diff --git a/@types/chalk.d.ts b/@types/chalk.d.ts
new file mode 100644
index 0000000..b12930f
--- /dev/null
+++ b/@types/chalk.d.ts
@@ -0,0 +1,419 @@
+/**
+ * This is a copy-paste from chalk lib, to fix typescript erros
+ * when isolatedModules is enabled
+ */
+
+declare module 'chalk' {
+  const enum LevelEnum {
+    /**
+    All colors disabled.
+     */
+    None = 0,
+
+    /**
+    Basic 16 colors support.
+     */
+    Basic = 1,
+
+    /**
+    ANSI 256 colors support.
+     */
+    Ansi256 = 2,
+
+    /**
+    Truecolor 16 million colors support.
+     */
+    TrueColor = 3,
+  }
+
+  /**
+  Basic foreground colors.
+
+  [More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+   */
+  type ForegroundColor =
+    | 'black'
+    | 'red'
+    | 'green'
+    | 'yellow'
+    | 'blue'
+    | 'magenta'
+    | 'cyan'
+    | 'white'
+    | 'gray'
+    | 'grey'
+    | 'blackBright'
+    | 'redBright'
+    | 'greenBright'
+    | 'yellowBright'
+    | 'blueBright'
+    | 'magentaBright'
+    | 'cyanBright'
+    | 'whiteBright';
+
+  /**
+  Basic background colors.
+
+  [More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+   */
+  type BackgroundColor =
+    | 'bgBlack'
+    | 'bgRed'
+    | 'bgGreen'
+    | 'bgYellow'
+    | 'bgBlue'
+    | 'bgMagenta'
+    | 'bgCyan'
+    | 'bgWhite'
+    | 'bgGray'
+    | 'bgGrey'
+    | 'bgBlackBright'
+    | 'bgRedBright'
+    | 'bgGreenBright'
+    | 'bgYellowBright'
+    | 'bgBlueBright'
+    | 'bgMagentaBright'
+    | 'bgCyanBright'
+    | 'bgWhiteBright';
+
+  /**
+  Basic colors.
+
+  [More colors here.](https://github.com/chalk/chalk/blob/master/readme.md#256-and-truecolor-color-support)
+   */
+  type Color = ForegroundColor | BackgroundColor;
+
+  type Modifiers =
+    | 'reset'
+    | 'bold'
+    | 'dim'
+    | 'italic'
+    | 'underline'
+    | 'inverse'
+    | 'hidden'
+    | 'strikethrough'
+    | 'visible';
+
+  namespace chalk {
+    type Level = LevelEnum;
+
+    interface Options {
+      /**
+      Specify the color support for Chalk.
+      By default, color support is automatically detected based on the environment.
+       */
+      level?: Level;
+    }
+
+    interface Instance {
+      /**
+      Return a new Chalk instance.
+       */
+      new (options?: Options): Chalk;
+    }
+
+    /**
+    Detect whether the terminal supports color.
+     */
+    interface ColorSupport {
+      /**
+      The color level used by Chalk.
+       */
+      level: Level;
+
+      /**
+      Return whether Chalk supports basic 16 colors.
+       */
+      hasBasic: boolean;
+
+      /**
+      Return whether Chalk supports ANSI 256 colors.
+       */
+      has256: boolean;
+
+      /**
+      Return whether Chalk supports Truecolor 16 million colors.
+       */
+      has16m: boolean;
+    }
+
+    interface ChalkFunction {
+      /**
+      Use a template string.
+
+      @remarks Template literals are unsupported for nested calls (see [issue #341](https://github.com/chalk/chalk/issues/341))
+
+      @example
+      ```
+      import chalk = require('chalk');
+
+      log(chalk`
+      CPU: {red ${cpu.totalPercent}%}
+      RAM: {green ${ram.used / ram.total * 100}%}
+      DISK: {rgb(255,131,0) ${disk.used / disk.total * 100}%}
+      `);
+      ```
+       */
+      (text: TemplateStringsArray, ...placeholders: unknown[]): string;
+
+      (...text: unknown[]): string;
+    }
+
+    interface Chalk extends ChalkFunction {
+      /**
+      Return a new Chalk instance.
+       */
+      Instance: Instance;
+
+      /**
+      The color support for Chalk.
+      By default, color support is automatically detected based on the environment.
+       */
+      level: Level;
+
+      /**
+      Use HEX value to set text color.
+
+      @param color - Hexadecimal value representing the desired color.
+
+      @example
+      ```
+      import chalk = require('chalk');
+
+      chalk.hex('#DEADED');
+      ```
+       */
+      hex(color: string): Chalk;
+
+      /**
+      Use keyword color value to set text color.
+
+      @param color - Keyword value representing the desired color.
+
+      @example
+      ```
+      import chalk = require('chalk');
+
+      chalk.keyword('orange');
+      ```
+       */
+      keyword(color: string): Chalk;
+
+      /**
+      Use RGB values to set text color.
+       */
+      rgb(red: number, green: number, blue: number): Chalk;
+
+      /**
+      Use HSL values to set text color.
+       */
+      hsl(hue: number, saturation: number, lightness: number): Chalk;
+
+      /**
+      Use HSV values to set text color.
+       */
+      hsv(hue: number, saturation: number, value: number): Chalk;
+
+      /**
+      Use HWB values to set text color.
+       */
+      hwb(hue: number, whiteness: number, blackness: number): Chalk;
+
+      /**
+      Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set text color.
+
+      30 <= code && code < 38 || 90 <= code && code < 98
+      For example, 31 for red, 91 for redBright.
+       */
+      ansi(code: number): Chalk;
+
+      /**
+      Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set text color.
+       */
+      ansi256(index: number): Chalk;
+
+      /**
+      Use HEX value to set background color.
+
+      @param color - Hexadecimal value representing the desired color.
+
+      @example
+      ```
+      import chalk = require('chalk');
+
+      chalk.bgHex('#DEADED');
+      ```
+       */
+      bgHex(color: string): Chalk;
+
+      /**
+      Use keyword color value to set background color.
+
+      @param color - Keyword value representing the desired color.
+
+      @example
+      ```
+      import chalk = require('chalk');
+
+      chalk.bgKeyword('orange');
+      ```
+       */
+      bgKeyword(color: string): Chalk;
+
+      /**
+      Use RGB values to set background color.
+       */
+      bgRgb(red: number, green: number, blue: number): Chalk;
+
+      /**
+      Use HSL values to set background color.
+       */
+      bgHsl(hue: number, saturation: number, lightness: number): Chalk;
+
+      /**
+      Use HSV values to set background color.
+       */
+      bgHsv(hue: number, saturation: number, value: number): Chalk;
+
+      /**
+      Use HWB values to set background color.
+       */
+      bgHwb(hue: number, whiteness: number, blackness: number): Chalk;
+
+      /**
+      Use a [Select/Set Graphic Rendition](https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters) (SGR) [color code number](https://en.wikipedia.org/wiki/ANSI_escape_code#3/4_bit) to set background color.
+
+      30 <= code && code < 38 || 90 <= code && code < 98
+      For example, 31 for red, 91 for redBright.
+      Use the foreground code, not the background code (for example, not 41, nor 101).
+       */
+      bgAnsi(code: number): Chalk;
+
+      /**
+      Use a [8-bit unsigned number](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) to set background color.
+       */
+      bgAnsi256(index: number): Chalk;
+
+      /**
+      Modifier: Resets the current color chain.
+       */
+      readonly reset: Chalk;
+
+      /**
+      Modifier: Make text bold.
+       */
+      readonly bold: Chalk;
+
+      /**
+      Modifier: Emitting only a small amount of light.
+       */
+      readonly dim: Chalk;
+
+      /**
+      Modifier: Make text italic. (Not widely supported)
+       */
+      readonly italic: Chalk;
+
+      /**
+      Modifier: Make text underline. (Not widely supported)
+       */
+      readonly underline: Chalk;
+
+      /**
+      Modifier: Inverse background and foreground colors.
+       */
+      readonly inverse: Chalk;
+
+      /**
+      Modifier: Prints the text, but makes it invisible.
+       */
+      readonly hidden: Chalk;
+
+      /**
+      Modifier: Puts a horizontal line through the center of the text. (Not widely supported)
+       */
+      readonly strikethrough: Chalk;
+
+      /**
+      Modifier: Prints the text only when Chalk has a color support level > 0.
+      Can be useful for things that are purely cosmetic.
+       */
+      readonly visible: Chalk;
+
+      readonly black: Chalk;
+      readonly red: Chalk;
+      readonly green: Chalk;
+      readonly yellow: Chalk;
+      readonly blue: Chalk;
+      readonly magenta: Chalk;
+      readonly cyan: Chalk;
+      readonly white: Chalk;
+
+      /*
+      Alias for `blackBright`.
+      */
+      readonly gray: Chalk;
+
+      /*
+      Alias for `blackBright`.
+      */
+      readonly grey: Chalk;
+
+      readonly blackBright: Chalk;
+      readonly redBright: Chalk;
+      readonly greenBright: Chalk;
+      readonly yellowBright: Chalk;
+      readonly blueBright: Chalk;
+      readonly magentaBright: Chalk;
+      readonly cyanBright: Chalk;
+      readonly whiteBright: Chalk;
+
+      readonly bgBlack: Chalk;
+      readonly bgRed: Chalk;
+      readonly bgGreen: Chalk;
+      readonly bgYellow: Chalk;
+      readonly bgBlue: Chalk;
+      readonly bgMagenta: Chalk;
+      readonly bgCyan: Chalk;
+      readonly bgWhite: Chalk;
+
+      /*
+      Alias for `bgBlackBright`.
+      */
+      readonly bgGray: Chalk;
+
+      /*
+      Alias for `bgBlackBright`.
+      */
+      readonly bgGrey: Chalk;
+
+      readonly bgBlackBright: Chalk;
+      readonly bgRedBright: Chalk;
+      readonly bgGreenBright: Chalk;
+      readonly bgYellowBright: Chalk;
+      readonly bgBlueBright: Chalk;
+      readonly bgMagentaBright: Chalk;
+      readonly bgCyanBright: Chalk;
+      readonly bgWhiteBright: Chalk;
+    }
+  }
+
+  /**
+  Main Chalk object that allows to chain styles together.
+  Call the last one as a method with a string argument.
+  Order doesn't matter, and later styles take precedent in case of a conflict.
+  This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.
+   */
+  const chalk: chalk.Chalk &
+    chalk.ChalkFunction & {
+      supportsColor: chalk.ColorSupport | false;
+      Level: LevelEnum;
+      Color: Color;
+      ForegroundColor: ForegroundColor;
+      BackgroundColor: BackgroundColor;
+      Modifiers: Modifiers;
+      stderr: chalk.Chalk & { supportsColor: chalk.ColorSupport | false };
+    };
+
+  export = chalk;
+}
diff --git a/packages/app/components/accounts/index.ts b/packages/app/components/accounts/index.ts
index 6ed2b18..def3dc6 100644
--- a/packages/app/components/accounts/index.ts
+++ b/packages/app/components/accounts/index.ts
@@ -1,2 +1,5 @@
-export { State as AccountsState, Account } from './reducer';
+import { State, Account as AccountType } from './reducer';
+
 export { default as AccountSwitcher } from './AccountSwitcher';
+export type AccountsState = State;
+export type Account = AccountType;
diff --git a/packages/app/components/auth/index.ts b/packages/app/components/auth/index.ts
index e673142..06ddb23 100644
--- a/packages/app/components/auth/index.ts
+++ b/packages/app/components/auth/index.ts
@@ -1 +1,3 @@
-export { State as AuthState } from './reducer';
+import { State } from './reducer';
+
+export type AuthState = State;
diff --git a/packages/app/components/profile/multiFactorAuth/index.ts b/packages/app/components/profile/multiFactorAuth/index.ts
index dfe1a17..b6d93c3 100644
--- a/packages/app/components/profile/multiFactorAuth/index.ts
+++ b/packages/app/components/profile/multiFactorAuth/index.ts
@@ -1,2 +1,4 @@
+import { MfaStep as TMfaStep } from './MfaEnable';
+
 export { default } from './MultiFactorAuth';
-export { MfaStep } from './MfaEnable';
+export type MfaStep = TMfaStep;
diff --git a/packages/app/components/user/index.ts b/packages/app/components/user/index.ts
index 2bf99ec..5ea6641 100644
--- a/packages/app/components/user/index.ts
+++ b/packages/app/components/user/index.ts
@@ -1 +1,3 @@
-export { User } from './reducer';
+import { User as TUser } from './reducer';
+
+export type User = TUser;
diff --git a/packages/app/services/authFlow/index.ts b/packages/app/services/authFlow/index.ts
index 8997f4c..56ccf0e 100644
--- a/packages/app/services/authFlow/index.ts
+++ b/packages/app/services/authFlow/index.ts
@@ -1,4 +1,4 @@
-import AuthFlow, { ActionsDict } from './AuthFlow';
+import AuthFlow, { ActionsDict, AuthContext as TAuthContext } from './AuthFlow';
 
 import * as actions from 'app/components/auth/actions';
 
@@ -34,5 +34,5 @@ const availableActions = {
   setLoadingState: actions.setLoadingState,
 };
 
-export { AuthContext } from './AuthFlow';
+export type AuthContext = TAuthContext;
 export default new AuthFlow(availableActions as ActionsDict);
diff --git a/packages/app/services/request/index.ts b/packages/app/services/request/index.ts
index db75abd..c389657 100644
--- a/packages/app/services/request/index.ts
+++ b/packages/app/services/request/index.ts
@@ -1,10 +1,15 @@
-export { default, Resp } from './request';
-export { Middleware } from './PromiseMiddlewareLayer';
+import { Resp as TResp } from './request';
+import { Middleware as TMiddleware } from './PromiseMiddlewareLayer';
+
+export { default } from './request';
 export { default as InternalServerError } from './InternalServerError';
 export { default as RequestAbortedError } from './RequestAbortedError';
 
+export type Resp<T> = TResp<T>;
+export type Middleware = TMiddleware;
+
 /**
- * Usage: Query<'requeired'|'keys'|'names'>
+ * Usage: Query<'required'|'keys'|'names'>
  * TODO: find a way to make it more friendly with URLSearchParams type
  */
 export type Query<T extends string> = {
diff --git a/tsconfig.json b/tsconfig.json
index 917ab35..2e62c2b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,9 @@
 {
   "compilerOptions": {
     "baseUrl": "packages",
+    "paths": {
+      "chalk": ["../@types/chalk.d.ts"]
+    },
     "module": "esnext",
     "target": "esnext",
     "esModuleInterop": true, // allow importing commonjs exports as default in es imports
@@ -9,6 +12,7 @@
     "checkJs": true,
     "allowJs": true,
     "strictNullChecks": true,
+    "isolatedModules": true,
     // we can not enable json modules, because this will disable
     // *.intl.json overrides (@see `webpack-loaders.d.ts`)
     "resolveJsonModule": false,