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// Separated out for easier unit testing
module.exports = async (process, validateEngines) => {
  // set it here so that regardless of what happens later, we don't leak any private CLI configs to other programs
  process.title = 'npm'

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

  const satisfies = require('semver/functions/satisfies')
  const ExitHandler = require('./exit-handler.js')
  const exitHandler = new ExitHandler({ process })
  const Npm = require('../npm.js')
  const npm = new Npm()
  exitHandler.setNpm(npm)

  // only log node and npm paths in argv initially since argv can contain sensitive info. a cleaned version will be logged later
  const { log, output } = require('proc-log')
  log.verbose('cli', process.argv.slice(0, 2).join(' '))
  log.info('using', 'npm@%s', npm.version)
  log.info('using', 'node@%s', process.version)

  // At this point we've required a few files and can be pretty sure we don't contain invalid syntax for this version of node.
  // It's possible a lazy require would, but that's unlikely enough that it's not worth catching anymore and we attach the more important exit handlers.
  validateEngines.off()
  exitHandler.registerUncaughtHandlers()

  // It is now safe to log a warning if they are using a version of node that is not going to fail on syntax errors but is still unsupported and untested and might not work reliably.
  // This is safe to use the logger now which we want since this will show up in the error log too.
  if (!satisfies(validateEngines.node, validateEngines.engines)) {
    log.warn('cli', validateEngines.unsupportedMessage)
  }

  // Now actually fire up npm and run the command.
  // This is how to use npm programmatically:
  try {
    const { exec, command, args } = await npm.load()

    if (!exec) {
      return exitHandler.exit()
    }

    if (!command) {
      output.standard(npm.usage)
      process.exitCode = 1
      return exitHandler.exit()
    }

    // Options are prefixed by a hyphen-minus (-, \u2d).
    // Other dash-type chars look similar but are invalid.
    const nonDashArgs = npm.argv.filter(a => /^[\u2010-\u2015\u2212\uFE58\uFE63\uFF0D]/.test(a))
    if (nonDashArgs.length) {
      log.error(
        'arg',
        'Argument starts with non-ascii dash, this is probably invalid:',
        require('@npmcli/redact').redactLog(nonDashArgs.join(', '))
      )
    }

    const execPromise = npm.exec(command, args)

    // this is async but we don't 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
    const updateNotifier = require('./update-notifier.js')
    // eslint-disable-next-line promise/catch-or-return
    updateNotifier(npm).then((msg) => (npm.updateNotification = msg))

    await execPromise
    return exitHandler.exit()
  } catch (err) {
    return exitHandler.exit(err)
  }
}