fix(trace): add fallback for missing span_id in trace view

betegon · claude · betegon · commit dff8027fe29c · 2026-03-12T10:39:13.000+01:00
Prevent rendering literal "undefined" when both span_id and event_id
are absent on a span.

Co-Authored-By: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/src/lib/formatters/human.ts b/src/lib/formatters/human.ts
@@ -1122,7 +1122,7 @@ function formatSpanSimple(span: TraceSpan, opts: FormatSpanOptions): void {
     line += `  ${muted(`(${prettyMs(durationMs)})`)}`;
   }
 
-  line += `  ${muted(span.span_id)}`;
+  line += `  ${muted(span.span_id ?? "")}`;
 
   lines.push(line);
 

Original file line number	Diff line number	Diff line change
`@@ -1122,7 +1122,7 @@ function formatSpanSimple(span: TraceSpan, opts: FormatSpanOptions): void {`
`1122`	`1122`	line += ` ${muted(`(${prettyMs(durationMs)})`)}`;
`1123`	`1123`	`}`
`1124`	`1124`
`1125`		- line += ` ${muted(span.span_id)}`;
	`1125`	+ line += ` ${muted(span.span_id ?? "")}`;
`1126`	`1126`
`1127`	`1127`	`lines.push(line);`
`1128`	`1128`