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Edit File : validate-args.js \| Size : 2.73 KB
'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) } } Back

Edit File : validate-args.js | Size : 2.73 KB

'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)
  }
}

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