chore: import upstream snapshot with attribution

This commit is contained in:
wehub-resource-sync
2026-07-13 12:12:13 +08:00
commit 0446c45d8e
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# Crawl4AI Chrome Extension
Visual extraction tools for Crawl4AI - Click to extract data and content from any webpage!
## 🚀 Features
- **Click2Crawl**: Click on elements to build data extraction schemas instantly
- **Markdown Extraction**: Select elements and export as clean markdown
- **Script Builder (Alpha)**: Record browser actions to create automation scripts
- **Smart Element Selection**: Container and field selection with visual feedback
- **Code Generation**: Generates complete Python code for Crawl4AI
- **Beautiful Dark UI**: Consistent with Crawl4AI's design language
## 📦 Installation
### Method 1: Load Unpacked Extension (Recommended for Development)
1. Open Chrome and navigate to `chrome://extensions/`
2. Enable "Developer mode" in the top right corner
3. Click "Load unpacked"
4. Select the `crawl4ai-assistant` folder
5. The extension icon (🚀🤖) will appear in your toolbar
### Method 2: Generate Icons First
If you want proper icons:
1. Open `icons/generate_icons.html` in your browser
2. Right-click each canvas and save as:
- `icon-16.png`
- `icon-48.png`
- `icon-128.png`
3. Then follow Method 1 above
## 🎯 How to Use
### Using Click2Crawl
1. **Navigate to any website** you want to extract data from
2. **Click the Crawl4AI extension icon** in your toolbar
3. **Click "Click2Crawl"** to start the capture mode
4. **Select a container element**:
- Hover over elements (they'll highlight in blue)
- Click on a repeating container (e.g., product card, article block)
5. **Select fields within the container**:
- Elements will now highlight in green
- Click on each piece of data you want to extract
- Name each field (e.g., "title", "price", "description")
6. **Test and Export**:
- Click "Test Schema" to see extracted data instantly
- Export as Python code, JSON schema, or markdown
### Running the Generated Code
The downloaded Python file contains:
```python
# 1. The HTML snippet of your selected container
HTML_SNIPPET = """..."""
# 2. The extraction query based on your selections
EXTRACTION_QUERY = """..."""
# 3. Functions to generate and test the schema
async def generate_schema():
# Generates the extraction schema using LLM
async def test_extraction():
# Tests the schema on the actual website
```
To use it:
1. Install Crawl4AI: `pip install crawl4ai`
2. Run the script: `python crawl4ai_schema_*.py`
3. The script will generate a `generated_schema.json` file
4. Use this schema in your Crawl4AI projects!
## 🎨 Visual Feedback
- **Blue dashed outline**: Container selection mode
- **Green dashed outline**: Field selection mode
- **Solid blue outline**: Selected container
- **Solid green outline**: Selected fields
- **Floating toolbar**: Shows current mode and selection status
## ⌨️ Keyboard Shortcuts
- **ESC**: Cancel current capture session
## 🔧 Technical Details
- Built with Manifest V3 for security and performance
- Pure client-side - no data sent to external servers
- Generates code that uses Crawl4AI's LLM integration
- Smart selector generation prioritizes stable attributes
## 🐛 Troubleshooting
### Extension doesn't load
- Make sure you're in Developer Mode
- Check the console for any errors
- Ensure all files are in the correct directories
### Can't select elements
- Some websites may block extensions
- Try refreshing the page
- Make sure you clicked "Schema Builder" first
### Generated code doesn't work
- Ensure you have Crawl4AI installed
- Check that you have an LLM API key configured
- Make sure the website structure hasn't changed
## 🤝 Contributing
This extension is part of the Crawl4AI project. Contributions are welcome!
- Report issues: [GitHub Issues](https://github.com/unclecode/crawl4ai/issues)
- Join discussion: [Discord](https://discord.gg/crawl4ai)
## 📄 License
Same as Crawl4AI - see main project for details.
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// Service worker for Crawl4AI Assistant
// Handle messages from content script
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
if (message.action === 'downloadCode' || message.action === 'downloadScript') {
try {
// Create a data URL for the Python code
const dataUrl = 'data:text/plain;charset=utf-8,' + encodeURIComponent(message.code);
// Download the file
chrome.downloads.download({
url: dataUrl,
filename: message.filename || 'crawl4ai_schema.py',
saveAs: true
}, (downloadId) => {
if (chrome.runtime.lastError) {
console.error('Download failed:', chrome.runtime.lastError);
sendResponse({ success: false, error: chrome.runtime.lastError.message });
} else {
console.log('Download started with ID:', downloadId);
sendResponse({ success: true, downloadId: downloadId });
}
});
} catch (error) {
console.error('Error creating download:', error);
sendResponse({ success: false, error: error.message });
}
return true; // Keep the message channel open for async response
}
return false;
});
// Clean up on extension install/update
chrome.runtime.onInstalled.addListener(() => {
// Clear any stored state
chrome.storage.local.clear();
});
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// Main content script for Crawl4AI Assistant
// Coordinates between Click2Crawl, ScriptBuilder, and MarkdownExtraction
let activeBuilder = null;
// Listen for messages from popup
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
if (request.action === 'startCapture') {
if (activeBuilder) {
console.log('Stopping existing capture session');
activeBuilder.stop();
activeBuilder = null;
}
if (request.mode === 'schema') {
console.log('Starting Click2Crawl');
activeBuilder = new Click2Crawl();
activeBuilder.start();
} else if (request.mode === 'script') {
console.log('Starting Script Builder');
activeBuilder = new ScriptBuilder();
activeBuilder.start();
}
sendResponse({ success: true });
} else if (request.action === 'stopCapture') {
if (activeBuilder) {
activeBuilder.stop();
activeBuilder = null;
}
sendResponse({ success: true });
} else if (request.action === 'startSchemaCapture') {
if (activeBuilder) {
activeBuilder.deactivate?.();
activeBuilder = null;
}
console.log('Starting Click2Crawl');
activeBuilder = new Click2Crawl();
activeBuilder.start();
sendResponse({ success: true });
} else if (request.action === 'startScriptCapture') {
if (activeBuilder) {
activeBuilder.deactivate?.();
activeBuilder = null;
}
console.log('Starting Script Builder');
activeBuilder = new ScriptBuilder();
activeBuilder.start();
sendResponse({ success: true });
} else if (request.action === 'startClick2Crawl') {
if (activeBuilder) {
activeBuilder.deactivate?.();
activeBuilder = null;
}
console.log('Starting Markdown Extraction');
activeBuilder = new MarkdownExtraction();
sendResponse({ success: true });
} else if (request.action === 'generateCode') {
if (activeBuilder && activeBuilder.generateCode) {
activeBuilder.generateCode();
}
sendResponse({ success: true });
}
});
// Cleanup on page unload
window.addEventListener('beforeunload', () => {
if (activeBuilder) {
if (activeBuilder.deactivate) {
activeBuilder.deactivate();
} else if (activeBuilder.stop) {
activeBuilder.stop();
}
activeBuilder = null;
}
});
console.log('Crawl4AI Assistant content script loaded');
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class ContentAnalyzer {
constructor() {
this.patterns = {
article: ['article', 'main', 'content', 'post', 'entry'],
navigation: ['nav', 'menu', 'navigation', 'breadcrumb'],
sidebar: ['sidebar', 'aside', 'widget'],
header: ['header', 'masthead', 'banner'],
footer: ['footer', 'copyright', 'contact'],
list: ['list', 'items', 'results', 'products', 'cards'],
table: ['table', 'grid', 'data'],
media: ['gallery', 'carousel', 'slideshow', 'video', 'media']
};
}
async analyze(elements) {
const analysis = {
structure: await this.analyzeStructure(elements),
contentType: this.identifyContentType(elements),
hierarchy: this.buildHierarchy(elements),
mediaAssets: this.collectMediaAssets(elements),
textDensity: this.calculateTextDensity(elements),
semanticRegions: this.identifySemanticRegions(elements),
relationships: this.analyzeRelationships(elements),
metadata: this.extractMetadata(elements)
};
return analysis;
}
analyzeStructure(elements) {
const structure = {
hasHeadings: false,
hasLists: false,
hasTables: false,
hasMedia: false,
hasCode: false,
hasLinks: false,
layout: 'linear', // linear, grid, mixed
depth: 0,
elementTypes: new Map()
};
// Analyze each element
for (const element of elements) {
this.analyzeElementStructure(element, structure);
}
// Determine layout type
structure.layout = this.determineLayout(elements);
// Calculate max depth
structure.depth = this.calculateMaxDepth(elements);
return structure;
}
analyzeElementStructure(element, structure, visited = new Set()) {
if (visited.has(element)) return;
visited.add(element);
const tagName = element.tagName;
// Update element type count
structure.elementTypes.set(
tagName,
(structure.elementTypes.get(tagName) || 0) + 1
);
// Check for specific structures
if (/^H[1-6]$/.test(tagName)) {
structure.hasHeadings = true;
} else if (['UL', 'OL', 'DL'].includes(tagName)) {
structure.hasLists = true;
} else if (tagName === 'TABLE') {
structure.hasTables = true;
} else if (['IMG', 'VIDEO', 'IFRAME', 'PICTURE'].includes(tagName)) {
structure.hasMedia = true;
} else if (['CODE', 'PRE'].includes(tagName)) {
structure.hasCode = true;
} else if (tagName === 'A') {
structure.hasLinks = true;
}
// Analyze children
for (const child of element.children) {
this.analyzeElementStructure(child, structure, visited);
}
}
identifyContentType(elements) {
const scores = {
article: 0,
list: 0,
table: 0,
form: 0,
media: 0,
mixed: 0
};
for (const element of elements) {
// Score based on element types and classes
const tagName = element.tagName;
const className = element.className.toLowerCase();
const id = element.id.toLowerCase();
// Check for article patterns
if (tagName === 'ARTICLE' ||
this.matchesPattern(className + ' ' + id, this.patterns.article)) {
scores.article += 10;
}
// Check for list patterns
if (['UL', 'OL'].includes(tagName) ||
this.matchesPattern(className, this.patterns.list)) {
scores.list += 5;
}
// Check for table
if (tagName === 'TABLE') {
scores.table += 10;
}
// Check for form
if (tagName === 'FORM' || element.querySelector('input, select, textarea')) {
scores.form += 5;
}
// Check for media gallery
if (this.matchesPattern(className, this.patterns.media) ||
element.querySelectorAll('img, video').length > 3) {
scores.media += 5;
}
}
// Determine primary content type
const maxScore = Math.max(...Object.values(scores));
if (maxScore === 0) return 'unknown';
for (const [type, score] of Object.entries(scores)) {
if (score === maxScore) {
return type;
}
}
return 'mixed';
}
buildHierarchy(elements) {
const hierarchy = {
root: null,
levels: [],
headingStructure: []
};
// Find common ancestor
if (elements.length > 0) {
hierarchy.root = this.findCommonAncestor(elements);
}
// Build heading hierarchy
const headings = [];
for (const element of elements) {
const foundHeadings = element.querySelectorAll('h1, h2, h3, h4, h5, h6');
headings.push(...Array.from(foundHeadings));
}
// Sort headings by document position
headings.sort((a, b) => {
const position = a.compareDocumentPosition(b);
if (position & Node.DOCUMENT_POSITION_FOLLOWING) {
return -1;
} else if (position & Node.DOCUMENT_POSITION_PRECEDING) {
return 1;
}
return 0;
});
// Build heading structure
let currentLevel = 0;
const stack = [];
for (const heading of headings) {
const level = parseInt(heading.tagName.substring(1));
const item = {
level,
text: heading.textContent.trim(),
element: heading,
children: []
};
// Find parent in stack
while (stack.length > 0 && stack[stack.length - 1].level >= level) {
stack.pop();
}
if (stack.length > 0) {
stack[stack.length - 1].children.push(item);
} else {
hierarchy.headingStructure.push(item);
}
stack.push(item);
}
return hierarchy;
}
collectMediaAssets(elements) {
const media = {
images: [],
videos: [],
iframes: [],
audio: []
};
for (const element of elements) {
// Collect images
const images = element.querySelectorAll('img');
for (const img of images) {
media.images.push({
src: img.src,
alt: img.alt,
title: img.title,
width: img.width,
height: img.height,
element: img
});
}
// Collect videos
const videos = element.querySelectorAll('video');
for (const video of videos) {
media.videos.push({
src: video.src,
poster: video.poster,
width: video.width,
height: video.height,
element: video
});
}
// Collect iframes
const iframes = element.querySelectorAll('iframe');
for (const iframe of iframes) {
media.iframes.push({
src: iframe.src,
width: iframe.width,
height: iframe.height,
title: iframe.title,
element: iframe
});
}
// Collect audio
const audios = element.querySelectorAll('audio');
for (const audio of audios) {
media.audio.push({
src: audio.src,
element: audio
});
}
}
return media;
}
calculateTextDensity(elements) {
let totalText = 0;
let totalElements = 0;
let linkText = 0;
let codeText = 0;
for (const element of elements) {
const stats = this.getTextStats(element);
totalText += stats.textLength;
totalElements += stats.elementCount;
linkText += stats.linkTextLength;
codeText += stats.codeTextLength;
}
return {
textLength: totalText,
elementCount: totalElements,
averageTextPerElement: totalElements > 0 ? totalText / totalElements : 0,
linkDensity: totalText > 0 ? linkText / totalText : 0,
codeDensity: totalText > 0 ? codeText / totalText : 0
};
}
getTextStats(element, visited = new Set()) {
if (visited.has(element)) {
return { textLength: 0, elementCount: 0, linkTextLength: 0, codeTextLength: 0 };
}
visited.add(element);
let stats = {
textLength: 0,
elementCount: 1,
linkTextLength: 0,
codeTextLength: 0
};
// Get direct text content
for (const node of element.childNodes) {
if (node.nodeType === Node.TEXT_NODE) {
const text = node.textContent.trim();
stats.textLength += text.length;
// Check if this text is within a link
if (element.tagName === 'A') {
stats.linkTextLength += text.length;
}
// Check if this text is within code
if (['CODE', 'PRE'].includes(element.tagName)) {
stats.codeTextLength += text.length;
}
}
}
// Process children
for (const child of element.children) {
const childStats = this.getTextStats(child, visited);
stats.textLength += childStats.textLength;
stats.elementCount += childStats.elementCount;
stats.linkTextLength += childStats.linkTextLength;
stats.codeTextLength += childStats.codeTextLength;
}
return stats;
}
identifySemanticRegions(elements) {
const regions = {
headers: [],
navigation: [],
main: [],
sidebars: [],
footers: [],
articles: []
};
for (const element of elements) {
// Check element and its ancestors for semantic regions
let current = element;
while (current) {
const tagName = current.tagName;
const className = current.className.toLowerCase();
const role = current.getAttribute('role');
// Check semantic HTML5 elements
if (tagName === 'HEADER' || role === 'banner') {
regions.headers.push(current);
} else if (tagName === 'NAV' || role === 'navigation') {
regions.navigation.push(current);
} else if (tagName === 'MAIN' || role === 'main') {
regions.main.push(current);
} else if (tagName === 'ASIDE' || role === 'complementary') {
regions.sidebars.push(current);
} else if (tagName === 'FOOTER' || role === 'contentinfo') {
regions.footers.push(current);
} else if (tagName === 'ARTICLE' || role === 'article') {
regions.articles.push(current);
}
// Check class patterns
if (this.matchesPattern(className, this.patterns.header)) {
regions.headers.push(current);
} else if (this.matchesPattern(className, this.patterns.navigation)) {
regions.navigation.push(current);
} else if (this.matchesPattern(className, this.patterns.sidebar)) {
regions.sidebars.push(current);
} else if (this.matchesPattern(className, this.patterns.footer)) {
regions.footers.push(current);
}
current = current.parentElement;
}
}
// Deduplicate
for (const key of Object.keys(regions)) {
regions[key] = Array.from(new Set(regions[key]));
}
return regions;
}
analyzeRelationships(elements) {
const relationships = {
siblings: [],
parents: [],
children: [],
relatedByClass: new Map(),
relatedByStructure: []
};
// Find sibling relationships
for (let i = 0; i < elements.length; i++) {
for (let j = i + 1; j < elements.length; j++) {
if (elements[i].parentElement === elements[j].parentElement) {
relationships.siblings.push([elements[i], elements[j]]);
}
}
}
// Find parent-child relationships
for (const element of elements) {
for (const other of elements) {
if (element !== other) {
if (element.contains(other)) {
relationships.parents.push({ parent: element, child: other });
} else if (other.contains(element)) {
relationships.children.push({ parent: other, child: element });
}
}
}
}
// Group by similar classes
for (const element of elements) {
const classes = Array.from(element.classList);
for (const className of classes) {
if (!relationships.relatedByClass.has(className)) {
relationships.relatedByClass.set(className, []);
}
relationships.relatedByClass.get(className).push(element);
}
}
// Find structurally similar elements
for (let i = 0; i < elements.length; i++) {
for (let j = i + 1; j < elements.length; j++) {
if (this.areStructurallySimilar(elements[i], elements[j])) {
relationships.relatedByStructure.push([elements[i], elements[j]]);
}
}
}
return relationships;
}
areStructurallySimilar(element1, element2) {
// Same tag name
if (element1.tagName !== element2.tagName) {
return false;
}
// Similar class structure
const classes1 = Array.from(element1.classList).sort();
const classes2 = Array.from(element2.classList).sort();
// At least 50% overlap in classes
const intersection = classes1.filter(c => classes2.includes(c));
const union = Array.from(new Set([...classes1, ...classes2]));
if (union.length > 0 && intersection.length / union.length >= 0.5) {
return true;
}
// Similar child structure
if (element1.children.length === element2.children.length) {
const childTags1 = Array.from(element1.children).map(c => c.tagName).sort();
const childTags2 = Array.from(element2.children).map(c => c.tagName).sort();
if (JSON.stringify(childTags1) === JSON.stringify(childTags2)) {
return true;
}
}
return false;
}
extractMetadata(elements) {
const metadata = {
title: null,
description: null,
author: null,
date: null,
tags: [],
microdata: []
};
for (const element of elements) {
// Look for title
const h1 = element.querySelector('h1');
if (h1 && !metadata.title) {
metadata.title = h1.textContent.trim();
}
// Look for meta information
const metaElements = element.querySelectorAll('[itemprop], [property], [name]');
for (const meta of metaElements) {
const prop = meta.getAttribute('itemprop') ||
meta.getAttribute('property') ||
meta.getAttribute('name');
const content = meta.getAttribute('content') || meta.textContent.trim();
if (prop && content) {
if (prop.includes('author')) {
metadata.author = content;
} else if (prop.includes('date') || prop.includes('time')) {
metadata.date = content;
} else if (prop.includes('description')) {
metadata.description = content;
} else if (prop.includes('tag') || prop.includes('keyword')) {
metadata.tags.push(content);
}
metadata.microdata.push({ property: prop, value: content });
}
}
// Look for time elements
const timeElements = element.querySelectorAll('time');
for (const time of timeElements) {
if (!metadata.date && time.dateTime) {
metadata.date = time.dateTime;
}
}
}
return metadata;
}
determineLayout(elements) {
// Check if elements form a grid
const positions = elements.map(el => {
const rect = el.getBoundingClientRect();
return { x: rect.left, y: rect.top, width: rect.width, height: rect.height };
});
// Check for grid layout (multiple elements on same row)
const rows = new Map();
for (const pos of positions) {
const row = Math.round(pos.y / 10) * 10; // Round to nearest 10px
if (!rows.has(row)) {
rows.set(row, []);
}
rows.get(row).push(pos);
}
// If multiple elements share rows, it's likely a grid
const hasGrid = Array.from(rows.values()).some(row => row.length > 1);
if (hasGrid) {
return 'grid';
}
// Check for mixed layout (significant variation in widths)
const widths = positions.map(p => p.width);
const avgWidth = widths.reduce((a, b) => a + b, 0) / widths.length;
const variance = widths.reduce((sum, w) => sum + Math.pow(w - avgWidth, 2), 0) / widths.length;
const stdDev = Math.sqrt(variance);
if (stdDev / avgWidth > 0.3) {
return 'mixed';
}
return 'linear';
}
calculateMaxDepth(elements) {
let maxDepth = 0;
for (const element of elements) {
const depth = this.getElementDepth(element);
maxDepth = Math.max(maxDepth, depth);
}
return maxDepth;
}
getElementDepth(element, depth = 0) {
if (element.children.length === 0) {
return depth;
}
let maxChildDepth = depth;
for (const child of element.children) {
const childDepth = this.getElementDepth(child, depth + 1);
maxChildDepth = Math.max(maxChildDepth, childDepth);
}
return maxChildDepth;
}
findCommonAncestor(elements) {
if (elements.length === 0) return null;
if (elements.length === 1) return elements[0].parentElement;
// Start with the first element's ancestors
let ancestor = elements[0];
const ancestors = [];
while (ancestor) {
ancestors.push(ancestor);
ancestor = ancestor.parentElement;
}
// Find the deepest common ancestor
for (const ancestorCandidate of ancestors) {
let isCommon = true;
for (const element of elements) {
if (!ancestorCandidate.contains(element)) {
isCommon = false;
break;
}
}
if (isCommon) {
return ancestorCandidate;
}
}
return document.body;
}
matchesPattern(text, patterns) {
return patterns.some(pattern => text.includes(pattern));
}
}
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class MarkdownConverter {
constructor() {
// Conversion handlers for different element types
this.converters = {
'H1': async (el, ctx) => await this.convertHeading(el, 1, ctx),
'H2': async (el, ctx) => await this.convertHeading(el, 2, ctx),
'H3': async (el, ctx) => await this.convertHeading(el, 3, ctx),
'H4': async (el, ctx) => await this.convertHeading(el, 4, ctx),
'H5': async (el, ctx) => await this.convertHeading(el, 5, ctx),
'H6': async (el, ctx) => await this.convertHeading(el, 6, ctx),
'P': async (el, ctx) => await this.convertParagraph(el, ctx),
'A': async (el, ctx) => await this.convertLink(el, ctx),
'IMG': async (el, ctx) => await this.convertImage(el, ctx),
'UL': async (el, ctx) => await this.convertList(el, 'ul', ctx),
'OL': async (el, ctx) => await this.convertList(el, 'ol', ctx),
'LI': async (el, ctx) => await this.convertListItem(el, ctx),
'TABLE': async (el, ctx) => await this.convertTable(el, ctx),
'BLOCKQUOTE': async (el, ctx) => await this.convertBlockquote(el, ctx),
'PRE': async (el, ctx) => await this.convertPreformatted(el, ctx),
'CODE': async (el, ctx) => await this.convertCode(el, ctx),
'HR': async (el, ctx) => '\n---\n',
'BR': async (el, ctx) => ' \n',
'STRONG': async (el, ctx) => `**${await this.getTextContent(el, ctx)}**`,
'B': async (el, ctx) => `**${await this.getTextContent(el, ctx)}**`,
'EM': async (el, ctx) => `*${await this.getTextContent(el, ctx)}*`,
'I': async (el, ctx) => `*${await this.getTextContent(el, ctx)}*`,
'DEL': async (el, ctx) => `~~${await this.getTextContent(el, ctx)}~~`,
'S': async (el, ctx) => `~~${await this.getTextContent(el, ctx)}~~`,
'DIV': async (el, ctx) => await this.convertDiv(el, ctx),
'SPAN': async (el, ctx) => await this.convertSpan(el, ctx),
'ARTICLE': async (el, ctx) => await this.convertArticle(el, ctx),
'SECTION': async (el, ctx) => await this.convertSection(el, ctx),
'FIGURE': async (el, ctx) => await this.convertFigure(el, ctx),
'FIGCAPTION': async (el, ctx) => await this.convertFigCaption(el, ctx),
'VIDEO': async (el, ctx) => await this.convertVideo(el, ctx),
'IFRAME': async (el, ctx) => await this.convertIframe(el, ctx),
'DL': async (el, ctx) => await this.convertDefinitionList(el, ctx),
'DT': async (el, ctx) => await this.convertDefinitionTerm(el, ctx),
'DD': async (el, ctx) => await this.convertDefinitionDescription(el, ctx),
'TR': async (el, ctx) => await this.convertTableRow(el, ctx)
};
// Maintain context during conversion
this.conversionContext = {
listDepth: 0,
inTable: false,
inCode: false,
preserveWhitespace: false,
references: [],
imageCount: 0,
linkCount: 0
};
}
async convert(elements, options = {}) {
// Reset context
this.resetContext();
// Apply options
this.options = {
includeImages: true,
preserveTables: true,
keepCodeFormatting: true,
simplifyLayout: false,
preserveLinks: true,
...options
};
// Convert elements
const markdownParts = [];
for (const element of elements) {
const markdown = await this.convertElement(element, this.conversionContext);
if (markdown.trim()) {
markdownParts.push(markdown);
}
}
// Join parts with appropriate spacing
let result = markdownParts.join('\n\n');
// Add references if using reference-style links
if (this.conversionContext.references.length > 0) {
result += '\n\n' + this.generateReferences();
}
// Post-process to clean up
result = this.postProcess(result);
return result;
}
resetContext() {
this.conversionContext = {
listDepth: 0,
inTable: false,
inCode: false,
preserveWhitespace: false,
references: [],
imageCount: 0,
linkCount: 0
};
}
async convertElement(element, context) {
// Skip hidden elements
if (this.isHidden(element)) {
return '';
}
// Skip script and style elements
if (['SCRIPT', 'STYLE', 'NOSCRIPT'].includes(element.tagName)) {
return '';
}
// Get converter for this element type
const converter = this.converters[element.tagName];
if (converter) {
return await converter(element, context);
} else {
// For unknown elements, process children
return await this.processChildren(element, context);
}
}
async processChildren(element, context) {
const parts = [];
for (const child of element.childNodes) {
if (child.nodeType === Node.TEXT_NODE) {
const text = this.processTextNode(child, context);
if (text) {
parts.push(text);
}
} else if (child.nodeType === Node.ELEMENT_NODE) {
const markdown = await this.convertElement(child, context);
if (markdown) {
parts.push(markdown);
}
}
}
return parts.join('');
}
processTextNode(node, context) {
let text = node.textContent;
// Preserve whitespace in code blocks
if (!context.preserveWhitespace && !context.inCode) {
// Normalize whitespace
text = text.replace(/\s+/g, ' ');
// Trim if at block boundaries
if (this.isBlockBoundary(node.previousSibling)) {
text = text.trimStart();
}
if (this.isBlockBoundary(node.nextSibling)) {
text = text.trimEnd();
}
}
// Escape markdown characters
if (!context.inCode) {
text = this.escapeMarkdown(text);
}
return text;
}
isBlockBoundary(node) {
if (!node || node.nodeType !== Node.ELEMENT_NODE) {
return true;
}
const blockElements = [
'DIV', 'P', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6',
'UL', 'OL', 'LI', 'BLOCKQUOTE', 'PRE', 'TABLE',
'HR', 'ARTICLE', 'SECTION', 'HEADER', 'FOOTER',
'NAV', 'ASIDE', 'MAIN'
];
return blockElements.includes(node.tagName);
}
escapeMarkdown(text) {
// In text-only mode, don't escape characters
if (this.options.textOnly) {
return text;
}
// Escape special markdown characters
return text
.replace(/\\/g, '\\\\')
.replace(/\*/g, '\\*')
.replace(/_/g, '\\_')
.replace(/\[/g, '\\[')
.replace(/\]/g, '\\]')
.replace(/\(/g, '\\(')
.replace(/\)/g, '\\)')
.replace(/\#/g, '\\#')
.replace(/\+/g, '\\+')
.replace(/\-/g, '\\-')
.replace(/\./g, '\\.')
.replace(/\!/g, '\\!')
.replace(/\|/g, '\\|');
}
async convertHeading(element, level, context) {
const text = await this.getTextContent(element, context);
return '#'.repeat(level) + ' ' + text + '\n';
}
async convertParagraph(element, context) {
const content = await this.processChildren(element, context);
return content.trim() ? content + '\n' : '';
}
async convertLink(element, context) {
if (!this.options.preserveLinks || this.options.textOnly) {
return await this.getTextContent(element, context);
}
const text = await this.getTextContent(element, context);
const href = element.getAttribute('href');
const title = element.getAttribute('title');
if (!href) {
return text;
}
// Convert relative URLs to absolute
const absoluteUrl = this.makeAbsoluteUrl(href);
// Use reference-style links for cleaner markdown
if (text && absoluteUrl) {
if (title) {
return `[${text}](${absoluteUrl} "${title}")`;
} else {
return `[${text}](${absoluteUrl})`;
}
}
return text;
}
async convertImage(element, context) {
if (!this.options.includeImages || this.options.textOnly) {
// In text-only mode, return alt text if available
if (this.options.textOnly) {
const alt = element.getAttribute('alt');
return alt ? `[Image: ${alt}]` : '';
}
return '';
}
const src = element.getAttribute('src');
const alt = element.getAttribute('alt') || '';
const title = element.getAttribute('title');
if (!src) {
return '';
}
// Convert relative URLs to absolute
const absoluteUrl = this.makeAbsoluteUrl(src);
if (title) {
return `![${alt}](${absoluteUrl} "${title}")`;
} else {
return `![${alt}](${absoluteUrl})`;
}
}
async convertList(element, type, context) {
const oldDepth = context.listDepth;
context.listDepth++;
const items = [];
for (const child of element.children) {
if (child.tagName === 'LI') {
const markdown = await this.convertListItem(child, { ...context, listType: type });
if (markdown) {
items.push(markdown);
}
}
}
context.listDepth = oldDepth;
return items.join('\n') + (context.listDepth === 0 ? '\n' : '');
}
async convertListItem(element, context) {
const indent = ' '.repeat(Math.max(0, context.listDepth - 1));
const bullet = context.listType === 'ol' ? '1.' : '-';
const content = (await this.processChildren(element, context)).trim();
return `${indent}${bullet} ${content}`;
}
async convertTable(element, context) {
if (!this.options.preserveTables || this.options.textOnly) {
// Fallback to simple text representation
return await this.convertTableToText(element, context);
}
const rows = [];
const headerRows = [];
let maxCols = 0;
// Process table rows
for (const child of element.children) {
if (child.tagName === 'THEAD') {
for (const row of child.children) {
if (row.tagName === 'TR') {
const cells = await this.processTableRow(row, context);
headerRows.push(cells);
maxCols = Math.max(maxCols, cells.length);
}
}
} else if (child.tagName === 'TBODY') {
for (const row of child.children) {
if (row.tagName === 'TR') {
const cells = await this.processTableRow(row, context);
rows.push(cells);
maxCols = Math.max(maxCols, cells.length);
}
}
} else if (child.tagName === 'TR') {
const cells = await this.processTableRow(child, context);
rows.push(cells);
maxCols = Math.max(maxCols, cells.length);
}
}
// Build markdown table
const markdownRows = [];
// Add headers
if (headerRows.length > 0) {
for (const headerRow of headerRows) {
const paddedRow = this.padTableRow(headerRow, maxCols);
markdownRows.push('| ' + paddedRow.join(' | ') + ' |');
}
// Add separator
const separator = Array(maxCols).fill('---');
markdownRows.push('| ' + separator.join(' | ') + ' |');
}
// Add body rows
for (const row of rows) {
const paddedRow = this.padTableRow(row, maxCols);
markdownRows.push('| ' + paddedRow.join(' | ') + ' |');
}
return markdownRows.join('\n') + '\n';
}
async processTableRow(row, context) {
const cells = [];
for (const cell of row.children) {
if (cell.tagName === 'TD' || cell.tagName === 'TH') {
const content = (await this.getTextContent(cell, context)).trim();
cells.push(content);
}
}
return cells;
}
async convertTableRow(element, context) {
// Convert a single table row to markdown
if (this.options.textOnly) {
const cells = await this.processTableRow(element, context);
return cells.join(' ');
}
// For non-text-only mode, create a simple table representation
const cells = await this.processTableRow(element, context);
return '| ' + cells.join(' | ') + ' |';
}
padTableRow(row, targetLength) {
const padded = [...row];
while (padded.length < targetLength) {
padded.push('');
}
return padded;
}
async convertTableToText(element, context) {
// Convert table to clean text representation
const lines = [];
const rows = element.querySelectorAll('tr');
for (const row of rows) {
const cells = row.querySelectorAll('td, th');
const cellTexts = [];
for (const cell of cells) {
const text = (await this.getTextContent(cell, context)).trim();
if (text) {
cellTexts.push(text);
}
}
if (cellTexts.length > 0) {
// Join cells with space, handling common patterns
lines.push(cellTexts.join(' '));
}
}
return lines.join('\n');
}
async convertBlockquote(element, context) {
const lines = (await this.processChildren(element, context)).trim().split('\n');
return lines.map(line => '> ' + line).join('\n') + '\n';
}
async convertPreformatted(element, context) {
const oldInCode = context.inCode;
const oldPreserveWhitespace = context.preserveWhitespace;
context.inCode = true;
context.preserveWhitespace = true;
let content = '';
let language = '';
// Check if this is a code block with language
const codeElement = element.querySelector('code');
if (codeElement) {
// Try to detect language from class
const className = codeElement.className;
const langMatch = className.match(/language-(\w+)/);
if (langMatch) {
language = langMatch[1];
}
content = codeElement.textContent;
} else {
content = element.textContent;
}
context.inCode = oldInCode;
context.preserveWhitespace = oldPreserveWhitespace;
// Use fenced code blocks
return '```' + language + '\n' + content + '\n```\n';
}
async convertCode(element, context) {
if (element.parentElement && element.parentElement.tagName === 'PRE') {
// Already handled by convertPreformatted
return element.textContent;
}
const content = element.textContent;
return '`' + content + '`';
}
async convertDiv(element, context) {
// Check for special div types
if (element.className.includes('code-block') ||
element.className.includes('highlight')) {
return await this.convertPreformatted(element, context);
}
const content = await this.processChildren(element, context);
return content.trim() ? content + '\n' : '';
}
async convertSpan(element, context) {
// Check for special span types
if (element.className.includes('code') ||
element.className.includes('inline-code')) {
return this.convertCode(element, context);
}
return await this.processChildren(element, context);
}
async convertArticle(element, context) {
const content = await this.processChildren(element, context);
return content.trim() ? content + '\n' : '';
}
async convertSection(element, context) {
const content = await this.processChildren(element, context);
return content.trim() ? content + '\n' : '';
}
async convertFigure(element, context) {
const content = await this.processChildren(element, context);
return content.trim() ? content + '\n' : '';
}
async convertFigCaption(element, context) {
const caption = await this.getTextContent(element, context);
return caption ? '\n*' + caption + '*\n' : '';
}
async convertVideo(element, context) {
const title = element.getAttribute('title') || 'Video';
if (this.options.textOnly) {
return `[Video: ${title}]`;
}
const src = element.getAttribute('src');
const poster = element.getAttribute('poster');
if (!src) {
return '';
}
// Convert to markdown with poster image if available
if (poster) {
const absolutePoster = this.makeAbsoluteUrl(poster);
const absoluteSrc = this.makeAbsoluteUrl(src);
return `[![${title}](${absolutePoster})](${absoluteSrc})`;
} else {
const absoluteSrc = this.makeAbsoluteUrl(src);
return `[${title}](${absoluteSrc})`;
}
}
async convertIframe(element, context) {
const title = element.getAttribute('title') || 'Embedded content';
if (this.options.textOnly) {
const src = element.getAttribute('src') || '';
if (src.includes('youtube.com') || src.includes('youtu.be')) {
return `[Video: ${title}]`;
} else if (src.includes('vimeo.com')) {
return `[Video: ${title}]`;
} else {
return `[Embedded: ${title}]`;
}
}
const src = element.getAttribute('src');
if (!src) {
return '';
}
// Check for common embeds
if (src.includes('youtube.com') || src.includes('youtu.be')) {
return `[▶️ ${title}](${src})`;
} else if (src.includes('vimeo.com')) {
return `[▶️ ${title}](${src})`;
} else {
return `[${title}](${src})`;
}
}
async convertDefinitionList(element, context) {
return await this.processChildren(element, context) + '\n';
}
async convertDefinitionTerm(element, context) {
const term = await this.getTextContent(element, context);
return '**' + term + '**\n';
}
async convertDefinitionDescription(element, context) {
const description = await this.processChildren(element, context);
return ': ' + description + '\n';
}
async getTextContent(element, context) {
// Special handling for elements that might contain other markdown
if (context.inCode) {
return element.textContent;
}
return await this.processChildren(element, context);
}
makeAbsoluteUrl(url) {
if (!url) return '';
try {
// Check if already absolute
if (url.startsWith('http://') || url.startsWith('https://')) {
return url;
}
// Handle protocol-relative URLs
if (url.startsWith('//')) {
return window.location.protocol + url;
}
// Convert relative to absolute
const base = window.location.origin;
const path = window.location.pathname;
if (url.startsWith('/')) {
return base + url;
} else {
// Relative to current path
const pathDir = path.substring(0, path.lastIndexOf('/') + 1);
return base + pathDir + url;
}
} catch (e) {
return url;
}
}
isHidden(element) {
const style = window.getComputedStyle(element);
return style.display === 'none' ||
style.visibility === 'hidden' ||
style.opacity === '0';
}
generateReferences() {
return this.conversionContext.references
.map((ref, index) => `[${index + 1}]: ${ref.url}`)
.join('\n');
}
postProcess(markdown) {
// Apply text-only specific processing
if (this.options.textOnly) {
markdown = this.postProcessTextOnly(markdown);
}
// Clean up excessive newlines
markdown = markdown.replace(/\n{3,}/g, '\n\n');
// Clean up spaces before punctuation
markdown = markdown.replace(/ +([.,;:!?])/g, '$1');
// Ensure proper spacing around headers
markdown = markdown.replace(/\n(#{1,6} )/g, '\n\n$1');
markdown = markdown.replace(/(#{1,6} .+)\n(?![\n#])/g, '$1\n\n');
// Clean up list spacing
markdown = markdown.replace(/\n\n(-|\d+\.) /g, '\n$1 ');
// Trim final result
return markdown.trim();
}
postProcessTextOnly(markdown) {
// Smart pattern recognition for common formats
const lines = markdown.split('\n');
const processedLines = [];
let inMetadata = false;
let currentItem = null;
for (let i = 0; i < lines.length; i++) {
const line = lines[i].trim();
if (!line) {
processedLines.push('');
continue;
}
// Detect numbered list items (common in HN, Reddit, etc.)
const numberPattern = /^(\d+)\.\s*(.+)$/;
const numberMatch = line.match(numberPattern);
if (numberMatch) {
// Start of a new numbered item
inMetadata = false;
currentItem = numberMatch[1];
const content = numberMatch[2];
// Check if content has domain in parentheses
const domainPattern = /^(.+?)\s*\(([^)]+)\)\s*(.*)$/;
const domainMatch = content.match(domainPattern);
if (domainMatch) {
const [, title, domain, rest] = domainMatch;
processedLines.push(`${currentItem}. **${title.trim()}** (${domain})`);
if (rest.trim()) {
processedLines.push(` ${rest.trim()}`);
inMetadata = true;
}
} else {
processedLines.push(`${currentItem}. **${content}**`);
}
} else if (line.match(/\b(points?|by|ago|hide|comments?)\b/i) && currentItem) {
// This looks like metadata for the current item
const cleanedLine = line
.replace(/\s+/g, ' ')
.replace(/\s*\|\s*/g, ' | ')
.trim();
processedLines.push(` ${cleanedLine}`);
inMetadata = true;
} else if (inMetadata && line.length < 100) {
// Continue metadata if we're in metadata mode and line is short
processedLines.push(` ${line}`);
} else {
// Regular content
inMetadata = false;
processedLines.push(line);
}
}
// Clean up the output
let result = processedLines.join('\n');
// Remove excessive blank lines
result = result.replace(/\n{3,}/g, '\n\n');
// Ensure proper spacing after numbered items
result = result.replace(/^(\d+\..+)$\n^(?!\s)/gm, '$1\n\n');
return result;
}
}
@@ -0,0 +1,701 @@
class MarkdownExtraction {
constructor() {
this.selectedElements = new Set();
this.highlightBoxes = new Map();
this.selectionMode = false;
this.toolbar = null;
this.markdownPreviewModal = null;
this.selectionCounter = 0;
this.markdownConverter = null;
this.contentAnalyzer = null;
this.init();
}
async init() {
// Initialize dependencies
this.markdownConverter = new MarkdownConverter();
this.contentAnalyzer = new ContentAnalyzer();
this.createToolbar();
this.setupEventListeners();
}
createToolbar() {
// Create floating toolbar
this.toolbar = document.createElement('div');
this.toolbar.className = 'c4ai-c2c-toolbar';
this.toolbar.innerHTML = `
<div class="c4ai-toolbar-header">
<div class="c4ai-toolbar-dots">
<span class="c4ai-dot c4ai-dot-red"></span>
<span class="c4ai-dot c4ai-dot-yellow"></span>
<span class="c4ai-dot c4ai-dot-green"></span>
</div>
<span class="c4ai-toolbar-title">Markdown Extraction</span>
<button class="c4ai-close-btn" title="Close">×</button>
</div>
<div class="c4ai-toolbar-content">
<div class="c4ai-selection-info">
<span class="c4ai-selection-count">0 elements selected</span>
<button class="c4ai-clear-btn" title="Clear selection" disabled>Clear</button>
</div>
<div class="c4ai-toolbar-actions">
<button class="c4ai-preview-btn" disabled>Preview Markdown</button>
<button class="c4ai-copy-btn" disabled>Copy to Clipboard</button>
</div>
<div class="c4ai-toolbar-instructions">
<p>💡 <strong>Ctrl/Cmd + Click</strong> to select multiple elements</p>
<p>📝 Selected elements will be converted to clean markdown</p>
<p>⌨️ Press <strong>ESC</strong> to exit</p>
</div>
</div>
`;
document.body.appendChild(this.toolbar);
makeDraggableByHeader(this.toolbar);
// Position toolbar
this.toolbar.style.position = 'fixed';
this.toolbar.style.top = '20px';
this.toolbar.style.right = '20px';
this.toolbar.style.zIndex = '999999';
}
setupEventListeners() {
// Close button
this.toolbar.querySelector('.c4ai-close-btn').addEventListener('click', () => {
this.deactivate();
});
// Clear selection button
this.toolbar.querySelector('.c4ai-clear-btn').addEventListener('click', () => {
this.clearSelection();
});
// Preview button
this.toolbar.querySelector('.c4ai-preview-btn').addEventListener('click', () => {
this.showPreview();
});
// Copy button
this.toolbar.querySelector('.c4ai-copy-btn').addEventListener('click', () => {
this.copyToClipboard();
});
// Document click handler for element selection
this.documentClickHandler = (event) => this.handleElementClick(event);
document.addEventListener('click', this.documentClickHandler, true);
// Prevent default link behavior during selection mode
this.linkClickHandler = (event) => {
if (event.ctrlKey || event.metaKey) {
event.preventDefault();
event.stopPropagation();
}
};
document.addEventListener('click', this.linkClickHandler, true);
// Hover effect
this.documentHoverHandler = (event) => this.handleElementHover(event);
document.addEventListener('mouseover', this.documentHoverHandler, true);
// Remove hover on mouseout
this.documentMouseOutHandler = (event) => this.handleElementMouseOut(event);
document.addEventListener('mouseout', this.documentMouseOutHandler, true);
// Keyboard shortcuts
this.keyboardHandler = (event) => this.handleKeyboard(event);
document.addEventListener('keydown', this.keyboardHandler);
}
handleElementClick(event) {
// Check if Ctrl/Cmd is pressed
if (!event.ctrlKey && !event.metaKey) return;
// Prevent default behavior
event.preventDefault();
event.stopPropagation();
const element = event.target;
// Don't select our own UI elements
if (element.closest('.c4ai-c2c-toolbar') ||
element.closest('.c4ai-c2c-preview') ||
element.closest('.c4ai-highlight-box')) {
return;
}
// Toggle element selection
if (this.selectedElements.has(element)) {
this.deselectElement(element);
} else {
this.selectElement(element);
}
this.updateUI();
}
handleElementHover(event) {
const element = event.target;
// Don't hover our own UI elements
if (element.closest('.c4ai-c2c-toolbar') ||
element.closest('.c4ai-c2c-preview') ||
element.closest('.c4ai-highlight-box') ||
element.hasAttribute('data-c4ai-badge')) {
return;
}
// Add hover class
element.classList.add('c4ai-hover-candidate');
}
handleElementMouseOut(event) {
const element = event.target;
element.classList.remove('c4ai-hover-candidate');
}
handleKeyboard(event) {
// ESC to deactivate
if (event.key === 'Escape') {
this.deactivate();
}
// Ctrl/Cmd + A to select all visible elements
else if ((event.ctrlKey || event.metaKey) && event.key === 'a') {
event.preventDefault();
// Select all visible text-containing elements
const elements = document.querySelectorAll('p, h1, h2, h3, h4, h5, h6, li, td, th, div, span, article, section');
elements.forEach(el => {
if (el.textContent.trim() && this.isVisible(el) && !this.selectedElements.has(el)) {
this.selectElement(el);
}
});
this.updateUI();
}
}
isVisible(element) {
const rect = element.getBoundingClientRect();
const style = window.getComputedStyle(element);
return rect.width > 0 &&
rect.height > 0 &&
style.display !== 'none' &&
style.visibility !== 'hidden' &&
style.opacity !== '0';
}
selectElement(element) {
this.selectedElements.add(element);
// Create highlight box
const box = this.createHighlightBox(element);
this.highlightBoxes.set(element, box);
// Add selected class
element.classList.add('c4ai-selected');
this.selectionCounter++;
}
deselectElement(element) {
this.selectedElements.delete(element);
// Remove highlight box (badge)
const badge = this.highlightBoxes.get(element);
if (badge) {
// Remove scroll/resize listeners
if (badge._updatePosition) {
window.removeEventListener('scroll', badge._updatePosition, true);
window.removeEventListener('resize', badge._updatePosition);
}
badge.remove();
this.highlightBoxes.delete(element);
}
// Remove outline
element.style.outline = '';
element.style.outlineOffset = '';
// Remove attributes
element.removeAttribute('data-c4ai-selection-order');
element.classList.remove('c4ai-selected');
this.selectionCounter--;
}
createHighlightBox(element) {
// Add a data attribute to track selection order
element.setAttribute('data-c4ai-selection-order', this.selectionCounter + 1);
// Add selection outline directly to the element
element.style.outline = '2px solid #0fbbaa';
element.style.outlineOffset = '2px';
// Create badge with fixed positioning
const badge = document.createElement('div');
badge.className = 'c4ai-selection-badge-fixed';
badge.textContent = this.selectionCounter + 1;
badge.setAttribute('data-c4ai-badge', 'true');
badge.title = 'Click to deselect';
// Get element position and set badge position
const rect = element.getBoundingClientRect();
badge.style.cssText = `
position: fixed !important;
top: ${rect.top - 12}px !important;
left: ${rect.left - 12}px !important;
width: 24px !important;
height: 24px !important;
background: #0fbbaa !important;
color: #070708 !important;
border-radius: 50% !important;
display: flex !important;
align-items: center !important;
justify-content: center !important;
font-size: 12px !important;
font-weight: bold !important;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
z-index: 999998 !important;
cursor: pointer !important;
transition: all 0.2s ease !important;
pointer-events: auto !important;
border: none !important;
padding: 0 !important;
margin: 0 !important;
line-height: 1 !important;
text-align: center !important;
text-decoration: none !important;
box-sizing: border-box !important;
`;
// Add hover styles dynamically
badge.addEventListener('mouseenter', () => {
badge.style.setProperty('background', '#ff3c74', 'important');
badge.style.setProperty('transform', 'scale(1.1)', 'important');
});
badge.addEventListener('mouseleave', () => {
badge.style.setProperty('background', '#0fbbaa', 'important');
badge.style.setProperty('transform', 'scale(1)', 'important');
});
// Add click handler to badge for deselection
badge.addEventListener('click', (e) => {
e.stopPropagation();
e.preventDefault();
this.deselectElement(element);
this.updateUI();
});
// Add scroll listener to update position
const updatePosition = () => {
const newRect = element.getBoundingClientRect();
badge.style.top = `${newRect.top - 12}px`;
badge.style.left = `${newRect.left - 12}px`;
};
// Store the update function so we can remove it later
badge._updatePosition = updatePosition;
window.addEventListener('scroll', updatePosition, true);
window.addEventListener('resize', updatePosition);
document.body.appendChild(badge);
return badge;
}
clearSelection() {
// Clear all selections
this.selectedElements.forEach(element => {
// Remove badge
const badge = this.highlightBoxes.get(element);
if (badge) {
// Remove scroll/resize listeners
if (badge._updatePosition) {
window.removeEventListener('scroll', badge._updatePosition, true);
window.removeEventListener('resize', badge._updatePosition);
}
badge.remove();
}
// Remove outline
element.style.outline = '';
element.style.outlineOffset = '';
// Remove attributes
element.removeAttribute('data-c4ai-selection-order');
element.classList.remove('c4ai-selected');
});
this.selectedElements.clear();
this.highlightBoxes.clear();
this.selectionCounter = 0;
this.updateUI();
}
updateUI() {
const count = this.selectedElements.size;
// Update selection count
this.toolbar.querySelector('.c4ai-selection-count').textContent =
`${count} element${count !== 1 ? 's' : ''} selected`;
// Enable/disable buttons
const hasSelection = count > 0;
this.toolbar.querySelector('.c4ai-preview-btn').disabled = !hasSelection;
this.toolbar.querySelector('.c4ai-copy-btn').disabled = !hasSelection;
this.toolbar.querySelector('.c4ai-clear-btn').disabled = !hasSelection;
}
async showPreview() {
// Initialize markdown preview modal if not already done
if (!this.markdownPreviewModal) {
this.markdownPreviewModal = new MarkdownPreviewModal();
}
// Show modal with callback to generate markdown
this.markdownPreviewModal.show(async (options) => {
return await this.generateMarkdown(options);
});
}
/* createPreviewPanel() {
this.previewPanel = document.createElement('div');
this.previewPanel.className = 'c4ai-c2c-preview';
this.previewPanel.innerHTML = `
<div class="c4ai-preview-header">
<div class="c4ai-toolbar-dots">
<span class="c4ai-dot c4ai-dot-red"></span>
<span class="c4ai-dot c4ai-dot-yellow"></span>
<span class="c4ai-dot c4ai-dot-green"></span>
</div>
<span class="c4ai-preview-title">Markdown Preview</span>
<button class="c4ai-preview-close">×</button>
</div>
<div class="c4ai-preview-options">
<label><input type="checkbox" name="textOnly"> 👁️ Visual Text Mode (As You See) TRY THIS!!!</label>
<label><input type="checkbox" name="includeImages" checked> Include Images</label>
<label><input type="checkbox" name="preserveTables" checked> Preserve Tables</label>
<label><input type="checkbox" name="preserveLinks" checked> Preserve Links</label>
<label><input type="checkbox" name="keepCodeFormatting" checked> Keep Code Formatting</label>
<label><input type="checkbox" name="simplifyLayout"> Simplify Layout</label>
<label><input type="checkbox" name="addSeparators" checked> Add Separators</label>
<label><input type="checkbox" name="includeXPath"> Include XPath Headers</label>
</div>
<div class="c4ai-preview-content">
<div class="c4ai-preview-tabs">
<button class="c4ai-tab active" data-tab="preview">Preview</button>
<button class="c4ai-tab" data-tab="markdown">Markdown</button>
<button class="c4ai-wrap-toggle" title="Toggle word wrap">↔️ Wrap</button>
</div>
<div class="c4ai-preview-pane active" data-pane="preview"></div>
<div class="c4ai-preview-pane" data-pane="markdown"></div>
</div>
<div class="c4ai-preview-actions">
<button class="c4ai-download-btn">Download .md</button>
<button class="c4ai-copy-markdown-btn">Copy Markdown</button>
<button class="c4ai-cloud-btn" disabled>Send to Cloud (Coming Soon)</button>
</div>
`;
document.body.appendChild(this.previewPanel);
makeDraggableByHeader(this.previewPanel);
// Position preview panel
this.previewPanel.style.position = 'fixed';
this.previewPanel.style.top = '50%';
this.previewPanel.style.left = '50%';
this.previewPanel.style.transform = 'translate(-50%, -50%)';
this.previewPanel.style.zIndex = '999999';
this.setupPreviewEventListeners();
} */
/* setupPreviewEventListeners() {
// Close button
this.previewPanel.querySelector('.c4ai-preview-close').addEventListener('click', () => {
this.previewPanel.style.display = 'none';
});
// Tab switching
this.previewPanel.querySelectorAll('.c4ai-tab').forEach(tab => {
tab.addEventListener('click', (e) => {
const tabName = e.target.dataset.tab;
this.switchPreviewTab(tabName);
});
});
// Wrap toggle
const wrapToggle = this.previewPanel.querySelector('.c4ai-wrap-toggle');
wrapToggle.addEventListener('click', () => {
const panes = this.previewPanel.querySelectorAll('.c4ai-preview-pane');
panes.forEach(pane => {
pane.classList.toggle('wrap');
});
wrapToggle.classList.toggle('active');
});
// Options change
this.previewPanel.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
checkbox.addEventListener('change', async (e) => {
this.options[e.target.name] = e.target.checked;
// If text-only is enabled, automatically disable certain options
if (e.target.name === 'textOnly' && e.target.checked) {
// Update UI checkboxes
const preserveLinksCheckbox = this.previewPanel.querySelector('input[name="preserveLinks"]');
if (preserveLinksCheckbox) {
preserveLinksCheckbox.checked = false;
preserveLinksCheckbox.disabled = true;
}
// Optionally disable images in text-only mode
const includeImagesCheckbox = this.previewPanel.querySelector('input[name="includeImages"]');
if (includeImagesCheckbox) {
includeImagesCheckbox.disabled = true;
}
} else if (e.target.name === 'textOnly' && !e.target.checked) {
// Re-enable options when text-only is disabled
const preserveLinksCheckbox = this.previewPanel.querySelector('input[name="preserveLinks"]');
if (preserveLinksCheckbox) {
preserveLinksCheckbox.disabled = false;
}
const includeImagesCheckbox = this.previewPanel.querySelector('input[name="includeImages"]');
if (includeImagesCheckbox) {
includeImagesCheckbox.disabled = false;
}
}
const markdown = await this.generateMarkdown();
await this.updatePreviewContent(markdown);
});
});
// Action buttons
this.previewPanel.querySelector('.c4ai-copy-markdown-btn').addEventListener('click', () => {
this.copyToClipboard();
});
this.previewPanel.querySelector('.c4ai-download-btn').addEventListener('click', () => {
this.downloadMarkdown();
});
} */
/* switchPreviewTab(tabName) {
// Update active tab
this.previewPanel.querySelectorAll('.c4ai-tab').forEach(tab => {
tab.classList.toggle('active', tab.dataset.tab === tabName);
});
// Update active pane
this.previewPanel.querySelectorAll('.c4ai-preview-pane').forEach(pane => {
pane.classList.toggle('active', pane.dataset.pane === tabName);
});
} */
/* async updatePreviewContent(markdown) {
// Update markdown pane
const markdownPane = this.previewPanel.querySelector('[data-pane="markdown"]');
markdownPane.innerHTML = `<pre><code>${this.escapeHtml(markdown)}</code></pre>`;
// Update preview pane using marked.js
const previewPane = this.previewPanel.querySelector('[data-pane="preview"]');
// Configure marked options (marked.js is already loaded via manifest)
if (window.marked) {
marked.setOptions({
gfm: true,
breaks: true,
tables: true,
headerIds: false,
mangle: false
});
// Render markdown to HTML
const html = marked.parse(markdown);
previewPane.innerHTML = `<div class="c4ai-markdown-preview">${html}</div>`;
} else {
// Fallback if marked.js is not available
previewPane.innerHTML = `<div class="c4ai-markdown-preview"><pre>${this.escapeHtml(markdown)}</pre></div>`;
}
} */
/* escapeHtml(unsafe) {
return unsafe
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
} */
async generateMarkdown(options) {
// Get selected elements as array
const elements = Array.from(this.selectedElements);
// Sort elements by their selection order
const sortedElements = elements.sort((a, b) => {
const orderA = parseInt(a.getAttribute('data-c4ai-selection-order') || '0');
const orderB = parseInt(b.getAttribute('data-c4ai-selection-order') || '0');
return orderA - orderB;
});
// Convert each element separately
const markdownParts = [];
for (let i = 0; i < sortedElements.length; i++) {
const element = sortedElements[i];
// Add XPath header if enabled
if (options.includeXPath) {
const xpath = this.getXPath(element);
markdownParts.push(`### Element ${i + 1} - XPath: \`${xpath}\`\n`);
}
// Check if element is part of a table structure that should be processed specially
let elementsToConvert = [element];
// If text-only mode and element is a TR, process the entire table for better context
if (options.textOnly && element.tagName === 'TR') {
const table = element.closest('table');
if (table && !sortedElements.includes(table)) {
// Only include this table row, not the whole table
elementsToConvert = [element];
}
}
// Analyze and convert individual element
const analysis = await this.contentAnalyzer.analyze(elementsToConvert);
const markdown = await this.markdownConverter.convert(elementsToConvert, {
...options,
analysis
});
// Trim the markdown before adding
const trimmedMarkdown = markdown.trim();
markdownParts.push(trimmedMarkdown);
// Add separator if enabled and not last element
if (options.addSeparators && i < sortedElements.length - 1) {
markdownParts.push('\n---\n');
}
}
return markdownParts.join('\n');
}
getXPath(element) {
if (element.id) {
return `//*[@id="${element.id}"]`;
}
const parts = [];
let current = element;
while (current && current.nodeType === Node.ELEMENT_NODE) {
let index = 0;
let sibling = current.previousSibling;
while (sibling) {
if (sibling.nodeType === Node.ELEMENT_NODE && sibling.nodeName === current.nodeName) {
index++;
}
sibling = sibling.previousSibling;
}
const tagName = current.nodeName.toLowerCase();
const part = index > 0 ? `${tagName}[${index + 1}]` : tagName;
parts.unshift(part);
current = current.parentNode;
}
return '/' + parts.join('/');
}
sortElementsByPosition(elements) {
return elements.sort((a, b) => {
const position = a.compareDocumentPosition(b);
if (position & Node.DOCUMENT_POSITION_FOLLOWING) {
return -1;
} else if (position & Node.DOCUMENT_POSITION_PRECEDING) {
return 1;
}
return 0;
});
}
async copyToClipboard() {
if (this.markdownPreviewModal) {
await this.markdownPreviewModal.copyToClipboard();
}
}
async downloadMarkdown() {
if (this.markdownPreviewModal) {
await this.markdownPreviewModal.downloadMarkdown();
}
}
showNotification(message, type = 'success') {
const notification = document.createElement('div');
notification.className = `c4ai-notification c4ai-notification-${type}`;
notification.textContent = message;
document.body.appendChild(notification);
// Animate in
setTimeout(() => notification.classList.add('show'), 10);
// Remove after 3 seconds
setTimeout(() => {
notification.classList.remove('show');
setTimeout(() => notification.remove(), 300);
}, 3000);
}
deactivate() {
// Remove event listeners
document.removeEventListener('click', this.documentClickHandler, true);
document.removeEventListener('click', this.linkClickHandler, true);
document.removeEventListener('mouseover', this.documentHoverHandler, true);
document.removeEventListener('mouseout', this.documentMouseOutHandler, true);
document.removeEventListener('keydown', this.keyboardHandler);
// Clear selections
this.clearSelection();
// Remove UI elements
if (this.toolbar) {
this.toolbar.remove();
this.toolbar = null;
}
if (this.markdownPreviewModal) {
this.markdownPreviewModal.destroy();
this.markdownPreviewModal = null;
}
// Remove hover styles
document.querySelectorAll('.c4ai-hover-candidate').forEach(el => {
el.classList.remove('c4ai-hover-candidate');
});
// Notify background script (with error handling)
try {
if (chrome.runtime && chrome.runtime.sendMessage) {
chrome.runtime.sendMessage({
action: 'c2cDeactivated'
});
}
} catch (error) {
// Extension context might be invalidated, ignore the error
console.log('Markdown Extraction deactivated (extension context unavailable)');
}
}
}
@@ -0,0 +1,300 @@
// Shared Markdown Preview Modal Component for Crawl4AI Assistant
// Used by both SchemaBuilder and Click2CrawlBuilder
class MarkdownPreviewModal {
constructor(options = {}) {
this.modal = null;
this.markdownOptions = {
includeImages: true,
preserveTables: true,
keepCodeFormatting: true,
simplifyLayout: false,
preserveLinks: true,
addSeparators: true,
includeXPath: false,
textOnly: false,
...options
};
this.onGenerateMarkdown = null;
this.currentMarkdown = '';
}
show(generateMarkdownCallback) {
this.onGenerateMarkdown = generateMarkdownCallback;
if (!this.modal) {
this.createModal();
}
// Generate initial markdown
this.updateContent();
this.modal.style.display = 'block';
}
hide() {
if (this.modal) {
this.modal.style.display = 'none';
}
}
createModal() {
this.modal = document.createElement('div');
this.modal.className = 'c4ai-c2c-preview';
this.modal.innerHTML = `
<div class="c4ai-preview-header">
<div class="c4ai-toolbar-dots">
<span class="c4ai-dot c4ai-dot-red"></span>
<span class="c4ai-dot c4ai-dot-yellow"></span>
<span class="c4ai-dot c4ai-dot-green"></span>
</div>
<span class="c4ai-preview-title">Markdown Preview</span>
<button class="c4ai-preview-close">×</button>
</div>
<div class="c4ai-preview-options">
<label><input type="checkbox" name="textOnly"> 👁️ Visual Text Mode (As You See)</label>
<label><input type="checkbox" name="includeImages" checked> Include Images</label>
<label><input type="checkbox" name="preserveTables" checked> Preserve Tables</label>
<label><input type="checkbox" name="preserveLinks" checked> Preserve Links</label>
<label><input type="checkbox" name="keepCodeFormatting" checked> Keep Code Formatting</label>
<label><input type="checkbox" name="simplifyLayout"> Simplify Layout</label>
<label><input type="checkbox" name="addSeparators" checked> Add Separators</label>
<label><input type="checkbox" name="includeXPath"> Include XPath Headers</label>
</div>
<div class="c4ai-preview-content">
<div class="c4ai-preview-tabs">
<button class="c4ai-tab active" data-tab="preview">Preview</button>
<button class="c4ai-tab" data-tab="markdown">Markdown</button>
<button class="c4ai-wrap-toggle" title="Toggle word wrap">↔️ Wrap</button>
</div>
<div class="c4ai-preview-pane active" data-pane="preview"></div>
<div class="c4ai-preview-pane" data-pane="markdown"></div>
</div>
<div class="c4ai-preview-actions">
<button class="c4ai-download-btn">Download .md</button>
<button class="c4ai-copy-markdown-btn">Copy Markdown</button>
<button class="c4ai-cloud-btn" disabled>Send to Cloud (Coming Soon)</button>
</div>
`;
document.body.appendChild(this.modal);
// Make modal draggable
if (window.C4AI_Utils && window.C4AI_Utils.makeDraggable) {
window.C4AI_Utils.makeDraggable(this.modal);
}
// Position preview modal
this.modal.style.position = 'fixed';
this.modal.style.top = '50%';
this.modal.style.left = '50%';
this.modal.style.transform = 'translate(-50%, -50%)';
this.modal.style.zIndex = '999999';
this.setupEventListeners();
}
setupEventListeners() {
// Close button
this.modal.querySelector('.c4ai-preview-close').addEventListener('click', () => {
this.hide();
});
// Tab switching
this.modal.querySelectorAll('.c4ai-tab').forEach(tab => {
tab.addEventListener('click', (e) => {
const tabName = e.target.dataset.tab;
this.switchTab(tabName);
});
});
// Wrap toggle
const wrapToggle = this.modal.querySelector('.c4ai-wrap-toggle');
wrapToggle.addEventListener('click', () => {
const panes = this.modal.querySelectorAll('.c4ai-preview-pane');
panes.forEach(pane => {
pane.classList.toggle('wrap');
});
wrapToggle.classList.toggle('active');
});
// Options change
this.modal.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
checkbox.addEventListener('change', async (e) => {
this.markdownOptions[e.target.name] = e.target.checked;
// Handle text-only mode dependencies
if (e.target.name === 'textOnly' && e.target.checked) {
const preserveLinksCheckbox = this.modal.querySelector('input[name="preserveLinks"]');
if (preserveLinksCheckbox) {
preserveLinksCheckbox.checked = false;
preserveLinksCheckbox.disabled = true;
this.markdownOptions.preserveLinks = false;
}
const includeImagesCheckbox = this.modal.querySelector('input[name="includeImages"]');
if (includeImagesCheckbox) {
includeImagesCheckbox.disabled = true;
}
} else if (e.target.name === 'textOnly' && !e.target.checked) {
// Re-enable options when text-only is disabled
const preserveLinksCheckbox = this.modal.querySelector('input[name="preserveLinks"]');
if (preserveLinksCheckbox) {
preserveLinksCheckbox.disabled = false;
}
const includeImagesCheckbox = this.modal.querySelector('input[name="includeImages"]');
if (includeImagesCheckbox) {
includeImagesCheckbox.disabled = false;
}
}
// Update markdown content
await this.updateContent();
});
});
// Action buttons
this.modal.querySelector('.c4ai-copy-markdown-btn').addEventListener('click', () => {
this.copyToClipboard();
});
this.modal.querySelector('.c4ai-download-btn').addEventListener('click', () => {
this.downloadMarkdown();
});
}
switchTab(tabName) {
// Update active tab
this.modal.querySelectorAll('.c4ai-tab').forEach(tab => {
tab.classList.toggle('active', tab.dataset.tab === tabName);
});
// Update active pane
this.modal.querySelectorAll('.c4ai-preview-pane').forEach(pane => {
pane.classList.toggle('active', pane.dataset.pane === tabName);
});
}
async updateContent() {
if (!this.onGenerateMarkdown) return;
try {
// Generate markdown with current options
this.currentMarkdown = await this.onGenerateMarkdown(this.markdownOptions);
// Update markdown pane
const markdownPane = this.modal.querySelector('[data-pane="markdown"]');
markdownPane.innerHTML = `<pre><code>${this.escapeHtml(this.currentMarkdown)}</code></pre>`;
// Update preview pane
const previewPane = this.modal.querySelector('[data-pane="preview"]');
// Use marked.js if available
if (window.marked) {
marked.setOptions({
gfm: true,
breaks: true,
tables: true,
headerIds: false,
mangle: false
});
const html = marked.parse(this.currentMarkdown);
previewPane.innerHTML = `<div class="c4ai-markdown-preview">${html}</div>`;
} else {
// Fallback
previewPane.innerHTML = `<div class="c4ai-markdown-preview"><pre>${this.escapeHtml(this.currentMarkdown)}</pre></div>`;
}
} catch (error) {
console.error('Error generating markdown:', error);
this.showNotification('Error generating markdown', 'error');
}
}
async copyToClipboard() {
try {
await navigator.clipboard.writeText(this.currentMarkdown);
this.showNotification('Markdown copied to clipboard!');
} catch (err) {
console.error('Failed to copy:', err);
this.showNotification('Failed to copy. Please try again.', 'error');
}
}
async downloadMarkdown() {
const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5);
const filename = `crawl4ai-export-${timestamp}.md`;
// Create blob and download
const blob = new Blob([this.currentMarkdown], { type: 'text/markdown' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
this.showNotification(`Downloaded ${filename}`);
}
showNotification(message, type = 'success') {
const notification = document.createElement('div');
notification.className = `c4ai-notification c4ai-notification-${type}`;
notification.textContent = message;
document.body.appendChild(notification);
// Animate in
setTimeout(() => notification.classList.add('show'), 10);
// Remove after 3 seconds
setTimeout(() => {
notification.classList.remove('show');
setTimeout(() => notification.remove(), 300);
}, 3000);
}
escapeHtml(unsafe) {
return unsafe
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}
// Get current options
getOptions() {
return { ...this.markdownOptions };
}
// Update options programmatically
setOptions(options) {
this.markdownOptions = { ...this.markdownOptions, ...options };
// Update checkboxes to reflect new options
Object.entries(options).forEach(([key, value]) => {
const checkbox = this.modal?.querySelector(`input[name="${key}"]`);
if (checkbox && typeof value === 'boolean') {
checkbox.checked = value;
}
});
}
// Cleanup
destroy() {
if (this.modal) {
this.modal.remove();
this.modal = null;
}
this.onGenerateMarkdown = null;
}
}
// Export for use in other scripts
if (typeof window !== 'undefined') {
window.MarkdownPreviewModal = MarkdownPreviewModal;
}
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,253 @@
// Shared utilities for Crawl4AI Chrome Extension
// Make element draggable by its titlebar
function makeDraggable(element) {
let isDragging = false;
let startX, startY, initialX, initialY;
const titlebar = element.querySelector('.c4ai-toolbar-titlebar, .c4ai-titlebar');
if (!titlebar) return;
titlebar.addEventListener('mousedown', (e) => {
// Don't drag if clicking on buttons
if (e.target.classList.contains('c4ai-dot') || e.target.closest('button')) return;
isDragging = true;
startX = e.clientX;
startY = e.clientY;
const rect = element.getBoundingClientRect();
initialX = rect.left;
initialY = rect.top;
element.style.transition = 'none';
titlebar.style.cursor = 'grabbing';
});
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
const deltaX = e.clientX - startX;
const deltaY = e.clientY - startY;
element.style.left = `${initialX + deltaX}px`;
element.style.top = `${initialY + deltaY}px`;
element.style.right = 'auto';
});
document.addEventListener('mouseup', () => {
if (isDragging) {
isDragging = false;
element.style.transition = '';
titlebar.style.cursor = 'grab';
}
});
}
// Make element draggable by a specific header element
function makeDraggableByHeader(element) {
let isDragging = false;
let startX, startY, initialX, initialY;
const header = element.querySelector('.c4ai-debugger-header');
if (!header) return;
header.addEventListener('mousedown', (e) => {
// Don't drag if clicking on close button
if (e.target.id === 'c4ai-close-debugger' || e.target.closest('#c4ai-close-debugger')) return;
isDragging = true;
startX = e.clientX;
startY = e.clientY;
const rect = element.getBoundingClientRect();
initialX = rect.left;
initialY = rect.top;
element.style.transition = 'none';
header.style.cursor = 'grabbing';
});
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
const deltaX = e.clientX - startX;
const deltaY = e.clientY - startY;
element.style.left = `${initialX + deltaX}px`;
element.style.top = `${initialY + deltaY}px`;
element.style.right = 'auto';
});
document.addEventListener('mouseup', () => {
if (isDragging) {
isDragging = false;
element.style.transition = '';
header.style.cursor = 'grab';
}
});
}
// Escape HTML for safe display
function escapeHtml(text) {
const div = document.createElement('div');
div.textContent = text;
return div.innerHTML;
}
// Apply syntax highlighting to Python code
function applySyntaxHighlighting(codeElement) {
const code = codeElement.textContent;
// Split by lines to handle line-by-line
const lines = code.split('\n');
const highlightedLines = lines.map(line => {
let highlightedLine = escapeHtml(line);
// Skip if line is empty
if (!highlightedLine.trim()) return highlightedLine;
// Comments (lines starting with #)
if (highlightedLine.trim().startsWith('#')) {
return `<span class="c4ai-comment">${highlightedLine}</span>`;
}
// Triple quoted strings
if (highlightedLine.includes('"""')) {
highlightedLine = highlightedLine.replace(/(""".*?""")/g, '<span class="c4ai-string">$1</span>');
}
// Regular strings - single and double quotes
highlightedLine = highlightedLine.replace(/(["'])([^"']*)\1/g, '<span class="c4ai-string">$1$2$1</span>');
// Keywords - only highlight if not inside a string
const keywords = ['import', 'from', 'async', 'def', 'await', 'try', 'except', 'with', 'as', 'for', 'if', 'else', 'elif', 'return', 'print', 'open', 'and', 'or', 'not', 'in', 'is', 'class', 'self', 'None', 'True', 'False', '__name__', '__main__'];
keywords.forEach(keyword => {
// Use word boundaries and lookahead/lookbehind to ensure we're not in a string
const regex = new RegExp(`\\b(${keyword})\\b(?![^<]*</span>)`, 'g');
highlightedLine = highlightedLine.replace(regex, '<span class="c4ai-keyword">$1</span>');
});
// Functions (word followed by parenthesis)
highlightedLine = highlightedLine.replace(/\b([a-zA-Z_]\w*)\s*\(/g, '<span class="c4ai-function">$1</span>(');
return highlightedLine;
});
codeElement.innerHTML = highlightedLines.join('\n');
}
// Apply syntax highlighting to JavaScript code
function applySyntaxHighlightingJS(codeElement) {
const code = codeElement.textContent;
// Split by lines to handle line-by-line
const lines = code.split('\n');
const highlightedLines = lines.map(line => {
let highlightedLine = escapeHtml(line);
// Skip if line is empty
if (!highlightedLine.trim()) return highlightedLine;
// Comments
if (highlightedLine.trim().startsWith('//')) {
return `<span class="c4ai-comment">${highlightedLine}</span>`;
}
// Multi-line comments
highlightedLine = highlightedLine.replace(/(\/\*.*?\*\/)/g, '<span class="c4ai-comment">$1</span>');
// Template literals
highlightedLine = highlightedLine.replace(/(`[^`]*`)/g, '<span class="c4ai-string">$1</span>');
// Regular strings - single and double quotes
highlightedLine = highlightedLine.replace(/(["'])([^"']*)\1/g, '<span class="c4ai-string">$1$2$1</span>');
// Keywords
const keywords = ['const', 'let', 'var', 'function', 'async', 'await', 'if', 'else', 'for', 'while', 'do', 'switch', 'case', 'break', 'continue', 'return', 'try', 'catch', 'finally', 'throw', 'new', 'this', 'class', 'extends', 'import', 'export', 'default', 'from', 'null', 'undefined', 'true', 'false'];
keywords.forEach(keyword => {
const regex = new RegExp(`\\b(${keyword})\\b(?![^<]*</span>)`, 'g');
highlightedLine = highlightedLine.replace(regex, '<span class="c4ai-keyword">$1</span>');
});
// Functions and methods
highlightedLine = highlightedLine.replace(/\b([a-zA-Z_$][\w$]*)\s*\(/g, '<span class="c4ai-function">$1</span>(');
// Numbers
highlightedLine = highlightedLine.replace(/\b(\d+)\b/g, '<span class="c4ai-number">$1</span>');
return highlightedLine;
});
codeElement.innerHTML = highlightedLines.join('\n');
}
// Get element selector
function getElementSelector(element) {
// Priority: ID > unique class > tag with position
if (element.id) {
return `#${element.id}`;
}
if (element.className && typeof element.className === 'string') {
const classes = element.className.split(' ').filter(c => c && !c.startsWith('c4ai-'));
if (classes.length > 0) {
const selector = `.${classes[0]}`;
if (document.querySelectorAll(selector).length === 1) {
return selector;
}
}
}
// Build a path selector
const path = [];
let current = element;
while (current && current !== document.body) {
const tagName = current.tagName.toLowerCase();
const parent = current.parentElement;
if (parent) {
const siblings = Array.from(parent.children);
const index = siblings.indexOf(current) + 1;
if (siblings.filter(s => s.tagName === current.tagName).length > 1) {
path.unshift(`${tagName}:nth-child(${index})`);
} else {
path.unshift(tagName);
}
} else {
path.unshift(tagName);
}
current = parent;
}
return path.join(' > ');
}
// Check if element is part of our extension UI
function isOurElement(element) {
return element.classList.contains('c4ai-highlight-box') ||
element.classList.contains('c4ai-toolbar') ||
element.closest('.c4ai-toolbar') ||
element.classList.contains('c4ai-script-toolbar') ||
element.closest('.c4ai-script-toolbar') ||
element.closest('.c4ai-field-dialog') ||
element.closest('.c4ai-code-modal') ||
element.closest('.c4ai-wait-dialog') ||
element.closest('.c4ai-timeline-modal');
}
// Export utilities
window.C4AI_Utils = {
makeDraggable,
makeDraggableByHeader,
escapeHtml,
applySyntaxHighlighting,
applySyntaxHighlightingJS,
getElementSelector,
isOurElement
};
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Crawl4AI Assistant - Chrome Extension for Visual Web Scraping</title>
<link rel="stylesheet" href="assistant.css">
</head>
<body>
<div class="terminal-container">
<div class="header">
<div class="header-content">
<div class="logo-section">
<img src="../../img/favicon-32x32.png" alt="Crawl4AI Logo" class="logo">
<div>
<h1>Crawl4AI Assistant</h1>
<p class="tagline">Chrome Extension for Visual Web Scraping</p>
</div>
</div>
<nav class="nav-links">
<a href="../../" class="nav-link">← Back to Docs</a>
<a href="../" class="nav-link">All Apps</a>
<a href="https://github.com/unclecode/crawl4ai" class="nav-link" target="_blank">GitHub</a>
</nav>
</div>
</div>
<div class="content">
<!-- Video Section -->
<section class="video-section">
<div class="video-wrapper">
<video autoplay loop muted playsinline class="demo-video">
<source src="demo.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
</div>
</section>
<!-- Cloud Announcement Banner -->
<section class="cloud-banner-section">
<div class="cloud-banner">
<div class="cloud-banner-content">
<div class="cloud-banner-text">
<h3>You don't need Puppeteer. You need Crawl4AI Cloud.</h3>
<p>One API call. JS-rendered. No browser cluster to maintain.</p>
</div>
<button class="cloud-banner-btn" id="joinWaitlistBanner">
Get API Key →
</button>
</div>
</div>
</section>
<!-- Introduction -->
<section class="intro-section">
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">About Crawl4AI Assistant</span>
</div>
<div class="terminal-content">
<p>Transform any website into structured data with just a few clicks! The Crawl4AI Assistant Chrome Extension provides three powerful tools for web scraping and data extraction.</p>
<div style="background: #0fbbaa; color: #070708; padding: 12px 16px; border-radius: 8px; margin: 16px 0; font-weight: 600;">
🎉 NEW: Click2Crawl extracts data INSTANTLY without any LLM! Test your schema and see JSON results immediately in the browser!
</div>
<div class="features-grid">
<div class="feature-card">
<span class="feature-icon">🎯</span>
<h3>Click2Crawl</h3>
<p>Visual data extraction - click elements to build schemas instantly!</p>
</div>
<div class="feature-card">
<span class="feature-icon">🔴</span>
<h3>Script Builder <span style="color: #f380f5; font-size: 0.75rem;">(Alpha)</span></h3>
<p>Record browser actions to create automation scripts</p>
</div>
<div class="feature-card">
<span class="feature-icon">📝</span>
<h3>Markdown Extraction <span style="color: #0fbbaa; font-size: 0.75rem;">(New!)</span></h3>
<p>Convert any webpage content to clean markdown with Visual Text Mode</p>
</div>
<!-- <div class="feature-card">
<span class="feature-icon">🐍</span>
<h3>Python Code</h3>
<p>Get production-ready Crawl4AI code instantly</p>
</div> -->
</div>
</div>
</div>
</section>
<!-- Quick Start -->
<section class="quickstart-section">
<h2>Quick Start</h2>
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">Installation</span>
</div>
<div class="terminal-content">
<div class="installation-steps">
<div class="step">
<span class="step-number">1</span>
<div class="step-content">
<h4>Download the Extension</h4>
<p>Get the latest release from GitHub or use the button below</p>
<a href="crawl4ai-assistant-v1.3.0.zip" class="download-button" download>
<span class="button-icon"></span>
Download Extension (v1.3.0)
</a>
</div>
</div>
<div class="step">
<span class="step-number">2</span>
<div class="step-content">
<h4>Load in Chrome</h4>
<p>Navigate to <code>chrome://extensions/</code> and enable Developer Mode</p>
</div>
</div>
<div class="step">
<span class="step-number">3</span>
<div class="step-content">
<h4>Load Unpacked</h4>
<p>Click "Load unpacked" and select the extracted extension folder</p>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Interactive Tools Section -->
<section class="interactive-tools">
<h2>Explore Our Tools</h2>
<div class="tools-container">
<!-- Left Panel - Tool Selector -->
<div class="tools-panel">
<div class="tool-selector active" data-tool="click2crawl">
<div class="tool-icon">🎯</div>
<div class="tool-info">
<h3>Click2Crawl</h3>
<p>Visual data extraction</p>
</div>
<div class="tool-status">Available</div>
</div>
<div class="tool-selector" data-tool="script-builder">
<div class="tool-icon">🔴</div>
<div class="tool-info">
<h3>Script Builder</h3>
<p>Browser automation</p>
</div>
<div class="tool-status alpha">Alpha</div>
</div>
<div class="tool-selector" data-tool="markdown-extraction">
<div class="tool-icon">📝</div>
<div class="tool-info">
<h3>Markdown Extraction</h3>
<p>Content to markdown</p>
</div>
<div class="tool-status new">New!</div>
</div>
</div>
<!-- Right Panel - Tool Details -->
<div class="tool-details">
<!-- Click2Crawl Details -->
<div class="tool-content active" id="click2crawl">
<div class="tool-header">
<h3>🎯 Click2Crawl</h3>
<span class="tool-tagline">Click elements to build extraction schemas - No LLM needed!</span>
</div>
<div class="tool-steps">
<div class="step-item">
<div class="step-number">1</div>
<div class="step-content">
<h4>Select Container</h4>
<p>Click on any repeating element like product cards or articles. Use up/down navigation to fine-tune selection!</p>
<div class="step-visual">
<span class="highlight-green"></span> Container highlighted in green
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">2</div>
<div class="step-content">
<h4>Click Fields to Extract</h4>
<p>Click on data fields inside the container - choose text, links, images, or attributes</p>
<div class="step-visual">
<span class="highlight-pink"></span> Fields highlighted in pink
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">3</div>
<div class="step-content">
<h4>Test & Extract Data Instantly!</h4>
<p>🎉 Click "Test Schema" to see extracted JSON immediately - no LLM or coding required!</p>
<div class="step-visual">
<span class="highlight-accent"></span> See extracted JSON immediately
</div>
</div>
</div>
</div>
<div class="tool-features">
<div class="feature-tag">🚀 Zero LLM dependency</div>
<div class="feature-tag">📊 Instant JSON extraction</div>
<div class="feature-tag">🎯 Visual element selection</div>
<div class="feature-tag">🐍 Export Python code</div>
<div class="feature-tag">✨ Live preview</div>
<div class="feature-tag">📥 Download results</div>
<div class="feature-tag">📝 Export to markdown</div>
</div>
</div>
<!-- Script Builder Details -->
<div class="tool-content" id="script-builder">
<div class="tool-header">
<h3>🔴 Script Builder</h3>
<span class="tool-tagline">Record actions, generate automation</span>
</div>
<div class="tool-steps">
<div class="step-item">
<div class="step-number">1</div>
<div class="step-content">
<h4>Hit Record</h4>
<p>Start capturing your browser interactions</p>
<div class="step-visual">
<span class="recording-dot"></span> Recording indicator
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">2</div>
<div class="step-content">
<h4>Interact Naturally</h4>
<p>Click, type, scroll - everything is captured</p>
<div class="step-visual">
<span class="action-icon">🖱️</span> <span class="action-icon">⌨️</span> <span class="action-icon">📜</span>
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">3</div>
<div class="step-content">
<h4>Export Script</h4>
<p>Get JavaScript for Crawl4AI's js_code parameter</p>
<div class="step-visual">
<span class="highlight-accent">📝</span> Automation ready
</div>
</div>
</div>
</div>
<div class="tool-features">
<div class="feature-tag">Smart action grouping</div>
<div class="feature-tag">Wait detection</div>
<div class="feature-tag">Keyboard shortcuts</div>
<div class="feature-tag alpha-tag">Alpha version</div>
</div>
</div>
<!-- Markdown Extraction Details -->
<div class="tool-content" id="markdown-extraction">
<div class="tool-header">
<h3>📝 Markdown Extraction</h3>
<span class="tool-tagline">Convert webpage content to clean markdown "as you see"</span>
</div>
<div class="tool-steps">
<div class="step-item">
<div class="step-number">1</div>
<div class="step-content">
<h4>Ctrl/Cmd + Click</h4>
<p>Hold Ctrl/Cmd and click multiple elements you want to extract</p>
<div class="step-visual">
<span class="highlight-green">🔢</span> Numbered selection badges
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">2</div>
<div class="step-content">
<h4>Enable Visual Text Mode</h4>
<p>Extract content "as you see" - clean text without complex HTML structures</p>
<div class="step-visual">
<span class="highlight-accent">👁️</span> Visual Text Mode (As You See)
</div>
</div>
</div>
<div class="step-item">
<div class="step-number">3</div>
<div class="step-content">
<h4>Export Clean Markdown</h4>
<p>Get beautifully formatted markdown ready for documentation or LLMs</p>
<div class="step-visual">
<span class="highlight-pink">📄</span> Clean, readable output
</div>
</div>
</div>
</div>
<div class="tool-features">
<div class="feature-tag">Multi-select with Ctrl/Cmd</div>
<div class="feature-tag">Visual Text Mode (As You See)</div>
<div class="feature-tag">Clean markdown output</div>
<div class="feature-tag">Export to Crawl4AI Cloud (soon)</div>
</div>
</div>
</div>
</div>
</section>
<!-- Interactive Code Examples -->
<section class="code-showcase">
<h2>See the Generated Code & Extracted Data</h2>
<div class="code-tabs">
<button class="code-tab active" data-example="schema">🎯 Click2Crawl</button>
<button class="code-tab" data-example="script">🔴 Script Builder</button>
<button class="code-tab" data-example="markdown">📝 Markdown Extraction</button>
</div>
<div class="code-examples">
<!-- Click2Crawl Code -->
<div class="code-example active" id="code-schema">
<div style="display: grid; grid-template-columns: 1fr 1fr; gap: 16px;">
<!-- Python Code -->
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">click2crawl_extraction.py</span>
<button class="copy-button" data-code="schema-python">Copy</button>
</div>
<div class="terminal-content">
<pre><code><span class="comment">#!/usr/bin/env python3</span>
<span class="comment">"""
🎉 NO LLM NEEDED! Direct extraction with CSS selectors
Generated by Crawl4AI Chrome Extension - Click2Crawl
"""</span>
<span class="keyword">import</span> asyncio
<span class="keyword">import</span> json
<span class="keyword">from</span> crawl4ai <span class="keyword">import</span> AsyncWebCrawler, BrowserConfig, CrawlerRunConfig
<span class="keyword">from</span> crawl4ai.extraction_strategy <span class="keyword">import</span> JsonCssExtractionStrategy
<span class="comment"># The EXACT schema from Click2Crawl - no guessing!</span>
EXTRACTION_SCHEMA = {
<span class="string">"name"</span>: <span class="string">"Product Catalog"</span>,
<span class="string">"baseSelector"</span>: <span class="string">"div.product-card"</span>, <span class="comment"># The container you selected</span>
<span class="string">"fields"</span>: [
{
<span class="string">"name"</span>: <span class="string">"title"</span>,
<span class="string">"selector"</span>: <span class="string">"h3.product-title"</span>,
<span class="string">"type"</span>: <span class="string">"text"</span>
},
{
<span class="string">"name"</span>: <span class="string">"price"</span>,
<span class="string">"selector"</span>: <span class="string">"span.price"</span>,
<span class="string">"type"</span>: <span class="string">"text"</span>
},
{
<span class="string">"name"</span>: <span class="string">"image"</span>,
<span class="string">"selector"</span>: <span class="string">"img.product-img"</span>,
<span class="string">"type"</span>: <span class="string">"attribute"</span>,
<span class="string">"attribute"</span>: <span class="string">"src"</span>
},
{
<span class="string">"name"</span>: <span class="string">"link"</span>,
<span class="string">"selector"</span>: <span class="string">"a.product-link"</span>,
<span class="string">"type"</span>: <span class="string">"attribute"</span>,
<span class="string">"attribute"</span>: <span class="string">"href"</span>
}
]
}
<span class="keyword">async</span> <span class="keyword">def</span> <span class="function">extract_data</span>(url: str):
<span class="comment"># Direct extraction - no LLM API calls!</span>
extraction_strategy = JsonCssExtractionStrategy(schema=EXTRACTION_SCHEMA)
<span class="keyword">async</span> <span class="keyword">with</span> AsyncWebCrawler() <span class="keyword">as</span> crawler:
result = <span class="keyword">await</span> crawler.arun(
url=url,
config=CrawlerRunConfig(extraction_strategy=extraction_strategy)
)
<span class="keyword">if</span> result.success:
data = json.loads(result.extracted_content)
<span class="keyword">print</span>(<span class="string">f"✅ Extracted {len(data)} items instantly!"</span>)
<span class="comment"># Save to file</span>
<span class="keyword">with</span> open(<span class="string">'products.json'</span>, <span class="string">'w'</span>) <span class="keyword">as</span> f:
json.dump(data, f, indent=2)
<span class="keyword">return</span> data
<span class="comment"># Run extraction on any similar page!</span>
data = asyncio.run(extract_data(<span class="string">"https://example.com/products"</span>))
<span class="comment"># 🎯 Result: Clean JSON data, no LLM costs, instant results!</span></code></pre>
</div>
</div>
<!-- Extracted JSON Data -->
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">extracted_data.json</span>
<button class="copy-button" data-code="schema-json">Copy</button>
</div>
<div class="terminal-content">
<pre><code><span class="comment">// 🎉 Instantly extracted from the page - no coding required!</span>
[
{
<span class="string">"title"</span>: <span class="string">"Wireless Bluetooth Headphones"</span>,
<span class="string">"price"</span>: <span class="string">"$79.99"</span>,
<span class="string">"image"</span>: <span class="string">"https://example.com/images/headphones-bt-01.jpg"</span>,
<span class="string">"link"</span>: <span class="string">"/products/wireless-bluetooth-headphones"</span>
},
{
<span class="string">"title"</span>: <span class="string">"Smart Watch Pro 2024"</span>,
<span class="string">"price"</span>: <span class="string">"$299.00"</span>,
<span class="string">"image"</span>: <span class="string">"https://example.com/images/smartwatch-pro.jpg"</span>,
<span class="string">"link"</span>: <span class="string">"/products/smart-watch-pro-2024"</span>
},
{
<span class="string">"title"</span>: <span class="string">"4K Webcam for Streaming"</span>,
<span class="string">"price"</span>: <span class="string">"$149.99"</span>,
<span class="string">"image"</span>: <span class="string">"https://example.com/images/webcam-4k.jpg"</span>,
<span class="string">"link"</span>: <span class="string">"/products/4k-webcam-streaming"</span>
},
{
<span class="string">"title"</span>: <span class="string">"Mechanical Gaming Keyboard RGB"</span>,
<span class="string">"price"</span>: <span class="string">"$129.99"</span>,
<span class="string">"image"</span>: <span class="string">"https://example.com/images/keyboard-gaming.jpg"</span>,
<span class="string">"link"</span>: <span class="string">"/products/mechanical-gaming-keyboard"</span>
},
{
<span class="string">"title"</span>: <span class="string">"USB-C Hub 7-in-1"</span>,
<span class="string">"price"</span>: <span class="string">"$45.99"</span>,
<span class="string">"image"</span>: <span class="string">"https://example.com/images/usbc-hub.jpg"</span>,
<span class="string">"link"</span>: <span class="string">"/products/usb-c-hub-7in1"</span>
}
]</code></pre>
</div>
</div>
</div>
</div>
<!-- Script Builder Code -->
<div class="code-example" id="code-script">
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">automation_script.py</span>
<button class="copy-button" data-code="script">Copy</button>
</div>
<div class="terminal-content">
<pre><code><span class="keyword">import</span> asyncio
<span class="keyword">from</span> crawl4ai <span class="keyword">import</span> AsyncWebCrawler, CrawlerRunConfig
<span class="comment"># JavaScript generated from your recorded actions</span>
js_script = <span class="string">"""
// Search for products
document.querySelector('button.search-toggle').click();
await new Promise(r => setTimeout(r, 500));
// Type search query
const searchInput = document.querySelector('input#search');
searchInput.value = 'wireless headphones';
searchInput.dispatchEvent(new Event('input', {bubbles: true}));
// Submit search
searchInput.dispatchEvent(new KeyboardEvent('keydown', {
key: 'Enter', keyCode: 13, bubbles: true
}));
// Wait for results
await new Promise(r => setTimeout(r, 2000));
// Click first product
document.querySelector('.product-item:first-child').click();
// Wait for product page
await new Promise(r => setTimeout(r, 1000));
// Add to cart
document.querySelector('button.add-to-cart').click();
"""</span>
<span class="keyword">async</span> <span class="keyword">def</span> <span class="function">automate_shopping</span>():
config = CrawlerRunConfig(
js_code=js_script,
wait_for=<span class="string">"css:.cart-confirmation"</span>,
screenshot=<span class="keyword">True</span>
)
<span class="keyword">async</span> <span class="keyword">with</span> AsyncWebCrawler() <span class="keyword">as</span> crawler:
result = <span class="keyword">await</span> crawler.arun(
url=<span class="string">"https://shop.example.com"</span>,
config=config
)
<span class="keyword">print</span>(<span class="string">f"✓ Automation complete: {result.url}"</span>)
<span class="keyword">return</span> result
asyncio.run(automate_shopping())</code></pre>
</div>
</div>
</div>
<!-- Markdown Extraction Output -->
<div class="code-example" id="code-markdown">
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">extracted_content.md</span>
<button class="copy-button" data-code="markdown">Copy</button>
</div>
<div class="terminal-content">
<pre><code><span class="comment"># Extracted from Hacker News with Visual Text Mode 👁️</span>
<span class="string">1. **Show HN: I built a tool to find and reach out to YouTubers** (hellosimply.io)
84 points by erickim 2 hours ago | hide | 31 comments
2. **The 24 Hour Restaurant** (logicmag.io)
124 points by helsinkiandrew 5 hours ago | hide | 52 comments
3. **Building a Better Bloom Filter in Rust** (carlmastrangelo.com)
89 points by carlmastrangelo 3 hours ago | hide | 27 comments
---
### Article: The 24 Hour Restaurant
In New York City, the 24-hour restaurant is becoming extinct. What we lose when we can no longer eat whenever we want.
When I first moved to New York, I loved that I could get a full meal at 3 AM. Not just pizza or fast food, but a proper sit-down dinner with table service and a menu that ran for pages. The city that never sleeps had restaurants that matched its rhythm.
Today, finding a 24-hour restaurant in Manhattan requires genuine effort. The pandemic accelerated a decline that was already underway, but the roots go deeper: rising rents, changing labor laws, and shifting cultural patterns have all contributed to the death of round-the-clock dining.
---
### Product Review: Framework Laptop 16
**Specifications:**
- Display: 16" 2560×1600 165Hz
- Processor: AMD Ryzen 7 7840HS
- Memory: 32GB DDR5-5600
- Storage: 2TB NVMe Gen4
- Price: Starting at $1,399
**Pros:**
- Fully modular and repairable
- Excellent Linux support
- Great keyboard and trackpad
- Expansion card system
**Cons:**
- Battery life could be better
- Slightly heavier than competitors
- Fan noise under load</span></code></pre>
</div>
</div>
</div>
</div>
</section>
<!-- Crawl4AI Cloud Section -->
<section class="cloud-section">
<div class="cloud-announcement">
<h2>Crawl4AI Cloud</h2>
<p class="cloud-tagline">Your browser cluster without the cluster.</p>
<div class="cloud-features-preview">
<div class="cloud-feature-item">
⚡ POST /crawl
</div>
<div class="cloud-feature-item">
🌐 JS-rendered pages
</div>
<div class="cloud-feature-item">
📊 Schema extraction built-in
</div>
<div class="cloud-feature-item">
💰 $0.001/page
</div>
</div>
<button class="cloud-cta-button" id="joinWaitlist">
Get Early Access →
</button>
<p class="cloud-hint">See it extract your own data. Right now.</p>
</div>
<!-- Hidden Signup Form -->
<div class="signup-overlay" id="signupOverlay">
<div class="signup-container" id="signupContainer">
<button class="close-signup" id="closeSignup">×</button>
<div class="signup-content" id="signupForm">
<h3>🚀 Join C4AI Cloud Waiting List</h3>
<p>Be among the first to experience the future of web scraping</p>
<form id="waitlistForm" class="waitlist-form">
<div class="form-field">
<label for="userName">Your Name</label>
<input type="text" id="userName" name="name" placeholder="John Doe" required>
</div>
<div class="form-field">
<label for="userEmail">Email Address</label>
<input type="email" id="userEmail" name="email" placeholder="john@example.com" required>
</div>
<div class="form-field">
<label for="userCompany">Company (Optional)</label>
<input type="text" id="userCompany" name="company" placeholder="Acme Inc.">
</div>
<div class="form-field">
<label for="useCase">What will you use Crawl4AI Cloud for?</label>
<select id="useCase" name="useCase">
<option value="">Select use case...</option>
<option value="price-monitoring">Price Monitoring</option>
<option value="news-aggregation">News Aggregation</option>
<option value="market-research">Market Research</option>
<option value="ai-training">AI Training Data</option>
<option value="other">Other</option>
</select>
</div>
<button type="submit" class="submit-button">
<span>🎯</span> Submit & Watch the Magic
</button>
</form>
</div>
<!-- Crawling Animation -->
<div class="crawl-animation" id="crawlAnimation" style="display: none;">
<div class="terminal-window crawl-terminal">
<div class="terminal-header">
<span class="terminal-title">Crawl4AI Cloud Demo</span>
</div>
<div class="terminal-content">
<pre id="crawlOutput" class="crawl-log"><code>$ crawl4ai cloud extract --url "signup-form" --auto-detect</code></pre>
</div>
</div>
<div class="extracted-preview" id="extractedPreview" style="display: none;">
<h4>📊 Extracted Data</h4>
<pre class="json-preview"><code id="jsonOutput"></code></pre>
</div>
<div class="success-message" id="successMessage" style="display: none;">
<div class="success-icon"></div>
<h3>Data Uploaded Successfully!</h3>
<p>You're on the Crawl4AI Cloud waiting list!</p>
<p>What you just witnessed:</p>
<ul>
<li>⚡ Real-time extraction of your form data</li>
<li>🔄 Automatic schema detection</li>
<li>📤 Instant cloud processing</li>
<li>✨ No code required - just like that!</li>
</ul>
<p class="success-note">We'll notify you at <strong id="userEmailDisplay"></strong> when Crawl4AI Cloud launches!</p>
<button class="continue-button" id="continueBtn">Continue Exploring</button>
</div>
</div>
</div>
</div>
</section>
<!-- Coming Soon Section -->
<section class="coming-soon-section">
<h2>More Features Coming Soon</h2>
<div class="terminal-window">
<div class="terminal-header">
<span class="terminal-title">Roadmap</span>
</div>
<div class="terminal-content">
<p class="intro-text">We're continuously expanding C4AI Assistant with powerful new features:</p>
<div class="coming-features">
<div class="coming-feature">
<div class="feature-header">
<span class="feature-badge">Direct</span>
<h3>Direct Data Download</h3>
</div>
<p>Skip the code generation entirely! Download extracted data directly from Click2Crawl as JSON or CSV files.</p>
<div class="feature-preview">
<code>📊 One-click download • No Python needed • Multiple export formats</code>
</div>
</div>
<div class="coming-feature">
<div class="feature-header">
<span class="feature-badge">AI</span>
<h3>Smart Field Detection</h3>
</div>
<p>AI-powered field detection for Click2Crawl that automatically suggests the most likely data fields on any page.</p>
<div class="feature-preview">
<code>🤖 Auto-detect fields • Smart naming • Pattern recognition</code>
</div>
</div>
</div>
<div class="stay-tuned">
<p>🚀 Stay tuned for updates! Follow our <a href="https://github.com/unclecode/crawl4ai" target="_blank">GitHub</a> for the latest releases.</p>
</div>
</div>
</div>
</section>
<!-- Footer -->
<footer class="footer">
<div class="footer-content">
<div class="footer-section">
<h4>Resources</h4>
<ul>
<li><a href="https://github.com/unclecode/crawl4ai">GitHub Repository</a></li>
<li><a href="../../">Documentation</a></li>
<li><a href="https://discord.gg/jP8KfhDhyN">Discord Community</a></li>
</ul>
</div>
<div class="footer-section">
<h4>Connect</h4>
<ul>
<li><a href="https://twitter.com/unclecode">Twitter @unclecode</a></li>
<li><a href="https://github.com/unclecode">GitHub @unclecode</a></li>
</ul>
</div>
</div>
<div class="footer-bottom">
<p>Made with 🚀 by the Crawl4AI team</p>
</div>
</footer>
</div>
</div>
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// Remove active class from all selectors
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this.classList.add('active');
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document.getElementById('code-' + exampleId).classList.add('active');
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// Copy Button Functionality
document.querySelectorAll('.copy-button').forEach(button => {
button.addEventListener('click', async function() {
const codeType = this.getAttribute('data-code');
let codeText = '';
// Handle different code types
if (codeType === 'schema-python') {
const codeElement = document.querySelector('#code-schema .terminal-window:first-child pre code');
codeText = codeElement.textContent;
} else if (codeType === 'schema-json') {
const codeElement = document.querySelector('#code-schema .terminal-window:last-child pre code');
codeText = codeElement.textContent;
} else {
const codeElement = document.getElementById('code-' + codeType).querySelector('pre code');
codeText = codeElement.textContent;
}
try {
await navigator.clipboard.writeText(codeText);
this.textContent = 'Copied!';
this.classList.add('copied');
setTimeout(() => {
this.textContent = 'Copy';
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}, 2000);
} catch (err) {
console.error('Failed to copy code:', err);
}
});
});
// Crawl4AI Cloud Interactive Demo
const joinWaitlistBtn = document.getElementById('joinWaitlist');
const signupOverlay = document.getElementById('signupOverlay');
const closeSignupBtn = document.getElementById('closeSignup');
const waitlistForm = document.getElementById('waitlistForm');
const signupForm = document.getElementById('signupForm');
const crawlAnimation = document.getElementById('crawlAnimation');
const crawlOutput = document.getElementById('crawlOutput');
const extractedPreview = document.getElementById('extractedPreview');
const jsonOutput = document.getElementById('jsonOutput');
const successMessage = document.getElementById('successMessage');
const continueBtn = document.getElementById('continueBtn');
const userEmailDisplay = document.getElementById('userEmailDisplay');
// Open signup modal
joinWaitlistBtn.addEventListener('click', () => {
signupOverlay.classList.add('active');
});
// Banner button
const joinWaitlistBannerBtn = document.getElementById('joinWaitlistBanner');
if (joinWaitlistBannerBtn) {
joinWaitlistBannerBtn.addEventListener('click', () => {
signupOverlay.classList.add('active');
});
}
// Close signup modal
closeSignupBtn.addEventListener('click', () => {
signupOverlay.classList.remove('active');
});
// Close on overlay click
signupOverlay.addEventListener('click', (e) => {
if (e.target === signupOverlay) {
signupOverlay.classList.remove('active');
}
});
// Continue button
if (continueBtn) {
continueBtn.addEventListener('click', () => {
signupOverlay.classList.remove('active');
// Reset form for next time
waitlistForm.reset();
signupForm.style.display = 'block';
crawlAnimation.style.display = 'none';
extractedPreview.style.display = 'none';
successMessage.style.display = 'none';
});
}
// Form submission with crawling animation
waitlistForm.addEventListener('submit', async (e) => {
e.preventDefault();
// Get form data
const formData = {
name: document.getElementById('userName').value,
email: document.getElementById('userEmail').value,
company: document.getElementById('userCompany').value || 'Not specified',
useCase: document.getElementById('useCase').value || 'General web scraping',
timestamp: new Date().toISOString(),
source: 'Crawl4AI Assistant Landing Page'
};
// Update email display
userEmailDisplay.textContent = formData.email;
// Hide form and show crawling animation
signupForm.style.display = 'none';
crawlAnimation.style.display = 'block';
// Clear previous output
const codeElement = crawlOutput.querySelector('code');
codeElement.innerHTML = '$ crawl4ai cloud extract --url "signup-form" --auto-detect\n\n';
// Simulate crawling process with proper C4AI log format
const crawlSteps = [
{
log: '<span class="log-init">[INIT]....</span> → Crawl4AI Cloud 1.0.0',
time: '0.12s'
},
{
log: '<span class="log-fetch">[FETCH]...</span> ↓ https://crawl4ai.com/waitlist-form',
time: '0.45s'
},
{
log: '<span class="log-scrape">[SCRAPE]..</span> ◆ https://crawl4ai.com/waitlist-form',
time: '0.28s'
},
{
log: '<span class="log-extract">[EXTRACT].</span> ■ Extracting form data with auto-detect',
time: '0.55s'
},
{
log: '<span class="log-complete">[COMPLETE]</span> ● https://crawl4ai.com/waitlist-form',
time: '1.40s'
}
];
let stepIndex = 0;
const typeStep = async () => {
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const step = crawlSteps[stepIndex];
codeElement.innerHTML += step.log + ' | <span class="log-success">✓</span> | <span class="log-time">⏱: ' + step.time + '</span>\n';
stepIndex++;
// Scroll to bottom
const terminal = crawlOutput.parentElement;
terminal.scrollTop = terminal.scrollHeight;
setTimeout(typeStep, 600);
} else {
// Show extracted data
setTimeout(() => {
codeElement.innerHTML += '\n<span class="log-success">[UPLOAD]..</span> ↑ Uploading to Crawl4AI Cloud...';
setTimeout(() => {
extractedPreview.style.display = 'block';
jsonOutput.textContent = JSON.stringify(formData, null, 2);
// Add syntax highlighting
jsonOutput.innerHTML = jsonOutput.textContent
.replace(/"([^"]+)":/g, '<span class="string">"$1"</span>:')
.replace(/: "([^"]+)"/g, ': <span class="string">"$1"</span>');
codeElement.innerHTML += ' | <span class="log-success">✓</span> | <span class="log-time">⏱: 0.23s</span>\n';
codeElement.innerHTML += '\n<span class="log-success">[SUCCESS]</span> ✨ Data uploaded successfully!';
// Show success message after a delay
setTimeout(() => {
successMessage.style.display = 'block';
// Smooth scroll to bottom to show success message
setTimeout(() => {
const container = document.getElementById('signupContainer');
container.scrollTo({
top: container.scrollHeight,
behavior: 'smooth'
});
}, 100);
// Actually submit to waiting list (you can implement this)
console.log('Waitlist submission:', formData);
}, 1500);
}, 800);
}, 600);
}
};
// Start the animation
setTimeout(typeStep, 500);
});
</script>
</body>
</html>
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{
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"version": "1.3.0",
"description": "Visual schema and script builder for Crawl4AI - Build extraction schemas and automation scripts by clicking and recording actions",
"permissions": [
"activeTab",
"storage",
"downloads"
],
"host_permissions": [
"<all_urls>"
],
"action": {
"default_popup": "popup/popup.html",
"default_icon": {
"16": "icons/icon-16.png",
"48": "icons/icon-48.png",
"128": "icons/icon-128.png"
}
},
"content_scripts": [
{
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"js": [
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"content/click2crawl.js",
"content/scriptBuilder.js",
"content/contentAnalyzer.js",
"content/markdownConverter.js",
"content/markdownExtraction.js",
"content/content.js"
],
"css": ["content/overlay.css"],
"run_at": "document_idle"
}
],
"background": {
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"128": "icons/icon-128.png"
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font-display: swap;
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header {
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height: 48px;
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flex: 1;
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header h1 {
font-size: 20px;
font-weight: 600;
color: #fff;
margin: 0 0 4px 0;
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display: flex;
align-items: center;
gap: 12px;
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.github-stars {
display: flex;
align-items: center;
gap: 6px;
color: #999;
text-decoration: none;
font-size: 13px;
transition: color 0.2s ease;
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flex-direction: column;
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width: 100%;
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.mode-button:hover:not(:disabled) {
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@@ -0,0 +1,111 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="popup.css">
</head>
<body>
<div class="popup-container">
<header>
<img src="icons/icon-48.png" class="logo" alt="Crawl4AI">
<div class="header-content">
<h1>Crawl4AI Assistant</h1>
<div class="header-stats">
<a href="https://github.com/unclecode/crawl4ai" target="_blank" class="github-stars">
<svg class="github-icon" viewBox="0 0 16 16" width="16" height="16">
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</svg>
<span id="stars-count">Loading...</span>
</a>
</div>
</div>
</header>
<div class="mode-selector">
<button id="schema-mode" class="mode-button schema">
<div class="icon">🎯</div>
<div class="mode-info">
<h3>Click2Crawl</h3>
<p>Click elements to build extraction schemas</p>
</div>
</button>
<button id="script-mode" class="mode-button script">
<div class="icon">🔴</div>
<div class="mode-info">
<h3>Script Builder <span style="color: #ff3c74; font-size: 10px;">(Alpha)</span></h3>
<p>Record actions to build automation scripts</p>
</div>
</button>
<button id="c2c-mode" class="mode-button c2c">
<div class="icon">📝</div>
<div class="mode-info">
<h3>Markdown Extraction</h3>
<p>Select elements and convert to clean markdown</p>
</div>
</button>
</div>
<div id="active-session" class="active-session hidden">
<div class="session-header">
<span class="status-dot"></span>
<span class="session-title">Schema Capture Active</span>
</div>
<div class="session-stats">
<div class="stat">
<span class="stat-label">Container:</span>
<span id="container-status" class="stat-value">Not selected</span>
</div>
<div class="stat">
<span class="stat-label">Fields:</span>
<span id="fields-count" class="stat-value">0</span>
</div>
</div>
<div class="session-actions">
<button id="generate-code" class="action-button primary" disabled>
<span>Generate Code</span>
</button>
<button id="stop-capture" class="action-button secondary">
<span>Stop Capture</span>
</button>
</div>
</div>
<div class="instructions" style="display: none;">
<h4>How to use:</h4>
<ol>
<li>Click "Click2Crawl" to start</li>
<li>Click on a container element (e.g., product card)</li>
<li>Click individual fields inside and name them</li>
<li>Generate Python code when done</li>
</ol>
</div>
<footer>
<div class="social-links">
<a href="https://docs.crawl4ai.com" target="_blank" class="social-link">
<svg viewBox="0 0 24 24" width="16" height="16">
<path fill="currentColor" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/>
</svg>
<span>Docs</span>
</a>
<a href="https://twitter.com/unclecode" target="_blank" class="social-link">
<svg viewBox="0 0 24 24" width="16" height="16">
<path fill="currentColor" d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z"/>
</svg>
<span>@unclecode</span>
</a>
<a href="https://discord.gg/jP8KfhDhyN" target="_blank" class="social-link">
<svg viewBox="0 0 24 24" width="16" height="16">
<path fill="currentColor" d="M19.27 5.33C17.94 4.71 16.5 4.26 15 4a.09.09 0 00-.07.03c-.18.33-.39.76-.53 1.09a16.09 16.09 0 00-4.8 0c-.14-.34-.35-.76-.54-1.09-.01-.02-.04-.03-.07-.03-1.5.26-2.93.71-4.27 1.33-.01 0-.02.01-.03.02-2.72 4.07-3.47 8.03-3.1 11.95 0 .02.01.04.03.05 1.8 1.32 3.53 2.12 5.24 2.65.03.01.06 0 .07-.02.4-.55.76-1.13 1.07-1.74.02-.04 0-.08-.04-.09-.57-.22-1.11-.48-1.64-.78-.04-.02-.04-.08-.01-.11.11-.08.22-.17.33-.25.02-.02.05-.02.07-.01 3.44 1.57 7.15 1.57 10.55 0 .02-.01.05-.01.07.01.11.09.22.17.33.26.04.03.04.09-.01.11-.52.31-1.07.56-1.64.78-.04.01-.05.06-.04.09.32.61.68 1.19 1.07 1.74.03.01.06.02.09.01 1.72-.53 3.45-1.33 5.25-2.65.02-.01.03-.03.03-.05.44-4.53-.73-8.46-3.1-11.95-.01-.01-.02-.02-.04-.02zM8.52 14.91c-1.03 0-1.89-.95-1.89-2.12s.84-2.12 1.89-2.12c1.06 0 1.9.96 1.89 2.12 0 1.17-.84 2.12-1.89 2.12zm6.97 0c-1.03 0-1.89-.95-1.89-2.12s.84-2.12 1.89-2.12c1.06 0 1.9.96 1.89 2.12 0 1.17-.83 2.12-1.89 2.12z"/>
</svg>
<span>Discord</span>
</a>
</div>
</footer>
</div>
<script src="popup.js"></script>
</body>
</html>
@@ -0,0 +1,146 @@
// Popup script for Crawl4AI Assistant
let activeMode = null;
document.addEventListener('DOMContentLoaded', () => {
// Fetch GitHub stars
fetchGitHubStars();
// Check current state
chrome.storage.local.get(['captureMode', 'captureStats'], (data) => {
if (data.captureMode) {
activeMode = data.captureMode;
showActiveSession(data.captureStats || {});
}
});
// Mode buttons
document.getElementById('schema-mode').addEventListener('click', () => {
startSchemaCapture();
});
document.getElementById('script-mode').addEventListener('click', () => {
startScriptCapture();
});
document.getElementById('c2c-mode').addEventListener('click', () => {
startClick2Crawl();
});
// Session actions
document.getElementById('generate-code').addEventListener('click', () => {
generateCode();
});
document.getElementById('stop-capture').addEventListener('click', () => {
stopCapture();
});
});
async function fetchGitHubStars() {
try {
const response = await fetch('https://api.github.com/repos/unclecode/crawl4ai');
const data = await response.json();
const stars = data.stargazers_count;
// Format the number (e.g., 1.2k)
let formattedStars;
if (stars >= 1000) {
formattedStars = (stars / 1000).toFixed(1) + 'k';
} else {
formattedStars = stars.toString();
}
document.getElementById('stars-count').textContent = `${formattedStars}`;
} catch (error) {
console.error('Failed to fetch GitHub stars:', error);
document.getElementById('stars-count').textContent = '⭐ 2k+';
}
}
function startSchemaCapture() {
chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, {
action: 'startSchemaCapture'
}, (response) => {
if (response && response.success) {
// Close the popup to let user interact with the page
window.close();
}
});
});
}
function startScriptCapture() {
chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, {
action: 'startScriptCapture'
}, (response) => {
if (response && response.success) {
// Close the popup to let user interact with the page
window.close();
}
});
});
}
function startClick2Crawl() {
chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, {
action: 'startClick2Crawl'
}, (response) => {
if (response && response.success) {
// Close the popup to let user interact with the page
window.close();
}
});
});
}
function showActiveSession(stats) {
document.querySelector('.mode-selector').style.display = 'none';
document.getElementById('active-session').classList.remove('hidden');
updateSessionStats(stats);
}
function updateSessionStats(stats) {
document.getElementById('container-status').textContent =
stats.container ? 'Selected ✓' : 'Not selected';
document.getElementById('fields-count').textContent = stats.fields || 0;
// Enable generate button if we have container and fields
document.getElementById('generate-code').disabled =
!stats.container || stats.fields === 0;
}
function generateCode() {
chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, {
action: 'generateCode'
});
});
}
function stopCapture() {
chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, {
action: 'stopCapture'
}, () => {
// Reset UI
document.querySelector('.mode-selector').style.display = 'flex';
document.getElementById('active-session').classList.add('hidden');
activeMode = null;
// Clear storage
chrome.storage.local.remove(['captureMode', 'captureStats']);
});
});
}
// Listen for stats updates from content script
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
if (message.action === 'updateStats') {
updateSessionStats(message.stats);
chrome.storage.local.set({ captureStats: message.stats });
}
});