fix: Add server property of FtpServer to type definition

bin/index.js

@@ -1,14 +1,14 @@
 #!/usr/bin/env node
 
-const yargs = require('yargs');
-const path = require('path');
+const yargs = require('yargs')
+const path = require('path')
 
-const FtpSrv = require('../src');
-const errors = require('../src/errors');
+const FtpSrv = require('../src')
+const errors = require('../src/errors')
 
-const args = setupYargs();
-const state = setupState(args);
-startFtpServer(state);
+const args = setupYargs()
+const state = setupState(args)
+startFtpServer(state)
 
 function setupYargs() {
   return yargs
@@ -54,80 +54,80 @@ function setupYargs() {
       default: 65535,
       alias: 'pasv_max'
     })
-    .parse();
+    .parse()
 }
 
 function setupState(_args) {
-  const _state = {};
+  const _state = {}
 
   function setupOptions() {
     if (_args._ && _args._.length > 0) {
-      _state.url = _args._[0];
+      _state.url = _args._[0]
     }
-    _state.pasv_url = _args.pasv_url;
-    _state.pasv_min = _args.pasv_min;
-    _state.pasv_max = _args.pasv_max;
-    _state.anonymous = _args.username === '';
+    _state.pasv_url = _args.pasv_url
+    _state.pasv_min = _args.pasv_min
+    _state.pasv_max = _args.pasv_max
+    _state.anonymous = _args.username === ''
   }
 
   function setupRoot() {
-    const dirPath = _args.root;
+    const dirPath = _args.root
     if (dirPath) {
-      _state.root = dirPath;
+      _state.root = dirPath
     } else {
-      _state.root = process.cwd();
+      _state.root = process.cwd()
     }
   }
 
   function setupCredentials() {
-    _state.credentials = {};
+    _state.credentials = {}
 
     const setCredentials = (username, password, root = null) => {
       _state.credentials[username] = {
         password,
         root
-      };
-    };
+      }
+    }
 
     if (_args.credentials) {
-      const credentialsFile = path.resolve(_args.credentials);
-      const credentials = require(credentialsFile);
+      const credentialsFile = path.resolve(_args.credentials)
+      const credentials = require(credentialsFile)
 
       for (const cred of credentials) {
-        setCredentials(cred.username, cred.password, cred.root);
+        setCredentials(cred.username, cred.password, cred.root)
       }
     } else if (_args.username) {
-      setCredentials(_args.username, _args.password);
+      setCredentials(_args.username, _args.password)
     }
   }
 
   function setupCommandBlacklist() {
     if (_args.readOnly) {
-      _state.blacklist = ['ALLO', 'APPE', 'DELE', 'MKD', 'RMD', 'RNRF', 'RNTO', 'STOR', 'STRU'];
+      _state.blacklist = ['ALLO', 'APPE', 'DELE', 'MKD', 'RMD', 'RNRF', 'RNTO', 'STOR', 'STRU']
     }
   }
 
-  setupOptions();
-  setupRoot();
-  setupCredentials();
-  setupCommandBlacklist();
+  setupOptions()
+  setupRoot()
+  setupCredentials()
+  setupCommandBlacklist()
 
-  return _state;
+  return _state
 }
 
 function startFtpServer(_state) {
   // Remove null/undefined options so they get set to defaults, below
   for (const key in _state) {
-    if (_state[key] === undefined) delete _state[key];
+    if (_state[key] === undefined) delete _state[key]
   }
 
   function checkLogin(data, resolve, reject) {
-    const user = _state.credentials[data.username];
-    if (_state.anonymous || user && user.password === data.password) {
-      return resolve({root: user && user.root || _state.root});
+    const user = _state.credentials[data.username]
+    if (_state.anonymous || (user && user.password === data.password)) {
+      return resolve({ root: (user && user.root) || _state.root })
     }
 
-    return reject(new errors.GeneralError('Invalid username or password', 401));
+    return reject(new errors.GeneralError('Invalid username or password', 401))
   }
 
   const ftpServer = new FtpSrv({
@@ -137,8 +137,8 @@ function startFtpServer(_state) {
     pasv_max: _state.pasv_max,
     anonymous: _state.anonymous,
     blacklist: _state.blacklist
-  });
+  })
 
-  ftpServer.on('login', checkLogin);
-  ftpServer.listen();
+  ftpServer.on('login', checkLogin)
+  ftpServer.listen()
 }

ftp-srv.d.ts

@@ -1,44 +1,59 @@
-import * as tls from 'tls'
-import { Stats } from 'fs'
-import { EventEmitter } from 'events';
+import type { Server } from 'node:net'
+const EventEmitter = import('events').EventEmitter
 
 export class FileSystem {
+  readonly connection: FtpConnection
+  readonly root: string
+  readonly cwd: string
 
-	readonly connection: FtpConnection;
-	readonly root: string;
-	readonly cwd: string;
+  constructor(
+    connection: FtpConnection,
+    {
+      root,
+      cwd
+    }?: {
+      root: any
+      cwd: any
+    }
+  )
 
-    constructor(connection: FtpConnection, {root, cwd}?: {
-        root: any;
-        cwd: any;
-    });
+  currentDirectory(): string
 
-    currentDirectory(): string;
+  get(fileName: string): Promise<any>
 
-    get(fileName: string): Promise<any>;
+  list(path?: string): Promise<any>
 
-    list(path?: string): Promise<any>;
+  chdir(path?: string): Promise<string>
 
-    chdir(path?: string): Promise<string>;
+  write(
+    fileName: string,
+    {
+      append,
+      start
+    }?: {
+      append?: boolean
+      start?: any
+    }
+  ): any
 
-    write(fileName: string, {append, start}?: {
-        append?: boolean;
-        start?: any;
-    }): any;
+  read(
+    fileName: string,
+    {
+      start
+    }?: {
+      start?: any
+    }
+  ): Promise<any>
 
-    read(fileName: string, {start}?: {
-        start?: any;
-    }): Promise<any>;
+  delete(path: string): Promise<any>
 
-    delete(path: string): Promise<any>;
+  mkdir(path: string): Promise<any>
 
-    mkdir(path: string): Promise<any>;
+  rename(from: string, to: string): Promise<any>
 
-    rename(from: string, to: string): Promise<any>;
+  chmod(path: string, mode: string): Promise<any>
 
-    chmod(path: string, mode: string): Promise<any>;
-
-    getUniqueName(fileName: string): string;
+  getUniqueName(fileName: string): string
 }
 
 export class GeneralError extends Error {
@@ -46,7 +61,7 @@ export class GeneralError extends Error {
    * @param message The error message.
    * @param code Default value is `400`.
    */
-  constructor(message: string, code?: number);
+  constructor(message: string, code?: number)
 }
 
 export class SocketError extends Error {
@@ -54,7 +69,7 @@ export class SocketError extends Error {
    * @param message The error message.
    * @param code Default value is `500`.
    */
-  constructor(message: string, code?: number);
+  constructor(message: string, code?: number)
 }
 
 export class FileSystemError extends Error {
@@ -62,7 +77,7 @@ export class FileSystemError extends Error {
    * @param message The error message.
    * @param code Default value is `400`.
    */
-  constructor(message: string, code?: number);
+  constructor(message: string, code?: number)
 }
 
 export class ConnectorError extends Error {
@@ -70,97 +85,95 @@ export class ConnectorError extends Error {
    * @param message The error message.
    * @param code Default value is `400`.
    */
-  constructor(message: string, code?: number);
+  constructor(message: string, code?: number)
 }
 
 export class FtpConnection extends EventEmitter {
-	server: FtpServer;
-	id: string;
-	log: any;
-	transferType: string;
-	encoding: string;
-	bufferSize: boolean;
-	readonly ip: string;
-	restByteCount: number | undefined;
-	secure: boolean
-
-	close (code: number, message: number): Promise<any>
-	login (username: string, password: string): Promise<any>
-	reply (options: number | Object, ...letters: Array<any>): Promise<any>
+  server: FtpServer
+  id: string
+  log: any
+  transferType: string
+  encoding: string
+  bufferSize: boolean
+  readonly ip: string
+  restByteCount: number | undefined
+  secure: boolean
 
+  close(code: number, message: number): Promise<any>
+  login(username: string, password: string): Promise<any>
+  reply(options: number | Object, ...letters: Array<any>): Promise<any>
 }
 
 export interface FtpServerOptions {
-    url?: string,
-    pasv_min?: number,
-    pasv_max?: number,
-    pasv_url?: string,
-    greeting?: string | string[],
-    tls?: tls.SecureContextOptions | false,
-    anonymous?: boolean,
-    blacklist?: Array<string>,
-    whitelist?: Array<string>,
-    file_format?: (stat: Stats) => string | Promise<string> | "ls" | "ep",
-	log?: any,
-	timeout?: number
+  url?: string
+  pasv_min?: number
+  pasv_max?: number
+  pasv_url?: string
+  random_pasv_port?: boolean
+  greeting?: string | string[]
+  tls?: import('tls').SecureContextOptions | false
+  anonymous?: boolean
+  blacklist?: Array<string>
+  whitelist?: Array<string>
+  file_format?: ((stat: import('fs').Stats) => string) | 'ls' | 'ep'
+  log?: any
+  timeout?: number
 }
 
 export class FtpServer extends EventEmitter {
-    constructor(options?: FtpServerOptions);
+  server: Server
+  constructor(options?: FtpServerOptions)
 
-    readonly isTLS: boolean;
+  readonly isTLS: boolean
 
-    listen(): any;
+  listen(): any
 
-    emitPromise(action: any, ...data: any[]): Promise<any>;
+  emitPromise(action: any, ...data: any[]): Promise<any>
 
-    // emit is exported from super class
+  // emit is exported from super class
 
-    setupTLS(_tls: boolean): boolean | {
-      cert: string;
-      key: string;
-      ca: string
-    };
+  setupTLS(_tls: boolean):
+    | boolean
+    | {
+        cert: string
+        key: string
+        ca: string
+      }
 
-    setupGreeting(greet: string): string[];
+  setupGreeting(greet: string): string[]
 
-    setupFeaturesMessage(): string;
+  setupFeaturesMessage(): string
 
-    disconnectClient(id: string): Promise<any>;
+  disconnectClient(id: string): Promise<any>
 
-    close(): any;
+  close(): any
 
-	on(event: "login", listener: (
-		data: {
-			connection: FtpConnection,
-			username: string,
-			password: string
-		},
-		resolve: (config: {
-            fs?: FileSystem,
-            root?: string,
-            cwd?: string,
-            blacklist?: Array<string>,
-            whitelist?: Array<string>
-        }) => void,
-		reject: (err?: Error) => void
-  ) => void): this;
+  on(
+    event: 'login',
+    listener: (
+      data: {
+        connection: FtpConnection
+        username: string
+        password: string
+      },
+      resolve: (config: {
+        fs?: FileSystem
+        root?: string
+        cwd?: string
+        blacklist?: Array<string>
+        whitelist?: Array<string>
+      }) => void,
+      reject: (err?: Error) => void
+    ) => void
+  ): this
 
-	on(event: "disconnect", listener: (
-		data: {
-      connection: FtpConnection,
-      id: string
-		}
-	) => void): this;
+  on(event: 'disconnect', listener: (data: { connection: FtpConnection; id: string }) => void): this
 
-	on(event: "client-error", listener: (
-		data: {
-			connection: FtpConnection,
-			context: string,
-			error: Error,
-		}
-	) => void): this;
+  on(
+    event: 'client-error',
+    listener: (data: { connection: FtpConnection; context: string; error: Error }) => void
+  ): this
 }
 
-export {FtpServer as FtpSrv};
-export default FtpServer;
+export { FtpServer as FtpSrv }
+export default FtpServer

ftp-srv.js

@@ -1,8 +1,6 @@
-const FtpSrv = require('./src');
-const FileSystem = require('./src/fs');
-const errors = require('./src/errors');
+import FtpSrv from './src/index.js'
+import FileSystem from './src/fs.js'
+import ftpErrors from './src/errors.js'
 
-module.exports = FtpSrv;
-module.exports.FtpSrv = FtpSrv;
-module.exports.FileSystem = FileSystem;
-module.exports.ftpErrors = errors;
+export default FtpSrv
+export { FtpSrv, FileSystem, ftpErrors }

meta/contributors/contributors.js

@@ -1,27 +1,30 @@
-const {get} = require('https');
+const { get } = require('https')
 
-get('https://api.github.com/repos/trs/ftp-srv/contributors', {
-  headers: {
-    'User-Agent': 'Chrome'
-  }
-}, (res) => {
-  let response = '';
-  res.on('data', (data) => {
-    response += data;
-  });
-  res.on('end', () => {
-    const contributors = JSON.parse(response)
-      .filter((contributor) => contributor.type === 'User');
-
-    for (const contributor of contributors) {
-      const url = contributor.html_url;
-      const username = contributor.login;
-
-      const markdown = `- [${username}](${url})\n`;
-
-      process.stdout.write(markdown);
+get(
+  'https://api.github.com/repos/trs/ftp-srv/contributors',
+  {
+    headers: {
+      'User-Agent': 'Chrome'
     }
-  });
-}).on('error', (err) => {
-  process.stderr.write(err);
-});
+  },
+  (res) => {
+    let response = ''
+    res.on('data', (data) => {
+      response += data
+    })
+    res.on('end', () => {
+      const contributors = JSON.parse(response).filter((contributor) => contributor.type === 'User')
+
+      for (const contributor of contributors) {
+        const url = contributor.html_url
+        const username = contributor.login
+
+        const markdown = `- [${username}](${url})\n`
+
+        process.stdout.write(markdown)
+      }
+    })
+  }
+).on('error', (err) => {
+  process.stderr.write(err)
+})

meta/logo/generate.js

@@ -1,23 +1,25 @@
-const puppeteer = require('puppeteer');
-const logoPath = `file://${process.cwd()}/logo/logo.html`;
+const puppeteer = require('puppeteer')
+const logoPath = `file://${process.cwd()}/logo/logo.html`
 
-puppeteer.launch()
-.then(browser => {
-  return browser.newPage()
-  .then(page => {
-    return page.goto(logoPath)
-    .then(() => page);
-  })
-  .then(page => {
-    return page.setViewport({
-      width: 600,
-      height: 250,
-      deviceScaleFactor: 2
+puppeteer.launch().then((browser) => {
+  return browser
+    .newPage()
+    .then((page) => {
+      return page.goto(logoPath).then(() => page)
     })
-    .then(() => page.screenshot({
-      path: 'logo.png',
-      omitBackground: true
-    }));
-  })
-  .then(() => browser.close());
-});
+    .then((page) => {
+      return page
+        .setViewport({
+          width: 600,
+          height: 250,
+          deviceScaleFactor: 2
+        })
+        .then(() =>
+          page.screenshot({
+            path: 'logo.png',
+            omitBackground: true
+          })
+        )
+    })
+    .then(() => browser.close())
+})

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "ftp-srv",
+  "name": "@tabshift/ftp-srv",
   "version": "0.0.0",
   "description": "Modern, extensible FTP Server",
   "keywords": [
@@ -17,6 +17,7 @@
     "bin",
     "ftp-srv.d.ts"
   ],
+  "type": "module",
   "main": "ftp-srv.js",
   "bin": "./bin/index.js",
   "types": "./ftp-srv.d.ts",

src/commands/index.js

@@ -1,76 +1,76 @@
-const _ = require('lodash');
-const Promise = require('bluebird');
+import _ from 'lodash'
+import Promise from 'bluebird'
+import REGISTRY from './registry.js'
 
-const REGISTRY = require('./registry');
+const CMD_FLAG_REGEX = new RegExp(/^-(\w{1})$/)
 
-const CMD_FLAG_REGEX = new RegExp(/^-(\w{1})$/);
-
-class FtpCommands {
+export default class FtpCommands {
   constructor(connection) {
-    this.connection = connection;
-    this.previousCommand = {};
-    this.blacklist = _.get(this.connection, 'server.options.blacklist', []).map((cmd) => _.upperCase(cmd));
-    this.whitelist = _.get(this.connection, 'server.options.whitelist', []).map((cmd) => _.upperCase(cmd));
+    this.connection = connection
+    this.previousCommand = {}
+    this.blacklist = _.get(this.connection, 'server.options.blacklist', []).map((cmd) => _.upperCase(cmd))
+    this.whitelist = _.get(this.connection, 'server.options.whitelist', []).map((cmd) => _.upperCase(cmd))
   }
 
   parse(message) {
-    const strippedMessage = message.replace(/"/g, '');
-    let [directive, ...args] = strippedMessage.split(' ');
-    directive = _.chain(directive).trim().toUpper().value();
+    const strippedMessage = message.replace(/"/g, '')
+    let [directive, ...args] = strippedMessage.split(' ')
+    directive = _.chain(directive).trim().toUpper().value()
 
-    const parseCommandFlags = !['RETR', 'SIZE', 'STOR'].includes(directive);
-    const params = args.reduce(({arg, flags}, param) => {
-      if (parseCommandFlags && CMD_FLAG_REGEX.test(param)) flags.push(param);
-      else arg.push(param);
-      return {arg, flags};
-    }, {arg: [], flags: []});
+    const parseCommandFlags = !['RETR', 'SIZE', 'STOR'].includes(directive)
+    const params = args.reduce(
+      ({ arg, flags }, param) => {
+        if (parseCommandFlags && CMD_FLAG_REGEX.test(param)) flags.push(param)
+        else arg.push(param)
+        return { arg, flags }
+      },
+      { arg: [], flags: [] }
+    )
 
     const command = {
       directive,
       arg: params.arg.length ? params.arg.join(' ') : null,
       flags: params.flags,
       raw: message
-    };
-    return command;
+    }
+    return command
   }
 
   handle(command) {
-    if (typeof command === 'string') command = this.parse(command);
+    if (typeof command === 'string') command = this.parse(command)
 
     // Obfuscate password from logs
-    const logCommand = _.clone(command);
-    if (logCommand.directive === 'PASS') logCommand.arg = '********';
+    const logCommand = _.clone(command)
+    if (logCommand.directive === 'PASS') logCommand.arg = '********'
 
-    const log = this.connection.log.child({directive: command.directive});
-    log.trace({command: logCommand}, 'Handle command');
+    const log = this.connection.log.child({ directive: command.directive })
+    log.trace({ command: logCommand }, 'Handle command')
 
     if (!REGISTRY.hasOwnProperty(command.directive)) {
-      return this.connection.reply(502, `Command not allowed: ${command.directive}`);
+      return this.connection.reply(502, `Command not allowed: ${command.directive}`)
     }
 
     if (_.includes(this.blacklist, command.directive)) {
-      return this.connection.reply(502, `Command blacklisted: ${command.directive}`);
+      return this.connection.reply(502, `Command blacklisted: ${command.directive}`)
     }
 
     if (this.whitelist.length > 0 && !_.includes(this.whitelist, command.directive)) {
-      return this.connection.reply(502, `Command not whitelisted: ${command.directive}`);
+      return this.connection.reply(502, `Command not whitelisted: ${command.directive}`)
     }
 
-    const commandRegister = REGISTRY[command.directive];
-    const commandFlags = _.get(commandRegister, 'flags', {});
+    const commandRegister = REGISTRY[command.directive]
+    const commandFlags = _.get(commandRegister, 'flags', {})
     if (!commandFlags.no_auth && !this.connection.authenticated) {
-      return this.connection.reply(530, `Command requires authentication: ${command.directive}`);
+      return this.connection.reply(530, `Command requires authentication: ${command.directive}`)
     }
 
     if (!commandRegister.handler) {
-      return this.connection.reply(502, `Handler not set on command: ${command.directive}`);
+      return this.connection.reply(502, `Handler not set on command: ${command.directive}`)
     }
 
-    const handler = commandRegister.handler.bind(this.connection);
-    return Promise.resolve(handler({log, command, previous_command: this.previousCommand}))
-    .then(() => {
-      this.previousCommand = _.clone(command);
-    });
+    const handler = commandRegister.handler.bind(this.connection)
+    return Promise.resolve(handler({ log, command, previous_command: this.previousCommand })).then(() => {
+      this.previousCommand = _.clone(command)
+    })
   }
 }
-module.exports = FtpCommands;

src/commands/registration/abor.js

@@ -1,14 +1,14 @@
-module.exports = {
+export default {
   directive: 'ABOR',
   handler: function () {
-    return this.connector.waitForConnection()
-    .then((socket) => {
-      return this.reply(426, {socket})
-      .then(() => this.reply(226));
-    })
-    .catch(() => this.reply(225))
-    .then(() => this.connector.end());
+    return this.connector
+      .waitForConnection()
+      .then((socket) => {
+        return this.reply(426, { socket }).then(() => this.reply(226))
+      })
+      .catch(() => this.reply(225))
+      .then(() => this.connector.end())
   },
   syntax: '{{cmd}}',
   description: 'Abort an active file transfer'
-};
+}

src/commands/registration/allo.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'ALLO',
   handler: function () {
-    return this.reply(202);
+    return this.reply(202)
   },
   syntax: '{{cmd}}',
   description: 'Allocate sufficient disk space to receive a file',
   flags: {
     obsolete: true
   }
-};
+}

src/commands/registration/appe.js

@@ -1,10 +1,10 @@
-const stor = require('./stor').handler;
+import stor from './stor.js'
 
-module.exports = {
+export default {
   directive: 'APPE',
   handler: function (args) {
-    return stor.call(this, args);
+    return stor.handler.call(this, args)
   },
   syntax: '{{cmd}} <path>',
   description: 'Append to a file'
-};
+}

src/commands/registration/auth.js

@@ -1,14 +1,16 @@
-const _ = require('lodash');
-const tls = require('tls');
+import _ from 'lodash'
+import tls from 'node:tls'
 
-module.exports = {
+export default {
   directive: 'AUTH',
-  handler: function ({command} = {}) {
-    const method = _.upperCase(command.arg);
+  handler: function ({ command } = {}) {
+    const method = _.upperCase(command.arg)
 
     switch (method) {
-      case 'TLS': return handleTLS.call(this);
-      default: return this.reply(504);
+      case 'TLS':
+        return handleTLS.call(this)
+      default:
+        return this.reply(504)
     }
   },
   syntax: '{{cmd}} <type>',
@@ -17,26 +19,25 @@ module.exports = {
     no_auth: true,
     feat: 'AUTH TLS'
   }
-};
+}
 
 function handleTLS() {
-  if (!this.server.options.tls) return this.reply(502);
-  if (this.secure) return this.reply(202);
+  if (!this.server.options.tls) return this.reply(502)
+  if (this.secure) return this.reply(202)
 
-  return this.reply(234)
-  .then(() => {
-    const secureContext = tls.createSecureContext(this.server.options.tls);
+  return this.reply(234).then(() => {
+    const secureContext = tls.createSecureContext(this.server.options.tls)
     const secureSocket = new tls.TLSSocket(this.commandSocket, {
       isServer: true,
       secureContext
-    });
-    ['data', 'timeout', 'end', 'close', 'drain', 'error'].forEach((event) => {
+    })
+    ;['data', 'timeout', 'end', 'close', 'drain', 'error'].forEach((event) => {
       function forwardEvent() {
-        this.emit.apply(this, arguments);
+        this.emit.apply(this, arguments)
       }
-      secureSocket.on(event, forwardEvent.bind(this.commandSocket, event));
-    });
-    this.commandSocket = secureSocket;
-    this.secure = true;
-  });
+      secureSocket.on(event, forwardEvent.bind(this.commandSocket, event))
+    })
+    this.commandSocket = secureSocket
+    this.secure = true
+  })
 }

src/commands/registration/cdup.js

@@ -1,11 +1,11 @@
-const cwd = require('./cwd').handler;
+import cwd from './cwd.js'
 
-module.exports = {
+export default {
   directive: ['CDUP', 'XCUP'],
   handler: function (args) {
-    args.command.arg = '..';
-    return cwd.call(this, args);
+    args.command.arg = '..'
+    return cwd.handler.call(this, args)
   },
   syntax: '{{cmd}}',
   description: 'Change to Parent Directory'
-};
+}

src/commands/registration/cwd.js

@@ -1,22 +1,22 @@
-const Promise = require('bluebird');
-const escapePath = require('../../helpers/escape-path');
+import Promise from 'bluebird'
+import escapePath from '../../helpers/escape-path.js'
 
-module.exports = {
+export default {
   directive: ['CWD', 'XCWD'],
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.chdir) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.chdir) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.chdir(command.arg))
-    .then((cwd) => {
-      const path = cwd ? `"${escapePath(cwd)}"` : undefined;
-      return this.reply(250, path);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then((cwd) => {
+        const path = cwd ? `"${escapePath(cwd)}"` : undefined
+        return this.reply(250, path)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Change working directory'
-};
+}

src/commands/registration/dele.js

@@ -1,20 +1,20 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'DELE',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.delete) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.delete) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.delete(command.arg))
-    .then(() => {
-      return this.reply(250);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then(() => {
+        return this.reply(250)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Delete file'
-};
+}

src/commands/registration/eprt.js

@@ -1,26 +1,27 @@
-const _ = require('lodash');
-const ActiveConnector = require('../../connector/active');
+import _ from 'lodash'
+import ActiveConnector from '../../connector/active.js'
 
 const FAMILY = {
   1: 4,
   2: 6
-};
+}
 
-module.exports = {
+export default {
   directive: 'EPRT',
-  handler: function ({log, command} = {}) {
-    const [, protocol, ip, port] = _.chain(command).get('arg', '').split('|').value();
-    const family = FAMILY[protocol];
-    if (!family) return this.reply(504, 'Unknown network protocol');
+  handler: function ({ log, command } = {}) {
+    const [, protocol, ip, port] = _.chain(command).get('arg', '').split('|').value()
+    const family = FAMILY[protocol]
+    if (!family) return this.reply(504, 'Unknown network protocol')
 
-    this.connector = new ActiveConnector(this);
-    return this.connector.setupConnection(ip, port, family)
-    .then(() => this.reply(200))
-    .catch((err) => {
-      log.error(err);
-      return this.reply(err.code || 425, err.message);
-    });
+    this.connector = new ActiveConnector(this)
+    return this.connector
+      .setupConnection(ip, port, family)
+      .then(() => this.reply(200))
+      .catch((err) => {
+        log.error(err)
+        return this.reply(err.code || 425, err.message)
+      })
   },
   syntax: '{{cmd}} |<protocol>|<address>|<port>|',
   description: 'Specifies an address and port to which the server should connect'
-};
+}

src/commands/registration/epsv.js

@@ -1,20 +1,21 @@
-const PassiveConnector = require('../../connector/passive');
+import PassiveConnector from '../../connector/passive.js'
 
-module.exports = {
+export default {
   directive: 'EPSV',
-  handler: function ({log}) {
-    this.connector = new PassiveConnector(this);
-    return this.connector.setupServer()
-    .then((server) => {
-      const {port} = server.address();
+  handler: function ({ log }) {
+    this.connector = new PassiveConnector(this)
+    return this.connector
+      .setupServer()
+      .then((server) => {
+        const { port } = server.address()
 
-      return this.reply(229, `EPSV OK (|||${port}|)`);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(err.code || 425, err.message);
-    });
+        return this.reply(229, `EPSV OK (|||${port}|)`)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(err.code || 425, err.message)
+      })
   },
   syntax: '{{cmd}} [<protocol>]',
   description: 'Initiate passive mode'
-};
+}

src/commands/registration/feat.js

@@ -1,27 +1,30 @@
-const _ = require('lodash');
+import _ from 'lodash'
 
-module.exports = {
+export default {
   directive: 'FEAT',
   handler: function () {
-    const registry = require('../registry');
+    const registry = import('../registry')
     const features = Object.keys(registry)
-      .reduce((feats, cmd) => {
-        const feat = _.get(registry[cmd], 'flags.feat', null);
-        if (feat) return _.concat(feats, feat);
-        return feats;
-      }, ['UTF8'])
+      .reduce(
+        (feats, cmd) => {
+          const feat = _.get(registry[cmd], 'flags.feat', null)
+          if (feat) return _.concat(feats, feat)
+          return feats
+        },
+        ['UTF8']
+      )
       .sort()
       .map((feat) => ({
         message: ` ${feat}`,
         raw: true
-      }));
+      }))
     return features.length
       ? this.reply(211, 'Extensions supported', ...features, 'End')
-      : this.reply(211, 'No features');
+      : this.reply(211, 'No features')
   },
   syntax: '{{cmd}}',
   description: 'Get the feature list implemented by the server',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/help.js

@@ -1,24 +1,30 @@
-const _ = require('lodash');
+import _ from 'lodash'
 
-module.exports = {
+export default {
   directive: 'HELP',
-  handler: function ({command} = {}) {
-    const registry = require('../registry');
-    const directive = _.upperCase(command.arg);
+  handler: function ({ command } = {}) {
+    const registry = import('../registry')
+    const directive = _.upperCase(command.arg)
     if (directive) {
-      if (!registry.hasOwnProperty(directive)) return this.reply(502, `Unknown command ${directive}.`);
+      if (!registry.hasOwnProperty(directive)) return this.reply(502, `Unknown command ${directive}.`)
 
-      const {syntax, description} = registry[directive];
-      const reply = _.concat([syntax.replace('{{cmd}}', directive), description]);
-      return this.reply(214, ...reply);
+      const { syntax, description } = registry[directive]
+      const reply = _.concat([syntax.replace('{{cmd}}', directive), description])
+      return this.reply(214, ...reply)
     } else {
-      const supportedCommands = _.chunk(Object.keys(registry), 5).map((chunk) => chunk.join('\t'));
-      return this.reply(211, 'Supported commands:', ...supportedCommands, 'Use "HELP [command]" for syntax help.');
+      const supportedCommands = _.chunk(Object.keys(registry), 5).map((chunk) => chunk.join('\t'))
+      return this.reply(
+        211,
+        'Supported commands:',
+        ...supportedCommands,
+        'Use "HELP [command]" for syntax help.'
+      )
     }
   },
   syntax: '{{cmd}} [<command>]',
-  description: 'Returns usage documentation on a command if specified, else a general help document is returned',
+  description:
+    'Returns usage documentation on a command if specified, else a general help document is returned',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/list.js

@@ -1,57 +1,61 @@
-const _ = require('lodash');
-const Promise = require('bluebird');
-const getFileStat = require('../../helpers/file-stat');
+import _ from 'lodash'
+import Promise from 'bluebird'
+import getFileStat from '../../helpers/file-stat.js'
 
 // http://cr.yp.to/ftp/list.html
 // http://cr.yp.to/ftp/list/eplf.html
-module.exports = {
+export default {
   directive: 'LIST',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.get) return this.reply(402, 'Not supported by file system');
-    if (!this.fs.list) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.get) return this.reply(402, 'Not supported by file system')
+    if (!this.fs.list) return this.reply(402, 'Not supported by file system')
 
-    const simple = command.directive === 'NLST';
+    const simple = command.directive === 'NLST'
 
-    const path = command.arg || '.';
-    return this.connector.waitForConnection()
-    .tap(() => this.commandSocket.pause())
-    .then(() => Promise.try(() => this.fs.get(path)))
-    .then((stat) => stat.isDirectory() ? Promise.try(() => this.fs.list(path)) : [stat])
-    .then((files) => {
-      const getFileMessage = (file) => {
-        if (simple) return file.name;
-        return getFileStat(file, _.get(this, 'server.options.file_format', 'ls'));
-      };
+    const path = command.arg || '.'
+    return this.connector
+      .waitForConnection()
+      .tap(() => this.commandSocket.pause())
+      .then(() => Promise.try(() => this.fs.get(path)))
+      .then((stat) => (stat.isDirectory() ? Promise.try(() => this.fs.list(path)) : [stat]))
+      .then((files) => {
+        const getFileMessage = (file) => {
+          if (simple) return file.name
+          return getFileStat(file, _.get(this, 'server.options.file_format', 'ls'))
+        }
 
-      return Promise.try(() => files.map((file) => {
-        const message = getFileMessage(file);
-        return {
-          raw: true,
-          message,
-          socket: this.connector.socket
-        };
-      }));
-    })
-    .tap(() => this.reply(150))
-    .then((fileList) => {
-      if (fileList.length) return this.reply({}, ...fileList);
-      return this.reply({socket: this.connector.socket, useEmptyMessage: true});
-    })
-    .tap(() => this.reply(226))
-    .catch(Promise.TimeoutError, (err) => {
-      log.error(err);
-      return this.reply(425, 'No connection established');
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(451, err.message || 'No directory');
-    })
-    .then(() => {
-      this.connector.end();
-      this.commandSocket.resume();
-    });
+        return Promise.try(() =>
+          files.map((file) => {
+            const message = getFileMessage(file)
+            return {
+              raw: true,
+              message,
+              socket: this.connector.socket
+            }
+          })
+        )
+      })
+      .tap(() => this.reply(150))
+      .then((fileList) => {
+        if (fileList.length) return this.reply({}, ...fileList)
+        return this.reply({ socket: this.connector.socket, useEmptyMessage: true })
+      })
+      .tap(() => this.reply(226))
+      .catch(Promise.TimeoutError, (err) => {
+        log.error(err)
+        return this.reply(425, 'No connection established')
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(451, err.message || 'No directory')
+      })
+      .then(() => {
+        this.connector.end()
+        this.commandSocket.resume()
+      })
   },
   syntax: '{{cmd}} [<path>]',
-  description: 'Returns information of a file or directory if specified, else information of the current working directory is returned'
-};
+  description:
+    'Returns information of a file or directory if specified, else information of the current working directory is returned'
+}

src/commands/registration/mdtm.js

@@ -1,25 +1,25 @@
-const Promise = require('bluebird');
-const moment = require('moment');
+import Promise from 'bluebird'
+import moment from 'moment'
 
-module.exports = {
+export default {
   directive: 'MDTM',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.get) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.get) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.get(command.arg))
-    .then((fileStat) => {
-      const modificationTime = moment.utc(fileStat.mtime).format('YYYYMMDDHHmmss.SSS');
-      return this.reply(213, modificationTime);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then((fileStat) => {
+        const modificationTime = moment.utc(fileStat.mtime).format('YYYYMMDDHHmmss.SSS')
+        return this.reply(213, modificationTime)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Return the last-modified time of a specified file',
   flags: {
     feat: 'MDTM'
   }
-};
+}

src/commands/registration/mkd.js

@@ -1,22 +1,22 @@
-const Promise = require('bluebird');
-const escapePath = require('../../helpers/escape-path');
+import Promise from 'bluebird'
+import escapePath from '../../helpers/escape-path.js'
 
-module.exports = {
+export default {
   directive: ['MKD', 'XMKD'],
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.mkdir) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.mkdir) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.mkdir(command.arg, { recursive: true }))
-    .then((dir) => {
-      const path = dir ? `"${escapePath(dir)}"` : undefined;
-      return this.reply(257, path);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then((dir) => {
+        const path = dir ? `"${escapePath(dir)}"` : undefined
+        return this.reply(257, path)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Make directory'
-};
+}

src/commands/registration/mode.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'MODE',
-  handler: function ({command} = {}) {
-    return this.reply(/^S$/i.test(command.arg) ? 200 : 504);
+  handler: function ({ command } = {}) {
+    return this.reply(/^S$/i.test(command.arg) ? 200 : 504)
   },
   syntax: '{{cmd}} <mode>',
   description: 'Sets the transfer mode (Stream, Block, or Compressed)',
   flags: {
     obsolete: true
   }
-};
+}

src/commands/registration/nlst.js

@@ -1,10 +1,10 @@
-const list = require('./list').handler;
+import list from './list.js'
 
-module.exports = {
+export default {
   directive: 'NLST',
   handler: function (args) {
-    return list.call(this, args);
+    return list.handler.call(this, args)
   },
   syntax: '{{cmd}} [<path>]',
   description: 'Returns a list of file names in a specified directory'
-};
+}

src/commands/registration/noop.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'NOOP',
   handler: function () {
-    return this.reply(200);
+    return this.reply(200)
   },
   syntax: '{{cmd}}',
   description: 'No operation',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/opts.js

@@ -1,38 +1,41 @@
-const _ = require('lodash');
+import _ from 'lodash'
 
 const OPTIONS = {
   UTF8: utf8,
   'UTF-8': utf8
-};
+}
 
-module.exports = {
+export default {
   directive: 'OPTS',
-  handler: function ({command} = {}) {
-    if (!_.has(command, 'arg')) return this.reply(501);
+  handler: function ({ command } = {}) {
+    if (!_.has(command, 'arg')) return this.reply(501)
 
-    const [_option, ...args] = command.arg.split(' ');
-    const option = _.toUpper(_option);
+    const [_option, ...args] = command.arg.split(' ')
+    const option = _.toUpper(_option)
 
-    if (!OPTIONS.hasOwnProperty(option)) return this.reply(501, 'Unknown option command');
-    return OPTIONS[option].call(this, args);
+    if (!OPTIONS.hasOwnProperty(option)) return this.reply(501, 'Unknown option command')
+    return OPTIONS[option].call(this, args)
   },
   syntax: '{{cmd}}',
   description: 'Select options for a feature'
-};
+}
 
 function utf8([setting] = []) {
   const getEncoding = () => {
     switch (_.toUpper(setting)) {
-      case 'ON': return 'utf8';
-      case 'OFF': return 'ascii';
-      default: return null;
+      case 'ON':
+        return 'utf8'
+      case 'OFF':
+        return 'ascii'
+      default:
+        return null
     }
-  };
+  }
 
-  const encoding = getEncoding();
-  if (!encoding) return this.reply(501, 'Unknown setting for option');
+  const encoding = getEncoding()
+  if (!encoding) return this.reply(501, 'Unknown setting for option')
 
-  this.encoding = encoding;
+  this.encoding = encoding
 
-  return this.reply(200, `UTF8 encoding ${_.toLower(setting)}`);
+  return this.reply(200, `UTF8 encoding ${_.toLower(setting)}`)
 }

src/commands/registration/pass.js

@@ -1,25 +1,25 @@
-module.exports = {
+export default {
   directive: 'PASS',
-  handler: function ({log, command} = {}) {
-    if (!this.username) return this.reply(503);
-    if (this.authenticated) return this.reply(202);
+  handler: function ({ log, command } = {}) {
+    if (!this.username) return this.reply(503)
+    if (this.authenticated) return this.reply(202)
 
     // 332 : require account name (ACCT)
 
-    const password = command.arg;
-    if (!password) return this.reply(501, 'Must provide password');
+    const password = command.arg
+    if (!password) return this.reply(501, 'Must provide password')
     return this.login(this.username, password)
-    .then(() => {
-      return this.reply(230);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(530, err.message || 'Authentication failed');
-    });
+      .then(() => {
+        return this.reply(230)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(530, err.message || 'Authentication failed')
+      })
   },
   syntax: '{{cmd}} <password>',
   description: 'Authentication password',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/pasv.js

@@ -1,39 +1,39 @@
-const Promise = require('bluebird');
-const PassiveConnector = require('../../connector/passive');
-const {isLocalIP} = require('../../helpers/is-local');
+import Promise from 'bluebird'
+import PassiveConnector from '../../connector/passive.js'
+import { isLocalIP } from '../../helpers/is-local.js'
 
-module.exports = {
+export default {
   directive: 'PASV',
-  handler: function ({log} = {}) {
+  handler: function ({ log } = {}) {
     if (!this.server.options.pasv_url) {
-      return this.reply(502);
+      return this.reply(502)
     }
 
-    this.connector = new PassiveConnector(this);
-    return this.connector.setupServer()
-    .then((server) => {
-      const {port} = server.address();
-      let pasvAddress = this.server.options.pasv_url;
-      if (typeof pasvAddress === "function") {
-        return Promise.try(() => pasvAddress(this.ip))
-          .then((address) => ({address, port}));
-      }
-      // Allow connecting from local
-      if (isLocalIP(this.ip)) pasvAddress = this.ip;
-      return {address: pasvAddress, port};
-    })
-    .then(({address, port}) => {
-      const host = address.replace(/\./g, ',');
-      const portByte1 = port / 256 | 0;
-      const portByte2 = port % 256;
+    this.connector = new PassiveConnector(this)
+    return this.connector
+      .setupServer()
+      .then((server) => {
+        const { port } = server.address()
+        let pasvAddress = this.server.options.pasv_url
+        if (typeof pasvAddress === 'function') {
+          return Promise.try(() => pasvAddress(this.ip)).then((address) => ({ address, port }))
+        }
+        // Allow connecting from local
+        if (isLocalIP(this.ip)) pasvAddress = this.ip
+        return { address: pasvAddress, port }
+      })
+      .then(({ address, port }) => {
+        const host = address.replace(/\./g, ',')
+        const portByte1 = (port / 256) | 0
+        const portByte2 = port % 256
 
-      return this.reply(227, `PASV OK (${host},${portByte1},${portByte2})`);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(err.code || 425, err.message);
-    });
+        return this.reply(227, `PASV OK (${host},${portByte1},${portByte2})`)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(err.code || 425, err.message)
+      })
   },
   syntax: '{{cmd}}',
   description: 'Initiate passive mode'
-};
+}

src/commands/registration/pbsz.js

@@ -1,9 +1,9 @@
-module.exports = {
+export default {
   directive: 'PBSZ',
-  handler: function ({command} = {}) {
-    if (!this.secure) return this.reply(202, 'Not supported');
-    this.bufferSize = parseInt(command.arg, 10);
-    return this.reply(200, this.bufferSize === 0 ? 'OK' : 'Buffer too large: PBSZ=0');
+  handler: function ({ command } = {}) {
+    if (!this.secure) return this.reply(202, 'Not supported')
+    this.bufferSize = parseInt(command.arg, 10)
+    return this.reply(200, this.bufferSize === 0 ? 'OK' : 'Buffer too large: PBSZ=0')
   },
   syntax: '{{cmd}}',
   description: 'Protection Buffer Size',
@@ -11,4 +11,4 @@ module.exports = {
     no_auth: true,
     feat: 'PBSZ'
   }
-};
+}

src/commands/registration/port.js

@@ -1,25 +1,29 @@
-const _ = require('lodash');
-const ActiveConnector = require('../../connector/active');
+import _ from 'lodash'
+import ActiveConnector from '../../connector/active.js'
 
-module.exports = {
+export default {
   directive: 'PORT',
-  handler: function ({log, command} = {}) {
-    this.connector = new ActiveConnector(this);
+  handler: function ({ log, command } = {}) {
+    this.connector = new ActiveConnector(this)
 
-    const rawConnection = _.get(command, 'arg', '').split(',');
-    if (rawConnection.length !== 6) return this.reply(425);
+    const rawConnection = _.get(command, 'arg', '').split(',')
+    if (rawConnection.length !== 6) return this.reply(425)
 
-    const ip = rawConnection.slice(0, 4).map((b) => parseInt(b)).join('.');
-    const portBytes = rawConnection.slice(4).map((p) => parseInt(p));
-    const port = portBytes[0] * 256 + portBytes[1];
+    const ip = rawConnection
+      .slice(0, 4)
+      .map((b) => parseInt(b))
+      .join('.')
+    const portBytes = rawConnection.slice(4).map((p) => parseInt(p))
+    const port = portBytes[0] * 256 + portBytes[1]
 
-    return this.connector.setupConnection(ip, port)
-    .then(() => this.reply(200))
-    .catch((err) => {
-      log.error(err);
-      return this.reply(err.code || 425, err.message);
-    });
+    return this.connector
+      .setupConnection(ip, port)
+      .then(() => this.reply(200))
+      .catch((err) => {
+        log.error(err)
+        return this.reply(err.code || 425, err.message)
+      })
   },
   syntax: '{{cmd}} <x>,<x>,<x>,<x>,<y>,<y>',
   description: 'Specifies an address and port to which the server should connect'
-};
+}

src/commands/registration/prot.js

@@ -1,17 +1,20 @@
-const _ = require('lodash');
+import _ from 'lodash'
 
-module.exports = {
+export default {
   directive: 'PROT',
-  handler: function ({command} = {}) {
-    if (!this.secure) return this.reply(202, 'Not supported');
-    if (!this.bufferSize && typeof this.bufferSize !== 'number') return this.reply(503);
+  handler: function ({ command } = {}) {
+    if (!this.secure) return this.reply(202, 'Not supported')
+    if (!this.bufferSize && typeof this.bufferSize !== 'number') return this.reply(503)
 
     switch (_.toUpper(command.arg)) {
-      case 'P': return this.reply(200, 'OK');
+      case 'P':
+        return this.reply(200, 'OK')
       case 'C':
       case 'S':
-      case 'E': return this.reply(536, 'Not supported');
-      default: return this.reply(504);
+      case 'E':
+        return this.reply(536, 'Not supported')
+      default:
+        return this.reply(504)
     }
   },
   syntax: '{{cmd}}',
@@ -20,4 +23,4 @@ module.exports = {
     no_auth: true,
     feat: 'PROT'
   }
-};
+}

src/commands/registration/pwd.js

@@ -1,22 +1,22 @@
-const Promise = require('bluebird');
-const escapePath = require('../../helpers/escape-path');
+import Promise from 'bluebird'
+import escapePath from '../../helpers/escape-path.js'
 
-module.exports = {
+export default {
   directive: ['PWD', 'XPWD'],
-  handler: function ({log} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.currentDirectory) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.currentDirectory) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.currentDirectory())
-    .then((cwd) => {
-      const path = cwd ? `"${escapePath(cwd)}"` : undefined;
-      return this.reply(257, path);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then((cwd) => {
+        const path = cwd ? `"${escapePath(cwd)}"` : undefined
+        return this.reply(257, path)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}}',
   description: 'Print current working directory'
-};
+}

src/commands/registration/quit.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'QUIT',
   handler: function () {
-    return this.close(221, 'Client called QUIT');
+    return this.close(221, 'Client called QUIT')
   },
   syntax: '{{cmd}}',
   description: 'Disconnect',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/rest.js

@@ -1,16 +1,16 @@
-const _ = require('lodash');
+import _ from 'lodash'
 
-module.exports = {
+export default {
   directive: 'REST',
-  handler: function ({command} = {}) {
-    const arg = _.get(command, 'arg');
-    const byteCount = parseInt(arg, 10);
+  handler: function ({ command } = {}) {
+    const arg = _.get(command, 'arg')
+    const byteCount = parseInt(arg, 10)
 
-    if (isNaN(byteCount) || byteCount < 0) return this.reply(501, 'Byte count must be 0 or greater');
+    if (isNaN(byteCount) || byteCount < 0) return this.reply(501, 'Byte count must be 0 or greater')
 
-    this.restByteCount = byteCount;
-    return this.reply(350, `Restarting next transfer at ${byteCount}`);
+    this.restByteCount = byteCount
+    return this.reply(350, `Restarting next transfer at ${byteCount}`)
   },
   syntax: '{{cmd}} <byte-count>',
   description: 'Restart transfer from the specified point. Resets after any STORE or RETRIEVE'
-};
+}

src/commands/registration/retr.js

@@ -1,64 +1,66 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'RETR',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.read) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.read) return this.reply(402, 'Not supported by file system')
 
-    const filePath = command.arg;
+    const filePath = command.arg
 
-    return this.connector.waitForConnection()
-    .tap(() => this.commandSocket.pause())
-    .then(() => Promise.try(() => this.fs.read(filePath, {start: this.restByteCount})))
-    .then((fsResponse) => {
-      let {stream, clientPath} = fsResponse;
-      if (!stream && !clientPath) {
-        stream = fsResponse;
-        clientPath = filePath;
-      }
-      const serverPath = stream.path || filePath;
+    return this.connector
+      .waitForConnection()
+      .tap(() => this.commandSocket.pause())
+      .then(() => Promise.try(() => this.fs.read(filePath, { start: this.restByteCount })))
+      .then((fsResponse) => {
+        let { stream, clientPath } = fsResponse
+        if (!stream && !clientPath) {
+          stream = fsResponse
+          clientPath = filePath
+        }
+        const serverPath = stream.path || filePath
 
-      const destroyConnection = (connection, reject) => (err) => {
-        if (connection) connection.destroy(err);
-        reject(err);
-      };
+        const destroyConnection = (connection, reject) => (err) => {
+          if (connection) connection.destroy(err)
+          reject(err)
+        }
 
-      const eventsPromise = new Promise((resolve, reject) => {
-        stream.on('data', (data) => {
-          if (stream) stream.pause();
-          if (this.connector.socket) {
-            this.connector.socket.write(data, () => stream && stream.resume());
-          }
-        });
-        stream.once('end', () => resolve());
-        stream.once('error', destroyConnection(this.connector.socket, reject));
+        const eventsPromise = new Promise((resolve, reject) => {
+          stream.on('data', (data) => {
+            if (stream) stream.pause()
+            if (this.connector.socket) {
+              this.connector.socket.write(data, () => stream && stream.resume())
+            }
+          })
+          stream.once('end', () => resolve())
+          stream.once('error', destroyConnection(this.connector.socket, reject))
 
-        this.connector.socket.once('error', destroyConnection(stream, reject));
-      });
+          this.connector.socket.once('error', destroyConnection(stream, reject))
+        })
 
-      this.restByteCount = 0;
+        this.restByteCount = 0
 
-      return this.reply(150).then(() => stream.resume() && this.connector.socket.resume())
-      .then(() => eventsPromise)
-      .tap(() => this.emit('RETR', null, serverPath))
-      .then(() => this.reply(226, clientPath))
-      .then(() => stream.destroy && stream.destroy());
-    })
-    .catch(Promise.TimeoutError, (err) => {
-      log.error(err);
-      return this.reply(425, 'No connection established');
-    })
-    .catch((err) => {
-      log.error(err);
-      this.emit('RETR', err);
-      return this.reply(551, err.message);
-    })
-    .then(() => {
-      this.connector.end();
-      this.commandSocket.resume();
-    });
+        return this.reply(150)
+          .then(() => stream.resume() && this.connector.socket.resume())
+          .then(() => eventsPromise)
+          .tap(() => this.emit('RETR', null, serverPath))
+          .then(() => this.reply(226, clientPath))
+          .then(() => stream.destroy && stream.destroy())
+      })
+      .catch(Promise.TimeoutError, (err) => {
+        log.error(err)
+        return this.reply(425, 'No connection established')
+      })
+      .catch((err) => {
+        log.error(err)
+        this.emit('RETR', err)
+        return this.reply(551, err.message)
+      })
+      .then(() => {
+        this.connector.end()
+        this.commandSocket.resume()
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Retrieve a copy of the file'
-};
+}

src/commands/registration/rmd.js

@@ -1,10 +1,10 @@
-const {handler: dele} = require('./dele');
+import dele from './dele.js'
 
-module.exports = {
+export default {
   directive: ['RMD', 'XRMD'],
   handler: function (args) {
-    return dele.call(this, args);
+    return dele.handler.call(this, args)
   },
   syntax: '{{cmd}} <path>',
   description: 'Remove a directory'
-};
+}

src/commands/registration/rnfr.js

@@ -1,22 +1,22 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'RNFR',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.get) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.get) return this.reply(402, 'Not supported by file system')
 
-    const fileName = command.arg;
+    const fileName = command.arg
     return Promise.try(() => this.fs.get(fileName))
-    .then(() => {
-      this.renameFrom = fileName;
-      return this.reply(350);
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then(() => {
+        this.renameFrom = fileName
+        return this.reply(350)
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <name>',
   description: 'Rename from'
-};
+}

src/commands/registration/rnto.js

@@ -1,30 +1,30 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'RNTO',
-  handler: function ({log, command} = {}) {
-    if (!this.renameFrom) return this.reply(503);
+  handler: function ({ log, command } = {}) {
+    if (!this.renameFrom) return this.reply(503)
 
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.rename) return this.reply(402, 'Not supported by file system');
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.rename) return this.reply(402, 'Not supported by file system')
 
-    const from = this.renameFrom;
-    const to = command.arg;
+    const from = this.renameFrom
+    const to = command.arg
 
     return Promise.try(() => this.fs.rename(from, to))
-    .then(() => {
-      return this.reply(250);
-    })
-    .tap(() => this.emit('RNTO', null, to))
-    .catch((err) => {
-      log.error(err);
-      this.emit('RNTO', err);
-      return this.reply(550, err.message);
-    })
-    .then(() => {
-      delete this.renameFrom;
-    });
+      .then(() => {
+        return this.reply(250)
+      })
+      .tap(() => this.emit('RNTO', null, to))
+      .catch((err) => {
+        log.error(err)
+        this.emit('RNTO', err)
+        return this.reply(550, err.message)
+      })
+      .then(() => {
+        delete this.renameFrom
+      })
   },
   syntax: '{{cmd}} <name>',
   description: 'Rename to'
-};
+}

src/commands/registration/site/chmod.js

@@ -1,17 +1,17 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = function ({log, command} = {}) {
-  if (!this.fs) return this.reply(550, 'File system not instantiated');
-  if (!this.fs.chmod) return this.reply(402, 'Not supported by file system');
+export default function ({ log, command } = {}) {
+  if (!this.fs) return this.reply(550, 'File system not instantiated')
+  if (!this.fs.chmod) return this.reply(402, 'Not supported by file system')
 
-  const [mode, ...fileNameParts] = command.arg.split(' ');
-  const fileName = fileNameParts.join(' ');
+  const [mode, ...fileNameParts] = command.arg.split(' ')
+  const fileName = fileNameParts.join(' ')
   return Promise.try(() => this.fs.chmod(fileName, parseInt(mode, 8)))
-  .then(() => {
-    return this.reply(200);
-  })
-  .catch((err) => {
-    log.error(err);
-    return this.reply(500);
-  });
-};
+    .then(() => {
+      return this.reply(200)
+    })
+    .catch((err) => {
+      log.error(err)
+      return this.reply(500)
+    })
+}

src/commands/registration/site/index.js

@@ -1,20 +1,20 @@
-const Promise = require('bluebird');
-const _ = require('lodash');
+import Promise from 'bluebird'
+import _ from 'lodash'
 
-const registry = require('./registry');
+import registry from './registry.js'
 
-module.exports = {
+export default {
   directive: 'SITE',
-  handler: function ({log, command} = {}) {
-    const rawSubCommand = _.get(command, 'arg', '');
-    const subCommand = this.commands.parse(rawSubCommand);
-    const subLog = log.child({subverb: subCommand.directive});
+  handler: function ({ log, command } = {}) {
+    const rawSubCommand = _.get(command, 'arg', '')
+    const subCommand = this.commands.parse(rawSubCommand)
+    const subLog = log.child({ subverb: subCommand.directive })
 
-    if (!registry.hasOwnProperty(subCommand.directive)) return this.reply(502);
+    if (!registry.hasOwnProperty(subCommand.directive)) return this.reply(502)
 
-    const handler = registry[subCommand.directive].handler.bind(this);
-    return Promise.resolve(handler({log: subLog, command: subCommand}));
+    const handler = registry[subCommand.directive].handler.bind(this)
+    return Promise.resolve(handler({ log: subLog, command: subCommand }))
   },
   syntax: '{{cmd}} <subVerb> [...<subParams>]',
   description: 'Sends site specific commands to remote server'
-};
+}

src/commands/registration/site/registry.js

@@ -1,5 +1,6 @@
-module.exports = {
+import chmod from './chmod.js'
+export default {
   CHMOD: {
-    handler: require('./chmod')
+    handler: chmod
   }
-};
+}

src/commands/registration/size.js

@@ -1,23 +1,23 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'SIZE',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.get) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.get) return this.reply(402, 'Not supported by file system')
 
     return Promise.try(() => this.fs.get(command.arg))
-    .then((fileStat) => {
-      return this.reply(213, {message: fileStat.size});
-    })
-    .catch((err) => {
-      log.error(err);
-      return this.reply(550, err.message);
-    });
+      .then((fileStat) => {
+        return this.reply(213, { message: fileStat.size })
+      })
+      .catch((err) => {
+        log.error(err)
+        return this.reply(550, err.message)
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Return the size of a file',
   flags: {
     feat: 'SIZE'
   }
-};
+}

src/commands/registration/stat.js

@@ -1,45 +1,43 @@
-const _ = require('lodash');
-const Promise = require('bluebird');
-const getFileStat = require('../../helpers/file-stat');
+import _ from 'lodash'
+import Promise from 'bluebird'
+import getFileStat from '../../helpers/file-stat.js'
 
-module.exports = {
+export default {
   directive: 'STAT',
   handler: function (args = {}) {
-    const {log, command} = args;
-    const path = _.get(command, 'arg');
+    const { log, command } = args
+    const path = _.get(command, 'arg')
     if (path) {
-      if (!this.fs) return this.reply(550, 'File system not instantiated');
-      if (!this.fs.get) return this.reply(402, 'Not supported by file system');
+      if (!this.fs) return this.reply(550, 'File system not instantiated')
+      if (!this.fs.get) return this.reply(402, 'Not supported by file system')
 
       return Promise.try(() => this.fs.get(path))
-      .then((stat) => {
-        if (stat.isDirectory()) {
-          if (!this.fs.list) return this.reply(402, 'Not supported by file system');
+        .then((stat) => {
+          if (stat.isDirectory()) {
+            if (!this.fs.list) return this.reply(402, 'Not supported by file system')
 
-          return Promise.try(() => this.fs.list(path))
-          .then((stats) => [213, stats]);
-        }
-        return [212, [stat]];
-      })
-      .then(([code, fileStats]) => {
-        return Promise.map(fileStats, (file) => {
-          const message = getFileStat(file, _.get(this, 'server.options.file_format', 'ls'));
-          return {
-            raw: true,
-            message
-          };
+            return Promise.try(() => this.fs.list(path)).then((stats) => [213, stats])
+          }
+          return [212, [stat]]
+        })
+        .then(([code, fileStats]) => {
+          return Promise.map(fileStats, (file) => {
+            const message = getFileStat(file, _.get(this, 'server.options.file_format', 'ls'))
+            return {
+              raw: true,
+              message
+            }
+          }).then((messages) => [code, messages])
+        })
+        .then(([code, messages]) => this.reply(code, 'Status begin', ...messages, 'Status end'))
+        .catch((err) => {
+          log.error(err)
+          return this.reply(450, err.message)
         })
-        .then((messages) => [code, messages]);
-      })
-      .then(([code, messages]) => this.reply(code, 'Status begin', ...messages, 'Status end'))
-      .catch((err) => {
-        log.error(err);
-        return this.reply(450, err.message);
-      });
     } else {
-      return this.reply(211, 'Status OK');
+      return this.reply(211, 'Status OK')
     }
   },
   syntax: '{{cmd}} [<path>]',
   description: 'Returns the current status'
-};
+}

src/commands/registration/stor.js

@@ -1,73 +1,75 @@
-const Promise = require('bluebird');
+import Promise from 'bluebird'
 
-module.exports = {
+export default {
   directive: 'STOR',
-  handler: function ({log, command} = {}) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.write) return this.reply(402, 'Not supported by file system');
+  handler: function ({ log, command } = {}) {
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.write) return this.reply(402, 'Not supported by file system')
 
-    const append = command.directive === 'APPE';
-    const fileName = command.arg;
+    const append = command.directive === 'APPE'
+    const fileName = command.arg
 
-    return this.connector.waitForConnection()
-    .tap(() => this.commandSocket.pause())
-    .then(() => Promise.try(() => this.fs.write(fileName, {append, start: this.restByteCount})))
-    .then((fsResponse) => {
-      let {stream, clientPath} = fsResponse;
-      if (!stream && !clientPath) {
-        stream = fsResponse;
-        clientPath = fileName;
-      }
-      const serverPath = stream.path || fileName;
-
-      const destroyConnection = (connection, reject) => (err) => {
-        try {
-          if (connection) {
-            if (connection.writable) connection.end();
-            connection.destroy(err);
-          }
-        } finally {
-          reject(err);
+    return this.connector
+      .waitForConnection()
+      .tap(() => this.commandSocket.pause())
+      .then(() => Promise.try(() => this.fs.write(fileName, { append, start: this.restByteCount })))
+      .then((fsResponse) => {
+        let { stream, clientPath } = fsResponse
+        if (!stream && !clientPath) {
+          stream = fsResponse
+          clientPath = fileName
         }
-      };
+        const serverPath = stream.path || fileName
 
-      const streamPromise = new Promise((resolve, reject) => {
-        stream.once('error', destroyConnection(this.connector.socket, reject));
-        stream.once('finish', () => resolve());
-      });
+        const destroyConnection = (connection, reject) => (err) => {
+          try {
+            if (connection) {
+              if (connection.writable) connection.end()
+              connection.destroy(err)
+            }
+          } finally {
+            reject(err)
+          }
+        }
 
-      const socketPromise = new Promise((resolve, reject) => {
-        this.connector.socket.pipe(stream, {end: false});
-        this.connector.socket.once('end', () => {
-          if (stream.listenerCount('close')) stream.emit('close');
-          else stream.end();
-          resolve();
-        });
-        this.connector.socket.once('error', destroyConnection(stream, reject));
-      });
+        const streamPromise = new Promise((resolve, reject) => {
+          stream.once('error', destroyConnection(this.connector.socket, reject))
+          stream.once('finish', () => resolve())
+        })
 
-      this.restByteCount = 0;
+        const socketPromise = new Promise((resolve, reject) => {
+          this.connector.socket.pipe(stream, { end: false })
+          this.connector.socket.once('end', () => {
+            if (stream.listenerCount('close')) stream.emit('close')
+            else stream.end()
+            resolve()
+          })
+          this.connector.socket.once('error', destroyConnection(stream, reject))
+        })
 
-      return this.reply(150).then(() => this.connector.socket && this.connector.socket.resume())
-      .then(() => Promise.all([streamPromise, socketPromise]))
-      .tap(() => this.emit('STOR', null, serverPath))
-      .then(() => this.reply(226, clientPath))
-      .then(() => stream.destroy && stream.destroy());
-    })
-    .catch(Promise.TimeoutError, (err) => {
-      log.error(err);
-      return this.reply(425, 'No connection established');
-    })
-    .catch((err) => {
-      log.error(err);
-      this.emit('STOR', err);
-      return this.reply(550, err.message);
-    })
-    .then(() => {
-      this.connector.end();
-      this.commandSocket.resume();
-    });
+        this.restByteCount = 0
+
+        return this.reply(150)
+          .then(() => this.connector.socket && this.connector.socket.resume())
+          .then(() => Promise.all([streamPromise, socketPromise]))
+          .tap(() => this.emit('STOR', null, serverPath))
+          .then(() => this.reply(226, clientPath))
+          .then(() => stream.destroy && stream.destroy())
+      })
+      .catch(Promise.TimeoutError, (err) => {
+        log.error(err)
+        return this.reply(425, 'No connection established')
+      })
+      .catch((err) => {
+        log.error(err)
+        this.emit('STOR', err)
+        return this.reply(550, err.message)
+      })
+      .then(() => {
+        this.connector.end()
+        this.commandSocket.resume()
+      })
   },
   syntax: '{{cmd}} <path>',
   description: 'Store data as a file at the server site'
-};
+}

src/commands/registration/stou.js

@@ -1,21 +1,21 @@
-const Promise = require('bluebird');
-const {handler: stor} = require('./stor');
+import Promise from 'bluebird'
+import stor from './stor.js'
 
-module.exports = {
+export default {
   directive: 'STOU',
   handler: function (args) {
-    if (!this.fs) return this.reply(550, 'File system not instantiated');
-    if (!this.fs.get || !this.fs.getUniqueName) return this.reply(402, 'Not supported by file system');
+    if (!this.fs) return this.reply(550, 'File system not instantiated')
+    if (!this.fs.get || !this.fs.getUniqueName) return this.reply(402, 'Not supported by file system')
 
-    const fileName = args.command.arg;
+    const fileName = args.command.arg
     return Promise.try(() => this.fs.get(fileName))
-    .then(() => Promise.try(() => this.fs.getUniqueName(fileName)))
-    .catch(() => fileName)
-    .then((name) => {
-      args.command.arg = name;
-      return stor.call(this, args);
-    });
+      .then(() => Promise.try(() => this.fs.getUniqueName(fileName)))
+      .catch(() => fileName)
+      .then((name) => {
+        args.command.arg = name
+        return stor.handler.call(this, args)
+      })
   },
   syntax: '{{cmd}}',
   description: 'Store file uniquely'
-};
+}

src/commands/registration/stru.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'STRU',
-  handler: function ({command} = {}) {
-    return this.reply(/^F$/i.test(command.arg) ? 200 : 504);
+  handler: function ({ command } = {}) {
+    return this.reply(/^F$/i.test(command.arg) ? 200 : 504)
   },
   syntax: '{{cmd}} <structure>',
   description: 'Set file transfer structure',
   flags: {
     obsolete: true
   }
-};
+}

src/commands/registration/syst.js

@@ -1,11 +1,11 @@
-module.exports = {
+export default {
   directive: 'SYST',
   handler: function () {
-    return this.reply(215);
+    return this.reply(215)
   },
   syntax: '{{cmd}}',
   description: 'Return system type',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registration/type.js

@@ -1,18 +1,18 @@
-module.exports = {
+export default {
   directive: 'TYPE',
-  handler: function ({command} = {}) {
+  handler: function ({ command } = {}) {
     if (/^A[0-9]?$/i.test(command.arg)) {
-      this.transferType = 'ascii';
+      this.transferType = 'ascii'
     } else if (/^L[0-9]?$/i.test(command.arg) || /^I$/i.test(command.arg)) {
-      this.transferType = 'binary';
+      this.transferType = 'binary'
     } else {
-      return this.reply(501);
+      return this.reply(501)
     }
-    return this.reply(200, `Switch to "${this.transferType}" transfer mode.`);
+    return this.reply(200, `Switch to "${this.transferType}" transfer mode.`)
   },
   syntax: '{{cmd}} <mode>',
   description: 'Set the transfer mode, binary (I) or ascii (A)',
   flags: {
     feat: 'TYPE A,I,L'
   }
-};
+}

src/commands/registration/user.js

@@ -1,28 +1,30 @@
-module.exports = {
+export default {
   directive: 'USER',
-  handler: function ({log, command} = {}) {
-    if (this.username) return this.reply(530, 'Username already set');
-    if (this.authenticated) return this.reply(230);
+  handler: function ({ log, command } = {}) {
+    if (this.username) return this.reply(530, 'Username already set')
+    if (this.authenticated) return this.reply(230)
 
-    this.username = command.arg;
-    if (!this.username) return this.reply(501, 'Must provide username');
+    this.username = command.arg
+    if (!this.username) return this.reply(501, 'Must provide username')
 
-    if (this.server.options.anonymous === true && this.username === 'anonymous' ||
-        this.username === this.server.options.anonymous) {
+    if (
+      (this.server.options.anonymous === true && this.username === 'anonymous') ||
+      this.username === this.server.options.anonymous
+    ) {
       return this.login(this.username, '@anonymous')
-      .then(() => {
-        return this.reply(230);
-      })
-      .catch((err) => {
-        log.error(err);
-        return this.reply(530, err.message || 'Authentication failed');
-      });
+        .then(() => {
+          return this.reply(230)
+        })
+        .catch((err) => {
+          log.error(err)
+          return this.reply(530, err.message || 'Authentication failed')
+        })
     }
-    return this.reply(331);
+    return this.reply(331)
   },
   syntax: '{{cmd}} <username>',
   description: 'Authentication username',
   flags: {
     no_auth: true
   }
-};
+}

src/commands/registry.js

@@ -1,50 +1,90 @@
+import abor from './registration/abor.js'
+import allo from './registration/allo.js'
+import appe from './registration/appe.js'
+import auth from './registration/auth.js'
+import cdup from './registration/cdup.js'
+import cwd from './registration/cwd.js'
+import dele from './registration/dele.js'
+import feat from './registration/feat.js'
+import help from './registration/help.js'
+import list from './registration/list.js'
+import mdtm from './registration/mdtm.js'
+import mkd from './registration/mkd.js'
+import mode from './registration/mode.js'
+import nlst from './registration/nlst.js'
+import noop from './registration/noop.js'
+import opts from './registration/opts.js'
+import pass from './registration/pass.js'
+import pasv from './registration/pasv.js'
+import port from './registration/port.js'
+import pwd from './registration/pwd.js'
+import quit from './registration/quit.js'
+import rest from './registration/rest.js'
+import retr from './registration/retr.js'
+import rmd from './registration/rmd.js'
+import rnfr from './registration/rnfr.js'
+import rnto from './registration/rnto.js'
+import site from './registration/site/index.js'
+import size from './registration/size.js'
+import stat from './registration/stat.js'
+import stor from './registration/stor.js'
+import stou from './registration/stou.js'
+import stru from './registration/stru.js'
+import syst from './registration/syst.js'
+import type from './registration/type.js'
+import user from './registration/user.js'
+import pbsz from './registration/pbsz.js'
+import prot from './registration/prot.js'
+import eprt from './registration/eprt.js'
+import epsv from './registration/epsv.js'
+
 /* eslint no-return-assign: 0 */
 const commands = [
-  require('./registration/abor'),
-  require('./registration/allo'),
-  require('./registration/appe'),
-  require('./registration/auth'),
-  require('./registration/cdup'),
-  require('./registration/cwd'),
-  require('./registration/dele'),
-  require('./registration/feat'),
-  require('./registration/help'),
-  require('./registration/list'),
-  require('./registration/mdtm'),
-  require('./registration/mkd'),
-  require('./registration/mode'),
-  require('./registration/nlst'),
-  require('./registration/noop'),
-  require('./registration/opts'),
-  require('./registration/pass'),
-  require('./registration/pasv'),
-  require('./registration/port'),
-  require('./registration/pwd'),
-  require('./registration/quit'),
-  require('./registration/rest'),
-  require('./registration/retr'),
-  require('./registration/rmd'),
-  require('./registration/rnfr'),
-  require('./registration/rnto'),
-  require('./registration/site'),
-  require('./registration/size'),
-  require('./registration/stat'),
-  require('./registration/stor'),
-  require('./registration/stou'),
-  require('./registration/stru'),
-  require('./registration/syst'),
-  require('./registration/type'),
-  require('./registration/user'),
-  require('./registration/pbsz'),
-  require('./registration/prot'),
-  require('./registration/eprt'),
-  require('./registration/epsv')
-];
+  abor,
+  allo,
+  appe,
+  auth,
+  cdup,
+  cwd,
+  dele,
+  feat,
+  help,
+  list,
+  mdtm,
+  mkd,
+  mode,
+  nlst,
+  noop,
+  opts,
+  pass,
+  pasv,
+  port,
+  pwd,
+  quit,
+  rest,
+  retr,
+  rmd,
+  rnfr,
+  rnto,
+  site,
+  size,
+  stat,
+  stor,
+  stou,
+  stru,
+  syst,
+  type,
+  user,
+  pbsz,
+  prot,
+  eprt,
+  epsv
+]
 
 const registry = commands.reduce((result, cmd) => {
-  const aliases = Array.isArray(cmd.directive) ? cmd.directive : [cmd.directive];
-  aliases.forEach((alias) => result[alias] = cmd);
-  return result;
-}, {});
+  const aliases = Array.isArray(cmd.directive) ? cmd.directive : [cmd.directive]
+  aliases.forEach((alias) => (result[alias] = cmd))
+  return result
+}, {})
 
-module.exports = registry;
+export default registry

src/connection.js

@@ -1,155 +1,162 @@
-const _ = require('lodash');
-const uuid = require('uuid');
-const Promise = require('bluebird');
-const EventEmitter = require('events');
+import _ from 'lodash'
+import uuid from 'uuid'
+import Promise from 'bluebird'
+import { EventEmitter } from 'node:events'
+import BaseConnector from './connector/base.js'
+import { FileSystem } from './fs.js'
+import Commands from './commands/index.js'
+import errors from './errors.js'
+import DEFAULT_MESSAGE from './messages.js'
 
-const BaseConnector = require('./connector/base');
-const FileSystem = require('./fs');
-const Commands = require('./commands');
-const errors = require('./errors');
-const DEFAULT_MESSAGE = require('./messages');
-
-class FtpConnection extends EventEmitter {
+export default class FtpConnection extends EventEmitter {
   constructor(server, options) {
-    super();
-    this.server = server;
-    this.id = uuid.v4();
-    this.commandSocket = options.socket;
-    this.log = options.log.child({id: this.id, ip: this.ip});
-    this.commands = new Commands(this);
-    this.transferType = 'binary';
-    this.encoding = 'utf8';
-    this.bufferSize = false;
-    this._restByteCount = 0;
-    this._secure = false;
+    super()
+    this.server = server
+    this.id = uuid.v4()
+    this.commandSocket = options.socket
+    this.log = options.log.child({ id: this.id, ip: this.ip })
+    this.commands = new Commands(this)
+    this.transferType = 'binary'
+    this.encoding = 'utf8'
+    this.bufferSize = false
+    this._restByteCount = 0
+    this._secure = false
 
-    this.connector = new BaseConnector(this);
+    this.connector = new BaseConnector(this)
 
     this.commandSocket.on('error', (err) => {
-      this.log.error(err, 'Client error');
-      this.server.emit('client-error', {connection: this, context: 'commandSocket', error: err});
-    });
-    this.commandSocket.on('data', this._handleData.bind(this));
+      this.log.error(err, 'Client error')
+      this.server.emit('client-error', { connection: this, context: 'commandSocket', error: err })
+    })
+    this.commandSocket.on('data', this._handleData.bind(this))
     this.commandSocket.on('timeout', () => {
-      this.log.trace('Client timeout');
-      this.close();
-    });
+      this.log.trace('Client timeout')
+      this.close()
+    })
     this.commandSocket.on('close', () => {
-      if (this.connector) this.connector.end();
-      if (this.commandSocket && !this.commandSocket.destroyed) this.commandSocket.destroy();
-      this.removeAllListeners();
-    });
+      if (this.connector) this.connector.end()
+      if (this.commandSocket && !this.commandSocket.destroyed) this.commandSocket.destroy()
+      this.removeAllListeners()
+    })
   }
 
   _handleData(data) {
-    const messages = _.compact(data.toString(this.encoding).split('\r\n'));
-    this.log.trace(messages);
-    return Promise.mapSeries(messages, (message) => this.commands.handle(message));
+    const messages = _.compact(data.toString(this.encoding).split('\r\n'))
+    this.log.trace(messages)
+    return Promise.mapSeries(messages, (message) => this.commands.handle(message))
   }
 
   get ip() {
     try {
-      return this.commandSocket ? this.commandSocket.remoteAddress : undefined;
+      return this.commandSocket ? this.commandSocket.remoteAddress : undefined
     } catch (ex) {
-      return null;
+      return null
     }
   }
 
   get restByteCount() {
-    return this._restByteCount > 0 ? this._restByteCount : undefined;
+    return this._restByteCount > 0 ? this._restByteCount : undefined
   }
   set restByteCount(rbc) {
-    this._restByteCount = rbc;
+    this._restByteCount = rbc
   }
 
   get secure() {
-    return this.server.isTLS || this._secure;
+    return this.server.isTLS || this._secure
   }
   set secure(sec) {
-    this._secure = sec;
+    this._secure = sec
   }
 
   close(code = 421, message = 'Closing connection') {
     return Promise.resolve(code)
       .then((_code) => _code && this.reply(_code, message))
-      .then(() => this.commandSocket && this.commandSocket.destroy());
+      .then(() => this.commandSocket && this.commandSocket.destroy())
   }
 
   login(username, password) {
     return Promise.try(() => {
-      const loginListeners = this.server.listeners('login');
+      const loginListeners = this.server.listeners('login')
       if (!loginListeners || !loginListeners.length) {
-        if (!this.server.options.anonymous) throw new errors.GeneralError('No "login" listener setup', 500);
+        if (!this.server.options.anonymous) throw new errors.GeneralError('No "login" listener setup', 500)
       } else {
-        return this.server.emitPromise('login', {connection: this, username, password});
+        return this.server.emitPromise('login', { connection: this, username, password })
       }
+    }).then(({ root, cwd, fs, blacklist = [], whitelist = [] } = {}) => {
+      this.authenticated = true
+      this.commands.blacklist = _.concat(this.commands.blacklist, blacklist)
+      this.commands.whitelist = _.concat(this.commands.whitelist, whitelist)
+      this.fs = fs || new FileSystem(this, { root, cwd })
     })
-    .then(({root, cwd, fs, blacklist = [], whitelist = []} = {}) => {
-      this.authenticated = true;
-      this.commands.blacklist = _.concat(this.commands.blacklist, blacklist);
-      this.commands.whitelist = _.concat(this.commands.whitelist, whitelist);
-      this.fs = fs || new FileSystem(this, {root, cwd});
-    });
   }
 
   reply(options = {}, ...letters) {
     const satisfyParameters = () => {
-      if (typeof options === 'number') options = {code: options}; // allow passing in code as first param
-      if (!Array.isArray(letters)) letters = [letters];
-      if (!letters.length) letters = [{}];
+      if (typeof options === 'number') options = { code: options } // allow passing in code as first param
+      if (!Array.isArray(letters)) letters = [letters]
+      if (!letters.length) letters = [{}]
       return Promise.map(letters, (promise, index) => {
-        return Promise.resolve(promise)
-        .then((letter) => {
-          if (!letter) letter = {};
-          else if (typeof letter === 'string') letter = {message: letter}; // allow passing in message as first param
+        return Promise.resolve(promise).then((letter) => {
+          if (!letter) letter = {}
+          else if (typeof letter === 'string') letter = { message: letter } // allow passing in message as first param
 
-          if (!letter.socket) letter.socket = options.socket ? options.socket : this.commandSocket;
+          if (!letter.socket) letter.socket = options.socket ? options.socket : this.commandSocket
           if (!options.useEmptyMessage) {
-            if (!letter.message) letter.message = DEFAULT_MESSAGE[options.code] || 'No information';
-            if (!letter.encoding) letter.encoding = this.encoding;
+            if (!letter.message) letter.message = DEFAULT_MESSAGE[options.code] || 'No information'
+            if (!letter.encoding) letter.encoding = this.encoding
           }
           return Promise.resolve(letter.message) // allow passing in a promise as a message
-          .then((message) => {
-            if (!options.useEmptyMessage) {
-              const seperator = !options.hasOwnProperty('eol') ?
-                letters.length - 1 === index ? ' ' : '-' :
-                options.eol ? ' ' : '-';
-              message = !letter.raw ? _.compact([letter.code || options.code, message]).join(seperator) : message;
-              letter.message = message;
-            } else {
-              letter.message = '';
-            }
-            return letter;
-          });
-        });
-      });
-    };
+            .then((message) => {
+              if (!options.useEmptyMessage) {
+                const seperator = !options.hasOwnProperty('eol')
+                  ? letters.length - 1 === index
+                    ? ' '
+                    : '-'
+                  : options.eol
+                    ? ' '
+                    : '-'
+                message = !letter.raw
+                  ? _.compact([letter.code || options.code, message]).join(seperator)
+                  : message
+                letter.message = message
+              } else {
+                letter.message = ''
+              }
+              return letter
+            })
+        })
+      })
+    }
 
     const processLetter = (letter) => {
       return new Promise((resolve, reject) => {
         if (letter.socket && letter.socket.writable) {
-          this.log.trace({port: letter.socket.address().port, encoding: letter.encoding, message: letter.message}, 'Reply');
+          this.log.trace(
+            { port: letter.socket.address().port, encoding: letter.encoding, message: letter.message },
+            'Reply'
+          )
           letter.socket.write(letter.message + '\r\n', letter.encoding, (error) => {
             if (error) {
-              this.log.error('[Process Letter] Socket Write Error', { error: error.message });
-              return reject(error);
+              this.log.error('[Process Letter] Socket Write Error', { error: error.message })
+              return reject(error)
             }
-            resolve();
-          });
+            resolve()
+          })
         } else {
-          this.log.trace({message: letter.message}, 'Could not write message');
-          reject(new errors.SocketError('Socket not writable'));
+          this.log.trace({ message: letter.message }, 'Could not write message')
+          reject(new errors.SocketError('Socket not writable'))
         }
-      });
-    };
+      })
+    }
 
     return satisfyParameters()
-    .then((satisfiedLetters) => Promise.mapSeries(satisfiedLetters, (letter, index) => {
-      return processLetter(letter, index);
-    }))
-    .catch((error) => {
-        this.log.error('Satisfy Parameters Error', { error: error.message });
-    });
+      .then((satisfiedLetters) =>
+        Promise.mapSeries(satisfiedLetters, (letter, index) => {
+          return processLetter(letter, index)
+        })
+      )
+      .catch((error) => {
+        this.log.error('Satisfy Parameters Error', { error: error.message })
+      })
   }
 }
-module.exports = FtpConnection;

src/connector/active.js

@@ -1,54 +1,57 @@
-const {Socket} = require('net');
-const tls = require('tls');
-const ip = require('ip');
-const Promise = require('bluebird');
-const Connector = require('./base');
-const {SocketError} = require('../errors');
+import { Socket } from 'node:net'
+import tls from 'node:tls'
+import ip from 'ip'
+import Promise from 'bluebird'
+import Connector from './base.js'
+import errors from '../errors.js'
 
-class Active extends Connector {
+export default class Active extends Connector {
   constructor(connection) {
-    super(connection);
-    this.type = 'active';
+    super(connection)
+    this.type = 'active'
   }
 
-  waitForConnection({timeout = 5000, delay = 250} = {}) {
+  waitForConnection({ timeout = 5000, delay = 250 } = {}) {
     const checkSocket = () => {
       if (this.dataSocket && this.dataSocket.connected) {
-        return Promise.resolve(this.dataSocket);
+        return Promise.resolve(this.dataSocket)
       }
-      return Promise.resolve().delay(delay)
-      .then(() => checkSocket());
-    };
+      return Promise.resolve()
+        .delay(delay)
+        .then(() => checkSocket())
+    }
 
-    return checkSocket().timeout(timeout);
+    return checkSocket().timeout(timeout)
   }
 
   setupConnection(host, port, family = 4) {
-    const closeExistingServer = () => Promise.resolve(
-      this.dataSocket ? this.dataSocket.destroy() : undefined);
+    const closeExistingServer = () => Promise.resolve(this.dataSocket ? this.dataSocket.destroy() : undefined)
 
-    return closeExistingServer()
-    .then(() => {
+    return closeExistingServer().then(() => {
       if (!ip.isEqual(this.connection.commandSocket.remoteAddress, host)) {
-        throw new SocketError('The given address is not yours', 500);
+        throw new errors.SocketError('The given address is not yours', 500)
       }
 
-      this.dataSocket = new Socket();
-      this.dataSocket.on('error', (err) => this.server && this.server.emit('client-error', {connection: this.connection, context: 'dataSocket', error: err}));
-      this.dataSocket.connect({host, port, family}, () => {
-        this.dataSocket.pause();
+      this.dataSocket = new Socket()
+      this.dataSocket.on(
+        'error',
+        (err) =>
+          this.server &&
+          this.server.emit('client-error', { connection: this.connection, context: 'dataSocket', error: err })
+      )
+      this.dataSocket.connect({ host, port, family }, () => {
+        this.dataSocket.pause()
 
         if (this.connection.secure) {
-          const secureContext = tls.createSecureContext(this.server.options.tls);
+          const secureContext = tls.createSecureContext(this.server.options.tls)
           const secureSocket = new tls.TLSSocket(this.dataSocket, {
             isServer: true,
             secureContext
-          });
-          this.dataSocket = secureSocket;
+          })
+          this.dataSocket = secureSocket
         }
-        this.dataSocket.connected = true;
-      });
-    });
+        this.dataSocket.connected = true
+      })
+    })
   }
 }
-module.exports = Active;

src/connector/base.js

@@ -1,53 +1,51 @@
-const Promise = require('bluebird');
-const errors = require('../errors');
+import Promise from 'bluebird'
+import errors from '../errors.js'
 
-class Connector {
+export default class Connector {
   constructor(connection) {
-    this.connection = connection;
+    this.connection = connection
 
-    this.dataSocket = null;
-    this.dataServer = null;
-    this.type = false;
+    this.dataSocket = null
+    this.dataServer = null
+    this.type = false
   }
 
   get log() {
-    return this.connection.log;
+    return this.connection.log
   }
 
   get socket() {
-    return this.dataSocket;
+    return this.dataSocket
   }
 
   get server() {
-    return this.connection.server;
+    return this.connection.server
   }
 
   waitForConnection() {
-    return Promise.reject(new errors.ConnectorError('No connector setup, send PASV or PORT'));
+    return Promise.reject(new errors.ConnectorError('No connector setup, send PASV or PORT'))
   }
 
   closeSocket() {
     if (this.dataSocket) {
-      const socket = this.dataSocket;
-      this.dataSocket.end(() => socket && socket.destroy());
-      this.dataSocket = null;
+      const socket = this.dataSocket
+      this.dataSocket.end(() => socket && socket.destroy())
+      this.dataSocket = null
     }
   }
 
   closeServer() {
     if (this.dataServer) {
-      this.dataServer.close();
-      this.dataServer = null;
+      this.dataServer.close()
+      this.dataServer = null
     }
   }
 
-
   end() {
-    this.closeSocket();
-    this.closeServer();
+    this.closeSocket()
+    this.closeServer()
 
-    this.type = false;
-    this.connection.connector = new Connector(this);
+    this.type = false
+    this.connection.connector = new Connector(this)
   }
 }
-module.exports = Connector;

src/connector/passive.js

@@ -1,97 +1,121 @@
-const net = require('net');
-const tls = require('tls');
-const ip = require('ip');
-const Promise = require('bluebird');
+import net from 'node:net'
+import tls from 'node:tls'
+import ip from 'ip'
+import Promise from 'bluebird'
 
-const Connector = require('./base');
-const errors = require('../errors');
+import Connector from './base.js'
+import errors from '../errors.js'
 
-const CONNECT_TIMEOUT = 30 * 1000;
+const CONNECT_TIMEOUT = 30 * 1000
 
-class Passive extends Connector {
+export default class Passive extends Connector {
   constructor(connection) {
-    super(connection);
-    this.type = 'passive';
+    super(connection)
+    this.type = 'passive'
   }
 
-  waitForConnection({timeout = 5000, delay = 50} = {}) {
-    if (!this.dataServer) return Promise.reject(new errors.ConnectorError('Passive server not setup'));
+  waitForConnection({ timeout = 5000, delay = 50 } = {}) {
+    if (!this.dataServer) return Promise.reject(new errors.ConnectorError('Passive server not setup'))
 
     const checkSocket = () => {
       if (this.dataServer && this.dataServer.listening && this.dataSocket && this.dataSocket.connected) {
-        return Promise.resolve(this.dataSocket);
+        return Promise.resolve(this.dataSocket)
       }
-      return Promise.resolve().delay(delay)
-      .then(() => checkSocket());
-    };
+      return Promise.resolve()
+        .delay(delay)
+        .then(() => checkSocket())
+    }
 
-    return checkSocket().timeout(timeout);
+    return checkSocket().timeout(timeout)
   }
 
   setupServer() {
-    this.closeServer();
-    return this.server.getNextPasvPort()
-    .then((port) => {
-      this.dataSocket = null;
-      let idleServerTimeout;
+    this.closeServer()
+    return this.server
+      .getNextPasvPort()
+      .then((port) => {
+        this.dataSocket = null
+        let idleServerTimeout
 
-      const connectionHandler = (socket) => {
-        if (!ip.isEqual(this.connection.commandSocket.remoteAddress, socket.remoteAddress)) {
-          this.log.error({
-            pasv_connection: socket.remoteAddress,
-            cmd_connection: this.connection.commandSocket.remoteAddress
-          }, 'Connecting addresses do not match');
+        const connectionHandler = (socket) => {
+          if (!ip.isEqual(this.connection.commandSocket.remoteAddress, socket.remoteAddress)) {
+            this.log.error(
+              {
+                pasv_connection: socket.remoteAddress,
+                cmd_connection: this.connection.commandSocket.remoteAddress
+              },
+              'Connecting addresses do not match'
+            )
 
-          socket.destroy();
-          return this.connection.reply(550, 'Remote addresses do not match')
-          .then(() => this.connection.close());
-        }
-        clearTimeout(idleServerTimeout);
-
-        this.log.trace({port, remoteAddress: socket.remoteAddress}, 'Passive connection fulfilled.');
-
-        this.dataSocket = socket;
-        this.dataSocket.on('error', (err) => this.server && this.server.emit('client-error', {connection: this.connection, context: 'dataSocket', error: err}));
-        this.dataSocket.once('close', () => this.closeServer());
-
-        if (!this.connection.secure) {
-          this.dataSocket.connected = true;
-        }
-      };
-
-      const serverOptions = Object.assign({}, this.connection.secure ? this.server.options.tls : {}, {pauseOnConnect: true});
-      this.dataServer = (this.connection.secure ? tls : net).createServer(serverOptions, connectionHandler);
-      this.dataServer.maxConnections = 1;
-
-      this.dataServer.on('error', (err) => this.server && this.server.emit('client-error', {connection: this.connection, context: 'dataServer', error: err}));
-      this.dataServer.once('close', () => {
-        this.log.trace('Passive server closed');
-        this.end();
-      });
-
-      if (this.connection.secure) {
-        this.dataServer.on('secureConnection', (socket) => {
-          socket.connected = true;
-        });
-      }
-
-      return new Promise((resolve, reject) => {
-        this.dataServer.listen(port, this.server.url.hostname, (err) => {
-          if (err) reject(err);
-          else {
-            idleServerTimeout = setTimeout(() => this.closeServer(), CONNECT_TIMEOUT);
-
-            this.log.debug({port}, 'Passive connection listening');
-            resolve(this.dataServer);
+            socket.destroy()
+            return this.connection
+              .reply(550, 'Remote addresses do not match')
+              .then(() => this.connection.close())
           }
-        });
-      });
-    })
-    .catch((error) => {
-      this.log.trace(error.message);
-      throw error;
-    });
-  }
+          clearTimeout(idleServerTimeout)
 
+          this.log.trace({ port, remoteAddress: socket.remoteAddress }, 'Passive connection fulfilled.')
+
+          this.dataSocket = socket
+          this.dataSocket.on(
+            'error',
+            (err) =>
+              this.server &&
+              this.server.emit('client-error', {
+                connection: this.connection,
+                context: 'dataSocket',
+                error: err
+              })
+          )
+          this.dataSocket.once('close', () => this.closeServer())
+
+          if (!this.connection.secure) {
+            this.dataSocket.connected = true
+          }
+        }
+
+        const serverOptions = Object.assign({}, this.connection.secure ? this.server.options.tls : {}, {
+          pauseOnConnect: true
+        })
+        this.dataServer = (this.connection.secure ? tls : net).createServer(serverOptions, connectionHandler)
+        this.dataServer.maxConnections = 1
+
+        this.dataServer.on(
+          'error',
+          (err) =>
+            this.server &&
+            this.server.emit('client-error', {
+              connection: this.connection,
+              context: 'dataServer',
+              error: err
+            })
+        )
+        this.dataServer.once('close', () => {
+          this.log.trace('Passive server closed')
+          this.end()
+        })
+
+        if (this.connection.secure) {
+          this.dataServer.on('secureConnection', (socket) => {
+            socket.connected = true
+          })
+        }
+
+        return new Promise((resolve, reject) => {
+          this.dataServer.listen(port, this.server.url.hostname, (err) => {
+            if (err) reject(err)
+            else {
+              idleServerTimeout = setTimeout(() => this.closeServer(), CONNECT_TIMEOUT)
+
+              this.log.debug({ port }, 'Passive connection listening')
+              resolve(this.dataServer)
+            }
+          })
+        })
+      })
+      .catch((error) => {
+        this.log.trace(error.message)
+        throw error
+      })
+  }
 }
-module.exports = Passive;

src/errors.js

@@ -1,44 +1,38 @@
-
 class GeneralError extends Error {
   constructor(message, code = 400) {
-    super();
-    this.code = code;
-    this.name = 'GeneralError';
-    this.message = message;
+    super(message)
+    this.code = code
+    this.name = 'GeneralError'
   }
 }
 
 class SocketError extends Error {
   constructor(message, code = 500) {
-    super();
-    this.code = code;
-    this.name = 'SocketError';
-    this.message = message;
+    super(message)
+    this.code = code
+    this.name = 'SocketError'
   }
 }
 
 class FileSystemError extends Error {
   constructor(message, code = 400) {
-    super();
-    this.code = code;
-    this.name = 'FileSystemError';
-    this.message = message;
+    super(message)
+    this.code = code
+    this.name = 'FileSystemError'
   }
 }
 
 class ConnectorError extends Error {
   constructor(message, code = 400) {
-    super();
-    this.code = code;
-    this.name = 'ConnectorError';
-    this.message = message;
+    super(message)
+    this.code = code
+    this.name = 'ConnectorError'
   }
 }
 
-
-module.exports = {
+export default {
   SocketError,
   FileSystemError,
   ConnectorError,
   GeneralError
-};
+}

src/fs.js

@@ -1,141 +1,145 @@
-const _ = require('lodash');
-const nodePath = require('path');
-const uuid = require('uuid');
-const Promise = require('bluebird');
-const {createReadStream, createWriteStream, constants} = require('fs');
-const fsAsync = require('./helpers/fs-async');
-const errors = require('./errors');
+import _ from 'lodash'
+import nodePath from 'node:path'
+import uuid from 'uuid'
+import Promise from 'bluebird'
+import { createReadStream, createWriteStream, constants } from 'node:fs'
+import fsAsync from './helpers/fs-async.js'
+import errors from './errors.js'
 
-const UNIX_SEP_REGEX = /\//g;
-const WIN_SEP_REGEX = /\\/g;
+const UNIX_SEP_REGEX = /\//g
+const WIN_SEP_REGEX = /\\/g
 
-class FileSystem {
-  constructor(connection, {root, cwd} = {}) {
-    this.connection = connection;
-    this.cwd = nodePath.normalize((cwd || '/').replace(WIN_SEP_REGEX, '/'));
-    this._root = nodePath.resolve(root || process.cwd());
+export default class FileSystem {
+  constructor(connection, { root, cwd } = {}) {
+    this.connection = connection
+    this.cwd = nodePath.normalize((cwd || '/').replace(WIN_SEP_REGEX, '/'))
+    this._root = nodePath.resolve(root || process.cwd())
   }
 
   get root() {
-    return this._root;
+    return this._root
   }
 
   _resolvePath(path = '.') {
     // Unix separators normalize nicer on both unix and win platforms
-    const resolvedPath = path.replace(WIN_SEP_REGEX, '/');
+    const resolvedPath = path.replace(WIN_SEP_REGEX, '/')
 
     // Join cwd with new path
     const joinedPath = nodePath.isAbsolute(resolvedPath)
       ? nodePath.normalize(resolvedPath)
-      : nodePath.join('/', this.cwd, resolvedPath);
+      : nodePath.join('/', this.cwd, resolvedPath)
 
     // Create local filesystem path using the platform separator
-    const fsPath = nodePath.resolve(nodePath.join(this.root, joinedPath)
-      .replace(UNIX_SEP_REGEX, nodePath.sep)
-      .replace(WIN_SEP_REGEX, nodePath.sep));
+    const fsPath = nodePath.resolve(
+      nodePath
+        .join(this.root, joinedPath)
+        .replace(UNIX_SEP_REGEX, nodePath.sep)
+        .replace(WIN_SEP_REGEX, nodePath.sep)
+    )
 
     // Create FTP client path using unix separator
-    const clientPath = joinedPath.replace(WIN_SEP_REGEX, '/');
+    const clientPath = joinedPath.replace(WIN_SEP_REGEX, '/')
 
     return {
       clientPath,
       fsPath
-    };
+    }
   }
 
   currentDirectory() {
-    return this.cwd;
+    return this.cwd
   }
 
   get(fileName) {
-    const {fsPath} = this._resolvePath(fileName);
-    return fsAsync.stat(fsPath)
-    .then((stat) => _.set(stat, 'name', fileName));
+    const { fsPath } = this._resolvePath(fileName)
+    return fsAsync.stat(fsPath).then((stat) => _.set(stat, 'name', fileName))
   }
 
   list(path = '.') {
-    const {fsPath} = this._resolvePath(path);
-    return fsAsync.readdir(fsPath)
-    .then((fileNames) => {
-      return Promise.map(fileNames, (fileName) => {
-        const filePath = nodePath.join(fsPath, fileName);
-        return fsAsync.access(filePath, constants.F_OK)
-        .then(() => {
-          return fsAsync.stat(filePath)
-          .then((stat) => _.set(stat, 'name', fileName));
+    const { fsPath } = this._resolvePath(path)
+    return fsAsync
+      .readdir(fsPath)
+      .then((fileNames) => {
+        return Promise.map(fileNames, (fileName) => {
+          const filePath = nodePath.join(fsPath, fileName)
+          return fsAsync
+            .access(filePath, constants.F_OK)
+            .then(() => {
+              return fsAsync.stat(filePath).then((stat) => _.set(stat, 'name', fileName))
+            })
+            .catch(() => null)
         })
-        .catch(() => null);
-      });
-    })
-    .then(_.compact);
+      })
+      .then(_.compact)
   }
 
   chdir(path = '.') {
-    const {fsPath, clientPath} = this._resolvePath(path);
-    return fsAsync.stat(fsPath)
-    .tap((stat) => {
-      if (!stat.isDirectory()) throw new errors.FileSystemError('Not a valid directory');
-    })
-    .then(() => {
-      this.cwd = clientPath;
-      return this.currentDirectory();
-    });
+    const { fsPath, clientPath } = this._resolvePath(path)
+    return fsAsync
+      .stat(fsPath)
+      .tap((stat) => {
+        if (!stat.isDirectory()) throw new errors.FileSystemError('Not a valid directory')
+      })
+      .then(() => {
+        this.cwd = clientPath
+        return this.currentDirectory()
+      })
   }
 
-  write(fileName, {append = false, start = undefined} = {}) {
-    const {fsPath, clientPath} = this._resolvePath(fileName);
-    const stream = createWriteStream(fsPath, {flags: !append ? 'w+' : 'a+', start});
-    stream.once('error', () => fsAsync.unlink(fsPath));
-    stream.once('close', () => stream.end());
+  write(fileName, { append = false, start = undefined } = {}) {
+    const { fsPath, clientPath } = this._resolvePath(fileName)
+    const stream = createWriteStream(fsPath, { flags: !append ? 'w+' : 'a+', start })
+    stream.once('error', () => fsAsync.unlink(fsPath))
+    stream.once('close', () => stream.end())
     return {
       stream,
       clientPath
-    };
+    }
   }
 
-  read(fileName, {start = undefined} = {}) {
-    const {fsPath, clientPath} = this._resolvePath(fileName);
-    return fsAsync.stat(fsPath)
-    .tap((stat) => {
-      if (stat.isDirectory()) throw new errors.FileSystemError('Cannot read a directory');
-    })
-    .then(() => {
-      const stream = createReadStream(fsPath, {flags: 'r', start});
-      return {
-        stream,
-        clientPath
-      };
-    });
+  read(fileName, { start = undefined } = {}) {
+    const { fsPath, clientPath } = this._resolvePath(fileName)
+    return fsAsync
+      .stat(fsPath)
+      .tap((stat) => {
+        if (stat.isDirectory()) throw new errors.FileSystemError('Cannot read a directory')
+      })
+      .then(() => {
+        const stream = createReadStream(fsPath, { flags: 'r', start })
+        return {
+          stream,
+          clientPath
+        }
+      })
   }
 
   delete(path) {
-    const {fsPath} = this._resolvePath(path);
-    return fsAsync.stat(fsPath)
-    .then((stat) => {
-      if (stat.isDirectory()) return fsAsync.rmdir(fsPath);
-      else return fsAsync.unlink(fsPath);
-    });
+    const { fsPath } = this._resolvePath(path)
+    return fsAsync.stat(fsPath).then((stat) => {
+      if (stat.isDirectory()) return fsAsync.rmdir(fsPath)
+      else return fsAsync.unlink(fsPath)
+    })
   }
 
   mkdir(path) {
-    const {fsPath} = this._resolvePath(path);
-    return fsAsync.mkdir(fsPath, { recursive: true })
-    .then(() => fsPath);
+    const { fsPath } = this._resolvePath(path)
+    return fsAsync.mkdir(fsPath, { recursive: true }).then(() => fsPath)
   }
 
   rename(from, to) {
-    const {fsPath: fromPath} = this._resolvePath(from);
-    const {fsPath: toPath} = this._resolvePath(to);
-    return fsAsync.rename(fromPath, toPath);
+    const { fsPath: fromPath } = this._resolvePath(from)
+    const { fsPath: toPath } = this._resolvePath(to)
+    return fsAsync.rename(fromPath, toPath)
   }
 
   chmod(path, mode) {
-    const {fsPath} = this._resolvePath(path);
-    return fsAsync.chmod(fsPath, mode);
+    const { fsPath } = this._resolvePath(path)
+    return fsAsync.chmod(fsPath, mode)
   }
 
   getUniqueName() {
-    return uuid.v4().replace(/\W/g, '');
+    return uuid.v4().replace(/\W/g, '')
   }
 }
-module.exports = FileSystem;
+
+export { FileSystem }

src/helpers/escape-path.js

@@ -1,4 +1,3 @@
-module.exports = function (path) {
-  return path
-    .replace(/"/g, '""');
-};
+export default function (path) {
+  return path.replace(/"/g, '""')
+}

src/helpers/file-stat.js

@@ -1,46 +1,50 @@
-const _ = require('lodash');
-const moment = require('moment');
-const errors = require('../errors');
+import _ from 'lodash'
+import moment from 'moment'
+import errors from '../errors.js'
 
 const FORMATS = {
   ls,
   ep
-};
+}
 
-module.exports = function (fileStat, format = 'ls') {
-  if (typeof format === 'function') return format(fileStat);
+export default function (fileStat, format = 'ls') {
+  if (typeof format === 'function') return format(fileStat)
   if (!FORMATS.hasOwnProperty(format)) {
-    throw new errors.FileSystemError('Bad file stat formatter');
+    throw new errors.FileSystemError('Bad file stat formatter')
   }
-  return FORMATS[format](fileStat);
-};
+  return FORMATS[format](fileStat)
+}
 
 function ls(fileStat) {
-  const now = moment.utc();
-  const mtime = moment.utc(new Date(fileStat.mtime));
-  const timeDiff = now.diff(mtime, 'months');
-  const dateFormat = timeDiff < 6 ? 'MMM DD HH:mm' : 'MMM DD  YYYY';
+  const now = moment.utc()
+  const mtime = moment.utc(new Date(fileStat.mtime))
+  const timeDiff = now.diff(mtime, 'months')
+  const dateFormat = timeDiff < 6 ? 'MMM DD HH:mm' : 'MMM DD  YYYY'
 
   return [
-    fileStat.mode ? [
-      fileStat.isDirectory() ? 'd' : '-',
-      fileStat.mode & 256 ? 'r' : '-',
-      fileStat.mode & 128 ? 'w' : '-',
-      fileStat.mode & 64 ? 'x' : '-',
-      fileStat.mode & 32 ? 'r' : '-',
-      fileStat.mode & 16 ? 'w' : '-',
-      fileStat.mode & 8 ? 'x' : '-',
-      fileStat.mode & 4 ? 'r' : '-',
-      fileStat.mode & 2 ? 'w' : '-',
-      fileStat.mode & 1 ? 'x' : '-'
-    ].join('') : fileStat.isDirectory() ? 'drwxr-xr-x' : '-rwxr-xr-x',
+    fileStat.mode
+      ? [
+          fileStat.isDirectory() ? 'd' : '-',
+          fileStat.mode & 256 ? 'r' : '-',
+          fileStat.mode & 128 ? 'w' : '-',
+          fileStat.mode & 64 ? 'x' : '-',
+          fileStat.mode & 32 ? 'r' : '-',
+          fileStat.mode & 16 ? 'w' : '-',
+          fileStat.mode & 8 ? 'x' : '-',
+          fileStat.mode & 4 ? 'r' : '-',
+          fileStat.mode & 2 ? 'w' : '-',
+          fileStat.mode & 1 ? 'x' : '-'
+        ].join('')
+      : fileStat.isDirectory()
+        ? 'drwxr-xr-x'
+        : '-rwxr-xr-x',
     '1',
     fileStat.uid || 1,
     fileStat.gid || 1,
     _.padStart(fileStat.size, 12),
     _.padStart(mtime.format(dateFormat), 12),
     fileStat.name
-  ].join(' ');
+  ].join(' ')
 }
 
 function ep(fileStat) {
@@ -50,6 +54,6 @@ function ep(fileStat) {
     fileStat.mtime ? `m${moment.utc(new Date(fileStat.mtime)).format('X')}` : null,
     fileStat.mode ? `up${(fileStat.mode & 4095).toString(8)}` : null,
     fileStat.isDirectory() ? '/' : 'r'
-  ]).join(',');
-  return `+${facts}\t${fileStat.name}`;
+  ]).join(',')
+  return `+${facts}\t${fileStat.name}`
 }

src/helpers/find-port.js

@@ -1,61 +1,59 @@
-const net = require('net');
-const errors = require('../errors');
+import net from 'node:net'
+import errors from '../errors.js'
 
-const MAX_PORT = 65535;
-const MAX_PORT_CHECK_ATTEMPT = 5;
+const MAX_PORT = 65535
+const MAX_PORT_CHECK_ATTEMPT = 5
 
 function* portNumberGenerator(min, max = MAX_PORT) {
-  let current = min;
+  let current = min
   while (true) {
     if (current > MAX_PORT || current > max) {
-      current = min;
+      current = min
     }
-    yield current++;
+    yield current++
   }
 }
 
 function getNextPortFactory(host, portMin, portMax, maxAttempts = MAX_PORT_CHECK_ATTEMPT) {
-  const nextPortNumber = portNumberGenerator(portMin, portMax);
+  const nextPortNumber = portNumberGenerator(portMin, portMax)
 
-  return () => new Promise((resolve, reject) => {
-    const portCheckServer = net.createServer();
-    portCheckServer.maxConnections = 0;
+  return () =>
+    new Promise((resolve, reject) => {
+      const portCheckServer = net.createServer()
+      portCheckServer.maxConnections = 0
 
-    let attemptCount = 0;
-    const tryGetPort = () => {
-      attemptCount++;
-      if (attemptCount > maxAttempts) {
-        reject(new errors.ConnectorError('Unable to find valid port'));
-        return;
-      }
-
-      const {value: port} = nextPortNumber.next();
-
-      portCheckServer.removeAllListeners();
-      portCheckServer.once('error', (err) => {
-        if (['EADDRINUSE'].includes(err.code)) {
-          tryGetPort();
-        } else {
-          reject(err);
+      let attemptCount = 0
+      const tryGetPort = () => {
+        attemptCount++
+        if (attemptCount > maxAttempts) {
+          reject(new errors.ConnectorError('Unable to find valid port'))
+          return
         }
-      });
-      portCheckServer.once('listening', () => {
-        portCheckServer.removeAllListeners();
-        portCheckServer.close(() => resolve(port));
-      });
 
-      try {
-        portCheckServer.listen(port, host);
-      } catch (err) {
-        reject(err);
+        const { value: port } = nextPortNumber.next()
+
+        portCheckServer.removeAllListeners()
+        portCheckServer.once('error', (err) => {
+          if (['EADDRINUSE'].includes(err.code)) {
+            tryGetPort()
+          } else {
+            reject(err)
+          }
+        })
+        portCheckServer.once('listening', () => {
+          portCheckServer.removeAllListeners()
+          portCheckServer.close(() => resolve(port))
+        })
+
+        try {
+          portCheckServer.listen(port, host)
+        } catch (err) {
+          reject(err)
+        }
       }
-    };
 
-    tryGetPort();
-  });
+      tryGetPort()
+    })
 }
 
-module.exports = {
-  getNextPortFactory,
-  portNumberGenerator
-};
+export { getNextPortFactory, portNumberGenerator }

src/helpers/fs-async.js

@@ -1,18 +1,9 @@
-const fs = require('fs');
-const {promisify} = require('bluebird');
+import fs from 'node:fs'
+import Promise from 'bluebird'
 
-const methods = [
-  'stat',
-  'readdir',
-  'access',
-  'unlink',
-  'rmdir',
-  'mkdir',
-  'rename',
-  'chmod'
-];
+const methods = ['stat', 'readdir', 'access', 'unlink', 'rmdir', 'mkdir', 'rename', 'chmod']
 
-module.exports = methods.reduce((obj, method) => {
-  obj[method] = promisify(fs[method]);
-  return obj;
-}, {});
+export default methods.reduce((obj, method) => {
+  obj[method] = Promise.promisify(fs[method])
+  return obj
+}, {})

src/helpers/is-local.js

@@ -1,3 +1,3 @@
-module.exports.isLocalIP = function(ip) {
-  return ip === '127.0.0.1' || ip == '::1';
+export const isLocalIP = function (ip) {
+  return ip === '127.0.0.1' || ip == '::1'
 }

src/index.js

@@ -1,173 +1,194 @@
-const _ = require('lodash');
-const Promise = require('bluebird');
-const nodeUrl = require('url');
-const buyan = require('bunyan');
-const net = require('net');
-const tls = require('tls');
-const EventEmitter = require('events');
+import _ from 'lodash'
+import Promise from 'bluebird'
+import nodeUrl from 'node:url'
+import buyan from 'bunyan'
+import net from 'node:net'
+import tls from 'node:tls'
+import { EventEmitter } from 'node:events'
+import Connection from './connection.js'
+import { getNextPortFactory } from './helpers/find-port.js'
 
-const Connection = require('./connection');
-const {getNextPortFactory} = require('./helpers/find-port');
-
-class FtpServer extends EventEmitter {
+export default class FtpServer extends EventEmitter {
   constructor(options = {}) {
-    super();
-    this.options = Object.assign({
-      log: buyan.createLogger({name: 'ftp-srv'}),
-      url: 'ftp://127.0.0.1:21',
-      pasv_min: 1024,
-      pasv_max: 65535,
-      pasv_url: null,
-      anonymous: false,
-      file_format: 'ls',
-      blacklist: [],
-      whitelist: [],
-      greeting: null,
-      tls: false,
-      timeout: 0
-    }, options);
+    super()
+    this.options = Object.assign(
+      {
+        log: buyan.createLogger({ name: 'ftp-srv' }),
+        url: 'ftp://127.0.0.1:21',
+        pasv_min: 1024,
+        pasv_max: 65535,
+        pasv_url: null,
+        random_pasv_port: false,
+        anonymous: false,
+        file_format: 'ls',
+        blacklist: [],
+        whitelist: [],
+        greeting: null,
+        tls: false,
+        timeout: 0
+      },
+      options
+    )
 
-    this._greeting = this.setupGreeting(this.options.greeting);
-    this._features = this.setupFeaturesMessage();
+    this._greeting = this.setupGreeting(this.options.greeting)
+    this._features = this.setupFeaturesMessage()
 
-    delete this.options.greeting;
+    delete this.options.greeting
 
-    this.connections = {};
-    this.log = this.options.log;
-    this.url = nodeUrl.parse(this.options.url);
-    this.getNextPasvPort = getNextPortFactory(
-      _.get(this, 'url.hostname'),
-      _.get(this, 'options.pasv_min'),
-      _.get(this, 'options.pasv_max'));
+    this.connections = {}
+    this.log = this.options.log
+    this.url = nodeUrl.parse(this.options.url)
+    this.getNextPasvPort = this.getNextPortFactory()
 
-    const timeout = Number(this.options.timeout);
-    this.options.timeout = isNaN(timeout) ? 0 : Number(timeout);
+    const timeout = Number(this.options.timeout)
+    this.options.timeout = isNaN(timeout) ? 0 : Number(timeout)
 
     const serverConnectionHandler = (socket) => {
-      this.options.timeout > 0 && socket.setTimeout(this.options.timeout);
-      let connection = new Connection(this, {log: this.log, socket});
-      this.connections[connection.id] = connection;
+      this.options.timeout > 0 && socket.setTimeout(this.options.timeout)
+      let connection = new Connection(this, { log: this.log, socket })
+      this.connections[connection.id] = connection
 
-      socket.on('close', () => this.disconnectClient(connection.id));
+      socket.on('close', () => this.disconnectClient(connection.id))
       socket.once('close', () => {
-        this.emit('disconnect', {connection, id: connection.id, newConnectionCount: Object.keys(this.connections).length});
+        this.emit('disconnect', {
+          connection,
+          id: connection.id,
+          newConnectionCount: Object.keys(this.connections).length
+        })
       })
-      
-      this.emit('connect', {connection, id: connection.id, newConnectionCount: Object.keys(this.connections).length});
 
-      const greeting = this._greeting || [];
-      const features = this._features || 'Ready';
-      return connection.reply(220, ...greeting, features)
-        .then(() => socket.resume());
-    };
-    const serverOptions = Object.assign({}, this.isTLS ? this.options.tls : {}, {pauseOnConnect: true});
+      this.emit('connect', {
+        connection,
+        id: connection.id,
+        newConnectionCount: Object.keys(this.connections).length
+      })
 
-    this.server = (this.isTLS ? tls : net).createServer(serverOptions, serverConnectionHandler);
+      const greeting = this._greeting || []
+      const features = this._features || 'Ready'
+      return connection.reply(220, ...greeting, features).then(() => socket.resume())
+    }
+    const serverOptions = Object.assign({}, this.isTLS ? this.options.tls : {}, { pauseOnConnect: true })
+
+    this.server = (this.isTLS ? tls : net).createServer(serverOptions, serverConnectionHandler)
     this.server.on('error', (err) => {
-      this.log.error(err, '[Event] error');
-      this.emit('server-error', {error: err});
-    });
-    
-    const quit = _.debounce(this.quit.bind(this), 100);
+      this.log.error(err, '[Event] error')
+      this.emit('server-error', { error: err })
+    })
 
-    process.on('SIGTERM', quit);
-    process.on('SIGINT', quit);
-    process.on('SIGQUIT', quit);
+    const quit = _.debounce(this.quit.bind(this), 100)
+
+    process.on('SIGTERM', quit)
+    process.on('SIGINT', quit)
+    process.on('SIGQUIT', quit)
+  }
+
+  getNextPortFactory() {
+    const nextPortFactory = getNextPortFactory(
+      _.get(this, 'url.hostname'),
+      _.get(this, 'options.pasv_min'),
+      _.get(this, 'options.pasv_max')
+    )
+    const randomPortFactory = async () => 0
+
+    return _.get(this, 'options.random_pasv_port') ? randomPortFactory : nextPortFactory
   }
 
   get isTLS() {
-    return this.url.protocol === 'ftps:' && this.options.tls;
+    return this.url.protocol === 'ftps:' && this.options.tls
   }
 
   listen() {
     if (!this.options.pasv_url) {
-      this.log.warn('Passive URL not set. Passive connections not available.');
+      this.log.warn('Passive URL not set. Passive connections not available.')
     }
 
     return new Promise((resolve, reject) => {
-      this.server.once('error', reject);
+      this.server.once('error', reject)
       this.server.listen(this.url.port, this.url.hostname, (err) => {
-        this.server.removeListener('error', reject);
-        if (err) return reject(err);
-        this.log.info({
-          protocol: this.url.protocol.replace(/\W/g, ''),
-          ip: this.url.hostname,
-          port: this.url.port
-        }, 'Listening');
-        resolve('Listening');
-      });
-    });
+        this.server.removeListener('error', reject)
+        if (err) return reject(err)
+        this.log.info(
+          {
+            protocol: this.url.protocol.replace(/\W/g, ''),
+            ip: this.url.hostname,
+            port: this.url.port
+          },
+          'Listening'
+        )
+        resolve('Listening')
+      })
+    })
   }
 
   emitPromise(action, ...data) {
     return new Promise((resolve, reject) => {
-      const params = _.concat(data, [resolve, reject]);
-      this.emit.call(this, action, ...params);
-    });
+      const params = _.concat(data, [resolve, reject])
+      this.emit.call(this, action, ...params)
+    })
   }
 
   setupGreeting(greet) {
-    if (!greet) return [];
-    const greeting = Array.isArray(greet) ? greet : greet.split('\n');
-    return greeting;
+    if (!greet) return []
+    const greeting = Array.isArray(greet) ? greet : greet.split('\n')
+    return greeting
   }
 
   setupFeaturesMessage() {
-    let features = [];
-    if (this.options.anonymous) features.push('a');
+    let features = []
+    if (this.options.anonymous) features.push('a')
 
     if (features.length) {
-      features.unshift('Features:');
-      features.push('.');
+      features.unshift('Features:')
+      features.push('.')
     }
-    return features.length ? features.join(' ') : 'Ready';
+    return features.length ? features.join(' ') : 'Ready'
   }
 
   disconnectClient(id) {
     return new Promise((resolve, reject) => {
-      const client = this.connections[id];
-      if (!client) return resolve();
-      delete this.connections[id];
+      const client = this.connections[id]
+      if (!client) return resolve()
+      delete this.connections[id]
 
       setTimeout(() => {
         reject(new Error('Timed out disconnecting the client'))
       }, this.options.timeout || 1000)
 
       try {
-        client.close(0);
+        client.close(0)
       } catch (err) {
-        this.log.error(err, 'Error closing connection', {id});
+        this.log.error(err, 'Error closing connection', { id })
       }
-      
-      resolve('Disconnected');
-    });
+
+      resolve('Disconnected')
+    })
   }
 
   quit() {
-    return this.close()
-    .then(() => process.exit(0));
+    return this.close().then(() => process.exit(0))
   }
 
   close() {
-    this.server.maxConnections = 0;
-    this.emit('closing');
-    this.log.info('Closing connections:', Object.keys(this.connections).length);
+    this.server.maxConnections = 0
+    this.emit('closing')
+    this.log.info('Closing connections:', Object.keys(this.connections).length)
 
     return Promise.all(Object.keys(this.connections).map((id) => this.disconnectClient(id)))
-    .then(() => new Promise((resolve) => {
-      this.server.close((err) => {
-        this.log.info('Server closing...');
-        if (err) this.log.error(err, 'Error closing server');
-        resolve('Closed');
-      });
-    }))
-    .then(() => {
-      this.log.debug('Removing event listeners...')
-      this.emit('closed', {});
-      this.removeAllListeners();
-      return;
-    });
+      .then(
+        () =>
+          new Promise((resolve) => {
+            this.server.close((err) => {
+              this.log.info('Server closing...')
+              if (err) this.log.error(err, 'Error closing server')
+              resolve('Closed')
+            })
+          })
+      )
+      .then(() => {
+        this.log.debug('Removing event listeners...')
+        this.emit('closed', {})
+        this.removeAllListeners()
+        return
+      })
   }
-
 }
-module.exports = FtpServer;

src/messages.js

@@ -1,4 +1,4 @@
-module.exports = {
+export default {
   // 100 - 199 :: Remarks
   100: 'The requested action is being initiated',
   110: 'Restart marker reply',
@@ -23,7 +23,7 @@ module.exports = {
   230: 'User logged in, proceed',
   234: 'Honored',
   250: 'Requested file action okay, completed',
-  257: '\'%s\' created',
+  257: "'%s' created",
   /// 300 - 399 :: Positive Intermediate Replies
   /// These types of replies indicate that the requested action was taken and that the server is awaiting further information to complete the request.
   331: 'Username okay, awaiting password',
@@ -53,4 +53,4 @@ module.exports = {
   551: 'Requested action aborted. Page type unknown',
   552: 'Requested file action aborted. Exceeded storage allocation', // (for current directory or dataset).
   553: 'Requested action not taken. File name not allowed'
-};
+}

test/commands/index.spec.js

@@ -1,125 +1,121 @@
-const {expect} = require('chai');
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const sinon = require('sinon');
+const { expect } = require('chai')
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const sinon = require('sinon')
 
-const FtpCommands = require('../../src/commands');
+const FtpCommands = require('../../src/commands')
 
 describe('FtpCommands', function () {
-  let sandbox;
-  let commands;
+  let sandbox
+  let commands
   let mockConnection = {
     authenticated: false,
-    log: bunyan.createLogger({name: 'FtpCommands'}),
+    log: bunyan.createLogger({ name: 'FtpCommands' }),
     reply: () => Promise.resolve({}),
     server: {
       options: {
         blacklist: ['allo']
       }
     }
-  };
+  }
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    commands = new FtpCommands(mockConnection);
+    commands = new FtpCommands(mockConnection)
 
-    sandbox.spy(mockConnection, 'reply');
-    sandbox.spy(commands, 'handle');
-    sandbox.spy(commands, 'parse');
-  });
+    sandbox.spy(mockConnection, 'reply')
+    sandbox.spy(commands, 'handle')
+    sandbox.spy(commands, 'parse')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('parse', function () {
     it('no args: test', () => {
-      const cmd = commands.parse('test');
-      expect(cmd.directive).to.equal('TEST');
-      expect(cmd.arg).to.equal(null);
-      expect(cmd.raw).to.equal('test');
-    });
+      const cmd = commands.parse('test')
+      expect(cmd.directive).to.equal('TEST')
+      expect(cmd.arg).to.equal(null)
+      expect(cmd.raw).to.equal('test')
+    })
 
     it('one arg: test arg', () => {
-      const cmd = commands.parse('test arg');
-      expect(cmd.directive).to.equal('TEST');
-      expect(cmd.arg).to.equal('arg');
-      expect(cmd.raw).to.equal('test arg');
-    });
+      const cmd = commands.parse('test arg')
+      expect(cmd.directive).to.equal('TEST')
+      expect(cmd.arg).to.equal('arg')
+      expect(cmd.raw).to.equal('test arg')
+    })
 
     it('two args: test arg1 arg2', () => {
-      const cmd = commands.parse('test arg1 arg2');
-      expect(cmd.directive).to.equal('TEST');
-      expect(cmd.arg).to.equal('arg1 arg2');
-      expect(cmd.raw).to.equal('test arg1 arg2');
-    });
+      const cmd = commands.parse('test arg1 arg2')
+      expect(cmd.directive).to.equal('TEST')
+      expect(cmd.arg).to.equal('arg1 arg2')
+      expect(cmd.raw).to.equal('test arg1 arg2')
+    })
 
     it('two args with quotes: test "hello world"', () => {
-      const cmd = commands.parse('test "hello world"');
-      expect(cmd.directive).to.equal('TEST');
-      expect(cmd.arg).to.equal('hello world');
-      expect(cmd.raw).to.equal('test "hello world"');
-    });
+      const cmd = commands.parse('test "hello world"')
+      expect(cmd.directive).to.equal('TEST')
+      expect(cmd.arg).to.equal('hello world')
+      expect(cmd.raw).to.equal('test "hello world"')
+    })
 
     it('two args, with flags: test -l arg1 -A arg2 --zz88A', () => {
-      const cmd = commands.parse('test -l arg1 -A arg2 --zz88A');
-      expect(cmd.directive).to.equal('TEST');
-      expect(cmd.arg).to.equal('arg1 arg2 --zz88A');
-      expect(cmd.flags).to.deep.equal(['-l', '-A']);
-      expect(cmd.raw).to.equal('test -l arg1 -A arg2 --zz88A');
-    });
+      const cmd = commands.parse('test -l arg1 -A arg2 --zz88A')
+      expect(cmd.directive).to.equal('TEST')
+      expect(cmd.arg).to.equal('arg1 arg2 --zz88A')
+      expect(cmd.flags).to.deep.equal(['-l', '-A'])
+      expect(cmd.raw).to.equal('test -l arg1 -A arg2 --zz88A')
+    })
 
     it('one arg, with flags: list -l', () => {
-      const cmd = commands.parse('list -l');
-      expect(cmd.directive).to.equal('LIST');
-      expect(cmd.arg).to.equal(null);
-      expect(cmd.flags).to.deep.equal(['-l']);
-      expect(cmd.raw).to.equal('list -l');
-    });
+      const cmd = commands.parse('list -l')
+      expect(cmd.directive).to.equal('LIST')
+      expect(cmd.arg).to.equal(null)
+      expect(cmd.flags).to.deep.equal(['-l'])
+      expect(cmd.raw).to.equal('list -l')
+    })
 
     it('does not check for option flags', () => {
-      const cmd = commands.parse('retr -test');
-      expect(cmd.directive).to.equal('RETR');
-      expect(cmd.arg).to.equal('-test');
-      expect(cmd.flags).to.deep.equal([]);
-    });
-  });
+      const cmd = commands.parse('retr -test')
+      expect(cmd.directive).to.equal('RETR')
+      expect(cmd.arg).to.equal('-test')
+      expect(cmd.flags).to.deep.equal([])
+    })
+  })
 
   describe('handle', function () {
     it('fails with unsupported command', () => {
-      return commands.handle('bad')
-      .then(() => {
-        expect(mockConnection.reply.callCount).to.equal(1);
-        expect(mockConnection.reply.args[0][0]).to.equal(502);
-      });
-    });
+      return commands.handle('bad').then(() => {
+        expect(mockConnection.reply.callCount).to.equal(1)
+        expect(mockConnection.reply.args[0][0]).to.equal(502)
+      })
+    })
 
     it('fails with blacklisted command', () => {
-      return commands.handle('allo')
-      .then(() => {
-        expect(mockConnection.reply.callCount).to.equal(1);
-        expect(mockConnection.reply.args[0][0]).to.equal(502);
-        expect(mockConnection.reply.args[0][1]).to.match(/blacklisted/);
-      });
-    });
+      return commands.handle('allo').then(() => {
+        expect(mockConnection.reply.callCount).to.equal(1)
+        expect(mockConnection.reply.args[0][0]).to.equal(502)
+        expect(mockConnection.reply.args[0][1]).to.match(/blacklisted/)
+      })
+    })
 
     it('fails with non whitelisted command', () => {
-      commands.whitelist.push('USER');
-      return commands.handle('auth')
-      .then(() => {
-        expect(mockConnection.reply.callCount).to.equal(1);
-        expect(mockConnection.reply.args[0][0]).to.equal(502);
-        expect(mockConnection.reply.args[0][1]).to.match(/whitelisted/);
-      });
-    });
+      commands.whitelist.push('USER')
+      return commands.handle('auth').then(() => {
+        expect(mockConnection.reply.callCount).to.equal(1)
+        expect(mockConnection.reply.args[0][0]).to.equal(502)
+        expect(mockConnection.reply.args[0][1]).to.match(/whitelisted/)
+      })
+    })
 
     it('fails due to being unauthenticated', () => {
-      return commands.handle('stor')
-      .then(() => {
-        expect(mockConnection.reply.callCount).to.equal(1);
-        expect(mockConnection.reply.args[0][0]).to.equal(530);
-        expect(mockConnection.reply.args[0][1]).to.match(/authentication/);
-      });
-    });
-  });
-});
+      return commands.handle('stor').then(() => {
+        expect(mockConnection.reply.callCount).to.equal(1)
+        expect(mockConnection.reply.args[0][0]).to.equal(530)
+        expect(mockConnection.reply.args[0][1]).to.match(/authentication/)
+      })
+    })
+  })
+})

test/commands/registration/abor.spec.js

@@ -1,49 +1,47 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'ABOR';
+const CMD = 'ABOR'
 describe.skip(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve(),
     connector: {
       waitForConnection: () => Promise.resolve(),
       end: () => Promise.resolve()
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.connector, 'waitForConnection');
-    sandbox.spy(mockClient.connector, 'end');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.connector, 'waitForConnection')
+    sandbox.spy(mockClient.connector, 'end')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful | no active connection', () => {
-    mockClient.connector.waitForConnection.restore();
-    sandbox.stub(mockClient.connector, 'waitForConnection').rejects();
+    mockClient.connector.waitForConnection.restore()
+    sandbox.stub(mockClient.connector, 'waitForConnection').rejects()
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.connector.waitForConnection.callCount).to.equal(1);
-      expect(mockClient.connector.end.callCount).to.equal(0);
-      expect(mockClient.reply.args[0][0]).to.equal(225);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.connector.waitForConnection.callCount).to.equal(1)
+      expect(mockClient.connector.end.callCount).to.equal(0)
+      expect(mockClient.reply.args[0][0]).to.equal(225)
+    })
+  })
 
   it('// successful | active connection', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.connector.waitForConnection.callCount).to.equal(1);
-      expect(mockClient.connector.end.callCount).to.equal(1);
-      expect(mockClient.reply.args[0][0]).to.equal(426);
-      expect(mockClient.reply.args[1][0]).to.equal(226);
-    });
-  });
-});
+    return cmdFn().then(() => {
+      expect(mockClient.connector.waitForConnection.callCount).to.equal(1)
+      expect(mockClient.connector.end.callCount).to.equal(1)
+      expect(mockClient.reply.args[0][0]).to.equal(426)
+      expect(mockClient.reply.args[1][0]).to.equal(226)
+    })
+  })
+})

test/commands/registration/allo.spec.js

@@ -1,28 +1,27 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'ALLO';
+const CMD = 'ALLO'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(202);
-    });
-  });
-});
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(202)
+    })
+  })
+})

test/commands/registration/auth.spec.js

@@ -1,10 +1,10 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'AUTH';
+const CMD = 'AUTH'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve(),
     server: {
@@ -12,37 +12,34 @@ describe(CMD, function () {
         tls: {}
       }
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('TLS // supported', () => {
-    return cmdFn({command: {arg: 'TLS', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(234);
-      expect(mockClient.secure).to.equal(true);
-    });
-  });
+    return cmdFn({ command: { arg: 'TLS', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(234)
+      expect(mockClient.secure).to.equal(true)
+    })
+  })
 
   it('SSL // not supported', () => {
-    return cmdFn({command: {arg: 'SSL', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
+    return cmdFn({ command: { arg: 'SSL', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
 
   it('bad // bad', () => {
-    return cmdFn({command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
+})

test/commands/registration/cdup.spec.js

@@ -1,35 +1,34 @@
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'CDUP';
+const CMD = 'CDUP'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => Promise.resolve(),
     fs: {
       chdir: () => Promise.resolve()
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.fs, 'chdir');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.fs, 'chdir')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('.. // successful', () => {
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(250);
-      expect(mockClient.fs.chdir.args[0][0]).to.equal('..');
-    });
-  });
-});
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(250)
+      expect(mockClient.fs.chdir.args[0][0]).to.equal('..')
+    })
+  })
+})

test/commands/registration/cwd.spec.js

@@ -1,78 +1,77 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'CWD';
+const CMD = 'CWD'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
-    fs: {chdir: () => {}}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+    fs: { chdir: () => {} }
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient.fs, 'chdir').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient.fs, 'chdir').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs chdir command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('test // successful', () => {
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(250);
-      expect(mockClient.fs.chdir.args[0][0]).to.equal('test');
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(250)
+      expect(mockClient.fs.chdir.args[0][0]).to.equal('test')
+    })
+  })
 
   it('test // successful', () => {
-    mockClient.fs.chdir.restore();
-    sandbox.stub(mockClient.fs, 'chdir').resolves('/test');
+    mockClient.fs.chdir.restore()
+    sandbox.stub(mockClient.fs, 'chdir').resolves('/test')
 
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(250);
-      expect(mockClient.fs.chdir.args[0][0]).to.equal('test');
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(250)
+      expect(mockClient.fs.chdir.args[0][0]).to.equal('test')
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    mockClient.fs.chdir.restore();
-    sandbox.stub(mockClient.fs, 'chdir').rejects(new Error('Bad'));
+    mockClient.fs.chdir.restore()
+    sandbox.stub(mockClient.fs, 'chdir').rejects(new Error('Bad'))
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-      expect(mockClient.fs.chdir.args[0][0]).to.equal('bad');
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+      expect(mockClient.fs.chdir.args[0][0]).to.equal('bad')
+    })
+  })
+})

test/commands/registration/dele.spec.js

@@ -1,67 +1,67 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'DELE';
+const CMD = 'DELE'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
-    fs: {delete: () => {}}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+    fs: { delete: () => {} }
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient.fs, 'delete').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient.fs, 'delete').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs delete command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('test // successful', () => {
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(250);
-      expect(mockClient.fs.delete.args[0][0]).to.equal('test');
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(250)
+      expect(mockClient.fs.delete.args[0][0]).to.equal('test')
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    mockClient.fs.delete.restore();
-    sandbox.stub(mockClient.fs, 'delete').rejects(new Error('Bad'));
+    mockClient.fs.delete.restore()
+    sandbox.stub(mockClient.fs, 'delete').rejects(new Error('Bad'))
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-      expect(mockClient.fs.delete.args[0][0]).to.equal('bad');
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+      expect(mockClient.fs.delete.args[0][0]).to.equal('bad')
+    })
+  })
+})

test/commands/registration/eprt.spec.js

@@ -1,60 +1,56 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const ActiveConnector = require('../../../src/connector/active');
+const ActiveConnector = require('../../../src/connector/active')
 
-const CMD = 'EPRT';
+const CMD = 'EPRT'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.stub(ActiveConnector.prototype, 'setupConnection').resolves();
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.stub(ActiveConnector.prototype, 'setupConnection').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no argument', () => {
-    return cmdFn({})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
+    return cmdFn({}).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
 
   it('// unsuccessful | invalid argument', () => {
-    return cmdFn({command: {arg: 'blah'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
+    return cmdFn({ command: { arg: 'blah' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
 
   it('// successful IPv4', () => {
-    return cmdFn({command: {arg: '|1|192.168.0.100|35286|'}})
-    .then(() => {
-      const [ip, port, family] = ActiveConnector.prototype.setupConnection.args[0];
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(ip).to.equal('192.168.0.100');
-      expect(port).to.equal('35286');
-      expect(family).to.equal(4);
-    });
-  });
+    return cmdFn({ command: { arg: '|1|192.168.0.100|35286|' } }).then(() => {
+      const [ip, port, family] = ActiveConnector.prototype.setupConnection.args[0]
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(ip).to.equal('192.168.0.100')
+      expect(port).to.equal('35286')
+      expect(family).to.equal(4)
+    })
+  })
 
   it('// successful IPv6', () => {
-    return cmdFn({command: {arg: '|2|8536:933f:e7f3:3e91:6dc1:e8c6:8482:7b23|35286|'}})
-    .then(() => {
-      const [ip, port, family] = ActiveConnector.prototype.setupConnection.args[0];
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(ip).to.equal('8536:933f:e7f3:3e91:6dc1:e8c6:8482:7b23');
-      expect(port).to.equal('35286');
-      expect(family).to.equal(6);
-    });
-  });
-});
+    return cmdFn({ command: { arg: '|2|8536:933f:e7f3:3e91:6dc1:e8c6:8482:7b23|35286|' } }).then(() => {
+      const [ip, port, family] = ActiveConnector.prototype.setupConnection.args[0]
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(ip).to.equal('8536:933f:e7f3:3e91:6dc1:e8c6:8482:7b23')
+      expect(port).to.equal('35286')
+      expect(family).to.equal(6)
+    })
+  })
+})

test/commands/registration/epsv.spec.js

@@ -1,35 +1,34 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const PassiveConnector = require('../../../src/connector/passive');
+const PassiveConnector = require('../../../src/connector/passive')
 
-const CMD = 'EPSV';
+const CMD = 'EPSV'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
+    sandbox.stub(mockClient, 'reply').resolves()
     sandbox.stub(PassiveConnector.prototype, 'setupServer').resolves({
-      address: () => ({port: 12345})
-    });
-  });
+      address: () => ({ port: 12345 })
+    })
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful IPv4', () => {
-    return cmdFn({})
-    .then(() => {
-      const [code, message] = mockClient.reply.args[0];
-      expect(code).to.equal(229);
-      expect(message).to.equal('EPSV OK (|||12345|)');
-    });
-  });
-});
+    return cmdFn({}).then(() => {
+      const [code, message] = mockClient.reply.args[0]
+      expect(code).to.equal(229)
+      expect(message).to.equal('EPSV OK (|||12345|)')
+    })
+  })
+})

test/commands/registration/feat.spec.js

@@ -1,29 +1,28 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'FEAT';
+const CMD = 'FEAT'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn({command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(211);
-      expect(mockClient.reply.args[0][2].message).to.equal(' AUTH TLS');
-    });
-  });
-});
+    return cmdFn({ command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(211)
+      expect(mockClient.reply.args[0][2].message).to.equal(' AUTH TLS')
+    })
+  })
+})

test/commands/registration/help.spec.js

@@ -1,49 +1,45 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'HELP';
+const CMD = 'HELP'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn({command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(211);
-    });
-  });
+    return cmdFn({ command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(211)
+    })
+  })
 
   it('help // successful', () => {
-    return cmdFn({command: {arg: 'help', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(214);
-    });
-  });
+    return cmdFn({ command: { arg: 'help', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(214)
+    })
+  })
 
   it('allo // successful', () => {
-    return cmdFn({command: {arg: 'allo', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(214);
-    });
-  });
+    return cmdFn({ command: { arg: 'allo', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(214)
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    return cmdFn({command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(502);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(502)
+    })
+  })
+})

test/commands/registration/list.spec.js

@@ -1,12 +1,12 @@
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'LIST';
+const CMD = 'LIST'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
     fs: {
@@ -21,13 +21,13 @@ describe(CMD, function () {
       resume: () => {},
       pause: () => {}
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
+    sandbox.stub(mockClient, 'reply').resolves()
     sandbox.stub(mockClient.fs, 'get').resolves({
       name: 'testdir',
       dev: 2114,
@@ -45,85 +45,89 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => true
-    });
-    sandbox.stub(mockClient.fs, 'list').resolves([{
-      name: 'test1',
-      dev: 2114,
-      ino: 48064969,
-      mode: 33188,
-      nlink: 1,
-      uid: 85,
-      gid: 100,
-      rdev: 0,
-      size: 527,
-      blksize: 4096,
-      blocks: 8,
-      atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      isDirectory: () => false
-    }, {
-      name: 'test2',
-      dev: 2114,
-      ino: 48064969,
-      mode: 33188,
-      nlink: 1,
-      uid: 85,
-      gid: 100,
-      rdev: 0,
-      size: 527,
-      blksize: 4096,
-      blocks: 8,
-      atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      isDirectory: () => true
-    }]);
-  });
+    })
+    sandbox.stub(mockClient.fs, 'list').resolves([
+      {
+        name: 'test1',
+        dev: 2114,
+        ino: 48064969,
+        mode: 33188,
+        nlink: 1,
+        uid: 85,
+        gid: 100,
+        rdev: 0,
+        size: 527,
+        blksize: 4096,
+        blocks: 8,
+        atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        isDirectory: () => false
+      },
+      {
+        name: 'test2',
+        dev: 2114,
+        ino: 48064969,
+        mode: 33188,
+        nlink: 1,
+        uid: 85,
+        gid: 100,
+        rdev: 0,
+        size: 527,
+        blksize: 4096,
+        blocks: 8,
+        atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        isDirectory: () => true
+      }
+    ])
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs list command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('. // successful', () => {
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(150);
-      expect(mockClient.reply.args[1].length).to.equal(3);
-      expect(mockClient.reply.args[1][1]).to.have.property('raw');
-      expect(mockClient.reply.args[1][1]).to.have.property('message');
-      expect(mockClient.reply.args[1][1]).to.have.property('socket');
-      expect(mockClient.reply.args[2][0]).to.equal(226);
-    });
-  });
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(150)
+      expect(mockClient.reply.args[1].length).to.equal(3)
+      expect(mockClient.reply.args[1][1]).to.have.property('raw')
+      expect(mockClient.reply.args[1][1]).to.have.property('message')
+      expect(mockClient.reply.args[1][1]).to.have.property('socket')
+      expect(mockClient.reply.args[2][0]).to.equal(226)
+    })
+  })
 
   it('testfile.txt // successful', () => {
-    mockClient.fs.get.restore();
+    mockClient.fs.get.restore()
     sandbox.stub(mockClient.fs, 'get').resolves({
       name: 'testfile.txt',
       dev: 2114,
@@ -141,35 +145,34 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => false
-    });
+    })
 
-    return cmdFn({log, command: {directive: CMD, arg: 'testfile.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(150);
-      expect(mockClient.reply.args[1].length).to.equal(2);
-      expect(mockClient.reply.args[1][1]).to.have.property('raw');
-      expect(mockClient.reply.args[1][1]).to.have.property('message');
-      expect(mockClient.reply.args[1][1]).to.have.property('socket');
-      expect(mockClient.reply.args[2][0]).to.equal(226);
-    });
-  });
+    return cmdFn({ log, command: { directive: CMD, arg: 'testfile.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(150)
+      expect(mockClient.reply.args[1].length).to.equal(2)
+      expect(mockClient.reply.args[1][1]).to.have.property('raw')
+      expect(mockClient.reply.args[1][1]).to.have.property('message')
+      expect(mockClient.reply.args[1][1]).to.have.property('socket')
+      expect(mockClient.reply.args[2][0]).to.equal(226)
+    })
+  })
 
   it('. // unsuccessful', () => {
-    mockClient.fs.list.restore();
-    sandbox.stub(mockClient.fs, 'list').rejects(new Error());
+    mockClient.fs.list.restore()
+    sandbox.stub(mockClient.fs, 'list').rejects(new Error())
 
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(451);
-    });
-  });
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(451)
+    })
+  })
 
   it('. // unsuccessful (timeout)', () => {
-    sandbox.stub(mockClient.connector, 'waitForConnection').returns(Promise.reject(new Promise.TimeoutError()));
+    sandbox
+      .stub(mockClient.connector, 'waitForConnection')
+      .returns(Promise.reject(new Promise.TimeoutError()))
 
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(425);
-    });
-  });
-});
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(425)
+    })
+  })
+})

test/commands/registration/mdtm.spec.js

@@ -1,66 +1,66 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'MDTM';
+const CMD = 'MDTM'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
-    fs: {get: () => {}}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+    fs: { get: () => {} }
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient.fs, 'get').resolves({mtime: 'Mon, 10 Oct 2011 23:24:11 GMT'});
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient.fs, 'get').resolves({ mtime: 'Mon, 10 Oct 2011 23:24:11 GMT' })
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs get command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('. // successful', () => {
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(213);
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(213)
       //expect(mockClient.reply.args[0][1]).to.equal('20111010172411.000');
-    });
-  });
+    })
+  })
 
   it('. // unsuccessful', () => {
-    mockClient.fs.get.restore();
-    sandbox.stub(mockClient.fs, 'get').rejects(new Error());
+    mockClient.fs.get.restore()
+    sandbox.stub(mockClient.fs, 'get').rejects(new Error())
 
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
-});
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
+})

test/commands/registration/mkd.spec.js

@@ -1,78 +1,77 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'MKD';
+const CMD = 'MKD'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
-    fs: {mkdir: () => {}}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+    fs: { mkdir: () => {} }
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient.fs, 'mkdir').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient.fs, 'mkdir').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs mkdir command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('test // successful', () => {
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(257);
-      expect(mockClient.fs.mkdir.args[0][0]).to.equal('test');
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(257)
+      expect(mockClient.fs.mkdir.args[0][0]).to.equal('test')
+    })
+  })
 
   it('test // successful', () => {
-    mockClient.fs.mkdir.restore();
-    sandbox.stub(mockClient.fs, 'mkdir').resolves('test');
+    mockClient.fs.mkdir.restore()
+    sandbox.stub(mockClient.fs, 'mkdir').resolves('test')
 
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(257);
-      expect(mockClient.fs.mkdir.args[0][0]).to.equal('test');
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(257)
+      expect(mockClient.fs.mkdir.args[0][0]).to.equal('test')
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    mockClient.fs.mkdir.restore();
-    sandbox.stub(mockClient.fs, 'mkdir').rejects(new Error('Bad'));
+    mockClient.fs.mkdir.restore()
+    sandbox.stub(mockClient.fs, 'mkdir').rejects(new Error('Bad'))
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-      expect(mockClient.fs.mkdir.args[0][0]).to.equal('bad');
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+      expect(mockClient.fs.mkdir.args[0][0]).to.equal('bad')
+    })
+  })
+})

test/commands/registration/mode.spec.js

@@ -1,35 +1,33 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'MODE';
+const CMD = 'MODE'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('S // successful', () => {
-    return cmdFn({command: {arg: 'S'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
+    return cmdFn({ command: { arg: 'S' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
 
   it('Q // unsuccessful', () => {
-    return cmdFn({command: {arg: 'Q'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'Q' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
+})

test/commands/registration/nlst.spec.js

@@ -1,12 +1,12 @@
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'NLST';
+const CMD = 'NLST'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
     fs: {
@@ -21,13 +21,13 @@ describe(CMD, function () {
       resume: () => {},
       pause: () => {}
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
+    sandbox.stub(mockClient, 'reply').resolves()
     sandbox.stub(mockClient.fs, 'get').resolves({
       name: 'testdir',
       dev: 2114,
@@ -45,61 +45,63 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => true
-    });
-    sandbox.stub(mockClient.fs, 'list').resolves([{
-      name: 'test1',
-      dev: 2114,
-      ino: 48064969,
-      mode: 33188,
-      nlink: 1,
-      uid: 85,
-      gid: 100,
-      rdev: 0,
-      size: 527,
-      blksize: 4096,
-      blocks: 8,
-      atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      isDirectory: () => false
-    }, {
-      name: 'test2',
-      dev: 2114,
-      ino: 48064969,
-      mode: 33188,
-      nlink: 1,
-      uid: 85,
-      gid: 100,
-      rdev: 0,
-      size: 527,
-      blksize: 4096,
-      blocks: 8,
-      atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      isDirectory: () => true
-    }]);
-  });
+    })
+    sandbox.stub(mockClient.fs, 'list').resolves([
+      {
+        name: 'test1',
+        dev: 2114,
+        ino: 48064969,
+        mode: 33188,
+        nlink: 1,
+        uid: 85,
+        gid: 100,
+        rdev: 0,
+        size: 527,
+        blksize: 4096,
+        blocks: 8,
+        atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        isDirectory: () => false
+      },
+      {
+        name: 'test2',
+        dev: 2114,
+        ino: 48064969,
+        mode: 33188,
+        nlink: 1,
+        uid: 85,
+        gid: 100,
+        rdev: 0,
+        size: 527,
+        blksize: 4096,
+        blocks: 8,
+        atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        isDirectory: () => true
+      }
+    ])
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('. // successful', () => {
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(150);
-      expect(mockClient.reply.args[1].length).to.equal(3);
-      expect(mockClient.reply.args[1][1]).to.have.property('raw');
-      expect(mockClient.reply.args[1][1]).to.have.property('message');
-      expect(mockClient.reply.args[1][1]).to.have.property('socket');
-      expect(mockClient.reply.args[2][0]).to.equal(226);
-    });
-  });
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(150)
+      expect(mockClient.reply.args[1].length).to.equal(3)
+      expect(mockClient.reply.args[1][1]).to.have.property('raw')
+      expect(mockClient.reply.args[1][1]).to.have.property('message')
+      expect(mockClient.reply.args[1][1]).to.have.property('socket')
+      expect(mockClient.reply.args[2][0]).to.equal(226)
+    })
+  })
 
   it('testfile.txt // successful', () => {
-    mockClient.fs.get.restore();
+    mockClient.fs.get.restore()
     sandbox.stub(mockClient.fs, 'get').resolves({
       name: 'testfile.txt',
       dev: 2114,
@@ -117,16 +119,15 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => false
-    });
+    })
 
-    return cmdFn({log, command: {directive: CMD, arg: 'testfile.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(150);
-      expect(mockClient.reply.args[1].length).to.equal(2);
-      expect(mockClient.reply.args[1][1]).to.have.property('raw');
-      expect(mockClient.reply.args[1][1]).to.have.property('message');
-      expect(mockClient.reply.args[1][1]).to.have.property('socket');
-      expect(mockClient.reply.args[2][0]).to.equal(226);
-    });
-  });
-});
+    return cmdFn({ log, command: { directive: CMD, arg: 'testfile.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(150)
+      expect(mockClient.reply.args[1].length).to.equal(2)
+      expect(mockClient.reply.args[1][1]).to.have.property('raw')
+      expect(mockClient.reply.args[1][1]).to.have.property('message')
+      expect(mockClient.reply.args[1][1]).to.have.property('socket')
+      expect(mockClient.reply.args[2][0]).to.equal(226)
+    })
+  })
+})

test/commands/registration/noop.spec.js

@@ -1,28 +1,27 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'NOOP';
+const CMD = 'NOOP'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
-});
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
+})

test/commands/registration/opts.spec.js

@@ -1,58 +1,53 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'OPTS';
+const CMD = 'OPTS'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('BAD // unsuccessful', () => {
-    return cmdFn({command: {arg: 'BAD', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn({ command: { arg: 'BAD', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('UTF8 BAD // unsuccessful', () => {
-    return cmdFn({command: {arg: 'UTF8 BAD', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn({ command: { arg: 'UTF8 BAD', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('UTF8 OFF // successful', () => {
-    return cmdFn({command: {arg: 'UTF8 OFF', directive: CMD}})
-    .then(() => {
-      expect(mockClient.encoding).to.equal('ascii');
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
+    return cmdFn({ command: { arg: 'UTF8 OFF', directive: CMD } }).then(() => {
+      expect(mockClient.encoding).to.equal('ascii')
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
 
   it('UTF8 ON // successful', () => {
-    return cmdFn({command: {arg: 'UTF8 ON', directive: CMD}})
-    .then(() => {
-      expect(mockClient.encoding).to.equal('utf8');
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'UTF8 ON', directive: CMD } }).then(() => {
+      expect(mockClient.encoding).to.equal('utf8')
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
+})

test/commands/registration/pass.spec.js

@@ -1,74 +1,69 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'PASS';
+const CMD = 'PASS'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
     login: () => {},
-    server: {options: {anonymous: false}},
+    server: { options: { anonymous: false } },
     username: 'anonymous'
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient, 'login').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient, 'login').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('pass // successful', () => {
-    return cmdFn({log, command: {arg: 'pass', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(230);
-      expect(mockClient.login.args[0]).to.eql(['anonymous', 'pass']);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'pass', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(230)
+      expect(mockClient.login.args[0]).to.eql(['anonymous', 'pass'])
+    })
+  })
 
   it('// successful (already authenticated)', () => {
-    mockClient.server.options.anonymous = true;
-    mockClient.authenticated = true;
-    return cmdFn({log, command: {directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(202);
-      expect(mockClient.login.callCount).to.equal(0);
-      mockClient.server.options.anonymous = false;
-      mockClient.authenticated = false;
-    });
-  });
+    mockClient.server.options.anonymous = true
+    mockClient.authenticated = true
+    return cmdFn({ log, command: { directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(202)
+      expect(mockClient.login.callCount).to.equal(0)
+      mockClient.server.options.anonymous = false
+      mockClient.authenticated = false
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    mockClient.login.restore();
-    sandbox.stub(mockClient, 'login').rejects('bad');
+    mockClient.login.restore()
+    sandbox.stub(mockClient, 'login').rejects('bad')
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(530);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(530)
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    mockClient.login.restore();
-    sandbox.stub(mockClient, 'login').rejects({});
+    mockClient.login.restore()
+    sandbox.stub(mockClient, 'login').rejects({})
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(530);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(530)
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    delete mockClient.username;
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(503);
-    });
-  });
-});
+    delete mockClient.username
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(503)
+    })
+  })
+})

test/commands/registration/pbsz.spec.js

@@ -1,51 +1,48 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'PBSZ';
+const CMD = 'PBSZ'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve(),
     server: {}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(202);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(202)
+    })
+  })
 
   it('// successful', () => {
-    mockClient.secure = true;
-    mockClient.server._tls = {};
+    mockClient.secure = true
+    mockClient.server._tls = {}
 
-    return cmdFn({command: {arg: '0'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(mockClient.bufferSize).to.equal(0);
-    });
-  });
+    return cmdFn({ command: { arg: '0' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(mockClient.bufferSize).to.equal(0)
+    })
+  })
 
   it('// successful', () => {
-    mockClient.secure = true;
-    mockClient.server._tls = {};
+    mockClient.secure = true
+    mockClient.server._tls = {}
 
-    return cmdFn({command: {arg: '10'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(mockClient.bufferSize).to.equal(10);
-    });
-  });
-});
+    return cmdFn({ command: { arg: '10' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(mockClient.bufferSize).to.equal(10)
+    })
+  })
+})

test/commands/registration/port.spec.js

@@ -1,48 +1,45 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const ActiveConnector = require('../../../src/connector/active');
+const ActiveConnector = require('../../../src/connector/active')
 
-const CMD = 'PORT';
+const CMD = 'PORT'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.stub(ActiveConnector.prototype, 'setupConnection').resolves();
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.stub(ActiveConnector.prototype, 'setupConnection').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no argument', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(425);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(425)
+    })
+  })
 
   it('// unsuccessful | invalid argument', () => {
-    return cmdFn({command: {arg: '1,2,3,4,5'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(425);
-    });
-  });
+    return cmdFn({ command: { arg: '1,2,3,4,5' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(425)
+    })
+  })
 
   it('// successful', () => {
-    return cmdFn({command: {arg: '192,168,0,100,137,214'}})
-    .then(() => {
-      const [ip, port] = ActiveConnector.prototype.setupConnection.args[0];
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(ip).to.equal('192.168.0.100');
-      expect(port).to.equal(35286);
-    });
-  });
-});
+    return cmdFn({ command: { arg: '192,168,0,100,137,214' } }).then(() => {
+      const [ip, port] = ActiveConnector.prototype.setupConnection.args[0]
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(ip).to.equal('192.168.0.100')
+      expect(port).to.equal(35286)
+    })
+  })
+})

test/commands/registration/prot.spec.js

@@ -1,65 +1,60 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'PROT';
+const CMD = 'PROT'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve(),
     server: {}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(202);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(202)
+    })
+  })
 
   it('// unsuccessful - no bufferSize', () => {
-    mockClient.server._tls = {};
-    mockClient.secure = true;
+    mockClient.server._tls = {}
+    mockClient.secure = true
 
-    return cmdFn({command: {arg: 'P'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(503);
-    });
-  });
+    return cmdFn({ command: { arg: 'P' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(503)
+    })
+  })
 
   it('// successful', () => {
-    mockClient.bufferSize = 0;
-    mockClient.secure = true;
+    mockClient.bufferSize = 0
+    mockClient.secure = true
 
-    return cmdFn({command: {arg: 'p'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
+    return cmdFn({ command: { arg: 'p' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
 
   it('// unsuccessful - unsupported', () => {
-    mockClient.secure = true;
-    return cmdFn({command: {arg: 'C'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(536);
-    });
-  });
+    mockClient.secure = true
+    return cmdFn({ command: { arg: 'C' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(536)
+    })
+  })
 
   it('// unsuccessful - unknown', () => {
-    mockClient.secure = true;
-    return cmdFn({command: {arg: 'QQ'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
-});
+    mockClient.secure = true
+    return cmdFn({ command: { arg: 'QQ' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
+})

test/commands/registration/pwd.spec.js

@@ -1,75 +1,74 @@
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'PWD';
+const CMD = 'PWD'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
   const mockClient = {
     reply: () => {},
-    fs: {currentDirectory: () => {}}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+    fs: { currentDirectory: () => {} }
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-    sandbox.stub(mockClient.fs, 'currentDirectory').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+    sandbox.stub(mockClient.fs, 'currentDirectory').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   describe('// check', function () {
     it('fails on no fs', () => {
-      const badMockClient = {reply: () => {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(550);
-      });
-    });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(550)
+      })
+    })
 
     it('fails on no fs currentDirectory command', () => {
-      const badMockClient = {reply: () => {}, fs: {}};
-      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(badMockClient);
-      sandbox.stub(badMockClient, 'reply').resolves();
+      const badMockClient = { reply: () => {}, fs: {} }
+      const badCmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(
+        badMockClient
+      )
+      sandbox.stub(badMockClient, 'reply').resolves()
 
-      return badCmdFn()
-      .then(() => {
-        expect(badMockClient.reply.args[0][0]).to.equal(402);
-      });
-    });
-  });
+      return badCmdFn().then(() => {
+        expect(badMockClient.reply.args[0][0]).to.equal(402)
+      })
+    })
+  })
 
   it('// successful', () => {
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(257);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(257)
+    })
+  })
 
   it('// successful', () => {
-    mockClient.fs.currentDirectory.restore();
-    sandbox.stub(mockClient.fs, 'currentDirectory').resolves('/test');
+    mockClient.fs.currentDirectory.restore()
+    sandbox.stub(mockClient.fs, 'currentDirectory').resolves('/test')
 
-    return cmdFn({log, command: {arg: 'test', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(257);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(257)
+    })
+  })
 
   it('// unsuccessful', () => {
-    mockClient.fs.currentDirectory.restore();
-    sandbox.stub(mockClient.fs, 'currentDirectory').rejects(new Error('Bad'));
+    mockClient.fs.currentDirectory.restore()
+    sandbox.stub(mockClient.fs, 'currentDirectory').rejects(new Error('Bad'))
 
-    return cmdFn({log, command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
+})

test/commands/registration/quit.spec.js

@@ -1,27 +1,26 @@
-const {expect} = require('chai');
-const sinon = require('sinon');
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'QUIT';
+const CMD = 'QUIT'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     close: () => {}
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'close').resolves();
-  });
+    sandbox.stub(mockClient, 'close').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.close.callCount).to.equal(1);
-    });
-  });
-});
+    return cmdFn().then(() => {
+      expect(mockClient.close.callCount).to.equal(1)
+    })
+  })
+})

test/commands/registration/rest.spec.js

@@ -1,58 +1,53 @@
-const {expect} = require('chai');
-const sinon = require('sinon');
-const Promise = require('bluebird');
+const { expect } = require('chai')
+const sinon = require('sinon')
+const Promise = require('bluebird')
 
-const CMD = 'REST';
+const CMD = 'REST'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('-1 // unsuccessful', () => {
-    return cmdFn({command: {arg: '-1', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn({ command: { arg: '-1', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('bad // unsuccessful', () => {
-    return cmdFn({command: {arg: 'bad', directive: CMD}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-    });
-  });
+    return cmdFn({ command: { arg: 'bad', directive: CMD } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+    })
+  })
 
   it('1 // successful', () => {
-    return cmdFn({command: {arg: '1', directive: CMD}})
-    .then(() => {
-      expect(mockClient.restByteCount).to.equal(1);
-      expect(mockClient.reply.args[0][0]).to.equal(350);
-    });
-  });
+    return cmdFn({ command: { arg: '1', directive: CMD } }).then(() => {
+      expect(mockClient.restByteCount).to.equal(1)
+      expect(mockClient.reply.args[0][0]).to.equal(350)
+    })
+  })
 
   it('0 // successful', () => {
-    return cmdFn({command: {arg: '0', directive: CMD}})
-    .then(() => {
-      expect(mockClient.restByteCount).to.equal(0);
-      expect(mockClient.reply.args[0][0]).to.equal(350);
-    });
-  });
-});
+    return cmdFn({ command: { arg: '0', directive: CMD } }).then(() => {
+      expect(mockClient.restByteCount).to.equal(0)
+      expect(mockClient.reply.args[0][0]).to.equal(350)
+    })
+  })
+})

test/commands/registration/retr.spec.js

@@ -1,14 +1,14 @@
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
-const EventEmitter = require('events');
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
+const EventEmitter = require('events')
 
-const CMD = 'RETR';
+const CMD = 'RETR'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
-  let emitter;
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
+  let emitter
   const mockClient = {
     commandSocket: {
       pause: () => {},
@@ -16,84 +16,79 @@ describe(CMD, function () {
     },
     reply: () => Promise.resolve(),
     connector: {
-      waitForConnection: () => Promise.resolve({
-        resume: () => {}
-      }),
+      waitForConnection: () =>
+        Promise.resolve({
+          resume: () => {}
+        }),
       end: () => Promise.resolve({})
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
       read: () => {}
-    };
+    }
 
-    emitter = new EventEmitter();
-    mockClient.emit = emitter.emit.bind(emitter);
-    mockClient.on = emitter.on.bind(emitter);
-    mockClient.once = emitter.once.bind(emitter);
+    emitter = new EventEmitter()
+    mockClient.emit = emitter.emit.bind(emitter)
+    mockClient.on = emitter.on.bind(emitter)
+    mockClient.once = emitter.once.bind(emitter)
 
-    sandbox.spy(mockClient, 'reply');
-  });
-  afterEach(() => sandbox.restore());
+    sandbox.spy(mockClient, 'reply')
+  })
+  afterEach(() => sandbox.restore())
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('// unsuccessful | connector times out', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Promise.TimeoutError());
-    });
+      return Promise.reject(new Promise.TimeoutError())
+    })
 
-
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(425);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(425)
+    })
+  })
 
   it('// unsuccessful | connector errors out', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Error('test'));
-    });
+      return Promise.reject(new Error('test'))
+    })
 
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(551);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(551)
+    })
+  })
 
   it('// unsuccessful | emits error event', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Error('test'));
-    });
+      return Promise.reject(new Error('test'))
+    })
 
-    let errorEmitted = false;
+    let errorEmitted = false
     emitter.once('RETR', (err) => {
-      errorEmitted = !!err;
-    });
+      errorEmitted = !!err
+    })
 
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(errorEmitted).to.equal(true);
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(errorEmitted).to.equal(true)
+    })
+  })
+})

test/commands/registration/rnfr.spec.js

@@ -1,62 +1,58 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'RNFR';
+const CMD = 'RNFR'
 describe(CMD, function () {
-  let sandbox;
-  const mockLog = {error: () => {}};
-  const mockClient = {reply: () => Promise.resolve()};
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  let sandbox
+  const mockLog = { error: () => {} }
+  const mockClient = { reply: () => Promise.resolve() }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    mockClient.renameFrom = 'test';
+    mockClient.renameFrom = 'test'
     mockClient.fs = {
       get: () => Promise.resolve()
-    };
+    }
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.fs, 'get');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.fs, 'get')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('test // unsuccessful | file get fails', () => {
-    mockClient.fs.get.restore();
-    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'));
+    mockClient.fs.get.restore()
+    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'))
 
-    return cmdFn({log: mockLog, command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('test // successful', () => {
-    return cmdFn({log: mockLog, command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.fs.get.args[0][0]).to.equal('test');
-      expect(mockClient.reply.args[0][0]).to.equal(350);
-    });
-  });
-});
+    return cmdFn({ log: mockLog, command: { arg: 'test' } }).then(() => {
+      expect(mockClient.fs.get.args[0][0]).to.equal('test')
+      expect(mockClient.reply.args[0][0]).to.equal(350)
+    })
+  })
+})

test/commands/registration/rnto.spec.js

@@ -1,77 +1,72 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
-const EventEmitter = require('events');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
+const EventEmitter = require('events')
 
-const CMD = 'RNTO';
+const CMD = 'RNTO'
 describe(CMD, function () {
-  let sandbox;
-  const mockLog = {error: () => {}};
-  let emitter;
-  const mockClient = {reply: () => Promise.resolve()};
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  let sandbox
+  const mockLog = { error: () => {} }
+  let emitter
+  const mockClient = { reply: () => Promise.resolve() }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    mockClient.renameFrom = 'test';
+    mockClient.renameFrom = 'test'
     mockClient.fs = {
       get: () => Promise.resolve(),
       rename: () => Promise.resolve()
-    };
+    }
 
-    emitter = new EventEmitter();
-    mockClient.emit = emitter.emit.bind(emitter);
+    emitter = new EventEmitter()
+    mockClient.emit = emitter.emit.bind(emitter)
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.fs, 'rename');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.fs, 'rename')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no renameFrom set', () => {
-    delete mockClient.renameFrom;
+    delete mockClient.renameFrom
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(503);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(503)
+    })
+  })
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('new // unsuccessful | rename fails', () => {
-    mockClient.fs.rename.restore();
-    sandbox.stub(mockClient.fs, 'rename').rejects(new Error('test'));
+    mockClient.fs.rename.restore()
+    sandbox.stub(mockClient.fs, 'rename').rejects(new Error('test'))
 
-    return cmdFn({log: mockLog, command: {arg: 'new'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'new' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('new // successful', () => {
-    return cmdFn({command: {arg: 'new'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(250);
-      expect(mockClient.fs.rename.args[0]).to.eql(['test', 'new']);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'new' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(250)
+      expect(mockClient.fs.rename.args[0]).to.eql(['test', 'new'])
+    })
+  })
+})

test/commands/registration/site/chmod.spec.js

@@ -1,69 +1,69 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'CHMOD';
+const CMD = 'CHMOD'
 describe(CMD, function () {
-  let sandbox;
-  const mockLog = {error: () => {}};
-  const mockClient = {reply: () => Promise.resolve()};
-  const cmdFn = require(`../../../../src/commands/registration/site/${CMD.toLowerCase()}`).bind(mockClient);
+  let sandbox
+  const mockLog = { error: () => {} }
+  const mockClient = { reply: () => Promise.resolve() }
+  const cmdFn = require(`../../../../src/commands/registration/site/${CMD.toLowerCase()}`).bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
       chmod: () => Promise.resolve()
-    };
+    }
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.fs, 'chmod');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.fs, 'chmod')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no file system', (done) => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
     cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-      done();
-    })
-    .catch(done);
-  });
+      .then(() => {
+        expect(mockClient.reply.args[0][0]).to.equal(550)
+        done()
+      })
+      .catch(done)
+  })
 
   it('// unsuccessful | file system does not have functions', (done) => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
     cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-      done();
-    })
-    .catch(done);
-  });
+      .then(() => {
+        expect(mockClient.reply.args[0][0]).to.equal(402)
+        done()
+      })
+      .catch(done)
+  })
 
   it('777 test // unsuccessful | file chmod fails', (done) => {
-    mockClient.fs.chmod.restore();
-    sandbox.stub(mockClient.fs, 'chmod').rejects(new Error('test'));
+    mockClient.fs.chmod.restore()
+    sandbox.stub(mockClient.fs, 'chmod').rejects(new Error('test'))
 
-    cmdFn({log: mockLog, command: {arg: '777 test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(500);
-      done();
-    })
-    .catch(done);
-  });
+    cmdFn({ log: mockLog, command: { arg: '777 test' } })
+      .then(() => {
+        expect(mockClient.reply.args[0][0]).to.equal(500)
+        done()
+      })
+      .catch(done)
+  })
 
   it('777 test // successful', (done) => {
-    cmdFn({log: mockLog, command: {arg: '777 test'}})
-    .then(() => {
-      expect(mockClient.fs.chmod.args[0]).to.eql(['test', 511]);
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      done();
-    })
-    .catch(done);
-  });
-});
+    cmdFn({ log: mockLog, command: { arg: '777 test' } })
+      .then(() => {
+        expect(mockClient.fs.chmod.args[0]).to.eql(['test', 511])
+        expect(mockClient.reply.args[0][0]).to.equal(200)
+        done()
+      })
+      .catch(done)
+  })
+})

test/commands/registration/site/site.spec.js

@@ -1,52 +1,49 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
-const bunyan = require('bunyan');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
+const bunyan = require('bunyan')
 
-const siteRegistry = require('../../../../src/commands/registration/site/registry');
-const FtpCommands = require('../../../../src/commands');
+const siteRegistry = require('../../../../src/commands/registration/site/registry')
+const FtpCommands = require('../../../../src/commands')
 
-const CMD = 'SITE';
+const CMD = 'SITE'
 describe(CMD, function () {
-  let sandbox;
-  const log = bunyan.createLogger({name: 'site-test'});
+  let sandbox
+  const log = bunyan.createLogger({ name: 'site-test' })
   const mockClient = {
     reply: () => Promise.resolve(),
     commands: new FtpCommands()
-  };
-  const cmdFn = require(`../../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.stub(mockClient, 'reply').resolves();
-  });
+    sandbox.stub(mockClient, 'reply').resolves()
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn({log})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(502);
-    });
-  });
+    return cmdFn({ log }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(502)
+    })
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn({log, command: {arg: 'BAD'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(502);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'BAD' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(502)
+    })
+  })
 
   it('// successful', () => {
-    sandbox.stub(siteRegistry.CHMOD, 'handler').resolves();
+    sandbox.stub(siteRegistry.CHMOD, 'handler').resolves()
 
-    return cmdFn({log, command: {arg: 'CHMOD test'}})
-    .then(() => {
-      const {command} = siteRegistry.CHMOD.handler.args[0][0];
-      expect(command.directive).to.equal('CHMOD');
-      expect(command.arg).to.equal('test');
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'CHMOD test' } }).then(() => {
+      const { command } = siteRegistry.CHMOD.handler.args[0][0]
+      expect(command.directive).to.equal('CHMOD')
+      expect(command.arg).to.equal('test')
+    })
+  })
+})

test/commands/registration/size.spec.js

@@ -1,58 +1,54 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'SIZE';
+const CMD = 'SIZE'
 describe(CMD, function () {
-  let sandbox;
-  const mockLog = {error: () => {}};
-  const mockClient = {reply: () => Promise.resolve()};
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  let sandbox
+  const mockLog = { error: () => {} }
+  const mockClient = { reply: () => Promise.resolve() }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
-      get: () => Promise.resolve({size: 1})
-    };
+      get: () => Promise.resolve({ size: 1 })
+    }
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('// unsuccessful | file get fails', () => {
-    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'));
+    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'))
 
-    return cmdFn({log: mockLog, command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// successful', () => {
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(213);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(213)
+    })
+  })
+})

test/commands/registration/stat.spec.js

@@ -1,61 +1,57 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'STAT';
+const CMD = 'STAT'
 describe(CMD, function () {
-  let sandbox;
-  const mockLog = {error: () => {}};
-  const mockClient = {reply: () => Promise.resolve()};
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  let sandbox
+  const mockLog = { error: () => {} }
+  const mockClient = { reply: () => Promise.resolve() }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
       get: () => Promise.resolve({}),
       list: () => Promise.resolve([])
-    };
+    }
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(211);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(211)
+    })
+  })
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('// unsuccessful | file get fails', () => {
-    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'));
+    sandbox.stub(mockClient.fs, 'get').rejects(new Error('test'))
 
-    return cmdFn({log: mockLog, command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(450);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(450)
+    })
+  })
 
   it('// successful | file', () => {
     sandbox.stub(mockClient.fs, 'get').returns({
@@ -75,33 +71,34 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => false
-    });
+    })
 
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(212);
-    });
-  });
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(212)
+    })
+  })
 
   it('// successful | directory', () => {
-    sandbox.stub(mockClient.fs, 'list').returns([{
-      name: 'test_file',
-      dev: 2114,
-      ino: 48064969,
-      mode: 33188,
-      nlink: 1,
-      uid: 85,
-      gid: 100,
-      rdev: 0,
-      size: 527,
-      blksize: 4096,
-      blocks: 8,
-      atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
-      isDirectory: () => false
-    }]);
+    sandbox.stub(mockClient.fs, 'list').returns([
+      {
+        name: 'test_file',
+        dev: 2114,
+        ino: 48064969,
+        mode: 33188,
+        nlink: 1,
+        uid: 85,
+        gid: 100,
+        rdev: 0,
+        size: 527,
+        blksize: 4096,
+        blocks: 8,
+        atime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        mtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
+        isDirectory: () => false
+      }
+    ])
 
     sandbox.stub(mockClient.fs, 'get').returns({
       name: 'test_directory',
@@ -120,11 +117,10 @@ describe(CMD, function () {
       ctime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       birthtime: 'Mon, 10 Oct 2011 23:24:11 GMT',
       isDirectory: () => true
-    });
+    })
 
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(213);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(213)
+    })
+  })
+})

test/commands/registration/stor.spec.js

@@ -1,14 +1,14 @@
-const Promise = require('bluebird');
-const bunyan = require('bunyan');
-const {expect} = require('chai');
-const sinon = require('sinon');
-const EventEmitter = require('events');
+const Promise = require('bluebird')
+const bunyan = require('bunyan')
+const { expect } = require('chai')
+const sinon = require('sinon')
+const EventEmitter = require('events')
 
-const CMD = 'STOR';
+const CMD = 'STOR'
 describe(CMD, function () {
-  let sandbox;
-  let log = bunyan.createLogger({name: CMD});
-  let emitter;
+  let sandbox
+  let log = bunyan.createLogger({ name: CMD })
+  let emitter
   const mockClient = {
     commandSocket: {
       pause: () => {},
@@ -16,83 +16,79 @@ describe(CMD, function () {
     },
     reply: () => Promise.resolve(),
     connector: {
-      waitForConnection: () => Promise.resolve({
-        resume: () => {}
-      }),
+      waitForConnection: () =>
+        Promise.resolve({
+          resume: () => {}
+        }),
       end: () => Promise.resolve({})
     }
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
       write: () => {}
-    };
+    }
 
-    emitter = new EventEmitter();
-    mockClient.emit = emitter.emit.bind(emitter);
-    mockClient.on = emitter.on.bind(emitter);
-    mockClient.once = emitter.once.bind(emitter);
+    emitter = new EventEmitter()
+    mockClient.emit = emitter.emit.bind(emitter)
+    mockClient.on = emitter.on.bind(emitter)
+    mockClient.once = emitter.once.bind(emitter)
 
-    sandbox.spy(mockClient, 'reply');
-  });
-  afterEach(() => sandbox.restore());
+    sandbox.spy(mockClient, 'reply')
+  })
+  afterEach(() => sandbox.restore())
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('// unsuccessful | connector times out', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Promise.TimeoutError());
-    });
+      return Promise.reject(new Promise.TimeoutError())
+    })
 
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(425);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(425)
+    })
+  })
 
   it('// unsuccessful | connector errors out', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Error('test'));
-    });
+      return Promise.reject(new Error('test'))
+    })
 
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | emits error event', () => {
     sandbox.stub(mockClient.connector, 'waitForConnection').callsFake(function () {
-      return Promise.reject(new Error('test'));
-    });
+      return Promise.reject(new Error('test'))
+    })
 
-    let errorEmitted = false;
+    let errorEmitted = false
     emitter.once('STOR', (err) => {
-      errorEmitted = !!err;
-    });
+      errorEmitted = !!err
+    })
 
-    return cmdFn({log, command: {arg: 'test.txt'}})
-    .then(() => {
-      expect(errorEmitted).to.equal(true);
-    });
-  });
-});
+    return cmdFn({ log, command: { arg: 'test.txt' } }).then(() => {
+      expect(errorEmitted).to.equal(true)
+    })
+  })
+})

test/commands/registration/stou.spec.js

@@ -1,75 +1,71 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const stor = require('../../../src/commands/registration/stor');
+const stor = require('../../../src/commands/registration/stor')
 
-const CMD = 'STOU';
+const CMD = 'STOU'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
     mockClient.fs = {
       get: () => Promise.resolve(),
       getUniqueName: () => Promise.resolve('4')
-    };
+    }
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient.fs, 'get');
-    sandbox.spy(mockClient.fs, 'getUniqueName');
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient.fs, 'get')
+    sandbox.spy(mockClient.fs, 'getUniqueName')
 
-    sandbox.stub(stor.handler, 'call').resolves({});
-  });
+    sandbox.stub(stor.handler, 'call').resolves({})
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// unsuccessful | no file system', () => {
-    delete mockClient.fs;
+    delete mockClient.fs
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(550);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(550)
+    })
+  })
 
   it('// unsuccessful | file system does not have functions', () => {
-    mockClient.fs = {};
+    mockClient.fs = {}
 
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(402);
-    });
-  });
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(402)
+    })
+  })
 
   it('// successful | given name is unique', () => {
-    mockClient.fs.get.restore();
-    sandbox.stub(mockClient.fs, 'get').rejects({});
+    mockClient.fs.get.restore()
+    sandbox.stub(mockClient.fs, 'get').rejects({})
 
-    return cmdFn({command: {arg: 'good'}})
-    .then(() => {
-      const call = stor.handler.call.args[0][1];
-      expect(call).to.have.property('command');
-      expect(call.command).to.have.property('arg');
-      expect(call.command.arg).to.eql('good');
-      expect(mockClient.fs.getUniqueName.callCount).to.equal(0);
-    });
-  });
+    return cmdFn({ command: { arg: 'good' } }).then(() => {
+      const call = stor.handler.call.args[0][1]
+      expect(call).to.have.property('command')
+      expect(call.command).to.have.property('arg')
+      expect(call.command.arg).to.eql('good')
+      expect(mockClient.fs.getUniqueName.callCount).to.equal(0)
+    })
+  })
 
   it('// successful | generates unique name', () => {
-    return cmdFn({command: {arg: 'bad'}})
-    .then(() => {
-      const call = stor.handler.call.args[0][1];
-      expect(call).to.have.property('command');
-      expect(call.command).to.have.property('arg');
-      expect(call.command.arg).to.eql('4');
-      expect(mockClient.fs.getUniqueName.callCount).to.equal(1);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'bad' } }).then(() => {
+      const call = stor.handler.call.args[0][1]
+      expect(call).to.have.property('command')
+      expect(call.command).to.have.property('arg')
+      expect(call.command.arg).to.eql('4')
+      expect(mockClient.fs.getUniqueName.callCount).to.equal(1)
+    })
+  })
+})

test/commands/registration/stru.spec.js

@@ -1,35 +1,33 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'STRU';
+const CMD = 'STRU'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn({command: {arg: 'F'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-    });
-  });
+    return cmdFn({ command: { arg: 'F' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+    })
+  })
 
   it('// unsuccessful', () => {
-    return cmdFn({command: {arg: 'X'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(504);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'X' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(504)
+    })
+  })
+})

test/commands/registration/syst.spec.js

@@ -1,28 +1,27 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'SYST';
+const CMD = 'SYST'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    sandbox.spy(mockClient, 'reply');
-  });
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('// successful', () => {
-    return cmdFn()
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(215);
-    });
-  });
-});
+    return cmdFn().then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(215)
+    })
+  })
+})

test/commands/registration/type.spec.js

@@ -1,54 +1,50 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'TYPE';
+const CMD = 'TYPE'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockClient = {
     reply: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    mockClient.transferType = null;
-    sandbox.spy(mockClient, 'reply');
-  });
+    mockClient.transferType = null
+    sandbox.spy(mockClient, 'reply')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('A // successful', () => {
-    return cmdFn({command: {arg: 'A'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(mockClient.transferType).to.equal('ascii');
-    });
-  });
+    return cmdFn({ command: { arg: 'A' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(mockClient.transferType).to.equal('ascii')
+    })
+  })
 
   it('I // successful', () => {
-    return cmdFn({command: {arg: 'I'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(mockClient.transferType).to.equal('binary');
-    });
-  });
+    return cmdFn({ command: { arg: 'I' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(mockClient.transferType).to.equal('binary')
+    })
+  })
 
   it('L // successful', () => {
-    return cmdFn({command: {arg: 'L'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(200);
-      expect(mockClient.transferType).to.equal('binary');
-    });
-  });
+    return cmdFn({ command: { arg: 'L' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(200)
+      expect(mockClient.transferType).to.equal('binary')
+    })
+  })
 
   it('X // successful', () => {
-    return cmdFn({command: {arg: 'X'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-      expect(mockClient.transferType).to.equal(null);
-    });
-  });
-});
+    return cmdFn({ command: { arg: 'X' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+      expect(mockClient.transferType).to.equal(null)
+    })
+  })
+})

test/commands/registration/user.spec.js

@@ -1,107 +1,99 @@
-const Promise = require('bluebird');
-const {expect} = require('chai');
-const sinon = require('sinon');
+const Promise = require('bluebird')
+const { expect } = require('chai')
+const sinon = require('sinon')
 
-const CMD = 'USER';
+const CMD = 'USER'
 describe(CMD, function () {
-  let sandbox;
+  let sandbox
   const mockLog = {
     error: () => {}
-  };
+  }
   const mockClient = {
     reply: () => Promise.resolve(),
-    server: {options: {}},
+    server: { options: {} },
     login: () => Promise.resolve()
-  };
-  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient);
+  }
+  const cmdFn = require(`../../../src/commands/registration/${CMD.toLowerCase()}`).handler.bind(mockClient)
 
   beforeEach(() => {
-    sandbox = sinon.sandbox.create().usingPromise(Promise);
+    sandbox = sinon.sandbox.create().usingPromise(Promise)
 
-    delete mockClient.username;
-    mockClient.server.options = {};
+    delete mockClient.username
+    mockClient.server.options = {}
 
-    sandbox.spy(mockClient, 'reply');
-    sandbox.spy(mockClient, 'login');
-  });
+    sandbox.spy(mockClient, 'reply')
+    sandbox.spy(mockClient, 'login')
+  })
   afterEach(() => {
-    sandbox.restore();
-  });
+    sandbox.restore()
+  })
 
   it('test // successful | prompt for password', () => {
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(331);
-    });
-  });
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(331)
+    })
+  })
 
   it('test // successful | anonymous login', () => {
-    mockClient.server.options = {anonymous: true};
+    mockClient.server.options = { anonymous: true }
 
-    return cmdFn({command: {arg: 'anonymous'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(230);
-      expect(mockClient.login.callCount).to.equal(1);
-    });
-  });
+    return cmdFn({ command: { arg: 'anonymous' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(230)
+      expect(mockClient.login.callCount).to.equal(1)
+    })
+  })
 
   it('test // unsuccessful | no username provided', () => {
-    return cmdFn({command: { }})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(501);
-      expect(mockClient.login.callCount).to.equal(0);
-    });
-  });
+    return cmdFn({ command: {} }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(501)
+      expect(mockClient.login.callCount).to.equal(0)
+    })
+  })
 
   it('test // unsuccessful | already set username', () => {
-    mockClient.username = 'test';
+    mockClient.username = 'test'
 
-    return cmdFn({command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(530);
-      expect(mockClient.login.callCount).to.equal(0);
-    });
-  });
+    return cmdFn({ command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(530)
+      expect(mockClient.login.callCount).to.equal(0)
+    })
+  })
 
   it('test // successful | regular login if anonymous is true', () => {
-    mockClient.server.options = {anonymous: true};
+    mockClient.server.options = { anonymous: true }
 
-    return cmdFn({log: mockLog, command: {arg: 'test'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(331);
-      expect(mockClient.login.callCount).to.equal(0);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'test' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(331)
+      expect(mockClient.login.callCount).to.equal(0)
+    })
+  })
 
   it('test // successful | anonymous login with set username', () => {
-    mockClient.server.options = {anonymous: 'sillyrabbit'};
+    mockClient.server.options = { anonymous: 'sillyrabbit' }
 
-    return cmdFn({log: mockLog, command: {arg: 'sillyrabbit'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(230);
-      expect(mockClient.login.callCount).to.equal(1);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'sillyrabbit' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(230)
+      expect(mockClient.login.callCount).to.equal(1)
+    })
+  })
 
   it('test // unsuccessful | anonymous login fails', () => {
-    mockClient.server.options = {anonymous: true};
-    mockClient.login.restore();
-    sandbox.stub(mockClient, 'login').rejects(new Error('test'));
+    mockClient.server.options = { anonymous: true }
+    mockClient.login.restore()
+    sandbox.stub(mockClient, 'login').rejects(new Error('test'))
 
-    return cmdFn({log: mockLog, command: {arg: 'anonymous'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(530);
-      expect(mockClient.login.callCount).to.equal(1);
-    });
-  });
+    return cmdFn({ log: mockLog, command: { arg: 'anonymous' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(530)
+      expect(mockClient.login.callCount).to.equal(1)
+    })
+  })
 
   it('test // successful | does not login if already authenticated', () => {
-    mockClient.authenticated = true;
+    mockClient.authenticated = true
 
-    return cmdFn({log: mockLog, command: {arg: 'sillyrabbit'}})
-    .then(() => {
-      expect(mockClient.reply.args[0][0]).to.equal(230);
-      expect(mockClient.login.callCount).to.equal(0);
-    });
-  });
-});
+    return cmdFn({ log: mockLog, command: { arg: 'sillyrabbit' } }).then(() => {
+      expect(mockClient.reply.args[0][0]).to.equal(230)
+      expect(mockClient.login.callCount).to.equal(0)
+    })
+  })
+})