/* eslint-disable standard/no-callback-literal */

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'use strict'

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module.exports = unpublish

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const BB = require('bluebird')

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const figgyPudding = require('figgy-pudding')

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const libaccess = require('libnpm/access')

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const libunpub = require('libnpm/unpublish')

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const log = require('npmlog')

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const npa = require('npm-package-arg')

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

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

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const npmFetch = require('npm-registry-fetch')

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const otplease = require('./utils/otplease.js')

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const output = require('./utils/output.js')

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const path = require('path')

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const readJson = BB.promisify(require('read-package-json'))

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

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const whoami = BB.promisify(require('./whoami.js'))

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unpublish.usage = usage(

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'unpublish',

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'\nnpm unpublish [<@scope>/]<pkg>@<version>' +

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'\nnpm unpublish [<@scope>/]<pkg> --force'

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)

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function UsageError () {

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throw Object.assign(new Error(`Usage: ${unpublish.usage}`), {

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code: 'EUSAGE'

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})

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}

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const UnpublishConfig = figgyPudding({

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force: {},

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loglevel: {},

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silent: {}

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})

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unpublish.completion = function (cliOpts, cb) {

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if (cliOpts.conf.argv.remain.length >= 3) return cb()

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whoami([], true).then(username => {

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if (!username) { return [] }

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const opts = UnpublishConfig(npmConfig())

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return libaccess.lsPackages(username, opts).then(access => {

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// do a bit of filtering at this point, so that we don't need

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// to fetch versions for more than one thing, but also don't

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// accidentally a whole project.

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let pkgs = Object.keys(access)

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if (!cliOpts.partialWord || !pkgs.length) { return pkgs }

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const pp = npa(cliOpts.partialWord).name

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pkgs = pkgs.filter(p => !p.indexOf(pp))

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if (pkgs.length > 1) return pkgs

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return npmFetch.json(npa(pkgs[0]).escapedName, opts).then(doc => {

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const vers = Object.keys(doc.versions)

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if (!vers.length) {

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return pkgs

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} else {

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return vers.map(v => `${pkgs[0]}@${v}`)

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}

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})

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})

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}).nodeify(cb)

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}

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function unpublish (args, cb) {

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if (args.length > 1) return cb(unpublish.usage)

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const spec = args.length && npa(args[0])

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const opts = UnpublishConfig(npmConfig())

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const version = spec.rawSpec

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BB.try(() => {

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log.silly('unpublish', 'args[0]', args[0])

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log.silly('unpublish', 'spec', spec)

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if (!version && !opts.force) {

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throw Object.assign(new Error(

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'Refusing to delete entire project.\n' +

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'Run with --force to do this.\n' +

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unpublish.usage

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), { code: 'EUSAGE' })

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}

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if (!spec || path.resolve(spec.name) === npm.localPrefix) {

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// if there's a package.json in the current folder, then

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// read the package name and version out of that.

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const cwdJson = path.join(npm.localPrefix, 'package.json')

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return readJson(cwdJson).then(data => {

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log.verbose('unpublish', data)

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return otplease(opts, opts => {

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return libunpub(npa.resolve(data.name, data.version), opts.concat(data.publishConfig))

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})

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}, err => {

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if (err && err.code !== 'ENOENT' && err.code !== 'ENOTDIR') {

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throw err

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} else {

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UsageError()

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}

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})

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} else {

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return otplease(opts, opts => libunpub(spec, opts))

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}

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}).then(

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ret => {

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if (!opts.silent && opts.loglevel !== 'silent') {

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output(`- ${spec.name}${

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spec.type === 'version' ? `@${spec.rawSpec}` : ''

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}`)

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}

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cb(null, ret)

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},

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err => err.code === 'EUSAGE' ? cb(err.message) : cb(err)

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)

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}

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