Function spanToJSON

packages/core/src/utils/spanUtils.ts:174–209

(span: Span)

// This is not avoidable as we need `spanToJSON` in `spanUtils.ts`, which in turn is needed by `span.ts` for backwards compatibility.
// And `spanToJSON` needs the Span class from `span.ts` to check here.
export function spanToJSON(span: Span): SpanJSON {
  if (spanIsSentrySpan(span)) {
    return span.getSpanJSON();
  }

  const { spanId: span_id, traceId: trace_id } = span.spanContext();

  // Handle a span from @opentelemetry/sdk-base-trace's `Span` class
  if (spanIsOpenTelemetrySdkTraceBaseSpan(span)) {
    const { attributes, startTime, name, endTime, status, links } = span;

    return {
      span_id,
      trace_id,
      data: attributes,
      description: name,
      parent_span_id: getOtelParentSpanId(span),
      start_timestamp: spanTimeInputToSeconds(startTime),
      // This is [0,0] by default in OTEL, in which case we want to interpret this as no end time
      timestamp: spanTimeInputToSeconds(endTime) || undefined,
      status: getStatusMessage(status),
      op: attributes[SEMANTIC_ATTRIBUTE_SENTRY_OP],
      origin: attributes[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN] as SpanOrigin | undefined,
      links: convertSpanLinksForEnvelope(links),
    };
  }

  // Finally, at least we have `spanContext()`....
  // This should not actually happen in reality, but we need to handle it for type safety.
  return {
    span_id,
    trace_id,
    start_timestamp: 0,
    data: {},
  };
}

/**
 * Convert a span to the intermediate {@link StreamedSpanJSON} representation.