Ts Playground 35 Upd May 2026

// ============================================
// UI INTEGRATION MODULE
// ============================================
class TSPlaygroundExtension 
private visualizer: SmartTypeVisualizer;
private timeline: TypeTimeline;
private activeVariables: Map<string, any> = new Map();
constructor() 
this.visualizer = new SmartTypeVisualizer(true);
this.timeline = new TypeTimeline();
this.injectUI();
this.hookIntoPlayground();

private injectUI(): void  Smart Types
  </div>
`;
document.body.appendChild(panel);

private hookIntoPlayground(): void // Monkey patch console.log to capture type info const originalLog = console.log; console.log = (...args: any[]) => originalLog.apply(console, args);

  // Check for type visualization markers
  if (args[0] && typeof args[0] === 'string' && args[0].includes('[Type Visualizer]')) 
    this.updateUIPanel(args[1]);
;

private updateUIPanel(info: string): void const panel = document.getElementById('type-info'); if (panel) const formatted = info.replace(/\n/g, '<br>').replace(/ /g, ' '); panel.innerHTML = <pre style="margin:0; font-family:monospace;">$formatted</pre>; ts playground 35 upd

// Export type information as JSON exportTypeReport(): string const report = timestamp: new Date().toISOString(), variables: Array.from(this.activeVariables.entries()).map(([name, value]) => ( name, type: typeof value, value: value )) ;

return JSON.stringify(report, null, 2);

// Initialize the extension const playgroundExtension = new TSPlaygroundExtension(); private hookIntoPlayground(): void // Monkey patch console

// Export for use in TS Playground export SmartTypeVisualizer, TypeTimeline, TSPlaygroundExtension ;

Let’s look at three practical scenarios where this update shines.

A standout change in the TS Playground 35 upd is the redesigned user interface. The classic three-pane view (code, types, outputs) is still there, but now you have: To enable these

To enable these, click the Layout button (new icon in the top bar) and experiment with the options.

---