update packages to latest version

node_modules/npm/lib/uninstall.js

@@ -0,0 +1,128 @@
+
+// remove a package.
+
+module.exports = uninstall
+
+uninstall.usage = "npm uninstall <name>[@<version> [<name>[@<version>] ...]"
+                + "\nnpm rm <name>[@<version> [<name>[@<version>] ...]"
+
+uninstall.completion = require("./utils/completion/installed-shallow.js")
+
+var fs = require("graceful-fs")
+  , writeFileAtomic = require("write-file-atomic")
+  , log = require("npmlog")
+  , readJson = require("read-package-json")
+  , path = require("path")
+  , npm = require("./npm.js")
+  , asyncMap = require("slide").asyncMap
+
+function uninstall (args, cb) {
+  // this is super easy
+  // get the list of args that correspond to package names in either
+  // the global npm.dir,
+  // then call unbuild on all those folders to pull out their bins
+  // and mans and whatnot, and then delete the folder.
+
+  var nm = npm.dir
+  if (args.length === 1 && args[0] === ".") args = []
+  if (args.length) return uninstall_(args, nm, cb)
+
+  // remove this package from the global space, if it's installed there
+  readJson(path.resolve(npm.localPrefix, "package.json"), function (er, pkg) {
+    if (er && er.code !== "ENOENT" && er.code !== "ENOTDIR") return cb(er)
+    if (er) return cb(uninstall.usage)
+    uninstall_( [pkg.name]
+              , npm.globalDir
+              , cb )
+  })
+
+}
+
+function uninstall_ (args, nm, cb) {
+  // if we've been asked to --save or --save-dev or --save-optional,
+  // then also remove it from the associated dependencies hash.
+  var s = npm.config.get('save')
+    , d = npm.config.get('save-dev')
+    , o = npm.config.get('save-optional')
+  if (s || d || o) {
+    cb = saver(args, nm, cb)
+  }
+
+  asyncMap(args, function (arg, cb) {
+    // uninstall .. should not delete /usr/local/lib/node_modules/..
+    var p = path.join(path.resolve(nm), path.join("/", arg))
+    if (path.resolve(p) === nm) {
+      log.warn("uninstall", "invalid argument: %j", arg)
+      return cb(null, [])
+    }
+    fs.lstat(p, function (er) {
+      if (er) {
+        log.warn("uninstall", "not installed in %s: %j", nm, arg)
+        return cb(null, [])
+      }
+      cb(null, p)
+    })
+  }, function (er, folders) {
+    if (er) return cb(er)
+    asyncMap(folders, npm.commands.unbuild, cb)
+  })
+}
+
+function saver (args, nm, cb_) {
+  return cb
+  function cb (er, data) {
+    var s = npm.config.get('save')
+      , d = npm.config.get('save-dev')
+      , o = npm.config.get('save-optional')
+    if (er || !(s || d || o)) return cb_(er, data)
+    var pj = path.resolve(nm, '..', 'package.json')
+    // don't use readJson here, because we don't want all the defaults
+    // filled in, for mans and other bs.
+    fs.readFile(pj, 'utf8', function (er, json) {
+      var pkg
+      try {
+        pkg = JSON.parse(json)
+      } catch (_) {}
+      if (!pkg) return cb_(null, data)
+
+      var bundle
+      if (npm.config.get('save-bundle')) {
+        bundle = pkg.bundleDependencies || pkg.bundledDependencies
+        if (!Array.isArray(bundle)) bundle = undefined
+      }
+
+      var changed = false
+      args.forEach(function (a) {
+        ; [ [s, 'dependencies']
+          , [o, 'optionalDependencies']
+          , [d, 'devDependencies'] ].forEach(function (f) {
+            var flag = f[0]
+              , field = f[1]
+            if (!flag || !pkg[field] || !pkg[field].hasOwnProperty(a)) return
+            changed = true
+
+            if (bundle) {
+              var i = bundle.indexOf(a)
+              if (i !== -1) bundle.splice(i, 1)
+            }
+
+            delete pkg[field][a]
+          })
+      })
+      if (!changed) return cb_(null, data)
+
+      if (bundle) {
+        delete pkg.bundledDependencies
+        if (bundle.length) {
+          pkg.bundleDependencies = bundle
+        } else {
+          delete pkg.bundleDependencies
+        }
+      }
+
+      writeFileAtomic(pj, JSON.stringify(pkg, null, 2) + "\n", function (er) {
+        return cb_(er, data)
+      })
+    })
+  }
+}