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1#!/usr/bin/env node2 3const run = conf => {4  const pacote = require('../')5  switch (conf._[0]) {6    case 'resolve':7    case 'manifest':8    case 'packument':9      if (conf._[0] === 'resolve' && conf.long) {10        return pacote.manifest(conf._[1], conf).then(mani => ({11          resolved: mani._resolved,12          integrity: mani._integrity,13          from: mani._from,14        }))15      }16      return pacote[conf._[0]](conf._[1], conf)17 18    case 'tarball':19      if (!conf._[2] || conf._[2] === '-') {20        return pacote.tarball.stream(conf._[1], stream => {21          stream.pipe(22            conf.testStdout ||23            /* istanbul ignore next */24            process.stdout25          )26          // make sure it resolves something falsey27          return stream.promise().then(() => {28            return false29          })30        }, conf)31      } else {32        return pacote.tarball.file(conf._[1], conf._[2], conf)33      }34 35    case 'extract':36      return pacote.extract(conf._[1], conf._[2], conf)37 38    default: /* istanbul ignore next */ {39      throw new Error(`bad command: ${conf._[0]}`)40    }41  }42}43 44const version = require('../package.json').version45const usage = () =>46`Pacote - The JavaScript Package Handler, v${version}47 48Usage:49 50  pacote resolve <spec>51    Resolve a specifier and output the fully resolved target52    Returns integrity and from if '--long' flag is set.53 54  pacote manifest <spec>55    Fetch a manifest and print to stdout56 57  pacote packument <spec>58    Fetch a full packument and print to stdout59 60  pacote tarball <spec> [<filename>]61    Fetch a package tarball and save to <filename>62    If <filename> is missing or '-', the tarball will be streamed to stdout.63 64  pacote extract <spec> <folder>65    Extract a package to the destination folder.66 67Configuration values all match the names of configs passed to npm, or68options passed to Pacote.  Additional flags for this executable:69 70  --long     Print an object from 'resolve', including integrity and spec.71  --json     Print result objects as JSON rather than node's default.72             (This is the default if stdout is not a TTY.)73  --help -h  Print this helpful text.74 75For example '--cache=/path/to/folder' will use that folder as the cache.76`77 78const shouldJSON = (conf, result) =>79  conf.json ||80  !process.stdout.isTTY &&81  conf.json === undefined &&82  result &&83  typeof result === 'object'84 85const pretty = (conf, result) =>86  shouldJSON(conf, result) ? JSON.stringify(result, 0, 2) : result87 88let addedLogListener = false89const main = args => {90  const conf = parse(args)91  if (conf.help || conf.h) {92    return console.log(usage())93  }94 95  if (!addedLogListener) {96    process.on('log', console.error)97    addedLogListener = true98  }99 100  try {101    return run(conf)102      .then(result => result && console.log(pretty(conf, result)))103      .catch(er => {104        console.error(er)105        process.exit(1)106      })107  } catch (er) {108    console.error(er.message)109    console.error(usage())110  }111}112 113const parseArg = arg => {114  const split = arg.slice(2).split('=')115  const k = split.shift()116  const v = split.join('=')117  const no = /^no-/.test(k) && !v118  const key = (no ? k.slice(3) : k)119    .replace(/^tag$/, 'defaultTag')120    .replace(/-([a-z])/g, (_, c) => c.toUpperCase())121  const value = v ? v.replace(/^~/, process.env.HOME) : !no122  return { key, value }123}124 125const parse = args => {126  const conf = {127    _: [],128    cache: process.env.HOME + '/.npm/_cacache',129  }130  let dashdash = false131  args.forEach(arg => {132    if (dashdash) {133      conf._.push(arg)134    } else if (arg === '--') {135      dashdash = true136    } else if (arg === '-h') {137      conf.help = true138    } else if (/^--/.test(arg)) {139      const { key, value } = parseArg(arg)140      conf[key] = value141    } else {142      conf._.push(arg)143    }144  })145  return conf146}147 148if (module === require.main) {149  main(process.argv.slice(2))150} else {151  module.exports = {152    main,153    run,154    usage,155    parseArg,156    parse,157  }158}159