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;(function(){
// windows: running "npm blah" in this folder will invoke WSH, not node.
if (typeof WScript !== "undefined") {
WScript.echo("npm does not work when run\n"
+"with the Windows Scripting Host\n\n"
+"'cd' to a different directory,\n"
+"or type 'npm.cmd <args>',\n"
+"or type 'node npm <args>'.")
WScript.quit(1)
return
}
// FIXME there really ought to be a path.split in node core
require("path").SPLIT_CHAR = process.platform === "win32" ? "\\" : "/"
var EventEmitter = require("events").EventEmitter
, npm = module.exports = new EventEmitter
, config = require("./config.js")
, npmconf = require("npmconf")
, log = require("npmlog")
, fs = require("graceful-fs")
, path = require("path")
, abbrev = require("abbrev")
, which = require("which")
, semver = require("semver")
, findPrefix = require("./utils/find-prefix.js")
, getUid = require("uid-number")
, mkdirp = require("mkdirp")
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, slide = require("slide")
, chain = slide.chain
, RegClient = require("npm-registry-client")
npm.config = {loaded: false}
// /usr/local is often a read-only fs, which is not
// well handled by node or mkdirp. Just double-check
// in the case of errors when making the prefix dirs.
function mkdir (p, cb) {
mkdirp(p, function (er, made) {
// it could be that we couldn't create it, because it
// already exists, and is on a read-only fs.
if (er) {
return fs.stat(p, function (er2, st) {
if (er2 || !st.isDirectory()) return cb(er)
return cb(null, made)
})
}
return cb(er, made)
})
}
npm.commands = {}
try {
// startup, ok to do this synchronously
var j = JSON.parse(fs.readFileSync(
path.join(__dirname, "../package.json"))+"")
npm.version = j.version
npm.nodeVersionRequired = j.engines.node
if (!semver.satisfies(process.version, j.engines.node)) {
log.warn("unsupported version", [""
,"npm requires node version: "+j.engines.node
,"And you have: "+process.version
,"which is not satisfactory."
,""
,"Bad things will likely happen. You have been warned."
,""].join("\n"))
}
} catch (ex) {
try {
log.info("error reading version", ex)
} catch (er) {}
npm.version = ex
}
var commandCache = {}
// short names for common things
, aliases = { "rm" : "uninstall"
, "r" : "uninstall"
, "un" : "uninstall"
, "unlink" : "uninstall"
, "remove" : "uninstall"
, "rb" : "rebuild"
, "list" : "ls"
, "la" : "ls"
, "ll" : "ls"
, "ln" : "link"
, "i" : "install"
, "isntall" : "install"
, "up" : "update"
, "c" : "config"
, "info" : "view"
, "show" : "view"
, "find" : "search"
, "s" : "search"
, "se" : "search"
, "author" : "owner"
, "home" : "docs"
, "issues": "bugs"
, "unstar": "star" // same function
, "apihelp" : "help"
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, "login": "adduser"
, "add-user": "adduser"
, "tst": "test"
, "find-dupes": "dedupe"
, "ddp": "dedupe"
}
, aliasNames = Object.keys(aliases)
// these are filenames in .
, cmdList = [ "install"
, "uninstall"
, "cache"
, "config"
, "set"
, "get"
, "update"
, "outdated"
, "prune"
, "submodule"
, "pack"
, "dedupe"
, "rebuild"
, "link"
, "publish"
, "star"
, "stars"
, "tag"
, "adduser"
, "unpublish"
, "owner"
, "deprecate"
, "shrinkwrap"
, "help"
, "help-search"
, "ls"
, "search"
, "view"
, "init"
, "version"
, "edit"
, "explore"
, "docs"
, "bugs"
, "faq"
, "root"
, "prefix"
, "bin"
, "whoami"
, "test"
, "stop"
, "start"
, "restart"
, "run-script"
, "completion"
]
, plumbing = [ "build"
, "unbuild"
, "xmas"
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, "substack"
]
, fullList = npm.fullList = cmdList.concat(aliasNames).filter(function (c) {
return plumbing.indexOf(c) === -1
})
, abbrevs = abbrev(fullList)
Object.keys(abbrevs).concat(plumbing).forEach(function addCommand (c) {
Object.defineProperty(npm.commands, c, { get : function () {
if (!loaded) throw new Error(
"Call npm.load(conf, cb) before using this command.\n"+
"See the README.md or cli.js for example usage.")
var a = npm.deref(c)
if (c === "la" || c === "ll") {
npm.config.set("long", true)
}
npm.command = c
if (commandCache[a]) return commandCache[a]
var cmd = require(__dirname+"/"+a+".js")
commandCache[a] = function () {
var args = Array.prototype.slice.call(arguments, 0)
if (typeof args[args.length - 1] !== "function") {
args.push(defaultCb)
}
if (args.length === 1) args.unshift([])
cmd.apply(npm, args)
}
Object.keys(cmd).forEach(function (k) {
commandCache[a][k] = cmd[k]
})
return commandCache[a]
}, enumerable: fullList.indexOf(c) !== -1 })
// make css-case commands callable via camelCase as well
if (c.match(/\-([a-z])/)) {
addCommand(c.replace(/\-([a-z])/g, function (a, b) {
return b.toUpperCase()
}))
}
})
function defaultCb (er, data) {
if (er) console.error(er.stack || er.message)
else console.log(data)
}
npm.deref = function (c) {
if (!c) return ""
if (c.match(/[A-Z]/)) c = c.replace(/([A-Z])/g, function (m) {
return "-" + m.toLowerCase()
})
if (plumbing.indexOf(c) !== -1) return c
var a = abbrevs[c]
if (aliases[a]) a = aliases[a]
return a
}
var loaded = false
, loading = false
, loadErr = null
, loadListeners = []
function loadCb (er) {
loadListeners.forEach(function (cb) {
process.nextTick(cb.bind(npm, er, npm))
})
loadListeners.length = 0
}
npm.load = function (cli, cb_) {
if (!cb_ && typeof cli === "function") cb_ = cli , cli = {}
if (!cb_) cb_ = function () {}
if (!cli) cli = {}
loadListeners.push(cb_)
if (loaded || loadErr) return cb(loadErr)
if (loading) return
loading = true
var onload = true
function cb (er) {
if (loadErr) return
if (npm.config.get("force")) {
log.warn("using --force", "I sure hope you know what you are doing.")
}
npm.config.loaded = true
loaded = true
loadCb(loadErr = er)
if (onload = onload && npm.config.get("onload-script")) {
require(onload)
onload = false
}
}
log.pause()
load(npm, cli, cb)
}
function load (npm, cli, cb) {
which(process.argv[0], function (er, node) {
if (!er && node.toUpperCase() !== process.execPath.toUpperCase()) {
log.verbose("node symlink", node)
process.execPath = node
process.installPrefix = path.resolve(node, "..", "..")
}
// look up configs
//console.error("about to look up configs")
var builtin = path.resolve(__dirname, "..", "npmrc")
npmconf.load(cli, builtin, function (er, conf) {
if (er === conf) er = null
npm.config = conf
var color = conf.get("color")
log.level = conf.get("loglevel")
log.heading = "npm"
log.stream = conf.get("logstream")
switch (color) {
case "always": log.enableColor(); break
case false: log.disableColor(); break
}
log.resume()
if (er) return cb(er)
// see if we need to color normal output
switch (color) {
case "always":
npm.color = true
break
case false:
npm.color = false
break
default:
var tty = require("tty")
if (process.stdout.isTTY) npm.color = true
else if (!tty.isatty) npm.color = true
else if (tty.isatty(1)) npm.color = true
else npm.color = false
break
}
// at this point the configs are all set.
// go ahead and spin up the registry client.
var token = conf.get("_token")
if (typeof token === "string") {
try {
token = JSON.parse(token)
conf.set("_token", token, "user")
conf.save("user")
} catch (e) { token = null }
}
npm.registry = new RegClient(npm.config)
// save the token cookie in the config file
if (npm.registry.couchLogin) {
npm.registry.couchLogin.tokenSet = function (tok) {
npm.config.set("_token", tok, "user")
// ignore save error. best effort.
npm.config.save("user")
}
}
var umask = npm.config.get("umask")
npm.modes = { exec: 0777 & (~umask)
, file: 0666 & (~umask)
, umask: umask }
chain([ [ loadPrefix, npm, cli ]
, [ setUser, conf, conf.root ]
, [ loadUid, npm ]
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], cb)
})
})
}
function loadPrefix (npm, conf, cb) {
// try to guess at a good node_modules location.
var p
, gp
if (!Object.prototype.hasOwnProperty.call(conf, "prefix")) {
p = process.cwd()
} else {
p = npm.config.get("prefix")
}
gp = npm.config.get("prefix")
findPrefix(p, function (er, p) {
Object.defineProperty(npm, "localPrefix",
{ get : function () { return p }
, set : function (r) { return p = r }
, enumerable : true
})
// the prefix MUST exist, or else nothing works.
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if (!npm.config.get("global")) {
mkdir(p, next)
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} else {
next(er)
}
})
gp = path.resolve(gp)
Object.defineProperty(npm, "globalPrefix",
{ get : function () { return gp }
, set : function (r) { return gp = r }
, enumerable : true
})
// the prefix MUST exist, or else nothing works.
mkdir(gp, next)
var i = 2
, errState = null
function next (er) {
if (errState) return
if (er) return cb(errState = er)
if (--i === 0) return cb()
}
}
function loadUid (npm, cb) {
// if we're not in unsafe-perm mode, then figure out who
// to run stuff as. Do this first, to support `npm update npm -g`
if (!npm.config.get("unsafe-perm")) {
getUid(npm.config.get("user"), npm.config.get("group"), cb)
} else {
process.nextTick(cb)
}
}
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function setUser (cl, dc, cb) {
// If global, leave it as-is.
// If not global, then set the user to the owner of the prefix folder.
// Just set the default, so it can be overridden.
if (cl.get("global")) return cb()
if (process.env.SUDO_UID) {
dc.user = +(process.env.SUDO_UID)
return cb()
}
var prefix = path.resolve(cl.get("prefix"))
mkdir(prefix, function (er) {
if (er) {
log.error("could not create prefix dir", prefix)
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return cb(er)
}
fs.stat(prefix, function (er, st) {
dc.user = st && st.uid
return cb(er)
})
})
}
Object.defineProperty(npm, "prefix",
{ get : function () {
return npm.config.get("global") ? npm.globalPrefix : npm.localPrefix
}
, set : function (r) {
var k = npm.config.get("global") ? "globalPrefix" : "localPrefix"
return npm[k] = r
}
, enumerable : true
})
Object.defineProperty(npm, "bin",
{ get : function () {
if (npm.config.get("global")) return npm.globalBin
return path.resolve(npm.root, ".bin")
}
, enumerable : true
})
Object.defineProperty(npm, "globalBin",
{ get : function () {
var b = npm.globalPrefix
if (process.platform !== "win32") b = path.resolve(b, "bin")
return b
}
})
Object.defineProperty(npm, "dir",
{ get : function () {
if (npm.config.get("global")) return npm.globalDir
return path.resolve(npm.prefix, "node_modules")
}
, enumerable : true
})
Object.defineProperty(npm, "globalDir",
{ get : function () {
return (process.platform !== "win32")
? path.resolve(npm.globalPrefix, "lib", "node_modules")
: path.resolve(npm.globalPrefix, "node_modules")
}
, enumerable : true
})
Object.defineProperty(npm, "root",
{ get : function () { return npm.dir } })
Object.defineProperty(npm, "cache",
{ get : function () { return npm.config.get("cache") }
, set : function (r) { return npm.config.set("cache", r) }
, enumerable : true
})
var tmpFolder
Object.defineProperty(npm, "tmp",
{ get : function () {
if (!tmpFolder) tmpFolder = "npm-" + process.pid
return path.resolve(npm.config.get("tmp"), tmpFolder)
}
, enumerable : true
})
// the better to repl you with
Object.getOwnPropertyNames(npm.commands).forEach(function (n) {
if (npm.hasOwnProperty(n) || n === "config") return
Object.defineProperty(npm, n, { get: function () {
return function () {
var args = Array.prototype.slice.call(arguments, 0)
, cb = defaultCb
if (args.length === 1 && Array.isArray(args[0])) {
args = args[0]
}
if (typeof args[args.length - 1] === "function") {
cb = args.pop()
}
npm.commands[n](args, cb)
}
}, enumerable: false, configurable: true })
})
if (require.main === module) {
require("../bin/npm-cli.js")
}
})()