cleanup

Author: Lms24

packages/tracing-internal/src/browser/request.ts

@@ -90,6 +90,17 @@ export interface XHRData {
   endTimestamp?: number;
 }
 
+type PolymorphicRequestHeaders =
+  | Record<string, string | undefined>
+  | Array<[string, string]>
+  // the below is not preicsely the Header type used in Request, but it'll pass duck-typing
+  | {
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      [key: string]: any;
+      append: (key: string, value: string) => void;
+      get: (key: string) => string;
+    };
+
 export const defaultRequestInstrumentationOptions: RequestInstrumentationOptions = {
   traceFetch: true,
   traceXHR: true,
@@ -210,17 +221,9 @@ export function fetchCallback(
   }
 }
 
-type PolymorphicRequestHeaders =
-  | Record<string, string | undefined>
-  | Array<[string, string]>
-  // the below is not preicsely the Header type used in Request, but it'll pass duck-typing
-  | {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      [key: string]: any;
-      append: (key: string, value: string) => void;
-      get: (key: string) => string;
-    };
-
+/**
+ * Adds sentry-trace and baggage headers to the various forms of fetch headers
+ */
 export function addTracingHeadersToFetchRequest(
   request: string | Request,
   dynamicSamplingContext: Partial<DynamicSamplingContext>,