@chara-codes/widget
v0.1.30
Published
AI Widget component for embedding Chara AI coding assistant into web pages
Maintainers
Readme
@chara-codes/widget
An embeddable AI Widget component that brings intelligent coding assistance directly into web pages through interactive element selection and contextual AI interactions.
Features
- 🎯 Interactive Element Selection: Click any element on a webpage to provide context to the AI
- 🌟 Visual Highlighting: Selected elements are visually highlighted with clear indicators
- 🤖 AI-Powered Assistance: Context-aware AI responses based on selected page elements
- 🔧 Web Component: Can be embedded in any website or web application
- ⚡ Real-time Integration: Seamless integration with Chara AI agents and providers
- 🎨 Customizable UI: Styled with Tailwind CSS and customizable theming
- 📱 Responsive Design: Works across desktop and mobile devices
Installation
npm install @chara-codes/widgetQuick Start
As a Web Component
<!DOCTYPE html>
<html>
<head>
<title>My App with Chara AI Widget</title>
</head>
<body>
<div id="my-app">
<h1>My Application</h1>
<p>Click on any element to get AI assistance!</p>
</div>
<!-- Chara AI Widget -->
<chara-ai-widget></chara-ai-widget>
<script type="module">
import '@chara-codes/widget';
</script>
</body>
</html>As a React Component
import React from 'react';
import { CharaWidget } from '@chara-codes/widget';
function App() {
return (
<div>
<h1>My React App</h1>
<p>Content goes here...</p>
<CharaWidget
apiEndpoint="http://localhost:3031"
enableElementSelection={true}
theme="dark"
/>
</div>
);
}
export default App;Element Selection
The widget enables users to interact with any element on the page:
- Activation: Click the widget to enter selection mode
- Selection: Hover over elements to preview, click to select
- Context: Selected elements provide context including:
- DOM structure and hierarchy
- CSS styles and computed properties
- Element attributes and data
- Text content and accessibility information
- AI Interaction: Ask questions or request assistance about selected elements
Selection Features
- Visual Preview: Hover effects show what will be selected
- Multi-Selection: Select multiple elements for complex queries
- Hierarchy Understanding: AI understands element relationships
- Style Analysis: Detailed CSS and layout information
- Accessibility Context: ARIA attributes and semantic information
Configuration
Widget Props
interface CharaWidgetProps {
// Connection settings
apiEndpoint?: string; // Default: 'http://localhost:3031'
websocketEndpoint?: string; // Default: 'ws://localhost:3031/ws'
// Feature toggles
enableElementSelection?: boolean; // Default: true
enableChat?: boolean; // Default: true
enableCodeGeneration?: boolean; // Default: true
// UI customization
theme?: 'light' | 'dark' | 'auto'; // Default: 'auto'
position?: 'bottom-right' | 'bottom-left' | 'top-right' | 'top-left';
size?: 'small' | 'medium' | 'large'; // Default: 'medium'
// AI configuration
defaultModel?: string; // Default: 'openai:::gpt-4o'
maxTokens?: number; // Default: 4000
temperature?: number; // Default: 0.7
// Callbacks
onElementSelect?: (element: HTMLElement, context: ElementContext) => void;
onResponse?: (response: string) => void;
onError?: (error: Error) => void;
}Element Context
When an element is selected, the widget provides rich context:
interface ElementContext {
// Basic information
tagName: string;
id?: string;
className?: string;
textContent?: string;
// DOM structure
attributes: Record<string, string>;
hierarchy: string[];
siblings: ElementInfo[];
children: ElementInfo[];
// Styling
computedStyles: CSSStyleDeclaration;
boundingRect: DOMRect;
// Accessibility
ariaAttributes: Record<string, string>;
role?: string;
accessibleName?: string;
// Semantic information
semanticInfo: {
isInteractive: boolean;
isForm: boolean;
isNavigation: boolean;
isContent: boolean;
};
}Use Cases
1. Design System Assistance
// Help with component styling and improvements
<CharaWidget
onElementSelect={(element, context) => {
console.log('Selected component:', context.tagName);
console.log('Current styles:', context.computedStyles);
}}
defaultPrompt="Help me improve this component's design and accessibility"
/>2. Debugging Support
// Get help debugging layout and styling issues
<CharaWidget
enableElementSelection={true}
defaultPrompt="What might be causing issues with this element?"
/>3. Code Generation
// Generate code based on selected elements
<CharaWidget
enableCodeGeneration={true}
onResponse={(code) => {
// Handle generated code
navigator.clipboard.writeText(code);
}}
/>4. Accessibility Analysis
// Get accessibility recommendations
<CharaWidget
defaultPrompt="Analyze this element for accessibility issues and provide recommendations"
/>API Integration
The widget integrates with Chara AI agents through REST and WebSocket APIs:
REST API Endpoints
POST /api/chat- Send chat messages with element contextGET /api/models- Get available AI modelsPOST /api/analyze-element- Analyze specific elements
WebSocket Events
element:selected- Element selection eventschat:message- Real-time chat messagesai:response- Streaming AI responseserror- Error notifications
Styling and Theming
The widget uses Tailwind CSS and supports custom theming:
/* Custom theme variables */
:root {
--chara-widget-primary: #3b82f6;
--chara-widget-secondary: #6b7280;
--chara-widget-background: #ffffff;
--chara-widget-border: #e5e7eb;
--chara-widget-text: #1f2937;
}
/* Dark theme */
[data-theme="dark"] {
--chara-widget-primary: #60a5fa;
--chara-widget-secondary: #9ca3af;
--chara-widget-background: #1f2937;
--chara-widget-border: #374151;
--chara-widget-text: #f9fafb;
}Development
Building from Source
# Clone the repository
git clone https://github.com/chara-codes/chara.git
cd chara/packages/widget
# Install dependencies
bun install
# Start development server
bun run dev
# Build for production
bun run build
# Run type checking
bun run typecheckDevelopment Server
The widget includes a development server with hot reload:
bun run dev
# Open http://localhost:3000 to see the widget in actionTesting
# Run tests
bun test
# Run tests with coverage
bun test --coverageBrowser Support
- Chrome 90+
- Firefox 88+
- Safari 14+
- Edge 90+
Security Considerations
- Content Security Policy: Ensure your CSP allows the widget's scripts
- CORS: Configure your API endpoints to allow widget origins
- API Keys: Never expose API keys in client-side code
- Element Access: The widget only accesses DOM elements, not sensitive data
Contributing
- Fork the repository
- Create a feature branch
- Add tests for new functionality
- Submit a pull request
For detailed contribution guidelines, see CONTRIBUTING.md.
License
Apache License 2.0
Copyright (c) 2025 Chara Codes
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
See the main LICENSE file for details.
