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Mini Shell
Mini Shell
'use strict'
/* eslint-disable camelcase */
/* eslint-disable standard/no-callback-literal */
// npm install <pkg> <pkg> <pkg>
//
// See doc/cli/npm-install.md for more description
//
// Managing contexts...
// there's a lot of state associated with an "install" operation, including
// packages that are already installed, parent packages, current shrinkwrap, and
// so on. We maintain this state in a "context" object that gets passed around.
// every time we dive into a deeper node_modules folder, the "family" list that
// gets passed along uses the previous "family" list as its __proto__. Any
// "resolved precise dependency" things that aren't already on this object get
// added, and then that's passed to the next generation of installation.
module.exports = install
module.exports.Installer = Installer
var usage = require('./utils/usage')
install.usage = usage(
'install',
'\nnpm install (with no args, in package dir)' +
'\nnpm install [<@scope>/]<pkg>' +
'\nnpm install [<@scope>/]<pkg>@<tag>' +
'\nnpm install [<@scope>/]<pkg>@<version>' +
'\nnpm install [<@scope>/]<pkg>@<version range>' +
'\nnpm install <alias>@npm:<name>' +
'\nnpm install <folder>' +
'\nnpm install <tarball file>' +
'\nnpm install <tarball url>' +
'\nnpm install <git:// url>' +
'\nnpm install <github username>/<github project>',
'[--save-prod|--save-dev|--save-optional] [--save-exact] [--no-save]'
)
install.completion = function (opts, cb) {
validate('OF', arguments)
// install can complete to a folder with a package.json, or any package.
// if it has a slash, then it's gotta be a folder
// if it starts with https?://, then just give up, because it's a url
if (/^https?:\/\//.test(opts.partialWord)) {
// do not complete to URLs
return cb(null, [])
}
if (/\//.test(opts.partialWord)) {
// Complete fully to folder if there is exactly one match and it
// is a folder containing a package.json file. If that is not the
// case we return 0 matches, which will trigger the default bash
// complete.
var lastSlashIdx = opts.partialWord.lastIndexOf('/')
var partialName = opts.partialWord.slice(lastSlashIdx + 1)
var partialPath = opts.partialWord.slice(0, lastSlashIdx)
if (partialPath === '') partialPath = '/'
var annotatePackageDirMatch = function (sibling, cb) {
var fullPath = path.join(partialPath, sibling)
if (sibling.slice(0, partialName.length) !== partialName) {
return cb(null, null) // not name match
}
fs.readdir(fullPath, function (err, contents) {
if (err) return cb(null, { isPackage: false })
cb(
null,
{
fullPath: fullPath,
isPackage: contents.indexOf('package.json') !== -1
}
)
})
}
return fs.readdir(partialPath, function (err, siblings) {
if (err) return cb(null, []) // invalid dir: no matching
asyncMap(siblings, annotatePackageDirMatch, function (err, matches) {
if (err) return cb(err)
var cleaned = matches.filter(function (x) { return x !== null })
if (cleaned.length !== 1) return cb(null, [])
if (!cleaned[0].isPackage) return cb(null, [])
// Success - only one match and it is a package dir
return cb(null, [cleaned[0].fullPath])
})
})
}
// FIXME: there used to be registry completion here, but it stopped making
// sense somewhere around 50,000 packages on the registry
cb()
}
// system packages
var fs = require('fs')
var path = require('path')
// dependencies
var log = require('npmlog')
var readPackageTree = require('read-package-tree')
var readPackageJson = require('read-package-json')
var chain = require('slide').chain
var asyncMap = require('slide').asyncMap
var archy = require('archy')
var mkdirp = require('gentle-fs').mkdir
var rimraf = require('rimraf')
var iferr = require('iferr')
var validate = require('aproba')
var uniq = require('lodash.uniq')
var Bluebird = require('bluebird')
// npm internal utils
var npm = require('./npm.js')
var locker = require('./utils/locker.js')
var lock = locker.lock
var unlock = locker.unlock
var parseJSON = require('./utils/parse-json.js')
var output = require('./utils/output.js')
var saveMetrics = require('./utils/metrics.js').save
// install specific libraries
var copyTree = require('./install/copy-tree.js')
var readShrinkwrap = require('./install/read-shrinkwrap.js')
var computeMetadata = require('./install/deps.js').computeMetadata
var prefetchDeps = require('./install/deps.js').prefetchDeps
var loadDeps = require('./install/deps.js').loadDeps
var loadDevDeps = require('./install/deps.js').loadDevDeps
var getAllMetadata = require('./install/deps.js').getAllMetadata
var loadRequestedDeps = require('./install/deps.js').loadRequestedDeps
var loadExtraneous = require('./install/deps.js').loadExtraneous
var diffTrees = require('./install/diff-trees.js')
var checkPermissions = require('./install/check-permissions.js')
var decomposeActions = require('./install/decompose-actions.js')
var validateTree = require('./install/validate-tree.js')
var validateArgs = require('./install/validate-args.js')
var saveRequested = require('./install/save.js').saveRequested
var saveShrinkwrap = require('./install/save.js').saveShrinkwrap
var audit = require('./install/audit.js')
var {
getPrintFundingReport,
getPrintFundingReportJSON
} = require('./install/fund.js')
var getSaveType = require('./install/save.js').getSaveType
var doSerialActions = require('./install/actions.js').doSerial
var doReverseSerialActions = require('./install/actions.js').doReverseSerial
var doParallelActions = require('./install/actions.js').doParallel
var doOneAction = require('./install/actions.js').doOne
var removeObsoleteDep = require('./install/deps.js').removeObsoleteDep
var removeExtraneous = require('./install/deps.js').removeExtraneous
var computeVersionSpec = require('./install/deps.js').computeVersionSpec
var packageId = require('./utils/package-id.js')
var moduleName = require('./utils/module-name.js')
var errorMessage = require('./utils/error-message.js')
var isExtraneous = require('./install/is-extraneous.js')
function unlockCB (lockPath, name, cb) {
validate('SSF', arguments)
return function (installEr) {
var args = arguments
try {
unlock(lockPath, name, reportErrorAndReturn)
} catch (unlockEx) {
process.nextTick(function () {
reportErrorAndReturn(unlockEx)
})
}
function reportErrorAndReturn (unlockEr) {
if (installEr) {
if (unlockEr && unlockEr.code !== 'ENOTLOCKED') {
log.warn('unlock' + name, unlockEr)
}
return cb.apply(null, args)
}
if (unlockEr) return cb(unlockEr)
return cb.apply(null, args)
}
}
}
function install (where, args, cb) {
if (!cb) {
cb = args
args = where
where = null
}
var globalTop = path.resolve(npm.globalDir, '..')
if (!where) {
where = npm.config.get('global')
? globalTop
: npm.prefix
}
validate('SAF', [where, args, cb])
// the /path/to/node_modules/..
var dryrun = !!npm.config.get('dry-run')
if (npm.config.get('dev')) {
log.warn('install', 'Usage of the `--dev` option is deprecated. Use `--only=dev` instead.')
}
if (where === globalTop && !args.length) {
args = ['.']
}
args = args.filter(function (a) {
return path.resolve(a) !== npm.prefix
})
new Installer(where, dryrun, args).run(cb)
}
function Installer (where, dryrun, args, opts) {
validate('SBA|SBAO', arguments)
if (!opts) opts = {}
this.where = where
this.dryrun = dryrun
this.args = args
// fakechildren are children created from the lockfile and lack relationship data
// the only exist when the tree does not match the lockfile
// this is fine when doing full tree installs/updates but not ok when modifying only
// a few deps via `npm install` or `npm uninstall`.
this.currentTree = null
this.idealTree = null
this.differences = []
this.todo = []
this.progress = {}
this.noPackageJsonOk = !!args.length
this.topLevelLifecycles = !args.length
this.autoPrune = npm.config.get('package-lock')
const dev = npm.config.get('dev')
const only = npm.config.get('only')
const onlyProd = /^prod(uction)?$/.test(only)
const onlyDev = /^dev(elopment)?$/.test(only)
const prod = npm.config.get('production')
this.dev = opts.dev != null ? opts.dev : dev || (!onlyProd && !prod) || onlyDev
this.prod = opts.prod != null ? opts.prod : !onlyDev
this.packageLockOnly = opts.packageLockOnly != null
? opts.packageLockOnly : npm.config.get('package-lock-only')
this.rollback = opts.rollback != null ? opts.rollback : npm.config.get('rollback')
this.link = opts.link != null ? opts.link : npm.config.get('link')
this.saveOnlyLock = opts.saveOnlyLock
this.global = opts.global != null ? opts.global : this.where === path.resolve(npm.globalDir, '..')
this.audit = npm.config.get('audit') && !this.global
this.fund = npm.config.get('fund') && !this.global
this.started = Date.now()
}
Installer.prototype = {}
Installer.prototype.run = function (_cb) {
validate('F|', arguments)
var result
var cb
if (_cb) {
cb = function (err) {
saveMetrics(!err)
return _cb.apply(this, arguments)
}
} else {
result = new Promise((resolve, reject) => {
cb = (err, value) => err ? reject(err) : resolve(value)
})
}
// FIXME: This is bad and I should feel bad.
// lib/install needs to have some way of sharing _limited_
// state with the things it calls. Passing the object is too
// much. The global config is WAY too much. =( =(
// But not having this is gonna break linked modules in
// subtle stupid ways, and refactoring all this code isn't
// the right thing to do just yet.
if (this.global) {
var prevGlobal = npm.config.get('global')
npm.config.set('global', true)
var next = cb
cb = function () {
npm.config.set('global', prevGlobal)
next.apply(null, arguments)
}
}
var installSteps = []
var postInstallSteps = []
if (!this.dryrun) {
installSteps.push(
[this.newTracker(log, 'runTopLevelLifecycles', 2)],
[this, this.runPreinstallTopLevelLifecycles])
}
installSteps.push(
[this.newTracker(log, 'loadCurrentTree', 4)],
[this, this.loadCurrentTree],
[this, this.finishTracker, 'loadCurrentTree'],
[this.newTracker(log, 'loadIdealTree', 12)],
[this, this.loadIdealTree],
[this, this.finishTracker, 'loadIdealTree'],
[this, this.debugTree, 'currentTree', 'currentTree'],
[this, this.debugTree, 'idealTree', 'idealTree'],
[this.newTracker(log, 'generateActionsToTake')],
[this, this.generateActionsToTake],
[this, this.finishTracker, 'generateActionsToTake'],
[this, this.debugActions, 'diffTrees', 'differences'],
[this, this.debugActions, 'decomposeActions', 'todo'],
[this, this.startAudit]
)
if (this.packageLockOnly) {
postInstallSteps.push(
[this, this.saveToDependencies])
} else if (!this.dryrun) {
installSteps.push(
[this.newTracker(log, 'executeActions', 8)],
[this, this.executeActions],
[this, this.finishTracker, 'executeActions'])
var node_modules = path.resolve(this.where, 'node_modules')
var staging = path.resolve(node_modules, '.staging')
postInstallSteps.push(
[this.newTracker(log, 'rollbackFailedOptional', 1)],
[this, this.rollbackFailedOptional, staging, this.todo],
[this, this.finishTracker, 'rollbackFailedOptional'],
[this, this.commit, staging, this.todo],
[this, this.runPostinstallTopLevelLifecycles],
[this, this.finishTracker, 'runTopLevelLifecycles']
)
if (getSaveType()) {
postInstallSteps.push(
// this is necessary as we don't fill in `dependencies` and `devDependencies` in deps loaded from shrinkwrap
// until after we extract them
[this, (next) => { computeMetadata(this.idealTree); next() }],
[this, this.pruneIdealTree],
[this, this.debugLogicalTree, 'saveTree', 'idealTree'],
[this, this.saveToDependencies])
}
}
postInstallSteps.push(
[this, this.printWarnings],
[this, this.printInstalled])
var self = this
chain(installSteps, function (installEr) {
if (installEr) self.failing = true
chain(postInstallSteps, function (postInstallEr) {
if (installEr && postInstallEr) {
var msg = errorMessage(postInstallEr)
msg.summary.forEach(function (logline) {
log.warn.apply(log, logline)
})
msg.detail.forEach(function (logline) {
log.verbose.apply(log, logline)
})
}
cb(installEr || postInstallEr, self.getInstalledModules(), self.idealTree)
})
})
return result
}
Installer.prototype.loadArgMetadata = function (next) {
getAllMetadata(this.args, this.currentTree, process.cwd(), iferr(next, (args) => {
this.args = args
next()
}))
}
Installer.prototype.newTracker = function (tracker, name, size) {
validate('OS', [tracker, name])
if (size) validate('N', [size])
this.progress[name] = tracker.newGroup(name, size)
return function (next) {
process.emit('time', 'stage:' + name)
next()
}
}
Installer.prototype.finishTracker = function (name, cb) {
validate('SF', arguments)
process.emit('timeEnd', 'stage:' + name)
cb()
}
Installer.prototype.loadCurrentTree = function (cb) {
validate('F', arguments)
log.silly('install', 'loadCurrentTree')
var todo = []
if (this.global) {
todo.push([this, this.readGlobalPackageData])
} else {
todo.push([this, this.readLocalPackageData])
}
todo.push([this, this.normalizeCurrentTree])
chain(todo, cb)
}
var createNode = require('./install/node.js').create
var flatNameFromTree = require('./install/flatten-tree.js').flatNameFromTree
Installer.prototype.normalizeCurrentTree = function (cb) {
this.currentTree.isTop = true
normalizeTree(this.currentTree)
// If the user didn't have a package.json then fill in deps with what was on disk
if (this.currentTree.error) {
for (let child of this.currentTree.children) {
if (!child.fakeChild && isExtraneous(child)) {
this.currentTree.package.dependencies[moduleName(child)] = computeVersionSpec(this.currentTree, child)
}
}
}
computeMetadata(this.currentTree)
return cb()
function normalizeTree (tree, seen) {
if (!seen) seen = new Set()
if (seen.has(tree)) return
seen.add(tree)
createNode(tree)
tree.location = flatNameFromTree(tree)
tree.children.forEach((child) => normalizeTree(child, seen))
}
}
Installer.prototype.loadIdealTree = function (cb) {
validate('F', arguments)
log.silly('install', 'loadIdealTree')
chain([
[this.newTracker(this.progress.loadIdealTree, 'loadIdealTree:cloneCurrentTree')],
[this, this.cloneCurrentTreeToIdealTree],
[this, this.finishTracker, 'loadIdealTree:cloneCurrentTree'],
[this.newTracker(this.progress.loadIdealTree, 'loadIdealTree:loadShrinkwrap')],
[this, this.loadShrinkwrap],
[this, this.finishTracker, 'loadIdealTree:loadShrinkwrap'],
[this.newTracker(this.progress.loadIdealTree, 'loadIdealTree:loadAllDepsIntoIdealTree', 10)],
[this, this.loadAllDepsIntoIdealTree],
[this, this.finishTracker, 'loadIdealTree:loadAllDepsIntoIdealTree'],
[this, function (next) { computeMetadata(this.idealTree); next() }],
[this, this.pruneIdealTree]
], cb)
}
Installer.prototype.pruneIdealTree = function (cb) {
if (!this.idealTree) return cb()
// if our lock file didn't have the requires field and there
// are any fake children then forgo pruning until we have more info.
if (!this.idealTree.hasRequiresFromLock && this.idealTree.children.some((n) => n.fakeChild)) return cb()
const toPrune = this.idealTree.children
.filter((child) => isExtraneous(child) && (this.autoPrune || child.removing))
.map((n) => ({name: moduleName(n)}))
return removeExtraneous(toPrune, this.idealTree, cb)
}
Installer.prototype.loadAllDepsIntoIdealTree = function (cb) {
validate('F', arguments)
log.silly('install', 'loadAllDepsIntoIdealTree')
var saveDeps = getSaveType()
var cg = this.progress['loadIdealTree:loadAllDepsIntoIdealTree']
var installNewModules = !!this.args.length
var steps = []
if (installNewModules) {
steps.push([validateArgs, this.idealTree, this.args])
steps.push([loadRequestedDeps, this.args, this.idealTree, saveDeps, cg.newGroup('loadRequestedDeps')])
} else {
const depsToPreload = Object.assign({},
this.idealTree.package.devDependencies,
this.idealTree.package.dependencies
)
steps.push(
[prefetchDeps, this.idealTree, depsToPreload, cg.newGroup('prefetchDeps')],
[loadDeps, this.idealTree, cg.newGroup('loadDeps')],
[loadDevDeps, this.idealTree, cg.newGroup('loadDevDeps')])
}
steps.push(
[loadExtraneous.andResolveDeps, this.idealTree, cg.newGroup('loadExtraneous')])
chain(steps, cb)
}
Installer.prototype.generateActionsToTake = function (cb) {
validate('F', arguments)
log.silly('install', 'generateActionsToTake')
var cg = this.progress.generateActionsToTake
chain([
[validateTree, this.idealTree, cg.newGroup('validateTree')],
[diffTrees, this.currentTree, this.idealTree, this.differences, cg.newGroup('diffTrees')],
[this, this.computeLinked],
[checkPermissions, this.differences],
[decomposeActions, this.differences, this.todo]
], cb)
}
Installer.prototype.computeLinked = function (cb) {
validate('F', arguments)
if (!this.link || this.global) return cb()
var linkTodoList = []
var self = this
asyncMap(this.differences, function (action, next) {
var cmd = action[0]
var pkg = action[1]
if (cmd !== 'add' && cmd !== 'update') return next()
var isReqByTop = pkg.requiredBy.filter(function (mod) { return mod.isTop }).length
var isReqByUser = pkg.userRequired
var isExtraneous = pkg.requiredBy.length === 0
if (!isReqByTop && !isReqByUser && !isExtraneous) return next()
isLinkable(pkg, function (install, link) {
if (install) linkTodoList.push(['global-install', pkg])
if (link) linkTodoList.push(['global-link', pkg])
if (install || link) removeObsoleteDep(pkg)
next()
})
}, function () {
if (linkTodoList.length === 0) return cb()
self.differences.length = 0
Array.prototype.push.apply(self.differences, linkTodoList)
diffTrees(self.currentTree, self.idealTree, self.differences, log.newGroup('d2'), cb)
})
}
function isLinkable (pkg, cb) {
var globalPackage = path.resolve(npm.globalPrefix, 'lib', 'node_modules', moduleName(pkg))
var globalPackageJson = path.resolve(globalPackage, 'package.json')
fs.stat(globalPackage, function (er) {
if (er) return cb(true, true)
fs.readFile(globalPackageJson, function (er, data) {
var json = parseJSON.noExceptions(data)
cb(false, json && json.version === pkg.package.version)
})
})
}
Installer.prototype.executeActions = function (cb) {
validate('F', arguments)
log.silly('install', 'executeActions')
var todo = this.todo
var cg = this.progress.executeActions
var node_modules = path.resolve(this.where, 'node_modules')
var staging = path.resolve(node_modules, '.staging')
var steps = []
var trackLifecycle = cg.newGroup('lifecycle')
cb = unlockCB(node_modules, '.staging', cb)
steps.push(
[doSerialActions, 'global-install', staging, todo, trackLifecycle.newGroup('global-install')],
[lock, node_modules, '.staging'],
[rimraf, staging],
[doParallelActions, 'extract', staging, todo, cg.newGroup('extract', 100)],
[doReverseSerialActions, 'unbuild', staging, todo, cg.newGroup('unbuild')],
[doSerialActions, 'remove', staging, todo, cg.newGroup('remove')],
[doSerialActions, 'move', staging, todo, cg.newGroup('move')],
[doSerialActions, 'finalize', staging, todo, cg.newGroup('finalize')],
[doParallelActions, 'refresh-package-json', staging, todo, cg.newGroup('refresh-package-json')],
[doParallelActions, 'preinstall', staging, todo, trackLifecycle.newGroup('preinstall')],
[doSerialActions, 'build', staging, todo, trackLifecycle.newGroup('build')],
[doSerialActions, 'global-link', staging, todo, trackLifecycle.newGroup('global-link')],
[doParallelActions, 'update-linked', staging, todo, trackLifecycle.newGroup('update-linked')],
[doSerialActions, 'install', staging, todo, trackLifecycle.newGroup('install')],
[doSerialActions, 'postinstall', staging, todo, trackLifecycle.newGroup('postinstall')])
var self = this
chain(steps, function (er) {
if (!er || self.rollback) {
rimraf(staging, function () { cb(er) })
} else {
cb(er)
}
})
}
Installer.prototype.rollbackFailedOptional = function (staging, actionsToRun, cb) {
if (!this.rollback) return cb()
var failed = uniq(actionsToRun.map(function (action) {
return action[1]
}).filter(function (pkg) {
return pkg.failed && pkg.rollback
}))
var top = this.currentTree && this.currentTree.path
Bluebird.map(failed, (pkg) => {
return Bluebird.map(pkg.rollback, (rollback) => rollback(top, staging, pkg))
}).asCallback(cb)
}
Installer.prototype.commit = function (staging, actionsToRun, cb) {
var toCommit = actionsToRun.map(function (action) { return action[1] }).filter(function (pkg) { return !pkg.failed && pkg.commit })
asyncMap(toCommit, function (pkg, next) {
asyncMap(pkg.commit, function (commit, done) {
commit(staging, pkg, done)
}, function () {
pkg.commit = []
next.apply(null, arguments)
})
}, cb)
}
Installer.prototype.runPreinstallTopLevelLifecycles = function (cb) {
validate('F', arguments)
if (this.failing) return cb()
if (!this.topLevelLifecycles) return cb()
log.silly('install', 'runPreinstallTopLevelLifecycles')
readPackageJson(path.join(this.where, 'package.json'), log, false, (err, data) => {
if (err) return cb()
this.currentTree = createNode({
isTop: true,
package: data,
path: this.where
})
doOneAction('preinstall', this.where, this.currentTree, log.newGroup('preinstall:.'), cb)
})
}
Installer.prototype.runPostinstallTopLevelLifecycles = function (cb) {
validate('F', arguments)
if (this.failing) return cb()
if (!this.topLevelLifecycles) return cb()
log.silly('install', 'runPostinstallTopLevelLifecycles')
var steps = []
var trackLifecycle = this.progress.runTopLevelLifecycles
steps.push(
[doOneAction, 'build', this.idealTree.path, this.idealTree, trackLifecycle.newGroup('build:.')],
[doOneAction, 'install', this.idealTree.path, this.idealTree, trackLifecycle.newGroup('install:.')],
[doOneAction, 'postinstall', this.idealTree.path, this.idealTree, trackLifecycle.newGroup('postinstall:.')])
if (this.dev) {
steps.push(
[doOneAction, 'prepare', this.idealTree.path, this.idealTree, trackLifecycle.newGroup('prepare')])
}
chain(steps, cb)
}
Installer.prototype.startAudit = function (cb) {
if (!this.audit) return cb()
this.auditSubmission = Bluebird.try(() => {
return audit.generateFromInstall(this.idealTree, this.differences, this.args, this.remove)
}).then((auditData) => {
return audit.submitForInstallReport(auditData)
}).catch(_ => {})
cb()
}
Installer.prototype.saveToDependencies = function (cb) {
validate('F', arguments)
if (this.failing) return cb()
log.silly('install', 'saveToDependencies')
if (this.saveOnlyLock) {
saveShrinkwrap(this.idealTree, cb)
} else {
saveRequested(this.idealTree, cb)
}
}
Installer.prototype.readGlobalPackageData = function (cb) {
validate('F', arguments)
log.silly('install', 'readGlobalPackageData')
var self = this
this.loadArgMetadata(iferr(cb, function () {
mkdirp(self.where, iferr(cb, function () {
var pkgs = {}
self.args.forEach(function (pkg) {
pkgs[pkg.name] = true
})
readPackageTree(self.where, function (ctx, kid) { return ctx.parent || pkgs[kid] }, iferr(cb, function (currentTree) {
self.currentTree = currentTree
return cb()
}))
}))
}))
}
Installer.prototype.readLocalPackageData = function (cb) {
validate('F', arguments)
log.silly('install', 'readLocalPackageData')
var self = this
mkdirp(this.where, iferr(cb, function () {
readPackageTree(self.where, iferr(cb, function (currentTree) {
self.currentTree = currentTree
self.currentTree.warnings = []
if (currentTree.error && currentTree.error.code === 'EJSONPARSE') {
return cb(currentTree.error)
}
if (!self.noPackageJsonOk && !currentTree.package) {
log.error('install', "Couldn't read dependencies")
var er = new Error("ENOENT, open '" + path.join(self.where, 'package.json') + "'")
er.code = 'ENOPACKAGEJSON'
er.errno = 34
return cb(er)
}
if (!currentTree.package) currentTree.package = {}
readShrinkwrap(currentTree, function (err) {
if (err) {
cb(err)
} else {
self.loadArgMetadata(cb)
}
})
}))
}))
}
Installer.prototype.cloneCurrentTreeToIdealTree = function (cb) {
validate('F', arguments)
log.silly('install', 'cloneCurrentTreeToIdealTree')
if (npm.config.get('before')) {
this.idealTree = {
package: this.currentTree.package,
path: this.currentTree.path,
realpath: this.currentTree.realpath,
children: [],
requires: [],
missingDeps: {},
missingDevDeps: {},
requiredBy: [],
error: this.currentTree.error,
warnings: [],
isTop: true
}
} else {
this.idealTree = copyTree(this.currentTree)
this.idealTree.warnings = []
}
cb()
}
Installer.prototype.loadShrinkwrap = function (cb) {
validate('F', arguments)
log.silly('install', 'loadShrinkwrap')
readShrinkwrap.andInflate(this.idealTree, iferr(cb, () => {
computeMetadata(this.idealTree)
cb()
}))
}
Installer.prototype.getInstalledModules = function () {
return this.differences.filter(function (action) {
var mutation = action[0]
return (mutation === 'add' || mutation === 'update')
}).map(function (action) {
var child = action[1]
return [child.package._id, child.path]
})
}
Installer.prototype.printWarnings = function (cb) {
if (!this.idealTree) return cb()
var self = this
var warned = false
this.idealTree.warnings.forEach(function (warning) {
if (warning.code === 'EPACKAGEJSON' && self.global) return
if (warning.code === 'ENOTDIR') return
warned = true
var msg = errorMessage(warning)
msg.summary.forEach(function (logline) {
log.warn.apply(log, logline)
})
msg.detail.forEach(function (logline) {
log.verbose.apply(log, logline)
})
})
if (warned && log.levels[npm.config.get('loglevel')] <= log.levels.warn) console.error()
cb()
}
Installer.prototype.printInstalled = function (cb) {
validate('F', arguments)
if (this.failing) return cb()
log.silly('install', 'printInstalled')
const diffs = this.differences
if (!this.idealTree.error && this.idealTree.removedChildren) {
const deps = this.currentTree.package.dependencies || {}
const dev = this.currentTree.package.devDependencies || {}
this.idealTree.removedChildren.forEach((r) => {
if (diffs.some((d) => d[0] === 'remove' && d[1].path === r.path)) return
if (!deps[moduleName(r)] && !dev[moduleName(r)]) return
diffs.push(['remove', r])
})
}
return Bluebird.try(() => {
if (!this.auditSubmission) return
return Bluebird.resolve(this.auditSubmission).timeout(10000).catch(() => null)
}).then((auditResult) => {
if (auditResult && !auditResult.metadata) {
log.warn('audit', 'Audit result from registry missing metadata. This is probably an issue with the registry.')
}
// maybe write audit report w/ hash of pjson & shrinkwrap for later reading by `npm audit`
if (npm.config.get('json')) {
return this.printInstalledForJSON(diffs, auditResult)
} else if (npm.config.get('parseable')) {
return this.printInstalledForParseable(diffs, auditResult)
} else {
return this.printInstalledForHuman(diffs, auditResult)
}
}).asCallback(cb)
}
Installer.prototype.printInstalledForHuman = function (diffs, auditResult) {
var removed = 0
var added = 0
var updated = 0
var moved = 0
// Count the number of contributors to packages added, tracking
// contributors we've seen, so we can produce a running unique count.
var contributors = new Set()
diffs.forEach(function (action) {
var mutation = action[0]
var pkg = action[1]
if (pkg.failed) return
if (mutation === 'remove') {
++removed
} else if (mutation === 'move') {
++moved
} else if (mutation === 'add') {
++added
// Count contributors to added packages. Start by combining `author`
// and `contributors` data into a single array of contributor-people
// for this package.
var people = []
var meta = pkg.package
if (meta.author) people.push(meta.author)
if (meta.contributors && Array.isArray(meta.contributors)) {
people = people.concat(meta.contributors)
}
// Make sure a normalized string for every person behind this
// package is in `contributors`.
people.forEach(function (person) {
// Ignore errors from malformed `author` and `contributors`.
try {
var normalized = normalizePerson(person)
} catch (error) {
return
}
if (!contributors.has(normalized)) contributors.add(normalized)
})
} else if (mutation === 'update' || mutation === 'update-linked') {
++updated
}
})
var report = ''
if (this.args.length && (added || updated)) {
report += this.args.map((p) => {
return `+ ${p.name}@${p.version}${
!p._requested.name || p._requested.name === p.name
? ''
: ` (as ${p._requested.name})`
}`
}).join('\n') + '\n'
}
var actions = []
if (added) {
var action = 'added ' + packages(added)
if (contributors.size) action += from(contributors.size)
actions.push(action)
}
if (removed) actions.push('removed ' + packages(removed))
if (updated) actions.push('updated ' + packages(updated))
if (moved) actions.push('moved ' + packages(moved))
if (auditResult && auditResult.metadata && auditResult.metadata.totalDependencies) {
actions.push('audited ' + packages(auditResult.metadata.totalDependencies))
}
if (actions.length === 0) {
report += 'up to date'
} else if (actions.length === 1) {
report += actions[0]
} else {
var lastAction = actions.pop()
report += actions.join(', ') + ' and ' + lastAction
}
report += ' in ' + ((Date.now() - this.started) / 1000) + 's'
output(report)
function packages (num) {
return num + ' package' + (num > 1 ? 's' : '')
}
function from (num) {
return ' from ' + num + ' contributor' + (num > 1 ? 's' : '')
}
// Values of `author` and elements of `contributors` in `package.json`
// files can be e-mail style strings or Objects with `name`, `email,
// and `url` String properties. Convert Objects to Strings so that
// we can efficiently keep a set of contributors we have already seen.
function normalizePerson (argument) {
if (typeof argument === 'string') return argument
var returned = ''
if (argument.name) returned += argument.name
if (argument.email) returned += ' <' + argument.email + '>'
if (argument.url) returned += ' (' + argument.email + ')'
return returned
}
const { fund, idealTree } = this
const printFundingReport = getPrintFundingReport({
fund,
idealTree
})
if (printFundingReport.length) {
output(printFundingReport)
}
if (auditResult) {
return audit.printInstallReport(auditResult)
}
}
Installer.prototype.printInstalledForJSON = function (diffs, auditResult) {
const { fund, idealTree } = this
const printFundingReport = getPrintFundingReportJSON({
fund,
idealTree
})
var result = {
added: [],
removed: [],
updated: [],
moved: [],
failed: [],
warnings: [],
audit: auditResult,
funding: printFundingReport,
elapsed: Date.now() - this.started
}
var self = this
this.idealTree.warnings.forEach(function (warning) {
if (warning.code === 'EPACKAGEJSON' && self.global) return
if (warning.code === 'ENOTDIR') return
var output = errorMessage(warning)
var message = flattenMessage(output.summary)
if (output.detail.length) {
message += '\n' + flattenMessage(output.detail)
}
result.warnings.push(message)
})
diffs.forEach(function (action) {
var mutation = action[0]
var child = action[1]
var record = recordAction(action)
if (child.failed) {
result.failed.push(record)
} else if (mutation === 'add') {
result.added.push(record)
} else if (mutation === 'update' || mutation === 'update-linked') {
result.updated.push(record)
} else if (mutation === 'move') {
result.moved.push(record)
} else if (mutation === 'remove') {
result.removed.push(record)
}
})
output(JSON.stringify(result, null, 2))
function flattenMessage (msg) {
return msg.map(function (logline) { return logline.slice(1).join(' ') }).join('\n')
}
function recordAction (action) {
var mutation = action[0]
var child = action[1]
const isAlias = child.package && child.package._requested && child.package._requested.type === 'alias'
const name = isAlias
? child.package._requested.name
: child.package && child.package.name
var result = {
action: mutation,
name,
version: child.package && `${isAlias ? `npm:${child.package.name}@` : ''}${child.package.version}`,
path: child.path
}
if (mutation === 'move') {
result.previousPath = child.fromPath
} else if (mutation === 'update') {
result.previousVersion = child.oldPkg.package && child.oldPkg.package.version
}
return result
}
}
Installer.prototype.printInstalledForParseable = function (diffs) {
var self = this
diffs.forEach(function (action) {
var mutation = action[0]
var child = action[1]
if (mutation === 'move') {
var previousPath = path.relative(self.where, child.fromPath)
} else if (mutation === 'update') {
var previousVersion = child.oldPkg.package && child.oldPkg.package.version
}
const isAlias = child.package._requested && child.package._requested.type === 'alias'
const version = child.package && isAlias
? `npm:${child.package.name}@${child.package.version}`
: child.package
? child.package.version
: ''
output(
mutation + '\t' +
moduleName(child) + '\t' +
version + '\t' +
(child.path ? path.relative(self.where, child.path) : '') + '\t' +
(previousVersion || '') + '\t' +
(previousPath || ''))
})
}
Installer.prototype.debugActions = function (name, actionListName, cb) {
validate('SSF', arguments)
var actionsToLog = this[actionListName]
log.silly(name, 'action count', actionsToLog.length)
actionsToLog.forEach(function (action) {
log.silly(name, action.map(function (value) {
return (value && value.package) ? packageId(value) : value
}).join(' '))
})
cb()
}
// This takes an object and a property name instead of a value to allow us
// to define the arguments for use by chain before the property exists yet.
Installer.prototype.debugTree = function (name, treeName, cb) {
validate('SSF', arguments)
log.silly(name, this.archyDebugTree(this[treeName]).trim())
cb()
}
Installer.prototype.archyDebugTree = function (tree) {
validate('O', arguments)
var seen = new Set()
function byName (aa, bb) {
return packageId(aa).localeCompare(packageId(bb))
}
function expandTree (tree) {
seen.add(tree)
return {
label: packageId(tree),
nodes: tree.children.filter((tree) => { return !seen.has(tree) && !tree.removed }).sort(byName).map(expandTree)
}
}
return archy(expandTree(tree), '', { unicode: npm.config.get('unicode') })
}
Installer.prototype.debugLogicalTree = function (name, treeName, cb) {
validate('SSF', arguments)
this[treeName] && log.silly(name, this.archyDebugLogicalTree(this[treeName]).trim())
cb()
}
Installer.prototype.archyDebugLogicalTree = function (tree) {
validate('O', arguments)
var seen = new Set()
function byName (aa, bb) {
return packageId(aa).localeCompare(packageId(bb))
}
function expandTree (tree) {
seen.add(tree)
return {
label: packageId(tree),
nodes: tree.requires.filter((tree) => { return !seen.has(tree) && !tree.removed }).sort(byName).map(expandTree)
}
}
return archy(expandTree(tree), '', { unicode: npm.config.get('unicode') })
}
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