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/*
npm outdated [pkg]
Does the following:
1. check for a new version of pkg
If no packages are specified, then run for all installed
packages.
*/
module.exports = outdated
outdated.usage = "npm outdated [<pkg> [<pkg> ...]]"
outdated.completion = require("./utils/completion/installed-deep")
var readInstalled = require("./utils/read-installed")
, path = require("path")
, fs = require("./utils/graceful-fs")
, readJson = require("./utils/read-json")
, cache = require("./cache")
, asyncMap = require("./utils/async-map")
, npm = require("../npm")
, log = require("./utils/log")
, semver = require("./utils/semver")
// outdated(pref)
// deps = pref/package.json dependencies, or {<pref/node_modules/*>:"*"}
// asyncMap over deps
// if exists and (up to date
// or (not in args and args is not empty))
// return outdated(prefix/node_modules/d)
// else if (in args or args is empty)
// return [prefix, d]
// for each thing in prefix/node_modules/*
// if there's a newer one, report it
// otherwise, check its children
var output
function outdated (args, silent, cb) {
if (typeof cb !== "function") cb = silent, silent = false
outdated_(npm.prefix, args, function (er, list) {
if (er) return cb(er)
if (list.length && !silent) {
var outList = list.map(function (ww) {
return ww[1] + ": "+ww[0] + (ww[2] ? " (currently: "+ww[2]+")":"")
})
output = output || require("./utils/output")
output.write(outList.join("\n"), function (e) {
cb(e, list)
})
} else cb(null, list)
})
}
function outdated_ (prefix, args, cb) {
log(prefix, "outdated_ about to getDeps")
getDeps(prefix, function (er, deps) {
log([prefix, er, deps], "back from getDeps")
if (er) return cb(er)
// now deps is a "dependencies" object, {<name>:<req version>}
asyncMap(Object.keys(deps), function (dep, cb) {
var req = deps[dep]
log([prefix, dep, req], "outdated_")
validateDep(prefix, args, dep, req, function (er, exists, needsUpdate) {
if (er) return cb(er)
log([prefix, dep, req, exists, needsUpdate], "outdated_")
if (needsUpdate) return cb(null, [[prefix, dep, exists]])
else if (!exists) return cb(null, [])
else outdated_(path.resolve(prefix, "node_modules", dep), args, cb)
})
}, cb)
})
}
// return cb with (er, currentVersion or false, needsUpdate boolean)
function validateDep (prefix, args, dep, req, cb) {
var canUpdate = args.length === 0 ? true : args.indexOf(dep) !== -1
, current = -1
, latest
, needsUpdate = false
readJson(path.resolve(prefix, "node_modules", dep,"package.json")
,function (er, data) {
if (er) current = false
else current = data.version
log("back from readJson", "validateDep "+dep)
next()
})
// only check for newer version if we can update this thing.
if (canUpdate) {
log([dep, req], "about to check")
cache.add(dep, req, function (er, data) {
if (er) {
// ignore 404 errors, since it's probably just that they installed
// something locally. other errors indicate something is wrong.
if (er.errno !== npm.E404) return next(er)
canUpdate = false
return next()
}
latest = data.version
log([dep, req, latest, current], "dep, req, latest, current")
next()
})
} else next()
var errState
function next (er) {
log([dep, req, current, latest, canUpdate, er], "validateDep next")
if (errState) return log("error state")
if (er) return cb(errState = er)
if (canUpdate && !latest) return log("waiting for latest")
if (current === -1) return log("waiting for current")
// now we know the current version (or false if it's not there)
// and have the version that it ought to be.
var needsUpdate = canUpdate && semver.gt(latest, current)
cb(null, current, needsUpdate)
}
}
// deps is the package.json dependencies,
// plus any node_modules/* that aren't in the dependencies.
function getDeps (prefix, cb) {
var jsonDeps
, folderDeps
readJson(path.resolve(prefix, "package.json"), function (er, data) {
if (er) jsonDeps = {}
else jsonDeps = data.dependencies || {}
next()
})
var dir = path.resolve(prefix, "node_modules")
fs.readdir(dir, function (er, list) {
if (er) list = []
log(list, "readdir")
list = list.filter(function (l) {
return l.charAt(0) !== "."
})
asyncMap(list, function (l, cb) {
fs.lstat(path.resolve(dir, l), function (er, st) {
if (er) return cb(null, [])
if (!st.isDirectory()) return cb(null, [])
return cb(null, l)
})
}, function (er, list) {
log(list, "asyncMapped over dir")
if (er) return cb(er)
folderDeps = list.reduce(function (l, r) {
l[r] = "*"
return l
}, {}) || {}
next()
})
})
function next () {
log([jsonDeps, folderDeps], "getDeps next")
if (!jsonDeps || !folderDeps) return
Object.keys(jsonDeps).forEach(function (d) {
folderDeps[d] = jsonDeps[d]
})
return cb(null, folderDeps)
}
}
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