import { allNodeData, archiveProgramIds, formatMetrics, renderMetricBar, getHighlightNodes, selectedProgramId, setSelectedProgramId } from './main.js'; import { scrollAndSelectNodeById } from './graph.js'; const sidebar = document.getElementById('sidebar'); // Add a draggable resizer to let users change the sidebar width. // Creates a slim handle at the left edge of the sidebar and uses pointer events // to resize. The chosen width is persisted to localStorage under `sidebarWidth`. (function enableSidebarResizer() { if (!sidebar) return; try { const STORAGE_KEY = 'sidebarWidth'; const DEFAULT_WIDTH_PX = 360; const MIN_WIDTH_PX = 200; const MAX_WIDTH_PX = Math.max(window.innerWidth - 100, 400); // Restore saved width (if any) const saved = localStorage.getItem(STORAGE_KEY); if (saved) { sidebar.style.width = saved; } else if (!sidebar.style.width) { sidebar.style.width = DEFAULT_WIDTH_PX + 'px'; } // Do not override sidebar positioning from CSS; assume #sidebar styles control placement // Create resizer element (left edge) const resizer = document.createElement('div'); resizer.id = 'sidebar-resizer'; resizer.setAttribute('role', 'separator'); resizer.setAttribute('aria-orientation', 'vertical'); resizer.setAttribute('tabindex', '0'); // Make the hit area a bit larger and use flex to center an inner visible handle Object.assign(resizer.style, { position: 'fixed', left: '0px', // will be calculated top: '0px', width: '14px', cursor: 'col-resize', zIndex: '9999', display: 'flex', alignItems: 'center', justifyContent: 'center', background: 'transparent', transition: 'background 120ms', // disable pointerEvents by default so expanding sidebar doesn't immediately capture the mouse pointerEvents: 'none', }); // Visible inner handle const handle = document.createElement('div'); handle.id = 'sidebar-resizer-handle'; handle.setAttribute('aria-hidden', 'true'); Object.assign(handle.style, { width: '6px', height: '40px', borderRadius: '6px', // Use a subtle two-tone gradient and light border so it stands out in dark and light themes background: 'linear-gradient(180deg, rgba(255,255,255,0.9), rgba(200,200,200,0.6))', border: '1px solid rgba(0,0,0,0.12)', boxShadow: '0 1px 4px rgba(0,0,0,0.15)', transition: 'background 120ms, transform 120ms, box-shadow 120ms', }); resizer.appendChild(handle); resizer.title = 'Drag to resize sidebar'; // Hover/focus effects to make it obvious function _resizerHoverOn() { resizer.style.background = 'rgba(0,0,0,0.04)'; handle.style.transform = 'scale(1.06)'; handle.style.boxShadow = '0 2px 6px rgba(0,0,0,0.2)'; } function _resizerHoverOff() { resizer.style.background = 'transparent'; handle.style.transform = 'scale(1)'; handle.style.boxShadow = '0 1px 4px rgba(0,0,0,0.15)'; } resizer.addEventListener('pointerenter', _resizerHoverOn); resizer.addEventListener('pointerleave', _resizerHoverOff); resizer.addEventListener('focus', _resizerHoverOn); resizer.addEventListener('blur', _resizerHoverOff); // Insert the resizer as first child so it sits on the left edge // if (sidebar.firstChild) sidebar.insertBefore(resizer, sidebar.firstChild); // else sidebar.appendChild(resizer); // Append to body so it's not clipped by sidebar scrolling/overflow document.body.appendChild(resizer); // Position update function to align the fixed resizer with the sidebar left edge function updateResizerPosition() { const rect = sidebar.getBoundingClientRect(); if (!rect || !isFinite(rect.left) || rect.width === 0) return; // Consider sidebar hidden if its left edge is at or past the right viewport edge const viewportRight = window.innerWidth || document.documentElement.clientWidth; const isOffscreen = rect.left >= (viewportRight - 8); if (isOffscreen || getComputedStyle(sidebar).display === 'none') { resizer.style.display = 'none'; return; } // Ensure resizer is shown and aligned with the left edge of the sidebar resizer.style.display = 'flex'; const left = Math.round(rect.left - 7); resizer.style.left = left + 'px'; resizer.style.top = Math.round(rect.top) + 'px'; resizer.style.height = Math.max(40, Math.round(rect.height)) + 'px'; } // Initial position updateResizerPosition(); // Keep in sync on resize and mutation of sidebar attributes window.addEventListener('resize', updateResizerPosition); const mo = new MutationObserver(updateResizerPosition); mo.observe(sidebar, { attributes: true, attributeFilter: ['style', 'class'] }); // Continuous updating while sidebar transitions or when mouse moves near the edge let rafId = null; function rafLoop() { updateResizerPosition(); rafId = requestAnimationFrame(rafLoop); } function startContinuousUpdate() { if (!rafId) rafLoop(); } function stopContinuousUpdate() { if (rafId) { cancelAnimationFrame(rafId); rafId = null; } } // If the sidebar has a CSS transition on transform, run rAF during it to keep alignment sidebar.addEventListener('transitionstart', startContinuousUpdate); sidebar.addEventListener('transitionend', function() { updateResizerPosition(); stopContinuousUpdate(); }); sidebar.addEventListener('transitioncancel', function() { updateResizerPosition(); stopContinuousUpdate(); }); // Track last mouse position and proximity-based enabling of pointer events // to avoid the sidebar itself stealing the pointer when it expands under the cursor. const PROXIMITY_PX = 28; let mousePending = false; let lastMouseX = null; let lastMouseY = null; function checkPointerProximity(clientX, clientY) { if (!resizer || resizer.style.display === 'none') return; const r = resizer.getBoundingClientRect(); if (!r || r.width === 0) return; // Compute distance to the resizer vertical centerline const dx = Math.max(r.left - clientX, clientX - (r.left + r.width)); const dy = Math.max(r.top - clientY, clientY - (r.top + r.height)); const within = (dx <= PROXIMITY_PX && dy <= PROXIMITY_PX) || (clientX >= r.left && clientX <= r.left + r.width && clientY >= r.top && clientY <= r.top + r.height); if (within) { if (resizer.style.pointerEvents !== 'auto') { resizer.style.pointerEvents = 'auto'; resizer.classList.add('resizer-proximate'); } } else { if (resizer.style.pointerEvents !== 'none' && !isResizing) { resizer.style.pointerEvents = 'none'; resizer.classList.remove('resizer-proximate'); } } // Also control the sidebar's pointer events: only enable when within proximity, when resizing, or when sidebar is sticky try { const srect = sidebar.getBoundingClientRect(); const viewportRight = window.innerWidth || document.documentElement.clientWidth; const isOffscreen = srect.left >= (viewportRight - 8); if (isOffscreen || getComputedStyle(sidebar).display === 'none') { sidebar.style.pointerEvents = 'none'; } else if (within || isResizing || sidebarSticky) { sidebar.style.pointerEvents = 'auto'; } else { // keep the sidebar unclickable unless cursor is near it sidebar.style.pointerEvents = 'none'; } } catch (err) { // ignore } } document.addEventListener('mousemove', function (e) { lastMouseX = e.clientX; lastMouseY = e.clientY; if (!mousePending) { mousePending = true; requestAnimationFrame(function () { updateResizerPosition(); checkPointerProximity(lastMouseX, lastMouseY); mousePending = false; }); } }); let isResizing = false; let startX = 0; let startWidth = 0; function clampWidth(w) { const max = Math.min(MAX_WIDTH_PX, Math.floor(window.innerWidth - 100)); return Math.max(MIN_WIDTH_PX, Math.min(w, max)); } function onPointerMove(e) { if (!isResizing) return; const dx = e.clientX - startX; // positive when moving right // Since the resizer is on the left edge of a right-aligned sidebar, // moving pointer to the right should make the sidebar narrower. // Compute new width as startWidth - dx. let newWidth = Math.round(startWidth - dx); newWidth = clampWidth(newWidth); sidebar.style.width = newWidth + 'px'; } function onPointerUp(e) { if (!isResizing) return; isResizing = false; document.body.style.cursor = ''; document.body.style.userSelect = ''; try { localStorage.setItem(STORAGE_KEY, sidebar.style.width); } catch (err) { /* ignore */ } // Remove global listeners document.removeEventListener('pointermove', onPointerMove); document.removeEventListener('pointerup', onPointerUp); } resizer.addEventListener('pointerdown', (e) => { e.preventDefault(); isResizing = true; startX = e.clientX; startWidth = parseInt(window.getComputedStyle(sidebar).width, 10) || DEFAULT_WIDTH_PX; document.body.style.cursor = 'col-resize'; document.body.style.userSelect = 'none'; document.addEventListener('pointermove', onPointerMove); document.addEventListener('pointerup', onPointerUp); // attempt to capture pointer so touch works well try { e.target.setPointerCapture && e.target.setPointerCapture(e.pointerId); } catch (err) { } // Update resizer position during drag (useful when width changes) updateResizerPosition(); }); // Keyboard accessibility: left/right arrows adjust width resizer.addEventListener('keydown', (e) => { const step = 20; let cur = parseInt(window.getComputedStyle(sidebar).width, 10) || DEFAULT_WIDTH_PX; if (e.key === 'ArrowLeft') { cur = clampWidth(cur - step); sidebar.style.width = cur + 'px'; try { localStorage.setItem(STORAGE_KEY, sidebar.style.width); } catch (err) {} e.preventDefault(); } else if (e.key === 'ArrowRight') { cur = clampWidth(cur + step); sidebar.style.width = cur + 'px'; try { localStorage.setItem(STORAGE_KEY, sidebar.style.width); } catch (err) {} e.preventDefault(); } else if (e.key === 'Home') { sidebar.style.width = DEFAULT_WIDTH_PX + 'px'; try { localStorage.setItem(STORAGE_KEY, sidebar.style.width); } catch (err) {} e.preventDefault(); } }); // Make sure the stored max width updates on window resize window.addEventListener('resize', () => { const cur = parseInt(window.getComputedStyle(sidebar).width, 10) || DEFAULT_WIDTH_PX; const clamped = clampWidth(cur); if (clamped !== cur) { sidebar.style.width = clamped + 'px'; try { localStorage.setItem(STORAGE_KEY, sidebar.style.width); } catch (err) {} } updateResizerPosition(); }); // When sidebar is shown/hidden via showSidebar/hideSidebar functions, keep resizer sync const showHideObserver = new MutationObserver(updateResizerPosition); showHideObserver.observe(sidebar, { attributes: true, attributeFilter: ['style', 'class'] }); } catch (err) { // don't crash the rest of the sidebar code if resizing support fails console.warn('sidebar resizer init failed', err); } })(); export let sidebarSticky = false; let lastSidebarTab = null; export function showSidebar() { sidebar.style.transform = 'translateX(0)'; // When explicitly shown, enable pointer events so controls are interactive try { sidebar.style.pointerEvents = 'auto'; } catch (e) {} } export function hideSidebar() { sidebar.style.transform = 'translateX(100%)'; sidebarSticky = false; try { sidebar.style.pointerEvents = 'none'; } catch (e) {} } export function showSidebarContent(d, fromHover = false) { const sidebarContent = document.getElementById('sidebar-content'); if (!sidebarContent) return; if (fromHover && sidebarSticky) return; if (!d) { sidebarContent.innerHTML = ''; return; } let starHtml = ''; if (archiveProgramIds && archiveProgramIds.includes(d.id)) { starHtml = '★'; } let locatorBtn = ''; let closeBtn = ''; let openLink = '
[open in new window]
'; let tabHtml = ''; let tabContentHtml = ''; let tabNames = []; if (d.code && typeof d.code === 'string' && d.code.trim() !== '') tabNames.push('Code'); if ((d.prompts && typeof d.prompts === 'object' && Object.keys(d.prompts).length > 0) || (d.artifacts_json && typeof d.artifacts_json === 'object' && Object.keys(d.artifacts_json).length > 0)) tabNames.push('Prompts'); const children = allNodeData.filter(n => n.parent_id === d.id); if (children.length > 0) tabNames.push('Children'); // Handle nodes with "-copyN" IDs function getBaseId(id) { return id.includes('-copy') ? id.split('-copy')[0] : id; } const baseId = getBaseId(d.id); const clones = allNodeData.filter(n => getBaseId(n.id) === baseId && n.id !== d.id); if (clones.length > 0) tabNames.push('Clones'); // Add a Diff tab when a parent exists with code to compare against const parentNodeForDiff = d.parent_id && d.parent_id !== 'None' ? allNodeData.find(n => n.id == d.parent_id) : null; if (parentNodeForDiff && parentNodeForDiff.code && parentNodeForDiff.code.trim() !== '') { tabNames.push('Diff'); } let activeTab = lastSidebarTab && tabNames.includes(lastSidebarTab) ? lastSidebarTab : tabNames[0]; // Helper to render tab content // Simple line-level LCS diff renderer between two code strings function renderCodeDiff(aCode, bCode) { const a = (aCode || '').split('\n'); const b = (bCode || '').split('\n'); const m = a.length, n = b.length; // build LCS table const dp = Array.from({length: m+1}, () => new Array(n+1).fill(0)); for (let ii = m-1; ii >= 0; --ii) { for (let jj = n-1; jj >= 0; --jj) { if (a[ii] === b[jj]) dp[ii][jj] = dp[ii+1][jj+1] + 1; else dp[ii][jj] = Math.max(dp[ii+1][jj], dp[ii][jj+1]); } } // backtrack let i = 0, j = 0; const parts = []; while (i < m && j < n) { if (a[i] === b[j]) { parts.push({type: 'eq', line: a[i]}); i++; j++; } else if (dp[i+1][j] >= dp[i][j+1]) { parts.push({type: 'del', line: a[i]}); i++; } else { parts.push({type: 'ins', line: b[j]}); j++; } } while (i < m) { parts.push({type: 'del', line: a[i++]}); } while (j < n) { parts.push({type: 'ins', line: b[j++]}); } // Render HTML with inline styles const htmlLines = parts.map(function(p) { if (p.type === 'eq') return '
' + escapeHtml(p.line) + '
'; if (p.type === 'del') return '
- ' + escapeHtml(p.line) + '
'; return '
+ ' + escapeHtml(p.line) + '
'; }); return '
' + '
Showing diff between program and its parent (parent id: ' + (parentNodeForDiff ? parentNodeForDiff.id : 'N/A') + ')
' + htmlLines.join('') + '
'; } // small helper to escape HTML function escapeHtml(s) { return (s+'').replace(/&/g,'&').replace(//g,'>'); } function renderSidebarTabContent(tabName, d, children) { if (tabName === 'Code') { return `
${escapeHtml(d.code)}
`; } if (tabName === 'Prompts') { // Prompt select logic let promptOptions = []; let promptMap = {}; if (d.prompts && typeof d.prompts === 'object') { for (const [k, v] of Object.entries(d.prompts)) { if (v && typeof v === 'object' && !Array.isArray(v)) { for (const [subKey, subVal] of Object.entries(v)) { const optLabel = `${k} - ${subKey}`; promptOptions.push(optLabel); promptMap[optLabel] = subVal; } } else { const optLabel = `${k}`; promptOptions.push(optLabel); promptMap[optLabel] = v; } } } // Artifacts if (d.artifacts_json) { const optLabel = `artifacts`; promptOptions.push(optLabel); promptMap[optLabel] = d.artifacts_json; } // Get last selected prompt from localStorage, or default to first let lastPromptKey = localStorage.getItem('sidebarPromptSelect') || promptOptions[0] || ''; if (!promptMap[lastPromptKey]) lastPromptKey = promptOptions[0] || ''; // Build select box let selectHtml = ''; if (promptOptions.length > 1) { selectHtml = ``; } // Show only the selected prompt let promptVal = promptMap[lastPromptKey]; // Handle unicode escape for artifacts JSON display if (lastPromptKey === 'artifacts' && typeof promptVal === 'string') { try { // Parse and stringify to properly escape unicode const parsed = JSON.parse(promptVal); promptVal = JSON.stringify(parsed, null, 2); } catch (e) { // If parsing fails, use original value console.warn('Failed to parse artifacts JSON for unicode escape:', e); } } let promptHtml = `
${promptVal ?? ''}
`; return selectHtml + promptHtml; } if (tabName === 'Children') { const metric = (document.getElementById('metric-select') && document.getElementById('metric-select').value) || 'combined_score'; let min = 0, max = 1; const vals = children.map(child => (child.metrics && typeof child.metrics[metric] === 'number') ? child.metrics[metric] : null).filter(x => x !== null); if (vals.length > 0) { min = Math.min(...vals); max = Math.max(...vals); } return `
`; } if (tabName === 'Clones') { return `
`; } if (tabName === 'Diff') { const parentNode = parentNodeForDiff; const parentCode = parentNode ? parentNode.code || '' : ''; const curCode = d.code || ''; return renderCodeDiff(parentCode, curCode); } return ''; } if (tabNames.length > 0) { tabHtml = ''; tabContentHtml = `
${renderSidebarTabContent(activeTab, d, children)}
`; } let parentIslandHtml = ''; if (d.parent_id && d.parent_id !== 'None') { const parent = allNodeData.find(n => n.id == d.parent_id); if (parent && parent.island !== undefined) { parentIslandHtml = ` (island ${parent.island})`; } } sidebarContent.innerHTML = `
${starHtml} ${locatorBtn} ${closeBtn} ${openLink} Program ID: ${d.id}
Island: ${d.island}
Generation: ${d.generation}
Parent ID: ${d.parent_id || 'None'}${parentIslandHtml}

Metrics:
${formatMetrics(d.metrics)}

${tabHtml}${tabContentHtml}
`; // Helper to attach prompt select handler function attachPromptSelectHandler() { const promptSelect = document.getElementById('sidebar-prompt-select'); if (promptSelect) { promptSelect.onchange = function() { localStorage.setItem('sidebarPromptSelect', promptSelect.value); // Only re-render the Prompts tab, not the whole sidebar const tabContent = document.getElementById('sidebar-tab-content'); if (tabContent) { tabContent.innerHTML = renderSidebarTabContent('Prompts', d, children); attachPromptSelectHandler(); } }; } } attachPromptSelectHandler(); if (tabNames.length > 1) { const tabBar = document.getElementById('sidebar-tab-bar'); Array.from(tabBar.children).forEach(tabEl => { tabEl.onclick = function() { Array.from(tabBar.children).forEach(e => e.classList.remove('active')); tabEl.classList.add('active'); const tabName = tabEl.dataset.tab; lastSidebarTab = tabName; const tabContent = document.getElementById('sidebar-tab-content'); tabContent.innerHTML = renderSidebarTabContent(tabName, d, children); if (tabName === 'Prompts') { attachPromptSelectHandler(); } setTimeout(() => { document.querySelectorAll('.child-link').forEach(link => { link.onclick = function(e) { e.preventDefault(); const childNode = allNodeData.find(n => n.id == link.dataset.child); if (childNode) { window._lastSelectedNodeData = childNode; const perfTabBtn = document.getElementById('tab-performance'); const perfTabView = document.getElementById('view-performance'); if ((perfTabBtn && perfTabBtn.classList.contains('active')) || (perfTabView && perfTabView.classList.contains('active'))) { import('./performance.js').then(mod => { mod.selectPerformanceNodeById(childNode.id); showSidebar(); }); } else { scrollAndSelectNodeById(childNode.id); } } }; }); document.querySelectorAll('.clone-link').forEach(link => { link.onclick = function(e) { e.preventDefault(); const cloneNode = allNodeData.find(n => n.id == link.dataset.clone); if (cloneNode) { window._lastSelectedNodeData = cloneNode; const perfTabBtn = document.getElementById('tab-performance'); const perfTabView = document.getElementById('view-performance'); if ((perfTabBtn && perfTabBtn.classList.contains('active')) || (perfTabView && perfTabView.classList.contains('active'))) { import('./performance.js').then(mod => { mod.selectPerformanceNodeById(cloneNode.id); showSidebar(); }); } else { scrollAndSelectNodeById(cloneNode.id); } } }; }); }, 0); }; }); } setTimeout(() => { attachPromptSelectHandler(); document.querySelectorAll('.child-link').forEach(link => { link.onclick = function(e) { e.preventDefault(); const childNode = allNodeData.find(n => n.id == link.dataset.child); if (childNode) { window._lastSelectedNodeData = childNode; // Check if performance tab is active const perfTabBtn = document.getElementById('tab-performance'); const perfTabView = document.getElementById('view-performance'); if ((perfTabBtn && perfTabBtn.classList.contains('active')) || (perfTabView && perfTabView.classList.contains('active'))) { import('./performance.js').then(mod => { mod.selectPerformanceNodeById(childNode.id); showSidebar(); }); } else { scrollAndSelectNodeById(childNode.id); } } }; }); document.querySelectorAll('.clone-link').forEach(link => { link.onclick = function(e) { e.preventDefault(); const cloneNode = allNodeData.find(n => n.id == link.dataset.clone); if (cloneNode) { window._lastSelectedNodeData = cloneNode; const perfTabBtn = document.getElementById('tab-performance'); const perfTabView = document.getElementById('view-performance'); if ((perfTabBtn && perfTabBtn.classList.contains('active')) || (perfTabView && perfTabView.classList.contains('active'))) { import('./performance.js').then(mod => { mod.selectPerformanceNodeById(cloneNode.id); showSidebar(); }); } else { scrollAndSelectNodeById(cloneNode.id); } } }; }); }, 0); const closeBtnEl = document.getElementById('sidebar-close-btn'); if (closeBtnEl) closeBtnEl.onclick = function() { setSelectedProgramId(null); sidebarSticky = false; hideSidebar(); }; // Locator button logic const locatorBtnEl = document.getElementById('sidebar-locator-btn'); if (locatorBtnEl) { locatorBtnEl.onclick = function(e) { e.preventDefault(); // Use view display property for active view detection const viewBranching = document.getElementById('view-branching'); const viewPerformance = document.getElementById('view-performance'); const viewList = document.getElementById('view-list'); if (viewBranching && viewBranching.style.display !== 'none') { import('./graph.js').then(mod => { mod.centerAndHighlightNodeInGraph(d.id); }); } else if (viewPerformance && viewPerformance.style.display !== 'none') { import('./performance.js').then(mod => { mod.centerAndHighlightNodeInPerformanceGraph(d.id); }); } else if (viewList && viewList.style.display !== 'none') { // Scroll to list item const container = document.getElementById('node-list-container'); if (container) { const rows = Array.from(container.children); const target = rows.find(div => div.getAttribute('data-node-id') === d.id); if (target) { target.scrollIntoView({behavior: 'smooth', block: 'center'}); // Optionally add a yellow highlight effect target.classList.add('node-locator-highlight'); setTimeout(() => target.classList.remove('node-locator-highlight'), 1000); } } } }; } // Parent link logic const parentLink = sidebarContent.querySelector('.parent-link'); if (parentLink && parentLink.dataset.parent && parentLink.dataset.parent !== 'None' && parentLink.dataset.parent !== '') { parentLink.onclick = function(e) { e.preventDefault(); const parentNode = allNodeData.find(n => n.id == parentLink.dataset.parent); if (parentNode) { window._lastSelectedNodeData = parentNode; } const perfTabBtn = document.getElementById('tab-performance'); const perfTabView = document.getElementById('view-performance'); if ((perfTabBtn && perfTabBtn.classList.contains('active')) || (perfTabView && perfTabView.classList.contains('active'))) { import('./performance.js').then(mod => { mod.selectPerformanceNodeById(parentLink.dataset.parent); showSidebar(); }); } else { scrollAndSelectNodeById(parentLink.dataset.parent); } }; } } export function openInNewTab(event, d) { const url = `/program/${d.id}`; window.open(url, '_blank'); event.stopPropagation(); } export function setSidebarSticky(val) { sidebarSticky = val; try { sidebar.style.pointerEvents = val ? 'auto' : 'none'; } catch (e) {} } // Helper to escape HTML so code can be shown verbatim inside 
function escapeHtml(str) {
    if (str === undefined || str === null) return '';
    return String(str)
        .replace(/&/g, '&')
        .replace(//g, '>')
        .replace(/"/g, '"')
        .replace(/'/g, ''');
}