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website/node_modules/npm/lib/uninstall.js

@@ -0,0 +1,79 @@
+'use strict'
+// remove a package.
+
+module.exports = uninstall
+
+const path = require('path')
+const validate = require('aproba')
+const readJson = require('read-package-json')
+const iferr = require('iferr')
+const npm = require('./npm.js')
+const Installer = require('./install.js').Installer
+const getSaveType = require('./install/save.js').getSaveType
+const removeDeps = require('./install/deps.js').removeDeps
+const log = require('npmlog')
+const usage = require('./utils/usage')
+
+uninstall.usage = usage(
+  'uninstall',
+  'npm uninstall [<@scope>/]<pkg>[@<version>]... [--save-prod|--save-dev|--save-optional] [--no-save]'
+)
+
+uninstall.completion = require('./utils/completion/installed-shallow.js')
+
+function uninstall (args, cb) {
+  validate('AF', arguments)
+  // the /path/to/node_modules/..
+  const dryrun = !!npm.config.get('dry-run')
+
+  if (args.length === 1 && args[0] === '.') args = []
+
+  const where = npm.config.get('global') || !args.length
+    ? path.resolve(npm.globalDir, '..')
+    : npm.prefix
+
+  args = args.filter(function (a) {
+    return path.resolve(a) !== where
+  })
+
+  if (args.length) {
+    new Uninstaller(where, dryrun, args).run(cb)
+  } else {
+    // 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)
+      new Uninstaller(where, dryrun, [pkg.name]).run(cb)
+    })
+  }
+}
+
+class Uninstaller extends Installer {
+  constructor (where, dryrun, args) {
+    super(where, dryrun, args)
+    this.remove = []
+  }
+
+  loadArgMetadata (next) {
+    this.args = this.args.map(function (arg) { return {name: arg} })
+    next()
+  }
+
+  loadAllDepsIntoIdealTree (cb) {
+    validate('F', arguments)
+    this.remove = this.args
+    this.args = []
+    log.silly('uninstall', 'loadAllDepsIntoIdealTree')
+    const saveDeps = getSaveType()
+
+    super.loadAllDepsIntoIdealTree(iferr(cb, () => {
+      removeDeps(this.remove, this.idealTree, saveDeps, cb)
+    }))
+  }
+
+  // no top level lifecycles on rm
+  runPreinstallTopLevelLifecycles (cb) { cb() }
+  runPostinstallTopLevelLifecycles (cb) { cb() }
+}
+
+module.exports.Uninstaller = Uninstaller