module.exports = installedShallow var npm = require("../../npm.js") , fs = require("graceful-fs") , path = require("path") , readJson = require("read-package-json") , asyncMap = require("slide").asyncMap function installedShallow (opts, filter, cb) { if (typeof cb !== "function") cb = filter, filter = null var conf = opts.conf , args = conf.argv.remain if (args.length > 3) return cb() var local , global , localDir = npm.dir , globalDir = npm.globalDir if (npm.config.get("global")) local = [], next() else fs.readdir(localDir, function (er, pkgs) { local = (pkgs || []).filter(function (p) { return p.charAt(0) !== "." }) next() }) fs.readdir(globalDir, function (er, pkgs) { global = (pkgs || []).filter(function (p) { return p.charAt(0) !== "." }) next() }) function next () { if (!local || !global) return filterInstalled(local, global, filter, cb) } } function filterInstalled (local, global, filter, cb) { var fl , fg if (!filter) { fl = local fg = global return next() } asyncMap(local, function (p, cb) { readJson(path.join(npm.dir, p, "package.json"), function (er, d) { if (!d || !filter(d)) return cb(null, []) return cb(null, d.name) }) }, function (er, local) { fl = local || [] next() }) var globalDir = npm.globalDir asyncMap(global, function (p, cb) { readJson(path.join(globalDir, p, "package.json"), function (er, d) { if (!d || !filter(d)) return cb(null, []) return cb(null, d.name) }) }, function (er, global) { fg = global || [] next() }) function next () { if (!fg || !fl) return if (!npm.config.get("global")) { fg = fg.map(function (g) { return [g, "-g"] }) } console.error("filtered", fl, fg) return cb(null, fl.concat(fg)) } }