Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 | // Coherent.js Playground with Browser Runtime console.log('Loading Coherent.js playground functionality...'); // ================================ // COHERENT.JS BROWSER RUNTIME // ================================ // Global Coherent.js object for playground use window.Coherent = window.Coherent || {}; // Core rendering functions window.Coherent.renderToString = function(component) { return browserRenderToString(component); }; window.Coherent.renderToDOM = function(component, container) { return browserRenderToDOM(component, container); }; // Component composition utilities window.Coherent.component = function(name, fn) { window.Coherent.components = window.Coherent.components || {}; window.Coherent.components[name] = fn; return fn; }; window.Coherent.getComponent = function(name) { return window.Coherent.components && window.Coherent.components[name]; }; // State management (simplified for browser) window.Coherent.useState = function(initialValue) { let value = initialValue; const setValue = (newValue) => { value = typeof newValue === 'function' ? newValue(value) : newValue; // In a real implementation, this would trigger re-renders console.log('State updated:', value); return value; }; return [() => value, setValue]; }; // Effect hook (simplified) window.Coherent.useEffect = function(effect, dependencies) { // In a real implementation, this would handle side effects and cleanup console.log('Effect registered'); try { return effect(); } catch (error) { console.error('Effect error:', error); } }; // Utility functions window.Coherent.createElement = function(tag, props = {}, ...children) { const element = { [tag]: { ...props } }; if (children.length > 0) { element[tag].children = children.flat(); } return element; }; window.Coherent.Fragment = function({ children }) { return Array.isArray(children) ? children : [children]; }; // Global aliases for convenience window.renderToString = window.Coherent.renderToString; window.renderToDOM = window.Coherent.renderToDOM; window.component = window.Coherent.component; window.useState = window.Coherent.useState; window.useEffect = window.Coherent.useEffect; window.createElement = window.Coherent.createElement; console.log('Coherent.js browser runtime loaded - functions available globally'); // Safe component parser - converts JSON to Coherent.js components function parseComponentJSON(jsonString) { try { const parsed = JSON.parse(jsonString); return validateAndNormalizeComponent(parsed); } catch (error) { throw new Error(`Invalid JSON: ${error.message}`); } } function validateAndNormalizeComponent(obj) { if (obj === null || obj === undefined) { return null; } if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean') { return obj; } if (Array.isArray(obj)) { return obj.map(item => validateAndNormalizeComponent(item)); } if (typeof obj === 'object') { const result = {}; for (const [key, value] of Object.entries(obj)) { // Only allow safe HTML elements and properties if (isSafeElement(key) || isSafeProperty(key)) { result[key] = validateAndNormalizeComponent(value); } } return result; } return obj; } function isSafeElement(tagName) { const safeTags = [ 'div', 'span', 'p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ul', 'ol', 'li', 'em', 'strong', 'a', 'img', 'br', 'section', 'article', 'header', 'footer', 'nav', 'main', 'button', 'input', 'select', 'option', 'textarea', 'form', 'table', 'tr', 'td', 'th', 'thead', 'tbody', 'tfoot' ]; return safeTags.includes(tagName.toLowerCase()); } function isSafeProperty(propName) { const safeProps = [ 'text', 'children', 'style', 'className', 'class', 'id', 'href', 'src', 'alt', 'title', 'placeholder', 'value', 'type', 'name', 'for', 'colspan', 'rowspan' ]; return safeProps.includes(propName); } // HTML escaping utilities function escapeHtmlAttribute(value) { if (value == null) return ''; return String(value) .replace(/&/g, '&') .replace(/"/g, '"') .replace(/'/g, ''') .replace(/</g, '<') .replace(/>/g, '>'); } function escapeHtmlText(value) { if (value == null) return ''; return String(value) .replace(/&/g, '&') .replace(/</g, '<') .replace(/>/g, '>'); } // Simple browser-compatible renderToString function function browserRenderToString(component) { if (!component) return ''; if (typeof component === 'string') return escapeHtmlText(component); if (typeof component === 'number' || typeof component === 'boolean') return escapeHtmlText(String(component)); if (Array.isArray(component)) return component.map(browserRenderToString).join(''); if (typeof component === 'object') { const tagName = Object.keys(component)[0]; const props = component[tagName] || {}; if (typeof props === 'string') { return `<${tagName}>${escapeHtmlText(props)}</${tagName}>`; } let html = `<${tagName}`; // Add attributes Object.keys(props).forEach(key => { if (key !== 'children' && key !== 'text' && key !== 'html') { const value = props[key]; if (value != null) { html += ` ${key}="${escapeHtmlAttribute(value)}"`; } } }); html += '>'; // Add text content (escaped) if (props.text) { html += escapeHtmlText(props.text); } // Add raw HTML content (not escaped - use with caution) if (props.html) { html += props.html; } // Add children if (props.children) { if (Array.isArray(props.children)) { html += props.children.map(browserRenderToString).join(''); } else { html += browserRenderToString(props.children); } } html += `</${tagName}>`; return html; } return ''; } // Simple DOM renderer function browserRenderToDOM(component, container) { if (!container) { console.error('browserRenderToDOM: No container element provided'); return; } try { const html = browserRenderToString(component); console.log('Generated HTML for DOM:', html); container.innerHTML = html; } catch (error) { console.error('browserRenderToDOM: Error rendering component to DOM:', error); container.innerHTML = `<div style="color: red; padding: 16px; border: 1px solid red; border-radius: 4px;"> <strong>Rendering Error:</strong><br> ${escapeHtmlText(error.message)} </div>`; } } // Update run button based on content type function updateRunButton(isJavaScript = false) { const runBtn = document.getElementById('run-btn'); if (runBtn) { if (isJavaScript) { runBtn.textContent = 'đ Execute Code'; runBtn.title = 'Run JavaScript/Coherent.js code through playground API'; } else { runBtn.textContent = 'âļ Run Component'; runBtn.title = 'Render JSON component definition'; } } } // Function to run JavaScript code through the playground API async function runJavaScriptCode(code) { const outputEl = document.getElementById('output'); const previewEl = document.getElementById('preview'); const sourceEl = document.getElementById('source'); const setStatus = (message) => { if (outputEl) { outputEl.textContent = message; outputEl.className = 'output-status'; } }; const setError = (message) => { if (outputEl) { outputEl.textContent = `Error: ${message}`; outputEl.className = 'output-error'; } if (previewEl) previewEl.innerHTML = '<p style="color: #dc3545;">JavaScript execution failed. Check the error above.</p>'; if (sourceEl) sourceEl.textContent = ''; }; const setSuccess = (stdout, stderr) => { // Check if stdout contains HTML (detect <html> specifically) const isHTML = stdout && stdout.trim().startsWith('<html') && stdout.trim().includes('</html>'); console.log('JavaScript execution result analysis:', { stdout: stdout ? stdout.substring(0, 100) + '...' : '(no stdout)', isHTML: isHTML, startsWithHtml: stdout ? stdout.trim().startsWith('<html') : false, includesEndHtml: stdout ? stdout.trim().includes('</html>') : false }); if (outputEl) { outputEl.innerHTML = ` <strong>â JavaScript executed successfully!</strong><br> <span style="color: #28a745;">Code ran through Coherent.js playground API</span> `; outputEl.className = 'output-success'; } // Show output in preview - detect HTML and render it if (previewEl) { if (isHTML) { // Render HTML directly in the preview (Live Preview mode) previewEl.innerHTML = stdout.trim(); } else { // Show regular console output let output = ''; if (stdout) { // Regular console output output += `<div style="background: #f8f9fa; padding: 12px; border-radius: 6px; margin-bottom: 8px;"> <strong>đ Console Output:</strong><br> <pre style="margin: 4px 0; font-family: monospace; white-space: pre-wrap;">${escapeHtml(stdout)}</pre> </div>`; } if (stderr) { output += `<div style="background: #fff3cd; padding: 12px; border-radius: 6px; border: 1px solid #ffeaa7;"> <strong>â ī¸ Warnings/Errors:</strong><br> <pre style="margin: 4px 0; font-family: monospace; white-space: pre-wrap; color: #856404;">${escapeHtml(stderr)}</pre> </div>`; } if (!output) { output = '<p style="color: #6c757d; font-style: italic;">Code executed but produced no output.</p>'; } previewEl.innerHTML = output; } } // Show execution info in source panel if (sourceEl) { if (isHTML) { // For HTML output, show formatted HTML source sourceEl.textContent = stdout || '(no HTML output)'; } else { // For regular console output, show execution info sourceEl.textContent = `// JavaScript Code Execution Results // Executed via Coherent.js Playground API // // STDOUT: ${stdout || '(no output)'} // STDERR: ${stderr || '(no errors)'}`; } } }; try { setStatus('Executing JavaScript code...'); const response = await fetch('/__playground/run', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ runtime: 'node', code: code }) }); if (!response.ok) { throw new Error(`Server error: ${response.statusText}`); } const result = await response.json(); console.log('JavaScript execution result:', result); if (result.code !== 0) { setError(`Execution failed with exit code ${result.code}:\n${result.stderr || 'Unknown error'}`); } else { setSuccess(result.stdout, result.stderr); } } catch (error) { console.error('JavaScript execution error:', error); setError(error.message); } } function escapeHtml(text) { const div = document.createElement('div'); div.textContent = text; return div.innerHTML; } // Try to execute JavaScript code locally as Coherent.js component function tryLocalCoherentExecution(code) { const outputEl = document.getElementById('output'); const previewEl = document.getElementById('preview'); const sourceEl = document.getElementById('source'); try { // Check if this looks like a component or contains imports/requires if (code.includes('import ') || code.includes('require(') || code.includes('export ')) { // Contains imports/exports - can't execute locally return false; } // Set status if (outputEl) { outputEl.textContent = 'Executing JavaScript locally...'; outputEl.className = 'output-status'; } // Capture console output const originalLog = console.log; const originalError = console.error; const logs = []; console.log = (...args) => { logs.push({ type: 'log', args }); originalLog.apply(console, args); }; console.error = (...args) => { logs.push({ type: 'error', args }); originalError.apply(console, args); }; let result = null; let component = null; try { // Execute the code in a controlled scope with Coherent.js functions available const wrappedCode = ` (function() { ${code} }).call(window) `; result = eval(wrappedCode); // If result looks like a Coherent.js component, render it if (result && typeof result === 'object' && !Array.isArray(result)) { const firstKey = Object.keys(result)[0]; // Check if this looks like a Coherent.js component object if (firstKey && typeof firstKey === 'string' && result[firstKey] && (typeof result[firstKey] === 'object' || typeof result[firstKey] === 'string')) { component = result; } } } catch (evalError) { console.error('Local execution error:', evalError); return false; // Let server handle it } finally { // Restore console console.log = originalLog; console.error = originalError; } // Display results if (outputEl) { outputEl.innerHTML = ` <strong>â JavaScript executed locally!</strong><br> <span style="color: #28a745;">Executed in browser with Coherent.js runtime</span> `; outputEl.className = 'output-success'; } // Show component in preview if (component && previewEl) { try { browserRenderToDOM(component, previewEl); // Show generated HTML in source if (sourceEl) { const html = browserRenderToString(component); sourceEl.textContent = html; } } catch (renderError) { console.error('Component render error:', renderError); if (previewEl) { previewEl.innerHTML = `<div style="color: #dc3545; padding: 16px;"> <strong>Render Error:</strong><br> ${escapeHtmlText(renderError.message)} </div>`; } } } else { // Show console output if (previewEl) { let output = ''; if (logs.length > 0) { output += '<div style="background: #f8f9fa; padding: 12px; border-radius: 6px; margin-bottom: 8px;">'; output += '<strong>đ Console Output:</strong><br>'; output += '<pre style="margin: 4px 0; font-family: monospace; white-space: pre-wrap;">'; logs.forEach(log => { const text = log.args.map(arg => typeof arg === 'object' ? JSON.stringify(arg, null, 2) : String(arg) ).join(' '); output += `${log.type === 'error' ? 'â' : 'đ'} ${escapeHtmlText(text)}\n`; }); output += '</pre></div>'; } if (result !== null && result !== undefined) { output += '<div style="background: #e8f5e8; padding: 12px; border-radius: 6px;">'; output += '<strong>âŠī¸ Return Value:</strong><br>'; output += '<pre style="margin: 4px 0; font-family: monospace; white-space: pre-wrap;">'; output += escapeHtmlText(typeof result === 'object' ? JSON.stringify(result, null, 2) : String(result)); output += '</pre></div>'; } if (!output) { output = '<p style="color: #6c757d; font-style: italic;">Code executed successfully but produced no output.</p>'; } previewEl.innerHTML = output; } // Show execution info in source if (sourceEl) { sourceEl.textContent = `// Local JavaScript Execution Results // Executed in browser with Coherent.js runtime available // // Console logs: ${logs.length} // Return value: ${result !== null && result !== undefined ? typeof result : 'undefined'} // ${logs.length > 0 ? '// Console Output:\n' + logs.map(log => '// ' + log.args.map(arg => typeof arg === 'object' ? JSON.stringify(arg) : String(arg)).join(' ') ).join('\n') : '// No console output'}`; } } return true; // Successfully executed locally } catch (error) { console.error('Local execution failed:', error); return false; // Let server handle it } } // Global playground function window.runPlaygroundComponent = function() { console.log('runPlaygroundComponent called!'); const outputEl = document.getElementById('output'); const previewEl = document.getElementById('preview'); const sourceEl = document.getElementById('source'); console.log('Elements found:', { outputEl, previewEl, sourceEl }); console.log('Editor available:', !!window.getEditorContent); const setStatus = (message) => { if (outputEl) { outputEl.textContent = message; outputEl.className = 'output-status'; } }; const setError = (message) => { if (outputEl) { outputEl.textContent = `Error: ${message}`; outputEl.className = 'output-error'; } if (previewEl) previewEl.innerHTML = ''; if (sourceEl) sourceEl.textContent = ''; }; const setSuccess = (component, html) => { console.log('setSuccess called with:', { component, html }); if (outputEl) { outputEl.textContent = 'Component rendered successfully!'; outputEl.className = 'output-success'; } // Clear and render the preview if (previewEl) { console.log('Rendering to preview element:', previewEl); try { browserRenderToDOM(component, previewEl); console.log('Preview element after rendering:', previewEl.innerHTML); } catch (domError) { console.error('DOM render error, using HTML fallback:', domError); previewEl.innerHTML = html; // Fallback to HTML } } else { console.error('Preview element not found!'); } // Show the generated HTML source if (sourceEl) { sourceEl.textContent = html; console.log('Source element updated with HTML'); } else { console.error('Source element not found!'); } }; try { setStatus('Parsing component...'); // Get content from CodeMirror editor or fallback to textarea const userInput = window.getEditorContent ? window.getEditorContent().trim() : ''; if (!userInput) { setError('No component definition provided'); return; } console.log('User input:', userInput); // Enhanced JavaScript detection and execution const isJavaScript = userInput.includes('function ') || userInput.includes('const ') || userInput.includes('let ') || userInput.includes('var ') || userInput.includes('=>') || userInput.includes('//') || userInput.includes('/*') || userInput.match(/^\s*\/\//m) || // Comments at start of line userInput.includes('import ') || userInput.includes('require(') || userInput.includes('export '); if (isJavaScript) { updateRunButton(true); // Try to execute as Coherent.js component locally first if (tryLocalCoherentExecution(userInput)) { return; } // Fallback to server-side execution runJavaScriptCode(userInput); return; } // This is JSON - reset button text updateRunButton(false); // Parse the JSON component definition safely const component = parseComponentJSON(userInput); console.log('Parsed component:', component); if (!component) { setError('Component definition is empty'); return; } setStatus('Rendering component...'); // Render to HTML string using browser-compatible function const html = browserRenderToString(component); console.log('Generated HTML:', html); setSuccess(component, html); } catch (error) { console.error('Playground execution error:', error); setError(error.message); } }; // Handle URL parameters to load example files function loadExampleFromURL() { const urlParams = new URLSearchParams(window.location.search); const fileName = urlParams.get('file'); console.log('Current URL:', window.location.href); console.log('URL search params:', window.location.search); console.log('Parsed fileName:', fileName); if (fileName) { console.log('Loading example file:', fileName); loadExampleFile(fileName); } else { console.log('No file parameter found in URL'); } } async function loadExampleFile(fileName) { const outputEl = document.getElementById('output'); console.log('loadExampleFile called with:', fileName); console.log('Editor available:', !!window.setEditorContent); console.log('Output element found:', !!outputEl); if (!window.setEditorContent) { console.error('CodeMirror editor not available when loading example'); return; } try { if (outputEl) { outputEl.textContent = `Loading example: ${fileName}...`; outputEl.className = 'output-status'; } const apiUrl = `/api/example/${fileName}`; console.log('Fetching from URL:', apiUrl); let response = await fetch(apiUrl); console.log('Response status:', response.status); console.log('Response ok:', response.ok); // If API fails, try direct static file access as fallback if (!response.ok) { console.log('API failed, trying direct static file access...'); const staticUrl = `/examples/${fileName}`; console.log('Trying static URL:', staticUrl); response = await fetch(staticUrl); console.log('Static response status:', response.status); } if (!response.ok) { const errorText = await response.text(); console.log('Final error response text:', errorText); throw new Error(`Failed to load ${fileName}: ${response.statusText}. Make sure the server is running.`); } const exampleCode = await response.text(); console.log('Loaded example code length:', exampleCode.length); // Paste the actual example code directly into the CodeMirror editor window.setEditorContent(exampleCode); // Detect if this is JavaScript code and update UI accordingly const isJavaScript = exampleCode.includes('import ') || exampleCode.includes('require(') || exampleCode.includes('export ') || exampleCode.includes('function ') || exampleCode.includes('const ') || exampleCode.includes('//'); updateRunButton(isJavaScript); if (outputEl) { if (isJavaScript) { outputEl.innerHTML = ` <strong>đ Loaded ${fileName}</strong><br> <span style="color: #3b82f6;">đ JavaScript/Coherent.js code loaded!</span><br> <span style="color: #6b7280;">Click "<strong>đ Execute Code</strong>" to run this code in the playground, or run locally with: <code style="background: #000; color: #3bf77d; padding: 2px 4px; border-radius: 3px;">node examples/${fileName}</code></span> `; } else { outputEl.innerHTML = ` <strong>đ Loaded ${fileName}</strong><br> <span style="color: #059669;">đ Code file loaded for editing</span><br> <span style="color: #6b7280;">You can edit this code and run it locally with: <code style="background: #000; color: #3bf77d; padding: 2px 4px; border-radius: 3px;">node examples/${fileName}</code></span> `; } outputEl.className = 'output-status'; } } catch (error) { console.error('Error loading example file:', error); if (outputEl) { outputEl.textContent = `Error loading ${fileName}: ${error.message}`; outputEl.className = 'output-error'; } } } // Initialize when DOM is ready (editor is initialized by codemirror-editor.js) if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', () => { // Just load example if needed (editor initializes itself) setTimeout(() => loadExampleFromURL(), 200); }); } else { // Just load example if needed (editor initializes itself) setTimeout(() => loadExampleFromURL(), 200); } console.log('Playground functionality loaded successfully!'); // Add dropdown close functionality when DOM is ready setTimeout(() => { document.addEventListener('click', function(e) { const menu = document.getElementById('templates-menu'); const btn = document.getElementById('templates-btn'); if (menu && btn && !btn.contains(e.target) && !menu.contains(e.target)) { menu.style.display = 'none'; } }); }, 1000); |