# gokulgunasekaran93/angularfeatures architecture

> Architecture diagram of the GitHub repository gokulgunasekaran93/angularfeatures, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-29). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/gokulgunasekaran93/angularfeatures
- Repository: https://github.com/gokulgunasekaran93/angularfeatures

## Overview

This is an Angular learning application, not a single business workflow: users enter through the app shell and navigate to demonstrations of Angular and JavaScript concepts. The routing table exposes the grid, RxJS, calculator, and dependency-injection examples; the shell also imports several demos directly. Other examples cover signals, component lifecycle, JavaScript fundamentals, and user data. Source excerpts confirm the grid's call to UserService and the RxJS component's use of OperatorsCheckService. Other service behavior and some template-level wiring are not shown, so those connections are omitted.

Main entry points: [`src/app/app.ts`](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.ts) (App shell), [`src/app/app.routes.ts`](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.routes.ts) (Route table), [`src/app/rxjs-operator-comp/rxjs-operator-comp.ts`](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/rxjs-operator-comp/rxjs-operator-comp.ts) (RxJS operators), [`src/app/aggrid/aggrid.ts`](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/aggrid/aggrid.ts) (AG Grid)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_shell["Application shell"]
  node_bootstrap["Bootstrap<br/>[main.ts]"]
  node_app["App shell<br/>[app.ts]"]
  node_config["App configuration<br/>[app.config.ts]"]
  node_routes["Route table<br/>[app.routes.ts]"]
  node_notfound["Not found<br/>[pagenotfound.ts]"]
end

subgraph group_angular["Angular concepts"]
  node_di["Dependency injection"]
  node_carts["Cart lifecycle<br/>[carts.ts]"]
end

subgraph group_reactive["Reactive programming"]
  node_signals["Signals<br/>[signals.ts]"]
  node_rxjs["RxJS operators"]
  node_operators["Operator examples"]
end

subgraph group_examples["Learning examples"]
  node_js["JavaScript course<br/>[js-course.ts]"]
  node_calculator["Calculator<br/>[calculator-ui.ts]"]
  node_grid["AG Grid<br/>[aggrid.ts]"]
  node_userservice["User service<br/>[user.ts]"]
  node_user["User example<br/>[user.ts]"]
  node_usermodel["User model<br/>[user.ts]"]
end

node_learner(("Learner"))

node_learner -->|"opens"| node_app
node_bootstrap -->|"bootstraps"| node_app
node_bootstrap -->|"uses"| node_config
node_config -->|"provides routes"| node_routes
node_routes -->|"routes to"| node_app
node_routes -->|"routes to"| node_grid
node_routes -->|"routes to"| node_rxjs
node_routes -->|"routes to"| node_calculator
node_routes -->|"routes to"| node_di
node_routes -->|"fallback route"| node_notfound
node_app -->|"imports"| node_carts
node_app -->|"imports"| node_js
node_app -->|"imports"| node_signals
node_app -->|"imports"| node_user
node_app -->|"imports"| node_rxjs
node_app -->|"imports"| node_grid
node_app -->|"imports"| node_calculator
node_rxjs -->|"uses streams"| node_operators
node_grid -->|"requests users"| node_userservice

click node_bootstrap "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/main.ts"
click node_app "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.ts"
click node_config "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.config.ts"
click node_routes "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.routes.ts"
click node_notfound "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/pagenotfound/pagenotfound.ts"
click node_di "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/dependency-injection/dependency-injection.ts"
click node_signals "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/signals/signals.ts"
click node_rxjs "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/rxjs-operator-comp/rxjs-operator-comp.ts"
click node_operators "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Services/operators-check-service.ts"
click node_js "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Javascript/js-course/js-course.ts"
click node_carts "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/carts/carts.ts"
click node_calculator "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/calculator-ui/calculator-ui.ts"
click node_grid "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/aggrid/aggrid.ts"
click node_userservice "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Services/user.ts"
click node_user "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/user/user.ts"
click node_usermodel "https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Models/user.ts"

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_bootstrap,node_app,node_config,node_routes,node_notfound toneBlue
class node_di,node_carts toneAmber
class node_signals,node_rxjs,node_operators toneMint
class node_js,node_calculator,node_grid,node_userservice,node_user,node_usermodel toneRose
class node_learner toneIndigo
```

## Components

### Application shell

- [Bootstrap](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/main.ts): `src/main.ts`
- [App shell](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.ts): `src/app/app.ts`
- [App configuration](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.config.ts): `src/app/app.config.ts`
- [Route table](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/app.routes.ts): `src/app/app.routes.ts`
- [Not found](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/pagenotfound/pagenotfound.ts): `src/app/pagenotfound/pagenotfound.ts`

### Angular concepts

- [Dependency injection](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/dependency-injection/dependency-injection.ts): `src/app/dependency-injection/dependency-injection.ts`
- [Cart lifecycle](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/carts/carts.ts): `src/app/carts/carts.ts`

### Reactive programming

- [Signals](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/signals/signals.ts): `src/app/signals/signals.ts`
- [RxJS operators](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/rxjs-operator-comp/rxjs-operator-comp.ts): `src/app/rxjs-operator-comp/rxjs-operator-comp.ts`
- [Operator examples](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Services/operators-check-service.ts): `src/app/Services/operators-check-service.ts`

### Learning examples

- [JavaScript course](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Javascript/js-course/js-course.ts): `src/app/Javascript/js-course/js-course.ts`
- [Calculator](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/calculator-ui/calculator-ui.ts): `src/app/calculator-ui/calculator-ui.ts`
- [AG Grid](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/aggrid/aggrid.ts): `src/app/aggrid/aggrid.ts`
- [User service](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Services/user.ts): `src/app/Services/user.ts`
- [User example](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/user/user.ts): `src/app/user/user.ts`
- [User model](https://github.com/gokulgunasekaran93/angularfeatures/blob/main/src/app/Models/user.ts): `src/app/Models/user.ts`

### Other components

- **Learner**

## Connections

- Learner → App shell: opens
- Bootstrap → App shell: bootstraps
- Bootstrap → App configuration: uses
- App configuration → Route table: provides routes
- Route table → App shell: routes to
- Route table → AG Grid: routes to
- Route table → RxJS operators: routes to
- Route table → Calculator: routes to
- Route table → Dependency injection: routes to
- Route table → Not found: fallback route
- App shell → Cart lifecycle: imports
- App shell → JavaScript course: imports
- App shell → Signals: imports
- App shell → User example: imports
- App shell → RxJS operators: imports
- App shell → AG Grid: imports
- App shell → Calculator: imports
- RxJS operators → Operator examples: uses streams
- AG Grid → User service: requests users