nv.name

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const local = (name === '.' || !name)

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if (opts.global && local) {

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return cb(new Error('Cannot use view command in global mode.'))

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}

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if (local) {

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const dir = npm.prefix

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BB.resolve(readJson(path.resolve(dir, 'package.json'))).nodeify((er, d) => {

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d = d || {}

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if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)

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if (!d.name) return cb(new Error('Invalid package.json'))

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const p = d.name

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nv = npa(p)

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if (pkg && ~pkg.indexOf('@')) {

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nv.rawSpec = pkg.split('@')[pkg.indexOf('@')]

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}

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fetchAndRead(nv, args, silent, opts, cb)

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})

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} else {

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fetchAndRead(nv, args, silent, opts, cb)

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}

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}

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function fetchAndRead (nv, args, silent, opts, cb) {

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// get the data about this package

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let version = nv.rawSpec || npm.config.get('tag')

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return packument(nv, opts.concat({

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fullMetadata: true,

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'prefer-online': true

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})).catch(err => {

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// TODO - this should probably go into pacote, but the tests expect it.

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if (err.code === 'E404') {

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err.message = `'${nv.name}' is not in the npm registry.`

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const validated = validateName(nv.name)

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if (!validated.validForNewPackages) {

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err.message += '\n'

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err.message += (validated.errors || []).join('\n')

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err.message += (validated.warnings || []).join('\n')

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} else {

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err.message += '\nYou should bug the author to publish it'

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err.message += '\n(or use the name yourself!)'

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err.message += '\n'

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err.message += '\nNote that you can also install from a'

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err.message += '\ntarball, folder, http url, or git url.'

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}

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}

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throw err

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}).then(data => {

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if (data['dist-tags'] && data['dist-tags'][version]) {

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version = data['dist-tags'][version]

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}

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if (data.time && data.time.unpublished) {

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const u = data.time.unpublished

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let er = new Error('Unpublished by ' + u.name + ' on ' + u.time)

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er.statusCode = 404

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er.code = 'E404'

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er.pkgid = data._id

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throw er

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}

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const results = []

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let error = null

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const versions = data.versions || {}

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data.versions = Object.keys(versions).sort(semver.compareLoose)

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

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// remove readme unless we asked for it

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if (args.indexOf('readme') === -1) {

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delete data.readme

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}

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Object.keys(versions).forEach(function (v) {

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if (semver.satisfies(v, version, true)) {

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args.forEach(function (args) {

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// remove readme unless we asked for it

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if (args.indexOf('readme') !== -1) {

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delete versions[v].readme

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}

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results.push(showFields(data, versions[v], args))

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})

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}

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})

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let retval = results.reduce(reducer, {})

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if (args.length === 1 && args[0] === '') {

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retval = cleanBlanks(retval)

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log.silly('view', retval)

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}

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if (silent) {

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return retval

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} else if (error) {

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throw error

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} else if (

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!opts.json &&

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args.length === 1 &&

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args[0] === ''

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) {

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data.version = version

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return BB.all(

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results.map((v) => prettyView(data, v[Object.keys(v)[0]][''], opts))

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).then(() => retval)

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} else {

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return BB.fromNode(cb => {

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printData(retval, data._id, opts, cb)

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}).then(() => retval)

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}

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}).nodeify(cb)

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}

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function prettyView (packument, manifest, opts) {

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// More modern, pretty printing of default view

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const unicode = opts.unicode

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return BB.try(() => {

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if (!manifest) {

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log.error(

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'view',

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'No matching versions.\n' +

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'To see a list of versions, run:\n' +

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`> npm view ${packument.name} versions`

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)

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return

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}

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const tags = []

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Object.keys(packument['dist-tags']).forEach((t) => {

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const version = packument['dist-tags'][t]

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tags.push(`${style.bright(color.green(t))}: ${version}`)

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})

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const unpackedSize = manifest.dist.unpackedSize &&

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byteSize(manifest.dist.unpackedSize)

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const licenseField = manifest.license || manifest.licence || 'Proprietary'

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const info = {

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name: color.green(manifest.name),

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version: color.green(manifest.version),

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bins: Object.keys(manifest.bin || {}).map(color.yellow),

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versions: color.yellow(packument.versions.length + ''),

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description: manifest.description,

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deprecated: manifest.deprecated,

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keywords: (packument.keywords || []).map(color.yellow),

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license: typeof licenseField === 'string'

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? licenseField

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: (licenseField.type || 'Proprietary'),

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deps: Object.keys(manifest.dependencies || {}).map((dep) => {

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return `${color.yellow(dep)}: ${manifest.dependencies[dep]}`

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}),

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publisher: manifest._npmUser && unparsePerson({

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name: color.yellow(manifest._npmUser.name),

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email: color.cyan(manifest._npmUser.email)

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}),

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modified: packument.time ? color.yellow(relativeDate(packument.time[packument.version])) : undefined,

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maintainers: (packument.maintainers || []).map((u) => unparsePerson({

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name: color.yellow(u.name),

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email: color.cyan(u.email)

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})),

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repo: (

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manifest.bugs && (manifest.bugs.url || manifest.bugs)

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) || (

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manifest.repository && (manifest.repository.url || manifest.repository)

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),

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site: (

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manifest.homepage && (manifest.homepage.url || manifest.homepage)

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),

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stars: color.yellow('' + packument.users ? Object.keys(packument.users || {}).length : 0),

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tags,

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tarball: color.cyan(manifest.dist.tarball),

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shasum: color.yellow(manifest.dist.shasum),

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integrity: manifest.dist.integrity && color.yellow(manifest.dist.integrity),

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fileCount: manifest.dist.fileCount && color.yellow(manifest.dist.fileCount),

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unpackedSize: unpackedSize && color.yellow(unpackedSize.value) + ' ' + unpackedSize.unit

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}

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if (info.license.toLowerCase().trim() === 'proprietary') {

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info.license = style.bright(color.red(info.license))

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} else {

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info.license = color.green(info.license)

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}

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console.log('')

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console.log(

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style.underline(style.bright(`${info.name}@${info.version}`)) +

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' | ' + info.license +

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' | deps: ' + (info.deps.length ? color.cyan(info.deps.length) : color.green('none')) +

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' | versions: ' + info.versions

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)

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info.description && console.log(info.description)

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if (info.repo || info.site) {

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info.site && console.log(color.cyan(info.site))

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}

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const warningSign = unicode ? ' ⚠️ ' : '!!'

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info.deprecated && console.log(

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`\n${style.bright(color.red('DEPRECATED'))}${

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warningSign

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} - ${info.deprecated}`

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)

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if (info.keywords.length) {

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console.log('')

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console.log('keywords:', info.keywords.join(', '))

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}

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if (info.bins.length) {

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console.log('')

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console.log('bin:', info.bins.join(', '))

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}

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console.log('')

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console.log('dist')

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console.log('.tarball:', info.tarball)

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console.log('.shasum:', info.shasum)

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info.integrity && console.log('.integrity:', info.integrity)

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info.unpackedSize && console.log('.unpackedSize:', info.unpackedSize)

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const maxDeps = 24

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if (info.deps.length) {

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console.log('')

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console.log('dependencies:')

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console.log(columns(info.deps.slice(0, maxDeps), {padding: 1}))

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if (info.deps.length > maxDeps) {

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console.log(`(...and ${info.deps.length - maxDeps} more.)`)

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}

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}

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if (info.maintainers && info.maintainers.length) {

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console.log('')

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console.log('maintainers:')

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info.maintainers.forEach((u) => console.log('-', u))

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}

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console.log('')

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console.log('dist-tags:')

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console.log(columns(info.tags))

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if (info.publisher || info.modified) {

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let publishInfo = 'published'

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if (info.modified) { publishInfo += ` ${info.modified}` }

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if (info.publisher) { publishInfo += ` by ${info.publisher}` }

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console.log('')

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console.log(publishInfo)

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}

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})

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}

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function cleanBlanks (obj) {

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const clean = {}

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Object.keys(obj).forEach(function (version) {

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clean[version] = obj[version]['']

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})

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return clean

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}

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function reducer (l, r) {

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if (r) {

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Object.keys(r).forEach(function (v) {

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l[v] = l[v] || {}

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Object.keys(r[v]).forEach(function (t) {

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l[v][t] = r[v][t]

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})

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})

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}

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return l

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}

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// return whatever was printed

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function showFields (data, version, fields) {

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const o = {}

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;[data, version].forEach(function (s) {

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Object.keys(s).forEach(function (k) {

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o[k] = s[k]

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})

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})

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return search(o, fields.split('.'), version.version, fields)

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}

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function search (data, fields, version, title) {

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let field

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const tail = fields

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while (!field && fields.length) field = tail.shift()

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fields = [field].concat(tail)

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let o

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if (!field && !tail.length) {

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o = {}

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o[version] = {}

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o[version][title] = data

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return o

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}

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let index = field.match(/(.+)\[([^\]]+)\]$/)

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if (index) {

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field = index[1]

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index = index[2]

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if (data.field && data.field.hasOwnProperty(index)) {

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return search(data[field][index], tail, version, title)

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} else {

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field = field + '[' + index + ']'

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}

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}

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if (Array.isArray(data)) {

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if (data.length === 1) {

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return search(data[0], fields, version, title)

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}

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let results = []

[396] Fix | Delete

data.forEach(function (data, i) {

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const tl = title.length

[398] Fix | Delete

const newt = title.substr(0, tl - fields.join('.').length - 1) +

[399] Fix | Delete

'[' + i + ']' + [''].concat(fields).join('.')

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results.push(search(data, fields.slice(), version, newt))

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})

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results = results.reduce(reducer, {})

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return results

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}

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if (!data.hasOwnProperty(field)) return undefined

[406] Fix | Delete

data = data[field]

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if (tail.length) {

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if (typeof data === 'object') {

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// there are more fields to deal with.

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return search(data, tail, version, title)

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} else {

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return new Error('Not an object: ' + data)

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}

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}

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o = {}

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o[version] = {}

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o[version][title] = data

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return o

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}

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[421] Fix | Delete

function printData (data, name, opts, cb) {

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const versions = Object.keys(data)

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let msg = ''

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let msgJson = []

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const includeVersions = versions.length > 1

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let includeFields

[427] Fix | Delete

[428] Fix | Delete

versions.forEach(function (v) {

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const fields = Object.keys(data[v])

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includeFields = includeFields || (fields.length > 1)

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if (opts.json) msgJson.push({})

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fields.forEach(function (f) {

[433] Fix | Delete

let d = cleanup(data[v][f])

[434] Fix | Delete

if (fields.length === 1 && opts.json) {

[435] Fix | Delete

msgJson[msgJson.length - 1][f] = d

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}

[437] Fix | Delete

if (includeVersions || includeFields || typeof d !== 'string') {

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if (opts.json) {

[439] Fix | Delete

msgJson[msgJson.length - 1][f] = d

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} else {

[441] Fix | Delete

d = util.inspect(d, { showHidden: false, depth: 5, colors: npm.color, maxArrayLength: null })

[442] Fix | Delete

}

[443] Fix | Delete

} else if (typeof d === 'string' && opts.json) {

[444] Fix | Delete

d = JSON.stringify(d)

[445] Fix | Delete

}

[446] Fix | Delete

if (!opts.json) {

[447] Fix | Delete

if (f && includeFields) f += ' = '

[448] Fix | Delete

if (d.indexOf('\n') !== -1) d = ' \n' + d

[449] Fix | Delete

msg += (includeVersions ? name + '@' + v + ' ' : '') +

[450] Fix | Delete

(includeFields ? f : '') + d + '\n'

[451] Fix | Delete

}

[452] Fix | Delete

})

[453] Fix | Delete

})

[454] Fix | Delete

[455] Fix | Delete

if (opts.json) {

[456] Fix | Delete

if (msgJson.length && Object.keys(msgJson[0]).length === 1) {

[457] Fix | Delete

const k = Object.keys(msgJson[0])[0]

[458] Fix | Delete

msgJson = msgJson.map(function (m) { return m[k] })

[459] Fix | Delete

}

[460] Fix | Delete

[461] Fix | Delete

if (msgJson.length === 1) {

[462] Fix | Delete

msg = JSON.stringify(msgJson[0], null, 2) + '\n'

[463] Fix | Delete

} else if (msgJson.length > 1) {

[464] Fix | Delete

msg = JSON.stringify(msgJson, null, 2) + '\n'

[465] Fix | Delete

}

[466] Fix | Delete

}

[467] Fix | Delete

[468] Fix | Delete

// preserve output symmetry by adding a whitespace-only line at the end if

[469] Fix | Delete

// there's one at the beginning

[470] Fix | Delete

if (/^\s*\n/.test(msg)) msg += '\n'

[471] Fix | Delete

[472] Fix | Delete

// disable the progress bar entirely, as we can't meaningfully update it if

[473] Fix | Delete

// we may have partial lines printed.

[474] Fix | Delete

log.disableProgress()

[475] Fix | Delete

[476] Fix | Delete

// print directly to stdout to not unnecessarily add blank lines

[477] Fix | Delete

process.stdout.write(msg, () => cb(null, data))

[478] Fix | Delete

}

[479] Fix | Delete

function cleanup (data) {

[480] Fix | Delete

if (Array.isArray(data)) {

[481] Fix | Delete

return data.map(cleanup)

[482] Fix | Delete

}

[483] Fix | Delete

if (!data || typeof data !== 'object') return data

[484] Fix | Delete

[485] Fix | Delete

if (typeof data.versions === 'object' &&

[486] Fix | Delete

data.versions &&

[487] Fix | Delete

!Array.isArray(data.versions)) {

[488] Fix | Delete

data.versions = Object.keys(data.versions || {})

[489] Fix | Delete

}

[490] Fix | Delete

[491] Fix | Delete

let keys = Object.keys(data)

[492] Fix | Delete

keys.forEach(function (d) {

[493] Fix | Delete

if (d.charAt(0) === '_') delete data[d]

[494] Fix | Delete

else if (typeof data[d] === 'object') data[d] = cleanup(data[d])

[495] Fix | Delete

})

[496] Fix | Delete

keys = Object.keys(data)

[497] Fix | Delete

if (keys.length <= 3 &&

[498] Fix | Delete

data.name &&

[499] Fix | Delete