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Filename :
inflate-shrinkwrap.js
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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') const isRegistry = require('../utils/is-registry.js') const hasModernMeta = require('./has-modern-meta.js') const ssri = require('ssri') const npa = require('npm-package-arg') 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) if (Object.keys(sw).length === 0) { let message = `Object for dependency "${name}" is empty.\n` message += 'Something went wrong. Regenerate the package-lock.json with "npm install".\n' message += 'If using a shrinkwrap, regenerate with "npm shrinkwrap".' return Promise.reject(new Error(message)) } 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 quotemeta (str) { return str.replace(/([^A-Za-z_0-9/])/g, '\\$1') } function tarballToVersion (name, tb) { const registry = quotemeta(npm.config.get('registry') || '') .replace(/https?:/, 'https?:') .replace(/([^/])$/, '$1/') let matchRegTarball if (name) { const nameMatch = quotemeta(name) matchRegTarball = new RegExp(`^${registry}${nameMatch}/-/${nameMatch}-(.*)[.]tgz$`) } else { matchRegTarball = new RegExp(`^${registry}(.*)?/-/\\1-(.*)[.]tgz$`) } const match = tb.match(matchRegTarball) if (!match) return return match[2] || match[1] } function relativizeLink (name, spec, topPath, requested) { if (!spec.startsWith('file:')) { return } let requestedPath = requested.fetchSpec if (requested.type === 'file') { requestedPath = path.dirname(requestedPath) } const relativized = path.relative(requestedPath, path.resolve(topPath, spec.slice(5))) return 'file:' + relativized } function inflatableChild (onDiskChild, name, topPath, tree, sw, requested, opts) { validate('OSSOOOO|ZSSOOOO', arguments) const usesIntegrity = ( requested.registry || requested.type === 'remote' || requested.type === 'file' ) const regTarball = tarballToVersion(name, sw.version) if (regTarball) { sw.resolved = sw.version sw.version = regTarball } if (sw.requires) { Object.keys(sw.requires).forEach(name => { const spec = sw.requires[name] sw.requires[name] = tarballToVersion(name, spec) || relativizeLink(name, spec, topPath, requested) || spec }) } const modernLink = requested.type === 'directory' && !sw.from if (hasModernMeta(onDiskChild) && childIsEquivalent(sw, requested, onDiskChild)) { // The version on disk matches the shrinkwrap entry. if (!onDiskChild.fromShrinkwrap) onDiskChild.fromShrinkwrap = requested 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 || !usesIntegrity) && (requested.type !== 'directory' || modernLink)) || 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 isGit (sw) { const version = npa.resolve(sw.name, sw.version) return (version && version.type === 'git') } function makeFakeChild (name, topPath, tree, sw, requested) { const isDirectory = requested.type === 'directory' const from = sw.from || requested.raw const pkg = { name: name, version: sw.version, _id: name + '@' + sw.version, _resolved: sw.resolved || (isGit(sw) && sw.version), _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: isDirectory, parent: tree, children: [], fromShrinkwrap: requested, fakeChild: sw, fromBundle: sw.bundled ? tree.fromBundle || tree : null, path: childPath(tree.path, pkg), realpath: isDirectory ? requested.fetchSpec : childPath(tree.realpath, pkg), location: (tree.location === '/' ? '' : tree.location + '/') + pkg.name, isLink: isDirectory, isInLink: tree.isLink || tree.isInLink, swRequires: sw.requires }) tree.children.push(child) return child } 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 === '/' ? '' : 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 && ssri.parse(sw.integrity).match(child.package._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 (!isRegistry(requested) && sw.from) return child.package._from === sw.from if (!isRegistry(requested) && child.package._resolved) return sw.version === child.package._resolved return child.package.version === sw.version }