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'use strict'
var fs = require('graceful-fs')
var path = require('path')
var url = require('url')
var writeFileAtomic = require('write-file-atomic')
var log = require('npmlog')
var semver = require('semver')
var iferr = require('iferr')
var validate = require('aproba')
var without = require('lodash.without')
var npm = require('../npm.js')
var deepSortObject = require('../utils/deep-sort-object.js')
var parseJSON = require('../utils/parse-json.js')
var moduleName = require('../utils/module-name.js')
// if the -S|--save option is specified, then write installed packages
// as dependencies to a package.json file.
exports.saveRequested = function (args, tree, andReturn) {
validate('AOF', arguments)
savePackageJson(args, tree, andWarnErrors(andSaveShrinkwrap(tree, andReturn)))
}
function andSaveShrinkwrap (tree, andReturn) {
validate('OF', arguments)
return function (er) {
validate('E', arguments)
saveShrinkwrap(tree, andWarnErrors(andReturn))
}
}
function andWarnErrors (cb) {
validate('F', arguments)
return function (er) {
if (er) log.warn('saveError', er.message)
arguments[0] = null
cb.apply(null, arguments)
}
}
function saveShrinkwrap (tree, next) {
validate('OF', arguments)
var saveTarget = path.resolve(tree.path, 'npm-shrinkwrap.json')
fs.stat(saveTarget, function (er, stat) {
if (er) return next()
var save = npm.config.get('save')
var saveDev = npm.config.get('save-dev')
var saveOptional = npm.config.get('save-optional')
var shrinkwrap = tree.package._shrinkwrap || {dependencies: {}}
var hasDevOnlyDeps = tree.requires.filter(function (dep) {
var devReqs = dep.package._requiredBy.filter(function (name) { return name.substr(0, 4) === '#DEV' })
return devReqs.length === dep.package._requiredBy.length
}).some(function (dep) {
return shrinkwrap.dependencies[dep.package.name] != null
})
if (!saveOptional && saveDev && !hasDevOnlyDeps) return next()
if (saveOptional || !save) return next()
if (hasDevOnlyDeps) {
var dev = npm.config.get('dev')
npm.config.set('dev', true)
npm.commands.shrinkwrap([], true, function () {
npm.config.set('dev', dev)
next.apply(this, arguments)
})
} else {
npm.commands.shrinkwrap([], true, next)
}
})
}
function savePackageJson (args, tree, next) {
validate('AOF', arguments)
var saveBundle = npm.config.get('save-bundle')
// each item in the tree is a top-level thing that should be saved
// to the package.json file.
// The relevant tree shape is { <folder>: {what:<pkg>} }
var saveTarget = path.resolve(tree.path, 'package.json')
// don't use readJson, because we don't want to do all the other
// tricky npm-specific stuff that's in there.
fs.readFile(saveTarget, iferr(next, function (packagejson) {
try {
packagejson = parseJSON(packagejson)
} catch (ex) {
return next(ex)
}
// If we're saving bundled deps, normalize the key before we start
if (saveBundle) {
var bundle = packagejson.bundleDependencies || packagejson.bundledDependencies
delete packagejson.bundledDependencies
if (!Array.isArray(bundle)) bundle = []
}
var toSave = getThingsToSave(tree)
var toRemove = getThingsToRemove(args, tree)
var savingTo = {}
toSave.forEach(function (pkg) { savingTo[pkg.save] = true })
toRemove.forEach(function (pkg) { savingTo[pkg.save] = true })
Object.keys(savingTo).forEach(function (save) {
if (!packagejson[save]) packagejson[save] = {}
})
log.verbose('saving', toSave)
toSave.forEach(function (pkg) {
packagejson[pkg.save][pkg.name] = pkg.spec
if (saveBundle) {
var ii = bundle.indexOf(pkg.name)
if (ii === -1) bundle.push(pkg.name)
}
})
toRemove.forEach(function (pkg) {
delete packagejson[pkg.save][pkg.name]
if (saveBundle) {
bundle = without(bundle, pkg.name)
}
})
Object.keys(savingTo).forEach(function (key) {
packagejson[key] = deepSortObject(packagejson[key])
})
if (saveBundle) {
packagejson.bundledDependencies = deepSortObject(bundle)
}
var json = JSON.stringify(packagejson, null, 2) + '\n'
writeFileAtomic(saveTarget, json, next)
}))
}
var getSaveType = exports.getSaveType = function (args) {
validate('A', arguments)
var nothingToSave = !args.length
var globalInstall = npm.config.get('global')
var noSaveFlags = !npm.config.get('save') &&
!npm.config.get('save-dev') &&
!npm.config.get('save-optional')
if (nothingToSave || globalInstall || noSaveFlags) return null
if (npm.config.get('save-optional')) return 'optionalDependencies'
else if (npm.config.get('save-dev')) return 'devDependencies'
else return 'dependencies'
}
function computeVersionSpec (child) {
validate('O', arguments)
var requested = child.package._requested
if (!requested || requested.type === 'tag') {
requested = {
type: 'version',
spec: child.package.version
}
}
if (requested.type === 'version' || requested.type === 'range') {
var version = child.package.version
var rangeDescriptor = ''
if (semver.valid(version, true) &&
semver.gte(version, '0.1.0', true) &&
!npm.config.get('save-exact')) {
rangeDescriptor = npm.config.get('save-prefix')
}
return rangeDescriptor + version
} else if (requested.type === 'directory' || requested.type === 'local') {
var relativePath = path.relative(child.parent.path, requested.spec)
if (/^[.][.]/.test(relativePath)) {
return url.format({
protocol: 'file',
slashes: true,
pathname: requested.spec
})
} else {
return url.format({
protocol: 'file',
slashes: false,
pathname: relativePath
})
}
} else if (requested.type === 'hosted') {
return requested.spec
} else {
return requested.rawSpec
}
}
function getThingsToSave (tree) {
validate('O', arguments)
var toSave = tree.children.filter(function (child) {
return child.save
}).map(function (child) {
return {
name: moduleName(child),
spec: computeVersionSpec(child),
save: child.save
}
})
return toSave
}
function getThingsToRemove (args, tree) {
validate('AO', arguments)
if (!tree.removed) return []
var toRemove = tree.removed.map(function (child) {
return {
name: moduleName(child),
save: child.save
}
})
var saveType = getSaveType(args)
args.forEach(function (arg) {
toRemove.push({
name: arg,
save: saveType
})
})
return toRemove
}
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