AlkantarClanX12
Your IP : 3.147.71.175
'use strict'
var assert = require('assert')
var path = require('path')
var semver = require('semver')
var asyncMap = require('slide').asyncMap
var chain = require('slide').chain
var union = require('lodash.union')
var iferr = require('iferr')
var npa = require('npm-package-arg')
var validate = require('aproba')
var realizePackageSpecifier = require('realize-package-specifier')
var realizeShrinkwrapSpecifier = require('./realize-shrinkwrap-specifier')
var asap = require('asap')
var dezalgo = require('dezalgo')
var fetchPackageMetadata = require('../fetch-package-metadata.js')
var andAddParentToErrors = require('./and-add-parent-to-errors.js')
var addShrinkwrap = require('../fetch-package-metadata.js').addShrinkwrap
var addBundled = require('../fetch-package-metadata.js').addBundled
var readShrinkwrap = require('./read-shrinkwrap.js')
var inflateShrinkwrap = require('./inflate-shrinkwrap.js')
var inflateBundled = require('./inflate-bundled.js')
var andFinishTracker = require('./and-finish-tracker.js')
var npm = require('../npm.js')
var flatNameFromTree = require('./flatten-tree.js').flatNameFromTree
var createChild = require('./node.js').create
var resetMetadata = require('./node.js').reset
var andIgnoreErrors = require('./and-ignore-errors.js')
var isInstallable = require('./validate-args.js').isInstallable
var packageId = require('../utils/package-id.js')
var moduleName = require('../utils/module-name.js')
var isDevDep = require('./is-dev-dep.js')
var isProdDep = require('./is-prod-dep.js')
var reportOptionalFailure = require('./report-optional-failure.js')
// The export functions in this module mutate a dependency tree, adding
// items to them.
function isDep (tree, child, cb) {
var name = moduleName(child)
var prodVer = isProdDep(tree, name)
var devVer = isDevDep(tree, name)
childDependencySpecifier(tree, name, prodVer, function (er, prodSpec) {
if (er) return cb(child.fromShrinkwrap)
var matches
if (prodSpec) matches = doesChildVersionMatch(child, prodSpec, tree)
if (matches) return cb(true, prodSpec)
if (devVer === prodVer) return cb(child.fromShrinkwrap)
childDependencySpecifier(tree, name, devVer, function (er, devSpec) {
if (er) return cb(child.fromShrinkwrap)
cb(doesChildVersionMatch(child, devSpec, tree) || child.fromShrinkwrap, null, devSpec)
})
})
}
var registryTypes = { range: true, version: true }
function doesChildVersionMatch (child, requested, requestor) {
// we always consider deps provided by a shrinkwrap as "correct" or else
// we'll subvert them if they're intentionally "invalid"
if (child.parent === requestor && child.fromShrinkwrap) return true
// ranges of * ALWAYS count as a match, because when downloading we allow
// prereleases to match * if there are ONLY prereleases
if (requested.spec === '*') return true
var childReq = child.package._requested
if (!childReq) childReq = npa(moduleName(child) + '@' + child.package._from)
if (childReq) {
if (childReq.rawSpec === requested.rawSpec) return true
if (childReq.type === requested.type && childReq.spec === requested.spec) return true
}
// If _requested didn't exist OR if it didn't match then we'll try using
// _from. We pass it through npa to normalize the specifier.
// This can happen when installing from an `npm-shrinkwrap.json` where `_requested` will
// be the tarball URL from `resolved` and thus can't match what's in the `package.json`.
// In those cases _from, will be preserved and we can compare that to ensure that they
// really came from the same sources.
// You'll see this scenario happen with at least tags and git dependencies.
if (!registryTypes[requested.type]) {
if (child.package._from) {
var fromReq = npa(child.package._from)
if (fromReq.rawSpec === requested.rawSpec) return true
if (fromReq.type === requested.type && fromReq.spec === requested.spec) return true
}
return false
}
return semver.satisfies(child.package.version, requested.spec)
}
// TODO: Rename to maybe computeMetadata or computeRelationships
exports.recalculateMetadata = function (tree, log, next) {
recalculateMetadata(tree, log, {}, next)
}
exports._childDependencySpecifier = childDependencySpecifier
function childDependencySpecifier (tree, name, spec, cb) {
if (!tree.resolved) tree.resolved = {}
if (!tree.resolved[name]) tree.resolved[name] = {}
if (tree.resolved[name][spec]) {
return asap(function () {
cb(null, tree.resolved[name][spec])
})
}
realizePackageSpecifier(name + '@' + spec, packageRelativePath(tree), function (er, req) {
if (er) return cb(er)
tree.resolved[name][spec] = req
cb(null, req)
})
}
function recalculateMetadata (tree, log, seen, next) {
validate('OOOF', arguments)
if (seen[tree.path]) return next()
seen[tree.path] = true
if (tree.parent == null) {
resetMetadata(tree)
tree.isTop = true
}
function markDeps (toMark, done) {
var name = toMark.name
var spec = toMark.spec
var kind = toMark.kind
childDependencySpecifier(tree, name, spec, function (er, req) {
if (er || !req.name) return done()
var child = findRequirement(tree, req.name, req)
if (child) {
resolveWithExistingModule(child, tree, log, andIgnoreErrors(done))
} else if (kind === 'dep') {
tree.missingDeps[req.name] = req.rawSpec
done()
} else if (kind === 'dev') {
tree.missingDevDeps[req.name] = req.rawSpec
done()
} else {
done()
}
})
}
function makeMarkable (deps, kind) {
if (!deps) return []
return Object.keys(deps).map(function (depname) { return { name: depname, spec: deps[depname], kind: kind } })
}
// Ensure dependencies and dev dependencies are marked as required
var tomark = makeMarkable(tree.package.dependencies, 'dep')
if (tree.isTop) tomark = union(tomark, makeMarkable(tree.package.devDependencies, 'dev'))
// Ensure any children ONLY from a shrinkwrap are also included
var childrenOnlyInShrinkwrap = tree.children.filter(function (child) {
return child.fromShrinkwrap &&
!tree.package.dependencies[child.package.name] &&
!tree.package.devDependencies[child.package.name]
})
var tomarkOnlyInShrinkwrap = childrenOnlyInShrinkwrap.map(function (child) {
var name = child.package.name
var matched = child.package._spec.match(/^@?[^@]+@(.*)$/)
var spec = matched ? matched[1] : child.package._spec
var kind = tree.package.dependencies[name] ? 'dep'
: tree.package.devDependencies[name] ? 'dev'
: 'dep'
return { name: name, spec: spec, kind: kind }
})
tomark = union(tomark, tomarkOnlyInShrinkwrap)
// Don't bother trying to recalc children of failed deps
tree.children = tree.children.filter(function (child) { return !child.failed })
chain([
[asyncMap, tomark, markDeps],
[asyncMap, tree.children, function (child, done) { recalculateMetadata(child, log, seen, done) }]
], function () {
tree.location = flatNameFromTree(tree)
next(null, tree)
})
}
function addRequiredDep (tree, child, cb) {
isDep(tree, child, function (childIsDep, childIsProdDep, childIsDevDep) {
if (!childIsDep) return cb(false)
replaceModuleByPath(child, 'requiredBy', tree)
replaceModuleByName(tree, 'requires', child)
if (childIsProdDep && tree.missingDeps) delete tree.missingDeps[moduleName(child)]
if (childIsDevDep && tree.missingDevDeps) delete tree.missingDevDeps[moduleName(child)]
cb(true)
})
}
exports.removeObsoleteDep = removeObsoleteDep
function removeObsoleteDep (child) {
if (child.removed) return
child.removed = true
// remove from physical tree
if (child.parent) {
child.parent.children = child.parent.children.filter(function (pchild) { return pchild !== child })
}
// remove from logical tree
var requires = child.requires || []
requires.forEach(function (requirement) {
requirement.requiredBy = requirement.requiredBy.filter(function (reqBy) { return reqBy !== child })
if (requirement.requiredBy.length === 0) removeObsoleteDep(requirement)
})
}
function matchingDep (tree, name) {
if (tree.package.dependencies && tree.package.dependencies[name]) return tree.package.dependencies[name]
if (tree.package.devDependencies && tree.package.devDependencies[name]) return tree.package.devDependencies[name]
return
}
function packageRelativePath (tree) {
if (!tree) return ''
var requested = tree.package._requested || {}
var isLocal = requested.type === 'directory' || requested.type === 'local'
return isLocal ? requested.spec : tree.path
}
function getShrinkwrap (tree, name) {
return tree.package._shrinkwrap && tree.package._shrinkwrap.dependencies && tree.package._shrinkwrap.dependencies[name]
}
exports.getAllMetadata = function (args, tree, where, next) {
asyncMap(args, function (arg, done) {
function fetchMetadataWithVersion () {
var version = matchingDep(tree, arg)
var spec = version == null ? arg : arg + '@' + version
return fetchPackageMetadata(spec, where, done)
}
if (tree && arg.lastIndexOf('@') <= 0) {
var sw = getShrinkwrap(tree, arg)
if (sw) {
return realizeShrinkwrapSpecifier(arg, sw, where, function (err, spec) {
if (err) {
return fetchMetadataWithVersion()
} else {
return fetchPackageMetadata(spec, where, done)
}
})
} else {
return fetchMetadataWithVersion()
}
} else {
return fetchPackageMetadata(arg, where, done)
}
}, next)
}
// Add a list of args to tree's top level dependencies
exports.loadRequestedDeps = function (args, tree, saveToDependencies, log, next) {
validate('AOOF', [args, tree, log, next])
asyncMap(args, function (pkg, done) {
var depLoaded = andAddParentToErrors(tree, done)
resolveWithNewModule(pkg, tree, log.newGroup('loadRequestedDeps'), iferr(depLoaded, function (child, tracker) {
validate('OO', arguments)
if (npm.config.get('global')) {
child.isGlobal = true
}
var childName = moduleName(child)
if (saveToDependencies) {
tree.package[saveToDependencies][childName] =
child.package._requested.rawSpec || child.package._requested.spec
}
if (saveToDependencies && saveToDependencies !== 'devDependencies') {
tree.package.dependencies[childName] =
child.package._requested.rawSpec || child.package._requested.spec
}
child.userRequired = true
child.save = saveToDependencies
// For things the user asked to install, that aren't a dependency (or
// won't be when we're done), flag it as "depending" on the user
// themselves, so we don't remove it as a dep that no longer exists
addRequiredDep(tree, child, function (childIsDep) {
if (!childIsDep) child.userRequired = true
depLoaded(null, child, tracker)
})
}))
}, andForEachChild(loadDeps, andFinishTracker(log, next)))
}
function moduleNameMatches (name) {
return function (child) { return moduleName(child) === name }
}
function noModuleNameMatches (name) {
return function (child) { return moduleName(child) !== name }
}
// while this implementation does not require async calling, doing so
// gives this a consistent interface with loadDeps et al
exports.removeDeps = function (args, tree, saveToDependencies, log, next) {
validate('AOOF', [args, tree, log, next])
args.forEach(function (pkg) {
var pkgName = moduleName(pkg)
var toRemove = tree.children.filter(moduleNameMatches(pkgName))
var pkgToRemove = toRemove[0] || createChild({package: {name: pkgName}})
if (saveToDependencies) {
replaceModuleByPath(tree, 'removed', pkgToRemove)
pkgToRemove.save = saveToDependencies
}
removeObsoleteDep(pkgToRemove)
})
log.finish()
next()
}
function andForEachChild (load, next) {
validate('F', [next])
next = dezalgo(next)
return function (er, children, logs) {
// when children is empty, logs won't be passed in at all (asyncMap is weird)
// so shortcircuit before arg validation
if (!er && (!children || children.length === 0)) return next()
validate('EAA', arguments)
if (er) return next(er)
assert(children.length === logs.length)
var cmds = []
for (var ii = 0; ii < children.length; ++ii) {
cmds.push([load, children[ii], logs[ii]])
}
var sortedCmds = cmds.sort(function installOrder (aa, bb) {
return moduleName(aa[1]).localeCompare(moduleName(bb[1]))
})
chain(sortedCmds, next)
}
}
function isDepOptional (tree, name, pkg) {
if (pkg.package && pkg.package._optional) return true
if (!tree.package.optionalDependencies) return false
if (tree.package.optionalDependencies[name] != null) return true
return false
}
var failedDependency = exports.failedDependency = function (tree, name_pkg) {
var name
var pkg = {}
if (typeof name_pkg === 'string') {
name = name_pkg
} else {
pkg = name_pkg
name = moduleName(pkg)
}
tree.children = tree.children.filter(noModuleNameMatches(name))
if (isDepOptional(tree, name, pkg)) {
return false
}
tree.failed = true
if (tree.isTop) return true
if (tree.userRequired) return true
removeObsoleteDep(tree)
if (!tree.requiredBy) return false
for (var ii = 0; ii < tree.requiredBy.length; ++ii) {
var requireParent = tree.requiredBy[ii]
if (failedDependency(requireParent, tree.package)) {
return true
}
}
return false
}
function andHandleOptionalErrors (log, tree, name, done) {
validate('OOSF', arguments)
return function (er, child, childLog) {
if (!er) validate('OO', [child, childLog])
if (!er) return done(er, child, childLog)
var isFatal = failedDependency(tree, name)
if (er && !isFatal) {
tree.children = tree.children.filter(noModuleNameMatches(name))
reportOptionalFailure(tree, name, er)
return done()
} else {
return done(er, child, childLog)
}
}
}
// Load any missing dependencies in the given tree
exports.loadDeps = loadDeps
function loadDeps (tree, log, next) {
validate('OOF', arguments)
if (tree.loaded || (tree.parent && tree.parent.failed) || tree.removed) return andFinishTracker.now(log, next)
if (tree.parent) tree.loaded = true
if (!tree.package.dependencies) tree.package.dependencies = {}
asyncMap(Object.keys(tree.package.dependencies), function (dep, done) {
var version = tree.package.dependencies[dep]
if (tree.package.optionalDependencies &&
tree.package.optionalDependencies[dep] &&
!npm.config.get('optional')) {
return done()
}
addDependency(dep, version, tree, log.newGroup('loadDep:' + dep), andHandleOptionalErrors(log, tree, dep, done))
}, andForEachChild(loadDeps, andFinishTracker(log, next)))
}
// Load development dependencies into the given tree
exports.loadDevDeps = function (tree, log, next) {
validate('OOF', arguments)
if (!tree.package.devDependencies) return andFinishTracker.now(log, next)
asyncMap(Object.keys(tree.package.devDependencies), function (dep, done) {
// things defined as both dev dependencies and regular dependencies are treated
// as the former
if (tree.package.dependencies[dep]) return done()
var logGroup = log.newGroup('loadDevDep:' + dep)
addDependency(dep, tree.package.devDependencies[dep], tree, logGroup, done)
}, andForEachChild(loadDeps, andFinishTracker(log, next)))
}
exports.loadExtraneous = function loadExtraneous (tree, log, next) {
var seen = {}
function loadExtraneous (tree, log, next) {
validate('OOF', arguments)
if (seen[tree.path]) return next()
seen[tree.path] = true
asyncMap(tree.children.filter(function (child) { return !child.loaded }), function (child, done) {
resolveWithExistingModule(child, tree, log, done)
}, andForEachChild(loadExtraneous, andFinishTracker(log, next)))
}
loadExtraneous(tree, log, next)
}
exports.loadExtraneous.andResolveDeps = function (tree, log, next) {
validate('OOF', arguments)
asyncMap(tree.children.filter(function (child) { return !child.loaded }), function (child, done) {
resolveWithExistingModule(child, tree, log, done)
}, andForEachChild(loadDeps, andFinishTracker(log, next)))
}
function addDependency (name, versionSpec, tree, log, done) {
validate('SSOOF', arguments)
var next = andAddParentToErrors(tree, done)
childDependencySpecifier(tree, name, versionSpec, iferr(done, function (req) {
var child = findRequirement(tree, name, req)
if (child) {
resolveWithExistingModule(child, tree, log, iferr(next, function (child, log) {
if (child.package._shrinkwrap === undefined) {
readShrinkwrap.andInflate(child, function (er) { next(er, child, log) })
} else {
next(null, child, log)
}
}))
} else {
fetchPackageMetadata(req, packageRelativePath(tree), log.newItem('fetchMetadata'), iferr(next, function (pkg) {
resolveWithNewModule(pkg, tree, log, next)
}))
}
}))
}
function resolveWithExistingModule (child, tree, log, next) {
validate('OOOF', arguments)
addRequiredDep(tree, child, function () {
if (tree.parent && child.parent !== tree) updatePhantomChildren(tree.parent, child)
next(null, child, log)
})
}
var updatePhantomChildren = exports.updatePhantomChildren = function (current, child) {
validate('OO', arguments)
while (current && current !== child.parent) {
if (!current.phantomChildren) current.phantomChildren = {}
current.phantomChildren[moduleName(child)] = child
current = current.parent
}
}
exports._replaceModuleByPath = replaceModuleByPath
function replaceModuleByPath (obj, key, child) {
return replaceModule(obj, key, child, function (replacing, child) {
return replacing.path === child.path
})
}
exports._replaceModuleByName = replaceModuleByName
function replaceModuleByName (obj, key, child) {
var childName = moduleName(child)
return replaceModule(obj, key, child, function (replacing, child) {
return moduleName(replacing) === childName
})
}
function replaceModule (obj, key, child, matchBy) {
validate('OSOF', arguments)
if (!obj[key]) obj[key] = []
// we replace children with a new array object instead of mutating it
// because mutating it results in weird failure states.
// I would very much like to know _why_ this is. =/
var children = [].concat(obj[key])
for (var replaceAt = 0; replaceAt < children.length; ++replaceAt) {
if (matchBy(children[replaceAt], child)) break
}
var replacing = children.splice(replaceAt, 1, child)
obj[key] = children
return replacing[0]
}
function resolveWithNewModule (pkg, tree, log, next) {
validate('OOOF', arguments)
log.silly('resolveWithNewModule', packageId(pkg), 'checking installable status')
return isInstallable(pkg, iferr(next, function () {
if (!pkg._from) {
pkg._from = pkg._requested.name + '@' + pkg._requested.spec
}
addShrinkwrap(pkg, iferr(next, function () {
addBundled(pkg, iferr(next, function () {
var parent = earliestInstallable(tree, tree, pkg) || tree
var child = createChild({
package: pkg,
parent: parent,
path: path.join(parent.path, 'node_modules', pkg.name),
realpath: path.resolve(parent.realpath, 'node_modules', pkg.name),
children: pkg._bundled || [],
isLink: tree.isLink,
knownInstallable: true
})
delete pkg._bundled
var hasBundled = child.children.length
var replaced = replaceModuleByName(parent, 'children', child)
if (replaced) removeObsoleteDep(replaced)
addRequiredDep(tree, child, function () {
child.location = flatNameFromTree(child)
if (tree.parent && parent !== tree) updatePhantomChildren(tree.parent, child)
if (hasBundled) {
inflateBundled(child, child.children)
}
if (pkg._shrinkwrap && pkg._shrinkwrap.dependencies) {
return inflateShrinkwrap(child, pkg._shrinkwrap.dependencies, function (er) {
next(er, child, log)
})
}
next(null, child, log)
})
}))
}))
}))
}
var validatePeerDeps = exports.validatePeerDeps = function (tree, onInvalid) {
if (!tree.package.peerDependencies) return
Object.keys(tree.package.peerDependencies).forEach(function (pkgname) {
var version = tree.package.peerDependencies[pkgname]
var match = findRequirement(tree.parent || tree, pkgname, npa(pkgname + '@' + version))
if (!match) onInvalid(tree, pkgname, version)
})
}
exports.validateAllPeerDeps = function (tree, onInvalid) {
validateAllPeerDeps(tree, onInvalid, {})
}
function validateAllPeerDeps (tree, onInvalid, seen) {
validate('OFO', arguments)
if (seen[tree.path]) return
seen[tree.path] = true
validatePeerDeps(tree, onInvalid)
tree.children.forEach(function (child) { validateAllPeerDeps(child, onInvalid, seen) })
}
// Determine if a module requirement is already met by the tree at or above
// our current location in the tree.
var findRequirement = exports.findRequirement = function (tree, name, requested, requestor) {
validate('OSO', [tree, name, requested])
if (!requestor) requestor = tree
var nameMatch = function (child) {
return moduleName(child) === name && child.parent && !child.removed
}
var versionMatch = function (child) {
return doesChildVersionMatch(child, requested, requestor)
}
if (nameMatch(tree)) {
// this *is* the module, but it doesn't match the version, so a
// new copy will have to be installed
return versionMatch(tree) ? tree : null
}
var matches = tree.children.filter(nameMatch)
if (matches.length) {
matches = matches.filter(versionMatch)
// the module exists as a dependent, but the version doesn't match, so
// a new copy will have to be installed above here
if (matches.length) return matches[0]
return null
}
if (tree.isTop) return null
return findRequirement(tree.parent, name, requested, requestor)
}
// Find the highest level in the tree that we can install this module in.
// If the module isn't installed above us yet, that'd be the very top.
// If it is, then it's the level below where its installed.
var earliestInstallable = exports.earliestInstallable = function (requiredBy, tree, pkg) {
validate('OOO', arguments)
function undeletedModuleMatches (child) {
return !child.removed && moduleName(child) === pkg.name
}
if (tree.children.some(undeletedModuleMatches)) return null
// If any of the children of this tree have conflicting
// binaries then we need to decline to install this package here.
var binaryMatches = pkg.bin && tree.children.some(function (child) {
if (child.removed || !child.package.bin) return false
return Object.keys(child.package.bin).some(function (bin) {
return pkg.bin[bin]
})
})
if (binaryMatches) return null
// if this tree location requested the same module then we KNOW it
// isn't compatible because if it were findRequirement would have
// found that version.
var deps = tree.package.dependencies || {}
if (!tree.removed && requiredBy !== tree && deps[pkg.name]) {
return null
}
if (tree.phantomChildren && tree.phantomChildren[pkg.name]) return null
if (tree.isTop) return tree
if (tree.isGlobal) return tree
if (npm.config.get('global-style') && tree.parent.isTop) return tree
if (npm.config.get('legacy-bundling')) return tree
return (earliestInstallable(requiredBy, tree.parent, pkg) || tree)
}