AlkantarClanX12
Current Path : /lib/node_modules/npm/node_modules/libcipm/ |
Current File : //lib/node_modules/npm/node_modules/libcipm/index.js |
'use strict' const BB = require('bluebird') const binLink = require('bin-links') const buildLogicalTree = require('npm-logical-tree') const extract = require('./lib/extract.js') const figgyPudding = require('figgy-pudding') const fs = require('graceful-fs') const getPrefix = require('find-npm-prefix') const lifecycle = require('npm-lifecycle') const lockVerify = require('lock-verify') const mkdirp = BB.promisify(require('mkdirp')) const npa = require('npm-package-arg') const path = require('path') const readPkgJson = BB.promisify(require('read-package-json')) const rimraf = BB.promisify(require('rimraf')) const readFileAsync = BB.promisify(fs.readFile) const statAsync = BB.promisify(fs.stat) const symlinkAsync = BB.promisify(fs.symlink) const writeFileAsync = BB.promisify(fs.writeFile) const LifecycleOpts = figgyPudding({ config: {}, 'script-shell': {}, scriptShell: 'script-shell', 'ignore-scripts': {}, ignoreScripts: 'ignore-scripts', 'ignore-prepublish': {}, ignorePrepublish: 'ignore-prepublish', 'scripts-prepend-node-path': {}, scriptsPrependNodePath: 'scripts-prepend-node-path', 'unsafe-perm': {}, unsafePerm: 'unsafe-perm', prefix: {}, dir: 'prefix', failOk: { default: false } }, { other () { return true } }) class Installer { constructor (opts) { this.opts = opts // Stats this.startTime = Date.now() this.runTime = 0 this.timings = { scripts: 0 } this.pkgCount = 0 // Misc this.log = this.opts.log || require('./lib/silentlog.js') this.pkg = null this.tree = null this.failedDeps = new Set() } timedStage (name) { const start = Date.now() return BB.resolve(this[name].apply(this, [].slice.call(arguments, 1))) .tap(() => { this.timings[name] = Date.now() - start this.log.info(name, `Done in ${this.timings[name] / 1000}s`) }) } run () { return this.timedStage('prepare') .then(() => this.timedStage('extractTree', this.tree)) .then(() => this.timedStage('updateJson', this.tree)) .then(pkgJsons => this.timedStage('buildTree', this.tree, pkgJsons)) .then(() => this.timedStage('garbageCollect', this.tree)) .then(() => this.timedStage('runScript', 'prepublish', this.pkg, this.prefix)) .then(() => this.timedStage('runScript', 'prepare', this.pkg, this.prefix)) .then(() => this.timedStage('teardown')) .then(() => { this.runTime = Date.now() - this.startTime this.log.info( 'run-scripts', `total script time: ${this.timings.scripts / 1000}s` ) this.log.info( 'run-time', `total run time: ${this.runTime / 1000}s` ) }) .catch(err => { this.timedStage('teardown') if (err.message.match(/aggregate error/)) { throw err[0] } else { throw err } }) .then(() => this) } prepare () { this.log.info('prepare', 'initializing installer') this.log.level = this.opts.loglevel this.log.verbose('prepare', 'starting workers') extract.startWorkers() return ( this.opts.prefix && this.opts.global ? BB.resolve(this.opts.prefix) // There's some Special™ logic around the `--prefix` config when it // comes from a config file or env vs when it comes from the CLI : process.argv.some(arg => arg.match(/^\s*--prefix\s*/i)) ? BB.resolve(this.opts.prefix) : getPrefix(process.cwd()) ) .then(prefix => { this.prefix = prefix this.log.verbose('prepare', 'installation prefix: ' + prefix) return BB.join( readJson(prefix, 'package.json'), readJson(prefix, 'package-lock.json', true), readJson(prefix, 'npm-shrinkwrap.json', true), (pkg, lock, shrink) => { if (shrink) { this.log.verbose('prepare', 'using npm-shrinkwrap.json') } else if (lock) { this.log.verbose('prepare', 'using package-lock.json') } pkg._shrinkwrap = shrink || lock this.pkg = pkg } ) }) .then(() => statAsync( path.join(this.prefix, 'node_modules') ).catch(err => { if (err.code !== 'ENOENT') { throw err } })) .then(stat => { stat && this.log.warn( 'prepare', 'removing existing node_modules/ before installation' ) return BB.join( this.checkLock(), stat && rimraf(path.join(this.prefix, 'node_modules/*')) ) }).then(() => { // This needs to happen -after- we've done checkLock() this.tree = buildLogicalTree(this.pkg, this.pkg._shrinkwrap) this.log.silly('tree', this.tree) this.expectedTotal = 0 this.tree.forEach((dep, next) => { this.expectedTotal++ next() }) }) } teardown () { this.log.verbose('teardown', 'shutting down workers.') return extract.stopWorkers() } checkLock () { this.log.verbose('checkLock', 'verifying package-lock data') const pkg = this.pkg const prefix = this.prefix if (!pkg._shrinkwrap || !pkg._shrinkwrap.lockfileVersion) { return BB.reject( new Error(`cipm can only install packages with an existing package-lock.json or npm-shrinkwrap.json with lockfileVersion >= 1. Run an install with npm@5 or later to generate it, then try again.`) ) } return lockVerify(prefix).then(result => { if (result.status) { result.warnings.forEach(w => this.log.warn('lockfile', w)) } else { throw new Error( 'cipm can only install packages when your package.json and package-lock.json or ' + 'npm-shrinkwrap.json are in sync. Please update your lock file with `npm install` ' + 'before continuing.\n\n' + result.warnings.map(w => 'Warning: ' + w).join('\n') + '\n' + result.errors.join('\n') + '\n' ) } }).catch(err => { throw err }) } extractTree (tree) { this.log.verbose('extractTree', 'extracting dependencies to node_modules/') const cg = this.log.newItem('extractTree', this.expectedTotal) return tree.forEachAsync((dep, next) => { if (!this.checkDepEnv(dep)) { return } const depPath = dep.path(this.prefix) const spec = npa.resolve(dep.name, dep.version, this.prefix) if (dep.isRoot) { return next() } else if (spec.type === 'directory') { const relative = path.relative(path.dirname(depPath), spec.fetchSpec) this.log.silly('extractTree', `${dep.name}@${spec.fetchSpec} -> ${depPath} (symlink)`) return mkdirp(path.dirname(depPath)) .then(() => symlinkAsync(relative, depPath, 'junction')) .catch( () => rimraf(depPath) .then(() => symlinkAsync(relative, depPath, 'junction')) ).then(() => next()) .then(() => { this.pkgCount++ cg.completeWork(1) }) } else { this.log.silly('extractTree', `${dep.name}@${dep.version} -> ${depPath}`) return ( dep.bundled ? statAsync(path.join(depPath, 'package.json')).catch(err => { if (err.code !== 'ENOENT') { throw err } }) : BB.resolve(false) ) .then(wasBundled => { // Don't extract if a bundled dep is actually present if (wasBundled) { cg.completeWork(1) return next() } else { return BB.resolve(extract.child( dep.name, dep, depPath, this.opts )) .then(() => cg.completeWork(1)) .then(() => { this.pkgCount++ }) .then(next) } }) } }, {concurrency: 50, Promise: BB}) .then(() => cg.finish()) } checkDepEnv (dep) { const includeDev = ( // Covers --dev and --development (from npm config itself) this.opts.dev || ( !/^prod(uction)?$/.test(this.opts.only) && !this.opts.production ) || /^dev(elopment)?$/.test(this.opts.only) || /^dev(elopment)?$/.test(this.opts.also) ) const includeProd = !/^dev(elopment)?$/.test(this.opts.only) const includeOptional = includeProd && this.opts.optional return (dep.dev && includeDev) || (dep.optional && includeOptional) || (!dep.dev && !dep.optional && includeProd) } updateJson (tree) { this.log.verbose('updateJson', 'updating json deps to include _from') const pkgJsons = new Map() return tree.forEachAsync((dep, next) => { if (!this.checkDepEnv(dep)) { return } const spec = npa.resolve(dep.name, dep.version) const depPath = dep.path(this.prefix) return next() .then(() => readJson(depPath, 'package.json')) .then(pkg => (spec.registry || spec.type === 'directory') ? pkg : this.updateFromField(dep, pkg).then(() => pkg) ) .then(pkg => (pkg.scripts && pkg.scripts.install) ? pkg : this.updateInstallScript(dep, pkg).then(() => pkg) ) .tap(pkg => { pkgJsons.set(dep, pkg) }) }, {concurrency: 100, Promise: BB}) .then(() => pkgJsons) } buildTree (tree, pkgJsons) { this.log.verbose('buildTree', 'finalizing tree and running scripts') return tree.forEachAsync((dep, next) => { if (!this.checkDepEnv(dep)) { return } const spec = npa.resolve(dep.name, dep.version) const depPath = dep.path(this.prefix) const pkg = pkgJsons.get(dep) this.log.silly('buildTree', `linking ${spec}`) return this.runScript('preinstall', pkg, depPath) .then(next) // build children between preinstall and binLink // Don't link root bins .then(() => { if ( dep.isRoot || !(pkg.bin || pkg.man || (pkg.directories && pkg.directories.bin)) ) { // We skip the relatively expensive readPkgJson if there's no way // we'll actually be linking any bins or mans return } return readPkgJson(path.join(depPath, 'package.json')) .then(pkg => binLink(pkg, depPath, false, { force: this.opts.force, ignoreScripts: this.opts['ignore-scripts'], log: Object.assign({}, this.log, { info: () => {} }), name: pkg.name, pkgId: pkg.name + '@' + pkg.version, prefix: this.prefix, prefixes: [this.prefix], umask: this.opts.umask }), e => { this.log.verbose('buildTree', `error linking ${spec}: ${e.message} ${e.stack}`) }) }) .then(() => this.runScript('install', pkg, depPath)) .then(() => this.runScript('postinstall', pkg, depPath)) .then(() => this) .catch(e => { if (dep.optional) { this.failedDeps.add(dep) } else { throw e } }) }, {concurrency: 1, Promise: BB}) } updateFromField (dep, pkg) { const depPath = dep.path(this.prefix) const depPkgPath = path.join(depPath, 'package.json') const parent = dep.requiredBy.values().next().value return readJson(parent.path(this.prefix), 'package.json') .then(ppkg => (ppkg.dependencies && ppkg.dependencies[dep.name]) || (ppkg.devDependencies && ppkg.devDependencies[dep.name]) || (ppkg.optionalDependencies && ppkg.optionalDependencies[dep.name]) ) .then(from => npa.resolve(dep.name, from)) .then(from => { pkg._from = from.toString() }) .then(() => writeFileAsync(depPkgPath, JSON.stringify(pkg, null, 2))) .then(() => pkg) } updateInstallScript (dep, pkg) { const depPath = dep.path(this.prefix) return statAsync(path.join(depPath, 'binding.gyp')) .catch(err => { if (err.code !== 'ENOENT') { throw err } }) .then(stat => { if (stat) { if (!pkg.scripts) { pkg.scripts = {} } pkg.scripts.install = 'node-gyp rebuild' } }) .then(() => pkg) } // A cute little mark-and-sweep collector! garbageCollect (tree) { if (!this.failedDeps.size) { return } return sweep( tree, this.prefix, mark(tree, this.failedDeps) ) .then(purged => { this.purgedDeps = purged this.pkgCount -= purged.size }) } runScript (stage, pkg, pkgPath) { const start = Date.now() if (!this.opts['ignore-scripts']) { // TODO(mikesherov): remove pkg._id when npm-lifecycle no longer relies on it pkg._id = pkg.name + '@' + pkg.version return BB.resolve(lifecycle( pkg, stage, pkgPath, LifecycleOpts(this.opts).concat({ // TODO: can be removed once npm-lifecycle is updated to modern // config practices. config: Object.assign({}, this.opts, { log: null, dirPacker: null }), dir: this.prefix })) ).tap(() => { this.timings.scripts += Date.now() - start }) } return BB.resolve() } } module.exports = Installer function mark (tree, failed) { const liveDeps = new Set() tree.forEach((dep, next) => { if (!failed.has(dep)) { liveDeps.add(dep) next() } }) return liveDeps } function sweep (tree, prefix, liveDeps) { const purged = new Set() return tree.forEachAsync((dep, next) => { return next().then(() => { if ( !dep.isRoot && // never purge root! 🙈 !liveDeps.has(dep) && !purged.has(dep) ) { purged.add(dep) return rimraf(dep.path(prefix)) } }) }, {concurrency: 50, Promise: BB}).then(() => purged) } function stripBOM (str) { return str.replace(/^\uFEFF/, '') } module.exports._readJson = readJson function readJson (jsonPath, name, ignoreMissing) { return readFileAsync(path.join(jsonPath, name), 'utf8') .then(str => JSON.parse(stripBOM(str))) .catch({code: 'ENOENT'}, err => { if (!ignoreMissing) { throw err } }) }