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pack.js2.7 KB · 92 lines
const pacote = require('pacote')const libpack = require('libnpmpack')const npa = require('npm-package-arg')const { log, output } = require('proc-log')const { getContents, logTar } = require('../utils/tar.js')const BaseCommand = require('../base-cmd.js') class Pack extends BaseCommand {  static description = 'Create a tarball from a package'  static name = 'pack'  static params = [    'dry-run',    'json',    'pack-destination',    'workspace',    'workspaces',    'include-workspace-root',    'ignore-scripts',  ]   static usage = ['<package-spec>']  static workspaces = true  static ignoreImplicitWorkspace = false   async exec (args) {    if (args.length === 0) {      args = ['.']    }     const unicode = this.npm.config.get('unicode')    const json = this.npm.config.get('json')     const Arborist = require('@npmcli/arborist')    // Get the manifests and filenames first so we can bail early on manifest    // errors before making any tarballs    const manifests = []    for (const arg of args) {      const spec = npa(arg)      const manifest = await pacote.manifest(spec, {        ...this.npm.flatOptions,        Arborist,        _isRoot: true,      })      if (!manifest._id) {        throw new Error('Invalid package, must have name and version')      }      manifests.push({ arg, manifest })    }     // Load tarball names up for printing afterward to isolate from the    // noise generated during packing    const tarballs = []    for (const { arg, manifest } of manifests) {      const tarballData = await libpack(arg, {        ...this.npm.flatOptions,        foregroundScripts: this.npm.config.isDefault('foreground-scripts')          ? true          : this.npm.config.get('foreground-scripts'),        prefix: this.npm.localPrefix,        workspaces: this.workspacePaths,      })      tarballs.push(await getContents(manifest, tarballData))    }     for (const [index, tar] of Object.entries(tarballs)) {      // XXX(BREAKING_CHANGE): publish outputs a json object with package      // names as keys. Pack should do the same here instead of an array      logTar(tar, { unicode, json, key: index })      if (!json) {        output.standard(tar.filename.replace(/^@/, '').replace(/\//, '-'))      }    }  }   async execWorkspaces (args) {    // If they either ask for nothing, or explicitly include '.' in the args,    // we effectively translate that into each workspace requested     const useWorkspaces = args.length === 0 || args.includes('.')     if (!useWorkspaces) {      log.warn('Ignoring workspaces for specified package(s)')      return this.exec(args)    }     await this.setWorkspaces()    return this.exec([...this.workspacePaths, ...args.filter(a => a !== '.')])  }} module.exports = Pack