Function installClientErrorCapture

apps/kimi-web/src/debug/trace.ts:345–383

()

/** Wire up window error + console.error/warn capture into the trace buffer. */
export function installClientErrorCapture(): void {
  if (clientCaptureInstalled || !isTraceEnabled()) return;
  clientCaptureInstalled = true;

  try {
    if (typeof window !== 'undefined') {
      window.addEventListener('error', (e: ErrorEvent) => {
        traceClientLog('error', e.message || 'window error', {
          source: e.filename,
          line: e.lineno,
          col: e.colno,
          stack: e.error instanceof Error ? e.error.stack : undefined,
        });
      });
      window.addEventListener('unhandledrejection', (e: PromiseRejectionEvent) => {
        const reason = e.reason;
        traceClientLog('error', 'unhandled promise rejection', {
          reason: reason instanceof Error ? `${reason.name}: ${reason.message}` : reason,
          stack: reason instanceof Error ? reason.stack : undefined,
        });
      });
    }
  } catch {
    // window unavailable
  }

  for (const level of ['error', 'warn', 'log', 'info', 'debug'] as const) {
    const original = console[level];
    if (typeof original !== 'function') continue;
    console[level] = (...args: unknown[]): void => {
      try {
        traceClientLog(level, args.map(stringifyArg).join(' '), args.length > 1 ? args : args[0]);
      } catch {
        // never let tracing break logging
      }
      original.apply(console, args);
    };
  }
}

function stringifyArg(a: unknown): string {
  if (typeof a === 'string') return a;