FM / lib

/usr/lib/node_modules/npm/lib

Name	Size	Mode	Actions
auth/	-	0755	rm
config/	-	0755	rm
doctor/	-	0755	rm
install/	-	0755	rm
search/	-	0755	rm
utils/	-	0755	rm
access.js	5672	0644	edit dl rm
adduser.js	1337	0644	edit dl rm
audit.js	10811	0644	edit dl rm
bin.js	515	0644	edit dl rm
bugs.js	864	0644	edit dl rm
build.js	4545	0644	edit dl rm
cache.js	4773	0644	edit dl rm
ci.js	1341	0644	edit dl rm
completion.js	7278	0644	edit dl rm
config.js	7612	0644	edit dl rm
dedupe.js	4999	0644	edit dl rm
deprecate.js	2157	0644	edit dl rm
dist-tag.js	4204	0644	edit dl rm
docs.js	1063	0644	edit dl rm
doctor.js	4075	0644	edit dl rm
edit.js	1407	0644	edit dl rm
explore.js	1709	0644	edit dl rm
fetch-package-metadata.js	4064	0644	edit dl rm
fund.js	5026	0644	edit dl rm
get.js	235	0644	edit dl rm
help-search.js	5777	0644	edit dl rm
help.js	6507	0644	edit dl rm
hook.js	4727	0644	edit dl rm
init.js	2805	0644	edit dl rm
install-ci-test.js	486	0644	edit dl rm
install-test.js	507	0644	edit dl rm
install.js	37345	0644	edit dl rm
link.js	5739	0644	edit dl rm
logout.js	1289	0644	edit dl rm
ls.js	16480	0644	edit dl rm
npm.js	14719	0644	edit dl rm
org.js	4276	0644	edit dl rm
outdated.js	12572	0644	edit dl rm
owner.js	6754	0644	edit dl rm
pack.js	12068	0644	edit dl rm
ping.js	1141	0644	edit dl rm
prefix.js	330	0644	edit dl rm
profile.js	11401	0644	edit dl rm
prune.js	2281	0644	edit dl rm
publish.js	5264	0644	edit dl rm
rebuild.js	2143	0644	edit dl rm
repo.js	1471	0644	edit dl rm
restart.js	64	0644	edit dl rm
root.js	320	0644	edit dl rm
run-script.js	5540	0644	edit dl rm
search.js	3442	0644	edit dl rm
set.js	276	0644	edit dl rm
shrinkwrap.js	10056	0644	edit dl rm
star.js	2157	0644	edit dl rm
stars.js	1054	0644	edit dl rm
start.js	62	0644	edit dl rm
stop.js	61	0644	edit dl rm
substack.js	509	0644	edit dl rm
team.js	4724	0644	edit dl rm
test.js	374	0644	edit dl rm
token.js	6818	0644	edit dl rm
unbuild.js	4374	0644	edit dl rm
uninstall.js	2261	0644	edit dl rm
unpublish.js	3594	0644	edit dl rm
update.js	2213	0644	edit dl rm
version.js	10029	0644	edit dl rm
view.js	15473	0644	edit dl rm
visnup.js	4104	0644	edit dl rm
whoami.js	1809	0644	edit dl rm
xmas.js	1663	0644	edit dl rm

Edit: /usr/lib/node_modules/npm/lib/link.js (5739B)

// link with no args: symlink the folder to the global location
// link with package arg: symlink the global to the local

var npm = require('./npm.js')
var symlink = require('./utils/link.js')
var fs = require('graceful-fs')
var log = require('npmlog')
var asyncMap = require('slide').asyncMap
var chain = require('slide').chain
var path = require('path')
var build = require('./build.js')
var npa = require('npm-package-arg')
var usage = require('./utils/usage')
var output = require('./utils/output.js')

module.exports = link

link.usage = usage(
  'link',
  'npm link (in package dir)' +
  '\nnpm link [<@scope>/]<pkg>[@<version>]'
)

link.completion = function (opts, cb) {
  var dir = npm.globalDir
  fs.readdir(dir, function (er, files) {
    cb(er, files.filter(function (f) {
      return !f.match(/^[._-]/)
    }))
  })
}

function link (args, cb) {
  if (process.platform === 'win32') {
    var semver = require('semver')
    if (!semver.gte(process.version, '0.7.9')) {
      var msg = 'npm link not supported on windows prior to node 0.7.9'
      var e = new Error(msg)
      e.code = 'ENOTSUP'
      e.errno = require('constants').ENOTSUP // eslint-disable-line node/no-deprecated-api
      return cb(e)
    }
  }

if (npm.config.get('global')) {
    return cb(new Error(
      'link should never be --global.\n' +
      'Please re-run this command with --local'
    ))
  }

if (args.length === 1 && args[0] === '.') args = []
  if (args.length) return linkInstall(args, cb)
  linkPkg(npm.prefix, cb)
}

function parentFolder (id, folder) {
  if (id[0] === '@') {
    return path.resolve(folder, '..', '..')
  } else {
    return path.resolve(folder, '..')
  }
}

function linkInstall (pkgs, cb) {
  asyncMap(pkgs, function (pkg, cb) {
    var t = path.resolve(npm.globalDir, '..')
    var pp = path.resolve(npm.globalDir, pkg)
    var rp = null
    var target = path.resolve(npm.dir, pkg)

function n (er, data) {
      if (er) return cb(er, data)
      // we want the ONE thing that was installed into the global dir
      var installed = data.filter(function (info) {
        var id = info[0]
        var folder = info[1]
        return parentFolder(id, folder) === npm.globalDir
      })
      var id = installed[0][0]
      pp = installed[0][1]
      var what = npa(id)
      pkg = what.name
      target = path.resolve(npm.dir, pkg)
      next()
    }

// if it's a folder, a random not-installed thing, or not a scoped package,
    // then link or install it first
    if (pkg[0] !== '@' && (pkg.indexOf('/') !== -1 || pkg.indexOf('\\') !== -1)) {
      return fs.lstat(path.resolve(pkg), function (er, st) {
        if (er || !st.isDirectory()) {
          npm.commands.install(t, pkg, n)
        } else {
          rp = path.resolve(pkg)
          linkPkg(rp, n)
        }
      })
    }

fs.lstat(pp, function (er, st) {
      if (er) {
        rp = pp
        return npm.commands.install(t, [pkg], n)
      } else if (!st.isSymbolicLink()) {
        rp = pp
        next()
      } else {
        return fs.realpath(pp, function (er, real) {
          if (er) log.warn('invalid symbolic link', pkg)
          else rp = real
          next()
        })
      }
    })

function next () {
      if (npm.config.get('dry-run')) return resultPrinter(pkg, pp, target, rp, cb)
      chain(
        [
          [ function (cb) {
            log.verbose('link', 'symlinking %s to %s', pp, target)
            cb()
          } ],
          [symlink, pp, target, false, false],
          // do not run any scripts
          rp && [build, [target], npm.config.get('global'), build._noLC, true],
          [resultPrinter, pkg, pp, target, rp]
        ],
        cb
      )
    }
  }, cb)
}

function linkPkg (folder, cb_) {
  var me = folder || npm.prefix
  var readJson = require('read-package-json')

log.verbose('linkPkg', folder)

readJson(path.resolve(me, 'package.json'), function (er, d) {
    function cb (er) {
      return cb_(er, [[d && d._id, target, null, null]])
    }
    if (er) return cb(er)
    if (!d.name) {
      er = new Error('Package must have a name field to be linked')
      return cb(er)
    }
    var target = path.resolve(npm.globalDir, d.name)
    if (npm.config.get('dry-run')) return resultPrinter(path.basename(me), me, target, cb)
    symlink(me, target, false, true, function (er) {
      if (er) return cb(er)
      log.verbose('link', 'build target', target)
      // also install missing dependencies.
      npm.commands.install(me, [], function (er) {
        if (er) return cb(er)
        // build the global stuff.  Don't run *any* scripts, because
        // install command already will have done that.
        build([target], true, build._noLC, true, function (er) {
          if (er) return cb(er)
          resultPrinter(path.basename(me), me, target, cb)
        })
      })
    })
  })
}

function resultPrinter (pkg, src, dest, rp, cb) {
  if (typeof cb !== 'function') {
    cb = rp
    rp = null
  }
  var where = dest
  rp = (rp || '').trim()
  src = (src || '').trim()
  // XXX If --json is set, then look up the data from the package.json
  if (npm.config.get('parseable')) {
    return parseableOutput(dest, rp || src, cb)
  }
  if (rp === src) rp = null
  output(where + ' -> ' + src + (rp ? ' -> ' + rp : ''))
  cb()
}

function parseableOutput (dest, rp, cb) {
  // XXX this should match ls --parseable and install --parseable
  // look up the data from package.json, format it the same way.
  //
  // link is always effectively 'long', since it doesn't help much to
  // *just* print the target folder.
  // However, we don't actually ever read the version number, so
  // the second field is always blank.
  output(dest + '::' + rp)
  cb()
}

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