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npm.js
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npm.js
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process.title = "npm"
if (require.main === module) {
console.error(["It looks like you're doing 'node npm.js'."
,"Don't do that. Instead, run 'make install'"
,"and then use the 'npm' command line utility."
].join("\n"))
process.exit(1)
}
var EventEmitter = require("events").EventEmitter
, npm = module.exports = new EventEmitter
, config = require("./lib/config")
, set = require("./lib/utils/set")
, get = require("./lib/utils/get")
, ini = require("./lib/utils/ini")
, log = require("./lib/utils/log")
, fs = require("./lib/utils/graceful-fs")
, path = require("path")
, mkdir = require("./lib/utils/mkdir-p")
, abbrev = require("./lib/utils/abbrev")
, which = require("./lib/utils/which")
npm.commands = {}
npm.ELIFECYCLE = {}
npm.E404 = {}
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
} catch (ex) {
try {
log(ex, "error reading version")
} catch (er) {}
npm.version = ex
}
var commandCache = {}
// short names for common things
, aliases = { "rm" : "uninstall"
, "r" : "uninstall"
, "un" : "uninstall"
, "rb" : "rebuild"
, "bn" : "bundle"
, "list" : "ls"
, "ln" : "link"
, "i" : "install"
, "up" : "update"
, "c" : "config"
}
, aliasNames = Object.keys(aliases)
// these are filenames in ./lib
, cmdList = [ "install"
, "activate"
, "deactivate"
, "uninstall"
, "build"
, "link"
, "publish"
, "tag"
, "adduser"
, "config"
, "help"
, "cache"
, "test"
, "stop"
, "start"
, "restart"
, "unpublish"
, "ls"
, "owner"
, "update"
, "update-dependents"
, "view"
, "repl"
, "rebuild"
, "bundle"
, "outdated"
, "init"
, "deprecate"
, "version"
, "edit"
, "explore"
, "docs"
, "faq"
, "run-script"
, "set"
, "get"
, "xmas"
]
, plumbing = [ "build"
, "update-dependents"
, "completion"
]
, fullList = npm.fullList = cmdList.concat(aliasNames).filter(function (c) {
return plumbing.indexOf(c) === -1
})
, abbrevs = abbrev(fullList)
Object.keys(abbrevs).concat(plumbing).forEach(function (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 (commandCache[a]) return commandCache[a]
return commandCache[a] = require(__dirname+"/lib/"+a)
}, enumerable: fullList.indexOf(c) !== -1 })
})
npm.deref = function (c) {
if (plumbing.indexOf(c) !== -1) return c
var a = abbrevs[c]
if (aliases[a]) a = aliases[a]
return a
}
var loaded = false
, loading = false
, loadListeners = []
npm.load = function (conf, cb_) {
if (!cb_ && typeof conf === "function") cb_ = conf , conf = {}
loadListeners.push(cb_)
if (loaded) return cb()
if (loading) return
loading = true
function cb (er) {
loaded = true
loadListeners.forEach(function (cb) {
cb(er, npm)
})
loadListeners.length = 0
}
log.waitForConfig()
which(process.argv[0], function (er, node) {
if (!er && node !== process.execPath) {
log.verbose("node symlink", node)
process.execPath = node
}
ini.resolveConfigs(conf, function (er) {
if (er) return cb(er)
mkdir(npm.tmp, cb)
})
})
}
// Local store for package data, so it won't have to be fetched/read more than
// once in a single pass.
var registry = {}
npm.set = function (key, val) {
if (typeof key === "object" && !val && key._id) {
val = key
key = key._id
}
return set(registry, key, val)
}
npm.get = function (key) { return get(registry, key) }
var path = require("path")
npm.config =
{ get : function (key) { return ini.get(key) }
, set : function (key, val) { return ini.set(key, val, "cli") }
, del : function (key, val) { return ini.del(key, val, "cli") }
}
Object.defineProperty(npm, "root",
{ get : function () { return npm.config.get("root") }
, set : function (r) {
r = r.charAt(0) === "/" ? r
: path.join(process.execPath, "..", "..", r)
return npm.config.set("root", r)
}
, enumerable : true
})
Object.defineProperty(npm, "dir",
{ get : function () { return path.join(npm.root, ".npm") }
, enumerable : true
})
Object.defineProperty(npm, "cache",
{ get : function () { return path.join(npm.root, ".npm", ".cache") }
, enumerable : true
})
var tmpFolder
Object.defineProperty(npm, "tmp",
{ get : function () {
if (!tmpFolder) tmpFolder = "npm-"+Date.now()
return path.join(npm.config.get("tmproot"), tmpFolder)
}
, enumerable : true
})
if (process.getuid() === 0) process.nextTick(function () {
log( "\nRunning npm as root is not recommended!\n"
+ "Seriously, don't do this!\n", "sudon't!", "error")
})