diff --git a/common/btoa.js b/common/btoa.js
index bf26630b..6cc9fbaf 100644
--- a/common/btoa.js
+++ b/common/btoa.js
@@ -1,6 +1,4 @@
-'use strict';
-
-module.exports = (str) => {
+export default (str) => {
     if (typeof btoa === 'function')
         return btoa(str);
     
diff --git a/common/callbackify.js b/common/callbackify.js
index f661eed7..4b1cf3ed 100644
--- a/common/callbackify.js
+++ b/common/callbackify.js
@@ -1,8 +1,6 @@
-'use strict';
-
 const success = (f) => (data) => f(null, data);
 
-module.exports = (promise) => {
+export default (promise) => {
     return (...a) => {
         const fn = a.pop();
         
diff --git a/common/callbackify.spec.js b/common/callbackify.spec.js
index 0b7f6d8c..f8ec81ff 100644
--- a/common/callbackify.spec.js
+++ b/common/callbackify.spec.js
@@ -1,7 +1,5 @@
-'use strict';
-
-const test = require('supertape');
-const callbackify = require('./callbackify');
+import test from 'supertape';
+import callbackify from './callbackify.js';
 
 test('cloudcmd: common: callbackify: error', (t) => {
     const promise = async () => {
diff --git a/common/cloudfunc.js b/common/cloudfunc.js
index 81124e2a..4d357ddc 100644
--- a/common/cloudfunc.js
+++ b/common/cloudfunc.js
@@ -1,30 +1,22 @@
-'use strict';
-
-const rendy = require('rendy');
-const currify = require('currify');
-const store = require('fullstore');
-const {encode} = require('./entity');
-const btoa = require('./btoa');
-
-const getHeaderField = currify(_getHeaderField);
+import rendy from 'rendy';
+import currify from 'currify';
+import store from 'fullstore';
+import {encode} from './entity.js';
+import btoa from './btoa.js';
 
 /* КОНСТАНТЫ (общие для клиента и сервера)*/
 
 /* название программы */
 const NAME = 'Cloud Commander';
-const FS = '/fs';
+export const FS = '/fs';
 const Path = store();
 
 Path('/');
 
-module.exports.FS = FS;
-module.exports.apiURL = '/api/v1';
-module.exports.MAX_FILE_SIZE = 500 * 1024;
-module.exports.getHeaderField = getHeaderField;
-module.exports.getPathLink = getPathLink;
-module.exports.getDotDot = getDotDot;
+export const apiURL = '/api/v1';
+export const MAX_FILE_SIZE = 500 * 1024;
 
-module.exports.formatMsg = (msg, name, status) => {
+export const formatMsg = (msg, name, status) => {
     status = status || 'ok';
     name = name || '';
     
@@ -38,7 +30,7 @@ module.exports.formatMsg = (msg, name, status) => {
  * Функция возвращает заголовок веб страницы
  * @path
  */
-module.exports.getTitle = (options) => {
+export const getTitle = (options) => {
     options = options || {};
     
     const {
@@ -60,6 +52,10 @@ module.exports.getTitle = (options) => {
  * возвращаеться массив каталогов
  * @param url -  адрес каталога
  */
+export /** Функция получает адреса каждого каталога в пути
+ * возвращаеться массив каталогов
+ * @param url -  адрес каталога
+ */
 function getPathLink(url, prefix, template) {
     if (!url)
         throw Error('url could not be empty!');
@@ -108,7 +104,7 @@ const getDataName = (name) => {
  * @param params - информация о файлах
  *
  */
-module.exports.buildFromJSON = (params) => {
+export const buildFromJSON = (params) => {
     const {
         prefix,
         template,
@@ -248,7 +244,7 @@ function getAttribute(type) {
     return 'target="_blank" ';
 }
 
-module.exports._getSize = getSize;
+export const _getSize = getSize;
 function getSize(file) {
     const {
         size,
@@ -264,7 +260,7 @@ function getSize(file) {
     return size;
 }
 
-function _getHeaderField(sort, order, name) {
+export const getHeaderField = currify((sort, order, name) => {
     const arrow = order === 'asc' ? '↑' : '↓';
     
     if (sort !== name)
@@ -274,9 +270,9 @@ function _getHeaderField(sort, order, name) {
         return name;
     
     return `${name}${arrow}`;
-}
+});
 
-function getDotDot(path) {
+export function getDotDot(path) {
     // убираем последний слеш и каталог в котором мы сейчас находимся
     const lastSlash = path.substr(path, path.lastIndexOf('/'));
     const dotDot = lastSlash.substr(lastSlash, lastSlash.lastIndexOf('/'));
diff --git a/common/cloudfunc.spec.js b/common/cloudfunc.spec.js
index 217d9ca5..45f48c02 100644
--- a/common/cloudfunc.spec.js
+++ b/common/cloudfunc.spec.js
@@ -1,7 +1,5 @@
-'use strict';
-
-const test = require('supertape');
-const {_getSize} = require('./cloudfunc');
+import test from 'supertape';
+import {_getSize} from './cloudfunc.js';
 
 test('cloudfunc: getSize: dir', (t) => {
     const type = 'directory';
diff --git a/common/datetime.js b/common/datetime.js
index 131c27fb..d7982ab4 100644
--- a/common/datetime.js
+++ b/common/datetime.js
@@ -1,8 +1,6 @@
-'use strict';
+import shortdate from 'shortdate';
 
-const shortdate = require('shortdate');
-
-module.exports = (date) => {
+export default (date) => {
     date = date || new Date();
     check(date);
     
diff --git a/common/datetime.spec.js b/common/datetime.spec.js
index cc2aed16..2bfecefa 100644
--- a/common/datetime.spec.js
+++ b/common/datetime.spec.js
@@ -1,9 +1,7 @@
-'use strict';
+import test from 'supertape';
+import tryCatch from 'try-catch';
 
-const test = require('supertape');
-const tryCatch = require('try-catch');
-
-const datetime = require('./datetime');
+import datetime from './datetime.js';
 
 test('common: datetime', (t) => {
     const dateStr = 'Fri, 17 Aug 2018 10:56:48';
diff --git a/common/entity.js b/common/entity.js
index bad8ef77..ba8de2af 100644
--- a/common/entity.js
+++ b/common/entity.js
@@ -1,5 +1,3 @@
-'use strict';
-
 const Entities = {
     ' ': ' ',
     '&lt;': '<',
@@ -9,7 +7,7 @@ const Entities = {
 
 const keys = Object.keys(Entities);
 
-module.exports.encode = (str) => {
+export const encode = (str) => {
     for (const code of keys) {
         const char = Entities[code];
         const reg = RegExp(char, 'g');
@@ -20,7 +18,7 @@ module.exports.encode = (str) => {
     return str;
 };
 
-module.exports.decode = (str) => {
+export const decode = (str) => {
     for (const code of keys) {
         const char = Entities[code];
         const reg = RegExp(code, 'g');
diff --git a/common/try-to-promise-all.js b/common/try-to-promise-all.js
index c8a54eab..7c5328df 100644
--- a/common/try-to-promise-all.js
+++ b/common/try-to-promise-all.js
@@ -1,9 +1,7 @@
-'use strict';
-
-const tryToCatch = require('try-to-catch');
+import tryToCatch from 'try-to-catch';
 const all = Promise.all.bind(Promise);
 
-module.exports = async (a) => {
+export default async (a) => {
     const [e, result = []] = await tryToCatch(all, a);
     
     return [
diff --git a/common/try-to-promise-all.spec.js b/common/try-to-promise-all.spec.js
index 628bc931..bf35b3c0 100644
--- a/common/try-to-promise-all.spec.js
+++ b/common/try-to-promise-all.spec.js
@@ -1,7 +1,5 @@
-'use strict';
-
-const test = require('supertape');
-const tryToPromiseAll = require('./try-to-promise-all');
+import test from 'supertape';
+import tryToPromiseAll from './try-to-promise-all.js';
 
 const resolve = Promise.resolve.bind(Promise);
 const reject = Promise.reject.bind(Promise);
diff --git a/common/util.js b/common/util.js
index 8551b1ef..35cff594 100644
--- a/common/util.js
+++ b/common/util.js
@@ -1,8 +1,10 @@
-'use strict';
+import exec from 'execon';
 
-const exec = require('execon');
+export {
+    exec,
+};
 
-module.exports.escapeRegExp = (str) => {
+export const escapeRegExp = (str) => {
     const isStr = typeof str === 'string';
     
     if (isStr)
@@ -14,7 +16,7 @@ module.exports.escapeRegExp = (str) => {
 /**
  * get regexp from wild card
  */
-module.exports.getRegExp = (wildcard) => {
+export const getRegExp = (wildcard) => {
     const escaped = '^' + wildcard // search from start of line
         .replace(/\./g, '\\.')
         .replace(/\*/g, '.*')
@@ -23,15 +25,13 @@ module.exports.getRegExp = (wildcard) => {
     return RegExp(escaped);
 };
 
-module.exports.exec = exec;
-
 /**
  * function gets file extension
  *
  * @param name
  * @return ext
  */
-module.exports.getExt = (name) => {
+export const getExt = (name) => {
     const isStr = typeof name === 'string';
     
     if (!isStr)
@@ -51,7 +51,7 @@ module.exports.getExt = (name) => {
  * @param array
  * @param name
  */
-module.exports.findObjByNameInArr = (array, name) => {
+export const findObjByNameInArr = (array, name) => {
     let ret;
     
     if (!Array.isArray(array))
@@ -89,7 +89,7 @@ module.exports.findObjByNameInArr = (array, name) => {
  * start timer
  * @param name
  */
-module.exports.time = (name) => {
+export const time = (name) => {
     exec.ifExist(console, 'time', [name]);
 };
 
@@ -97,7 +97,7 @@ module.exports.time = (name) => {
  * stop timer
  * @param name
  */
-module.exports.timeEnd = (name) => {
+export const timeEnd = (name) => {
     exec.ifExist(console, 'timeEnd', [name]);
 };
 
diff --git a/common/util.spec.js b/common/util.spec.js
index cb84f18d..4f7cea11 100644
--- a/common/util.spec.js
+++ b/common/util.spec.js
@@ -1,9 +1,6 @@
-'use strict';
-
-const test = require('supertape');
-const {reRequire} = require('mock-require');
-const tryCatch = require('try-catch');
-const Util = require('./util');
+import test from 'supertape';
+import tryCatch from 'try-catch';
+import * as Util from './util.js';
 
 const {
     findObjByNameInArr,
@@ -122,15 +119,3 @@ test('util: escapeRegExp', (t) => {
     t.end();
 });
 
-test('util: scope', (t) => {
-    global.window = {};
-    
-    reRequire('./util');
-    
-    t.pass('should set window in scope');
-    
-    delete global.window;
-    
-    t.end();
-});
-