feat: Reuse existing tools from core

Author: JPeer264

packages/cloudflare/src/utils/traceLinks.ts

@@ -1,7 +1,7 @@
 import type { DurableObjectStorage } from '@cloudflare/workers-types';
 import { TraceFlags } from '@opentelemetry/api';
 import type { SpanLink } from '@sentry/core';
-import { debug, getActiveSpan } from '@sentry/core';
+import { debug, getActiveSpan, SEMANTIC_LINK_ATTRIBUTE_LINK_TYPE, spanIsSampled } from '@sentry/core';
 import { DEBUG_BUILD } from '../debug-build';
 
 /** Storage key prefix for the span context that links consecutive method invocations */
@@ -34,7 +34,7 @@ export async function storeSpanContext(originalStorage: DurableObjectStorage, me
       const storedContext: StoredSpanContext = {
         traceId: spanContext.traceId,
         spanId: spanContext.spanId,
-        sampled: spanContext.traceFlags === TraceFlags.SAMPLED,
+        sampled: spanIsSampled(activeSpan),
       };
       await originalStorage.put(getTraceLinkKey(methodName), storedContext);
     }
@@ -70,7 +70,7 @@ export function buildSpanLinks(storedContext: StoredSpanContext): SpanLink[] {
         traceFlags: storedContext.sampled ? TraceFlags.SAMPLED : TraceFlags.NONE,
       },
       attributes: {
-        'sentry.link.type': 'previous_trace',
+        [SEMANTIC_LINK_ATTRIBUTE_LINK_TYPE]: 'previous_trace',
       },
     },
   ];