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File Name : npm.js

const EventEmitter = require('events')
const { resolve, dirname, join } = require('path')
const Config = require('@npmcli/config')
const chalk = require('chalk')
const which = require('which')
const fs = require('@npmcli/fs')

// Patch the global fs module here at the app level
require('graceful-fs').gracefulify(require('fs'))

const { definitions, flatten, shorthands } = require('./utils/config/index.js')
const usage = require('./utils/npm-usage.js')
const LogFile = require('./utils/log-file.js')
const Timers = require('./utils/timers.js')
const Display = require('./utils/display.js')
const log = require('./utils/log-shim')
const replaceInfo = require('./utils/replace-info.js')
const updateNotifier = require('./utils/update-notifier.js')
const pkg = require('../package.json')
const cmdList = require('./utils/cmd-list.js')

let warnedNonDashArg = false
const _load = Symbol('_load')

class Npm extends EventEmitter {
  static get version () {
    return pkg.version
  }

command = null
  updateNotification = null
  loadErr = null
  argv = []

#loadPromise = null
  #tmpFolder = null
  #title = 'npm'
  #argvClean = []
  #chalk = null

#logFile = new LogFile()
  #display = new Display()
  #timers = new Timers({
    start: 'npm',
    listener: (name, ms) => {
      const args = ['timing', name, `Completed in ${ms}ms`]
      this.#logFile.log(...args)
      this.#display.log(...args)
    },
  })

config = new Config({
    npmPath: dirname(__dirname),
    definitions,
    flatten,
    shorthands,
  })

get version () {
    return this.constructor.version
  }

deref (c) {
    if (!c) {
      return
    }
    if (c.match(/[A-Z]/)) {
      c = c.replace(/([A-Z])/g, m => '-' + m.toLowerCase())
    }
    if (cmdList.plumbing.indexOf(c) !== -1) {
      return c
    }
    // first deref the abbrev, if there is one
    // then resolve any aliases
    // so `npm install-cl` will resolve to `install-clean` then to `ci`
    let a = cmdList.abbrevs[c]
    while (cmdList.aliases[a]) {
      a = cmdList.aliases[a]
    }
    return a
  }

// Get an instantiated npm command
  // npm.command is already taken as the currently running command, a refactor
  // would be needed to change this
  async cmd (cmd) {
    await this.load()
    const command = this.deref(cmd)
    if (!command) {
      throw Object.assign(new Error(`Unknown command ${cmd}`), {
        code: 'EUNKNOWNCOMMAND',
      })
    }
    const Impl = require(`./commands/${command}.js`)
    const impl = new Impl(this)
    return impl
  }

// Call an npm command
  async exec (cmd, args) {
    const command = await this.cmd(cmd)
    const timeEnd = this.time(`command:${cmd}`)

// since 'test', 'start', 'stop', etc. commands re-enter this function
    // to call the run-script command, we need to only set it one time.
    if (!this.command) {
      process.env.npm_command = command.name
      this.command = command.name
      this.commandInstance = command
    }

// this is async but we dont await it, since its ok if it doesnt
    // finish before the command finishes running. it uses command and argv
    // so it must be initiated here, after the command name is set
    // eslint-disable-next-line promise/catch-or-return
    updateNotifier(this).then((msg) => (this.updateNotification = msg))

// Options are prefixed by a hyphen-minus (-, \u2d).
    // Other dash-type chars look similar but are invalid.
    if (!warnedNonDashArg) {
      args
        .filter(arg => /^[\u2010-\u2015\u2212\uFE58\uFE63\uFF0D]/.test(arg))
        .forEach(arg => {
          warnedNonDashArg = true
          log.error(
            'arg',
            'Argument starts with non-ascii dash, this is probably invalid:',
            arg
          )
        })
    }

const workspacesEnabled = this.config.get('workspaces')
    // if cwd is a workspace, the default is set to [that workspace]
    const implicitWorkspace = this.config.get('workspace', 'default').length > 0
    const workspacesFilters = this.config.get('workspace')
    const includeWorkspaceRoot = this.config.get('include-workspace-root')
    // only call execWorkspaces when we have workspaces explicitly set
    // or when it is implicit and not in our ignore list
    const hasWorkspaceFilters = workspacesFilters.length > 0
    const invalidWorkspaceConfig = workspacesEnabled === false && hasWorkspaceFilters

// (-ws || -w foo) && (cwd is not a workspace || command is not ignoring implicit workspaces)
    const filterByWorkspaces = (workspacesEnabled || hasWorkspaceFilters) &&
      (!implicitWorkspace || !command.ignoreImplicitWorkspace)
    // normally this would go in the constructor, but our tests don't
    // actually use a real npm object so this.npm.config isn't always
    // populated.  this is the compromise until we can make that a reality
    // and then move this into the constructor.
    command.workspaces = workspacesEnabled
    command.workspacePaths = null
    // normally this would be evaluated in base-command#setWorkspaces, see
    // above for explanation
    command.includeWorkspaceRoot = includeWorkspaceRoot

let execPromise = Promise.resolve()
    if (this.config.get('usage')) {
      this.output(command.usage)
    } else if (invalidWorkspaceConfig) {
      execPromise = Promise.reject(
        new Error('Can not use --no-workspaces and --workspace at the same time'))
    } else if (filterByWorkspaces) {
      if (this.global) {
        execPromise = Promise.reject(new Error('Workspaces not supported for global packages'))
      } else {
        execPromise = command.execWorkspaces(args, workspacesFilters)
      }
    } else {
      execPromise = command.exec(args)
    }

return execPromise.finally(timeEnd)
  }

async load () {
    if (!this.#loadPromise) {
      this.#loadPromise = this.time('npm:load', async () => {
        await this[_load]().catch((er) => {
          this.loadErr = er
          throw er
        })
        if (this.config.get('force')) {
          log.warn('using --force', 'Recommended protections disabled.')
        }
      })
    }
    return this.#loadPromise
  }

get loaded () {
    return this.config.loaded
  }

// This gets called at the end of the exit handler and
  // during any tests to cleanup all of our listeners
  // Everything in here should be synchronous
  unload () {
    this.#timers.off()
    this.#display.off()
    this.#logFile.off()
  }

time (name, fn) {
    return this.#timers.time(name, fn)
  }

writeTimingFile () {
    this.#timers.writeFile({
      command: this.#argvClean,
      // We used to only ever report a single log file
      // so to be backwards compatible report the last logfile
      // XXX: remove this in npm 9 or just keep it forever
      logfile: this.logFiles[this.logFiles.length - 1],
      logfiles: this.logFiles,
      version: this.version,
    })
  }

get title () {
    return this.#title
  }

set title (t) {
    process.title = t
    this.#title = t
  }

async [_load] () {
    const node = this.time('npm:load:whichnode', () => {
      try {
        return which.sync(process.argv[0])
      } catch {
        // TODO should we throw here?
      }
    })

if (node && node.toUpperCase() !== process.execPath.toUpperCase()) {
      log.verbose('node symlink', node)
      process.execPath = node
      this.config.execPath = node
    }

await this.time('npm:load:configload', () => this.config.load())

// mkdir this separately since the logs dir can be set to
    // a different location. if this fails, then we don't have
    // a cache dir, but we don't want to fail immediately since
    // the command might not need a cache dir (like `npm --version`)
    await this.time('npm:load:mkdirpcache', () =>
      fs.mkdir(this.cache, { recursive: true, owner: 'inherit' })
        .catch((e) => log.verbose('cache', `could not create cache: ${e}`)))

// its ok if this fails. user might have specified an invalid dir
    // which we will tell them about at the end
    await this.time('npm:load:mkdirplogs', () =>
      fs.mkdir(this.logsDir, { recursive: true, owner: 'inherit' })
        .catch((e) => log.verbose('logfile', `could not create logs-dir: ${e}`)))

// note: this MUST be shorter than the actual argv length, because it
    // uses the same memory, so node will truncate it if it's too long.
    this.time('npm:load:setTitle', () => {
      const { parsedArgv: { cooked, remain } } = this.config
      this.argv = remain
      // Secrets are mostly in configs, so title is set using only the positional args
      // to keep those from being leaked.
      this.title = ['npm'].concat(replaceInfo(remain)).join(' ').trim()
      // The cooked argv is also logged separately for debugging purposes. It is
      // cleaned as a best effort by replacing known secrets like basic auth
      // password and strings that look like npm tokens. XXX: for this to be
      // safer the config should create a sanitized version of the argv as it
      // has the full context of what each option contains.
      this.#argvClean = replaceInfo(cooked)
      log.verbose('title', this.title)
      log.verbose('argv', this.#argvClean.map(JSON.stringify).join(' '))
    })

this.time('npm:load:display', () => {
      this.#display.load({
        // Use logColor since that is based on stderr
        color: this.logColor,
        progress: this.flatOptions.progress,
        silent: this.silent,
        timing: this.config.get('timing'),
        loglevel: this.config.get('loglevel'),
        unicode: this.config.get('unicode'),
        heading: this.config.get('heading'),
      })
      process.env.COLOR = this.color ? '1' : '0'
    })

this.time('npm:load:logFile', () => {
      this.#logFile.load({
        dir: this.logsDir,
        logsMax: this.config.get('logs-max'),
      })
      log.verbose('logfile', this.#logFile.files[0] || 'no logfile created')
    })

this.time('npm:load:timers', () =>
      this.#timers.load({
        dir: this.config.get('timing') ? this.timingDir : null,
      })
    )

this.time('npm:load:configScope', () => {
      const configScope = this.config.get('scope')
      if (configScope && !/^@/.test(configScope)) {
        this.config.set('scope', `@${configScope}`, this.config.find('scope'))
      }
    })
  }

get flatOptions () {
    const { flat } = this.config
    if (this.command) {
      flat.npmCommand = this.command
    }
    return flat
  }

// color and logColor are a special derived values that takes into
  // consideration not only the config, but whether or not we are operating
  // in a tty with the associated output (stdout/stderr)
  get color () {
    return this.flatOptions.color
  }

get chalk () {
    if (!this.#chalk) {
      let level = chalk.level
      if (!this.color) {
        level = 0
      }
      this.#chalk = new chalk.Instance({ level })
    }
    return this.#chalk
  }

get global () {
    return this.config.get('global') || this.config.get('location') === 'global'
  }

get logColor () {
    return this.flatOptions.logColor
  }

get silent () {
    return this.flatOptions.silent
  }

get lockfileVersion () {
    return 2
  }

get unfinishedTimers () {
    return this.#timers.unfinished
  }

get finishedTimers () {
    return this.#timers.finished
  }

get started () {
    return this.#timers.started
  }

get logFiles () {
    return this.#logFile.files
  }

get logsDir () {
    return this.config.get('logs-dir') || join(this.cache, '_logs')
  }

get timingFile () {
    return this.#timers.file
  }

get timingDir () {
    // XXX(npm9): make this always in logs-dir
    return this.config.get('logs-dir') || this.cache
  }

get cache () {
    return this.config.get('cache')
  }

set cache (r) {
    this.config.set('cache', r)
  }

get globalPrefix () {
    return this.config.globalPrefix
  }

set globalPrefix (r) {
    this.config.globalPrefix = r
  }

get localPrefix () {
    return this.config.localPrefix
  }

set localPrefix (r) {
    this.config.localPrefix = r
  }

get globalDir () {
    return process.platform !== 'win32'
      ? resolve(this.globalPrefix, 'lib', 'node_modules')
      : resolve(this.globalPrefix, 'node_modules')
  }

get localDir () {
    return resolve(this.localPrefix, 'node_modules')
  }

get dir () {
    return this.global ? this.globalDir : this.localDir
  }

get globalBin () {
    const b = this.globalPrefix
    return process.platform !== 'win32' ? resolve(b, 'bin') : b
  }

get localBin () {
    return resolve(this.dir, '.bin')
  }

get bin () {
    return this.global ? this.globalBin : this.localBin
  }

get prefix () {
    return this.global ? this.globalPrefix : this.localPrefix
  }

set prefix (r) {
    const k = this.global ? 'globalPrefix' : 'localPrefix'
    this[k] = r
  }

get usage () {
    return usage(this)
  }

// XXX add logging to see if we actually use this
  get tmp () {
    if (!this.#tmpFolder) {
      const rand = require('crypto').randomBytes(4).toString('hex')
      this.#tmpFolder = `npm-${process.pid}-${rand}`
    }
    return resolve(this.config.get('tmp'), this.#tmpFolder)
  }

// output to stdout in a progress bar compatible way
  output (...msg) {
    log.clearProgress()
    // eslint-disable-next-line no-console
    console.log(...msg)
    log.showProgress()
  }

outputError (...msg) {
    log.clearProgress()
    // eslint-disable-next-line no-console
    console.error(...msg)
    log.showProgress()
  }
}
module.exports = Npm

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2025-04-21 06:51:53
..	dir	-	root/root	0755	2025-04-21 06:51:54
auth	dir	-	root/root	0755	2025-04-21 06:51:53
commands	dir	-	root/root	0755	2025-04-21 06:51:53
utils	dir	-	root/root	0755	2025-04-21 06:51:53
workspaces	dir	-	root/root	0755	2025-04-21 06:51:53
arborist-cmd.js	text/plain	627 B	root/root	0644	2023-11-03 02:14:59
base-command.js	text/plain	2.81 KB	root/root	0644	2023-11-03 02:14:59
cli.js	text/plain	3.36 KB	root/root	0644	2023-11-03 02:14:59
lifecycle-cmd.js	text/plain	503 B	root/root	0644	2023-11-03 02:14:59
npm.js	text/plain	13.25 KB	root/root	0644	2023-11-03 02:14:59
package-url-cmd.js	text/plain	1.88 KB	root/root	0644	2023-11-03 02:14:59