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// require('npm.js'), but also we need to use some of those modules. So,
// we define and instantiate the singleton ahead of loading any modules
// required for its methods.
// these are all dependencies used in the ctor
const EventEmitter = require('events')
const { resolve, dirname } = require('path')
const Config = require('@npmcli/config')
// Patch the global fs module here at the app level
require('graceful-fs').gracefulify(require('fs'))
const procLogListener = require('./utils/proc-log-listener.js')
const hasOwnProperty = (obj, key) => Object.prototype.hasOwnProperty.call(obj, key)
// the first time `npm.commands.xyz` is loaded, it gets added
// to the cmds object, so we don't have to load it again.
const proxyCmds = (npm) => {
const cmds = {}
return new Proxy(cmds, {
get: (prop, cmd) => {
if (hasOwnProperty(cmds, cmd)) {
return cmds[cmd]
}
const actual = deref(cmd)
if (!actual) {
cmds[cmd] = undefined
return cmds[cmd]
}
if (cmds[actual]) {
cmds[cmd] = cmds[actual]
return cmds[cmd]
}
cmds[actual] = makeCmd(actual)
cmds[cmd] = cmds[actual]
return cmds[cmd]
}
})
}
const makeCmd = cmd => {
const impl = require(`./${cmd}.js`)
const fn = (args, cb) => npm[_runCmd](cmd, impl, args, cb)
Object.assign(fn, impl)
return fn
}
const { types, defaults, shorthands } = require('./utils/config.js')
let warnedNonDashArg = false
const _runCmd = Symbol('_runCmd')
const _load = Symbol('_load')
const _flatOptions = Symbol('_flatOptions')
const _tmpFolder = Symbol('_tmpFolder')
const npm = module.exports = new class extends EventEmitter {
constructor () {
super()
require('./utils/perf.js')
this.modes = {
exec: 0o755,
file: 0o644,
umask: 0o22
}
this.started = Date.now()
this.command = null
this.commands = proxyCmds(this)
procLogListener()
process.emit('time', 'npm')
this.version = require('../package.json').version
this.config = new Config({
npmPath: dirname(__dirname),
types,
defaults,
shorthands
})
this.updateNotification = null
}
deref (c) {
return deref(c)
}
// this will only ever be called with cmd set to the canonical command name
[_runCmd] (cmd, impl, args, cb) {
if (!this.loaded) {
throw new Error(
'Call npm.load(cb) before using this command.\n' +
'See the README.md or bin/npm-cli.js for example usage.'
)
}
process.emit('time', `command:${cmd}`)
this.command = cmd
// Options are prefixed by a hyphen-minus (-, \u2d).
// Other dash-type chars look similar but are invalid.
if (!warnedNonDashArg) {
args.filter(arg => /^[\u2010-\u2015\u2212\uFE58\uFE63\uFF0D]/.test(arg))
.forEach(arg => {
warnedNonDashArg = true
log.error('arg', 'Argument starts with non-ascii dash, this is probably invalid:', arg)
})
}
if (this.config.get('usage')) {
console.log(impl.usage)
cb()
} else {
impl(args, er => {
process.emit('timeEnd', `command:${cmd}`)
cb(er)
})
}
}
// call with parsed CLI options and a callback when done loading
// XXX promisify this and stop taking a callback
load (cb) {
if (!cb || typeof cb !== 'function') {
throw new TypeError('must call as: npm.load(callback)')
}
this.once('load', cb)
if (this.loaded || this.loadErr) {
this.emit('load', this.loadErr)
return
}
if (this.loading) {
return
}
this.loading = true
process.emit('time', 'npm:load')
this.log.pause()
return this[_load]().catch(er => er).then((er) => {
this.loading = false
this.loadErr = er
if (!er && this.config.get('force')) {
this.log.warn('using --force', 'Recommended protections disabled.')
}
if (!er && !this[_flatOptions]) {
this[_flatOptions] = require('./config/flat-options.js')(this)
process.env.npm_command = this.command
}
process.emit('timeEnd', 'npm:load')
this.emit('load', er)
})
}
get loaded () {
return this.config.loaded
}
async [_load] () {
const node = await which(process.argv[0]).catch(er => null)
console.error('_LOAD', node, process.execPath)
if (node && node.toUpperCase() !== process.execPath.toUpperCase()) {
console.error('IS A SYMLINK')
log.verbose('node symlink', node)
process.execPath = node
}
this.config.execPath = node
await this.config.load()
this.argv = this.config.parsedArgv.remain
setUserAgent(this.config)
this.color = setupLog(this.config, this)
process.env.COLOR = this.color ? '1' : '0'
cleanUpLogFiles(this.cache, this.config.get('logs-max'), log.warn)
log.resume()
const umask = this.config.get('umask')
this.modes = {
exec: 0o777 & (~umask),
file: 0o666 & (~umask),
umask
}
const configScope = this.config.get('scope')
if (configScope && !/^@/.test(configScope)) {
this.config.set('scope', `@${configScope}`, this.config.find('scope'))
}
this.projectScope = this.config.get('scope') ||
getProjectScope(this.prefix)
startMetrics()
}
get flatOptions () {
return this[_flatOptions]
}
get lockfileVersion () {
return 2
}
get log () {
return log
}
get cache () {
return this.config.get('cache')
}
set cache (r) {
this.config.set('cache', r)
}
get globalPrefix () {
return this.config.globalPrefix
}
set globalPrefix (r) {
this.config.globalPrefix = r
}
get localPrefix () {
return this.config.localPrefix
}
set localPrefix (r) {
this.config.localPrefix = r
}
get globalDir () {
return process.platform !== 'win32'
? resolve(this.globalPrefix, 'lib', 'node_modules')
: resolve(this.globalPrefix, 'node_modules')
}
get localDir () {
return resolve(this.localPrefix, 'node_modules')
}
get dir () {
return (this.config.get('global')) ? this.globalDir : this.localDir
}
get globalBin () {
const b = this.globalPrefix
return process.platform !== 'win32' ? resolve(b, 'bin') : b
}
get localBin () {
return resolve(this.dir, '.bin')
}
get bin () {
return this.config.get('global') ? this.globalBin : this.localBin
}
get prefix () {
return this.config.get('global') ? this.globalPrefix : this.localPrefix
}
set prefix (r) {
const k = this.config.get('global') ? 'globalPrefix' : 'localPrefix'
this[k] = r
}
// XXX add logging to see if we actually use this
get tmp () {
if (!this[_tmpFolder]) {
const rand = require('crypto').randomBytes(4).toString('hex')
this[_tmpFolder] = `npm-${process.pid}-${rand}`
}
return resolve(this.config.get('tmp'), this[_tmpFolder])
}
}()
// now load everything required by the class methods
const log = require('npmlog')
const { promisify } = require('util')
const startMetrics = require('./utils/metrics.js').start
const which = promisify(require('which'))
const setUserAgent = require('./utils/set-user-agent.js')
const deref = require('./utils/deref-command.js')
const setupLog = require('./utils/setup-log.js')
const cleanUpLogFiles = require('./utils/cleanup-log-files.js')
const getProjectScope = require('./utils/get-project-scope.js')
if (require.main === module) {
require('./cli.js')(process)
}
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