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'use strict'
const BB = require('bluebird')
let addBundled
const childPath = require('../utils/child-path.js')
const createChild = require('./node.js').create
let fetchPackageMetadata
const inflateBundled = require('./inflate-bundled.js')
const moduleName = require('../utils/module-name.js')
const normalizePackageData = require('normalize-package-data')
const npm = require('../npm.js')
const realizeShrinkwrapSpecifier = require('./realize-shrinkwrap-specifier.js')
const validate = require('aproba')
const path = require('path')
module.exports = function (tree, sw, opts, finishInflating) {
if (!fetchPackageMetadata) {
fetchPackageMetadata = BB.promisify(require('../fetch-package-metadata.js'))
addBundled = BB.promisify(fetchPackageMetadata.addBundled)
}
if (arguments.length === 3) {
finishInflating = opts
opts = {}
}
if (!npm.config.get('shrinkwrap') || !npm.config.get('package-lock')) {
return finishInflating()
}
tree.loaded = false
tree.hasRequiresFromLock = sw.requires
return inflateShrinkwrap(tree.path, tree, sw.dependencies, opts).then(
() => finishInflating(),
finishInflating
)
}
function inflateShrinkwrap (topPath, tree, swdeps, opts) {
if (!swdeps) return Promise.resolve()
if (!opts) opts = {}
const onDisk = {}
tree.children.forEach((child) => {
onDisk[moduleName(child)] = child
})
tree.children = []
return BB.each(Object.keys(swdeps), (name) => {
const sw = swdeps[name]
const dependencies = sw.dependencies || {}
const requested = realizeShrinkwrapSpecifier(name, sw, topPath)
return inflatableChild(
onDisk[name], name, topPath, tree, sw, requested, opts
).then((child) => {
child.hasRequiresFromLock = tree.hasRequiresFromLock
return inflateShrinkwrap(topPath, child, dependencies)
})
})
}
function normalizePackageDataNoErrors (pkg) {
try {
normalizePackageData(pkg)
} catch (ex) {
// don't care
}
}
function inflatableChild (onDiskChild, name, topPath, tree, sw, requested, opts) {
validate('OSSOOOO|ZSSOOOO', arguments)
if (onDiskChild && childIsEquivalent(sw, requested, onDiskChild)) {
// The version on disk matches the shrinkwrap entry.
if (!onDiskChild.fromShrinkwrap) onDiskChild.fromShrinkwrap = true
onDiskChild.package._requested = requested
onDiskChild.package._spec = requested.rawSpec
onDiskChild.package._where = topPath
onDiskChild.package._optional = sw.optional
onDiskChild.package._development = sw.dev
onDiskChild.package._inBundle = sw.bundled
onDiskChild.fromBundle = (sw.bundled || onDiskChild.package._inBundle) ? tree.fromBundle || tree : null
if (!onDiskChild.package._args) onDiskChild.package._args = []
onDiskChild.package._args.push([String(requested), topPath])
// non-npm registries can and will return unnormalized data, plus
// even the npm registry may have package data normalized with older
// normalization rules. This ensures we get package data in a consistent,
// stable format.
normalizePackageDataNoErrors(onDiskChild.package)
onDiskChild.swRequires = sw.requires
tree.children.push(onDiskChild)
return BB.resolve(onDiskChild)
} else if ((sw.version && sw.integrity) || sw.bundled) {
// The shrinkwrap entry has an integrity field. We can fake a pkg to get
// the installer to do a content-address fetch from the cache, if possible.
return BB.resolve(makeFakeChild(name, topPath, tree, sw, requested))
} else {
// It's not on disk, and we can't just look it up by address -- do a full
// fpm/inflate bundle pass. For registry deps, this will go straight to the
// tarball URL, as if it were a remote tarball dep.
return fetchChild(topPath, tree, sw, requested)
}
}
function makeFakeChild (name, topPath, tree, sw, requested) {
const from = sw.from || requested.raw
const pkg = {
name: name,
version: sw.version,
_id: name + '@' + sw.version,
_resolved: adaptResolved(requested, sw.resolved),
_requested: requested,
_optional: sw.optional,
_development: sw.dev,
_inBundle: sw.bundled,
_integrity: sw.integrity,
_from: from,
_spec: requested.rawSpec,
_where: topPath,
_args: [[requested.toString(), topPath]],
dependencies: sw.requires
}
if (!sw.bundled) {
const bundleDependencies = Object.keys(sw.dependencies || {}).filter((d) => sw.dependencies[d].bundled)
if (bundleDependencies.length === 0) {
pkg.bundleDependencies = bundleDependencies
}
}
const child = createChild({
package: pkg,
loaded: true,
parent: tree,
children: [],
fromShrinkwrap: true,
fakeChild: sw,
fromBundle: sw.bundled ? tree.fromBundle || tree : null,
path: childPath(tree.path, pkg),
realpath: childPath(tree.realpath, pkg),
location: tree.location + '/' + pkg.name,
isLink: requested.type === 'directory',
isInLink: tree.isLink,
swRequires: sw.requires
})
tree.children.push(child)
return child
}
function adaptResolved (requested, resolved) {
const registry = requested.scope
? npm.config.get(`${requested.scope}:registry`) || npm.config.get('registry')
: npm.config.get('registry')
if (!requested.registry || (resolved && resolved.indexOf(registry) === 0)) {
// Nothing to worry about here. Pass it through.
return resolved
} else {
// We could fast-path for registry.npmjs.org here, but if we do, it
// would end up getting written back to the `resolved` field. By always
// returning `null` for other registries, `pacote.extract()` will take
// care of any required metadata fetches internally, without altering
// the tree we're going to write out to shrinkwrap/lockfile.
return null
}
}
function fetchChild (topPath, tree, sw, requested) {
return fetchPackageMetadata(requested, topPath).then((pkg) => {
pkg._from = sw.from || requested.raw
pkg._optional = sw.optional
pkg._development = sw.dev
pkg._inBundle = false
return addBundled(pkg).then(() => pkg)
}).then((pkg) => {
var isLink = pkg._requested.type === 'directory'
const child = createChild({
package: pkg,
loaded: false,
parent: tree,
fromShrinkwrap: requested,
path: childPath(tree.path, pkg),
realpath: isLink ? requested.fetchSpec : childPath(tree.realpath, pkg),
children: pkg._bundled || [],
location: tree.location + '/' + pkg.name,
fromBundle: null,
isLink: isLink,
isInLink: tree.isLink,
swRequires: sw.requires
})
tree.children.push(child)
if (pkg._bundled) {
delete pkg._bundled
inflateBundled(child, child, child.children)
}
return child
})
}
function childIsEquivalent (sw, requested, child) {
if (!child) return false
if (child.fromShrinkwrap) return true
if (sw.integrity && child.package._integrity === sw.integrity) return true
if (child.isLink && requested.type === 'directory') return path.relative(child.realpath, requested.fetchSpec) === ''
if (sw.resolved) return child.package._resolved === sw.resolved
if (!requested.registry && sw.from) return child.package._from === sw.from
if (!requested.registry && child.package._resolved) return sw.version === child.package._resolved
return child.package.version === sw.version
}
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