feat(phase3): add code snippet copy buttons and collapsible TOC
SUMMARY: Implemented Phase 3 Tasks 3.6.1 and 3.6.2: Enhanced documentation with interactive code copy buttons and collapsible table of contents. CHANGES: 1. Created code-copy-button.js (new): - Auto-detects all <pre> code blocks - Adds "Copy" button to top-right of each block - Clipboard API with fallback for older browsers - Visual feedback: "✓ Copied!" on success - Styled to work on dark code backgrounds - Listens for 'documentLoaded' event for dynamic content - Accessible with aria-label 2. Created toc.js (new): - Automatically builds TOC from h1, h2, h3 headings - Sticky sidebar on desktop (lg:block) - Collapsible on mobile with toggle button - Scroll spy with Intersection Observer - Highlights current section - Smooth scroll to sections - Updates URL hash on navigation - Auto-collapses on mobile after clicking link 3. Updated docs-viewer.html: - Added TOC sidebar (sticky, desktop-only) - Improved layout with flex containers - Added both components to script imports - Maintained existing document viewer functionality FEATURES: Code Copy Buttons: - Button text: "Copy" → "✓ Copied!" → "Copy" - 2-second success/error feedback - Works on all <pre><code> blocks - Respects code indentation Table of Contents: - Auto-generated from headings with IDs - 3-level hierarchy (h1, h2, h3) - Visual active indicator (blue border + bold) - Mobile toggle with chevron icon - Sticky positioning on desktop - Smooth scroll behavior ACCESSIBILITY: ✓ Zero CSP violations maintained ✓ Keyboard navigation supported ✓ ARIA labels on interactive elements ✓ Semantic HTML (nav, aside) ✓ Focus indicators PERFORMANCE: - Intersection Observer for scroll spy (better than scroll listeners) - Minimal DOM manipulation - CSS transitions for smooth UX - Lazy initialization UI_TRANSFORMATION_PROJECT_PLAN.md: ✓ Phase 3 Task 3.6.1: Code snippet copy buttons ✓ Phase 3 Task 3.6.2: Collapsible table of contents NEXT STEPS: - Deploy to production for testing - Phase 3 Task 3.2: Interactive architecture diagram (complex, deferred) 🤖 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
TheFlow
parent
1c00a42153
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3 changed files with 460 additions and 2 deletions
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</aside>
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<!-- Document Viewer -->
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<main class="flex-1">
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<div id="document-viewer"></div>
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<main class="flex-1 flex">
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<div class="flex-1 p-8">
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<div id="document-viewer" class="prose max-w-none"></div>
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</div>
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<!-- Table of Contents (Sticky) -->
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<aside class="hidden lg:block w-64 bg-white border-l border-gray-200 p-6 sticky top-16 h-screen overflow-y-auto">
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<div id="table-of-contents">
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<!-- Will be populated by toc.js -->
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</div>
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</aside>
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</main>
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</div>
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@ -60,6 +69,8 @@
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<script src="/js/utils/api.js?v=0.1.0.1760254958072"></script>
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<script src="/js/utils/router.js?v=0.1.0.1760254958072"></script>
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<script src="/js/components/document-viewer.js?v=0.1.0.1760254958072"></script>
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<script src="/js/components/code-copy-button.js"></script>
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<script src="/js/components/toc.js"></script>
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<script src="/js/docs-viewer-app.js?v=0.1.0.1760254958072"></script>
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</body>
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179
public/js/components/code-copy-button.js
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179
public/js/components/code-copy-button.js
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/**
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* Code Copy Button Component
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* Tractatus Framework - Phase 3: Interactive Documentation
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*
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* Adds "Copy" buttons to all code blocks for easy copying
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* Shows success feedback on copy
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*/
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class CodeCopyButtons {
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constructor() {
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this.buttonClass = 'code-copy-btn';
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this.successClass = 'code-copy-success';
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this.init();
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}
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init() {
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// Wait for DOM to be ready
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', () => this.addCopyButtons());
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} else {
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this.addCopyButtons();
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}
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console.log('[CodeCopyButtons] Initialized');
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}
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addCopyButtons() {
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// Find all code blocks (pre elements)
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const codeBlocks = document.querySelectorAll('pre');
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console.log(`[CodeCopyButtons] Found ${codeBlocks.length} code blocks`);
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codeBlocks.forEach((pre, index) => {
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// Skip if already has a copy button
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if (pre.querySelector(`.${this.buttonClass}`)) {
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return;
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}
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// Make pre relative positioned for absolute button
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pre.style.position = 'relative';
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// Create copy button
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const button = this.createCopyButton(pre, index);
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// Add button to pre element
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pre.appendChild(button);
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});
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}
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createCopyButton(pre, index) {
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const button = document.createElement('button');
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button.className = `${this.buttonClass} absolute top-2 right-2 px-3 py-1 text-xs font-medium rounded transition-all duration-200`;
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button.style.cssText = `
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background: rgba(255, 255, 255, 0.1);
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color: #e5e7eb;
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border: 1px solid rgba(255, 255, 255, 0.2);
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`;
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button.textContent = 'Copy';
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button.setAttribute('aria-label', 'Copy code to clipboard');
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button.setAttribute('data-code-index', index);
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// Add hover styles via class
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button.addEventListener('mouseenter', () => {
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button.style.background = 'rgba(255, 255, 255, 0.2)';
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});
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button.addEventListener('mouseleave', () => {
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if (!button.classList.contains(this.successClass)) {
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button.style.background = 'rgba(255, 255, 255, 0.1)';
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}
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});
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// Add click handler
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button.addEventListener('click', (e) => {
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e.preventDefault();
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e.stopPropagation();
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this.copyCode(pre, button);
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});
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return button;
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}
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async copyCode(pre, button) {
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// Get code content (find code element inside pre)
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const codeElement = pre.querySelector('code');
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const code = codeElement ? codeElement.textContent : pre.textContent;
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try {
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// Use Clipboard API
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await navigator.clipboard.writeText(code);
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// Show success feedback
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this.showSuccess(button);
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console.log('[CodeCopyButtons] Code copied to clipboard');
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} catch (err) {
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console.error('[CodeCopyButtons] Failed to copy code:', err);
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// Fallback: try using execCommand
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this.fallbackCopy(code, button);
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}
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}
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fallbackCopy(text, button) {
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// Create temporary textarea
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const textarea = document.createElement('textarea');
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textarea.value = text;
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textarea.style.position = 'fixed';
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textarea.style.opacity = '0';
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document.body.appendChild(textarea);
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try {
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textarea.select();
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const successful = document.execCommand('copy');
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if (successful) {
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this.showSuccess(button);
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console.log('[CodeCopyButtons] Code copied using fallback method');
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} else {
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this.showError(button);
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}
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} catch (err) {
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console.error('[CodeCopyButtons] Fallback copy failed:', err);
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this.showError(button);
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} finally {
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document.body.removeChild(textarea);
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}
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}
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showSuccess(button) {
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button.classList.add(this.successClass);
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button.textContent = '✓ Copied!';
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button.style.background = 'rgba(16, 185, 129, 0.3)'; // Green
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button.style.borderColor = 'rgba(16, 185, 129, 0.5)';
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button.style.color = '#d1fae5';
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// Reset after 2 seconds
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setTimeout(() => {
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button.classList.remove(this.successClass);
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button.textContent = 'Copy';
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button.style.background = 'rgba(255, 255, 255, 0.1)';
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button.style.borderColor = 'rgba(255, 255, 255, 0.2)';
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button.style.color = '#e5e7eb';
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}, 2000);
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}
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showError(button) {
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button.textContent = '✗ Failed';
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button.style.background = 'rgba(239, 68, 68, 0.3)'; // Red
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button.style.borderColor = 'rgba(239, 68, 68, 0.5)';
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// Reset after 2 seconds
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setTimeout(() => {
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button.textContent = 'Copy';
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button.style.background = 'rgba(255, 255, 255, 0.1)';
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button.style.borderColor = 'rgba(255, 255, 255, 0.2)';
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}, 2000);
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}
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// Public method to refresh buttons (useful for dynamically loaded content)
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refresh() {
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this.addCopyButtons();
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}
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}
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// Auto-initialize when script loads
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if (typeof window !== 'undefined') {
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window.codeCopyButtons = new CodeCopyButtons();
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// Listen for custom event from document viewer for dynamic content
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document.addEventListener('documentLoaded', () => {
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console.log('[CodeCopyButtons] Document loaded, refreshing buttons');
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window.codeCopyButtons.refresh();
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});
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}
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// Export for module usage
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if (typeof module !== 'undefined' && module.exports) {
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module.exports = CodeCopyButtons;
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}
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268
public/js/components/toc.js
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268
public/js/components/toc.js
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/**
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* Table of Contents Component
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* Tractatus Framework - Phase 3: Interactive Documentation
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*
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* Creates sticky TOC sidebar on desktop, collapsible on mobile
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* Highlights current section on scroll
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* Smooth scroll to sections
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*/
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class TableOfContents {
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constructor(options = {}) {
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this.contentSelector = options.contentSelector || '#document-viewer';
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this.tocSelector = options.tocSelector || '#table-of-contents';
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this.headingSelector = options.headingSelector || 'h1, h2, h3';
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this.activeClass = 'toc-active';
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this.collapsedClass = 'toc-collapsed';
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this.headings = [];
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this.tocLinks = [];
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this.currentActiveIndex = -1;
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this.init();
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}
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init() {
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// Wait for DOM to be ready
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', () => this.build());
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} else {
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this.build();
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}
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console.log('[TOC] Initialized');
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}
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build() {
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const tocContainer = document.querySelector(this.tocSelector);
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if (!tocContainer) {
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console.warn('[TOC] TOC container not found:', this.tocSelector);
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return;
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}
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const content = document.querySelector(this.contentSelector);
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if (!content) {
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console.warn('[TOC] Content container not found:', this.contentSelector);
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return;
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}
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// Find all headings in content
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this.headings = Array.from(content.querySelectorAll(this.headingSelector));
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if (this.headings.length === 0) {
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console.log('[TOC] No headings found, hiding TOC');
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tocContainer.style.display = 'none';
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return;
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}
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console.log(`[TOC] Found ${this.headings.length} headings`);
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// Generate IDs for headings if they don't have them
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this.headings.forEach((heading, index) => {
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if (!heading.id) {
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heading.id = `toc-heading-${index}`;
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}
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});
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// Build TOC HTML
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const tocHTML = this.buildTOCHTML();
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tocContainer.innerHTML = tocHTML;
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// Store TOC links
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this.tocLinks = Array.from(tocContainer.querySelectorAll('a'));
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// Add scroll spy
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this.initScrollSpy();
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// Add smooth scroll
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this.initSmoothScroll();
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// Add mobile toggle functionality
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this.initMobileToggle();
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}
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buildTOCHTML() {
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let html = '<nav class="toc-nav" aria-label="Table of Contents">';
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html += '<div class="toc-header flex items-center justify-between mb-4 md:mb-6">';
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html += '<h2 class="text-sm font-semibold text-gray-900 uppercase">On This Page</h2>';
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html += '<button id="toc-toggle" class="md:hidden p-2 text-gray-600 hover:text-gray-900" aria-label="Toggle table of contents">';
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html += '<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">';
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html += '<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/>';
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html += '</svg>';
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html += '</button>';
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html += '</div>';
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html += '<ul class="toc-list space-y-2" id="toc-list">';
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this.headings.forEach((heading) => {
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const level = parseInt(heading.tagName.substring(1)); // h1 -> 1, h2 -> 2, etc.
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const text = heading.textContent.trim();
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const id = heading.id;
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// Different indentation for different levels
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const indent = level === 1 ? '' : level === 2 ? 'ml-3' : 'ml-6';
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const fontSize = level === 1 ? 'text-sm' : level === 2 ? 'text-sm' : 'text-xs';
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const fontWeight = level === 1 ? 'font-semibold' : level === 2 ? 'font-medium' : 'font-normal';
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html += `<li class="${indent}">`;
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html += `<a href="#${id}" class="toc-link block py-1 ${fontSize} ${fontWeight} text-gray-700 hover:text-blue-600 transition-colors border-l-2 border-transparent hover:border-blue-600 pl-2" data-target="${id}">`;
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html += text;
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html += '</a>';
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html += '</li>';
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});
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html += '</ul>';
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html += '</nav>';
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return html;
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}
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initScrollSpy() {
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// Use Intersection Observer for better performance
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const observerOptions = {
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rootMargin: '-20% 0px -35% 0px',
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threshold: 0
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};
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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const id = entry.target.id;
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this.setActiveLink(id);
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}
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});
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}, observerOptions);
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// Observe all headings
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this.headings.forEach(heading => {
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observer.observe(heading);
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});
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console.log('[TOC] Scroll spy initialized');
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}
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setActiveLink(targetId) {
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// Remove active class from all links
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this.tocLinks.forEach(link => {
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link.classList.remove(this.activeClass);
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link.classList.remove('border-blue-600', 'text-blue-600', 'font-semibold');
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link.classList.add('border-transparent', 'text-gray-700');
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});
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// Add active class to current link
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const activeLink = this.tocLinks.find(link => link.dataset.target === targetId);
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if (activeLink) {
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activeLink.classList.add(this.activeClass);
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activeLink.classList.remove('border-transparent', 'text-gray-700');
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activeLink.classList.add('border-blue-600', 'text-blue-600', 'font-semibold');
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}
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}
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initSmoothScroll() {
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this.tocLinks.forEach(link => {
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link.addEventListener('click', (e) => {
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e.preventDefault();
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const targetId = link.dataset.target;
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const targetElement = document.getElementById(targetId);
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if (targetElement) {
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// Smooth scroll to target
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targetElement.scrollIntoView({
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behavior: 'smooth',
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block: 'start'
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});
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// Update URL hash without jumping
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if (history.pushState) {
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history.pushState(null, null, `#${targetId}`);
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} else {
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window.location.hash = targetId;
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}
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// On mobile, collapse TOC after clicking
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if (window.innerWidth < 768) {
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this.collapseTOC();
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}
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}
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});
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});
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console.log('[TOC] Smooth scroll initialized');
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}
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initMobileToggle() {
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const toggleButton = document.getElementById('toc-toggle');
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const tocList = document.getElementById('toc-list');
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if (!toggleButton || !tocList) return;
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toggleButton.addEventListener('click', () => {
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const isCollapsed = tocList.classList.contains('hidden');
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if (isCollapsed) {
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this.expandTOC();
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} else {
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this.collapseTOC();
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}
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});
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// Start collapsed on mobile
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if (window.innerWidth < 768) {
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this.collapseTOC();
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}
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console.log('[TOC] Mobile toggle initialized');
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}
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collapseTOC() {
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const tocList = document.getElementById('toc-list');
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const toggleButton = document.getElementById('toc-toggle');
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if (tocList) {
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tocList.classList.add('hidden');
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}
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if (toggleButton) {
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const svg = toggleButton.querySelector('svg');
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if (svg) {
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svg.style.transform = 'rotate(0deg)';
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}
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}
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}
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expandTOC() {
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const tocList = document.getElementById('toc-list');
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const toggleButton = document.getElementById('toc-toggle');
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if (tocList) {
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tocList.classList.remove('hidden');
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}
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if (toggleButton) {
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const svg = toggleButton.querySelector('svg');
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if (svg) {
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svg.style.transform = 'rotate(180deg)';
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}
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}
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}
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// Public method to rebuild TOC (useful for dynamically loaded content)
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rebuild() {
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this.build();
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}
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}
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|
||||
// Auto-initialize when script loads (if TOC container exists)
|
||||
if (typeof window !== 'undefined') {
|
||||
window.tocInstance = new TableOfContents();
|
||||
|
||||
// Listen for custom event from document viewer for dynamic content
|
||||
document.addEventListener('documentLoaded', () => {
|
||||
console.log('[TOC] Document loaded, rebuilding TOC');
|
||||
window.tocInstance.rebuild();
|
||||
});
|
||||
}
|
||||
|
||||
// Export for module usage
|
||||
if (typeof module !== 'undefined' && module.exports) {
|
||||
module.exports = TableOfContents;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue