Function getTraceContextFromScope

packages/core/src/currentScopes.ts:152–172

(scope: Scope)

 * Get a trace context for the given scope.
 */
export function getTraceContextFromScope(scope: Scope): TraceContext {
  const externalContext = getExternalPropagationContext();
  if (externalContext) {
    return { trace_id: externalContext.traceId, span_id: externalContext.spanId };
  }

  const propagationContext = scope.getPropagationContext();

  const { traceId, parentSpanId, propagationSpanId } = propagationContext;

  const traceContext: TraceContext = {
    trace_id: traceId,
    span_id: propagationSpanId || generateSpanId(),
  };

  if (parentSpanId) {
    traceContext.parent_span_id = parentSpanId;
  }

  return traceContext;
}