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/usr/lib/node_modules/npm/lib

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config/	-	0755	rm
doctor/	-	0755	rm
install/	-	0755	rm
search/	-	0755	rm
utils/	-	0755	rm
access.js	5672	0644	edit dl rm
adduser.js	1337	0644	edit dl rm
audit.js	10811	0644	edit dl rm
bin.js	515	0644	edit dl rm
bugs.js	864	0644	edit dl rm
build.js	4545	0644	edit dl rm
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ci.js	1341	0644	edit dl rm
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dist-tag.js	4204	0644	edit dl rm
docs.js	1063	0644	edit dl rm
doctor.js	4075	0644	edit dl rm
edit.js	1407	0644	edit dl rm
explore.js	1709	0644	edit dl rm
fetch-package-metadata.js	4064	0644	edit dl rm
fund.js	5026	0644	edit dl rm
get.js	235	0644	edit dl rm
help-search.js	5777	0644	edit dl rm
help.js	6507	0644	edit dl rm
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init.js	2805	0644	edit dl rm
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npm.js	14719	0644	edit dl rm
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root.js	320	0644	edit dl rm
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Edit: /usr/lib/node_modules/npm/lib/fund.js (5026B)

'use strict'

const path = require('path')

const archy = require('archy')
const figgyPudding = require('figgy-pudding')
const readPackageTree = require('read-package-tree')

const npm = require('./npm.js')
const npmConfig = require('./config/figgy-config.js')
const fetchPackageMetadata = require('./fetch-package-metadata.js')
const computeMetadata = require('./install/deps.js').computeMetadata
const readShrinkwrap = require('./install/read-shrinkwrap.js')
const mutateIntoLogicalTree = require('./install/mutate-into-logical-tree.js')
const output = require('./utils/output.js')
const openUrl = require('./utils/open-url.js')
const { getFundingInfo, retrieveFunding, validFundingField, flatCacheSymbol } = require('./utils/funding.js')

const FundConfig = figgyPudding({
  browser: {}, // used by ./utils/open-url
  global: {},
  json: {},
  unicode: {},
  which: {}
})

module.exports = fundCmd

const usage = require('./utils/usage')
fundCmd.usage = usage(
  'fund',
  'npm fund [--json]',
  'npm fund [--browser] [[<@scope>/]<pkg> [--which=<fundingSourceNumber>]'
)

fundCmd.completion = function (opts, cb) {
  const argv = opts.conf.argv.remain
  switch (argv[2]) {
    case 'fund':
      return cb(null, [])
    default:
      return cb(new Error(argv[2] + ' not recognized'))
  }
}

function printJSON (fundingInfo) {
  return JSON.stringify(fundingInfo, null, 2)
}

// the human-printable version does some special things that turned out to
// be very verbose but hopefully not hard to follow: we stack up items
// that have a shared url/type and make sure they're printed at the highest
// level possible, in that process they also carry their dependencies along
// with them, moving those up in the visual tree
function printHuman (fundingInfo, opts) {
  const flatCache = fundingInfo[flatCacheSymbol]

const { name, version } = fundingInfo
  const printableVersion = version ? `@${version}` : ''

const items = Object.keys(flatCache).map((url) => {
    const deps = flatCache[url]

const packages = deps.map((dep) => {
      const { name, version } = dep

const printableVersion = version ? `@${version}` : ''
      return `${name}${printableVersion}`
    })

return {
      label: url,
      nodes: [packages.join(', ')]
    }
  })

return archy({ label: `${name}${printableVersion}`, nodes: items }, '', { unicode: opts.unicode })
}

function openFundingUrl (packageName, fundingSourceNumber, cb) {
  function getUrlAndOpen (packageMetadata) {
    const { funding } = packageMetadata
    const validSources = [].concat(retrieveFunding(funding)).filter(validFundingField)

if (validSources.length === 1 || (fundingSourceNumber > 0 && fundingSourceNumber <= validSources.length)) {
      const { type, url } = validSources[fundingSourceNumber ? fundingSourceNumber - 1 : 0]
      const typePrefix = type ? `${type} funding` : 'Funding'
      const msg = `${typePrefix} available at the following URL`
      openUrl(url, msg, cb)
    } else if (!(fundingSourceNumber >= 1)) {
      validSources.forEach(({ type, url }, i) => {
        const typePrefix = type ? `${type} funding` : 'Funding'
        const msg = `${typePrefix} available at the following URL`
        console.log(`${i + 1}: ${msg}: ${url}`)
      })
      console.log('Run `npm fund [<@scope>/]<pkg> --which=1`, for example, to open the first funding URL listed in that package')
      cb()
    } else {
      const noFundingError = new Error(`No valid funding method available for: ${packageName}`)
      noFundingError.code = 'ENOFUND'

throw noFundingError
    }
  }

fetchPackageMetadata(
    packageName,
    '.',
    { fullMetadata: true },
    function (err, packageMetadata) {
      if (err) return cb(err)
      getUrlAndOpen(packageMetadata)
    }
  )
}

function fundCmd (args, cb) {
  const opts = FundConfig(npmConfig())
  const dir = path.resolve(npm.dir, '..')
  const packageName = args[0]
  const numberArg = opts.which

const fundingSourceNumber = numberArg && parseInt(numberArg, 10)

if (numberArg !== undefined && (String(fundingSourceNumber) !== numberArg || fundingSourceNumber < 1)) {
    const err = new Error('`npm fund [<@scope>/]<pkg> [--which=fundingSourceNumber]` must be given a positive integer')
    err.code = 'EFUNDNUMBER'
    throw err
  }

if (opts.global) {
    const err = new Error('`npm fund` does not support global packages')
    err.code = 'EFUNDGLOBAL'
    throw err
  }

if (packageName) {
    openFundingUrl(packageName, fundingSourceNumber, cb)
    return
  }

readPackageTree(dir, function (err, tree) {
    if (err) {
      process.exitCode = 1
      return cb(err)
    }

readShrinkwrap.andInflate(tree, function () {
      const fundingInfo = getFundingInfo(
        mutateIntoLogicalTree.asReadInstalled(
          computeMetadata(tree)
        )
      )

const print = opts.json
        ? printJSON
        : printHuman

output(
        print(
          fundingInfo,
          opts
        )
      )
      cb(err, tree)
    })
  })
}

cmd: