Function grepSpans

apps/sim/lib/logs/log-views.ts:309–339

(
  spans: TraceSpan[],
  pattern: string,
  ctx: LogViewContext,
  opts?: GrepSpansOptions
)

 * the ref preview). Only bounded match snippets are accumulated.
 */
export async function grepSpans(
  spans: TraceSpan[],
  pattern: string,
  ctx: LogViewContext,
  opts?: GrepSpansOptions
): Promise<GrepSpansResult> {
  const state: GrepState = {
    matches: [],
    slicesScanned: 0,
    truncated: false,
    maxMatches: opts?.maxMatches ?? DEFAULT_MAX_MATCHES,
    maxSnippetChars: opts?.maxSnippetChars ?? DEFAULT_MAX_SNIPPET_CHARS,
    maxSlicesScanned: opts?.maxSlicesScanned ?? DEFAULT_MAX_SLICES_SCANNED,
    regex: buildRegex(pattern),
  }

  const walk = async (list: TraceSpan[]): Promise<void> => {
    for (const span of list) {
      if (done(state)) return
      recordIfMatch(span.name, 'name', span, state)
      recordIfMatch(span.type, 'type', span, state)
      if (span.errorMessage) recordIfMatch(span.errorMessage, 'error', span, state)
      if (span.input !== undefined) await grepField(span.input, 'input', span, ctx, state)
      if (span.output !== undefined) await grepField(span.output, 'output', span, ctx, state)
      if (span.children && span.children.length > 0) await walk(span.children)
    }
  }

  await walk(spans)
  return { matches: state.matches, truncated: state.truncated }
}