Lora Charts 📊

A modern, interactive charting library built with Angular and D3.js, featuring beautiful glass-morphism designs and smooth animations.

✨ Features

• +10 Chart Types: Bar, Line, Area, Pie, Scatter, Heatmap, Treemap, Gauge, Wordcloud, and more
• Modern Design: Glass-morphism effects with smooth animations
• Interactive: Tooltips, zoom, hover effects, and customization options
• TypeScript: Fully typed for better developer experience
• Responsive: Adapts to different screen sizes
• Theme Support: Customizable themes with CSS variables
• Storybook: Interactive documentation and component playground

📦 Installation

npm install lora-charts

🚀 Quick Start

Basic Usage

import { Bar } from 'lora-charts';

@Component({
  selector: 'app-example',
  standalone: true,
  imports: [Bar],
  template: `
    <app-bar
      [data]="chartData"
      [width]="800"
      [height]="500"
      [config]="{ animated: true, showGrid: true }"
    />
  `
})
export class ExampleComponent {
  chartData = [
    { label: 'Q1', value: 4500 },
    { label: 'Q2', value: 5200 },
    { label: 'Q3', value: 6100 },
    { label: 'Q4', value: 7300 },
  ];
}

📊 Available Charts

Bar Chart

Perfect for comparing values across categories.

import { Bar } from 'lora-charts';

Line Chart

Ideal for showing trends over time.

import { Line } from 'lora-charts';

Area Chart

Similar to line charts with filled areas.

import { Area } from 'lora-charts';

Pie Chart

Great for showing proportions and percentages.

import { Pie } from 'lora-charts';

Scatter Chart

Perfect for showing correlations and data distributions.

import { Scatter } from 'lora-charts';

Heatmap

Ideal for visualizing data density and patterns.

import { Heatmap } from 'lora-charts';

Treemap

Great for hierarchical data visualization.

import { Treemap } from 'lora-charts';

Gauge Chart

Perfect for showing progress and KPIs.

import { Gauge } from 'lora-charts';

Wordcloud

Visualize word frequencies and text data.

import { Wordcloud } from 'lora-charts';

🎨 Theming

Lora Charts supports custom themes through CSS variables and JSON configuration.

Using Theme Service

import { ThemeService } from 'lora-charts';

constructor(private themeService: ThemeService) {
  this.themeService.loadAndSetTheme('/themes/main.json');
}

Theme Configuration

Create a theme JSON file:

{
  "mode": "light",
  "colors": {
    "primary": "#0071e3",
    "secondary": "#8e44ff",
    "background": "#f5f5f7",
    "text": "#1d1d1f",
    "border": "rgba(0, 0, 0, 0.08)"
  },
  "fonts": {
    "family": "Inter, system-ui, sans-serif",
    "size": {
      "sm": 13,
      "md": 15,
      "lg": 17
    }
  },
  "spacing": {
    "sm": 8,
    "md": 16,
    "lg": 24
  }
}

⚙️ Configuration

Each chart accepts a config object for customization:

Bar Chart Config

{
  orientation?: 'vertical' | 'horizontal';
  showGrid?: boolean;
  showValues?: boolean;
  animated?: boolean;
  barRadius?: number;
  barPadding?: number;
  colors?: string[];
  customTooltip?: (data) => TooltipConfig;
}

Scatter Chart Config

{
  showGrid?: boolean;
  animated?: boolean;
  colors?: string[];
  minBubbleSize?: number;
  maxBubbleSize?: number;
  enableZoom?: boolean;
  xAxisLabel?: string;
  yAxisLabel?: string;
  customTooltip?: (data) => TooltipConfig;
}

🔧 Development

Prerequisites

• Node.js 22+
• npm 11.7.0

Setup

# Clone the repository
git clone https://github.com/HenriqueCosta05/Lora_DS

# Install dependencies
npm install

# Run Storybook
npm run storybook

Project Structure

lora-charts/
├── src/
│   ├── components/
│   │   ├── base/              # Base chart components
│   │   │   ├── axis/
│   │   │   ├── chart-container/
│   │   │   ├── grid/
│   │   │   ├── legend/
│   │   │   └── tooltip/
│   │   └── charts/            # Chart implementations
│   │       ├── area/
│   │       ├── bar/
│   │       ├── gauge/
│   │       ├── heatmap/
│   │       ├── line/
│   │       ├── pie/
│   │       ├── scatter/
│   │       ├── treemap/
│   │       └── wordcloud/
│   ├── services/              # Theme and utility services
│   ├── stories/               # Storybook stories
│   ├── types/                 # TypeScript types
│   └── utils/                 # Helper functions
├── public/
│   └── themes/                # Theme configurations
└── .storybook/                # Storybook configuration

📚 Documentation

Full documentation is available in Storybook:

npm run storybook

Then navigate to http://localhost:6006

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

📝 License

This project is open-source. See the repository for licensing information.

🔗 Links

• GitHub Repository
• Storybook Documentation
• D3.js Documentation
• Angular Documentation

👨‍💻 Author

Henrique Costa

• GitHub: @HenriqueCosta05

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Made with ❤️ using Angular and D3.js