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Dir : ~/usr/share/node_modules/npm/lib/utils/

Edit File: tar.js

const tar = require('tar')
const ssri = require('ssri')
const log = require('./log-shim')
const formatBytes = require('./format-bytes.js')
const columnify = require('columnify')
const localeCompare = require('@isaacs/string-locale-compare')('en', {
  sensitivity: 'case',
  numeric: true,
})

const logTar = (tarball, opts = {}) => {
  const { unicode = false } = opts
  log.notice('')
  log.notice('', `${unicode ? '📦 ' : 'package:'} ${tarball.name}@${tarball.version}`)
  log.notice('=== Tarball Contents ===')
  if (tarball.files.length) {
    log.notice(
      '',
      columnify(
        tarball.files
          .map(f => {
            const bytes = formatBytes(f.size, false)
            return /^node_modules\//.test(f.path) ? null : { path: f.path, size: `${bytes}` }
          })
          .filter(f => f),
        {
          include: ['size', 'path'],
          showHeaders: false,
        }
      )
    )
  }
  if (tarball.bundled.length) {
    log.notice('=== Bundled Dependencies ===')
    tarball.bundled.forEach(name => log.notice('', name))
  }
  log.notice('=== Tarball Details ===')
  log.notice(
    '',
    columnify(
      [
        { name: 'name:', value: tarball.name },
        { name: 'version:', value: tarball.version },
        tarball.filename && { name: 'filename:', value: tarball.filename },
        { name: 'package size:', value: formatBytes(tarball.size) },
        { name: 'unpacked size:', value: formatBytes(tarball.unpackedSize) },
        { name: 'shasum:', value: tarball.shasum },
        {
          name: 'integrity:',
          value:
            tarball.integrity.toString().slice(0, 20) +
            '[...]' +
            tarball.integrity.toString().slice(80),
        },
        tarball.bundled.length && { name: 'bundled deps:', value: tarball.bundled.length },
        tarball.bundled.length && {
          name: 'bundled files:',
          value: tarball.entryCount - tarball.files.length,
        },
        tarball.bundled.length && { name: 'own files:', value: tarball.files.length },
        { name: 'total files:', value: tarball.entryCount },
      ].filter(x => x),
      {
        include: ['name', 'value'],
        showHeaders: false,
      }
    )
  )
  log.notice('', '')
}

const getContents = async (manifest, tarball) => {
  const files = []
  const bundled = new Set()
  let totalEntries = 0
  let totalEntrySize = 0

// reads contents of tarball
  const stream = tar.t({
    onentry (entry) {
      totalEntries++
      totalEntrySize += entry.size
      const p = entry.path
      if (p.startsWith('package/node_modules/')) {
        const name = p.match(/^package\/node_modules\/((?:@[^/]+\/)?[^/]+)/)[1]
        bundled.add(name)
      }
      files.push({
        path: entry.path.replace(/^package\//, ''),
        size: entry.size,
        mode: entry.mode,
      })
    },
  })
  stream.end(tarball)

const integrity = await ssri.fromData(tarball, {
    algorithms: ['sha1', 'sha512'],
  })

const comparator = ({ path: a }, { path: b }) => localeCompare(a, b)

const isUpper = str => {
    const ch = str.charAt(0)
    return ch === ch.toUpperCase()
  }

const uppers = files.filter(file => isUpper(file.path))
  const others = files.filter(file => !isUpper(file.path))

uppers.sort(comparator)
  others.sort(comparator)

const shasum = integrity.sha1[0].hexDigest()
  return {
    id: manifest._id || `${manifest.name}@${manifest.version}`,
    name: manifest.name,
    version: manifest.version,
    size: tarball.length,
    unpackedSize: totalEntrySize,
    shasum,
    integrity: ssri.parse(integrity.sha512[0]),
    // @scope/packagename.tgz => scope-packagename.tgz
    // we can safely use these global replace rules due to npm package naming rules
    filename: `${manifest.name.replace('@', '').replace('/', '-')}-${manifest.version}.tgz`,
    files: uppers.concat(others),
    entryCount: totalEntries,
    bundled: Array.from(bundled),
  }
}

module.exports = { logTar, getContents }