# toriqul2023/flight_frontend architecture

> Architecture diagram of the GitHub repository toriqul2023/flight_frontend, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-06-27). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/toriqul2023/flight_frontend
- Repository: https://github.com/toriqul2023/flight_frontend

## Overview

1. This repository is a Next.js App Router frontend, not a full-stack app. The architecture is centered on route-based pages under `src/app`, with no API routes, server actions, or separate backend layer visible in the tree.

2. The top-level shell is `src/app/layout.js`, which defines the shared application frame, and `src/app/globals.css`, which provides global styling. `src/app/page.js` is the root landing page entry point.

3. The app is organized into page-level feature routes rather than a component library-first structure. The main user-facing areas are `booking`, `dashboard`, `flights`, `login`, `register`, and `user`.

4. `flights` is a small feature cluster with both a list page (`/flights`) and a dynamic detail page (`/flights/[id]`). That suggests the UI likely navigates from a collection view into a per-flight detail view.

5. `user` is the most internally structured area. It has a route page, a dynamic profile/details route (`/user/[id]`), reusable UI components, and a custom hook under `Hooks/useUser.js`. This indicates the user feature encapsulates its own data-fetching or state-management concerns.

6. The user components are split by responsibility: `UserHeader.jsx` for page framing, `UserCard.jsx` for displaying user data, and `UserForm.jsx` for editing or creating user-related information. That points to a clear separation between presentation and interaction.

7. The custom hook `useUser.js` is the main abstraction boundary in the repo. It likely centralizes user state, loading/error handling, and side effects so the user pages and components remain mostly view-focused.

8. The `login` and `register` routes form a separate authentication entry point cluster. Their presence in the route tree suggests auth is handled as dedicated screens, likely feeding into the dashboard/user areas through navigation state rather than a shared auth subsystem in this repo.

9. `dashboard` and `booking` look like post-authenticated application areas. `dashboard` is probably an overview/home workspace, while `booking` is a task-specific flow related to flight reservation or trip management.

10. The project uses Next.js conventions heavily: file-based routing, dynamic segments, and App Router directories. This means the route structure itself is a major architectural boundary, with each folder under `src/app/(page)` acting as a feature slice.

11. There is no evidence of a separate domain layer, state management library, or backend integration module in the file tree. If data exists, it is likely fetched directly from the page or hook level within the frontend.

12. The runtime/tooling stack is the standard Next.js + React setup, with ESLint and PostCSS configured. `public/` holds static assets, and `next.config.mjs` controls framework behavior at build/runtime.

13. For an architecture diagram, the key elements are: a shared app shell, route-based feature pages, a user feature with reusable components plus a custom hook, and dynamic detail routes for flights and users. The main flow is navigation-driven UI composition rather than service-to-service backend orchestration.

Main entry points: [`src/app/layout.js`](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/layout.js) (Layout), [`src/app/(page)/user/page.jsx`](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/page.jsx) (User Page), [`src/app/(page)/user/[id]/page.jsx`](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/[id]/page.jsx) (User Detail), [`src/app/(page)/flights/page.jsx`](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/flights/page.jsx) (Flights)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_shell["App Shell"]
  node_layout["Layout<br/>next app shell<br/>[layout.js]"]
  node_globals["Global CSS<br/>style sheet<br/>[globals.css]"]
end

subgraph group_routes["Route Pages"]
  node_home["Home<br/>landing page<br/>[page.js]"]
  node_dashboard["Dashboard<br/>route page<br/>[page.jsx]"]
  node_booking["Booking<br/>route page<br/>[page.jsx]"]
  node_flights["Flights<br/>collection page<br/>[page.jsx]"]
  node_flight_detail["Flight Detail<br/>dynamic route<br/>[page.jsx]"]
end

subgraph group_user["User Feature"]
  node_user_home["User Page<br/>feature route<br/>[page.jsx]"]
  node_user_detail["User Detail<br/>dynamic route<br/>[page.jsx]"]
  node_use_user(("useUser<br/>custom hook<br/>[useUser.js]"))
  node_user_header["UserHeader<br/>ui component<br/>[UserHeader.jsx]"]
  node_user_card["UserCard<br/>ui component<br/>[UserCard.jsx]"]
  node_user_form["UserForm<br/>ui component<br/>[UserForm.jsx]"]
end

subgraph group_auth["Auth Screens"]
  node_login["Login<br/>auth page<br/>[page.jsx]"]
  node_register["Register<br/>auth page<br/>[page.jsx]"]
end

node_layout -->|"wraps"| node_home
node_layout -->|"wraps"| node_dashboard
node_layout -->|"wraps"| node_booking
node_layout -->|"wraps"| node_flights
node_layout -->|"wraps"| node_login
node_layout -->|"wraps"| node_register
node_layout -->|"wraps"| node_user_home
node_layout -->|"wraps"| node_user_detail
node_layout -->|"styles"| node_globals
node_flights -->|"navigates"| node_flight_detail
node_user_home -->|"uses"| node_use_user
node_user_detail -->|"uses"| node_use_user
node_user_home -->|"composes"| node_user_header
node_user_home -->|"composes"| node_user_card
node_user_home -->|"composes"| node_user_form
node_user_detail -->|"composes"| node_user_card
node_login -.->|"auth cluster"| node_register

click node_layout "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/layout.js"
click node_globals "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/globals.css"
click node_home "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/page.js"
click node_dashboard "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/dashboard/page.jsx"
click node_booking "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/booking/page.jsx"
click node_flights "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/flights/page.jsx"
click node_flight_detail "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/flights/[id]/page.jsx"
click node_login "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/login/page.jsx"
click node_register "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/register/page.jsx"
click node_user_home "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/page.jsx"
click node_user_detail "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/[id]/page.jsx"
click node_use_user "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/Hooks/useUser.js"
click node_user_header "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserHeader.jsx"
click node_user_card "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserCard.jsx"
click node_user_form "https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserForm.jsx"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_layout,node_globals toneBlue
class node_home,node_dashboard,node_booking,node_flights,node_flight_detail toneAmber
class node_user_home,node_user_detail,node_use_user,node_user_header,node_user_card,node_user_form toneMint
class node_login,node_register toneRose
```

## Components

### App Shell

Shared Next.js app frame and global styling

- [Layout](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/layout.js): next app shell · Shared application frame · `src/app/layout.js`
- [Global CSS](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/globals.css): style sheet · Global styling rules · `src/app/globals.css`

### Route Pages

Top-level page routes exposed by the App Router

- [Home](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/page.js): landing page · Root entry page · `src/app/page.js`
- [Dashboard](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/dashboard/page.jsx): route page · Post-auth overview area · `src/app/(page)/dashboard/page.jsx`
- [Booking](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/booking/page.jsx): route page · Booking workflow entry · `src/app/(page)/booking/page.jsx`
- [Flights](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/flights/page.jsx): collection page · Flight list view · `src/app/(page)/flights/page.jsx`
- [Flight Detail](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/flights/[id]/page.jsx): dynamic route · Per-flight detail view · `src/app/(page)/flights/[id]/page.jsx`

### User Feature

User-specific routes, hook, and reusable UI pieces

- [User Page](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/page.jsx): feature route · User area entry page · `src/app/(page)/user/page.jsx`
- [User Detail](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/[id]/page.jsx): dynamic route · Per-user profile/details view · `src/app/(page)/user/[id]/page.jsx`
- [useUser](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/Hooks/useUser.js): custom hook · User state and side effects · `src/app/(page)/user/Hooks/useUser.js`
- [UserHeader](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserHeader.jsx): ui component · User page framing · `src/app/(page)/user/components/UserHeader.jsx`
- [UserCard](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserCard.jsx): ui component · Displays user data · `src/app/(page)/user/components/UserCard.jsx`
- [UserForm](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/user/components/UserForm.jsx): ui component · Edit/create user form · `src/app/(page)/user/components/UserForm.jsx`

### Auth Screens

Dedicated login and registration entry points

- [Login](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/login/page.jsx): auth page · Sign-in screen · `src/app/(page)/login/page.jsx`
- [Register](https://github.com/toriqul2023/flight_frontend/blob/main/src/app/(page)/register/page.jsx): auth page · Account creation screen · `src/app/(page)/register/page.jsx`

## Connections

- Layout → Home: wraps · Shared shell frames the landing page
- Layout → Dashboard: wraps · Shared shell frames the dashboard route
- Layout → Booking: wraps · Shared shell frames the booking route
- Layout → Flights: wraps · Shared shell frames the flights route
- Layout → Login: wraps · Shared shell frames auth screens
- Layout → Register: wraps · Shared shell frames auth screens
- Layout → User Page: wraps · Shared shell frames the user area
- Layout → User Detail: wraps · Shared shell frames user detail routes
- Layout → Global CSS: styles · Global CSS supports the app shell
- Flights → Flight Detail: navigates · List-to-detail flight flow
- User Page → useUser: uses · User page relies on the shared user hook
- User Detail → useUser: uses · Dynamic user route relies on shared user state
- User Page → UserHeader: composes · Page framing for the user area
- User Page → UserCard: composes · Primary user display component
- User Page → UserForm: composes · Editing/creation UI in the user area
- User Detail → UserCard: composes · Detail view likely reuses the user card
- Login → Register: auth cluster · Parallel authentication entry screens