Function errorMessage

deps/npm/lib/utils/error-message.js:6–372

(er, npm)

const { log } = require('proc-log')

const errorMessage = (er, npm) => {
  const summary = []
  const detail = []
  const files = []
  let json

  er.message &&= replaceInfo(er.message)
  er.stack &&= replaceInfo(er.stack)

  switch (er.code) {
    case 'ERESOLVE': {
      const { report } = require('./explain-eresolve.js')
      summary.push(['ERESOLVE', er.message])
      detail.push(['', ''])
      // XXX(display): error messages are logged so we use the logColor since that is based on stderr.
      // This should be handled solely by the display layer so it could also be printed to stdout if necessary.
      const { explanation, file } = report(er, npm.logChalk, npm.noColorChalk)
      detail.push(['', explanation])
      files.push(['eresolve-report.txt', file])
      break
    }

    case 'ENOLOCK': {
      const cmd = npm.command || ''
      summary.push([cmd, 'This command requires an existing lockfile.'])
      detail.push([cmd, 'Try creating one first with: npm i --package-lock-only'])
      detail.push([cmd, `Original error: ${er.message}`])
      break
    }

    case 'ENOAUDIT':
      summary.push(['audit', er.message])
      break

    case 'ECONNREFUSED':
      summary.push(['', er])
      detail.push(['', [
        '',
        `If you are behind a proxy, please make sure that the 'proxy' config is set properly.  See: 'npm help config'`,
      ].join('\n')])
      break

    case 'EACCES':
    case 'EPERM': {
      const isCachePath =
        typeof er.path === 'string' && npm.loaded && er.path.startsWith(npm.config.get('cache'))
      const isCacheDest =
        typeof er.dest === 'string' && npm.loaded && er.dest.startsWith(npm.config.get('cache'))

      if (process.platform !== 'win32' && (isCachePath || isCacheDest)) {
        // user probably doesn't need this, but still add it to the debug log
        log.verbose(er.stack)
        summary.push(['', [
          '',
          'Your cache folder contains root-owned files, due to a bug in previous versions of npm which has since been addressed.',
          '',
          'To permanently fix this problem, please run:',
          `  sudo chown -R ${process.getuid()}:${process.getgid()} "${npm.config.get('cache')}"`,