npmrcd/bin/npmrcd.js

CLI that installs a daemon/agent that will automatically switch between npm registries on a developer machine.

#!/usr/bin/env node

'use strict'

const log = require('barelog').withoutTimestamps
const yargs = require('yargs')
const cert = require('../lib/ca-cert')
const npmrc = require('../lib/npmrc')
const config = require('../lib/config')
const daemon = require('../lib/daemon')

yargs.help(
  true,
  'npmrcd \n' +
  '\n' +
  '  Automatically switch between npm registries based on availability.\n\n' +
  '\n' +
  'Example:\n\n' +
  '  # Create a "work" and "default" profile, then setup the daemon\n' +
  '  # Also, configure the daemon to switch if on "Acme Guest" WiFi\n' +
  '  # SSID. Multiple "triggerssid" flags are supported :\n' +
  '  $ npmrcd setup --registry $URL --cafile $PATH --triggerssid "Acme Guest" \n\n' +
  '  # Remove the daemon (doesn\'t remove .npmrc files) \n' +
  '  $ npmrcd remove'
)

const argv = yargs.argv

;(async function main () {
  if (process.argv[2] === 'setup') {
    setup()
  } else if (process.argv[2] === 'remove') {
    remove()
  } else {
    yargs.showHelp()
  }
})()

async function remove () {
  log('Removing npmrc daemon.')
  await daemon.remove()
  log('Successfully removed. Your .npmrc configs are still available in ~/.npmrcs')
}

async function setup () {
  if (!argv.registry) {
    log('\nPlease supply a --registry parameter for your registry URL\n')
    process.exit(1)
  }

  // (Re)initialise the ~/.npmrcd directory
  config.initialise(argv.force)

  // The CA file is optional, so copy/download it if necessary
  let caFilepath = null
  if (argv.cafile) {
    try {
      caFilepath = await cert.setup(argv.cafile)
    } catch (e) {
      log(`Failed to download/copy the CA from ${argv.cafile} to ${cert.generateCaFilepath(argv.cafile)}`)
      log(e)
      process.exit(1)
    }
  }

  log(`Writing settings to ${config.getConfigDirectory()}`)
  config.setWorkSettings(
    argv.registry,
    caFilepath,
    formatTriggerSSIDs(argv.triggerssid)
  )

  await npmrc.setupProfiles(argv.registry, caFilepath)
  await npmrc.enableDefaultProfile()
  await daemon.setup()

  /**
   * Even if a single trigger ssid is given we need to pass an array to config
   * @param {String|String[]|undefined} triggers
   */
  function formatTriggerSSIDs (triggers = []) {
    if (Array.isArray(triggers)) {
      return triggers
    } else {
      return [triggers]
    }
  }
}