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Name	Size	Permission
action	[ DIR ]	drwxr-xr-x
access-error.js	202 B	-rw-r--r--
actions.js	5.52 KB	-rw-r--r--
and-add-parent-to-errors.js	375 B	-rw-r--r--
and-finish-tracker.js	360 B	-rw-r--r--
and-ignore-errors.js	204 B	-rw-r--r--
audit.js	8.24 KB	-rw-r--r--
check-permissions.js	1.85 KB	-rw-r--r--
copy-tree.js	770 B	-rw-r--r--
decompose-actions.js	2.18 KB	-rw-r--r--
deps.js	30.18 KB	-rw-r--r--
diff-trees.js	9.12 KB	-rw-r--r--
exists.js	775 B	-rw-r--r--
flatten-tree.js	1021 B	-rw-r--r--
fund.js	1.28 KB	-rw-r--r--
get-requested.js	440 B	-rw-r--r--
has-modern-meta.js	702 B	-rw-r--r--
inflate-bundled.js	628 B	-rw-r--r--
inflate-shrinkwrap.js	8.08 KB	-rw-r--r--
is-dev-dep.js	175 B	-rw-r--r--
is-extraneous.js	618 B	-rw-r--r--
is-fs-access-available.js	763 B	-rw-r--r--
is-only-dev.js	1.24 KB	-rw-r--r--
is-only-optional.js	674 B	-rw-r--r--
is-opt-dep.js	185 B	-rw-r--r--
is-prod-dep.js	172 B	-rw-r--r--
module-staging-path.js	259 B	-rw-r--r--
mutate-into-logical-tree.js	4.52 KB	-rw-r--r--
node.js	1.85 KB	-rw-r--r--
read-shrinkwrap.js	3.67 KB	-rw-r--r--
realize-shrinkwrap-specifier.j...	621 B	-rw-r--r--
report-optional-failure.js	1.02 KB	-rw-r--r--
save.js	5.74 KB	-rw-r--r--
update-package-json.js	1.87 KB	-rw-r--r--
validate-args.js	2.73 KB	-rw-r--r--
validate-tree.js	3.1 KB	-rw-r--r--
writable.js	1 KB	-rw-r--r--

Code Editor : validate-args.js

'use strict'
var validate = require('aproba')
var asyncMap = require('slide').asyncMap
var chain = require('slide').chain
var npmInstallChecks = require('npm-install-checks')
var iferr = require('iferr')
var checkEngine = npmInstallChecks.checkEngine
var checkPlatform = npmInstallChecks.checkPlatform
var npm = require('../npm.js')

module.exports = function (idealTree, args, next) {
  validate('OAF', arguments)
  var force = npm.config.get('force')

asyncMap(args, function (pkg, done) {
    chain([
      [hasMinimumFields, pkg],
      [checkSelf, idealTree, pkg, force],
      [isInstallable, idealTree, pkg]
    ], done)
  }, next)
}

function hasMinimumFields (pkg, cb) {
  if (pkg.name === '' || pkg.name == null) {
    return cb(new Error(`Can't install ${pkg._resolved}: Missing package name`))
  } else if (pkg.version === '' || pkg.version == null) {
    return cb(new Error(`Can't install ${pkg._resolved}: Missing package version`))
  } else {
    return cb()
  }
}

function setWarnings (idealTree, warn) {
  function top (tree) {
    if (tree.parent) return top(tree.parent)
    return tree
  }

var topTree = top(idealTree)
  if (!topTree.warnings) topTree.warnings = []

if (topTree.warnings.every(i => (
    i.code !== warn.code ||
    i.required !== warn.required ||
    i.pkgid !== warn.pkgid))) {
    topTree.warnings.push(warn)
  }
}

var isInstallable = module.exports.isInstallable = function (idealTree, pkg, next) {
  var force = npm.config.get('force')
  var nodeVersion = npm.config.get('node-version')
  if (/-/.test(nodeVersion)) {
    // for the purposes of validation, if the node version is a prerelease,
    // strip that. We check and warn about this sceanrio over in validate-tree.
    nodeVersion = nodeVersion.replace(/-.*/, '')
  }
  var strict = npm.config.get('engine-strict')
  checkEngine(pkg, npm.version, nodeVersion, force, strict, iferr(next, thenWarnEngineIssues))
  function thenWarnEngineIssues (warn) {
    if (idealTree && warn) setWarnings(idealTree, warn)
    checkPlatform(pkg, force, next)
  }
}

function checkSelf (idealTree, pkg, force, next) {
  if (idealTree.package && idealTree.package.name !== pkg.name) return next()
  if (force) {
    var warn = new Error("Wouldn't install " + pkg.name + ' as a dependency of itself, but being forced')
    warn.code = 'ENOSELF'
    idealTree.warnings.push(warn)
    next()
  } else {
    var er = new Error('Refusing to install package with name "' + pkg.name +
     '" under a package\n' +
     'also called "' + pkg.name + '". Did you name your project the same\n' +
     'as the dependency you\'re installing?\n\n' +
     'For more information, see:\n' +
     '    <https://docs.npmjs.com/cli/install#limitations-of-npms-install-algorithm>')
    er.code = 'ENOSELF'
    next(er)
  }
}

${this.title}

Code Editor : validate-args.js