add TraceHeaders and SpanContext.getTraceHeaders() to types

packages/types/src/index.ts

@@ -32,7 +32,7 @@ export {
   SessionFlusherLike,
 } from './session';
 export { Severity } from './severity';
-export { Span, SpanContext } from './span';
+export { Span, SpanContext, TraceHeaders } from './span';
 export { StackFrame } from './stackframe';
 export { Stacktrace } from './stacktrace';
 export { Status } from './status';

packages/types/src/span.ts

@@ -158,6 +158,13 @@ export interface Span extends SpanContext {
   /** Updates the current span with a new `SpanContext` */
   updateWithContext(spanContext: SpanContext): this;
 
+  /**
+   * Get headers to attach to any outgoing requests made by the operation corresponding to the current span
+   *
+   * @returns An object containing the headers
+   */
+  getTraceHeaders(): TraceHeaders;
+
   /** Convert the object to JSON for w. spans array info only */
   getTraceContext(): {
     data?: { [key: string]: any };
@@ -169,6 +176,7 @@ export interface Span extends SpanContext {
     tags?: { [key: string]: Primitive };
     trace_id: string;
   };
+
   /** Convert the object to JSON */
   toJSON(): {
     data?: { [key: string]: any };
@@ -183,3 +191,8 @@ export interface Span extends SpanContext {
     trace_id: string;
   };
 }
+
+export type TraceHeaders = {
+  'sentry-trace': string;
+  tracestate?: string;
+};