diff --git a/.prettierrc b/.prettierrc
index f4f8cf63..61e643a4 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -12,12 +12,24 @@
         "parser": "babel"
       }
     },
+    {
+      "files": "*.jsx",
+      "options": {
+        "parser": "babel"
+      }
+    },
     {
       "files": "*.ts",
       "options": {
         "parser": "babel-ts"
       }
     },
+    {
+      "files": "*.tsx",
+      "options": {
+        "parser": "babel-ts"
+      }
+    },
     {
       "files": "*.json",
       "options": {
diff --git a/README.md b/README.md
index 9ba23409..265af42a 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,86 @@
 # Fake-PEV-Shopping
-Fake Personal Electric Vehicle Shopping application. Browse, compare, buy, review vehicles and their accessories.
+Fake [**P**ersonal **E**lectric **V**ehicle](https://en.wikipedia.org/wiki/Personal_transporter#Types) Shopping application.
+
+>**DISCLAIMER:** this application is meant for **demo purposes only** - it does *NOT* represent a real shop at any moment. Informations about products availability are fake; remaining products informations may be fake or out-of-date. *NO* purchases will actually be sold *NOR* delivered, *NO* payment related actions will be realized - these are only simulated in the application. **Please avoid providing** any of your real personal informations (like logins, passwords, emails, addresses, payment card's PIN or BLIK codes, etc.) on any of the application's pages or views, including any redirections to external services (such as bank related) - **please use fake data** anywhere across the application instead. Application's author does *NOT* take any responsibility for users possible data loss *NOR* actions made by users.
 
 ## Table of Contents
-1. Features
-2. Technology stack
-3. [Setup](#setup)
-    - [database](#database)
-    - frontend
-4. ...
-
-## Setup
-### Database
-This app has been created using MongoDB v4.2.0 with related NPM packages:
-- <a href="https://www.npmjs.com/package/mongodb/v/3.5.10">mongodb v3.5.10</a>
-- <a href="https://www.npmjs.com/package/mongoose/v/5.9.27">mongoose v5.9.27</a>
+1. [Features](#1-features)
+2. [Tech stack](#2-tech-stack)
+3. [Setup](#3-setup)
+    - [automatic (Docker based)](#automatic-setup)
+    - [manual](#manual-setup)
+        - [database](#manual-database-setup)
+        - [app](#manual-app-setup)
+4. [Tests](#4-tests)
+5. [API documentation](#5-api-documentation)
+    - [middleware](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/api-docs/middleware.md)
+    - [database](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/api-docs/database.md)
+    - [frontend](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/api-docs/frontend.md)
+    - [commons](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/api-docs/commons.md)
+6. [Development](#6-development)
+7. [Credits](#7-credits)
+
+## 1. Features
+App offers the following features (with [ideas to add more](https://github.com/ScriptyChris/Fake-PEV-Shopping/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement)):
+- client and seller **user accounts**:
+    - **registering**,
+    - **logging in**,
+    - **resetting password**
+- **searching for products**, including a list of recent searches
+- **browsing** chosen **products** with their data listed, including gallery, reviews and links to related products
+- **listing** available **products**, including:
+    - **filtering** according to alikes: price, category, specifications,
+    - **sorting** and **pagination**
+- **comparing** between multiple products
+- **adding**, **modifying** and **removing** products
+- support for **mobile**, **tablet** and **PC** devices
+- **making orders** for products added to the cart with **various payment and shipment methods**
+- **reviewing** bought products
+## 2. Tech stack
+<p align="center">
+  <a href="https://skillicons.dev">
+    <img src="https://skillicons.dev/icons?i=react,scss,mui,webpack,typescript,nodejs,express,mongo,docker,githubactions,jest" alt="React, SCSS, MUI, Webpack, TypeScript, NodeJS, Express, Mongo, Docker, GitHub Actions and Jest logos" title="React, SCSS, MUI, Webpack, TypeScript, NodeJS, Express, Mongo, Docker, GitHub Actions and Jest" />
+  </a>
+  <a href="https://www.cypress.io">
+    <img src="https://www.cypress.io/favicon.svg" alt="Cypress logo" title="Cypress" width="48" height="48" />
+  </a>
+  <a href="https://formik.org">
+    <img src="https://formik.org/images/favicon.png" alt="Formik logo" title="Formik" width="48" height="48"/>
+  </a>
+  <a href="https://mobx.js.org">
+    <img src="https://mobx.js.org/img/favicon.png" alt="MobX logo" title="MobX" width="48" height="48"/>
+  </a>
+</p>
+
+App's [frontend](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/src/frontend) is built with [**React**](https://reactjs.org/) (and partial [**TypeScript**](https://typescriptlang.org/) usage). Global state is handled by [**MobX**](https://mobx.js.org/). Layouts are made with a mix of custom [**SCSS**](http://sass-lang.com/) and [**Material-UI**](https://v4.mui.com/). Forms are created with [**Formik**](https://formik.org/). Products shipment via parcels is possible due to [**InPost's Geowidget**](https://dokumentacja-inpost.atlassian.net/wiki/spaces/PL/pages/7438409/Geowidget+v4+User+s+Guide+Old). Frontend is bundled with [**webpack**](http://webpackjs.org/).
+
+Backend is written on [**Node.js**](https://nodejs.org/) in **TypeScript**, with [middleware](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/src/middleware) based on [**Express.js**](https://expressjs.com/) (supporting Rest API) and [database](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/src/database) created with [**MongoDB**](https://www.mongodb.com/) (using [**Mongoose**](https://mongoosejs.com/) as ODM). Authorization is implemented via [**JWT**](https://www.npmjs.com/package/jsonwebtoken) and custom user roles system. Emails to users are send via [**Nodemailer**](https://www.npmjs.com/package/nodemailer). Payments for ordered products are handled by integrated [**PayU API**](https://developers.payu.com/en/).
+
+The app's database and middleware are covered with [*unit* tests](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/test/unit) created with [**Jasmine**](https://jasmine.github.io/). Whole-feature focused scenarios are covered by [*end-to-end* tests](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/test/e2e) created with [**Cypress**](https://www.cypress.io/).
+
+Whole app is contenerized via [**Docker**](https://docker.com/), which helps with easier setup and executing end-to-end tests. Repository is hooked with [**GitHub Actions CI/CD**](https://docs.github.com/en/actions) for integration purposes.
+## 3. Setup
+Regardles of setup method, the app is locally served on [`http://localhost:3000`](http://localhost:3000) by default.
+### Automatic setup
+Whole app can be bootstrapped with [Docker](https://www.docker.com/).
+1. Create `.env` file based on [`.env.example`](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/.env.example).
+2. Navigate to [`./docker`](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/docker) folder with command:
+```sh
+cd docker
+```
+
+3. Start Docker (if your Docker setup requires `sudo` access, you may be prompted to type your password):
+
+<small>*NOTE:* installation downloads and processes a few GB of data, so it may take a while.</small>
+```sh
+sudo docker-compose --env-file ../.env -f docker-compose.yml -f docker-compose.app-standalone-volumes.yml up
+```
+
+This will install all necessary dependencies, populate database with initial data and serve the app.
+
+### Manual setup
+#### Manual database setup
+Database has been created using MongoDB v4.2.0 with [mongodb v3.5.10](https://www.npmjs.com/package/mongodb/v/3.5.10) and [mongoose v5.9.27](https://www.npmjs.com/package/mongoose/v/5.9.27) NPM packages.
 
 To install MongoDB database locally, please download and install it on your machine from this URL: https://fastdl.mongodb.org/win32/mongodb-win32-x86_64-2012plus-4.2.9-signed.msi (you can skip first three below steps then) or follow these steps:
 1. Go to https://www.mongodb.com/try/download/community
@@ -24,4 +91,65 @@ To install MongoDB database locally, please download and install it on your mach
 6. Start the MongoDB running the following command (i assume you are using Windows with default installation path - if not, please adjust the path accordingly)
 `  C:\Program Files\MongoDB\Server\4.2\bin\mongod.exe --dbpath="absolute_path_to_project_root\database\data"`
 
-In case of any issues, please refer to the official MongoDB installation guide for your operating system [<a href="https://docs.mongodb.com/v4.2/tutorial/install-mongodb-on-windows/">Windows</a> / <a href="https://docs.mongodb.com/v4.2/administration/install-on-linux/">Linux</a> / <a href="https://docs.mongodb.com/v4.2/tutorial/install-mongodb-on-os-x/">macOS</a>].
+In case of any issues, please refer to the official MongoDB installation guide for your operating system [[Windows](https://docs.mongodb.com/v4.2/tutorial/install-mongodb-on-windows/) / [Linux](https://docs.mongodb.com/v4.2/administration/install-on-linux/) / [macOS](https://docs.mongodb.com/v4.2/tutorial/install-mongodb-on-os-x/)].
+
+#### Manual app setup
+The app building process is based on Node.js v14 LTS and npm, so after [installing it](https://nodejs.org/download/release/latest-fermium/) (optionally via [NVM](https://github.com/nvm-sh/nvm)) do the following:
+1. Install dependencies by command:
+```sh
+npm ci
+```
+2. Build project:
+```sh
+npm build
+```
+3. Create `.env` file based on [`.env.example`](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/.env.example). Change `DATABASE_HOST` variable in `.env` file to `localhost` value.
+
+4. Serve the app:
+```sh
+npm serve
+```
+
+## 4. Tests
+The app contains [**unit** and **end-to-end** tests](#2-tech-stack). You can run them as following:
+- unit tests:
+```sh
+npm run test:unit
+```
+- end-to-end tests:
+
+<small>*NOTE*: it requires [Docker](https://www.docker.com/) installation and `DATABASE_HOST` variable in `.env` file set to `pev-db` value.</small>
+```sh
+npm run test:e2e:dev
+```
+
+## 5. API documentation
+API docs are generated by [**TypeDoc**](https://npmjs.com/package/typedoc), which output is [grouped](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/generate-grouped-api-docs.js) into [a few folders](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/api-docs).
+
+## 6. Development
+If you would like to play with the application's code, [*package.json* file](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/package.json) contains helpful NPM commands, for example:
+- populate database with default initial data and included cleanup (in case you would like to reset database state)
+```sh
+npm run populate-db
+```
+- develop frontend with React's hot module replacement
+```sh
+npm run dev:frontend
+```
+- develop backend with automatic ad-hoc builds
+```sh
+npm run dev:backend
+```
+- debug backend with [Google Chrome's Devtools](https://nodejs.org/en/docs/guides/debugging-getting-started/#inspector-clients) (or compliant tool)
+```sh
+npm run debug
+```
+- generate API documentation based on current source code (with restriction to files listed in [grouping script](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/develop/generate-grouped-api-docs.js))
+```sh
+npm run generate-api-docs
+```
+
+## 7. Credits
+- initial products data is based on the [**eWheels** shop](https://www.ewheels.com/)
+- tech stack icons are provided by [https://github.com/tandpfun/skill-icons](https://github.com/tandpfun/skill-icons)
+- the app's (favicon) icon is provided by [**Icons8**](https://icons8.com)
\ No newline at end of file
diff --git a/api-docs/commons.md b/api-docs/commons.md
new file mode 100644
index 00000000..5500ba8f
--- /dev/null
+++ b/api-docs/commons.md
@@ -0,0 +1,1541 @@
+fake-pev-shopping
+
+# fake-pev-shopping
+
+## Table of contents
+
+### Modules
+
+- [logger](#modulesloggermd)
+- [types](#modulestypesmd)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / StorageService
+
+# Class: StorageService
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).StorageService
+
+## Hierarchy
+
+- **`StorageService`**
+
+  ↳ [`UserCart`](#classestypes_internal_usercartmd)
+
+  ↳ [`UserAccount`](#classestypes_internal_useraccountmd)
+
+  ↳ [`UserAuthToken`](#classestypes_internal_userauthtokenmd)
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new StorageService**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:18](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L18)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`value`, `checkIfShouldRemove`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value` | [`TStorageValue`](#tstoragevalue) |
+| `checkIfShouldRemove` | () => `boolean` |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L26)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / StoreService
+
+# Class: StoreService
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).StoreService
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Accessors
+
+- [productComparisonState](#productcomparisonstate)
+- [userAccountState](#useraccountstate)
+- [userCartProducts](#usercartproducts)
+- [userCartProductsCount](#usercartproductscount)
+- [userCartState](#usercartstate)
+- [userCartTotalPrice](#usercarttotalprice)
+
+### Methods
+
+- [addProductToUserCartState](#addproducttousercartstate)
+- [clearProductComparisonState](#clearproductcomparisonstate)
+- [clearProductObservedState](#clearproductobservedstate)
+- [clearUserAccountState](#clearuseraccountstate)
+- [clearUserCartState](#clearusercartstate)
+- [removeProductFromUserCartState](#removeproductfromusercartstate)
+- [replaceUserCartState](#replaceusercartstate)
+- [updateProductComparisonState](#updateproductcomparisonstate)
+- [updateProductObservedState](#updateproductobservedstate)
+- [updateUserAccountState](#updateuseraccountstate)
+
+## Constructors
+
+### constructor
+
+• **new StoreService**()
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:27](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L27)
+
+## Accessors
+
+### productComparisonState
+
+• `get` **productComparisonState**(): [`TUserCartProduct`](#tusercartproduct)[]
+
+#### Returns
+
+[`TUserCartProduct`](#tusercartproduct)[]
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:143](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L143)
+
+___
+
+### userAccountState
+
+• `get` **userAccountState**(): ``null`` \| [`TUserPublic`](#tuserpublic)
+
+#### Returns
+
+``null`` \| [`TUserPublic`](#tuserpublic)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:139](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L139)
+
+___
+
+### userCartProducts
+
+• `get` **userCartProducts**(): { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Returns
+
+{ `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:127](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L127)
+
+___
+
+### userCartProductsCount
+
+• `get` **userCartProductsCount**(): `number`
+
+#### Returns
+
+`number`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:135](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L135)
+
+___
+
+### userCartState
+
+• `get` **userCartState**(): [`IUserCart`](#interfacestypesiusercartmd)
+
+#### Returns
+
+[`IUserCart`](#interfacestypesiusercartmd)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:123](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L123)
+
+___
+
+### userCartTotalPrice
+
+• `get` **userCartTotalPrice**(): `number`
+
+#### Returns
+
+`number`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:131](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L131)
+
+## Methods
+
+### addProductToUserCartState
+
+▸ **addProductToUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`TUserCartProduct`](#tusercartproduct) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:47](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L47)
+
+___
+
+### clearProductComparisonState
+
+▸ **clearProductComparisonState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:111](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L111)
+
+___
+
+### clearProductObservedState
+
+▸ **clearProductObservedState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:119](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L119)
+
+___
+
+### clearUserAccountState
+
+▸ **clearUserAccountState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:43](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L43)
+
+___
+
+### clearUserCartState
+
+▸ **clearUserCartState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:81](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L81)
+
+___
+
+### removeProductFromUserCartState
+
+▸ **removeProductFromUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`TUserCartProduct`](#tusercartproduct) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:61](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L61)
+
+___
+
+### replaceUserCartState
+
+▸ **replaceUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`IUserCart`](#interfacestypesiusercartmd) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:88](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L88)
+
+___
+
+### updateProductComparisonState
+
+▸ **updateProductComparisonState**(`__namedParameters`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+| `__namedParameters.add` | [`TUserCartProduct`](#tusercartproduct) |
+| `__namedParameters.remove` | `Partial`<{ `_id`: `string` ; `index`: `number`  }\> |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:94](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L94)
+
+___
+
+### updateProductObservedState
+
+▸ **updateProductObservedState**(`observedProductsIDs`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `observedProductsIDs` | `undefined` \| `ObjectId`[] |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:115](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L115)
+
+___
+
+### updateUserAccountState
+
+▸ **updateUserAccountState**(`userAccountState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `userAccountState` | [`TUserPublic`](#tuserpublic) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L39)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / UserAccount
+
+# Class: UserAccount
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).UserAccount
+
+## Hierarchy
+
+- [`StorageService`](#classestypes_internal_storageservicemd)
+
+  ↳ **`UserAccount`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserAccount**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:70](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L70)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`accountState`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `accountState` | [`TUserPublic`](#tuserpublic) |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:74](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L74)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / UserAuthToken
+
+# Class: UserAuthToken
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).UserAuthToken
+
+## Hierarchy
+
+- [`StorageService`](#classestypes_internal_storageservicemd)
+
+  ↳ **`UserAuthToken`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserAuthToken**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:80](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L80)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`authToken`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `authToken` | `string` |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:84](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L84)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / UserCart
+
+# Class: UserCart
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).UserCart
+
+## Hierarchy
+
+- [`StorageService`](#classestypes_internal_storageservicemd)
+
+  ↳ **`UserCart`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserCart**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:60](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L60)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classestypes_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`cartState`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `cartState` | [`IUserCart`](#interfacestypesiusercartmd) |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classestypes_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:64](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L64)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / HTTP\_STATUS\_CODE
+
+# Enumeration: HTTP\_STATUS\_CODE
+
+[types](#modulestypesmd).HTTP_STATUS_CODE
+
+## Table of contents
+
+### Enumeration Members
+
+- [BAD\_REQUEST](#bad_request)
+- [CONFLICT](#conflict)
+- [CREATED](#created)
+- [FORBIDDEN](#forbidden)
+- [INTERNAL\_SERVER\_ERROR](#internal_server_error)
+- [NETWORK\_AUTH\_REQUIRED](#network_auth_required)
+- [NOT\_FOUND](#not_found)
+- [NOT\_MODIFIED](#not_modified)
+- [NO\_CONTENT](#no_content)
+- [OK](#ok)
+- [SERVICE\_UNAVAILABLE](#service_unavailable)
+- [UNAUTHORIZED](#unauthorized)
+
+## Enumeration Members
+
+### BAD\_REQUEST
+
+• **BAD\_REQUEST**
+
+#### Defined in
+
+[commons/types.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L42)
+
+___
+
+### CONFLICT
+
+• **CONFLICT**
+
+#### Defined in
+
+[commons/types.ts:46](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L46)
+
+___
+
+### CREATED
+
+• **CREATED**
+
+#### Defined in
+
+[commons/types.ts:38](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L38)
+
+___
+
+### FORBIDDEN
+
+• **FORBIDDEN**
+
+#### Defined in
+
+[commons/types.ts:44](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L44)
+
+___
+
+### INTERNAL\_SERVER\_ERROR
+
+• **INTERNAL\_SERVER\_ERROR**
+
+#### Defined in
+
+[commons/types.ts:47](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L47)
+
+___
+
+### NETWORK\_AUTH\_REQUIRED
+
+• **NETWORK\_AUTH\_REQUIRED**
+
+#### Defined in
+
+[commons/types.ts:49](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L49)
+
+___
+
+### NOT\_FOUND
+
+• **NOT\_FOUND**
+
+#### Defined in
+
+[commons/types.ts:45](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L45)
+
+___
+
+### NOT\_MODIFIED
+
+• **NOT\_MODIFIED**
+
+#### Defined in
+
+[commons/types.ts:41](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L41)
+
+___
+
+### NO\_CONTENT
+
+• **NO\_CONTENT**
+
+#### Defined in
+
+[commons/types.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L39)
+
+___
+
+### OK
+
+• **OK**
+
+#### Defined in
+
+[commons/types.ts:37](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L37)
+
+___
+
+### SERVICE\_UNAVAILABLE
+
+• **SERVICE\_UNAVAILABLE**
+
+#### Defined in
+
+[commons/types.ts:48](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L48)
+
+___
+
+### UNAUTHORIZED
+
+• **UNAUTHORIZED**
+
+#### Defined in
+
+[commons/types.ts:43](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L43)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / IOrder
+
+# Interface: IOrder
+
+[types](#modulestypesmd).IOrder
+
+## Table of contents
+
+### Properties
+
+- [paymentType](#paymenttype)
+- [price](#price)
+- [products](#products)
+- [receiver](#receiver)
+- [shipmentType](#shipmenttype)
+
+## Properties
+
+### paymentType
+
+• **paymentType**: ``"Cash"`` \| ``"Card"`` \| ``"Transfer"`` \| ``"BLIK"``
+
+#### Defined in
+
+[commons/types.ts:73](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L73)
+
+___
+
+### price
+
+• **price**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `shipment` | `number` |
+| `total` | `number` |
+
+#### Defined in
+
+[commons/types.ts:75](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L75)
+
+___
+
+### products
+
+• **products**: { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[] & { `count`: `number`  }[]
+
+#### Defined in
+
+[commons/types.ts:74](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L74)
+
+___
+
+### receiver
+
+• **receiver**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `address` | `string` |
+| `baseInfo` | { `email`: `string` ; `name`: `string` ; `phone`: `string`  } |
+| `baseInfo.email` | `string` |
+| `baseInfo.name` | `string` |
+| `baseInfo.phone` | `string` |
+
+#### Defined in
+
+[commons/types.ts:63](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L63)
+
+___
+
+### shipmentType
+
+• **shipmentType**: ``"inPerson"`` \| ``"home"`` \| ``"parcelLocker"``
+
+#### Defined in
+
+[commons/types.ts:71](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L71)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / IPayByLinkMethod
+
+# Interface: IPayByLinkMethod
+
+[types](#modulestypesmd).IPayByLinkMethod
+
+## Table of contents
+
+### Properties
+
+- [maxAmount](#maxamount)
+- [minAmount](#minamount)
+- [name](#name)
+- [status](#status)
+- [type](#type)
+- [value](#value)
+
+## Properties
+
+### maxAmount
+
+• **maxAmount**: `number`
+
+#### Defined in
+
+[commons/types.ts:31](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L31)
+
+___
+
+### minAmount
+
+• **minAmount**: `number`
+
+#### Defined in
+
+[commons/types.ts:30](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L30)
+
+___
+
+### name
+
+• **name**: `string`
+
+#### Defined in
+
+[commons/types.ts:28](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L28)
+
+___
+
+### status
+
+• **status**: ``"ENABLED"`` \| ``"DISABLED"`` \| ``"TEMPORARY_DISABLED"``
+
+#### Defined in
+
+[commons/types.ts:29](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L29)
+
+___
+
+### type
+
+• `Optional` **type**: ``"PBL"`` \| ``"PAYMENT_WALL"``
+
+#### Defined in
+
+[commons/types.ts:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L26)
+
+___
+
+### value
+
+• **value**: `string`
+
+#### Defined in
+
+[commons/types.ts:27](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L27)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / IProductInOrder
+
+# Interface: IProductInOrder
+
+[types](#modulestypesmd).IProductInOrder
+
+## Table of contents
+
+### Properties
+
+- [name](#name)
+- [quantity](#quantity)
+- [unitPrice](#unitprice)
+
+## Properties
+
+### name
+
+• **name**: `string`
+
+#### Defined in
+
+[commons/types.ts:20](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L20)
+
+___
+
+### quantity
+
+• **quantity**: `number`
+
+#### Defined in
+
+[commons/types.ts:22](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L22)
+
+___
+
+### unitPrice
+
+• **unitPrice**: `number`
+
+#### Defined in
+
+[commons/types.ts:21](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L21)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / IUserCart
+
+# Interface: IUserCart
+
+[types](#modulestypesmd).IUserCart
+
+## Table of contents
+
+### Properties
+
+- [products](#products)
+- [totalCount](#totalcount)
+- [totalPrice](#totalprice)
+
+## Properties
+
+### products
+
+• **products**: { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Defined in
+
+[commons/types.ts:53](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L53)
+
+___
+
+### totalCount
+
+• **totalCount**: `number`
+
+#### Defined in
+
+[commons/types.ts:58](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L58)
+
+___
+
+### totalPrice
+
+• **totalPrice**: `number`
+
+#### Defined in
+
+[commons/types.ts:59](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L59)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / ICustomResExt
+
+# Interface: ICustomResExt
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).ICustomResExt
+
+## Table of contents
+
+### Properties
+
+- [\_\_ERROR\_TO\_HANDLE](#__error_to_handle)
+- [\_\_EXCEPTION\_ALREADY\_HANDLED](#__exception_already_handled)
+- [\_\_NO\_CONTENT](#__no_content)
+
+## Properties
+
+### \_\_ERROR\_TO\_HANDLE
+
+• **\_\_ERROR\_TO\_HANDLE**: `Pick`<[`IEmbracedResponse`](#interfacestypes_internal_iembracedresponsemd)<`never`\>, ``"error"``\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:570](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L570)
+
+___
+
+### \_\_EXCEPTION\_ALREADY\_HANDLED
+
+• **\_\_EXCEPTION\_ALREADY\_HANDLED**: ``true``
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:571](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L571)
+
+___
+
+### \_\_NO\_CONTENT
+
+• **\_\_NO\_CONTENT**: ``true``
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:569](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L569)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / [<internal\>](#modulestypes_internal_md) / IEmbracedResponse
+
+# Interface: IEmbracedResponse<PayloadType\>
+
+[types](#modulestypesmd).[<internal>](#modulestypes_internal_md).IEmbracedResponse
+
+## Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `PayloadType` | `never` |
+
+## Table of contents
+
+### Properties
+
+- [authToken](#authtoken)
+- [error](#error)
+- [exception](#exception)
+- [message](#message)
+- [payload](#payload)
+
+## Properties
+
+### authToken
+
+• **authToken**: ``null`` \| `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:11](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L11)
+
+___
+
+### error
+
+• **error**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L14)
+
+___
+
+### exception
+
+• **exception**: `Error` \| { `message`: `string` ; `stack?`: `string`  }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:15](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L15)
+
+___
+
+### message
+
+• **message**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:13](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L13)
+
+___
+
+### payload
+
+• **payload**: `unknown`[] \| `PayloadType` \| `Record`<`string`, `unknown`\>
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L12)
+
+[fake-pev-shopping](#readmemd) / [logger](#modulesloggermd) / <internal\>
+
+# Namespace: <internal\>
+
+[logger](#modulesloggermd).<internal>
+
+[fake-pev-shopping](#readmemd) / logger
+
+# Module: logger
+
+Custom wrapper for a commonly used global `console` methods.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#moduleslogger_internal_md)
+
+### Type Aliases
+
+- [TLogger](#tlogger)
+
+### Functions
+
+- [getLogger](#getlogger)
+
+## Type Aliases
+
+### TLogger
+
+Ƭ **TLogger**: `Logger`
+
+#### Defined in
+
+[commons/logger.ts:72](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/logger.ts#L72)
+
+## Functions
+
+### getLogger
+
+▸ **getLogger**(`moduleFileName`): `Logger`
+
+Creates a module bound logger, which name will be visually emphased in output logs.
+
+**`example`** Log output for `middleware-index` module
+([Module: middleware-index.js])::  Server is listening on port 3000
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `moduleFileName` | `string` |
+
+#### Returns
+
+`Logger`
+
+#### Defined in
+
+[commons/logger.ts:62](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/logger.ts#L62)
+
+[fake-pev-shopping](#readmemd) / [types](#modulestypesmd) / <internal\>
+
+# Namespace: <internal\>
+
+[types](#modulestypesmd).<internal>
+
+## Table of contents
+
+### Classes
+
+- [StorageService](#classestypes_internal_storageservicemd)
+- [StoreService](#classestypes_internal_storeservicemd)
+- [UserAccount](#classestypes_internal_useraccountmd)
+- [UserAuthToken](#classestypes_internal_userauthtokenmd)
+- [UserCart](#classestypes_internal_usercartmd)
+
+### Interfaces
+
+- [ICustomResExt](#interfacestypes_internal_icustomresextmd)
+- [IEmbracedResponse](#interfacestypes_internal_iembracedresponsemd)
+
+### Type Aliases
+
+- [TStorageValue](#tstoragevalue)
+- [TUserCartProduct](#tusercartproduct)
+- [TUserPublic](#tuserpublic)
+
+### Variables
+
+- [storageService](#storageservice)
+- [storeService](#storeservice)
+- [userSessionService](#usersessionservice)
+
+## Type Aliases
+
+### TStorageValue
+
+Ƭ **TStorageValue**: [`IUserCart`](#interfacestypesiusercartmd) \| [`TUserPublic`](#tuserpublic) \| `NonNullable`<`IUser`[``"tokens"``][``"auth"``]\>[`number`] \| ``null``
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:9](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L9)
+
+___
+
+### TUserCartProduct
+
+Ƭ **TUserCartProduct**: [`IUserCart`](#interfacestypesiusercartmd)[``"products"``][`number`] & { `count`: `number`  }
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L17)
+
+___
+
+### TUserPublic
+
+Ƭ **TUserPublic**: `Pick`<`IUser`, ``"login"`` \| ``"email"`` \| ``"observedProductsIDs"``\> & { `_id`: `Schema.Types.ObjectId` ; `accountType`: `NonNullable`<`IUser`[``"accountType"``]\>[``"roleName"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:242](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L242)
+
+## Variables
+
+### storageService
+
+• `Const` **storageService**: `Object`
+
+Manipulating storage data API for various contexts, such as `UserCart` or `UserAccount`.
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `userAccount` | [`UserAccount`](#classestypes_internal_useraccountmd) |
+| `userAuthToken` | [`UserAuthToken`](#classestypes_internal_userauthtokenmd) |
+| `userCart` | [`UserCart`](#classestypes_internal_usercartmd) |
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L14)
+
+___
+
+### storeService
+
+• `Const` **storeService**: [`StoreService`](#classestypes_internal_storeservicemd)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:169](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L169)
+
+___
+
+### userSessionService
+
+• `Const` **userSessionService**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `logIn` | (`logInCredentials`: `Pick`<`IUser`, ``"login"`` \| ``"password"``\>) => `Promise`<[`TUserPublic`](#tuserpublic) \| `Pick`<[`ICustomResExt`](#interfacestypes_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `logOut` | () => `Promise`<`Pick`<[`ICustomResExt`](#interfacestypes_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacestypes_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacestypes_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `logOutFromMultipleSessions` | (`shouldPreserveCurrentSession`: `boolean`) => `Promise`<`Pick`<[`ICustomResExt`](#interfacestypes_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacestypes_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacestypes_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `restoreSession` | () => `void` |
+
+#### Defined in
+
+[src/frontend/features/userSessionService.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/userSessionService.ts#L12)
+
+[fake-pev-shopping](#readmemd) / types
+
+# Module: types
+
+Common types for whole app.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulestypes_internal_md)
+
+### Enumerations
+
+- [HTTP\_STATUS\_CODE](#enumstypeshttp_status_codemd)
+
+### Interfaces
+
+- [IOrder](#interfacestypesiordermd)
+- [IPayByLinkMethod](#interfacestypesipaybylinkmethodmd)
+- [IProductInOrder](#interfacestypesiproductinordermd)
+- [IUserCart](#interfacestypesiusercartmd)
+
+### Type Aliases
+
+- [TPagination](#tpagination)
+
+## Type Aliases
+
+### TPagination
+
+Ƭ **TPagination**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `pageNumber` | `number` |
+| `productsPerPage` | `number` |
+
+#### Defined in
+
+[commons/types.ts:81](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L81)
diff --git a/api-docs/database.md b/api-docs/database.md
new file mode 100644
index 00000000..3658adf0
--- /dev/null
+++ b/api-docs/database.md
@@ -0,0 +1,575 @@
+fake-pev-shopping
+
+# fake-pev-shopping
+
+## Table of contents
+
+### Modules
+
+- [api](#modulesapimd)
+- [models](#modulesmodelsmd)
+- [populate/populate](#modulespopulate_populatemd)
+
+[fake-pev-shopping](#readmemd) / [api](#modulesapimd) / <internal\>
+
+# Namespace: <internal\>
+
+[api](#modulesapimd).<internal>
+
+## Table of contents
+
+### Type Aliases
+
+- [TPaginateModel](#tpaginatemodel)
+- [TPaginationConfig](#tpaginationconfig)
+
+### Functions
+
+- [getPaginatedItems](#getpaginateditems)
+
+## Type Aliases
+
+### TPaginateModel
+
+Ƭ **TPaginateModel**: `PaginateModel`<[`TDocuments`](#tdocuments)\>
+
+#### Defined in
+
+[src/database/utils/paginateItemsFromDB.ts:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/utils/paginateItemsFromDB.ts#L26)
+
+___
+
+### TPaginationConfig
+
+Ƭ **TPaginationConfig**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `limit` | `number` |
+| `page` | `number` |
+
+#### Defined in
+
+[src/database/utils/paginateItemsFromDB.ts:25](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/utils/paginateItemsFromDB.ts#L25)
+
+## Functions
+
+### getPaginatedItems
+
+▸ **getPaginatedItems**(`__namedParameters`, `itemQuery`, `projection`): `Promise`<`PaginateResult`<`IProduct` \| `IUser` \| `IUserRole`\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+| `__namedParameters.Model` | [`TPaginateModel`](#tpaginatemodel) |
+| `__namedParameters.pagination` | [`TPaginationConfig`](#tpaginationconfig) |
+| `__namedParameters.sort?` | [`TSort`](#tsort) |
+| `itemQuery` | `undefined` \| `MongooseFilterQuery`<`Pick`<`IProduct` \| `IUser` \| `IUserRole`, ``"_id"``\>\> |
+| `projection` | `any` |
+
+#### Returns
+
+`Promise`<`PaginateResult`<`IProduct` \| `IUser` \| `IUserRole`\>\>
+
+#### Defined in
+
+[src/database/utils/paginateItemsFromDB.ts:5](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/utils/paginateItemsFromDB.ts#L5)
+
+[fake-pev-shopping](#readmemd) / api
+
+# Module: api
+
+Facade over database CRUD operations.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesapi_internal_md)
+
+### Functions
+
+- [deleteFromDB](#deletefromdb)
+- [getFromDB](#getfromdb)
+- [saveToDB](#savetodb)
+- [updateOneModelInDB](#updateonemodelindb)
+
+## Functions
+
+### deleteFromDB
+
+▸ **deleteFromDB**(`modelName`, `fieldValue`): `Promise`<{} & { `deletedCount?`: `number`  }\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `modelName` | ``"Product"`` \| ``"User"`` \| ``"User_Role"`` |
+| `fieldValue` | `string` \| `RegExp` |
+
+#### Returns
+
+`Promise`<{} & { `deletedCount?`: `number`  }\>
+
+#### Defined in
+
+[src/database/api.ts:150](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/api.ts#L150)
+
+___
+
+### getFromDB
+
+▸ **getFromDB**<`T`\>(`config`, `itemQuery`, `projection?`): `Promise`<`T` \| `ReturnType`<typeof `Model.distinct`\> \| `ReturnType`<typeof [`getPaginatedItems`](#getpaginateditems)\> \| ``null``\>
+
+#### Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `T` | extends `IProduct` \| `IUser` \| `IUserRole` |
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `config` | `Object` |
+| `config.findMultiple?` | `boolean` |
+| `config.isDistinct?` | `boolean` |
+| `config.modelName` | ``"Product"`` \| ``"User"`` \| ``"User_Role"`` |
+| `config.pagination?` | [`TPaginationConfig`](#tpaginationconfig) |
+| `config.population?` | `string` \| `ModelPopulateOptions` \| `ModelPopulateOptions`[] |
+| `config.sort?` | [`TSort`](#tsort) |
+| `itemQuery` | `string` \| `MongooseFilterQuery`<`Pick`<`unknown`, `never`\>\> |
+| `projection?` | `unknown` |
+
+#### Returns
+
+`Promise`<`T` \| `ReturnType`<typeof `Model.distinct`\> \| `ReturnType`<typeof [`getPaginatedItems`](#getpaginateditems)\> \| ``null``\>
+
+#### Defined in
+
+[src/database/api.ts:38](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/api.ts#L38)
+
+___
+
+### saveToDB
+
+▸ **saveToDB**(`modelName`, `itemData`): `Promise`<`IProduct` \| `IUser` \| `IUserRole`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `modelName` | ``"Product"`` \| ``"User"`` \| ``"User_Role"`` |
+| `itemData` | `unknown` |
+
+#### Returns
+
+`Promise`<`IProduct` \| `IUser` \| `IUserRole`\>
+
+#### Defined in
+
+[src/database/api.ts:25](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/api.ts#L25)
+
+___
+
+### updateOneModelInDB
+
+▸ **updateOneModelInDB**(`modelName`, `itemQuery`, `updateData`): `Promise`<``null`` \| `IProduct` \| `IUser` \| `IUserRole`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `modelName` | ``"Product"`` \| ``"User"`` \| ``"User_Role"`` |
+| `itemQuery` | `string` \| `MongooseFilterQuery`<`Pick`<`IProduct`, ``"technicalSpecs"`` \| ``"_id"`` \| ``"name"`` \| ``"url"`` \| ``"category"`` \| ``"price"`` \| ``"shortDescription"`` \| ``"images"`` \| ``"relatedProductsNames"`` \| ``"reviews"`` \| ``"prepareUrlFieldBasedOnNameField"``\>\> \| `MongooseFilterQuery`<`Pick`<`IUser`, ``"_id"`` \| ``"login"`` \| ``"email"`` \| ``"observedProductsIDs"`` \| ``"password"`` \| ``"isConfirmed"`` \| ``"tokens"`` \| ``"accountType"`` \| ``"generateAuthToken"`` \| ``"matchPassword"`` \| ``"setSingleToken"`` \| ``"deleteSingleToken"`` \| ``"confirmUser"`` \| ``"addProductToObserved"`` \| ``"removeProductFromObserved"`` \| ``"removeAllProductsFromObserved"``\>\> \| `MongooseFilterQuery`<`Pick`<`IUserRole`, ``"_id"`` \| ``"roleName"`` \| ``"owners"``\>\> |
+| `updateData` | `Object` |
+| `updateData.action` | `string` |
+| `updateData.data` | `unknown` |
+
+#### Returns
+
+`Promise`<``null`` \| `IProduct` \| `IUser` \| `IUserRole`\>
+
+#### Defined in
+
+[src/database/api.ts:110](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/api.ts#L110)
+
+[fake-pev-shopping](#readmemd) / [models](#modulesmodelsmd) / <internal\>
+
+# Namespace: <internal\>
+
+[models](#modulesmodelsmd).<internal>
+
+[fake-pev-shopping](#readmemd) / models
+
+# Module: models
+
+Groups and re-exports lower level types and values related to working with database'es models.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesmodels_internal_md)
+
+### Type Aliases
+
+- [TCOLLECTION\_NAMES](#tcollection_names)
+- [TDocuments](#tdocuments)
+- [TProductModel](#tproductmodel)
+- [TProductPublic](#tproductpublic)
+- [TProductToPopulate](#tproducttopopulate)
+- [TSort](#tsort)
+- [TUserModel](#tusermodel)
+- [TUserPublic](#tuserpublic)
+- [TUserRegistrationCredentials](#tuserregistrationcredentials)
+- [TUserRoleModel](#tuserrolemodel)
+- [TUserRoleName](#tuserrolename)
+- [TUserRoleToPopulate](#tuserroletopopulate)
+- [TUserToPopulate](#tusertopopulate)
+
+### Variables
+
+- [COLLECTION\_NAMES](#collection_names)
+- [ProductModel](#productmodel)
+- [USER\_ROLES\_MAP](#user_roles_map)
+- [UserModel](#usermodel)
+- [UserRoleModel](#userrolemodel)
+
+### Functions
+
+- [getModel](#getmodel)
+- [isValidObjectId](#isvalidobjectid)
+
+## Type Aliases
+
+### TCOLLECTION\_NAMES
+
+Ƭ **TCOLLECTION\_NAMES**: keyof typeof [`COLLECTION_NAMES`](#collection_names)
+
+#### Defined in
+
+[src/database/models/__core-and-commons.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/__core-and-commons.ts#L17)
+
+___
+
+### TDocuments
+
+Ƭ **TDocuments**: `IProduct` \| `IUser` \| `IUserRole`
+
+#### Defined in
+
+[src/database/models/index.ts:18](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/index.ts#L18)
+
+___
+
+### TProductModel
+
+Ƭ **TProductModel**: typeof [`ProductModel`](#productmodel)
+
+#### Defined in
+
+[src/database/models/_product.ts:155](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_product.ts#L155)
+
+___
+
+### TProductPublic
+
+Ƭ **TProductPublic**: `Pick`<`IProduct`, ``"name"`` \| ``"url"`` \| ``"category"`` \| ``"price"`` \| ``"shortDescription"`` \| ``"technicalSpecs"`` \| ``"relatedProductsNames"``\>
+
+#### Defined in
+
+[src/database/models/_product.ts:157](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_product.ts#L157)
+
+___
+
+### TProductToPopulate
+
+Ƭ **TProductToPopulate**: `Exclude`<`IProduct`, ``"prepareUrlFieldBasedOnNameField"``\>
+
+#### Defined in
+
+[src/database/models/_product.ts:162](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_product.ts#L162)
+
+___
+
+### TSort
+
+Ƭ **TSort**: `Object`
+
+#### Index signature
+
+▪ [key: `string`]: ``1`` \| ``-1``
+
+#### Defined in
+
+[src/database/models/index.ts:19](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/index.ts#L19)
+
+___
+
+### TUserModel
+
+Ƭ **TUserModel**: typeof [`UserModel`](#usermodel)
+
+#### Defined in
+
+[src/database/models/_user.ts:240](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L240)
+
+___
+
+### TUserPublic
+
+Ƭ **TUserPublic**: `Pick`<`IUser`, ``"login"`` \| ``"email"`` \| ``"observedProductsIDs"``\> & { `_id`: `Schema.Types.ObjectId` ; `accountType`: `NonNullable`<`IUser`[``"accountType"``]\>[``"roleName"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:242](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L242)
+
+___
+
+### TUserRegistrationCredentials
+
+Ƭ **TUserRegistrationCredentials**: `Pick`<`IUser`, ``"login"`` \| ``"password"`` \| ``"email"``\> & { `repeatedPassword`: `IUser`[``"password"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:285](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L285)
+
+___
+
+### TUserRoleModel
+
+Ƭ **TUserRoleModel**: typeof [`UserRoleModel`](#userrolemodel)
+
+#### Defined in
+
+[src/database/models/_userRole.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_userRole.ts#L39)
+
+___
+
+### TUserRoleName
+
+Ƭ **TUserRoleName**: keyof typeof [`USER_ROLES_MAP`](#user_roles_map)
+
+#### Defined in
+
+[src/database/models/__core-and-commons.ts:24](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/__core-and-commons.ts#L24)
+
+___
+
+### TUserRoleToPopulate
+
+Ƭ **TUserRoleToPopulate**: `Omit`<`IUserRole`, keyof `Document`\>
+
+#### Defined in
+
+[src/database/models/_userRole.ts:49](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_userRole.ts#L49)
+
+___
+
+### TUserToPopulate
+
+Ƭ **TUserToPopulate**: `Pick`<`IUser`, ``"login"`` \| ``"password"`` \| ``"email"`` \| ``"isConfirmed"``\> & { `__accountType`: [`TUserRoleName`](#tuserrolename)  }
+
+#### Defined in
+
+[src/database/models/_user.ts:247](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L247)
+
+## Variables
+
+### COLLECTION\_NAMES
+
+• `Const` **COLLECTION\_NAMES**: `Readonly`<{ `Product`: ``"Product"`` = 'Product'; `User`: ``"User"`` = 'User'; `User_Role`: ``"User_Role"`` = 'User\_Role' }\>
+
+#### Defined in
+
+[src/database/models/__core-and-commons.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/__core-and-commons.ts#L12)
+
+___
+
+### ProductModel
+
+• `Const` **ProductModel**: `Model`<`IProduct`, {}\>
+
+#### Defined in
+
+[src/database/models/_product.ts:154](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_product.ts#L154)
+
+___
+
+### USER\_ROLES\_MAP
+
+• `Const` **USER\_ROLES\_MAP**: `Readonly`<{ `client`: ``"client"`` = 'client'; `seller`: ``"seller"`` = 'seller' }\>
+
+#### Defined in
+
+[src/database/models/__core-and-commons.ts:20](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/__core-and-commons.ts#L20)
+
+___
+
+### UserModel
+
+• `Const` **UserModel**: `IUserModel`
+
+#### Defined in
+
+[src/database/models/_user.ts:239](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L239)
+
+___
+
+### UserRoleModel
+
+• `Const` **UserRoleModel**: `Model`<`IUserRole`, {}\>
+
+#### Defined in
+
+[src/database/models/_userRole.ts:38](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_userRole.ts#L38)
+
+## Functions
+
+### getModel
+
+▸ **getModel**<`T`\>(`modelName`): { `Product`: `Model`<`IProduct`, {}\> = ProductModel; `User`: `IUserModel` = UserModel; `User_Role`: `Model`<`IUserRole`, {}\> = UserRoleModel }[`T`]
+
+#### Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `T` | extends ``"Product"`` \| ``"User"`` \| ``"User_Role"`` |
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `modelName` | `T` |
+
+#### Returns
+
+{ `Product`: `Model`<`IProduct`, {}\> = ProductModel; `User`: `IUserModel` = UserModel; `User_Role`: `Model`<`IUserRole`, {}\> = UserRoleModel }[`T`]
+
+#### Defined in
+
+[src/database/models/index.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/index.ts#L17)
+
+___
+
+### isValidObjectId
+
+▸ **isValidObjectId**(`value`): `boolean`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value` | `any` |
+
+#### Returns
+
+`boolean`
+
+#### Defined in
+
+[src/database/models/__core-and-commons.ts:8](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/__core-and-commons.ts#L8)
+
+[fake-pev-shopping](#readmemd) / populate/populate
+
+# Module: populate/populate
+
+Populates database with indicated initial data, optionally doing a cleanup beforehand.
+
+**`example`** npm usage
+```sh
+npm run populate-db
+```
+
+**`example`** Manual CLI usage
+```sh
+ts-node src/database/populate/populate.tspopulate.ts \
+   executedFromCLI=true \
+   products__InputPath=path/to/JSON/with/initial/products/data
+```
+
+## Table of contents
+
+### Variables
+
+- [DEFAULT\_PARAMS](#default_params)
+- [PARAMS](#params)
+
+### Functions
+
+- [executeDBPopulation](#executedbpopulation)
+
+## Variables
+
+### DEFAULT\_PARAMS
+
+• `Const` **DEFAULT\_PARAMS**: `Object`
+
+Maps default params, which are applied when regarding individual params are not provided via CLI.
+
+**`notexported`**
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `cleanAllBefore` | ``"true"`` |
+| `products__InputPath` | ``"./initialData/products.json"`` |
+| `user_roles__InputPath` | ``"./initialData/user_roles.json"`` |
+| `users__InputPath` | ``"./initialData/users.json"`` |
+
+#### Defined in
+
+[src/database/populate/populate.ts:48](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/populate/populate.ts#L48)
+
+___
+
+### PARAMS
+
+• `Const` **PARAMS**: `Object`
+
+Maps supported params passed via CLI.
+
+**`notexported`**
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `CLEAN_ALL_BEFORE` | ``"cleanAllBefore"`` |
+| `EXECUTED_FROM_CLI` | ``"executedFromCLI"`` |
+| `JSON_FILE_PATH` | { `PRODUCTS`: ``"products__InputPath"`` = 'products\_\_InputPath'; `USERS`: ``"users__InputPath"`` = 'users\_\_InputPath'; `USER_ROLES`: ``"user_roles__InputPath"`` = 'user\_roles\_\_InputPath' } |
+| `JSON_FILE_PATH.PRODUCTS` | ``"products__InputPath"`` |
+| `JSON_FILE_PATH.USERS` | ``"users__InputPath"`` |
+| `JSON_FILE_PATH.USER_ROLES` | ``"user_roles__InputPath"`` |
+
+#### Defined in
+
+[src/database/populate/populate.ts:35](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/populate/populate.ts#L35)
+
+## Functions
+
+### executeDBPopulation
+
+▸ **executeDBPopulation**(`shouldCleanupAll?`): `Promise`<`boolean`\>
+
+Executes database population. May be called from other module or it's automatically called when this script is run from CLI.
+
+#### Parameters
+
+| Name | Type | Default value | Description |
+| :------ | :------ | :------ | :------ |
+| `shouldCleanupAll` | `boolean` | `false` | Decides whether do database cleanup. Passing `PARAMS.CLEAN_ALL_BEFORE` via CLI is an alternative way to do cleanup. |
+
+#### Returns
+
+`Promise`<`boolean`\>
+
+#### Defined in
+
+[src/database/populate/populate.ts:117](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/populate/populate.ts#L117)
diff --git a/api-docs/frontend.md b/api-docs/frontend.md
new file mode 100644
index 00000000..309956fa
--- /dev/null
+++ b/api-docs/frontend.md
@@ -0,0 +1,2787 @@
+fake-pev-shopping
+
+# fake-pev-shopping
+
+## Table of contents
+
+### Modules
+
+- [components/pages/\_routes](#modulescomponents_pages__routesmd)
+- [components/utils/bodyObserver](#modulescomponents_utils_bodyobservermd)
+- [components/utils/flexibleList](#modulescomponents_utils_flexiblelistmd)
+- [components/utils/pagination](#modulescomponents_utils_paginationmd)
+- [components/utils/pevElements](#modulescomponents_utils_pevelementsmd)
+- [components/utils/popup](#modulescomponents_utils_popupmd)
+- [components/utils/ratingWidget](#modulescomponents_utils_ratingwidgetmd)
+- [components/utils/scroller](#modulescomponents_utils_scrollermd)
+- [contexts/rwd-layout](#modulescontexts_rwd_layoutmd)
+- [features/httpService](#modulesfeatures_httpservicemd)
+- [features/storageService](#modulesfeatures_storageservicemd)
+- [features/storeService](#modulesfeatures_storeservicemd)
+- [features/userSessionService](#modulesfeatures_usersessionservicemd)
+
+[fake-pev-shopping](#readmemd) / [components/pages/\_routes](#modulescomponents_pages__routesmd) / [<internal\>](#modulescomponents_pages__routes_internal_md) / StoreService
+
+# Class: StoreService
+
+[components/pages/_routes](#modulescomponents_pages__routesmd).[<internal>](#modulescomponents_pages__routes_internal_md).StoreService
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Accessors
+
+- [productComparisonState](#productcomparisonstate)
+- [userAccountState](#useraccountstate)
+- [userCartProducts](#usercartproducts)
+- [userCartProductsCount](#usercartproductscount)
+- [userCartState](#usercartstate)
+- [userCartTotalPrice](#usercarttotalprice)
+
+### Methods
+
+- [addProductToUserCartState](#addproducttousercartstate)
+- [clearProductComparisonState](#clearproductcomparisonstate)
+- [clearProductObservedState](#clearproductobservedstate)
+- [clearUserAccountState](#clearuseraccountstate)
+- [clearUserCartState](#clearusercartstate)
+- [removeProductFromUserCartState](#removeproductfromusercartstate)
+- [replaceUserCartState](#replaceusercartstate)
+- [updateProductComparisonState](#updateproductcomparisonstate)
+- [updateProductObservedState](#updateproductobservedstate)
+- [updateUserAccountState](#updateuseraccountstate)
+
+## Constructors
+
+### constructor
+
+• **new StoreService**()
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:27](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L27)
+
+## Accessors
+
+### productComparisonState
+
+• `get` **productComparisonState**(): [`TUserCartProduct`](#tusercartproduct)[]
+
+#### Returns
+
+[`TUserCartProduct`](#tusercartproduct)[]
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:143](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L143)
+
+___
+
+### userAccountState
+
+• `get` **userAccountState**(): ``null`` \| [`TUserPublic`](#tuserpublic)
+
+#### Returns
+
+``null`` \| [`TUserPublic`](#tuserpublic)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:139](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L139)
+
+___
+
+### userCartProducts
+
+• `get` **userCartProducts**(): { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Returns
+
+{ `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:127](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L127)
+
+___
+
+### userCartProductsCount
+
+• `get` **userCartProductsCount**(): `number`
+
+#### Returns
+
+`number`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:135](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L135)
+
+___
+
+### userCartState
+
+• `get` **userCartState**(): [`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd)
+
+#### Returns
+
+[`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:123](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L123)
+
+___
+
+### userCartTotalPrice
+
+• `get` **userCartTotalPrice**(): `number`
+
+#### Returns
+
+`number`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:131](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L131)
+
+## Methods
+
+### addProductToUserCartState
+
+▸ **addProductToUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`TUserCartProduct`](#tusercartproduct) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:47](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L47)
+
+___
+
+### clearProductComparisonState
+
+▸ **clearProductComparisonState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:111](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L111)
+
+___
+
+### clearProductObservedState
+
+▸ **clearProductObservedState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:119](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L119)
+
+___
+
+### clearUserAccountState
+
+▸ **clearUserAccountState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:43](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L43)
+
+___
+
+### clearUserCartState
+
+▸ **clearUserCartState**(): `void`
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:81](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L81)
+
+___
+
+### removeProductFromUserCartState
+
+▸ **removeProductFromUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`TUserCartProduct`](#tusercartproduct) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:61](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L61)
+
+___
+
+### replaceUserCartState
+
+▸ **replaceUserCartState**(`newUserCartState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newUserCartState` | [`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:88](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L88)
+
+___
+
+### updateProductComparisonState
+
+▸ **updateProductComparisonState**(`__namedParameters`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+| `__namedParameters.add` | [`TUserCartProduct`](#tusercartproduct) |
+| `__namedParameters.remove` | `Partial`<{ `_id`: `string` ; `index`: `number`  }\> |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:94](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L94)
+
+___
+
+### updateProductObservedState
+
+▸ **updateProductObservedState**(`observedProductsIDs`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `observedProductsIDs` | `undefined` \| `ObjectId`[] |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:115](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L115)
+
+___
+
+### updateUserAccountState
+
+▸ **updateUserAccountState**(`userAccountState`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `userAccountState` | [`TUserPublic`](#tuserpublic) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L39)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / [<internal\>](#modulesfeatures_httpservice_internal_md) / Ajax
+
+# Class: Ajax
+
+[features/httpService](#modulesfeatures_httpservicemd).[<internal>](#modulesfeatures_httpservice_internal_md).Ajax
+
+Handles (low level) HTTP actions as:
+- setting appropriate headers,
+- assembling requests regarding URL, params, payload, etc. according to used HTTP method and backend expectance,
+- initially parsing responses,
+- initially handling HTTP errors.
+
+## Hierarchy
+
+- **`Ajax`**
+
+  ↳ [`HttpService`](#classesfeatures_httpservice_internal_httpservicemd)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / [<internal\>](#modulesfeatures_httpservice_internal_md) / HttpService
+
+# Class: HttpService
+
+[features/httpService](#modulesfeatures_httpservicemd).[<internal>](#modulesfeatures_httpservice_internal_md).HttpService
+
+Intermediates (high level) client actions meant to communicate with backend APIs.
+
+## Hierarchy
+
+- [`Ajax`](#classesfeatures_httpservice_internal_ajaxmd)
+
+  ↳ **`HttpService`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [URLS](#urls)
+
+### Methods
+
+- [\_preparePaginationParams](#_preparepaginationparams)
+- [addProduct](#addproduct)
+- [addProductReview](#addproductreview)
+- [addProductToObserved](#addproducttoobserved)
+- [changePassword](#changepassword)
+- [confirmRegistration](#confirmregistration)
+- [deleteProduct](#deleteproduct)
+- [getCurrentUser](#getcurrentuser)
+- [getObservedProducts](#getobservedproducts)
+- [getProductByUrl](#getproductbyurl)
+- [getProductCategories](#getproductcategories)
+- [getProducts](#getproducts)
+- [getProductsById](#getproductsbyid)
+- [getProductsByName](#getproductsbyname)
+- [getProductsByNames](#getproductsbynames)
+- [getProductsSpecifications](#getproductsspecifications)
+- [getUserRoles](#getuserroles)
+- [logOutUserFromSessions](#logoutuserfromsessions)
+- [loginUser](#loginuser)
+- [logoutUser](#logoutuser)
+- [makeOrder](#makeorder)
+- [modifyProduct](#modifyproduct)
+- [registerUser](#registeruser)
+- [removeAllProductsFromObserved](#removeallproductsfromobserved)
+- [removeProductFromObserved](#removeproductfromobserved)
+- [resendConfirmRegistration](#resendconfirmregistration)
+- [resendResetPassword](#resendresetpassword)
+- [resetPassword](#resetpassword)
+- [setNewPassword](#setnewpassword)
+
+## Constructors
+
+### constructor
+
+• **new HttpService**()
+
+#### Overrides
+
+Ajax.constructor
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:236](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L236)
+
+## Properties
+
+### URLS
+
+• `Private` **URLS**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `ORDERS` | ``"orders"`` |
+| `PRODUCTS` | ``"products"`` |
+| `PRODUCTS_SPECS` | ``"products/specs"`` |
+| `PRODUCT_CATEGORIES` | ``"productCategories"`` |
+| `USERS` | ``"users"`` |
+| `USER_ROLES` | ``"user-roles"`` |
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:227](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L227)
+
+## Methods
+
+### \_preparePaginationParams
+
+▸ **_preparePaginationParams**(`searchParams`, `pagination?`): `void`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `searchParams` | `URLSearchParams` |
+| `pagination?` | [`TPagination`](#tpagination) |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:240](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L240)
+
+___
+
+### addProduct
+
+▸ **addProduct**(`product`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Adds a new product.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `product` | `IProduct` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:254](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L254)
+
+___
+
+### addProductReview
+
+▸ **addProductReview**(`productName`, `productReview`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Adds a new review to chosen product.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `productName` | `string` |
+| `productReview` | `IReviews` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:383](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L383)
+
+___
+
+### addProductToObserved
+
+▸ **addProductToObserved**(`productId`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Adds product to observed by user, so they can more conveniently find it later.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `productId` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:496](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L496)
+
+___
+
+### changePassword
+
+▸ **changePassword**(`password`, `newPassword`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Changes user's current password to a new one.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `password` | `string` |
+| `newPassword` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:489](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L489)
+
+___
+
+### confirmRegistration
+
+▸ **confirmRegistration**(`token`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Confirms a newly registered user via token received on their email.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `token` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:468](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L468)
+
+___
+
+### deleteProduct
+
+▸ **deleteProduct**(`productName`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Delets a product via it's name.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `productName` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:390](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L390)
+
+___
+
+### getCurrentUser
+
+▸ **getCurrentUser**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets info about currently logged in user via it's ID taken from app's state.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:397](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L397)
+
+___
+
+### getObservedProducts
+
+▸ **getObservedProducts**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Retrieves all observed products by user.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:517](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L517)
+
+___
+
+### getProductByUrl
+
+▸ **getProductByUrl**(`url`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets product by it's URL - mostly useful for retrieving product from browser's address bar.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `url` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:337](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L337)
+
+___
+
+### getProductCategories
+
+▸ **getProductCategories**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets categories of all products.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:353](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L353)
+
+___
+
+### getProducts
+
+▸ **getProducts**(`initialSearchParams`, `customSearchParamsSerialization?`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets products according to optional constraints like: name, price, pagination etc.
+
+#### Parameters
+
+| Name | Type | Default value |
+| :------ | :------ | :------ |
+| `initialSearchParams` | `Partial`<{ `name`: `string` ; `pagination`: [`TPagination`](#tpagination) ; `price`: [`number`, `number`] ; `productCategories`: `string` ; `productTechnicalSpecs`: `string` ; `sortBy`: `string`  }\> | `undefined` |
+| `customSearchParamsSerialization` | `boolean` | `false` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:261](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L261)
+
+___
+
+### getProductsById
+
+▸ **getProductsById**(`idList`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `idList` | `any`[] |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:305](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L305)
+
+___
+
+### getProductsByName
+
+▸ **getProductsByName**(`name`, `pagination`, `getOnlyEssentialData?`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets products by a single name - mostly useful for search feature.
+
+#### Parameters
+
+| Name | Type | Default value |
+| :------ | :------ | :------ |
+| `name` | `string` | `undefined` |
+| `pagination` | [`TPagination`](#tpagination) | `undefined` |
+| `getOnlyEssentialData` | `boolean` | `true` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:324](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L324)
+
+___
+
+### getProductsByNames
+
+▸ **getProductsByNames**(`nameList`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets products by list of names - mostly useful for retrieving related products of a single one.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `nameList` | `string`[] |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:312](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L312)
+
+___
+
+### getProductsSpecifications
+
+▸ **getProductsSpecifications**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\> \| [`TProductTechnicalSpecs`](#tproducttechnicalspecs)\>
+
+Gets technical specifications of all products.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\> \| [`TProductTechnicalSpecs`](#tproducttechnicalspecs)\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:360](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L360)
+
+___
+
+### getUserRoles
+
+▸ **getUserRoles**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Gets all user roles.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:454](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L454)
+
+___
+
+### logOutUserFromSessions
+
+▸ **logOutUserFromSessions**(`preseveCurrentSession?`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Loggs out user from all sessions; current session can be preserved if `preseveCurrentSession` param is true.
+
+#### Parameters
+
+| Name | Type | Default value |
+| :------ | :------ | :------ |
+| `preseveCurrentSession` | `boolean` | `false` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:447](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L447)
+
+___
+
+### loginUser
+
+▸ **loginUser**(`loginCredentials`): `Promise`<[`TUserPublic`](#tuserpublic) \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Logs in user based on their login and password credentials.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `loginCredentials` | `Object` |
+| `loginCredentials.login` | `string` |
+| `loginCredentials.password` | `string` |
+
+#### Returns
+
+`Promise`<[`TUserPublic`](#tuserpublic) \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:417](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L417)
+
+___
+
+### logoutUser
+
+▸ **logoutUser**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Loggs out user from current session.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:440](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L440)
+
+___
+
+### makeOrder
+
+▸ **makeOrder**(`orderDetails`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Starts the process of making a new purchase according to given order details.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `orderDetails` | [`IOrder`](#interfacesfeatures_httpservice_internal_iordermd) |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:410](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L410)
+
+___
+
+### modifyProduct
+
+▸ **modifyProduct**(`productName`, `productModifications`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Modifies product.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `productName` | `string` |
+| `productModifications` | `Partial`<`IProduct`\> |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:369](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L369)
+
+___
+
+### registerUser
+
+▸ **registerUser**(`registrationCredentials`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Registers a new user according to provided credentials.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `registrationCredentials` | [`TUserRegistrationCredentials`](#tuserregistrationcredentials) |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:461](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L461)
+
+___
+
+### removeAllProductsFromObserved
+
+▸ **removeAllProductsFromObserved**(): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Removes all products from observed by user.
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:510](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L510)
+
+___
+
+### removeProductFromObserved
+
+▸ **removeProductFromObserved**(`productId`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Removes product from observed by user.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `productId` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:503](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L503)
+
+___
+
+### resendConfirmRegistration
+
+▸ **resendConfirmRegistration**(`email`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Resends registration confirmation email.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `email` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:475](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L475)
+
+___
+
+### resendResetPassword
+
+▸ **resendResetPassword**(`email`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Resends (repeats) resetting user password via it's email.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `email` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:433](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L433)
+
+___
+
+### resetPassword
+
+▸ **resetPassword**(`email`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Resets user password via it's email.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `email` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:426](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L426)
+
+___
+
+### setNewPassword
+
+▸ **setNewPassword**(`newPassword`, `token`): `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+Sets a new password for user - mostly after reseting password.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `newPassword` | `string` |
+| `token` | `string` |
+
+#### Returns
+
+`Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:482](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L482)
+
+[fake-pev-shopping](#readmemd) / [features/storageService](#modulesfeatures_storageservicemd) / [<internal\>](#modulesfeatures_storageservice_internal_md) / StorageService
+
+# Class: StorageService
+
+[features/storageService](#modulesfeatures_storageservicemd).[<internal>](#modulesfeatures_storageservice_internal_md).StorageService
+
+## Hierarchy
+
+- **`StorageService`**
+
+  ↳ [`UserCart`](#classesfeatures_storageservice_internal_usercartmd)
+
+  ↳ [`UserAccount`](#classesfeatures_storageservice_internal_useraccountmd)
+
+  ↳ [`UserAuthToken`](#classesfeatures_storageservice_internal_userauthtokenmd)
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new StorageService**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:18](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L18)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`value`, `checkIfShouldRemove`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value` | [`TStorageValue`](#tstoragevalue) |
+| `checkIfShouldRemove` | () => `boolean` |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L26)
+
+[fake-pev-shopping](#readmemd) / [features/storageService](#modulesfeatures_storageservicemd) / [<internal\>](#modulesfeatures_storageservice_internal_md) / UserAccount
+
+# Class: UserAccount
+
+[features/storageService](#modulesfeatures_storageservicemd).[<internal>](#modulesfeatures_storageservice_internal_md).UserAccount
+
+## Hierarchy
+
+- [`StorageService`](#classesfeatures_storageservice_internal_storageservicemd)
+
+  ↳ **`UserAccount`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserAccount**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:70](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L70)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`accountState`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `accountState` | [`TUserPublic`](#tuserpublic) |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:74](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L74)
+
+[fake-pev-shopping](#readmemd) / [features/storageService](#modulesfeatures_storageservicemd) / [<internal\>](#modulesfeatures_storageservice_internal_md) / UserAuthToken
+
+# Class: UserAuthToken
+
+[features/storageService](#modulesfeatures_storageservicemd).[<internal>](#modulesfeatures_storageservice_internal_md).UserAuthToken
+
+## Hierarchy
+
+- [`StorageService`](#classesfeatures_storageservice_internal_storageservicemd)
+
+  ↳ **`UserAuthToken`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserAuthToken**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:80](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L80)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`authToken`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `authToken` | `string` |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:84](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L84)
+
+[fake-pev-shopping](#readmemd) / [features/storageService](#modulesfeatures_storageservicemd) / [<internal\>](#modulesfeatures_storageservice_internal_md) / UserCart
+
+# Class: UserCart
+
+[features/storageService](#modulesfeatures_storageservicemd).[<internal>](#modulesfeatures_storageservice_internal_md).UserCart
+
+## Hierarchy
+
+- [`StorageService`](#classesfeatures_storageservice_internal_storageservicemd)
+
+  ↳ **`UserCart`**
+
+## Table of contents
+
+### Constructors
+
+- [constructor](#constructor)
+
+### Properties
+
+- [key](#key)
+
+### Methods
+
+- [get](#get)
+- [remove](#remove)
+- [update](#update)
+
+## Constructors
+
+### constructor
+
+• **new UserCart**(`key`)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `key` | `string` |
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[constructor](#constructor)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:60](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L60)
+
+## Properties
+
+### key
+
+• **key**: `string`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[key](#key)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L16)
+
+## Methods
+
+### get
+
+▸ **get**(): `any`
+
+#### Returns
+
+`any`
+
+Already parsed (from JSON) stored value.
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[get](#get)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:42](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L42)
+
+___
+
+### remove
+
+▸ **remove**(): `void`
+
+Removes a values.
+
+#### Returns
+
+`void`
+
+#### Inherited from
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[remove](#remove)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:54](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L54)
+
+___
+
+### update
+
+▸ **update**(`cartState`): `void`
+
+Update regarding storage context by either setting given `value` or removing existing one,
+depending on result of calling `checkIfShouldRemove`.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `cartState` | [`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd) |
+
+#### Returns
+
+`void`
+
+#### Overrides
+
+[StorageService](#classesfeatures_storageservice_internal_storageservicemd).[update](#update)
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:64](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L64)
+
+[fake-pev-shopping](#readmemd) / [components/pages/\_routes](#modulescomponents_pages__routesmd) / [<internal\>](#modulescomponents_pages__routes_internal_md) / IUserCart
+
+# Interface: IUserCart
+
+[components/pages/_routes](#modulescomponents_pages__routesmd).[<internal>](#modulescomponents_pages__routes_internal_md).IUserCart
+
+## Table of contents
+
+### Properties
+
+- [products](#products)
+- [totalCount](#totalcount)
+- [totalPrice](#totalprice)
+
+## Properties
+
+### products
+
+• **products**: { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[]
+
+#### Defined in
+
+[commons/types.ts:53](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L53)
+
+___
+
+### totalCount
+
+• **totalCount**: `number`
+
+#### Defined in
+
+[commons/types.ts:58](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L58)
+
+___
+
+### totalPrice
+
+• **totalPrice**: `number`
+
+#### Defined in
+
+[commons/types.ts:59](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L59)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / [<internal\>](#modulesfeatures_httpservice_internal_md) / ICustomResExt
+
+# Interface: ICustomResExt
+
+[features/httpService](#modulesfeatures_httpservicemd).[<internal>](#modulesfeatures_httpservice_internal_md).ICustomResExt
+
+## Table of contents
+
+### Properties
+
+- [\_\_ERROR\_TO\_HANDLE](#__error_to_handle)
+- [\_\_EXCEPTION\_ALREADY\_HANDLED](#__exception_already_handled)
+- [\_\_NO\_CONTENT](#__no_content)
+
+## Properties
+
+### \_\_ERROR\_TO\_HANDLE
+
+• **\_\_ERROR\_TO\_HANDLE**: `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"error"``\>
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:570](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L570)
+
+___
+
+### \_\_EXCEPTION\_ALREADY\_HANDLED
+
+• **\_\_EXCEPTION\_ALREADY\_HANDLED**: ``true``
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:571](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L571)
+
+___
+
+### \_\_NO\_CONTENT
+
+• **\_\_NO\_CONTENT**: ``true``
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:569](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L569)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / [<internal\>](#modulesfeatures_httpservice_internal_md) / IEmbracedResponse
+
+# Interface: IEmbracedResponse<PayloadType\>
+
+[features/httpService](#modulesfeatures_httpservicemd).[<internal>](#modulesfeatures_httpservice_internal_md).IEmbracedResponse
+
+## Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `PayloadType` | `never` |
+
+## Table of contents
+
+### Properties
+
+- [authToken](#authtoken)
+- [error](#error)
+- [exception](#exception)
+- [message](#message)
+- [payload](#payload)
+
+## Properties
+
+### authToken
+
+• **authToken**: ``null`` \| `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:11](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L11)
+
+___
+
+### error
+
+• **error**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L14)
+
+___
+
+### exception
+
+• **exception**: `Error` \| { `message`: `string` ; `stack?`: `string`  }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:15](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L15)
+
+___
+
+### message
+
+• **message**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:13](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L13)
+
+___
+
+### payload
+
+• **payload**: `Record`<`string`, `unknown`\> \| `unknown`[] \| `PayloadType`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L12)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / [<internal\>](#modulesfeatures_httpservice_internal_md) / IOrder
+
+# Interface: IOrder
+
+[features/httpService](#modulesfeatures_httpservicemd).[<internal>](#modulesfeatures_httpservice_internal_md).IOrder
+
+## Table of contents
+
+### Properties
+
+- [paymentType](#paymenttype)
+- [price](#price)
+- [products](#products)
+- [receiver](#receiver)
+- [shipmentType](#shipmenttype)
+
+## Properties
+
+### paymentType
+
+• **paymentType**: ``"Cash"`` \| ``"Card"`` \| ``"Transfer"`` \| ``"BLIK"``
+
+#### Defined in
+
+[commons/types.ts:73](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L73)
+
+___
+
+### price
+
+• **price**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `shipment` | `number` |
+| `total` | `number` |
+
+#### Defined in
+
+[commons/types.ts:75](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L75)
+
+___
+
+### products
+
+• **products**: { `_id`: `string` ; `name`: `string` ; `price`: `number`  }[] & { `count`: `number`  }[]
+
+#### Defined in
+
+[commons/types.ts:74](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L74)
+
+___
+
+### receiver
+
+• **receiver**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `address` | `string` |
+| `baseInfo` | { `email`: `string` ; `name`: `string` ; `phone`: `string`  } |
+| `baseInfo.email` | `string` |
+| `baseInfo.name` | `string` |
+| `baseInfo.phone` | `string` |
+
+#### Defined in
+
+[commons/types.ts:63](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L63)
+
+___
+
+### shipmentType
+
+• **shipmentType**: ``"inPerson"`` \| ``"home"`` \| ``"parcelLocker"``
+
+#### Defined in
+
+[commons/types.ts:71](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L71)
+
+[fake-pev-shopping](#readmemd) / [components/pages/\_routes](#modulescomponents_pages__routesmd) / <internal\>
+
+# Namespace: <internal\>
+
+[components/pages/_routes](#modulescomponents_pages__routesmd).<internal>
+
+## Table of contents
+
+### Classes
+
+- [StoreService](#classescomponents_pages__routes_internal_storeservicemd)
+
+### Interfaces
+
+- [IUserCart](#interfacescomponents_pages__routes_internal_iusercartmd)
+
+### Type Aliases
+
+- [TUserCartProduct](#tusercartproduct)
+- [TUserPublic](#tuserpublic)
+
+## Type Aliases
+
+### TUserCartProduct
+
+Ƭ **TUserCartProduct**: [`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd)[``"products"``][`number`] & { `count`: `number`  }
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L17)
+
+___
+
+### TUserPublic
+
+Ƭ **TUserPublic**: `Pick`<`IUser`, ``"login"`` \| ``"email"`` \| ``"observedProductsIDs"``\> & { `_id`: `Schema.Types.ObjectId` ; `accountType`: `NonNullable`<`IUser`[``"accountType"``]\>[``"roleName"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:242](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L242)
+
+[fake-pev-shopping](#readmemd) / components/pages/\_routes
+
+# Module: components/pages/\_routes
+
+Encapsulates routing paths and methods (such as helpers and guards).
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulescomponents_pages__routes_internal_md)
+
+### Variables
+
+- [ROUTES](#routes)
+- [routeHelpers](#routehelpers)
+
+### Functions
+
+- [useRoutesGuards](#useroutesguards)
+
+## Variables
+
+### ROUTES
+
+• `Const` **ROUTES**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `ACCOUNT` | `string` |
+| `CONFIRM_REGISTRATION` | ``"/pages/confirm-registration"`` |
+| `LOG_IN` | ``"/pages/log-in"`` |
+| `NOT_AUTHORIZED` | ``"/pages/not-authorized"`` |
+| `NOT_FOUND` | ``"/pages/not-found"`` |
+| `NOT_LOGGED_IN` | ``"/pages/not-logged-in"`` |
+| `PAGES` | ``"/pages"`` |
+| `PRODUCTS` | `string` |
+| `PRODUCTS__ADD_NEW_PRODUCT` | \`${string}/add-new-product\` |
+| `PRODUCTS__COMPARE` | \`${string}/compare\` |
+| `PRODUCTS__ORDER` | \`${string}/order\` |
+| `PRODUCTS__PRODUCT` | \`${string}/:productName\` |
+| `REGISTER` | ``"/pages/register"`` |
+| `RESET_PASSWORD` | ``"/pages/reset-password"`` |
+| `ROOT` | ``"/"`` |
+| `SET_NEW_PASSWORD` | ``"/pages/set-new-password"`` |
+| ``get` **ACCOUNT__OBSERVED_PRODUCTS**(): `string`` | {} |
+| ``get` **ACCOUNT__ORDERS**(): `string`` | {} |
+| ``get` **ACCOUNT__SECURITY**(): `string`` | {} |
+| ``get` **ACCOUNT__USER_PROFILE**(): `string`` | {} |
+| ``get` **PRODUCTS__MODIFY_PRODUCT**(): `string`` | {} |
+
+#### Defined in
+
+[src/frontend/components/pages/_routes.ts:23](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/pages/_routes.ts#L23)
+
+___
+
+### routeHelpers
+
+• `Const` **routeHelpers**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `createModifyProductUrl` | (`productName`: `string`) => `string` |
+| `createProductsDashboardQueryUpdater` | (`currentQueryParams`: `ParsedQuery`<`string`\>, `pathname`: `string`, `history`: `History`<`unknown`\>) => (`updates`: ``null`` \| { `[key: string]`: `string` \| `number` \| `boolean`;  }) => `void` |
+| `extractProductUrlFromPathname` | (`pathname`: `string`) => `string` |
+| `parseSearchParams` | (`search`: `string`) => `ParsedQuery`<`string` \| `number` \| `boolean`\> |
+| `stringifySearchParams` | (`payload`: `Record`<`string`, `unknown`\>) => `string` |
+
+#### Defined in
+
+[src/frontend/components/pages/_routes.ts:64](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/pages/_routes.ts#L64)
+
+## Functions
+
+### useRoutesGuards
+
+▸ **useRoutesGuards**(`storeService`): `Object`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `storeService` | [`StoreService`](#classescomponents_pages__routes_internal_storeservicemd) |
+
+#### Returns
+
+`Object`
+
+| Name | Type |
+| :------ | :------ |
+| `isClient` | () => ``null`` \| `boolean` |
+| `isGuest` | () => `boolean` |
+| `isSeller` | () => ``null`` \| `boolean` |
+| `isUser` | () => `boolean` |
+
+#### Defined in
+
+[src/frontend/components/pages/_routes.ts:99](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/pages/_routes.ts#L99)
+
+[fake-pev-shopping](#readmemd) / [components/utils/bodyObserver](#modulescomponents_utils_bodyobservermd) / <internal\>
+
+# Namespace: <internal\>
+
+[components/utils/bodyObserver](#modulescomponents_utils_bodyobservermd).<internal>
+
+## Table of contents
+
+### Type Aliases
+
+- [TSubscriptionCallback](#tsubscriptioncallback)
+
+## Type Aliases
+
+### TSubscriptionCallback
+
+Ƭ **TSubscriptionCallback**: `Object`
+
+#### Call signature
+
+▸ (`bodyStyle`): `void`
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `bodyStyle` | `CSSStyleDeclaration` |
+
+##### Returns
+
+`void`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `subscriptionID` | `number` |
+
+#### Defined in
+
+[src/frontend/components/utils/bodyObserver.tsx:7](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/bodyObserver.tsx#L7)
+
+[fake-pev-shopping](#readmemd) / components/utils/bodyObserver
+
+# Module: components/utils/bodyObserver
+
+Handles HTML `<body>` style changes, which affect position of components,
+such as `ScrollToTop` button and `ProductComparisonCandidates` bar.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulescomponents_utils_bodyobserver_internal_md)
+
+### Functions
+
+- [subscribeToBodyMutations](#subscribetobodymutations)
+- [unSubscribeFromBodyMutations](#unsubscribefrombodymutations)
+
+## Functions
+
+### subscribeToBodyMutations
+
+▸ **subscribeToBodyMutations**(`callback`): `number`
+
+Subscribes a provided `callback` to `<body>` style mutations.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `callback` | [`TSubscriptionCallback`](#tsubscriptioncallback) |
+
+#### Returns
+
+`number`
+
+subscriptionID, which lets unsubscribing `callback` later.
+
+#### Defined in
+
+[src/frontend/components/utils/bodyObserver.tsx:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/bodyObserver.tsx#L26)
+
+___
+
+### unSubscribeFromBodyMutations
+
+▸ **unSubscribeFromBodyMutations**(`subscriptionID`): `void`
+
+Unsubscribes previously subscribed `callback` (via it's ID) from `<body>` style mutations.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `subscriptionID` | `number` |
+
+#### Returns
+
+`void`
+
+#### Defined in
+
+[src/frontend/components/utils/bodyObserver.tsx:36](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/bodyObserver.tsx#L36)
+
+[fake-pev-shopping](#readmemd) / components/utils/flexibleList
+
+# Module: components/utils/flexibleList
+
+Flexible list component, which allows adding, editing and deleting it's items in a customizable way.
+
+## Table of contents
+
+### Functions
+
+- [FlexibleList](#flexiblelist)
+
+## Functions
+
+### FlexibleList
+
+▸ **FlexibleList**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/flexibleList.jsx:72](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/flexibleList.jsx#L72)
+
+[fake-pev-shopping](#readmemd) / components/utils/pagination
+
+# Module: components/utils/pagination
+
+## Table of contents
+
+### Functions
+
+- [Pagination](#pagination)
+
+## Functions
+
+### Pagination
+
+▸ **Pagination**(`props`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `props` | `any` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/pagination.jsx:20](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pagination.jsx#L20)
+
+[fake-pev-shopping](#readmemd) / components/utils/pevElements
+
+# Module: components/utils/pevElements
+
+Facade over commonly used MUI and native HTML elements.
+
+## Table of contents
+
+### Variables
+
+- [PEVButton](#pevbutton)
+- [PEVCheckbox](#pevcheckbox)
+- [PEVFieldset](#pevfieldset)
+- [PEVForm](#pevform)
+- [PEVHeading](#pevheading)
+- [PEVIconButton](#peviconbutton)
+- [PEVLegend](#pevlegend)
+- [PEVLink](#pevlink)
+- [PEVParagraph](#pevparagraph)
+- [PEVRadio](#pevradio)
+- [PEVTabs](#pevtabs)
+
+### Functions
+
+- [PEVFormFieldError](#pevformfielderror)
+- [PEVTextField](#pevtextfield)
+
+## Variables
+
+### PEVButton
+
+• `Const` **PEVButton**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:44](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L44)
+
+___
+
+### PEVCheckbox
+
+• `Const` **PEVCheckbox**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:177](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L177)
+
+___
+
+### PEVFieldset
+
+• `Const` **PEVFieldset**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:86](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L86)
+
+___
+
+### PEVForm
+
+• `Const` **PEVForm**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:185](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L185)
+
+___
+
+### PEVHeading
+
+• `Const` **PEVHeading**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:220](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L220)
+
+___
+
+### PEVIconButton
+
+• `Const` **PEVIconButton**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:62](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L62)
+
+___
+
+### PEVLegend
+
+• `Const` **PEVLegend**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:94](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L94)
+
+___
+
+### PEVLink
+
+• `Const` **PEVLink**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:78](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L78)
+
+___
+
+### PEVParagraph
+
+• `Const` **PEVParagraph**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:234](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L234)
+
+___
+
+### PEVRadio
+
+• `Const` **PEVRadio**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:181](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L181)
+
+___
+
+### PEVTabs
+
+• `Const` **PEVTabs**: `ForwardRefExoticComponent`<`RefAttributes`<`any`\>\>
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:282](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L282)
+
+## Functions
+
+### PEVFormFieldError
+
+▸ **PEVFormFieldError**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:216](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L216)
+
+___
+
+### PEVTextField
+
+▸ **PEVTextField**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/pevElements.jsx:102](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/pevElements.jsx#L102)
+
+[fake-pev-shopping](#readmemd) / components/utils/popup
+
+# Module: components/utils/popup
+
+## Table of contents
+
+### Variables
+
+- [GenericErrorPopup](#genericerrorpopup)
+- [POPUP\_TYPES](#popup_types)
+
+### Functions
+
+- [Popup](#popup)
+- [getClosePopupBtn](#getclosepopupbtn)
+
+## Variables
+
+### GenericErrorPopup
+
+• `Const` **GenericErrorPopup**: `NamedExoticComponent`<`object`\>
+
+Generic error popup component is hooked on [HttpService](#classesfeatures_httpservice_internal_httpservicemd) to present user any errors in more friendly way.
+
+#### Defined in
+
+[src/frontend/components/utils/popup.jsx:57](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/popup.jsx#L57)
+
+___
+
+### POPUP\_TYPES
+
+• `Const` **POPUP\_TYPES**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `FAILURE` | `string` |
+| `NEUTRAL` | `string` |
+| `SUCCESS` | `string` |
+
+#### Defined in
+
+[src/frontend/components/utils/popup.jsx:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/popup.jsx#L16)
+
+## Functions
+
+### Popup
+
+▸ **Popup**(`props`): ``null`` \| `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `props` | `any` |
+
+#### Returns
+
+``null`` \| `Element`
+
+#### Defined in
+
+[src/frontend/components/utils/popup.jsx:92](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/popup.jsx#L92)
+
+___
+
+### getClosePopupBtn
+
+▸ **getClosePopupBtn**(`setPopupData`): `Object`
+
+Factory for popup's default closing button.
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `setPopupData` | `any` |
+
+#### Returns
+
+`Object`
+
+| Name | Type |
+| :------ | :------ |
+| `dataCy` | `string` |
+| `onClick` | () => `any` |
+| `text` | `string` |
+
+#### Defined in
+
+[src/frontend/components/utils/popup.jsx:25](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/popup.jsx#L25)
+
+[fake-pev-shopping](#readmemd) / components/utils/ratingWidget
+
+# Module: components/utils/ratingWidget
+
+## Table of contents
+
+### Functions
+
+- [RatingWidget](#ratingwidget)
+
+## Functions
+
+### RatingWidget
+
+▸ **RatingWidget**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/ratingWidget.jsx:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/ratingWidget.jsx#L17)
+
+[fake-pev-shopping](#readmemd) / components/utils/scroller
+
+# Module: components/utils/scroller
+
+## Table of contents
+
+### Functions
+
+- [Scroller](#scroller)
+
+## Functions
+
+### Scroller
+
+▸ **Scroller**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `Object` |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/components/utils/scroller.jsx:94](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/components/utils/scroller.jsx#L94)
+
+[fake-pev-shopping](#readmemd) / contexts/rwd-layout
+
+# Module: contexts/rwd-layout
+
+Observes DOM viewport changes and emits information about the currently established one.
+
+## Table of contents
+
+### Functions
+
+- [RWDLayoutProvider](#rwdlayoutprovider)
+- [useRWDLayout](#userwdlayout)
+
+## Functions
+
+### RWDLayoutProvider
+
+▸ **RWDLayoutProvider**(`__namedParameters`): `Element`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `__namedParameters` | `PropsWithChildren`<`Record`<`string`, `unknown`\>\> |
+
+#### Returns
+
+`Element`
+
+#### Defined in
+
+[src/frontend/contexts/rwd-layout.tsx:79](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/contexts/rwd-layout.tsx#L79)
+
+___
+
+### useRWDLayout
+
+▸ **useRWDLayout**(): `Object`
+
+#### Returns
+
+`Object`
+
+#### Defined in
+
+[src/frontend/contexts/rwd-layout.tsx:83](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/contexts/rwd-layout.tsx#L83)
+
+[fake-pev-shopping](#readmemd) / [features/httpService](#modulesfeatures_httpservicemd) / <internal\>
+
+# Namespace: <internal\>
+
+[features/httpService](#modulesfeatures_httpservicemd).<internal>
+
+## Table of contents
+
+### Classes
+
+- [Ajax](#classesfeatures_httpservice_internal_ajaxmd)
+- [HttpService](#classesfeatures_httpservice_internal_httpservicemd)
+
+### Interfaces
+
+- [ICustomResExt](#interfacesfeatures_httpservice_internal_icustomresextmd)
+- [IEmbracedResponse](#interfacesfeatures_httpservice_internal_iembracedresponsemd)
+- [IOrder](#interfacesfeatures_httpservice_internal_iordermd)
+
+### Type Aliases
+
+- [TIntermediateSpecsValues](#tintermediatespecsvalues)
+- [TOutputSpecs](#toutputspecs)
+- [TPagination](#tpagination)
+- [TProductTechnicalSpecs](#tproducttechnicalspecs)
+- [TSubCallback](#tsubcallback)
+- [TUserRegistrationCredentials](#tuserregistrationcredentials)
+
+## Type Aliases
+
+### TIntermediateSpecsValues
+
+Ƭ **TIntermediateSpecsValues**: (`string` \| `number`)[] \| `Record`<`string`, `number`[]\>
+
+#### Defined in
+
+[src/middleware/helpers/api-products-specs-mapper.ts:4](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/api-products-specs-mapper.ts#L4)
+
+___
+
+### TOutputSpecs
+
+Ƭ **TOutputSpecs**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `defaultUnit` | `string` |
+| `name` | `string` |
+| `values` | [`TIntermediateSpecsValues`](#tintermediatespecsvalues) |
+
+#### Defined in
+
+[src/middleware/helpers/api-products-specs-mapper.ts:8](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/api-products-specs-mapper.ts#L8)
+
+___
+
+### TPagination
+
+Ƭ **TPagination**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `pageNumber` | `number` |
+| `productsPerPage` | `number` |
+
+#### Defined in
+
+[commons/types.ts:81](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L81)
+
+___
+
+### TProductTechnicalSpecs
+
+Ƭ **TProductTechnicalSpecs**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `categoryToSpecs` | `Record`<`string`, `string`[]\> |
+| `specs` | [`TOutputSpecs`](#toutputspecs)[] |
+
+#### Defined in
+
+[src/middleware/helpers/api-products-specs-mapper.ts:13](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/api-products-specs-mapper.ts#L13)
+
+___
+
+### TSubCallback
+
+Ƭ **TSubCallback**: (...`args`: `unknown`[]) => `unknown`
+
+#### Type declaration
+
+▸ (...`args`): `unknown`
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `...args` | `unknown`[] |
+
+##### Returns
+
+`unknown`
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:531](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L531)
+
+___
+
+### TUserRegistrationCredentials
+
+Ƭ **TUserRegistrationCredentials**: `Pick`<`IUser`, ``"login"`` \| ``"password"`` \| ``"email"``\> & { `repeatedPassword`: `IUser`[``"password"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:285](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L285)
+
+[fake-pev-shopping](#readmemd) / features/httpService
+
+# Module: features/httpService
+
+Handles HTTP communication between frontend and backend.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesfeatures_httpservice_internal_md)
+
+### Variables
+
+- [CUSTOM\_RES\_EXT\_DICT](#custom_res_ext_dict)
+- [httpService](#httpservice)
+- [httpServiceSubscriber](#httpservicesubscriber)
+
+## Variables
+
+### CUSTOM\_RES\_EXT\_DICT
+
+• `Const` **CUSTOM\_RES\_EXT\_DICT**: `Readonly`<{ `__ERROR_TO_HANDLE`: ``"__ERROR_TO_HANDLE"`` = '\_\_ERROR\_TO\_HANDLE'; `__EXCEPTION_ALREADY_HANDLED`: ``"__EXCEPTION_ALREADY_HANDLED"`` = '\_\_EXCEPTION\_ALREADY\_HANDLED'; `__NO_CONTENT`: ``"__NO_CONTENT"`` = '\_\_NO\_CONTENT' }\>
+
+Recognize HTTP responses kinds.
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:562](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L562)
+
+___
+
+### httpService
+
+• **httpService**: [`HttpService`](#classesfeatures_httpservice_internal_httpservicemd)
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:576](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L576)
+
+___
+
+### httpServiceSubscriber
+
+• `Const` **httpServiceSubscriber**: `Object`
+
+Keeps track of [HttpService](#classesfeatures_httpservice_internal_httpservicemd) subscribers, which want to externally hook into any request
+that returns certain status.
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `SUBSCRIPTION_TYPE` | `Readonly`<{ `[k: string]`: `T`;  }\> |
+| `callSubscribers` | (`type`: `string`, `value`: `unknown`) => `unknown` |
+| `subscribe` | (`type`: `string`, `callback`: [`TSubCallback`](#tsubcallback)) => `void` |
+| `unSubscribe` | (`type`: `string`) => `void` |
+
+#### Defined in
+
+[src/frontend/features/httpService.ts:526](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/httpService.ts#L526)
+
+[fake-pev-shopping](#readmemd) / [features/storageService](#modulesfeatures_storageservicemd) / <internal\>
+
+# Namespace: <internal\>
+
+[features/storageService](#modulesfeatures_storageservicemd).<internal>
+
+## Table of contents
+
+### Classes
+
+- [StorageService](#classesfeatures_storageservice_internal_storageservicemd)
+- [UserAccount](#classesfeatures_storageservice_internal_useraccountmd)
+- [UserAuthToken](#classesfeatures_storageservice_internal_userauthtokenmd)
+- [UserCart](#classesfeatures_storageservice_internal_usercartmd)
+
+### Type Aliases
+
+- [TStorageValue](#tstoragevalue)
+
+## Type Aliases
+
+### TStorageValue
+
+Ƭ **TStorageValue**: [`IUserCart`](#interfacescomponents_pages__routes_internal_iusercartmd) \| [`TUserPublic`](#tuserpublic) \| `NonNullable`<`IUser`[``"tokens"``][``"auth"``]\>[`number`] \| ``null``
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:9](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L9)
+
+[fake-pev-shopping](#readmemd) / features/storageService
+
+# Module: features/storageService
+
+Handles reading and manipulating browser's LocalStorage data.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesfeatures_storageservice_internal_md)
+
+### Variables
+
+- [storageService](#storageservice)
+
+## Variables
+
+### storageService
+
+• `Const` **storageService**: `Object`
+
+Manipulating storage data API for various contexts, such as `UserCart` or `UserAccount`.
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `userAccount` | [`UserAccount`](#classesfeatures_storageservice_internal_useraccountmd) |
+| `userAuthToken` | [`UserAuthToken`](#classesfeatures_storageservice_internal_userauthtokenmd) |
+| `userCart` | [`UserCart`](#classesfeatures_storageservice_internal_usercartmd) |
+
+#### Defined in
+
+[src/frontend/features/storageService.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storageService.ts#L14)
+
+[fake-pev-shopping](#readmemd) / features/storeService
+
+# Module: features/storeService
+
+## Table of contents
+
+### Type Aliases
+
+- [TStoreService](#tstoreservice)
+
+### Variables
+
+- [storeService](#storeservice)
+
+## Type Aliases
+
+### TStoreService
+
+Ƭ **TStoreService**: typeof [`storeService`](#storeservice)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:177](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L177)
+
+## Variables
+
+### storeService
+
+• `Const` **storeService**: [`StoreService`](#classescomponents_pages__routes_internal_storeservicemd)
+
+#### Defined in
+
+[src/frontend/features/storeService.ts:169](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/storeService.ts#L169)
+
+[fake-pev-shopping](#readmemd) / features/userSessionService
+
+# Module: features/userSessionService
+
+## Table of contents
+
+### Variables
+
+- [userSessionService](#usersessionservice)
+
+## Variables
+
+### userSessionService
+
+• `Const` **userSessionService**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `logIn` | (`logInCredentials`: `Pick`<`IUser`, ``"login"`` \| ``"password"``\>) => `Promise`<[`TUserPublic`](#tuserpublic) \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `logOut` | () => `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `logOutFromMultipleSessions` | (`shouldPreserveCurrentSession`: `boolean`) => `Promise`<`Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__NO_CONTENT"``\> \| `Pick`<[`IEmbracedResponse`](#interfacesfeatures_httpservice_internal_iembracedresponsemd)<`never`\>, ``"authToken"`` \| ``"payload"`` \| ``"message"``\> \| `Pick`<[`ICustomResExt`](#interfacesfeatures_httpservice_internal_icustomresextmd), ``"__ERROR_TO_HANDLE"`` \| ``"__EXCEPTION_ALREADY_HANDLED"``\>\> |
+| `restoreSession` | () => `void` |
+
+#### Defined in
+
+[src/frontend/features/userSessionService.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/frontend/features/userSessionService.ts#L12)
diff --git a/api-docs/middleware.md b/api-docs/middleware.md
new file mode 100644
index 00000000..8b1001d6
--- /dev/null
+++ b/api-docs/middleware.md
@@ -0,0 +1,1464 @@
+fake-pev-shopping
+
+# fake-pev-shopping
+
+## Table of contents
+
+### Modules
+
+- [features/auth](#modulesfeatures_authmd)
+- [helpers/mailer](#moduleshelpers_mailermd)
+- [helpers/middleware-error-handler](#moduleshelpers_middleware_error_handlermd)
+- [helpers/middleware-response-wrapper](#moduleshelpers_middleware_response_wrappermd)
+- [routes/api-config](#modulesroutes_api_configmd)
+- [routes/api-orders](#modulesroutes_api_ordersmd)
+- [routes/api-product-categories](#modulesroutes_api_product_categoriesmd)
+- [routes/api-products](#modulesroutes_api_productsmd)
+- [routes/api-user-roles](#modulesroutes_api_user_rolesmd)
+- [routes/api-users](#modulesroutes_api_usersmd)
+
+[fake-pev-shopping](#readmemd) / [helpers/middleware-response-wrapper](#moduleshelpers_middleware_response_wrappermd) / IEmbracedResponse
+
+# Interface: IEmbracedResponse<PayloadType\>
+
+[helpers/middleware-response-wrapper](#moduleshelpers_middleware_response_wrappermd).IEmbracedResponse
+
+## Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `PayloadType` | `never` |
+
+## Table of contents
+
+### Properties
+
+- [authToken](#authtoken)
+- [error](#error)
+- [exception](#exception)
+- [message](#message)
+- [payload](#payload)
+
+## Properties
+
+### authToken
+
+• **authToken**: ``null`` \| `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:11](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L11)
+
+___
+
+### error
+
+• **error**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L14)
+
+___
+
+### exception
+
+• **exception**: `Error` \| { `message`: `string` ; `stack?`: `string`  }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:15](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L15)
+
+___
+
+### message
+
+• **message**: `string`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:13](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L13)
+
+___
+
+### payload
+
+• **payload**: `PayloadType` \| `unknown`[] \| `Record`<`string`, `unknown`\>
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:12](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L12)
+
+[fake-pev-shopping](#readmemd) / [features/auth](#modulesfeatures_authmd) / <internal\>
+
+# Namespace: <internal\>
+
+[features/auth](#modulesfeatures_authmd).<internal>
+
+[fake-pev-shopping](#readmemd) / features/auth
+
+# Module: features/auth
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesfeatures_auth_internal_md)
+
+### Functions
+
+- [authMiddlewareFn](#authmiddlewarefn)
+- [authToPayU](#authtopayu)
+- [comparePasswords](#comparepasswords)
+- [getToken](#gettoken)
+- [hashPassword](#hashpassword)
+- [userRoleMiddlewareFn](#userrolemiddlewarefn)
+- [verifyToken](#verifytoken)
+
+## Functions
+
+### authMiddlewareFn
+
+▸ **authMiddlewareFn**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/features/auth.ts:38](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L38)
+
+___
+
+### authToPayU
+
+▸ **authToPayU**(): `Promise`<`string` \| `Error`\>
+
+#### Returns
+
+`Promise`<`string` \| `Error`\>
+
+#### Defined in
+
+[src/middleware/features/auth.ts:96](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L96)
+
+___
+
+### comparePasswords
+
+▸ **comparePasswords**(`password`, `passwordPattern`): `Promise`<`boolean`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `password` | `string` |
+| `passwordPattern` | `string` |
+
+#### Returns
+
+`Promise`<`boolean`\>
+
+#### Defined in
+
+[src/middleware/features/auth.ts:22](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L22)
+
+___
+
+### getToken
+
+▸ **getToken**(`payloadObj`): `string`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `payloadObj` | `TToken` |
+
+#### Returns
+
+`string`
+
+#### Defined in
+
+[src/middleware/features/auth.ts:30](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L30)
+
+___
+
+### hashPassword
+
+▸ **hashPassword**(`password`): `Promise`<`string`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `password` | `string` |
+
+#### Returns
+
+`Promise`<`string`\>
+
+#### Defined in
+
+[src/middleware/features/auth.ts:26](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L26)
+
+___
+
+### userRoleMiddlewareFn
+
+▸ **userRoleMiddlewareFn**(`roleName`): (`req`: `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\>, `res`: `Response`<`any`, `Record`<`string`, `any`\>\>, `next`: `NextFunction`) => `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `roleName` | ``"client"`` \| ``"seller"`` |
+
+#### Returns
+
+`fn`
+
+▸ (`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+##### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/features/auth.ts:80](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L80)
+
+___
+
+### verifyToken
+
+▸ **verifyToken**(`token`): `TToken`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `token` | `string` |
+
+#### Returns
+
+`TToken`
+
+#### Defined in
+
+[src/middleware/features/auth.ts:34](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/features/auth.ts#L34)
+
+[fake-pev-shopping](#readmemd) / helpers/mailer
+
+# Module: helpers/mailer
+
+## Table of contents
+
+### Variables
+
+- [EMAIL\_TYPES](#email_types)
+
+### Functions
+
+- [sendMail](#sendmail)
+
+## Variables
+
+### EMAIL\_TYPES
+
+• `Const` **EMAIL\_TYPES**: `Record`<``"ACTIVATION"`` \| ``"RESET_PASSWORD"``, ``"ACTIVATION"`` \| ``"RESET_PASSWORD"``\>
+
+#### Defined in
+
+[src/middleware/helpers/mailer.ts:51](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/mailer.ts#L51)
+
+## Functions
+
+### sendMail
+
+▸ **sendMail**(`receiver`, `emailType`, `link`): `Promise`<`SendmailTransport.SentMessageInfo`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `receiver` | `string` |
+| `emailType` | ``"ACTIVATION"`` \| ``"RESET_PASSWORD"`` |
+| `link` | `string` |
+
+#### Returns
+
+`Promise`<`SendmailTransport.SentMessageInfo`\>
+
+#### Defined in
+
+[src/middleware/helpers/mailer.ts:55](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/mailer.ts#L55)
+
+[fake-pev-shopping](#readmemd) / [helpers/middleware-error-handler](#moduleshelpers_middleware_error_handlermd) / <internal\>
+
+# Namespace: <internal\>
+
+[helpers/middleware-error-handler](#moduleshelpers_middleware_error_handlermd).<internal>
+
+## Table of contents
+
+### Type Aliases
+
+- [TMiddlewareErrorHandler](#tmiddlewareerrorhandler)
+
+## Type Aliases
+
+### TMiddlewareErrorHandler
+
+Ƭ **TMiddlewareErrorHandler**: (`error`: `Error`, `req`: `Request`, `res`: `Response`) => `Pick`<`Response`, ``"json"``\>
+
+#### Type declaration
+
+▸ (`error`, `req`, `res`): `Pick`<`Response`, ``"json"``\>
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `error` | `Error` |
+| `req` | `Request` |
+| `res` | `Response` |
+
+##### Returns
+
+`Pick`<`Response`, ``"json"``\>
+
+#### Defined in
+
+[src/middleware/helpers/middleware-error-handler.ts:10](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-error-handler.ts#L10)
+
+[fake-pev-shopping](#readmemd) / helpers/middleware-error-handler
+
+# Module: helpers/middleware-error-handler
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#moduleshelpers_middleware_error_handler_internal_md)
+
+### Functions
+
+- [getMiddlewareErrorHandler](#getmiddlewareerrorhandler)
+
+## Functions
+
+### getMiddlewareErrorHandler
+
+▸ **getMiddlewareErrorHandler**(`logger`): [`TMiddlewareErrorHandler`](#tmiddlewareerrorhandler)
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `logger` | `Logger` |
+
+#### Returns
+
+[`TMiddlewareErrorHandler`](#tmiddlewareerrorhandler)
+
+#### Defined in
+
+[src/middleware/helpers/middleware-error-handler.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-error-handler.ts#L14)
+
+[fake-pev-shopping](#readmemd) / [helpers/middleware-response-wrapper](#moduleshelpers_middleware_response_wrappermd) / <internal\>
+
+# Namespace: <internal\>
+
+[helpers/middleware-response-wrapper](#moduleshelpers_middleware_response_wrappermd).<internal>
+
+## Table of contents
+
+### Enumeration Members
+
+- [NOT\_FOUND](#not_found)
+- [NO\_CONTENT](#no_content)
+
+### Variables
+
+- [GROUPED\_HTTP\_STATUS\_CODES](#grouped_http_status_codes)
+
+## Enumeration Members
+
+### NOT\_FOUND
+
+• **NOT\_FOUND**: ``404``
+
+#### Defined in
+
+[commons/types.ts:45](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L45)
+
+___
+
+### NO\_CONTENT
+
+• **NO\_CONTENT**: ``204``
+
+#### Defined in
+
+[commons/types.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/commons/types.ts#L39)
+
+## Variables
+
+### GROUPED\_HTTP\_STATUS\_CODES
+
+• `Const` **GROUPED\_HTTP\_STATUS\_CODES**: `Readonly`<{ `CLIENT_ERROR`: { `400`: ``400`` = 400; `401`: ``401`` = 401; `403`: ``403`` = 403; `404`: ``404`` = 404; `409`: ``409`` = 409 } ; `SERVER_ERROR`: { `500`: ``500`` = 500; `503`: ``503`` = 503; `511`: ``511`` = 511 } ; `SUCCESSFUL`: { `200`: ``200`` = 200; `201`: ``201`` = 201; `204`: ``204`` = 204 }  }\>
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:19](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L19)
+
+[fake-pev-shopping](#readmemd) / helpers/middleware-response-wrapper
+
+# Module: helpers/middleware-response-wrapper
+
+Custom wrapper to secure consistent usage of a few [`Express#res`](https://expressjs.com/en/4x/api.html#res) methods.
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#moduleshelpers_middleware_response_wrapper_internal_md)
+
+### Interfaces
+
+- [IEmbracedResponse](#interfaceshelpers_middleware_response_wrapperiembracedresponsemd)
+
+### Type Aliases
+
+- [TClientErrorHTTPStatusCodesToData](#tclienterrorhttpstatuscodestodata)
+- [TServerErrorHTTPStatusCodesToData](#tservererrorhttpstatuscodestodata)
+- [TSuccessfulHTTPStatusCodesToData](#tsuccessfulhttpstatuscodestodata)
+- [TypeOfHTTPStatusCodes](#typeofhttpstatuscodes)
+
+### Functions
+
+- [wrapRes](#wrapres)
+
+## Type Aliases
+
+### TClientErrorHTTPStatusCodesToData
+
+Ƭ **TClientErrorHTTPStatusCodesToData**: { [ClientErrorStatus in keyof TypeOfHTTPStatusCodes["CLIENT\_ERROR"]]: Extract<keyof IEmbracedResponse, "error"\> }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:62](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L62)
+
+___
+
+### TServerErrorHTTPStatusCodesToData
+
+Ƭ **TServerErrorHTTPStatusCodesToData**: { [ServerErrorStatus in keyof TypeOfHTTPStatusCodes["SERVER\_ERROR"]]: Extract<keyof IEmbracedResponse, "exception"\> }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:65](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L65)
+
+___
+
+### TSuccessfulHTTPStatusCodesToData
+
+Ƭ **TSuccessfulHTTPStatusCodesToData**: { [SuccessfulStatus in keyof TypeOfHTTPStatusCodes["SUCCESSFUL"]]: Extract<keyof IEmbracedResponse, "payload" \| "message" \| "authToken"\> }
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:56](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L56)
+
+___
+
+### TypeOfHTTPStatusCodes
+
+Ƭ **TypeOfHTTPStatusCodes**: typeof [`GROUPED_HTTP_STATUS_CODES`](#grouped_http_status_codes)
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:39](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L39)
+
+## Functions
+
+### wrapRes
+
+▸ **wrapRes**(`res`, `status`): `Response`
+
+It asserts that used `HTTP_STATUS_CODE` is adequate to provided optional payload shape (regarding it's key/label).
+
+**`example`** Without payload
+```ts
+wrapRes(res, HTTP_STATUS_CODE.NO_CONTENT);
+```
+
+**`example`** With payload
+```ts
+wrapRes(res, HTTP_STATUS_CODE.OK, { payload: someResourceValue });
+wrapRes(res, HTTP_STATUS_CODE.CREATED, { message: 'Resource created!' });
+wrapRes(res, HTTP_STATUS_CODE.NOT_FOUND, { error: 'Resource not found!' });
+```
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `status` | [`NO_CONTENT`](#no_content) \| [`NOT_FOUND`](#not_found) |
+
+#### Returns
+
+`Response`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:83](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L83)
+
+▸ **wrapRes**<`Payload`, `Status`, `DataKey`\>(`res`, `status`, `data`): `Response`
+
+It asserts that used `HTTP_STATUS_CODE` is adequate to provided optional payload shape (regarding it's key/label).
+
+**`example`** Without payload
+```ts
+wrapRes(res, HTTP_STATUS_CODE.NO_CONTENT);
+```
+
+**`example`** With payload
+```ts
+wrapRes(res, HTTP_STATUS_CODE.OK, { payload: someResourceValue });
+wrapRes(res, HTTP_STATUS_CODE.CREATED, { message: 'Resource created!' });
+wrapRes(res, HTTP_STATUS_CODE.NOT_FOUND, { error: 'Resource not found!' });
+```
+
+#### Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `Payload` | `Payload` |
+| `Status` | extends ``200`` \| ``201`` \| ``400`` \| ``401`` \| ``403`` \| ``404`` \| ``409`` \| ``500`` \| ``503`` \| ``511`` |
+| `DataKey` | extends ``"error"`` \| ``"authToken"`` \| ``"payload"`` \| ``"message"`` \| ``"exception"`` |
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `status` | `Status` |
+| `data` | `Record`<`DataKey`, [`IEmbracedResponse`](#interfaceshelpers_middleware_response_wrapperiembracedresponsemd)<`never`\>[`DataKey`]\> |
+
+#### Returns
+
+`Response`
+
+#### Defined in
+
+[src/middleware/helpers/middleware-response-wrapper.ts:87](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/helpers/middleware-response-wrapper.ts#L87)
+
+[fake-pev-shopping](#readmemd) / [routes/api-config](#modulesroutes_api_configmd) / <internal\>
+
+# Namespace: <internal\>
+
+[routes/api-config](#modulesroutes_api_configmd).<internal>
+
+## Table of contents
+
+### Functions
+
+- [populateDB](#populatedb)
+
+## Functions
+
+### populateDB
+
+▸ **populateDB**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-config.ts:22](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-config.ts#L22)
+
+[fake-pev-shopping](#readmemd) / routes/api-config
+
+# Module: routes/api-config
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesroutes_api_config_internal_md)
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router` & `Partial`<{ `_populateDB`: typeof [`populateDB`](#populatedb)  }\>
+
+#### Defined in
+
+[src/middleware/routes/api-config.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-config.ts#L14)
+
+[fake-pev-shopping](#readmemd) / [routes/api-orders](#modulesroutes_api_ordersmd) / <internal\>
+
+# Namespace: <internal\>
+
+[routes/api-orders](#modulesroutes_api_ordersmd).<internal>
+
+## Table of contents
+
+### Functions
+
+- [handleOrderPreflight](#handleorderpreflight)
+- [makeOrder](#makeorder)
+
+## Functions
+
+### handleOrderPreflight
+
+▸ **handleOrderPreflight**(`req`, `res`): `Response`<`any`, `Record`<`string`, `any`\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+
+#### Returns
+
+`Response`<`any`, `Record`<`string`, `any`\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-orders.ts:36](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-orders.ts#L36)
+
+___
+
+### makeOrder
+
+▸ **makeOrder**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-orders.ts:45](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-orders.ts#L45)
+
+[fake-pev-shopping](#readmemd) / routes/api-orders
+
+# Module: routes/api-orders
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesroutes_api_orders_internal_md)
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router` & `Partial`<{ `_handleOrderPreflight`: typeof [`handleOrderPreflight`](#handleorderpreflight) ; `_makeOrder`: typeof [`makeOrder`](#makeorder)  }\>
+
+#### Defined in
+
+[src/middleware/routes/api-orders.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-orders.ts#L17)
+
+[fake-pev-shopping](#readmemd) / routes/api-product-categories
+
+# Module: routes/api-product-categories
+
+## Table of contents
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router`
+
+#### Defined in
+
+[src/middleware/routes/api-product-categories.ts:14](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-product-categories.ts#L14)
+
+[fake-pev-shopping](#readmemd) / [routes/api-products](#modulesroutes_api_productsmd) / [<internal\>](#modulesroutes_api_products_internal_md) / addReview
+
+# Namespace: addReview
+
+[routes/api-products](#modulesroutes_api_productsmd).[<internal>](#modulesroutes_api_products_internal_md).addReview
+
+## Table of contents
+
+### Functions
+
+- [isIntOrDecimalHalf](#isintordecimalhalf)
+- [isNumber](#isnumber)
+
+## Functions
+
+### isIntOrDecimalHalf
+
+▸ **isIntOrDecimalHalf**(`value`): `boolean`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value` | `number` |
+
+#### Returns
+
+`boolean`
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:250](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L250)
+
+___
+
+### isNumber
+
+▸ **isNumber**(`value`): `boolean`
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value` | `unknown` |
+
+#### Returns
+
+`boolean`
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:249](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L249)
+
+[fake-pev-shopping](#readmemd) / [routes/api-products](#modulesroutes_api_productsmd) / <internal\>
+
+# Namespace: <internal\>
+
+[routes/api-products](#modulesroutes_api_productsmd).<internal>
+
+## Table of contents
+
+### Namespaces
+
+- [addReview](#modulesroutes_api_products_internal_addreviewmd)
+
+### Functions
+
+- [addProduct](#addproduct)
+- [addReview](#addreview)
+- [deleteProduct](#deleteproduct)
+- [getProductById](#getproductbyid)
+- [getProducts](#getproducts)
+- [modifyProduct](#modifyproduct)
+
+## Functions
+
+### addProduct
+
+▸ **addProduct**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:165](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L165)
+
+___
+
+### addReview
+
+▸ **addReview**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:181](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L181)
+
+___
+
+### deleteProduct
+
+▸ **deleteProduct**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:284](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L284)
+
+___
+
+### getProductById
+
+▸ **getProductById**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:145](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L145)
+
+___
+
+### getProducts
+
+▸ **getProducts**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:82](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L82)
+
+___
+
+### modifyProduct
+
+▸ **modifyProduct**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:257](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L257)
+
+[fake-pev-shopping](#readmemd) / routes/api-products
+
+# Module: routes/api-products
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesroutes_api_products_internal_md)
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router` & `Partial`<{ `_addProduct`: typeof [`addProduct`](#addproduct) ; `_addReview`: typeof [`addReview`](#addreview) ; `_deleteProduct`: typeof [`deleteProduct`](#deleteproduct) ; `_getProductById`: typeof [`getProductById`](#getproductbyid) ; `_getProducts`: typeof [`getProducts`](#getproducts) ; `_modifyProduct`: typeof [`modifyProduct`](#modifyproduct)  }\>
+
+#### Defined in
+
+[src/middleware/routes/api-products.ts:18](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-products.ts#L18)
+
+[fake-pev-shopping](#readmemd) / [routes/api-user-roles](#modulesroutes_api_user_rolesmd) / <internal\>
+
+# Namespace: <internal\>
+
+[routes/api-user-roles](#modulesroutes_api_user_rolesmd).<internal>
+
+## Table of contents
+
+### Type Aliases
+
+- [TMiddlewareFn](#tmiddlewarefn)
+
+## Type Aliases
+
+### TMiddlewareFn
+
+Ƭ **TMiddlewareFn**: (`req`: `Request`, `res`: `Response`, `next`: `NextFunction`) => `Promise`<`void` \| `Response`\>
+
+#### Type declaration
+
+▸ (`req`, `res`, `next`): `Promise`<`void` \| `Response`\>
+
+##### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request` |
+| `res` | `Response` |
+| `next` | `NextFunction` |
+
+##### Returns
+
+`Promise`<`void` \| `Response`\>
+
+#### Defined in
+
+[src/middleware/routes/api-user-roles.ts:13](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-user-roles.ts#L13)
+
+[fake-pev-shopping](#readmemd) / routes/api-user-roles
+
+# Module: routes/api-user-roles
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesroutes_api_user_roles_internal_md)
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router` & `Partial`<{ `_getUserRoles`: [`TMiddlewareFn`](#tmiddlewarefn)  }\>
+
+#### Defined in
+
+[src/middleware/routes/api-user-roles.ts:16](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-user-roles.ts#L16)
+
+[fake-pev-shopping](#readmemd) / [routes/api-users](#modulesroutes_api_usersmd) / <internal\>
+
+# Namespace: <internal\>
+
+[routes/api-users](#modulesroutes_api_usersmd).<internal>
+
+## Table of contents
+
+### Type Aliases
+
+- [TUserPublic](#tuserpublic)
+
+### Functions
+
+- [addProductToObserved](#addproducttoobserved)
+- [changePassword](#changepassword)
+- [confirmRegistration](#confirmregistration)
+- [deleteUser](#deleteuser)
+- [getObservedProducts](#getobservedproducts)
+- [getUser](#getuser)
+- [logInUser](#loginuser)
+- [logOutUser](#logoutuser)
+- [logOutUserFromSessions](#logoutuserfromsessions)
+- [registerUser](#registeruser)
+- [removeAllProductsFromObserved](#removeallproductsfromobserved)
+- [removeProductFromObserved](#removeproductfromobserved)
+- [resendConfirmRegistration](#resendconfirmregistration)
+- [resendResetPassword](#resendresetpassword)
+- [resetPassword](#resetpassword)
+- [setNewPassword](#setnewpassword)
+- [updateUser](#updateuser)
+
+## Type Aliases
+
+### TUserPublic
+
+Ƭ **TUserPublic**: `Pick`<`IUser`, ``"login"`` \| ``"email"`` \| ``"observedProductsIDs"``\> & { `_id`: `Schema.Types.ObjectId` ; `accountType`: `NonNullable`<`IUser`[``"accountType"``]\>[``"roleName"``]  }
+
+#### Defined in
+
+[src/database/models/_user.ts:242](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/database/models/_user.ts#L242)
+
+## Functions
+
+### addProductToObserved
+
+▸ **addProductToObserved**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:519](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L519)
+
+___
+
+### changePassword
+
+▸ **changePassword**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:368](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L368)
+
+___
+
+### confirmRegistration
+
+▸ **confirmRegistration**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:266](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L266)
+
+___
+
+### deleteUser
+
+▸ **deleteUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:610](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L610)
+
+___
+
+### getObservedProducts
+
+▸ **getObservedProducts**(`req`, `res`, `next`): `Promise`<``null`` \| `void` \| `any`[] \| `Response`<`any`, `Record`<`string`, `any`\>\> \| `IProduct` \| `IUser` \| `IUserRole` \| `PaginateResult`<`IProduct` \| `IUser` \| `IUserRole`\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> & { `_OMIT_HTTP?`: `boolean`  } |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<``null`` \| `void` \| `any`[] \| `Response`<`any`, `Record`<`string`, `any`\>\> \| `IProduct` \| `IUser` \| `IUserRole` \| `PaginateResult`<`IProduct` \| `IUser` \| `IUserRole`\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:583](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L583)
+
+___
+
+### getUser
+
+▸ **getUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:493](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L493)
+
+___
+
+### logInUser
+
+▸ **logInUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:325](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L325)
+
+___
+
+### logOutUser
+
+▸ **logOutUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:455](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L455)
+
+___
+
+### logOutUserFromSessions
+
+▸ **logOutUserFromSessions**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:471](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L471)
+
+___
+
+### registerUser
+
+▸ **registerUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:233](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L233)
+
+___
+
+### removeAllProductsFromObserved
+
+▸ **removeAllProductsFromObserved**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:567](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L567)
+
+___
+
+### removeProductFromObserved
+
+▸ **removeProductFromObserved**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:543](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L543)
+
+___
+
+### resendConfirmRegistration
+
+▸ **resendConfirmRegistration**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:293](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L293)
+
+___
+
+### resendResetPassword
+
+▸ **resendResetPassword**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:423](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L423)
+
+___
+
+### resetPassword
+
+▸ **resetPassword**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:391](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L391)
+
+___
+
+### setNewPassword
+
+▸ **setNewPassword**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:191](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L191)
+
+___
+
+### updateUser
+
+▸ **updateUser**(`req`, `res`, `next`): `Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `req` | `Request`<`ParamsDictionary`, `any`, `any`, `ParsedQs`, `Record`<`string`, `any`\>\> |
+| `res` | `Response`<`any`, `Record`<`string`, `any`\>\> |
+| `next` | `NextFunction` |
+
+#### Returns
+
+`Promise`<`void` \| `Response`<`any`, `Record`<`string`, `any`\>\>\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:159](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L159)
+
+[fake-pev-shopping](#readmemd) / routes/api-users
+
+# Module: routes/api-users
+
+## Table of contents
+
+### Namespaces
+
+- [&lt;internal\&gt;](#modulesroutes_api_users_internal_md)
+
+### Variables
+
+- [router](#router)
+
+## Variables
+
+### router
+
+• `Const` **router**: `Router` & `Partial`<{ `_addProductToObserved`: typeof [`addProductToObserved`](#addproducttoobserved) ; `_changePassword`: typeof [`changePassword`](#changepassword) ; `_confirmRegistration`: typeof [`confirmRegistration`](#confirmregistration) ; `_deleteUser`: typeof [`deleteUser`](#deleteuser) ; `_getObservedProducts`: typeof [`getObservedProducts`](#getobservedproducts) ; `_getUser`: typeof [`getUser`](#getuser) ; `_logInUser`: typeof [`logInUser`](#loginuser) ; `_logOutUser`: typeof [`logOutUser`](#logoutuser) ; `_logOutUserFromSessions`: typeof [`logOutUserFromSessions`](#logoutuserfromsessions) ; `_registerUser`: typeof [`registerUser`](#registeruser) ; `_removeAllProductsFromObserved`: typeof [`removeAllProductsFromObserved`](#removeallproductsfromobserved) ; `_removeProductFromObserved`: typeof [`removeProductFromObserved`](#removeproductfromobserved) ; `_resendConfirmRegistration`: typeof [`resendConfirmRegistration`](#resendconfirmregistration) ; `_resendResetPassword`: typeof [`resendResetPassword`](#resendresetpassword) ; `_resetPassword`: typeof [`resetPassword`](#resetpassword) ; `_setNewPassword`: typeof [`setNewPassword`](#setnewpassword) ; `_updateUser`: typeof [`updateUser`](#updateuser)  }\>
+
+#### Defined in
+
+[src/middleware/routes/api-users.ts:17](https://github.com/ScriptyChris/Fake-PEV-Shopping/blob/9a4d1fa/src/middleware/routes/api-users.ts#L17)
diff --git a/commons/logger.ts b/commons/logger.ts
index 93329a00..cae16674 100644
--- a/commons/logger.ts
+++ b/commons/logger.ts
@@ -1,6 +1,13 @@
+/**
+ * Custom wrapper for a commonly used global `console` methods.
+ * @module
+ */
+
 import { basename } from 'path';
 
-// TODO: improve typing to avoid repeating method declarations
+/**
+ * @ignore
+ */
 abstract class Log {
   // eslint-disable-next-line @typescript-eslint/no-empty-function
   public log(...args: any[]): void {}
@@ -10,6 +17,9 @@ abstract class Log {
   public error(...args: any[]): void {}
 }
 
+/**
+ * @ignore
+ */
 class Logger extends Log {
   private readonly loggingEnabled: boolean;
   private readonly msgPrefix: string;
@@ -44,6 +54,11 @@ class Logger extends Log {
   }
 }
 
+/**
+ * Creates a module bound logger, which name will be visually emphased in output logs.
+ * @example <caption>Log output for `middleware-index` module</caption>
+ * ([Module: middleware-index.js])::  Server is listening on port 3000
+ */
 function getLogger(moduleFileName: string): Logger {
   if (moduleFileName.endsWith('.spec.js')) {
     throw TypeError('Logger may not be used in *.spec.js files!');
diff --git a/src/types.ts b/commons/types.ts
similarity index 90%
rename from src/types.ts
rename to commons/types.ts
index 121409d8..1c72317a 100644
--- a/src/types.ts
+++ b/commons/types.ts
@@ -1,5 +1,19 @@
+/**
+ * Common types for whole app.
+ * @module
+ */
+
+/**
+ * @ignore
+ */
 import userSessionService from '@frontend/features/userSessionService';
+/**
+ * @ignore
+ */
 import storageService from '@frontend/features/storageService';
+/**
+ * @ignore
+ */
 import storeService from '@frontend/features/storeService';
 
 export interface IProductInOrder {
@@ -66,12 +80,21 @@ export interface IOrder {
 
 export type TPagination = { pageNumber: number; productsPerPage: number };
 
+/**
+ * @ignore
+ */
 export type TE2E = {
+  /** @ignore */
   userSessionService: typeof userSessionService;
+  /** @ignore */
   storeService: typeof storeService;
+  /** @ignore */
   storageService: typeof storageService;
 };
 
+/**
+ * @ignore
+ */
 export type TE2EUser = {
   login: string;
   password: string;
diff --git a/docker/Dockerfile b/docker/Dockerfile
index b61cade9..2826a9c3 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,6 +13,7 @@ COPY \
     .eslintrc.js \
     .prettierrc \
     tsconfig* \
+    generate-grouped-api-docs.js \
     webpack.config.js \
     ./
 
diff --git a/docker/docker-compose.app-standalone-volumes.yml b/docker/docker-compose.app-standalone-volumes.yml
new file mode 100644
index 00000000..367e5992
--- /dev/null
+++ b/docker/docker-compose.app-standalone-volumes.yml
@@ -0,0 +1,9 @@
+services:
+  node:
+    volumes:
+      - pev-node_modules:/app/node_modules
+      - pev-dist:/app/dist
+
+volumes:
+  pev-node_modules:
+  pev-dist:
\ No newline at end of file
diff --git a/docker/docker-compose.e2e-ci_cd.yml b/docker/docker-compose.e2e-ci_cd.yml
new file mode 100644
index 00000000..2c08f94f
--- /dev/null
+++ b/docker/docker-compose.e2e-ci_cd.yml
@@ -0,0 +1,7 @@
+services:
+  cypress:
+    volumes:
+      - pev-node_modules:/app/node_modules
+      - pev-dist:/app/dist
+    environment:
+      - CYPRESS_TEST_MODE=CI/CD
\ No newline at end of file
diff --git a/docker/docker-compose.services-override.yml b/docker/docker-compose.services-override.yml
deleted file mode 100644
index 68916599..00000000
--- a/docker/docker-compose.services-override.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-services:
-  node:
-    volumes:
-      - pev-node_modules:/app/node_modules
-      - pev-dist:/app/dist
-
-  cypress:
-    volumes:
-      - pev-node_modules:/app/node_modules
-      - pev-dist:/app/dist
-    environment:
-      - CYPRESS_TEST_MODE=CI/CD
-
-volumes:
-  pev-node_modules:
-  pev-dist:
\ No newline at end of file
diff --git a/generate-grouped-api-docs.js b/generate-grouped-api-docs.js
new file mode 100644
index 00000000..9d2d15d9
--- /dev/null
+++ b/generate-grouped-api-docs.js
@@ -0,0 +1,58 @@
+const groups = {
+  middleware: [
+    './src/middleware/features/auth.ts',
+    './src/middleware/helpers/mailer.ts',
+    './src/middleware/helpers/middleware-error-handler.ts',
+    './src/middleware/helpers/middleware-response-wrapper.ts',
+    './src/middleware/routes/api-config.ts',
+    './src/middleware/routes/api-orders.ts',
+    './src/middleware/routes/api-product-categories.ts',
+    './src/middleware/routes/api-products.ts',
+    './src/middleware/routes/api-user-roles.ts',
+    './src/middleware/routes/api-users.ts',
+  ],
+  database: ['./src/database/populate/populate.ts', './src/database/api.ts', './src/database/models/index.ts'],
+  frontend: [
+    './src/frontend/components/pages/_routes.ts',
+    './src/frontend/components/utils/bodyObserver.tsx',
+    './src/frontend/components/utils/flexibleList.jsx',
+    './src/frontend/components/utils/pagination.jsx',
+    './src/frontend/components/utils/pevElements.jsx',
+    './src/frontend/components/utils/popup.jsx',
+    './src/frontend/components/utils/ratingWidget.jsx',
+    './src/frontend/components/utils/scroller.jsx',
+    './src/frontend/contexts/rwd-layout.tsx',
+    './src/frontend/features/httpService.ts',
+    './src/frontend/features/storageService.ts',
+    './src/frontend/features/storeService.ts',
+    './src/frontend/features/userSessionService.ts',
+  ],
+  commons: ['./commons/logger.ts', './commons/types.ts'],
+};
+
+////////
+////////
+
+if (!require('fs').existsSync('./typedoc.json')) {
+  return console.log('TypeDoc config not found - script is probably run by Docker - abort generating docs!');
+}
+
+const { execSync } = require('child_process');
+const { rmSync } = require('fs');
+const execSyncOpts = { stdio: 'inherit' };
+const apiDocsDirPath = `./api-docs/`;
+
+for (const [groupName, groupedFiles] of Object.entries(groups)) {
+  const docsPath = `${apiDocsDirPath}${groupName}`;
+  const concatenatedPath = `${apiDocsDirPath}${groupName}.md`;
+
+  // generate docs
+  execSync(`node_modules/.bin/typedoc ${groupedFiles.join(' ')} --out ${docsPath}`, execSyncOpts);
+  // merge generated docs in single files related to modules
+  execSync(
+    `node_modules/.bin/concat-md --decrease-title-levels --hide-anchor-links ${docsPath} > ${concatenatedPath}`,
+    execSyncOpts
+  );
+  // cleanup after generating process
+  rmSync(`${apiDocsDirPath}${groupName}`, { recursive: true });
+}
diff --git a/package-lock.json b/package-lock.json
index 6c4135fc..0a85e599 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -58,13 +58,10 @@
           }
         },
         "json5": {
-          "version": "2.1.3",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.3.tgz",
-          "integrity": "sha512-KXPvOm8K9IJKFM0bmdn8QXh7udDh1g/giieX0NLCaMnb4hEiVFqnop2ImTXCc5e0/oHz3LTqmHGtExn5hfMkOA==",
-          "dev": true,
-          "requires": {
-            "minimist": "^1.2.5"
-          }
+          "version": "2.2.3",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+          "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+          "dev": true
         },
         "ms": {
           "version": "2.1.2",
@@ -2561,6 +2558,27 @@
         "@sinonjs/commons": "^1.7.0"
       }
     },
+    "@textlint/ast-node-types": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/@textlint/ast-node-types/-/ast-node-types-4.4.3.tgz",
+      "integrity": "sha512-qi2jjgO6Tn3KNPGnm6B7p6QTEPvY95NFsIAaJuwbulur8iJUEenp1OnoUfiDaC/g2WPPEFkcfXpmnu8XEMFo2A==",
+      "dev": true
+    },
+    "@textlint/markdown-to-ast": {
+      "version": "6.0.9",
+      "resolved": "https://registry.npmjs.org/@textlint/markdown-to-ast/-/markdown-to-ast-6.0.9.tgz",
+      "integrity": "sha512-hfAWBvTeUGh5t5kTn2U3uP3qOSM1BSrxzl1jF3nn0ywfZXpRBZr5yRjXnl4DzIYawCtZOshmRi/tI3/x4TE1jQ==",
+      "dev": true,
+      "requires": {
+        "@textlint/ast-node-types": "^4.0.3",
+        "debug": "^2.1.3",
+        "remark-frontmatter": "^1.2.0",
+        "remark-parse": "^5.0.0",
+        "structured-source": "^3.0.2",
+        "traverse": "^0.6.6",
+        "unified": "^6.1.6"
+      }
+    },
     "@tootallnate/once": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
@@ -2799,6 +2817,12 @@
       "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
       "dev": true
     },
+    "@types/minimist": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz",
+      "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
+      "dev": true
+    },
     "@types/mongodb": {
       "version": "3.6.6",
       "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.6.tgz",
@@ -3558,6 +3582,12 @@
       "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==",
       "dev": true
     },
+    "@zamiell/typedoc-plugin-not-exported": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@zamiell/typedoc-plugin-not-exported/-/typedoc-plugin-not-exported-0.2.0.tgz",
+      "integrity": "sha512-R0EOvUfSc7APvBL5ZRkW3J1g/McWnMrVeVaIwrCmz9IiWjQ8LuLumRQxRICuiCz9FEwa3Giz/7SJXbbLf8bQ3A==",
+      "dev": true
+    },
     "abab": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.5.tgz",
@@ -3573,6 +3603,7 @@
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
       "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "dev": true,
       "requires": {
         "mime-types": "~2.1.24",
         "negotiator": "0.6.2"
@@ -3685,6 +3716,23 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
+    "anchor-markdown-header": {
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/anchor-markdown-header/-/anchor-markdown-header-0.5.7.tgz",
+      "integrity": "sha512-AmikqcK15r3q99hPvTa1na9n3eLkW0uE+RL9BZMSgwYalQeDnNXbYrN06BIcBPfGlmsGIE2jvkuvl/x0hyPF5Q==",
+      "dev": true,
+      "requires": {
+        "emoji-regex": "~6.1.0"
+      },
+      "dependencies": {
+        "emoji-regex": {
+          "version": "6.1.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-6.1.3.tgz",
+          "integrity": "sha512-73/zxHTjP2N2FQf0J5ngNjxP9LqG2krUshxYaowI8HxZQsiL2pYJc3k9/O93fc5/lCSkZv+bQ5Esk6k6msiSvg==",
+          "dev": true
+        }
+      }
+    },
     "ansi-colors": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
@@ -3849,6 +3897,12 @@
         "function-bind": "^1.1.1"
       }
     },
+    "arrify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+      "integrity": "sha512-3CYzex9M9FGQjCGMGyi6/31c8GJbgb0qGyrx5HWxPd0aCwh4cB2YjMb2Xf9UuoogrMrlO9cTqnB5rI5GHZTcUA==",
+      "dev": true
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -4404,6 +4458,12 @@
       "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
       "dev": true
     },
+    "bail": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/bail/-/bail-1.0.5.tgz",
+      "integrity": "sha512-xFbRxM1tahm08yHBP16MMjVUAvDaBMD38zsM9EMAUN61omwLmKlOpB/Zku5QkjZ8TZ4vn53pj+t518cH0S03RQ==",
+      "dev": true
+    },
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -4564,6 +4624,60 @@
       "integrity": "sha512-GkTiFpjFtUzU9CbMeJ5iazkCzGL3jrhzerzZIuqLABjbwRaFt33I9tUdSNryIptM+RxDet6OKm2WnLXzW51KsQ==",
       "dev": true
     },
+    "body-parser": {
+      "version": "1.20.1",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz",
+      "integrity": "sha512-jWi7abTbYwajOytWCQc37VulmWiRae5RyTpaCyDcS5/lMdtwSz5lOpDE67srw/HYe35f1z3fDQw+3txg7gNtWw==",
+      "requires": {
+        "bytes": "3.1.2",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.4.1",
+        "qs": "6.11.0",
+        "raw-body": "2.5.1",
+        "type-is": "~1.6.18",
+        "unpipe": "1.0.0"
+      },
+      "dependencies": {
+        "bytes": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+          "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="
+        },
+        "depd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+          "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+        },
+        "object-inspect": {
+          "version": "1.12.2",
+          "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.12.2.tgz",
+          "integrity": "sha512-z+cPxW0QGUp0mcqcsgQyLVRDoXFQbXOwBaqyF7VIgI4TWNQsDHrBpUQslRmIfAoYWdYzs6UlKJtB2XJpTaNSpQ=="
+        },
+        "qs": {
+          "version": "6.11.0",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+          "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+          "requires": {
+            "side-channel": "^1.0.4"
+          }
+        },
+        "side-channel": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+          "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+          "requires": {
+            "call-bind": "^1.0.0",
+            "get-intrinsic": "^1.0.2",
+            "object-inspect": "^1.9.0"
+          }
+        }
+      }
+    },
     "bonjour": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/bonjour/-/bonjour-3.5.0.tgz",
@@ -4584,6 +4698,12 @@
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24=",
       "dev": true
     },
+    "boundary": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/boundary/-/boundary-1.0.1.tgz",
+      "integrity": "sha512-AaLhxHwYVh55iOTJncV3DE5o7RakEUSSj64XXEWRTiIhlp7aDI8qR0vY/k8Uw0Z234VjZi/iG/WxfrvqYPUCww==",
+      "dev": true
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -4883,7 +5003,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
       "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
-      "dev": true,
       "requires": {
         "function-bind": "^1.1.1",
         "get-intrinsic": "^1.0.2"
@@ -4977,6 +5096,24 @@
       "integrity": "sha512-kWWXztvZ5SBQV+eRgKFeh8q5sLuZY2+8WUIzlxWVTg+oGwY14qylx1KbKzHd8P6ZYkAg0xyIDU9JMHhyJMZ1jw==",
       "dev": true
     },
+    "character-entities": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/character-entities/-/character-entities-1.2.4.tgz",
+      "integrity": "sha512-iBMyeEHxfVnIakwOuDXpVkc54HijNgCyQB2w0VfGQThle6NXn50zU6V/u+LDhxHcDUPojn6Kpga3PTAD8W1bQw==",
+      "dev": true
+    },
+    "character-entities-legacy": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/character-entities-legacy/-/character-entities-legacy-1.1.4.tgz",
+      "integrity": "sha512-3Xnr+7ZFS1uxeiUDvV02wQ+QDbc55o97tIV5zHScSPJpcLm/r0DFPcoY3tYRp+VZukxuMeKgXYmsXQHO05zQeA==",
+      "dev": true
+    },
+    "character-reference-invalid": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/character-reference-invalid/-/character-reference-invalid-1.1.4.tgz",
+      "integrity": "sha512-mKKUkUbhPpQlCOfIuZkvSEgktjPFIsZKRRbC6KWVEMvlzblj3i3asQv5ODsrwt0N3pHAEvjP8KTQPHkp0+6jOg==",
+      "dev": true
+    },
     "check-more-types": {
       "version": "2.24.0",
       "resolved": "https://registry.npmjs.org/check-more-types/-/check-more-types-2.24.0.tgz",
@@ -5228,6 +5365,12 @@
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
+    "collapse-white-space": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/collapse-white-space/-/collapse-white-space-1.0.6.tgz",
+      "integrity": "sha512-jEovNnrhMuqyCcjfEJA56v0Xq8SkIoPKDyaHahwo3POf4qcSXqMYuwNcOTzp74vTsR9Tn08z4MxWqAhcekogkQ==",
+      "dev": true
+    },
     "collect-v8-coverage": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/collect-v8-coverage/-/collect-v8-coverage-1.0.1.tgz",
@@ -5334,6 +5477,371 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
     },
+    "concat-md": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/concat-md/-/concat-md-0.5.0.tgz",
+      "integrity": "sha512-PmGLIZDLKknKk+KqHgFqcW7lpTsAgmMDnZA20ElhgoqlXs+9hcWplpUOfzoQcWDEF/HndnkOTxapwf4YtUKE8Q==",
+      "dev": true,
+      "requires": {
+        "doctoc": "^1.4.0",
+        "front-matter": "^4.0.2",
+        "globby": "^11.1.0",
+        "lodash.startcase": "^4.4.0",
+        "meow": "^9.0.0",
+        "transform-markdown-links": "^2.0.0"
+      },
+      "dependencies": {
+        "array-union": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
+          "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
+          "dev": true
+        },
+        "braces": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
+          "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+          "dev": true,
+          "requires": {
+            "fill-range": "^7.0.1"
+          }
+        },
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+          "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
+          "integrity": "sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==",
+          "dev": true,
+          "requires": {
+            "balanced-match": "^1.0.0"
+          }
+        },
+        "glob": {
+          "version": "8.0.3",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-8.0.3.tgz",
+          "integrity": "sha512-ull455NHSHI/Y1FqGaaYFaLGkNMMJbavMrEGFXG/PGrg6y7sutWHUHrz6gy6WEBH6akM1M414dWKCNs+IhKdiQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^5.0.1",
+            "once": "^1.3.0"
+          }
+        },
+        "minimatch": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.2.tgz",
+          "integrity": "sha512-bNH9mmM9qsJ2X4r2Nat1B//1dJVcn3+iBLa3IgqJ7EbGaDNepL9QSHOxN4ng33s52VMMhhIfgCYDk3C4ZmlDAg==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "^2.0.1"
+          }
+        }
+      }
+    },
+    "typedoc-plugin-markdown": {
+      "version": "3.12.1",
+      "resolved": "https://registry.npmjs.org/typedoc-plugin-markdown/-/typedoc-plugin-markdown-3.12.1.tgz",
+      "integrity": "sha512-gMntJq7+JlGJZ5sVjrkzO/rG2dsmNBbWk5ZkcKvYu6QOeBwGcK5tzEyS0aqnFTJj9GCHCB+brAnTuKtAyotNwA==",
+      "dev": true,
+      "requires": {
+        "handlebars": "^4.7.7"
+      }
+    },
+    "typedoc-plugin-missing-exports": {
+      "version": "0.22.6",
+      "resolved": "https://registry.npmjs.org/typedoc-plugin-missing-exports/-/typedoc-plugin-missing-exports-0.22.6.tgz",
+      "integrity": "sha512-1uguGQqa+c5f33nWS3v1mm0uAx4Ii1lw4Kx2zQksmYFKNEWTmrmMXbMNBoBg4wu0p4dFCNC7JIWPoRzpNS6pFA==",
+      "dev": true
+    },
+    "typedoc-plugin-rename-defaults": {
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/typedoc-plugin-rename-defaults/-/typedoc-plugin-rename-defaults-0.6.4.tgz",
+      "integrity": "sha512-0rAeNttAfu6ixbi1yu6d+DqNZN8SfRivj2QbnZ4zVa+5HcCPcmQrlR6WHjNzdDfpkGytiiqPTtRD6pAfW/yACg==",
+      "dev": true
+    },
     "typescript": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.3.tgz",
       "integrity": "sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==",
       "dev": true
     },
+    "uglify-js": {
+      "version": "3.17.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
+      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "dev": true,
+      "optional": true
+    },
     "undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
       "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
       "dev": true
     },
+    "underscore": {
+      "version": "1.8.3",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
+      "integrity": "sha512-5WsVTFcH1ut/kkhAaHf4PVgI8c7++GiVcpCGxPouI6ZVjsqPnSDf8h/8HtVqc0t4fzRXwnMK70EcZeAs3PIddg==",
+      "dev": true
+    },
+    "unherit": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/unherit/-/unherit-1.1.3.tgz",
+      "integrity": "sha512-Ft16BJcnapDKp0+J/rqFC3Rrk6Y/Ng4nzsC028k2jdDII/rdZ7Wd3pPT/6+vIIxRagwRc9K0IUX0Ra4fKvw+WQ==",
+      "dev": true,
+      "requires": {
+        "inherits": "^2.0.0",
+        "xtend": "^4.0.0"
+      }
+    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
@@ -17944,6 +18933,20 @@
       "integrity": "sha512-PqSoPh/pWetQ2phoj5RLiaqIk4kCNwoV3CI+LfGmWLKI3rE3kl1h59XpX2BjgDrmbxD9ARtQobPGU1SguCYuQg==",
       "dev": true
     },
+    "unified": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/unified/-/unified-6.2.0.tgz",
+      "integrity": "sha512-1k+KPhlVtqmG99RaTbAv/usu85fcSRu3wY8X+vnsEhIxNP5VbVIDiXnLqyKIG+UMdyTg0ZX9EI6k2AfjJkHPtA==",
+      "dev": true,
+      "requires": {
+        "bail": "^1.0.0",
+        "extend": "^3.0.0",
+        "is-plain-obj": "^1.1.0",
+        "trough": "^1.0.0",
+        "vfile": "^2.0.0",
+        "x-is-string": "^0.1.0"
+      }
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
@@ -17980,6 +18983,45 @@
         "imurmurhash": "^0.1.4"
       }
     },
+    "unist-util-is": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/unist-util-is/-/unist-util-is-3.0.0.tgz",
+      "integrity": "sha512-sVZZX3+kspVNmLWBPAB6r+7D9ZgAFPNWm66f7YNb420RlQSbn+n8rG8dGZSkrER7ZIXGQYNm5pqC3v3HopH24A==",
+      "dev": true
+    },
+    "unist-util-remove-position": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/unist-util-remove-position/-/unist-util-remove-position-1.1.4.tgz",
+      "integrity": "sha512-tLqd653ArxJIPnKII6LMZwH+mb5q+n/GtXQZo6S6csPRs5zB0u79Yw8ouR3wTw8wxvdJFhpP6Y7jorWdCgLO0A==",
+      "dev": true,
+      "requires": {
+        "unist-util-visit": "^1.1.0"
+      }
+    },
+    "unist-util-stringify-position": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/unist-util-stringify-position/-/unist-util-stringify-position-1.1.2.tgz",
+      "integrity": "sha512-pNCVrk64LZv1kElr0N1wPiHEUoXNVFERp+mlTg/s9R5Lwg87f9bM/3sQB99w+N9D/qnM9ar3+AKDBwo/gm/iQQ==",
+      "dev": true
+    },
+    "unist-util-visit": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/unist-util-visit/-/unist-util-visit-1.4.1.tgz",
+      "integrity": "sha512-AvGNk7Bb//EmJZyhtRUnNMEpId/AZ5Ph/KUpTI09WHQuDZHKovQ1oEv3mfmKpWKtoMzyMC4GLBm1Zy5k12fjIw==",
+      "dev": true,
+      "requires": {
+        "unist-util-visit-parents": "^2.0.0"
+      }
+    },
+    "unist-util-visit-parents": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/unist-util-visit-parents/-/unist-util-visit-parents-2.1.2.tgz",
+      "integrity": "sha512-DyN5vD4NE3aSeB+PXYNKxzGsfocxp6asDc2XXE3b0ekO2BaRUpBicbbUygfSvYfUz1IkmjFR1YF7dPklraMZ2g==",
+      "dev": true,
+      "requires": {
+        "unist-util-is": "^3.0.0"
+      }
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
@@ -17989,7 +19031,7 @@
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
     },
     "unset-value": {
       "version": "1.0.0",
@@ -18049,6 +19091,12 @@
       "integrity": "sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==",
       "dev": true
     },
+    "update-section": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/update-section/-/update-section-0.3.3.tgz",
+      "integrity": "sha512-BpRZMZpgXLuTiKeiu7kK0nIPwGdyrqrs6EDSaXtjD/aQ2T+qVo9a5hRC3HN3iJjCMxNT/VxoLGQ7E/OzE5ucnw==",
+      "dev": true
+    },
     "uri-js": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
@@ -18145,7 +19193,7 @@
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
     },
     "uuid": {
       "version": "8.3.2",
@@ -18224,12 +19272,51 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "vfile": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/vfile/-/vfile-2.3.0.tgz",
+      "integrity": "sha512-ASt4mBUHcTpMKD/l5Q+WJXNtshlWxOogYyGYYrg4lt/vuRjC1EFQtlAofL5VmtVNIZJzWYFJjzGWZ0Gw8pzW1w==",
+      "dev": true,
+      "requires": {
+        "is-buffer": "^1.1.4",
+        "replace-ext": "1.0.0",
+        "unist-util-stringify-position": "^1.0.0",
+        "vfile-message": "^1.0.0"
+      }
+    },
+    "vfile-location": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/vfile-location/-/vfile-location-2.0.6.tgz",
+      "integrity": "sha512-sSFdyCP3G6Ka0CEmN83A2YCMKIieHx0EDaj5IDP4g1pa5ZJ4FJDvpO0WODLxo4LUX4oe52gmSCK7Jw4SBghqxA==",
+      "dev": true
+    },
+    "vfile-message": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/vfile-message/-/vfile-message-1.1.1.tgz",
+      "integrity": "sha512-1WmsopSGhWt5laNir+633LszXvZ+Z/lxveBf6yhGsqnQIhlhzooZae7zV6YVM1Sdkw68dtAW3ow0pOdPANugvA==",
+      "dev": true,
+      "requires": {
+        "unist-util-stringify-position": "^1.1.1"
+      }
+    },
     "vm-browserify": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-1.1.2.tgz",
       "integrity": "sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==",
       "dev": true
     },
+    "vscode-oniguruma": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/vscode-oniguruma/-/vscode-oniguruma-1.7.0.tgz",
+      "integrity": "sha512-L9WMGRfrjOhgHSdOYgCt/yRMsXzLDJSL7BPrOZt73gU0iWO4mpqzqQzOz5srxqTvMBaR0XZTSrVWo4j55Rc6cA==",
+      "dev": true
+    },
+    "vscode-textmate": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/vscode-textmate/-/vscode-textmate-5.2.0.tgz",
+      "integrity": "sha512-Uw5ooOQxRASHgu6C7GVvUxisKXfSgW4oFlO+aa+PAkgmH89O3CXxEEzNRNtHSqtXFTl0nAC1uYj0GMSH27uwtQ==",
+      "dev": true
+    },
     "w3c-hr-time": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
@@ -19770,6 +20857,12 @@
       "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
       "dev": true
     },
+    "wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q==",
+      "dev": true
+    },
     "worker-farm": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.7.0.tgz",
@@ -19862,6 +20955,12 @@
         "async-limiter": "~1.0.0"
       }
     },
+    "x-is-string": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/x-is-string/-/x-is-string-0.1.0.tgz",
+      "integrity": "sha512-GojqklwG8gpzOVEVki5KudKNoq7MbbjYZCbyWzEz7tyPA7eleiE0+ePwOWQQRb5fm86rD3S8Tc0tSFf3AOv50w==",
+      "dev": true
+    },
     "xml-name-validator": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
diff --git a/package.json b/package.json
index 31755bce..fec20372 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "test:unit:dev": "jest --watch --env=node test/unit",
     "test:unit:debug": "node --inspect-brk node_modules/jest/bin/jest.js --runInBand",
     "test:e2e:dev": "cd ./docker && xhost +local: && sudo docker-compose -f docker-compose.yml -f docker-compose.e2e.yml --env-file ../.env up",
-    "test:e2e:CI_CD": "cd ./docker && sudo docker-compose -f docker-compose.yml -f docker-compose.e2e.yml -f docker-compose.services-override.yml --env-file ../.env up --abort-on-container-exit",
+    "test:e2e:CI_CD": "cd ./docker && sudo docker-compose -f docker-compose.yml -f docker-compose.app-standalone-volumes.yml -f docker-compose.e2e.yml -f docker-compose.e2e-ci_cd.yml --env-file ../.env up --abort-on-container-exit",
     "populate-db": "ts-node --files --project tsconfig.backend.json src/database/populate/populate.ts executedFromCLI=true",
     "prepare-commons": "npm run eslint:commons && npm run prettier:commons",
     "dev:frontend": "webpack-dev-server --env development",
@@ -42,7 +42,9 @@
     "build:backend": "rimraf dist/src/middleware dist/src/database dist/commons && tsc --project tsconfig.backend.json",
     "build:frontend": "rimraf dist/src/frontend/ && webpack --env production",
     "build": "npm run build:backend && npm run build:frontend && npm run prepare-commons",
+    "postbuild": "npm run generate-api-docs",
     "debug": "cross-env BACKEND_ONLY=true node --inspect-brk dist/src/middleware/middleware-index.js",
+    "generate-api-docs": "node generate-grouped-api-docs.js",
     "serve": "node_modules/.bin/cross-env BACKEND_ONLY=true node dist/src/middleware/middleware-index.js"
   },
   "devDependencies": {
@@ -65,9 +67,11 @@
     "@types/webpack-dev-server": "^3.11.1",
     "@typescript-eslint/eslint-plugin": "^4.15.2",
     "@typescript-eslint/parser": "^4.15.2",
+    "@zamiell/typedoc-plugin-not-exported": "^0.2.0",
     "babel-cli": "^6.26.0",
     "babel-loader": "^8.1.0",
     "babel-preset-react-app": "^9.1.2",
+    "concat-md": "^0.5.0",
     "copy-webpack-plugin": "^6.0.4",
     "css-loader": "^4.2.1",
     "cypress": "^9.1.1",
@@ -94,6 +98,10 @@
     "style-loader": "^1.3.0",
     "ts-jest": "^26.5.1",
     "ts-node": "^9.1.1",
+    "typedoc": "^0.22.18",
+    "typedoc-plugin-markdown": "^3.12.1",
+    "typedoc-plugin-missing-exports": "^0.22.6",
+    "typedoc-plugin-rename-defaults": "^0.6.4",
     "typescript": "^4.1.3",
     "webpack": "^4.44.1",
     "webpack-cli": "^3.3.12",
@@ -106,7 +114,7 @@
     "classnames": "^2.3.1",
     "cross-env": "^7.0.3",
     "dotenv": "^8.2.0",
-    "express": "^4.17.2",
+    "express": "^4.18.2",
     "formik": "^2.2.9",
     "jsonwebtoken": "^8.5.1",
     "mobx": "^5.15.6",
diff --git a/src/augmentations.d.ts b/src/augmentations.d.ts
index 65425789..3a7392ff 100644
--- a/src/augmentations.d.ts
+++ b/src/augmentations.d.ts
@@ -1,5 +1,5 @@
 import type { DeleteWriteOpResultObject } from 'mongodb';
-import type { TE2E } from './types';
+import type { TE2E } from '@commons/types';
 import type { Cypress } from 'local-cypress';
 import type { IUser } from '@database/models';
 
diff --git a/src/database/api.ts b/src/database/api.ts
index de5ccf11..ce1692fb 100644
--- a/src/database/api.ts
+++ b/src/database/api.ts
@@ -1,3 +1,8 @@
+/**
+ * Facade over database CRUD operations.
+ * @module
+ */
+
 import {
   getModel,
   TCOLLECTION_NAMES,
diff --git a/src/database/models/__core-and-commons.ts b/src/database/models/__core-and-commons.ts
index 0e7ea3b5..05125895 100644
--- a/src/database/models/__core-and-commons.ts
+++ b/src/database/models/__core-and-commons.ts
@@ -1,3 +1,8 @@
+/**
+ * @module
+ * @notExported
+ */
+
 import mongoose from 'mongoose';
 // fix `isValidObjectId` lost `this`
 export const isValidObjectId = mongoose.isValidObjectId.bind(mongoose);
diff --git a/src/database/models/_product.ts b/src/database/models/_product.ts
index 3e8c3bdf..bf469e0d 100644
--- a/src/database/models/_product.ts
+++ b/src/database/models/_product.ts
@@ -1,3 +1,8 @@
+/**
+ * @module
+ * @notExported
+ */
+
 import { Document, Types, Schema, model, COLLECTION_NAMES } from '@database/models/__core-and-commons';
 import mongoosePaginate from 'mongoose-paginate-v2';
 import getLogger from '@commons/logger';
@@ -156,11 +161,17 @@ export type TProductPublic = Pick<
 
 export type TProductToPopulate = Exclude<IProduct, 'prepareUrlFieldBasedOnNameField'>;
 
+/**
+ * @internal
+ */
 export interface IReviews extends Types.Subdocument {
   list: Record<string, string | number>[];
   averageRating: number;
 }
 
+/**
+ * @internal
+ */
 export interface IProduct extends Document {
   name: string;
   url: string;
diff --git a/src/database/models/_user.ts b/src/database/models/_user.ts
index 34f44e76..aa815db3 100644
--- a/src/database/models/_user.ts
+++ b/src/database/models/_user.ts
@@ -1,3 +1,8 @@
+/**
+ * @module
+ * @notExported
+ */
+
 import { model, Schema, Document, Model, TUserRoleName, COLLECTION_NAMES } from '@database/models/__core-and-commons';
 import { randomBytes } from 'crypto';
 import { getToken, comparePasswords } from '@middleware/features/auth';
@@ -243,11 +248,17 @@ export type TUserToPopulate = Pick<IUser, 'login' | 'password' | 'email' | 'isCo
   __accountType: TUserRoleName;
 };
 
+/**
+ * @internal
+ */
 interface IUserModel extends Model<IUser> {
   validateNewUserPayload(newUser: any): string;
   validatePassword(password: unknown): string;
 }
 
+/**
+ * @internal
+ */
 export interface IUser extends Document {
   login: string;
   password: string;
diff --git a/src/database/models/_userRole.ts b/src/database/models/_userRole.ts
index 2fb32f2b..f2c3670f 100644
--- a/src/database/models/_userRole.ts
+++ b/src/database/models/_userRole.ts
@@ -1,3 +1,8 @@
+/**
+ * @module
+ * @notExported
+ */
+
 import {
   Schema,
   model,
@@ -33,6 +38,9 @@ userRoleSchema.methods.toJSON = function () {
 export const UserRoleModel = model<IUserRole>(COLLECTION_NAMES.User_Role, userRoleSchema);
 export type TUserRoleModel = typeof UserRoleModel;
 
+/**
+ * @internal
+ */
 export interface IUserRole extends Document {
   roleName: TUserRoleName;
   owners: Schema.Types.ObjectId[];
diff --git a/src/database/models/index.ts b/src/database/models/index.ts
index 82348db7..0575086f 100644
--- a/src/database/models/index.ts
+++ b/src/database/models/index.ts
@@ -1,3 +1,8 @@
+/**
+ * Groups and re-exports lower level types and values related to working with database'es models.
+ * @module
+ */
+
 import { ProductModel, IProduct } from './_product';
 import { UserModel, IUser } from './_user';
 import { UserRoleModel, IUserRole } from './_userRole';
@@ -13,6 +18,9 @@ export const getModel = <T extends TCOLLECTION_NAMES>(modelName: T) => MODELS[mo
 export type TDocuments = IProduct | IUser | IUserRole;
 export type TSort = { [key: string]: 1 | -1 };
 
+/**
+ * @group Re-export of database models and their related entities.
+ */
 export * from './_product';
 export * from './_user';
 export * from './_userRole';
diff --git a/src/database/populate/populate.ts b/src/database/populate/populate.ts
index 5a29d954..d1ba417b 100644
--- a/src/database/populate/populate.ts
+++ b/src/database/populate/populate.ts
@@ -1,3 +1,18 @@
+/**
+ * Populates database with indicated initial data, optionally doing a cleanup beforehand.
+ * @module
+ * @example <caption>npm usage</caption>
+ * ```sh
+ * npm run populate-db
+ * ```
+ * @example <caption>Manual CLI usage</caption>
+ * ```sh
+ * ts-node src/database/populate/populate.tspopulate.ts \
+ *    executedFromCLI=true \
+ *    products__InputPath=path/to/JSON/with/initial/products/data
+ * ```
+ */
+
 // TODO: [DX] activate `moduleAliasesResolvers.js` beforehand, so module alias can be used here
 import { COLLECTION_NAMES, TCOLLECTION_NAMES } from '../models/__core-and-commons';
 
@@ -13,7 +28,11 @@ const CAPITALIZED_PLURAL_COLLECTION_NAMES = Object.fromEntries(
   })
 ) as TCapitalizedPluralCollectionsMap;
 
-const PARAMS = Object.freeze({
+/**
+ * Maps supported params passed via CLI.
+ * @notExported
+ */
+const PARAMS = {
   EXECUTED_FROM_CLI: 'executedFromCLI',
   CLEAN_ALL_BEFORE: 'cleanAllBefore',
   JSON_FILE_PATH: {
@@ -21,13 +40,17 @@ const PARAMS = Object.freeze({
     [CAPITALIZED_PLURAL_COLLECTION_NAMES.USERS]: 'users__InputPath',
     [CAPITALIZED_PLURAL_COLLECTION_NAMES.USER_ROLES]: 'user_roles__InputPath',
   },
-});
-const DEFAULT_PARAMS = Object.freeze({
+} as const;
+/**
+ * Maps default params, which are applied when regarding individual params are not provided via CLI.
+ * @notExported
+ */
+const DEFAULT_PARAMS = {
   [PARAMS.CLEAN_ALL_BEFORE]: 'true',
   [PARAMS.JSON_FILE_PATH.PRODUCTS]: './initialData/products.json',
   [PARAMS.JSON_FILE_PATH.USERS]: './initialData/users.json',
   [PARAMS.JSON_FILE_PATH.USER_ROLES]: './initialData/user_roles.json',
-});
+} as const;
 
 if (getScriptParamStringValue(PARAMS.EXECUTED_FROM_CLI)) {
   // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -87,6 +110,10 @@ if (!getScriptParamStringValue(PARAMS.JSON_FILE_PATH.PRODUCTS)) {
   throw ReferenceError(`CLI argument "${PARAMS.JSON_FILE_PATH.PRODUCTS}" must be provided as non empty string!`);
 }
 
+/**
+ * Executes database population. May be called from other module or it's automatically called when this script is run from CLI.
+ * @param shouldCleanupAll - Decides whether do database cleanup. Passing `PARAMS.CLEAN_ALL_BEFORE` via CLI is an alternative way to do cleanup.
+ */
 const executeDBPopulation = async (shouldCleanupAll = false) => {
   logger.log('executeDBPopulation() called.');
 
@@ -253,7 +280,8 @@ function updateRelatedProductsNames(sourceDataList: TProductToPopulate[]): Promi
 }
 
 function getScriptParamStringValue(paramName: string) {
-  const paramValue = process.argv.find((arg) => arg.includes(paramName)) ?? DEFAULT_PARAMS[paramName];
+  const paramValue =
+    process.argv.find((arg) => arg.includes(paramName)) ?? DEFAULT_PARAMS[paramName as keyof typeof DEFAULT_PARAMS];
 
   // not using `logger`, because this function might be called before `logger` initialization (to resolve module aliases)
   console.log('[getScriptParamValue()] /paramName:', paramName, '/paramValue:', paramValue);
diff --git a/src/frontend/components/pages/_routes.ts b/src/frontend/components/pages/_routes.ts
index 6dd0445f..e037223e 100644
--- a/src/frontend/components/pages/_routes.ts
+++ b/src/frontend/components/pages/_routes.ts
@@ -1,9 +1,15 @@
+/**
+ * Encapsulates routing paths and methods (such as helpers and guards).
+ * @module
+ */
+
 import queryString from 'query-string';
 import type { useHistory } from 'react-router-dom';
+/** @internal */
 import type { TStoreService } from '@frontend/features/storeService';
 import { ARRAY_FORMAT_SEPARATOR } from '@commons/consts';
 
-const ROUTE_GROUPS = Object.freeze({
+const ROUTE_GROUPS = {
   ROOT: '/',
   PAGES: '/pages',
   get PRODUCTS() {
@@ -12,9 +18,9 @@ const ROUTE_GROUPS = Object.freeze({
   get ACCOUNT() {
     return `${this.PAGES}/account`;
   },
-});
+} as const;
 
-export const ROUTES = Object.freeze({
+export const ROUTES = {
   ROOT: ROUTE_GROUPS.ROOT,
   PAGES: ROUTE_GROUPS.PAGES,
   REGISTER: `${ROUTE_GROUPS.PAGES}/register`,
@@ -48,14 +54,14 @@ export const ROUTES = Object.freeze({
   get ACCOUNT__ORDERS() {
     return `${this.ACCOUNT}/orders`;
   },
-});
+} as const;
 
 const QUERY_PARAMS_CONFIG = {
   arrayFormat: 'bracket-separator',
   arrayFormatSeparator: ARRAY_FORMAT_SEPARATOR,
 } as const;
 
-export const routeHelpers = Object.freeze({
+export const routeHelpers = {
   createModifyProductUrl(productName: string) {
     return ROUTES.PRODUCTS__MODIFY_PRODUCT.replace(/:\w+/, productName);
   },
@@ -88,7 +94,7 @@ export const routeHelpers = Object.freeze({
       });
     };
   },
-});
+} as const;
 
 export const useRoutesGuards = (storeService: TStoreService) => {
   return {
diff --git a/src/frontend/components/svgIcons.jsx b/src/frontend/components/svgIcons.jsx
index 0ed6469d..77739f37 100644
--- a/src/frontend/components/svgIcons.jsx
+++ b/src/frontend/components/svgIcons.jsx
@@ -1,3 +1,8 @@
+/*
+  Factory components for SVG icons, which are not provided by currently used MUI,
+  hence are either custom created or borrowed from other 3rd-party sources.
+*/
+
 import React from 'react';
 import classNames from 'classnames';
 
diff --git a/src/frontend/components/utils/bodyObserver.tsx b/src/frontend/components/utils/bodyObserver.tsx
index 2ac296e9..2eae457d 100644
--- a/src/frontend/components/utils/bodyObserver.tsx
+++ b/src/frontend/components/utils/bodyObserver.tsx
@@ -1,6 +1,12 @@
+/**
+ * Handles HTML `<body>` style changes, which affect position of components,
+ * such as `ScrollToTop` button and `ProductComparisonCandidates` bar.
+ * @module
+ */
+
 type TSubscriptionCallback = {
-  subscriptionID: number,
-  (bodyStyle: CSSStyleDeclaration): void,
+  subscriptionID: number;
+  (bodyStyle: CSSStyleDeclaration): void;
 };
 
 let nextMutationSubscriptionID = 0;
@@ -13,6 +19,10 @@ const bodyObserver = new MutationObserver((mutations) => {
 });
 bodyObserver.observe(document.body, { attributes: true });
 
+/**
+ * Subscribes a provided `callback` to `<body>` style mutations.
+ * @returns subscriptionID, which lets unsubscribing `callback` later.
+ */
 export const subscribeToBodyMutations = (callback: TSubscriptionCallback) => {
   callback.subscriptionID = nextMutationSubscriptionID++;
   bodyMutationSubscribers.push(callback);
@@ -20,6 +30,9 @@ export const subscribeToBodyMutations = (callback: TSubscriptionCallback) => {
   return callback.subscriptionID;
 };
 
+/**
+ * Unsubscribes previously subscribed `callback` (via it's ID) from `<body>` style mutations.
+ */
 export const unSubscribeFromBodyMutations = (subscriptionID: number) => {
   const subscriptionCallbackIndex = bodyMutationSubscribers.findIndex(
     (callback) => callback.subscriptionID === subscriptionID
diff --git a/src/frontend/components/utils/flexibleList.jsx b/src/frontend/components/utils/flexibleList.jsx
index da7f6f32..d4d5101b 100644
--- a/src/frontend/components/utils/flexibleList.jsx
+++ b/src/frontend/components/utils/flexibleList.jsx
@@ -1,3 +1,8 @@
+/**
+ * Flexible list component, which allows adding, editing and deleting it's items in a customizable way.
+ * @module
+ */
+
 import React, { useState, useEffect, useReducer, useMemo } from 'react';
 import classNames from 'classnames';
 
diff --git a/src/frontend/components/utils/pagination.jsx b/src/frontend/components/utils/pagination.jsx
index 736a434d..3a8e1e22 100644
--- a/src/frontend/components/utils/pagination.jsx
+++ b/src/frontend/components/utils/pagination.jsx
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import React from 'react';
 import ReactPaginate from 'react-paginate';
 
diff --git a/src/frontend/components/utils/pevElements.jsx b/src/frontend/components/utils/pevElements.jsx
index fc500b34..a93d7bbc 100644
--- a/src/frontend/components/utils/pevElements.jsx
+++ b/src/frontend/components/utils/pevElements.jsx
@@ -1,3 +1,8 @@
+/**
+ * Facade over commonly used MUI and native HTML elements.
+ * @module
+ */
+
 import React, { forwardRef, useState, useMemo, useEffect } from 'react';
 import { Link } from 'react-router-dom';
 import { Formik, Field, Form } from 'formik';
diff --git a/src/frontend/components/utils/popup.jsx b/src/frontend/components/utils/popup.jsx
index 9f50b5e1..1c07d9f6 100644
--- a/src/frontend/components/utils/popup.jsx
+++ b/src/frontend/components/utils/popup.jsx
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import React, { useCallback, memo, useState, useEffect, useRef } from 'react';
 
 import Dialog from '@material-ui/core/Dialog';
@@ -15,6 +19,9 @@ const POPUP_TYPES = {
   FAILURE: 'FAILURE',
 };
 
+/**
+ * Factory for popup's default closing button.
+ */
 const getClosePopupBtn = (setPopupData) => {
   if (typeof setPopupData !== 'function') {
     throw TypeError(`setPopupData should be a function! Received: ${setPopupData}`);
@@ -44,6 +51,9 @@ const getClosePopupBtn = (setPopupData) => {
 //   }
 // };
 
+/**
+ * Generic error popup component is hooked on {@link HttpService} to present user any errors in more friendly way.
+ */
 const GenericErrorPopup = memo(function GenericErrorPopup() {
   const [popupData, setPopupData] = useState(null);
   const subscriptionHandler = useCallback((exceptionValue) => {
diff --git a/src/frontend/components/utils/ratingWidget.jsx b/src/frontend/components/utils/ratingWidget.jsx
index 764a33cd..3bb756c6 100644
--- a/src/frontend/components/utils/ratingWidget.jsx
+++ b/src/frontend/components/utils/ratingWidget.jsx
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import React, { useState } from 'react';
 import classNames from 'classnames';
 
diff --git a/src/frontend/components/utils/scroller.jsx b/src/frontend/components/utils/scroller.jsx
index 92d24b88..a428fefc 100644
--- a/src/frontend/components/utils/scroller.jsx
+++ b/src/frontend/components/utils/scroller.jsx
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import React, { useMemo, useEffect, useRef, useState, useCallback } from 'react';
 import { createPortal } from 'react-dom';
 
diff --git a/src/frontend/contexts/mui-theme.tsx b/src/frontend/contexts/mui-theme.tsx
index 7dafa14f..ac68c299 100644
--- a/src/frontend/contexts/mui-theme.tsx
+++ b/src/frontend/contexts/mui-theme.tsx
@@ -5,7 +5,7 @@ import { unstable_createMuiStrictModeTheme, createMuiTheme } from '@material-ui/
 // eslint-disable-next-line no-var
 declare var __IS_DEV_MODE__: string;
 
-function MUIThemeProvider({ children }) {
+function MUIThemeProvider({ children }: React.PropsWithChildren<Record<string, unknown>>) {
   // TODO: [DX] refactor this after migrating to React v18 and MUI v5
   // https://github.com/mui/material-ui/issues/13394
 
diff --git a/src/frontend/contexts/rwd-layout.tsx b/src/frontend/contexts/rwd-layout.tsx
index c6142a8a..fee58733 100644
--- a/src/frontend/contexts/rwd-layout.tsx
+++ b/src/frontend/contexts/rwd-layout.tsx
@@ -1,6 +1,11 @@
+/**
+ * Observes DOM viewport changes and emits information about the currently established one.
+ * @module
+ */
+
 import React, { createContext, useState, useMemo, useEffect } from 'react';
 
-const RWDLayoutContext = createContext(undefined);
+const RWDLayoutContext = createContext({});
 
 const mediaQueryList = (() => {
   const documentStyles = window.getComputedStyle(document.documentElement);
@@ -11,7 +16,9 @@ const mediaQueryList = (() => {
       .trim()
       .replace(/\\a|\s{2,}/g, '');
 
-    const mql: TMQLWithName = window.matchMedia(mediaQuery);
+    const mql = window.matchMedia(mediaQuery) as ReturnType<typeof window.matchMedia> & {
+      __deviceName: string;
+    };
     const deviceName = queryName.match(/(?<=--)\w+/)?.[0];
 
     if (!deviceName) {
@@ -32,7 +39,7 @@ const useRWDMediaQuery = () => {
   );
 
   useEffect(() => {
-    function onMQLChange({ matches, media }) {
+    function onMQLChange({ matches, media }: MediaQueryListEvent) {
       if (matches) {
         const matchedMediaName = mediaQueryList.find((mql) => media === mql.media)?.__deviceName;
 
@@ -49,7 +56,7 @@ const useRWDMediaQuery = () => {
     return () => mediaQueryList.forEach((mql) => mql.removeEventListener('change', onMQLChange));
   }, []);
 
-  const mediaQueryCheckers = useMemo(
+  const mediaQueryCheckers = useMemo<Record<string, boolean>>(
     () =>
       mediaQueryList.reduce((output, { __deviceName: mqName }) => {
         const upperCasedMQName = `${mqName[0].toUpperCase()}${mqName.slice(1)}`;
@@ -69,7 +76,7 @@ const useRWDMediaQuery = () => {
   return mediaQueryCheckers;
 };
 
-function RWDLayoutProvider({ children }) {
+function RWDLayoutProvider({ children }: React.PropsWithChildren<Record<string, unknown>>) {
   return <RWDLayoutContext.Provider value={useRWDMediaQuery()}>{children}</RWDLayoutContext.Provider>;
 }
 
diff --git a/src/frontend/features/httpService.ts b/src/frontend/features/httpService.ts
index 1a61516a..0f45c62d 100644
--- a/src/frontend/features/httpService.ts
+++ b/src/frontend/features/httpService.ts
@@ -1,3 +1,8 @@
+/**
+ * Handles HTTP communication between frontend and backend.
+ * @module
+ */
+
 import type { IUser, TUserPublic, TUserRegistrationCredentials, IProduct } from '@database/models';
 import type {
   IEmbracedResponse,
@@ -6,25 +11,38 @@ import type {
   TServerErrorHTTPStatusCodesToData,
 } from '@middleware/helpers/middleware-response-wrapper';
 import type { TProductTechnicalSpecs } from '@middleware/helpers/api-products-specs-mapper';
-import { HTTP_STATUS_CODE, IOrder, TPagination } from '@src/types';
+import { HTTP_STATUS_CODE, IOrder, TPagination } from '@commons/types';
 import storeService from '@frontend/features/storeService';
 import { possiblyReEncodeURI } from '@commons/uriReEncoder';
 import { routeHelpers } from '@frontend/components/pages/_routes';
 
 type TResDataType<T> = T[keyof T];
 
+/**
+ * Handles (low level) HTTP actions as:
+ * - setting appropriate headers,
+ * - assembling requests regarding URL, params, payload, etc. according to used HTTP method and backend expectance,
+ * - initially parsing responses,
+ * - initially handling HTTP errors.
+ */
 class Ajax {
+  /** @internal */
   _API_PATH_NAME: string;
+  /** @internal */
   _BASE_API_URL: string;
+  /** @internal */
   _AUTH_TOKEN: string | null;
+  /** @internal */
   HTTP_METHOD_NAME = {
     GET: 'GET',
     PATCH: 'PATCH',
     POST: 'POST',
     DELETE: 'DELETE',
   } as const;
+  /** @internal */
   _isGenericErrorHandlerActive: boolean;
 
+  /** @internal */
   constructor() {
     this._API_PATH_NAME = 'api';
     this._BASE_API_URL = `${location.origin}/${this._API_PATH_NAME}`;
@@ -32,6 +50,7 @@ class Ajax {
     this._isGenericErrorHandlerActive = true;
   }
 
+  /** @internal */
   get _BASE_API_URL_OBJECT() {
     const urlObject = new URL(location.origin);
     urlObject.pathname = `${this._API_PATH_NAME}/`;
@@ -39,36 +58,43 @@ class Ajax {
     return urlObject;
   }
 
+  /** @internal */
   _getContentTypeHeader() {
     return {
       'Content-Type': 'application/json',
     };
   }
 
+  /** @internal */
   _getAuthHeader() {
     return `Bearer ${this.getAuthToken() || ''}`;
   }
 
+  /** @internal */
   getAuthToken() {
     return this._AUTH_TOKEN;
   }
 
+  /** @internal */
   setAuthToken(authToken: this['_AUTH_TOKEN']) {
     this._AUTH_TOKEN = authToken;
   }
 
+  /** @internal */
   disableGenericErrorHandler() {
     this._isGenericErrorHandlerActive = false;
 
     return this;
   }
 
+  /** @internal */
   _enableGenericErrorHandler() {
     this._isGenericErrorHandlerActive = true;
 
     return this;
   }
 
+  /** @internal */
   _fetchBaseHandler(fetchResult: ReturnType<typeof fetch>) {
     const isGenericErrorHandlerActive = this._isGenericErrorHandlerActive;
     const fetchPromise = fetchResult
@@ -118,6 +144,7 @@ class Ajax {
     return fetchPromise;
   }
 
+  /** @internal */
   _sendRequestWithPayload(methodName: string, apiEndpoint: string, data: unknown, useToken: boolean) {
     const headers = new Headers(this._getContentTypeHeader());
 
@@ -135,6 +162,7 @@ class Ajax {
   }
 
   // TODO: fix creating URL by apiEndpoint
+  /** @internal */
   getRequest(apiEndpoint: { url: string; searchParams: URLSearchParams | string } | string, useToken = false) {
     const url = this._BASE_API_URL_OBJECT;
 
@@ -163,14 +191,17 @@ class Ajax {
     return this._fetchBaseHandler(fetch(url.toString(), options));
   }
 
+  /** @internal */
   postRequest(apiEndpoint: string, data: unknown, useToken = false) {
     return this._sendRequestWithPayload(this.HTTP_METHOD_NAME.POST, apiEndpoint, data, useToken);
   }
 
+  /** @internal */
   patchRequest(apiEndpoint: string, data: unknown, useToken = false) {
     return this._sendRequestWithPayload(this.HTTP_METHOD_NAME.PATCH, apiEndpoint, data, useToken);
   }
 
+  /** @internal */
   deleteRequest(apiEndpoint: string, useToken = false) {
     const url = this._BASE_API_URL_OBJECT;
     url.pathname += apiEndpoint;
@@ -189,7 +220,10 @@ class Ajax {
   }
 }
 
-const httpService = new (class HttpService extends Ajax {
+/**
+ * Intermediates (high level) client actions meant to communicate with backend APIs.
+ */
+class HttpService extends Ajax {
   private URLS = {
     PRODUCTS: 'products',
     PRODUCT_CATEGORIES: 'productCategories',
@@ -214,10 +248,16 @@ const httpService = new (class HttpService extends Ajax {
     searchParams.append('limit', String(pagination.productsPerPage));
   }
 
+  /**
+   * Adds a new product.
+   */
   addProduct(product: IProduct) {
     return this.postRequest(this.URLS.PRODUCTS, product, true);
   }
 
+  /**
+   * Gets products according to optional constraints like: name, price, pagination etc.
+   */
   getProducts(
     initialSearchParams: Partial<{
       name: IProduct['name'];
@@ -266,6 +306,9 @@ const httpService = new (class HttpService extends Ajax {
     return this.getRequest(`${this.URLS.PRODUCTS}?idList=${idList}`);
   }
 
+  /**
+   * Gets products by list of names - mostly useful for retrieving related products of a single one.
+   */
   getProductsByNames(nameList: IProduct['name'][]) {
     const searchParams = new URLSearchParams({ nameList: JSON.stringify(nameList) });
 
@@ -275,6 +318,9 @@ const httpService = new (class HttpService extends Ajax {
     });
   }
 
+  /**
+   * Gets products by a single name - mostly useful for search feature.
+   */
   getProductsByName(name: IProduct['name'], pagination: TPagination, getOnlyEssentialData = true) {
     const searchParams = new URLSearchParams();
     searchParams.append('name', name);
@@ -285,6 +331,9 @@ const httpService = new (class HttpService extends Ajax {
     return this.getRequest({ url: this.URLS.PRODUCTS, searchParams });
   }
 
+  /**
+   * Gets product by it's URL - mostly useful for retrieving product from browser's address bar.
+   */
   getProductByUrl(url: IProduct['url']) {
     const searchParams = new URLSearchParams();
 
@@ -298,16 +347,25 @@ const httpService = new (class HttpService extends Ajax {
   //   return this.getRequest(`${this.URLS.PRODUCTS}/${id}`);
   // }
 
+  /**
+   * Gets categories of all products.
+   */
   getProductCategories() {
     return this.getRequest(this.URLS.PRODUCT_CATEGORIES);
   }
 
+  /**
+   * Gets technical specifications of all products.
+   */
   getProductsSpecifications() {
     return this.getRequest(this.URLS.PRODUCTS_SPECS) as Promise<
       TProductTechnicalSpecs | Pick<ICustomResExt, '__EXCEPTION_ALREADY_HANDLED'>
     >;
   }
 
+  /**
+   * Modifies product.
+   */
   modifyProduct(productName: IProduct['name'], productModifications: Partial<IProduct>) {
     const modifiedProductData = {
       name: productName,
@@ -319,14 +377,23 @@ const httpService = new (class HttpService extends Ajax {
     return this.patchRequest(this.URLS.PRODUCTS, modifiedProductData);
   }
 
+  /**
+   * Adds a new review to chosen product.
+   */
   addProductReview(productName: IProduct['name'], productReview: IProduct['reviews']) {
     return this.patchRequest(`${this.URLS.PRODUCTS}/${productName}/add-review`, productReview);
   }
 
+  /**
+   * Delets a product via it's name.
+   */
   deleteProduct(productName: IProduct['name']) {
     return this.deleteRequest(`${this.URLS.PRODUCTS}/${productName}`, true);
   }
 
+  /**
+   * Gets info about currently logged in user via it's ID taken from app's state.
+   */
   getCurrentUser() {
     const userId = storeService.userAccountState?._id;
 
@@ -337,73 +404,125 @@ const httpService = new (class HttpService extends Ajax {
     return this.getRequest(`${this.URLS.USERS}/${userId}`, true);
   }
 
+  /**
+   * Starts the process of making a new purchase according to given order details.
+   */
   makeOrder(orderDetails: IOrder) {
     return this.postRequest(this.URLS.ORDERS, orderDetails);
   }
 
+  /**
+   * Logs in user based on their login and password credentials.
+   */
   loginUser(loginCredentials: { login: IUser['login']; password: IUser['password'] }) {
     return this.postRequest(`${this.URLS.USERS}/login`, loginCredentials) as Promise<
       TUserPublic | Pick<ICustomResExt, '__EXCEPTION_ALREADY_HANDLED'>
     >;
   }
 
+  /**
+   * Resets user password via it's email.
+   */
   resetPassword(email: IUser['email']) {
     return this.postRequest(`${this.URLS.USERS}/reset-password`, { email });
   }
 
+  /**
+   * Resends (repeats) resetting user password via it's email.
+   */
   resendResetPassword(email: IUser['email']) {
     return this.postRequest(`${this.URLS.USERS}/resend-reset-password`, { email });
   }
 
+  /**
+   * Loggs out user from current session.
+   */
   logoutUser() {
     return this.postRequest(`${this.URLS.USERS}/logout`, null, true);
   }
 
+  /**
+   * Loggs out user from all sessions; current session can be preserved if `preseveCurrentSession` param is true.
+   */
   logOutUserFromSessions(preseveCurrentSession = false) {
     return this.postRequest(`${this.URLS.USERS}/logout-all`, { preseveCurrentSession }, true);
   }
 
+  /**
+   * Gets all user roles.
+   */
   getUserRoles() {
     return this.getRequest(`${this.URLS.USER_ROLES}`);
   }
 
+  /**
+   * Registers a new user according to provided credentials.
+   */
   registerUser(registrationCredentials: TUserRegistrationCredentials) {
     return this.postRequest(`${this.URLS.USERS}/register`, registrationCredentials);
   }
 
+  /**
+   * Confirms a newly registered user via token received on their email.
+   */
   confirmRegistration(token: NonNullable<IUser['tokens']['confirmRegistration']>) {
     return this.postRequest(`${this.URLS.USERS}/confirm-registration`, { token });
   }
 
+  /**
+   * Resends registration confirmation email.
+   */
   resendConfirmRegistration(email: IUser['email']) {
     return this.postRequest(`${this.URLS.USERS}/resend-confirm-registration`, { email });
   }
 
+  /**
+   * Sets a new password for user - mostly after reseting password.
+   */
   setNewPassword(newPassword: IUser['password'], token: NonNullable<IUser['tokens']['auth']>[number]) {
     return this.patchRequest(`${this.URLS.USERS}/set-new-password`, { newPassword, token });
   }
 
+  /**
+   * Changes user's current password to a new one.
+   */
   changePassword(password: IUser['password'], newPassword: IUser['password']) {
     return this.patchRequest(`${this.URLS.USERS}/change-password`, { password, newPassword }, true);
   }
 
+  /**
+   * Adds product to observed by user, so they can more conveniently find it later.
+   */
   addProductToObserved(productId: string) {
     return this.postRequest(`${this.URLS.USERS}/add-product-to-observed`, { productId }, true);
   }
 
+  /**
+   * Removes product from observed by user.
+   */
   removeProductFromObserved(productId: string) {
     return this.deleteRequest(`${this.URLS.USERS}/remove-product-from-observed/${productId}`, true);
   }
 
+  /**
+   * Removes all products from observed by user.
+   */
   removeAllProductsFromObserved() {
     return this.deleteRequest(`${this.URLS.USERS}/remove-all-products-from-observed`, true);
   }
 
+  /**
+   * Retrieves all observed products by user.
+   */
   getObservedProducts() {
     return this.getRequest(`${this.URLS.USERS}/observed-products`, true);
   }
-})();
+}
 
+/**
+ * Keeps track of {@link HttpService} subscribers, which want to externally hook into any request
+ * that returns certain status.
+ */
 const httpServiceSubscriber = (() => {
   const _subscribers: Record<string, TSubCallback | null> = {
     EXCEPTION: null,
@@ -437,6 +556,9 @@ const httpServiceSubscriber = (() => {
   };
 })();
 
+/**
+ * Recognize HTTP responses kinds.
+ */
 const CUSTOM_RES_EXT_DICT = Object.freeze({
   __NO_CONTENT: '__NO_CONTENT',
   __ERROR_TO_HANDLE: '__ERROR_TO_HANDLE',
@@ -451,4 +573,4 @@ interface ICustomResExt {
 
 export { httpServiceSubscriber, CUSTOM_RES_EXT_DICT };
 
-export default httpService;
+export default new HttpService();
diff --git a/src/frontend/features/storageService.ts b/src/frontend/features/storageService.ts
index 46aab3a1..4855a0a4 100644
--- a/src/frontend/features/storageService.ts
+++ b/src/frontend/features/storageService.ts
@@ -1,8 +1,16 @@
-import type { IUserCart } from '@src/types';
+/**
+ * Handles reading and manipulating browser's LocalStorage data.
+ * @module
+ */
+
+import type { IUserCart } from '@commons/types';
 import type { IUser, TUserPublic } from '@database/models';
 
 type TStorageValue = IUserCart | TUserPublic | NonNullable<IUser['tokens']['auth']>[number] | null;
 
+/**
+ * Manipulating storage data API for various contexts, such as `UserCart` or `UserAccount`.
+ */
 const storageService = (() => {
   class StorageService {
     key: string;
@@ -11,6 +19,10 @@ const storageService = (() => {
       this.key = key;
     }
 
+    /**
+     * Update regarding storage context by either setting given `value` or removing existing one,
+     * depending on result of calling `checkIfShouldRemove`.
+     */
     update(value: TStorageValue, checkIfShouldRemove: () => boolean) {
       try {
         if (checkIfShouldRemove()) {
@@ -24,6 +36,9 @@ const storageService = (() => {
       }
     }
 
+    /**
+     * @returns Already parsed (from JSON) stored value.
+     */
     get() {
       try {
         return JSON.parse(String(window.localStorage.getItem(this.key)));
@@ -33,6 +48,9 @@ const storageService = (() => {
       }
     }
 
+    /**
+     * Removes a values.
+     */
     remove() {
       this.update(null, () => true);
     }
diff --git a/src/frontend/features/storeService.ts b/src/frontend/features/storeService.ts
index 3d4c3187..4c211e66 100644
--- a/src/frontend/features/storeService.ts
+++ b/src/frontend/features/storeService.ts
@@ -1,6 +1,10 @@
+/**
+ * @module
+ */
+
 import { observable, decorate, action } from 'mobx';
 import type { TUserPublic } from '@database/models';
-import type { IUserCart } from '@src/types';
+import type { IUserCart } from '@commons/types';
 
 const USER_CART_STATE: IUserCart = {
   totalPrice: 0,
@@ -13,8 +17,11 @@ const INITIAL_USER_ACCOUNT_STATE = null;
 type TUserCartProduct = IUserCart['products'][number] & { count: number };
 
 class StoreService {
+  /** @internal */
   _userAccountState: TUserPublic | null;
+  /** @internal */
   _userCartState: IUserCart;
+  /** @internal */
   _productComparisonState: TUserCartProduct[];
 
   constructor() {
@@ -24,6 +31,7 @@ class StoreService {
     this._productComparisonState = [];
   }
 
+  /** @internal */
   _getProductIndex(newUserCartStateName: TUserCartProduct['name']) {
     return this._userCartState.products.findIndex((productItem) => productItem.name === newUserCartStateName);
   }
@@ -138,15 +146,18 @@ class StoreService {
 }
 
 decorate(StoreService, {
+  /** @internal */
   _userAccountState: observable,
   updateUserAccountState: action,
   clearUserAccountState: action,
 
+  /** @internal */
   _userCartState: observable,
   addProductToUserCartState: action,
   removeProductFromUserCartState: action,
   clearUserCartState: action,
 
+  /** @internal */
   _productComparisonState: observable,
   updateProductComparisonState: action,
   clearProductComparisonState: action,
diff --git a/src/frontend/features/userSessionService.ts b/src/frontend/features/userSessionService.ts
index 3b0ec041..ebe4d0ab 100644
--- a/src/frontend/features/userSessionService.ts
+++ b/src/frontend/features/userSessionService.ts
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import storeService from './storeService';
 import storageService from './storageService';
 import httpService, { CUSTOM_RES_EXT_DICT } from './httpService';
@@ -5,7 +9,7 @@ import type { IUser, TUserPublic } from '@database/models';
 
 type TLogInCredentials = Pick<IUser, 'login' | 'password'>;
 
-const userSessionService = Object.freeze({
+const userSessionService = {
   async logIn(logInCredentials: TLogInCredentials) {
     return httpService.loginUser(logInCredentials).then((res) => {
       if (CUSTOM_RES_EXT_DICT.__EXCEPTION_ALREADY_HANDLED in res) {
@@ -77,7 +81,7 @@ const userSessionService = Object.freeze({
       storeService.updateUserAccountState(userAccount);
     }
   },
-});
+} as const;
 
 if (window.Cypress) {
   window.__E2E__.userSessionService = userSessionService;
diff --git a/src/middleware/features/auth.ts b/src/middleware/features/auth.ts
index af9bbe62..65085399 100644
--- a/src/middleware/features/auth.ts
+++ b/src/middleware/features/auth.ts
@@ -1,10 +1,14 @@
+/**
+ * @module
+ */
+
 import getLogger from '@commons/logger';
 import { compare, hash } from 'bcrypt';
 import { sign, verify } from 'jsonwebtoken';
 import { Request, Response, NextFunction } from 'express';
 import fetch, { RequestInit, Response as FetchResponse } from 'node-fetch';
 import { IUser, TUserRoleName, COLLECTION_NAMES } from '@database/models';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 import { getFromDB } from '@database/api';
 import { dotEnv } from '@commons/dotEnvLoader';
@@ -12,6 +16,7 @@ import { dotEnv } from '@commons/dotEnvLoader';
 const logger = getLogger(module.filename);
 const SALT_ROUNDS = 8;
 
+/** @internal */
 type TToken = { _id: number };
 
 const comparePasswords = (password: string, passwordPattern: string) => {
diff --git a/src/middleware/helpers/mailer.ts b/src/middleware/helpers/mailer.ts
index c9117a81..1e045a2e 100644
--- a/src/middleware/helpers/mailer.ts
+++ b/src/middleware/helpers/mailer.ts
@@ -1,6 +1,10 @@
+/**
+ * @module
+ */
+
 import { createTransport } from 'nodemailer';
-import SMTPTransport = require('nodemailer/lib/smtp-transport');
-import SendmailTransport = require('nodemailer/lib/sendmail-transport');
+import SMTPTransport from 'nodemailer/lib/smtp-transport';
+import SendmailTransport from 'nodemailer/lib/sendmail-transport';
 import { dotEnv } from '@commons/dotEnvLoader';
 
 const translations = Object.freeze({
diff --git a/src/middleware/helpers/middleware-error-handler.ts b/src/middleware/helpers/middleware-error-handler.ts
index 40ffcd1b..49a696d4 100644
--- a/src/middleware/helpers/middleware-error-handler.ts
+++ b/src/middleware/helpers/middleware-error-handler.ts
@@ -1,6 +1,10 @@
+/**
+ * @module
+ */
+
 import type { Request, Response, NextFunction } from 'express';
 import type { TLogger } from '@commons/logger';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { wrapRes } from './middleware-response-wrapper';
 
 type TMiddlewareErrorHandler = (error: Error, req: Request, res: Response) => Pick<Response, 'json'>;
diff --git a/src/middleware/helpers/middleware-response-wrapper.ts b/src/middleware/helpers/middleware-response-wrapper.ts
index 245dca76..02d4aaef 100644
--- a/src/middleware/helpers/middleware-response-wrapper.ts
+++ b/src/middleware/helpers/middleware-response-wrapper.ts
@@ -1,5 +1,10 @@
+/**
+ * Custom wrapper to secure consistent usage of a few {@link https://expressjs.com/en/4x/api.html#res|`Express#res`} methods.
+ * @module
+ */
+
 import type { Response } from 'express';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 
 export interface IEmbracedResponse<PayloadType = never> {
   // TODO: [REFACTOR] 'authToken' could be always paired with 'payload' prop or be contained by it
@@ -84,6 +89,19 @@ function wrapRes<
   Status extends Exclude<TKeyofMappedStatusCode, typeof GROUPED_HTTP_STATUS_CODES.SUCCESSFUL[204]>,
   DataKey extends TDataKeyExt<Status>
 >(res: Response, status: Status, data: Record<DataKey, IEmbracedResponse[DataKey]>): Response;
+/**
+ * It asserts that used `HTTP_STATUS_CODE` is adequate to provided optional payload shape (regarding it's key/label).
+ * @example Without payload
+ * ```ts
+ * wrapRes(res, HTTP_STATUS_CODE.NO_CONTENT);
+ * ```
+ * @example With payload
+ * ```ts
+ * wrapRes(res, HTTP_STATUS_CODE.OK, { payload: someResourceValue });
+ * wrapRes(res, HTTP_STATUS_CODE.CREATED, { message: 'Resource created!' });
+ * wrapRes(res, HTTP_STATUS_CODE.NOT_FOUND, { error: 'Resource not found!' });
+ * ```
+ */
 function wrapRes<Payload, Status extends TKeyofMappedStatusCode, DataKey extends TDataKeyExt<Status>>(
   res: Response,
   status: Status,
diff --git a/src/middleware/helpers/payu-api.ts b/src/middleware/helpers/payu-api.ts
index 890ef323..f02c3f55 100644
--- a/src/middleware/helpers/payu-api.ts
+++ b/src/middleware/helpers/payu-api.ts
@@ -1,5 +1,5 @@
 import fetch from 'node-fetch';
-import { IPayByLinkMethod, IProductInOrder } from '@src/types';
+import { IPayByLinkMethod, IProductInOrder } from '@commons/types';
 import getLogger from '@commons/logger';
 import { dotEnv } from '@commons/dotEnvLoader';
 
diff --git a/src/middleware/middleware-index.ts b/src/middleware/middleware-index.ts
index f7592d23..63e0ae9c 100644
--- a/src/middleware/middleware-index.ts
+++ b/src/middleware/middleware-index.ts
@@ -21,7 +21,7 @@ import apiProductCategories from './routes/api-product-categories';
 import apiUsers from './routes/api-users';
 import apiUserRoles from './routes/api-user-roles';
 import apiOrders from './routes/api-orders';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 import { getPopulationState } from '@database/connector';
 import { dotEnv } from '@commons/dotEnvLoader';
diff --git a/src/middleware/routes/api-config.ts b/src/middleware/routes/api-config.ts
index f0046c67..d2005b6d 100644
--- a/src/middleware/routes/api-config.ts
+++ b/src/middleware/routes/api-config.ts
@@ -1,7 +1,11 @@
+/**
+ * @module
+ */
+
 import getLogger from '@commons/logger';
 import { Router } from 'express';
 import type { Request, Response, NextFunction } from 'express';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 import { executeDBPopulation } from '@database/populate/populate';
diff --git a/src/middleware/routes/api-orders.ts b/src/middleware/routes/api-orders.ts
index 1df7a760..4ef92d5c 100644
--- a/src/middleware/routes/api-orders.ts
+++ b/src/middleware/routes/api-orders.ts
@@ -1,9 +1,13 @@
+/**
+ * @module
+ */
+
 import getLogger from '@commons/logger';
 import { Router, Request, Response, NextFunction } from 'express';
 import fetch, { RequestInit, Response as FetchResponse } from 'node-fetch';
 import { getFromDB } from '@database/api';
 import { authToPayU as getToken } from '@middleware/features/auth';
-import { HTTP_STATUS_CODE, IPayByLinkMethod, IProductInOrder } from '@src/types';
+import { HTTP_STATUS_CODE, IPayByLinkMethod, IProductInOrder } from '@commons/types';
 import { getMinAndMaxPrice, getOrderBody, getOrderHeaders, getOrderPaymentMethod } from '@middleware/helpers/payu-api';
 import { wrapRes, TypeOfHTTPStatusCodes } from '@middleware/helpers/middleware-response-wrapper';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
diff --git a/src/middleware/routes/api-product-categories.ts b/src/middleware/routes/api-product-categories.ts
index 741785bc..ce701cfb 100644
--- a/src/middleware/routes/api-product-categories.ts
+++ b/src/middleware/routes/api-product-categories.ts
@@ -1,7 +1,11 @@
+/**
+ * @module
+ */
+
 import getLogger from '@commons/logger';
 import { Router, Request, Response, NextFunction } from 'express';
 import { getFromDB } from '@database/api';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 import { COLLECTION_NAMES } from '@database/models';
diff --git a/src/middleware/routes/api-products.ts b/src/middleware/routes/api-products.ts
index 95ad17c6..1b5bf707 100644
--- a/src/middleware/routes/api-products.ts
+++ b/src/middleware/routes/api-products.ts
@@ -1,3 +1,7 @@
+/**
+ * @module
+ */
+
 import getLogger from '@commons/logger';
 import { Router, Request, Response, NextFunction } from 'express';
 import { authMiddlewareFn as authMiddleware, userRoleMiddlewareFn } from '@middleware/features/auth';
@@ -5,7 +9,7 @@ import { getFromDB, saveToDB, updateOneModelInDB, deleteFromDB } from '@database
 import { queryBuilder } from '@database/utils/queryBuilder';
 import mapProductsTechnicalSpecs from '@middleware/helpers/api-products-specs-mapper';
 import { IProduct, IReviews, COLLECTION_NAMES, USER_ROLES_MAP } from '@database/models';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 
diff --git a/src/middleware/routes/api-user-roles.ts b/src/middleware/routes/api-user-roles.ts
index c2ead911..ecc9eb97 100644
--- a/src/middleware/routes/api-user-roles.ts
+++ b/src/middleware/routes/api-user-roles.ts
@@ -1,8 +1,12 @@
+/**
+ * @module
+ */
+
 import { Router, Request, Response, NextFunction } from 'express';
 import getLogger from '@commons/logger';
 import { getFromDB } from '@database/api';
 import { IUserRole, COLLECTION_NAMES } from '@database/models';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 
diff --git a/src/middleware/routes/api-users.ts b/src/middleware/routes/api-users.ts
index be790a9d..e0540690 100644
--- a/src/middleware/routes/api-users.ts
+++ b/src/middleware/routes/api-users.ts
@@ -1,10 +1,14 @@
+/**
+ * @module
+ */
+
 import { Router, Request, Response, NextFunction } from 'express';
 import getLogger from '@commons/logger';
 import { saveToDB, getFromDB, updateOneModelInDB, deleteFromDB } from '@database/api';
 import { authMiddlewareFn, hashPassword } from '@middleware/features/auth';
 import { UserModel, IUser, IProduct, UserRoleModel, IUserRole, COLLECTION_NAMES, Schema } from '@database/models';
 import sendMail, { EMAIL_TYPES } from '@middleware/helpers/mailer';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getMiddlewareErrorHandler from '@middleware/helpers/middleware-error-handler';
 import { wrapRes } from '@middleware/helpers/middleware-response-wrapper';
 import { dotEnv } from '@commons/dotEnvLoader';
diff --git a/test/e2e/cypress/integration/account.spec.ts b/test/e2e/cypress/integration/account.spec.ts
index 71dbc57d..8a01370f 100644
--- a/test/e2e/cypress/integration/account.spec.ts
+++ b/test/e2e/cypress/integration/account.spec.ts
@@ -1,7 +1,7 @@
 import { cy, Cypress, it, describe, context, beforeEach, expect } from 'local-cypress';
 import type { TUserPublic } from '@database/models';
 import { ROUTES } from '@frontend/components/pages/_routes';
-import { HTTP_STATUS_CODE, TE2EUser } from '@src/types';
+import { HTTP_STATUS_CODE, TE2EUser } from '@commons/types';
 import { makeCyDataSelector } from '../synchronous-helpers';
 
 const ACCOUNT_TEST_USER: TE2EUser = Object.freeze({
diff --git a/test/e2e/cypress/integration/login.spec.ts b/test/e2e/cypress/integration/login.spec.ts
index 9da10f46..7bbcee03 100644
--- a/test/e2e/cypress/integration/login.spec.ts
+++ b/test/e2e/cypress/integration/login.spec.ts
@@ -1,6 +1,6 @@
 import { cy, describe, beforeEach, it, expect } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
-import { HTTP_STATUS_CODE, TE2EUser } from '@src/types';
+import { HTTP_STATUS_CODE, TE2EUser } from '@commons/types';
 import { makeCyDataSelector } from '../synchronous-helpers';
 import * as users from '@database/populate/initialData/users.json';
 
diff --git a/test/e2e/cypress/integration/order.spec.ts b/test/e2e/cypress/integration/order.spec.ts
index 9b51dd05..b7957cc2 100644
--- a/test/e2e/cypress/integration/order.spec.ts
+++ b/test/e2e/cypress/integration/order.spec.ts
@@ -1,5 +1,5 @@
 import { beforeEach, cy, describe, expect, it } from 'local-cypress';
-import { TE2EUser, HTTP_STATUS_CODE } from '@src/types';
+import { TE2EUser, HTTP_STATUS_CODE } from '@commons/types';
 import { ROUTES } from '@frontend/components/pages/_routes';
 import { makeCyDataSelector } from '../synchronous-helpers';
 import * as users from '@database/populate/initialData/users.json';
diff --git a/test/e2e/cypress/integration/product-filters.spec.ts b/test/e2e/cypress/integration/product-filters.spec.ts
index c332f70c..77836756 100644
--- a/test/e2e/cypress/integration/product-filters.spec.ts
+++ b/test/e2e/cypress/integration/product-filters.spec.ts
@@ -1,7 +1,7 @@
 import { describe, it, cy, expect } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
 import { makeCyDataSelector } from '../synchronous-helpers';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 
 function assertSearchParamsCount(expectedCount: number) {
   cy.location('search').should((search) => {
diff --git a/test/e2e/cypress/integration/product-form.spec.ts b/test/e2e/cypress/integration/product-form.spec.ts
index 4f072cd1..f6c261b8 100644
--- a/test/e2e/cypress/integration/product-form.spec.ts
+++ b/test/e2e/cypress/integration/product-form.spec.ts
@@ -1,7 +1,7 @@
 import { describe, it, cy, beforeEach, context, expect, after } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
 import { makeCyDataSelector } from '../synchronous-helpers';
-import { TE2EUser, HTTP_STATUS_CODE } from '@src/types';
+import { TE2EUser, HTTP_STATUS_CODE } from '@commons/types';
 import * as users from '@database/populate/initialData/users.json';
 
 const exampleSellerUser = (users as TE2EUser[])[1];
diff --git a/test/e2e/cypress/integration/register.spec.ts b/test/e2e/cypress/integration/register.spec.ts
index 2675cf6d..79bd79d2 100644
--- a/test/e2e/cypress/integration/register.spec.ts
+++ b/test/e2e/cypress/integration/register.spec.ts
@@ -1,6 +1,6 @@
 import { cy, describe, it, beforeEach, expect } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
-import { HTTP_STATUS_CODE, TE2EUser } from '@src/types';
+import { HTTP_STATUS_CODE, TE2EUser } from '@commons/types';
 import { makeCyDataSelector } from '../synchronous-helpers';
 
 describe('#register', () => {
diff --git a/test/e2e/cypress/support/index.ts b/test/e2e/cypress/support/index.ts
index e80640fe..e98d5e4e 100644
--- a/test/e2e/cypress/support/index.ts
+++ b/test/e2e/cypress/support/index.ts
@@ -1,7 +1,7 @@
 /// <reference types="cypress" />
 
 import { TMessage } from './email-commands';
-import type { TE2EUser, IUserCart } from '@src/types';
+import type { TE2EUser, IUserCart } from '@commons/types';
 import type { TUserPublic, IUser, TProductPublic } from '@database/models';
 import type { HeadersInit } from 'node-fetch';
 
diff --git a/test/e2e/cypress/support/misc-commands.ts b/test/e2e/cypress/support/misc-commands.ts
index 4e5ffe0b..b4b09151 100644
--- a/test/e2e/cypress/support/misc-commands.ts
+++ b/test/e2e/cypress/support/misc-commands.ts
@@ -1,6 +1,6 @@
 import { cy, Cypress, expect } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
-import { TE2E, IUserCart, HTTP_STATUS_CODE } from '@src/types';
+import { TE2E, IUserCart, HTTP_STATUS_CODE } from '@commons/types';
 
 Cypress.Commands.add('getFromStorage', (key) => {
   return cy.window().then((window) => JSON.parse(window.localStorage.getItem(key) as string));
diff --git a/test/e2e/cypress/support/user-commands.ts b/test/e2e/cypress/support/user-commands.ts
index 3273e577..a94ec812 100644
--- a/test/e2e/cypress/support/user-commands.ts
+++ b/test/e2e/cypress/support/user-commands.ts
@@ -1,6 +1,6 @@
 import { cy, Cypress, expect } from 'local-cypress';
 import { ROUTES } from '@frontend/components/pages/_routes';
-import type { TE2E } from '@src/types';
+import type { TE2E } from '@commons/types';
 import type { TUserPublic } from '@database/models';
 import { makeCyDataSelector } from '../synchronous-helpers';
 
diff --git a/test/unit/middleware/features/auth.spec.ts b/test/unit/middleware/features/auth.spec.ts
index 93144613..f5bde7f3 100644
--- a/test/unit/middleware/features/auth.spec.ts
+++ b/test/unit/middleware/features/auth.spec.ts
@@ -4,7 +4,7 @@ mockAndRequireDBModelsModules();
 
 import { getResMock, TJestMock } from '@unitTests/inline-mocks';
 import { IUser, COLLECTION_NAMES } from '@database/models';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import getType from 'jest-get-type';
 
 const { getFromDB: getFromDBMock } = mockAndRequireModule('src/database/api');
diff --git a/test/unit/middleware/middleware-index.spec.ts b/test/unit/middleware/middleware-index.spec.ts
index 666106b6..c8ef150d 100644
--- a/test/unit/middleware/middleware-index.spec.ts
+++ b/test/unit/middleware/middleware-index.spec.ts
@@ -1,6 +1,6 @@
 import { getRootRelativePath, mockAndRequireModule } from '@unitTests/utils';
 import type { TJestMock } from '@unitTests/inline-mocks';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 
 const globMock: TJestMock = jest.requireActual(getRootRelativePath('__mocks__/glob'));
 const { json: expressJSONMock } = jest.requireActual(getRootRelativePath('__mocks__/express'));
diff --git a/test/unit/middleware/routes/api-product-categories.spec.ts b/test/unit/middleware/routes/api-product-categories.spec.ts
index 7e9584f5..58fc88ea 100644
--- a/test/unit/middleware/routes/api-product-categories.spec.ts
+++ b/test/unit/middleware/routes/api-product-categories.spec.ts
@@ -3,7 +3,7 @@ import { mockAndRequireModule, findAssociatedSrcModulePath, mockAndRequireDBMode
 mockAndRequireDBModelsModules();
 
 import { getResMock, TJestMock } from '@unitTests/inline-mocks';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { COLLECTION_NAMES } from '@database/models';
 
 const { getFromDB } = mockAndRequireModule('src/database/api');
diff --git a/test/unit/middleware/routes/api-products.spec.ts b/test/unit/middleware/routes/api-products.spec.ts
index 22f6bceb..298d51d6 100644
--- a/test/unit/middleware/routes/api-products.spec.ts
+++ b/test/unit/middleware/routes/api-products.spec.ts
@@ -2,7 +2,7 @@ import { findAssociatedSrcModulePath, mockAndRequireModule, mockAndRequireDBMode
 
 mockAndRequireDBModelsModules();
 
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { getNextFnMock, getResMock, TJestMock } from '@unitTests/inline-mocks';
 import { COLLECTION_NAMES, USER_ROLES_MAP } from '@database/models';
 
diff --git a/test/unit/middleware/routes/api-user-roles.spec.ts b/test/unit/middleware/routes/api-user-roles.spec.ts
index ed7a6e05..54f4ef3f 100644
--- a/test/unit/middleware/routes/api-user-roles.spec.ts
+++ b/test/unit/middleware/routes/api-user-roles.spec.ts
@@ -3,7 +3,7 @@ import { findAssociatedSrcModulePath, mockAndRequireModule, mockAndRequireDBMode
 mockAndRequireDBModelsModules();
 
 import { getResMock, TJestMock } from '@unitTests/inline-mocks';
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { COLLECTION_NAMES } from '@database/models';
 
 const { Router, _router } = mockAndRequireModule('express');
diff --git a/test/unit/middleware/routes/api-users.spec.ts b/test/unit/middleware/routes/api-users.spec.ts
index 3f7bfad9..8a16b4ab 100644
--- a/test/unit/middleware/routes/api-users.spec.ts
+++ b/test/unit/middleware/routes/api-users.spec.ts
@@ -7,7 +7,7 @@ const {
 } = mockAndRequireModule('mongoose');
 mockAndRequireDBModelsModules();
 
-import { HTTP_STATUS_CODE } from '@src/types';
+import { HTTP_STATUS_CODE } from '@commons/types';
 import { getResMock, getNextFnMock, TJestMock } from '@unitTests/inline-mocks';
 import { COLLECTION_NAMES } from '@database/models';
 
diff --git a/tsconfig.frontend.json b/tsconfig.frontend.json
index 8fac5fc5..728bbac1 100644
--- a/tsconfig.frontend.json
+++ b/tsconfig.frontend.json
@@ -1,6 +1,6 @@
 {
   "extends": "./tsconfig.json",
-  "include": ["./src/frontend/**/*.ts"],
+  "include": ["./src/frontend/**/*.ts?"],
   "exclude": ["./src/**/__mocks__"],
   "compilerOptions": {
     "module": "ES2020",
diff --git a/tsconfig.typedoc.json b/tsconfig.typedoc.json
new file mode 100644
index 00000000..8f8bbad4
--- /dev/null
+++ b/tsconfig.typedoc.json
@@ -0,0 +1,11 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["./src/**/*.ts", "./src/**/*.tsx", "./src/**/*.js", "./src/**/*.jsx", "./commons/**/*.ts"],
+  "files": ["./src/augmentations.d.ts", "./src/database/populate/populate.ts"],
+  "compilerOptions": {
+    "outDir": "_tmp-compiled-scripts-for-docs",
+    "skipLibCheck": true,
+    "allowJs": true,
+    "jsx": "react"
+  }
+}
diff --git a/typedoc.json b/typedoc.json
new file mode 100644
index 00000000..c5b3d63d
--- /dev/null
+++ b/typedoc.json
@@ -0,0 +1,8 @@
+{
+  "tsconfig": "./tsconfig.typedoc.json",
+  "entryPointStrategy": "expand",
+  "excludeInternal": true,
+  "excludeExternals": true,
+  "exclude": ["./src/**/__mocks__/**", "./src/frontend/assets/**"],
+  "readme": "none"
+}