text: // run an npm command
  const spawn = require('@npmcli/promise-spawn')
  
  module.exports = (npmBin, npmCommand, cwd, env, extra) => {
    const isJS = npmBin.endsWith('.js')
    const cmd = isJS ? process.execPath : npmBin
    const args = (isJS ? [npmBin] : []).concat(npmCommand)
    // when installing to run the `prepare` script for a git dep, we need
    // to ensure that we don't run into a cycle of checking out packages
    // in temp directories.  this lets us link previously-seen repos that
    // are also being prepared.
  
    return spawn(cmd, args, { cwd, stdioString: true, env }, extra)
  }
  