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# Product Requirements Document (PRD) - Angular Clarity Boilerplate
## 1. Product Vision
To provide a robust, scalable, and feature-rich boilerplate that serves as a foundational template for building modern, enterprise-grade web applications using Angular and the VMware Clarity Design System. The vision is to accelerate the development lifecycle by offering a pre-configured, best-practice project structure.
## 2. Target Audience
The primary target audience consists of **Angular developers and development teams** who require a standardized, efficient, and consistent starting point for new projects. This includes:
* **Enterprise Development Teams:** Teams that need to maintain a consistent look and feel across multiple applications.
* **Independent Developers:** Individuals looking to quickly bootstrap new projects without spending significant time on initial setup and configuration.
## 3. User Stories (Developer Stories)
### User Story 1: Quick Project Initialization
- **As a developer, I want to clone the repository and run `npm install` and `ng serve` to get a live development server running, so that I can bypass manual setup and start building features immediately.**
- **Acceptance Criteria:**
- Given I have Node.js and Angular CLI installed,
- When I clone the repository, install dependencies, and run the start command,
- Then the application compiles successfully and is accessible in my browser at `localhost:4200`.
### User Story 2: Add a New Feature
- **As a developer, I want to create a new lazy-loaded feature module with its own components and routing, so that I can add new sections to the application in a scalable way.**
- **Acceptance Criteria:**
- Given the boilerplate is running,
- When I use the Angular CLI to generate a new module and add it to the main routing configuration,
- Then I can navigate to the new feature's route, and its components are rendered correctly.
### User Story 3: Utilize Shared Components
- **As a developer, I want to use a component from the `SharedModule` within a new feature module, so that I can reuse common UI elements and maintain consistency.**
- **Acceptance Criteria:**
- Given I have a new feature module,
- When I import the `SharedModule` into my feature module,
- Then I can use the shared components (e.g., a custom card or loader) in my feature's templates without errors.
## 4. Functional Requirements
- **FR-001: Pre-configured Angular Environment:** A ready-to-use Angular CLI project with all necessary dependencies and build configurations.
- **FR-002: Clarity Design System Integration:** Full integration of Clarity UI components and styles, ready for immediate use.
- **FR-003: Scalable Architecture:** A modular structure featuring a `CoreModule` for singleton services and a `SharedModule` for reusable UI components, directives, and pipes.
- **FR-004: Responsive Layout:** A default application shell with a responsive header, navigation sidebar, and main content area.
- **FR-005: Routing:** A pre-configured routing module with examples of lazy-loaded feature modules.
- **FR-006: Theming:** Basic support for Clarity's light and dark themes.
## 5. Non-Functional Requirements
- **NFR-001: Performance:** The initial boilerplate should be lightweight, ensuring fast development server startup times and optimized production builds.
- **NFR-002: Usability (Developer Experience):** The codebase must be clean, well-commented, and logically organized to provide an excellent developer experience.
- **NFR-003: Maintainability:** The modular architecture must facilitate easy updates to dependencies and allow for the addition of new features without introducing breaking changes to the core structure.
- **NFR-004: Scalability:** The architecture is designed to support the growth of large, enterprise-scale applications.
- **NFR-005: Extensibility:** The boilerplate should be easy to customize and extend with additional libraries, modules, and configurations as per project-specific needs.
## 6. Out of Scope
The following features and functionalities are explicitly out of scope for the boilerplate:
- **Backend Implementation:** This is a frontend-only boilerplate and does not include any backend code or database.
- **Authentication/Authorization Logic:** While the architecture supports the implementation of security features, no pre-built authentication or authorization logic is included.
- **State Management:** The boilerplate does not include a state management library (e.g., NgRx, Akita) by default, allowing developers to choose the best solution for their needs.
- **Business Logic:** No specific business logic or application features are included beyond the basic structural components.
- **CI/CD Pipelines:** While the project is ready for CI/CD, no pre-configured pipelines are included.

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# Project Plan - Angular Clarity Boilerplate
## 1. Project Goal
To develop and deliver a comprehensive, scalable, and well-documented Angular boilerplate. The final product will serve as a foundational template, enabling developers to rapidly bootstrap new enterprise-grade web applications using the VMware Clarity Design System.
## 2. Methodology
The project will follow an iterative development approach, focusing on establishing a solid architectural foundation first. The goal is to create a robust Minimum Viable Product (MVP) boilerplate that is immediately useful and can be enhanced over time with additional features and refinements based on developer feedback.
## 3. Key Phases & Workflow
1. **Phase 1: Foundation & Architecture Definition:** Define the core architectural patterns, including the modular structure (`Core`, `Shared`, `Feature` modules) and establish the base project setup.
2. **Phase 2: MVP Scope & Requirements:** Outline the essential features for the initial boilerplate release, including Clarity integration, responsive layout, and routing. Document these in the PRD and Architecture Document.
3. **Phase 3: Backlog Creation & Planning:** Break down the architectural and functional requirements into a prioritized list of development tasks.
4. **Phase 4: Development & Integration:** Implement the core architecture, integrate the Clarity Design System, and build out the foundational components and modules.
5. **Phase 5: Quality Assurance & Documentation:** Thoroughly test the boilerplate for stability and ease of use. Ensure all key architectural decisions are well-documented within the code and in project documents like the `README.txt`.
6. **Phase 6: Release & Future Iteration:** Package and release the initial version of the boilerplate. Plan for future enhancements based on potential developer needs and feedback.
## 4. Initial Backlog (MVP Focus)
The following tasks represent the initial backlog for creating the boilerplate:
### Architecture & Setup Tasks
- Initialize a new project using the Angular CLI.
- Define and implement the `CoreModule` for singleton services.
- Define and implement the `SharedModule` for reusable components, pipes, and directives.
- Configure the main `AppRoutingModule` and set up a basic routing structure.
- Establish the environment configuration files (`environments` folder).
### Clarity Design System Integration
- Install all necessary Clarity npm packages (`@clr/angular`, `@clr/ui`, `@cds/core`).
- Import Clarity's global styles and icon assets into the project.
- Implement the main application layout (`AppComponent`) using Clarity's header, sidebar, and content area components.
- Ensure the layout is fully responsive.
### Boilerplate Feature Tasks
- Create an example of a lazy-loaded `FeatureModule` to demonstrate the pattern.
- Add a dashboard or home page component as a default view.
- Include examples of common Clarity components (e.g., a datagrid, a form) on example pages to showcase usage.
- Implement basic support for switching between Clarity's light and dark themes.
### Documentation Tasks
- Create a comprehensive `README.txt` with setup instructions, an overview of the architecture, and usage guidelines.
- Add inline comments to the code to explain key architectural patterns and configurations.
- Generate all required project documentation (`analysis_document.md`, `architecture_document.md`, etc.).
## 5. Feature Prioritization Strategy
Prioritization will focus on establishing a stable and usable foundation. **Must-have** features include the core modular architecture and full integration of the Clarity layout. **Should-have** features include example pages and components. **Could-have** features for future iterations might include state management integration or CI/CD templates.
## 6. Key Technologies
- **Frontend Framework:** Angular
- **Programming Language:** TypeScript
- **UI Library:** VMware Clarity Design System
- **Styling:** SCSS
- **Package Manager:** npm
- **Build Tool:** Angular CLI
## 7. Success Metrics (MVP)
- The boilerplate can be successfully cloned and set up with just `npm install` and `ng serve`.
- The resulting application is stable, responsive, and free of console errors.
- The project structure is logical and easy for an Angular developer to understand.
- All core architectural patterns (Core/Shared/Feature modules, lazy loading) are correctly implemented and demonstrated.
## 8. Future Considerations (Post-MVP)
- Integrating a state management library (e.g., NgRx, Akita) with an example implementation.
- Adding more complex example pages (e.g., a settings page, a user profile).
- Creating custom Angular Schematics to automate the creation of new feature modules that follow the boilerplate's conventions.
- Including pre-configured templates for CI/CD pipelines (e.g., GitHub Actions).

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# Requirements Document
Generated: Tuesday, September 16, 2025
## Functional Requirements (Developer-Facing)
### FR-001: Project Initialization
- **Description:** The system shall provide a developer-ready Angular project that can be set up with minimal effort.
- **Acceptance Criteria:**
- A developer shall be able to clone the project from a Git repository.
- A developer shall be able to install all required dependencies using a single `npm install` command.
- A developer shall be able to start the local development server using the `ng serve` command.
- The boilerplate shall compile without errors and be viewable in a web browser.
- **Priority:** High
### FR-002: Modular Architecture
- **Description:** The system shall be structured with a scalable and maintainable modular architecture.
- **Acceptance Criteria:**
- The project shall include a `CoreModule` for providing singleton services and one-time imports.
- The project shall include a `SharedModule` for reusable components, directives, and pipes.
- The architecture shall support the creation of lazy-loaded `FeatureModules` to encapsulate business domain logic.
- **Priority:** High
### FR-003: Clarity Design System Integration
- **Description:** The system shall be fully integrated with the VMware Clarity Design System for UI components and styling.
- **Acceptance Criteria:**
- All necessary Clarity npm packages shall be included as dependencies.
- Clarity's global stylesheets and assets shall be correctly configured and loaded.
- The boilerplate shall use Clarity components for its core layout (header, sidebar, etc.).
- Developers shall be able to use any Clarity component within their feature modules.
- **Priority:** High
### FR-004: Responsive Application Layout
- **Description:** The system shall provide a default, responsive application layout.
- **Acceptance Criteria:**
- The boilerplate shall include a main application shell with a header, a collapsible sidebar for navigation, and a main content area.
- The layout shall adapt correctly to various screen sizes, including desktop, tablet, and mobile.
- **Priority:** High
### FR-005: Routing and Navigation
- **Description:** The system shall include a pre-configured routing system for navigating between different views.
- **Acceptance Criteria:**
- The project shall have a main `AppRoutingModule`.
- The boilerplate shall provide an example of a lazy-loaded feature route.
- Navigation links in the sidebar shall correctly navigate to their corresponding routes.
- **Priority:** Medium
## Non-Functional Requirements
### NFR-001: Performance (Developer Experience)
- **Description:** The boilerplate should be optimized for a fast and efficient development workflow.
- **Acceptance Criteria:**
- The initial `ng serve` compilation time shall be reasonably fast.
- Live-reloading times during development shall be minimal.
- The production build (`ng build --prod`) shall be optimized, with tree-shaking and minification enabled.
- **Priority:** Medium
### NFR-002: Usability (Developer Experience)
- **Description:** The codebase should be intuitive and easy for an Angular developer to understand and extend.
- **Acceptance Criteria:**
- The project structure shall be logical and follow established Angular best practices.
- The code shall be clean, well-formatted, and include comments for complex or non-obvious sections.
- A comprehensive `README.txt` file shall guide developers on setup, architecture, and usage.
- **Priority:** High
### NFR-003: Maintainability
- **Description:** The codebase should be structured to allow for easy updates, modifications, and extensions.
- **Acceptance Criteria:**
- The modular architecture shall allow for independent development and testing of features.
- Dependencies shall be clearly defined in `package.json` and easy to update.
- The separation of concerns between modules should be strictly enforced.
- **Priority:** High
## Data Requirements (Client-Side)
### Entity Modeling:
- **Description:** The boilerplate will not have predefined data models but will require developers to define them using TypeScript.
- **Attributes:**
- Data models shall be defined as **TypeScript interfaces or classes**.
- These models will represent the structure of data consumed from and sent to a backend API.
## Interface Requirements
### UI/UX Requirements (Frontend Boilerplate):
- **Layout:** A clean, professional single-page application layout based on the Clarity Design System.
- **Header:** A top header bar, typically containing the application title/logo and user-related actions (e.g., profile, logout).
- **Sidebar:** A collapsible vertical navigation sidebar containing links to different feature areas of the application.
- **Content Area:** A main content area where the components for the currently active route are displayed.
- **Styling:** Adherence to the styles and design tokens provided by the Clarity Design System.
### API Requirements (Backend Interaction):
- **Backend Agnostic:** The boilerplate is a frontend application and makes no assumptions about the backend technology stack.
- **Communication Protocol:** The boilerplate shall use Angular's `HttpClient` module to communicate with a backend over HTTP/HTTPS.
- **API Endpoint Configuration:** The base URL for the backend API shall be configurable via the `environments` files (e.g., `environment.ts`, `environment.prod.ts`).
- **Data Format:** The boilerplate is designed to work with APIs that transact data in **JSON** format.
- **Error Handling:** The architecture shall support a centralized way to handle API errors, typically through an `HttpInterceptor` provided in the `CoreModule`.

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# Angular Boilerplate Project - Sprint Plan (Sprint 1)
## Sprint Goal
To establish the foundational architecture of the Angular Clarity Boilerplate, including setting up the core project structure, integrating the Clarity Design System, implementing the main responsive layout, and creating a clear, documented starting point for developers.
## Sprint Duration
[Assumed: A focused 1-week sprint to deliver the core boilerplate MVP.]
## Team Capacity
[Assumed: Full developer availability for the sprint duration.]
## Product Backlog Items (Developer Stories) for Sprint 1
1. **User Story: Quick Project Initialization**
* **As a developer, I want to clone the repository and run `npm install` and `ng serve` to get a live development server running, so that I can bypass manual setup and start building features immediately.**
* **Acceptance Criteria:**
* The project is initialized using the latest stable Angular CLI.
* All necessary dependencies are defined in `package.json`.
* The application compiles successfully without errors.
2. **User Story: Scalable Architecture Foundation**
* **As a developer, I want a well-defined modular structure (`Core`, `Shared`), so that I can build a scalable and maintainable application.**
* **Acceptance Criteria:**
* A `CoreModule` is created for singleton services and one-time imports.
* A `SharedModule` is created for reusable components, directives, and pipes.
* The `AppModule` is cleanly organized and imports the necessary foundational modules.
3. **User Story: Clarity Design System Integration**
* **As a developer, I want a responsive application layout built with the Clarity Design System, so that I have a professional and consistent UI foundation.**
* **Acceptance Criteria:**
* Clarity dependencies are added and correctly configured.
* The main `AppComponent` uses Clarity components for the header, sidebar navigation, and main content area.
* The layout is responsive and functions correctly on desktop, tablet, and mobile screen sizes.
## Sprint Tasks (Derived from User Stories)
### Architecture & Setup Tasks:
- **Task:** Initialize a new Angular project using the Angular CLI.
- **Task:** Clean up default boilerplate files and structure the project directories.
- **Task:** Create the `CoreModule` and ensure it is imported only once in the `AppModule`.
- **Task:** Create the `SharedModule` with common exports (`CommonModule`, `FormsModule`, etc.).
- **Task:** Set up the main `AppRoutingModule` with a default route.
- **Task:** Configure environment files (`environment.ts`, `environment.prod.ts`) with a placeholder for an API base URL.
### Clarity Integration Tasks:
- **Task:** Install `@clr/angular`, `@clr/ui`, and `@cds/core` npm packages.
- **Task:** Configure `angular.json` to include Clarity's global CSS files and assets.
- **Task:** Implement the main application layout in `app.component.html` using `<clr-main-container>`, `<clr-header>`, and `<clr-vertical-nav>`.
- **Task:** Add placeholder navigation links in the vertical navigation sidebar.
- **Task:** Ensure the Clarity icons are properly loaded and can be used within the application.
### Documentation & General Tasks:
- **Task:** Create the initial `README.txt` file with project setup instructions.
- **Task:** Write inline comments for the `CoreModule` and `SharedModule` explaining their purpose.
- **Task:** Set up basic linting rules in `.eslintrc.json` to enforce code quality.
- **Task:** Configure the `.gitignore` file to exclude unnecessary files from version control.
## Definition of Done (DoD) for Sprint 1
- All selected user stories are implemented and meet their acceptance criteria.
- The boilerplate can be successfully set up and run by another developer following the `README.txt`.
- The core architecture (`CoreModule`, `SharedModule`) is in place.
- The main application layout using Clarity is implemented and responsive.
- All code is reviewed, formatted, and merged into the main branch.
- No known critical bugs or console errors in the initial boilerplate.
## Potential Impediments
- Issues with Clarity dependency versions or peer dependencies.
- Unexpected complexities in configuring Clarity's global styles with the Angular CLI.
- Difficulties in achieving the desired responsive behavior with the Clarity layout components.
## Next Steps
- Daily stand-ups to track progress and identify any blockers.
- Prepare for Sprint 2, which will focus on adding example feature modules, advanced routing (lazy loading), and more complex Clarity component examples.
- Sprint Review at the end of the sprint to demonstrate the working boilerplate.
- Sprint Retrospective to refine the development process.

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# Technology Stack Document
Generated: Tuesday, September 16, 2025
## Frontend Technologies
* **Framework:** **Angular**. The boilerplate is built on the latest stable version of the Angular framework, chosen for its robustness, component-based architecture, and suitability for large-scale, enterprise applications.
* **Language:** **TypeScript**. As a superset of JavaScript, TypeScript is used for its strong typing, which improves code quality, maintainability, and developer productivity.
* **Styling:** **SCSS**. SCSS is used for its advanced features over standard CSS, such as variables, nesting, and mixins, allowing for more organized and maintainable stylesheets.
* **UI Framework:** **VMware Clarity Design System**. This comprehensive design system provides a set of accessible, high-quality UI components and a consistent visual language, which accelerates UI development.
* **Core Libraries:**
* **RxJS:** Used extensively throughout Angular for reactive programming and managing asynchronous operations.
* **Zone.js:** A signaling mechanism that enables Angular's automatic change detection.
## Backend Technologies
* **Backend Agnostic:** This is a frontend-only boilerplate and is not tied to any specific backend technology. It is designed to communicate with any backend that exposes a RESTful or GraphQL API.
## Database Technologies
* **Not Applicable:** As a frontend project, the boilerplate does not include a database.
## Infrastructure & Deployment
* **Web Server:** The built application consists of static files that can be served by any modern web server (e.g., **Nginx**, **Apache**, **Caddy**).
* **Hosting:** The project can be deployed to any static site hosting provider, such as **Firebase Hosting**, **Netlify**, **Vercel**, **AWS S3**, or **GitHub Pages**.
* **Containerization (Optional):** The application can be easily containerized using **Docker** for consistent deployment environments.
## Development & Build Tools
* **Build Tool:** **Angular CLI**. The command-line interface for Angular is used for creating, building, testing, and deploying the application.
* **Package Manager:** **npm**. The Node Package Manager is used for managing all project dependencies.
* **Version Control:** **Git**. Git is the standard for version control and source code management.
* **Testing:**
* **Unit Testing:** **Jasmine** (framework) and **Karma** (test runner) are the default tools for unit testing in Angular.
* **End-to-End (E2E) Testing:** The project can be configured to use **Protractor** or more modern alternatives like **Cypress** or **Playwright**.
* **Code Formatting/Linting:**
* **ESLint:** Used for identifying and reporting on patterns in ECMAScript/JavaScript code.
* **Prettier:** An opinionated code formatter that enforces a consistent style.
* **EditorConfig:** Helps maintain consistent coding styles for multiple developers working on the same project across various editors and IDEs.