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https://github.com/nextlevelshit/code-crispies

An interactive platform for learning CSS through practical challenges
https://github.com/nextlevelshit/code-crispies

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An interactive platform for learning CSS through practical challenges

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README

          

![Code Crispies Logo](./public/android-chrome-192x192.png)
# Code Crispies

An interactive platform for learning CSS and Tailwind CSS through practical challenges.

## ๐Ÿ“š Overview

Code Crispies is a web-based learning platform designed to help users master CSS and Tailwind CSS through hands-on exercises. The application presents a series of progressive challenges organized into themed modules, allowing learners to build their skills step by step while receiving immediate feedback.

### Key Features

- **Interactive Lessons**: Learn CSS and Tailwind concepts through practical, hands-on challenges
- **Dual Mode Support**: Switch between CSS and Tailwind CSS learning modes
- **Progressive Difficulty**: Modules are structured to build skills gradually from basic to advanced
- **Real-Time Feedback**: Get immediate validation on your code solutions with comprehensive feedback
- **Progress Tracking**: Your learning progress is automatically saved in the browser
- **Visual Preview**: See the results of your code in real-time with live preview
- **Comprehensive Modules**: Cover various CSS and Tailwind topics in organized learning paths
- **Schema-Validated Lessons**: All lessons follow a strict JSON schema for consistency

## ๐Ÿ› ๏ธ Technical Stack

- Pure JavaScript (ES Modules)
- HTML5 & CSS3
- Vite for bundling and development
- Vitest for testing with coverage reporting
- JSON Schema validation for lesson structure
- Local Storage for progress persistence
- whatwg-fetch polyfill for compatibility

## ๐Ÿš€ Getting Started

### Prerequisites

- Node.js (v18 or higher recommended)
- npm (v8 or higher recommended)

### Installation

0. NVM (optional)
```bash
nvm use
```

1. Clone the repository:
```bash
git clone https://github.com/nextlevelshit/code-crispies.git
cd code-crispies
```

2. Install dependencies:
```bash
npm i
```

3. Start the development server:
```bash
npm start
```

4. Open your browser and navigate to:
```
http://localhost:1312
```

### Available Scripts

- `npm start` - Start the development server (alias for `npm run dev`)
- `npm run dev` - Start the development server with host binding
- `npm run build` - Build for production
- `npm run preview` - Preview the production build locally with debug mode
- `npm run test` - Run tests once
- `npm run test.watch` - Run tests in watch mode
- `npm run test.coverage` - Run tests with coverage report
- `npm run format` - Format source code with Prettier (includes config files)
- `npm run format.lessons` - Format lesson JSON files with Prettier

## ๐Ÿ“– Usage Guide

### How to Use Code Crispies

1. **Select a Module**: Choose a learning module from the available options
2. **Choose Mode**: Select between CSS or Tailwind CSS learning mode (if applicable)
3. **Read the Challenge**: Each lesson includes a description, task instructions, and learning objectives
4. **Write Code**: Enter your CSS or Tailwind solution in the editor
5. **Run Your Code**: Click the "Run" button (or press Ctrl+Enter) to test your solution
6. **Review Feedback**: Get comprehensive feedback with validation messages
7. **Progress**: Move to the next lesson once your solution passes all validations

### Keyboard Shortcuts

- `Ctrl+Enter` - Run your code
- `Tab` - Insert appropriate indentation

## ๐Ÿงฉ Project Structure

```
code-crispies/
โ”œโ”€โ”€ coverage/ # Test coverage reports
โ”œโ”€โ”€ docs/ # Documentation files (multilingual)
โ”œโ”€โ”€ lessons/ # JSON lesson definitions
โ”œโ”€โ”€ public/ # Static assets and PWA manifests
โ”œโ”€โ”€ schemas/ # JSON Schema definitions
โ”‚ โ””โ”€โ”€ code-crispies-module-schema.json
โ”œโ”€โ”€ src/
โ”‚ โ”œโ”€โ”€ config/ # Configuration files
โ”‚ โ”‚ โ””โ”€โ”€ lessons.js # Module and lesson loading logic
โ”‚ โ”œโ”€โ”€ helpers/ # Helper utilities
โ”‚ โ”‚ โ”œโ”€โ”€ renderer.js # UI rendering functions
โ”‚ โ”‚ โ””โ”€โ”€ validator.js # Code validation logic
โ”‚ โ”œโ”€โ”€ impl/
โ”‚ โ”‚ โ””โ”€โ”€ LessonEngine.js # Core lesson processing logic
โ”‚ โ”œโ”€โ”€ app.js # Main application entry point
โ”‚ โ”œโ”€โ”€ index.html # Main HTML template
โ”‚ โ””โ”€โ”€ main.css # Global styles
โ”œโ”€โ”€ tests/ # Test files
โ”‚ โ”œโ”€โ”€ setup.js # Test configuration
โ”‚ โ””โ”€โ”€ unit/ # Unit tests
โ”œโ”€โ”€ vite.config.js # Vite configuration
โ””โ”€โ”€ vitest.config.js # Vitest configuration
```

## ๐Ÿ“ Adding New Lessons

Lessons are defined in JSON format following the schema in `schemas/code-crispies-module-schema.json`. Each module includes comprehensive lesson definitions with validation rules.

### Module Structure

```json
{
"id": "unique-module-id",
"title": "Module Title",
"description": "Detailed description of module content and purpose",
"mode": "css", // or "tailwind"
"difficulty": "beginner", // "intermediate" or "advanced"
"lessons": [
// Lesson objects...
]
}
```

### Lesson Structure

```json
{
"id": "unique-lesson-id",
"title": "Lesson Title",
"description": "Detailed lesson description and concepts",
"mode": "css", // Optional override for module mode
"task": "Specific task instructions for the student",
"previewHTML": "

HTML for preview
",
"previewBaseCSS": "/* Base styles for preview */",
"sandboxCSS": "/* Additional sandbox styles */",
"initialCode": "/* Starting code for student */",
"solution": "/* Optional solution code */",
"previewContainer": "container-id",
"validations": [
{
"type": "contains", // "contains_class", "not_contains", "regex", "property_value", "syntax", "custom"
"value": "expected-content",
"message": "Feedback message for validation failure",
"options": {
"caseSensitive": false
}
}
]
}
```

### Validation Types

- **contains**: Check if code contains specific text
- **contains_class**: Check if HTML contains specific CSS class
- **not_contains**: Ensure code doesn't contain specific text
- **regex**: Validate against regular expression pattern
- **property_value**: Validate specific CSS property values
- **syntax**: Check for valid CSS syntax
- **custom**: Custom validation logic

## ๐Ÿงช Testing

The project uses Vitest for comprehensive testing with coverage reporting. Tests are organized in the `tests/unit/` directory.

Run tests:
```bash
npm run test
```

Run tests in watch mode:
```bash
npm run test.watch
```

Generate coverage report:
```bash
npm run test.coverage
```

Coverage reports are generated in the `coverage/` directory with detailed HTML reports.

## ๐Ÿšข Deployment

To build the project for production:

```bash
npm run build
```

The output will be generated in the `dist/` directory, which can be deployed to any static web server.

For GitHub Pages deployment, the configuration is already set up with the base path `/code-crispies/`.

Preview the production build locally:
```bash
npm run preview
```

## ๐ŸŒ Internationalization

The project supports multilingual documentation in the `docs/` directory:
- English documentation (`en-*.md`)
- German documentation (`de-*.md`)

## ๐Ÿค Contributing

Contributions are welcome! Please ensure all lessons follow the JSON schema validation.

1. Fork the repository
2. Create your feature branch (`git switch -c feature/amazing-feature`)
3. Add/modify lessons following the schema in `schemas/code-crispies-module-schema.json`
4. Format your code: `npm run format` and `npm run format.lessons`
5. Run tests: `npm run test`
6. Commit your changes (`git commit -m 'Add some amazing feature'`)
7. Push to the branch (`git push origin feature/amazing-feature`)
8. Open a Pull Request

### Adding New Lessons

When adding new lessons:
1. Create or modify JSON files in the `lessons/` directory
2. Ensure they validate against the schema
3. Test thoroughly with various validation scenarios
4. Update documentation if needed

## ๐Ÿ“„ License

Copyright (c) 2025 Michael Czechowski. Licensed under the [./LICENSE](WTFPL).