feat(v8): Remove deprecated traceHeaders method (#10776)

Author: AbhiPrasad

packages/core/src/hub.ts

@@ -478,14 +478,6 @@ Sentry.init({...});
     return result;
   }
 
-  /**
-   * @inheritDoc
-   * @deprecated Use `spanToTraceHeader()` instead.
-   */
-  public traceHeaders(): { [key: string]: string } {
-    return this._callExtensionMethod<{ [key: string]: string }>('traceHeaders');
-  }
-
   /**
    * @inheritDoc
    *

packages/core/src/tracing/hubextensions.ts

@@ -3,26 +3,11 @@ import { logger } from '@sentry/utils';
 import { getMainCarrier } from '../asyncContext';
 
 import { DEBUG_BUILD } from '../debug-build';
-import { spanToTraceHeader } from '../utils/spanUtils';
 import { registerErrorInstrumentation } from './errors';
 import { IdleTransaction } from './idletransaction';
 import { sampleTransaction } from './sampling';
 import { Transaction } from './transaction';
 
-/** Returns all trace headers that are currently on the top scope. */
-function traceHeaders(this: Hub): { [key: string]: string } {
-  // eslint-disable-next-line deprecation/deprecation
-  const scope = this.getScope();
-  // eslint-disable-next-line deprecation/deprecation
-  const span = scope.getSpan();
-
-  return span
-    ? {
-        'sentry-trace': spanToTraceHeader(span),
-      }
-    : {};
-}
-
 /**
  * Creates a new transaction and adds a sampling decision if it doesn't yet have one.
  *
@@ -142,9 +127,6 @@ export function addTracingExtensions(): void {
   if (!carrier.__SENTRY__.extensions.startTransaction) {
     carrier.__SENTRY__.extensions.startTransaction = _startTransaction;
   }
-  if (!carrier.__SENTRY__.extensions.traceHeaders) {
-    carrier.__SENTRY__.extensions.traceHeaders = traceHeaders;
-  }
 
   registerErrorInstrumentation();
 }

packages/node-experimental/src/sdk/hub.ts

@@ -26,7 +26,6 @@ import {
   withScope,
 } from '@sentry/core';
 import { getClient } from './api';
-import { callExtensionMethod } from './globals';
 
 /**
  * This is for legacy reasons, and returns a proxy object instead of a hub to be used.
@@ -77,10 +76,6 @@ export function getCurrentHub(): Hub {
       return getClient().getIntegration(integration);
     },
 
-    traceHeaders(): { [key: string]: string } {
-      return callExtensionMethod<{ [key: string]: string }>(this, 'traceHeaders');
-    },
-
     startTransaction(
       _context: TransactionContext,
       _customSamplingContext?: CustomSamplingContext,

packages/opentelemetry/src/custom/getCurrentHub.ts

@@ -76,11 +76,6 @@ export function getCurrentHub(): Hub {
       return getClient()?.getIntegration(integration) || null;
     },
 
-    traceHeaders(): { [key: string]: string } {
-      // TODO: Do we need this??
-      return {};
-    },
-
     startTransaction(
       _context: TransactionContext,
       _customSamplingContext?: CustomSamplingContext,

packages/types/src/hub.ts

@@ -204,13 +204,6 @@ export interface Hub {
    */
   getIntegration<T extends Integration>(integration: IntegrationClass<T>): T | null;
 
-  /**
-   * Returns all trace headers that are currently on the top scope.
-   *
-   * @deprecated Use `spanToTraceHeader()` instead.
-   */
-  traceHeaders(): { [key: string]: string };
-
   /**
    * Starts a new `Transaction` and returns it. This is the entry point to manual tracing instrumentation.
    *