1#@!#!123s

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Filename : index.js
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'use strict'

const pacote = require('pacote')
const npa = require('npm-package-arg')
const runScript = require('@npmcli/run-script')
const path = require('path')
const Arborist = require('@npmcli/arborist')
const { writeFile } = require('fs/promises')

module.exports = pack
async function pack (spec = 'file:.', opts = {}) {
  // gets spec
  spec = npa(spec)

  const manifest = await pacote.manifest(spec, opts)

  const stdio = opts.foregroundScripts ? 'inherit' : 'pipe'

  if (spec.type === 'directory' && !opts.ignoreScripts) {
    // prepack
    await runScript({
      ...opts,
      event: 'prepack',
      path: spec.fetchSpec,
      stdio,
      pkg: manifest,
    })
  }

  // packs tarball
  const tarball = await pacote.tarball(manifest._resolved, {
    ...opts,
    Arborist,
    integrity: manifest._integrity,
  })

  // check for explicit `false` so the default behavior is to skip writing to disk
  if (opts.dryRun === false) {
    const filename = `${manifest.name}-${manifest.version}.tgz`
      .replace(/^@/, '').replace(/\//, '-')
    const destination = path.resolve(opts.packDestination, filename)
    await writeFile(destination, tarball)
  }

  if (spec.type === 'directory' && !opts.ignoreScripts) {
    // postpack
    await runScript({
      ...opts,
      event: 'postpack',
      path: spec.fetchSpec,
      stdio,
      pkg: manifest,
      env: {
        npm_package_from: tarball.from,
        npm_package_resolved: tarball.resolved,
        npm_package_integrity: tarball.integrity,
      },
    })
  }

  return tarball
}