diff --git a/package-lock.json b/package-lock.json
index 28258b9..1523df5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -765,6 +765,11 @@
       "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.2.7.tgz",
       "integrity": "sha512-rzOhiQ55WzAiFgXRtitP/ZUT8iVNyllEpylJ5zHzR4vArUvMB39GTk+Zon/uAM0JxEFAWnwsxC2gH8s+tZ3Myg=="
     },
+    "@types/node": {
+      "version": "11.9.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-11.9.0.tgz",
+      "integrity": "sha512-ry4DOrC+xenhQbzk1iIPzCZGhhPGEFv7ia7Iu6XXSLVluiJIe9FfG7Iu3mObH9mpxEXCWLCMU4JWbCCR9Oy1Zg=="
+    },
     "@types/prop-types": {
       "version": "15.5.8",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.5.8.tgz",
diff --git a/package.json b/package.json
index 42a0652..080f0b1 100644
--- a/package.json
+++ b/package.json
@@ -52,9 +52,9 @@
   },
   "dependencies": {
     "@types/classnames": "^2.2.7",
+    "@types/node": "^11.9.0",
     "@types/react": "^16.7.20",
     "@types/react-dom": "^16.0.11",
-    "typesafe-actions": "^3.0.0",
     "axios": "^0.18.0",
     "babel-runtime": "^6.26.0",
     "bluebird": "^3.5.3",
@@ -102,6 +102,7 @@
     "styled-theming": "^2.2.0",
     "tt-react-custom-scrollbars": "^4.2.1-tt2",
     "typeface-pt-sans": "0.0.54",
+    "typesafe-actions": "^3.0.0",
     "webpack-git-hash": "^1.0.2"
   },
   "flow-coverage-report": {
diff --git a/src/constants/auth.js b/src/constants/auth.js
deleted file mode 100644
index b56a6f7..0000000
--- a/src/constants/auth.js
+++ /dev/null
@@ -1,21 +0,0 @@
-export const ROLES = {
-  guest: 'guest',
-  vk: 'vk',
-};
-
-export const DEFAULT_USER = {
-  new_messages: 0,
-  place_types: {},
-  random_url: '',
-  role: ROLES.guest,
-  routes: {},
-  success: false,
-  id: null,
-  token: null,
-  userdata: {
-    name: '',
-    agent: '',
-    ip: '',
-    photo: '',
-  }
-};
diff --git a/src/constants/auth.ts b/src/constants/auth.ts
new file mode 100644
index 0000000..c4ed2dc
--- /dev/null
+++ b/src/constants/auth.ts
@@ -0,0 +1,45 @@
+type valueof<T> = T[keyof T]
+
+export interface IRoles {
+  guest: string,
+  vk: string,
+}
+
+export interface IUser {
+  new_messages: number,
+  place_types: {},
+  random_url: string,
+  role: IRoles[keyof IRoles],
+  routes: {},
+  success: boolean,
+  id?: string,
+  token?: string,
+  userdata: {
+    name: string,
+    agent: string,
+    ip: string,
+    photo: string,
+  }
+}
+
+export const ROLES: IRoles = {
+  guest: 'guest',
+  vk: 'vk',
+};
+
+export const DEFAULT_USER: IUser = {
+  new_messages: 0,
+  place_types: {},
+  random_url: '',
+  role: ROLES.guest,
+  routes: {},
+  success: false,
+  id: null,
+  token: null,
+  userdata: {
+    name: '',
+    agent: '',
+    ip: '',
+    photo: '',
+  }
+};
diff --git a/src/constants/dialogs.js b/src/constants/dialogs.js
deleted file mode 100644
index cd12143..0000000
--- a/src/constants/dialogs.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// @flow
-export const DIALOGS = ({
-  NONE: 'NONE',
-  MAP_LIST: 'MAP_LIST',
-  APP_INFO: 'APP_INFO',
-}: { [key: String]: String });
-
-export const TABS = ({
-  mine: 'Мои',
-  all: 'Общие',
-  // starred: 'Выбранные',
-}: { [key: String]: String });
diff --git a/src/constants/dialogs.ts b/src/constants/dialogs.ts
new file mode 100644
index 0000000..5c8fc6b
--- /dev/null
+++ b/src/constants/dialogs.ts
@@ -0,0 +1,21 @@
+export interface IDialogs {
+  NONE: string,
+  MAP_LIST: string,
+  APP_INFO: string,
+}
+
+export interface IMapTabs {
+  mine: string,
+  all: string,
+}
+
+export const DIALOGS: IDialogs = ({
+  NONE: 'NONE',
+  MAP_LIST: 'MAP_LIST',
+  APP_INFO: 'APP_INFO',
+});
+
+export const TABS: IMapTabs = ({
+  mine: 'Мои',
+  all: 'Общие',
+});
diff --git a/src/constants/logos.js b/src/constants/logos.ts
similarity index 90%
rename from src/constants/logos.js
rename to src/constants/logos.ts
index 5e4da7b..4b00bbf 100644
--- a/src/constants/logos.js
+++ b/src/constants/logos.ts
@@ -1,3 +1,7 @@
+export interface ILogos {
+  [x: string]: [string, string, string],
+}
+
 export const LOGOS = {
   default: ['Без лого', null, 'bottom-right'],
   nvs: ['НВС', require('../sprites/logos/lgo.png'), 'bottom-right'],
diff --git a/src/constants/modes.js b/src/constants/modes.ts
similarity index 76%
rename from src/constants/modes.js
rename to src/constants/modes.ts
index d70bb42..70f5588 100644
--- a/src/constants/modes.js
+++ b/src/constants/modes.ts
@@ -1,6 +1,8 @@
-// @flow
+export interface IModes {
+  [x: string]: string,
+}
 
-export const MODES = ({
+export const MODES: IModes = {
   POLY: 'POLY',
   STICKERS: 'STICKERS',
   STICKERS_SELECT: 'STICKERS_SELECT',
@@ -12,6 +14,5 @@ export const MODES = ({
   SAVE: 'SAVE',
   CONFIRM_CANCEL: 'CONFIRM_CANCEL',
   PROVIDER: 'PROVIDER',
-
   SHOT_PREFETCH: 'SHOT_PREFETCH',
-}: { [key: String]: String });
+};
diff --git a/src/constants/providers.js b/src/constants/providers.ts
similarity index 67%
rename from src/constants/providers.js
rename to src/constants/providers.ts
index 4ff9790..b365460 100644
--- a/src/constants/providers.js
+++ b/src/constants/providers.ts
@@ -1,5 +1,24 @@
+export interface IPRovider {
+  name: string,
+  url: string,
+  range: Array<string | number>,
+}
+
+export interface ITileMaps {
+  WATERCOLOR: IPRovider,
+  DGIS: IPRovider,
+  DEFAULT: IPRovider,
+  DARQ: IPRovider,
+  BLANK: IPRovider,
+  HOT: IPRovider,
+  YSAT: IPRovider,
+  YMAP: IPRovider,
+  SAT: IPRovider,
+}
+
+
 // Стили карт
-const TILEMAPS = {
+const TILEMAPS: ITileMaps = {
   WATERCOLOR: {
     name: 'Watercolor',
     url: 'https://stamen-tiles-{s}.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.jpg',
@@ -47,17 +66,19 @@ const TILEMAPS = {
   },
 };
 
-const ENABLED = ['BLANK', 'DEFAULT', 'DGIS', 'HOT'];
+const ENABLED: Array<keyof ITileMaps> = ['BLANK', 'DEFAULT', 'DGIS', 'HOT'];
 
-export const DEFAULT_PROVIDER = ENABLED[0];
-export const PROVIDERS = ENABLED.reduce((obj, provider) => ({
+export const DEFAULT_PROVIDER: keyof ITileMaps = ENABLED[0];
+export const PROVIDERS: Partial<ITileMaps> = ENABLED.reduce((obj, provider) => ({
   ...obj,
   [provider]: TILEMAPS[provider],
 }), {});
 
 export const replaceProviderUrl = (provider, { x, y, zoom }) => {
   const { url, range } = (PROVIDERS[provider] || PROVIDERS[DEFAULT_PROVIDER]);
-  const random = (range && range.length >= 2) ? range[Math.round((Math.random() * (range.length - 1)))] : 1;
+  const random: (number | string) = (range && range.length >= 2)
+    ? range[Math.round((Math.random() * (range.length - 1)))]
+    : 1;
 
-  return url.replace('{x}', x).replace('{y}', y).replace('{z}', zoom).replace('{s}', random);
+  return url.replace('{x}', x).replace('{y}', y).replace('{z}', zoom).replace('{s}', String(random));
 };
diff --git a/src/constants/stickers.js b/src/constants/stickers.ts
similarity index 91%
rename from src/constants/stickers.js
rename to src/constants/stickers.ts
index 28dd5ae..502ee69 100644
--- a/src/constants/stickers.js
+++ b/src/constants/stickers.ts
@@ -1,8 +1,28 @@
 // Стикеры
 // import L from "leaflet";
+export interface ISticker {
+  off: number,
+  title: string,
+  title_long: string,
+}
+
+export interface IStickerPack {
+  title: string,
+  url: string,
+  size: number,
+  layers: {
+    [x: string]: ISticker,
+  }
+}
+
+export interface IStickers {
+  base: IStickerPack,
+  real: IStickerPack,
+  pin: IStickerPack,
+}
 
 // export const stickers = ['green', 'basic', 'green-small'];
-export const STICKERS = {
+export const STICKERS: IStickers = {
   base: {
     title: 'Простые',
     url: require('$sprites/stickers/stickers-base.svg'),
diff --git a/src/redux/store.js b/src/redux/store.ts
similarity index 75%
rename from src/redux/store.js
rename to src/redux/store.ts
index b8b30b6..fbd8a55 100644
--- a/src/redux/store.js
+++ b/src/redux/store.ts
@@ -1,4 +1,4 @@
-import { createStore, applyMiddleware, combineReducers, compose } from 'redux';
+import { createStore, applyMiddleware, combineReducers, compose, Store } from 'redux';
 
 import { persistStore, persistReducer } from 'redux-persist';
 import storage from 'redux-persist/lib/storage';
@@ -8,8 +8,9 @@ import { userReducer } from '$redux/user/reducer';
 import { userSaga } from '$redux/user/sagas';
 import { createBrowserHistory } from 'history';
 import { locationChanged } from '$redux/user/actions';
+import { PersistConfig, Persistor } from "redux-persist/es/types";
 
-const userPersistConfig = {
+const userPersistConfig: PersistConfig = {
   key: 'user',
   whitelist: ['user', 'logo', 'provider', 'speed'],
   storage,
@@ -19,15 +20,11 @@ const userPersistConfig = {
 export const sagaMiddleware = createSagaMiddleware();
 
 // redux extension composer
-/* eslint-disable no-underscore-dangle */
 const composeEnhancers =
   typeof window === 'object' &&
-  window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
-    ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({})
+  (<any>window).__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
+    ? (<any>window).__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({})
     : compose;
-/* eslint-enable no-underscore-dangle */
-
-// export const history = createHistory();
 
 export const store = createStore(
   combineReducers({
@@ -37,7 +34,7 @@ export const store = createStore(
   composeEnhancers(applyMiddleware(/* routerMiddleware(history), */ sagaMiddleware))
 );
 
-export function configureStore() {
+export function configureStore(): { store: Store<any>, persistor: Persistor } {
   sagaMiddleware.run(userSaga);
 
   const persistor = persistStore(store);
diff --git a/src/redux/user/actions.js b/src/redux/user/actions.ts
similarity index 96%
rename from src/redux/user/actions.js
rename to src/redux/user/actions.ts
index acbcf6c..e820f27 100644
--- a/src/redux/user/actions.js
+++ b/src/redux/user/actions.ts
@@ -1,9 +1,9 @@
 import { ACTIONS } from '$redux/user/constants';
+import { IUser } from "$constants/auth";
 
-export const setUser = user => ({ type: ACTIONS.SET_USER, user });
+export const setUser = (user: IUser) => ({ type: ACTIONS.SET_USER, user });
 export const userLogout = () => ({ type: ACTIONS.USER_LOGOUT });
 
-
 export const setEditing = editing => ({ type: ACTIONS.SET_EDITING, editing });
 export const setMode = mode => ({ type: ACTIONS.SET_MODE, mode });
 export const setDistance = distance => ({ type: ACTIONS.SET_DISTANCE, distance });
@@ -61,4 +61,3 @@ export const searchSetLoading = loading => ({ type: ACTIONS.SEARCH_SET_LOADING,
 export const searchPutRoutes = payload => ({ type: ACTIONS.SEARCH_PUT_ROUTES, ...payload });
 
 export const setMarkersShown = markers_shown => ({ type: ACTIONS.SET_MARKERS_SHOWN, markers_shown });
-
diff --git a/src/redux/user/constants.js b/src/redux/user/constants.ts
similarity index 94%
rename from src/redux/user/constants.js
rename to src/redux/user/constants.ts
index 835d78e..7df35e5 100644
--- a/src/redux/user/constants.js
+++ b/src/redux/user/constants.ts
@@ -1,6 +1,8 @@
-// @flow
+export interface IActions {
+  [x: string]: string,
+}
 
-export const ACTIONS = ({
+export const ACTIONS: IActions = {
   SET_USER: 'SET_USER',
   USER_LOGOUT: 'USER_LOGOUT',
 
@@ -65,4 +67,4 @@ export const ACTIONS = ({
   SET_SPEED: 'SET_SPEED',
 
   SET_MARKERS_SHOWN: 'SET_MARKERS_SHOWN',
-}: { [key: String]: String });
+};
diff --git a/src/redux/user/reducer.js b/src/redux/user/reducer.js
deleted file mode 100644
index abee429..0000000
--- a/src/redux/user/reducer.js
+++ /dev/null
@@ -1,256 +0,0 @@
-// @flow
-import { createReducer } from 'reduxsauce';
-import { ACTIONS } from '$redux/user/constants';
-import { DEFAULT_USER } from '$constants/auth';
-import { MODES } from '$constants/modes';
-import { DEFAULT_LOGO } from '$constants/logos';
-import { TIPS } from '$constants/tips';
-import { DEFAULT_PROVIDER } from '$constants/providers';
-import { DIALOGS, TABS } from '$constants/dialogs';
-
-const getEstimated = (distance, speed = 15) => {
-  const time = (distance && (distance / speed)) || 0;
-  return (time && parseFloat(time.toFixed(1)));
-};
-
-const setUser = (state, { user }) => ({
-  ...state,
-  user: {
-    ...state.user,
-    ...user,
-  },
-});
-
-const setEditing = (state, { editing }) => ({ ...state, editing });
-const setChanged = (state, { changed }) => ({ ...state, changed });
-const setMode = (state, { mode }) => ({ ...state, mode });
-const setDistance = (state, { distance }) => ({
-  ...state,
-  distance,
-  estimated: getEstimated(distance, state.speed),
-});
-
-const setRouterPoints = (state, { routerPoints }) => ({ ...state, routerPoints });
-
-const setActiveSticker = (state, { activeSticker }) => ({
-  ...state,
-  activeSticker: activeSticker || { set: null, sticker: null }
-});
-const setLogo = (state, { logo }) => ({ ...state, logo });
-const setTitle = (state, { title }) => ({ ...state, title });
-const setAddress = (state, { address }) => ({ ...state, address });
-const setAddressOrigin = (state, { address_origin }) => ({ ...state, address_origin });
-
-const sendSaveRequest = state => ({ ...state, save_processing: true, });
-const setSaveError = (state, { save_error }) => ({
-  ...state, save_error, save_finished: false, save_processing: false
-});
-
-const setSaveOverwrite = state => ({
-  ...state,
-  save_overwriting: true,
-  save_finished: false,
-  save_processing: false,
-  save_error: TIPS.SAVE_OVERWRITE,
-});
-
-const setSaveSuccess = (state, { save_error }) => ({
-  ...state, save_overwriting: false, save_finished: true, save_processing: false, save_error
-});
-
-const resetSaveDialog = state => ({
-  ...state, save_overwriting: false, save_finished: false, save_processing: false, save_error: '',
-});
-
-const showRenderer = state => ({
-  ...state,
-  renderer: { ...state.renderer, renderer_active: true }
-});
-
-const hideRenderer = state => ({
-  ...state,
-  renderer: { ...state.renderer, renderer_active: false }
-});
-
-const setRenderer = (state, { payload }) => ({
-  ...state,
-  renderer: { ...state.renderer, ...payload }
-});
-
-const setProvider = (state, { provider }) => ({ ...state, provider });
-
-const setDialog = (state, { dialog }) => ({
-  ...state,
-  dialog,
-});
-
-const setDialogActive = (state, { dialog_active }) => ({
-  ...state,
-  dialog_active: dialog_active || !state.dialog_active,
-});
-
-const setReady = (state, { ready = true }) => ({
-  ...state,
-  ready,
-});
-
-const searchSetTitle = (state, { title = '' }) => ({
-  ...state,
-  routes: {
-    ...state.routes,
-    filter: {
-      ...state.routes.filter,
-      title,
-      distance: [0, 10000],
-    }
-  }
-});
-
-const searchSetDistance = (state, { distance = [0, 9999] }) => ({
-  ...state,
-  routes: {
-    ...state.routes,
-    filter: {
-      ...state.routes.filter,
-      distance,
-    }
-  }
-});
-
-const searchSetTab = (state, { tab = TABS[Object.keys(TABS)[0]] }) => ({
-  ...state,
-  routes: {
-    ...state.routes,
-    filter: {
-      ...state.routes.filter,
-      tab: Object.keys(TABS).indexOf(tab) >= 0 ? tab : TABS[Object.keys(TABS)[0]],
-    }
-  }
-});
-
-const searchPutRoutes = (state, { list = [], min, max }) => ({
-  ...state,
-  routes: {
-    ...state.routes,
-    list,
-    filter: {
-      ...state.routes.filter,
-      distance: (state.routes.filter.min === state.routes.filter.max)
-        ? [min, max]
-        : state.routes.filter.distance,
-      min,
-      max,
-    }
-  }
-});
-
-const searchSetLoading = (state, { loading = false }) => ({
-  ...state,
-  routes: {
-    ...state.routes,
-    loading,
-  }
-});
-
-const setPublic = (state, { is_public = false }) => ({ ...state, is_public });
-const setSpeed = (state, { speed = 15 }) => ({
-  ...state,
-  speed,
-  estimated: getEstimated(state.distance, speed),
-});
-
-const setMarkersShown = (state, { markers_shown = true }) => ({ ...state, markers_shown });
-
-const HANDLERS = ({
-  [ACTIONS.SET_USER]: setUser,
-  [ACTIONS.SET_EDITING]: setEditing,
-  [ACTIONS.SET_CHANGED]: setChanged,
-  [ACTIONS.SET_MODE]: setMode,
-  [ACTIONS.SET_DISTANCE]: setDistance,
-  [ACTIONS.SET_ROUTER_POINTS]: setRouterPoints,
-  [ACTIONS.SET_ACTIVE_STICKER]: setActiveSticker,
-  [ACTIONS.SET_LOGO]: setLogo,
-  [ACTIONS.SET_TITLE]: setTitle,
-  [ACTIONS.SET_ADDRESS]: setAddress,
-  [ACTIONS.SET_ADDRESS_ORIGIN]: setAddressOrigin,
-
-  [ACTIONS.SET_SAVE_ERROR]: setSaveError,
-  [ACTIONS.SET_SAVE_OVERWRITE]: setSaveOverwrite,
-  [ACTIONS.SET_SAVE_SUCCESS]: setSaveSuccess,
-  [ACTIONS.SEND_SAVE_REQUEST]: sendSaveRequest,
-  [ACTIONS.RESET_SAVE_DIALOG]: resetSaveDialog,
-
-  [ACTIONS.SHOW_RENDERER]: showRenderer,
-  [ACTIONS.HIDE_RENDERER]: hideRenderer,
-  [ACTIONS.SET_RENDERER]: setRenderer,
-
-  [ACTIONS.SET_PROVIDER]: setProvider,
-
-  [ACTIONS.SET_DIALOG]: setDialog,
-  [ACTIONS.SET_DIALOG_ACTIVE]: setDialogActive,
-  [ACTIONS.SET_READY]: setReady,
-
-  [ACTIONS.SEARCH_SET_TITLE]: searchSetTitle,
-  [ACTIONS.SEARCH_SET_DISTANCE]: searchSetDistance,
-  [ACTIONS.SEARCH_SET_TAB]: searchSetTab,
-  [ACTIONS.SEARCH_PUT_ROUTES]: searchPutRoutes,
-  [ACTIONS.SEARCH_SET_LOADING]: searchSetLoading,
-  [ACTIONS.SET_PUBLIC]: setPublic,
-  [ACTIONS.SET_SPEED]: setSpeed,
-
-  [ACTIONS.SET_MARKERS_SHOWN]: setMarkersShown,
-}: { [key: String]: Function });
-
-export const INITIAL_STATE = {
-  ready: false,
-  user: { ...DEFAULT_USER },
-  editing: false,
-  mode: MODES.NONE,
-  logo: DEFAULT_LOGO,
-  routerPoints: 0,
-  distance: 0,
-  estimated: 0,
-  speed: 15,
-  activeSticker: { set: null, sticker: null },
-  title: '',
-  address: '',
-  address_origin: '',
-  changed: false,
-  provider: DEFAULT_PROVIDER,
-  is_public: false,
-  markers_shown: true,
-
-  save_error: '',
-  save_finished: false,
-  save_overwriting: false,
-  save_processing: false,
-
-  dialog: DIALOGS.NONE,
-  dialog_active: false,
-
-  renderer: {
-    data: '',
-    width: 0,
-    height: 0,
-    renderer_active: false,
-    info: '',
-    progress: 0,
-  },
-
-  routes: {
-    limit: 0,
-    loading: false, // <-- maybe delete this
-    list: [],
-    filter: {
-      title: '',
-      starred: false,
-      distance: [0, 10000],
-      author: '',
-      tab: '',
-      min: 0,
-      max: 10000,
-    }
-  },
-};
-
-export const userReducer = createReducer(INITIAL_STATE, HANDLERS);
diff --git a/src/redux/user/reducer.ts b/src/redux/user/reducer.ts
new file mode 100644
index 0000000..8a11cca
--- /dev/null
+++ b/src/redux/user/reducer.ts
@@ -0,0 +1,353 @@
+// @flow
+import { createReducer } from 'reduxsauce';
+import { ACTIONS } from '$redux/user/constants';
+import { DEFAULT_USER, IUser } from '$constants/auth';
+import { MODES } from '$constants/modes';
+import { DEFAULT_LOGO, LOGOS } from '$constants/logos';
+import { TIPS } from '$constants/tips';
+import { DEFAULT_PROVIDER, PROVIDERS } from '$constants/providers';
+import { DIALOGS, IDialogs, TABS } from '$constants/dialogs';
+import * as ActionCreators from '$redux/user/actions';
+import { IStickers } from "$constants/stickers";
+
+interface IRootReducer {
+  ready: boolean,
+  user: IUser,
+  editing: boolean,
+  mode: keyof typeof MODES,
+  logo: keyof typeof LOGOS,
+  routerPoints: number,
+  distance: number,
+  estimated: number,
+  speed: number,
+  activeSticker: { set?: keyof IStickers, sticker?: string },
+  title: string,
+  address: string,
+  address_origin: string,
+  changed: boolean,
+  provider: keyof typeof PROVIDERS,
+  is_public: boolean,
+  markers_shown: boolean,
+
+  save_error: string,
+  save_finished: boolean,
+  save_overwriting: boolean,
+  save_processing: boolean,
+
+  dialog: IDialogs[keyof IDialogs],
+  dialog_active: boolean,
+
+  renderer: {
+    data: string,
+    width: number,
+    height: number
+    renderer_active: boolean,
+    info: string,
+    progress: number,
+  },
+
+  routes: {
+    limit: 0,
+    loading: boolean,
+    list: [],
+    filter: {
+      title: '',
+      starred: boolean,
+      distance: [number, number],
+      author: '',
+      tab: '',
+      min: number,
+      max: number,
+    }
+  },
+}
+
+export type IRootState = Readonly<IRootReducer>;
+type UnsafeReturnType<T> = T extends (...args: any[]) => infer R ? R : any;
+
+export interface ActionHandler<T> {
+  (state: IRootState, payload: UnsafeReturnType<T>): IRootState;
+}
+
+const getEstimated = (distance: number, speed: number = 15): number => {
+  const time = (distance && (distance / speed)) || 0;
+  return (time && parseFloat(time.toFixed(1)));
+};
+
+const setUser: ActionHandler<typeof ActionCreators.setUser> = (state, { user }) => ({
+  ...state,
+  user: {
+    ...state.user,
+    ...user,
+  },
+});
+
+const setEditing: ActionHandler<typeof ActionCreators.setEditing> = (state, { editing }) => ({
+  ...state, editing
+});
+
+const setChanged: ActionHandler<typeof ActionCreators.setChanged> = (state, { changed }) => ({
+  ...state,
+  changed
+});
+
+const setMode: ActionHandler<typeof ActionCreators.setMode> = (state, { mode }) => ({
+  ...state,
+  mode
+});
+
+const setDistance: ActionHandler<typeof ActionCreators.setDistance> = (state, { distance }) => ({
+  ...state,
+  distance,
+  estimated: getEstimated(distance, state.speed),
+});
+
+const setRouterPoints: ActionHandler<typeof ActionCreators.setRouterPoints> = (state, { routerPoints }) => ({
+  ...state,
+  routerPoints,
+});
+
+const setActiveSticker: ActionHandler<typeof ActionCreators.setActiveSticker> = (state, { activeSticker }) => ({
+  ...state,
+  activeSticker: activeSticker || { set: null, sticker: null }
+});
+
+const setLogo: ActionHandler<typeof ActionCreators.setLogo> = (state, { logo }) => ({
+  ...state,
+  logo
+});
+
+const setTitle: ActionHandler<typeof ActionCreators.setTitle> = (state, { title }) => ({
+  ...state,
+  title
+});
+
+const setAddress: ActionHandler<typeof ActionCreators.setAddress> = (state, { address }) => ({
+  ...state,
+  address
+});
+
+const setAddressOrigin: ActionHandler<typeof ActionCreators.setAddressOrigin> = (state, { address_origin }) => ({
+  ...state,
+  address_origin
+});
+
+const sendSaveRequest: ActionHandler<typeof ActionCreators.sendSaveRequest> = (state) => ({
+  ...state,
+  save_processing: true,
+});
+
+const setSaveError: ActionHandler<typeof ActionCreators.setSaveError> = (state, { save_error }) => ({
+  ...state, save_error, save_finished: false, save_processing: false
+});
+
+const setSaveOverwrite: ActionHandler<typeof ActionCreators.setSaveOverwrite> = (state) => ({
+  ...state,
+  save_overwriting: true,
+  save_finished: false,
+  save_processing: false,
+  save_error: TIPS.SAVE_OVERWRITE,
+});
+
+const setSaveSuccess: ActionHandler<typeof ActionCreators.setSaveSuccess> = (state, { save_error }) => ({
+  ...state, save_overwriting: false, save_finished: true, save_processing: false, save_error
+});
+
+const resetSaveDialog: ActionHandler<typeof ActionCreators.resetSaveDialog> = (state) => ({
+  ...state, save_overwriting: false, save_finished: false, save_processing: false, save_error: '',
+});
+//
+// const showRenderer: ActionHandler<typeof ActionCreators.showRenderer> = (state) => ({
+//   ...state,
+//   renderer: {
+//     ...state.renderer,
+//     renderer_active: true
+//   }
+// });
+
+const hideRenderer: ActionHandler<typeof ActionCreators.hideRenderer> = (state) => ({
+  ...state,
+  renderer: { ...state.renderer, renderer_active: false }
+});
+
+const setRenderer: ActionHandler<typeof ActionCreators.setRenderer> = (state, { payload }) => ({
+  ...state,
+  renderer: { ...state.renderer, ...payload }
+});
+
+const setProvider: ActionHandler<typeof ActionCreators.setProvider> = (state, { provider }) => ({ ...state, provider });
+
+const setDialog: ActionHandler<typeof ActionCreators.setDialog> = (state, { dialog }) => ({
+  ...state,
+  dialog,
+});
+
+const setDialogActive: ActionHandler<typeof ActionCreators.setDialogActive> = (state, { dialog_active }) => ({
+  ...state,
+  dialog_active: dialog_active || !state.dialog_active,
+});
+
+const setReady: ActionHandler<typeof ActionCreators.setReady> = (state, { ready = true }) => ({
+  ...state,
+  ready,
+});
+
+const searchSetTitle: ActionHandler<typeof ActionCreators.searchSetTitle> = (state, { title = '' }) => ({
+  ...state,
+  routes: {
+    ...state.routes,
+    filter: {
+      ...state.routes.filter,
+      title,
+      distance: [0, 10000],
+    }
+  }
+});
+
+const searchSetDistance: ActionHandler<typeof ActionCreators.searchSetDistance> = (state, { distance = [0, 9999] }) => ({
+  ...state,
+  routes: {
+    ...state.routes,
+    filter: {
+      ...state.routes.filter,
+      distance,
+    }
+  }
+});
+
+const searchSetTab: ActionHandler<typeof ActionCreators.searchSetTab> = (state, { tab = TABS[Object.keys(TABS)[0]] }) => ({
+  ...state,
+  routes: {
+    ...state.routes,
+    filter: {
+      ...state.routes.filter,
+      tab: Object.keys(TABS).indexOf(tab) >= 0 ? tab : TABS[Object.keys(TABS)[0]],
+    }
+  }
+});
+
+const searchPutRoutes: ActionHandler<typeof ActionCreators.searchPutRoutes> = (state, { list = [], min, max }) => ({
+  ...state,
+  routes: {
+    ...state.routes,
+    list,
+    filter: {
+      ...state.routes.filter,
+      distance: (state.routes.filter.min === state.routes.filter.max)
+        ? [min, max]
+        : state.routes.filter.distance,
+      min,
+      max,
+    }
+  }
+});
+
+const searchSetLoading: ActionHandler<typeof ActionCreators.searchSetLoading> = (state, { loading = false }) => ({
+  ...state,
+  routes: {
+    ...state.routes,
+    loading,
+  }
+});
+
+const setPublic: ActionHandler<typeof ActionCreators.setPublic> = (state, { is_public = false }) => ({ ...state, is_public });
+const setSpeed: ActionHandler<typeof ActionCreators.setSpeed> = (state, { speed = 15 }) => ({
+  ...state,
+  speed,
+  estimated: getEstimated(state.distance, speed),
+});
+
+const setMarkersShown: ActionHandler<typeof ActionCreators.setMarkersShown> = (state, { markers_shown = true }) => ({ ...state, markers_shown });
+
+const HANDLERS = ({
+  [ACTIONS.SET_USER]: setUser,
+  [ACTIONS.SET_EDITING]: setEditing,
+  [ACTIONS.SET_CHANGED]: setChanged,
+  [ACTIONS.SET_MODE]: setMode,
+  [ACTIONS.SET_DISTANCE]: setDistance,
+  [ACTIONS.SET_ROUTER_POINTS]: setRouterPoints,
+  [ACTIONS.SET_ACTIVE_STICKER]: setActiveSticker,
+  [ACTIONS.SET_LOGO]: setLogo,
+  [ACTIONS.SET_TITLE]: setTitle,
+  [ACTIONS.SET_ADDRESS]: setAddress,
+  [ACTIONS.SET_ADDRESS_ORIGIN]: setAddressOrigin,
+
+  [ACTIONS.SET_SAVE_ERROR]: setSaveError,
+  [ACTIONS.SET_SAVE_OVERWRITE]: setSaveOverwrite,
+  [ACTIONS.SET_SAVE_SUCCESS]: setSaveSuccess,
+  [ACTIONS.SEND_SAVE_REQUEST]: sendSaveRequest,
+  [ACTIONS.RESET_SAVE_DIALOG]: resetSaveDialog,
+
+  [ACTIONS.HIDE_RENDERER]: hideRenderer,
+  [ACTIONS.SET_RENDERER]: setRenderer,
+
+  [ACTIONS.SET_PROVIDER]: setProvider,
+
+  [ACTIONS.SET_DIALOG]: setDialog,
+  [ACTIONS.SET_DIALOG_ACTIVE]: setDialogActive,
+  [ACTIONS.SET_READY]: setReady,
+
+  [ACTIONS.SEARCH_SET_TITLE]: searchSetTitle,
+  [ACTIONS.SEARCH_SET_DISTANCE]: searchSetDistance,
+  [ACTIONS.SEARCH_SET_TAB]: searchSetTab,
+  [ACTIONS.SEARCH_PUT_ROUTES]: searchPutRoutes,
+  [ACTIONS.SEARCH_SET_LOADING]: searchSetLoading,
+  [ACTIONS.SET_PUBLIC]: setPublic,
+  [ACTIONS.SET_SPEED]: setSpeed,
+
+  [ACTIONS.SET_MARKERS_SHOWN]: setMarkersShown,
+});
+
+export const INITIAL_STATE: IRootReducer = {
+  ready: false,
+  user: { ...DEFAULT_USER },
+  editing: false,
+  mode: MODES.NONE,
+  logo: DEFAULT_LOGO,
+  routerPoints: 0,
+  distance: 0,
+  estimated: 0,
+  speed: 15,
+  activeSticker: { set: null, sticker: null },
+  title: '',
+  address: '',
+  address_origin: '',
+  changed: false,
+  provider: DEFAULT_PROVIDER,
+  is_public: false,
+  markers_shown: true,
+
+  save_error: '',
+  save_finished: false,
+  save_overwriting: false,
+  save_processing: false,
+
+  dialog: DIALOGS.NONE,
+  dialog_active: false,
+
+  renderer: {
+    data: '',
+    width: 0,
+    height: 0,
+    renderer_active: false,
+    info: '',
+    progress: 0,
+  },
+
+  routes: {
+    limit: 0,
+    loading: false, // <-- maybe delete this
+    list: [],
+    filter: {
+      title: '',
+      starred: false,
+      distance: [0, 10000],
+      author: '',
+      tab: '',
+      min: 0,
+      max: 10000,
+    }
+  },
+};
+
+export const userReducer = createReducer(INITIAL_STATE, HANDLERS);