4.9 KiB
NextJS Style Guide
Rules and standards for NextJS and TypeScript development: architecture, typing, styles, components, API, and infrastructure.
Documentation Structure
Processes
What to do in a specific situation — step-by-step instructions.
| Section | Answers the question |
|---|---|
| Getting Started | What tools to install before starting development? |
| Creating an App | How to create a new project, where to get a template? |
| Creating Pages | How to add a page: routing and screen? |
| Creating Components | How to generate components using templates? |
| Styling | What to use: Mantine, tokens, or PostCSS? |
| Data Fetching | How to fetch data: SWR, codegen, sockets? |
| State Management | When and how to create a store (Zustand)? |
| Localization | How to add translations and work with i18next? |
Basic Rules
What the code should look like — standards not tied to a specific technology.
| Section | Answers the question |
|---|---|
| Tech Stack | What stack do we use? |
| Architecture | How are FSD layers, dependencies, and public API structured? |
| Code Style | How to format code: indentation, quotes, imports, early return? |
| Naming | How to name files, variables, components, hooks? |
| Documentation | How to write JSDoc: what to document and what not? |
| Typing | How to type: type vs interface, any/unknown, FC? |
Applied Sections
How a specific area works — rules, structure, and code examples for specific technologies and tools.
| Section | Answers the question |
|---|---|
| Project Structure | How are folders and files organized by FSD? |
| Components | How is a component structured: files, props, clsx, FC? |
| Templates & Code Generation | How do templates work: syntax, variables, modifiers? |
| Styles | How to write CSS: PostCSS Modules, nesting, media, tokens? |
| Images | (not filled) |
| SVG Sprites | (not filled) |
| Video | (not filled) |
| API | (not filled) |
| Stores | (not filled) |
| Hooks | (not filled) |
| Fonts | (not filled) |
| Localization | (not filled) |
For Assistants
Full documentation in a single MD file: https://gromlab.ru/docs/frontend-style-guide/raw/branch/main/generated/en/RULES.md
Getting Started
Setting up the environment and installing tools before starting development.
Creating an App
How to create a new application: choosing a project template and initialization.
Creating Pages
Page creation pattern: routing (page.tsx) and screen.
Creating Components
Generating components using templates, working with child components.
Styling
Styling tools priority and rules for their application.
Data Fetching
How to fetch data: SWR, API client codegen, sockets.
State Management
When and how to create a store (Zustand), what to store locally vs globally.
Localization
How to add translations and work with i18next.
Tech Stack
Base technology stack and libraries used in projects.
Architecture
Architecture based on FSD (Feature-Sliced Design) and strict module boundaries.
Code Style
Unified code formatting rules: indentation, line breaks, quotes, import order, and readability.
Naming
Naming should be predictable, concise, and reflect the meaning of the entity.
Documentation
Documentation should help understand the purpose of an entity, not duplicate its types or obvious details.
Typing
Typing is required for all public interfaces, functions, and components.
Project Structure
Base project structure and principles of module organization at folder and file level.
Components
Rules for creating UI components across all FSD layers.
Templates & Code Generation
Template tools, syntax, and examples for code generation.
Styles
CSS writing rules: PostCSS Modules, nesting, media queries, variables, formatting.