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website/node_modules/npm/lib/utils/completion/installed-shallow.js

@@ -0,0 +1,87 @@
+
+module.exports = installedShallow
+
+var npm = require('../../npm.js')
+var fs = require('graceful-fs')
+var path = require('path')
+var readJson = require('read-package-json')
+var asyncMap = require('slide').asyncMap
+
+function installedShallow (opts, filter, cb) {
+  if (typeof cb !== 'function') {
+    cb = filter
+    filter = null
+  }
+  var conf = opts.conf
+  var args = conf.argv.remain
+  if (args.length > 3) return cb()
+  var local
+  var global
+  var localDir = npm.dir
+  var 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
+  var 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))
+  }
+}