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{"version":3,"file":"tracing.js","sources":["../../src/tracing.ts"],"sourcesContent":["import type { PropagationContext, TraceparentData } from '@sentry/types';\n\nimport { baggageHeaderToDynamicSamplingContext } from './baggage';\nimport { uuid4 } from './misc';\n\n// eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor -- RegExp is used for readability here\nexport const TRACEPARENT_REGEXP = new RegExp(\n '^[ \\\\t]*' + // whitespace\n '([0-9a-f]{32})?' + // trace_id\n '-?([0-9a-f]{16})?' + // span_id\n '-?([01])?' + // sampled\n '[ \\\\t]*$', // whitespace\n);\n\n/**\n * Extract transaction context data from a `sentry-trace` header.\n *\n * @param traceparent Traceparent string\n *\n * @returns Object containing data from the header, or undefined if traceparent string is malformed\n */\nexport function extractTraceparentData(traceparent?: string): TraceparentData | undefined {\n if (!traceparent) {\n return undefined;\n }\n\n const matches = traceparent.match(TRACEPARENT_REGEXP);\n if (!matches) {\n return undefined;\n }\n\n let parentSampled: boolean | undefined;\n if (matches[3] === '1') {\n parentSampled = true;\n } else if (matches[3] === '0') {\n parentSampled = false;\n }\n\n return {\n traceId: matches[1],\n parentSampled,\n parentSpanId: matches[2],\n };\n}\n\n/**\n * Create tracing context from incoming headers.\n *\n * @deprecated Use `propagationContextFromHeaders` instead.\n */\n// TODO(v8): Remove this function\nexport function tracingContextFromHeaders(\n sentryTrace: Parameters<typeof extractTraceparentData>[0],\n baggage: Parameters<typeof baggageHeaderToDynamicSamplingContext>[0],\n): {\n traceparentData: ReturnType<typeof extractTraceparentData>;\n dynamicSamplingContext: ReturnType<typeof baggageHeaderToDynamicSamplingContext>;\n propagationContext: PropagationContext;\n} {\n const traceparentData = extractTraceparentData(sentryTrace);\n const dynamicSamplingContext = baggageHeaderToDynamicSamplingContext(baggage);\n\n const { traceId, parentSpanId, parentSampled } = traceparentData || {};\n\n if (!traceparentData) {\n return {\n traceparentData,\n dynamicSamplingContext: undefined,\n propagationContext: {\n traceId: traceId || uuid4(),\n spanId: uuid4().substring(16),\n },\n };\n } else {\n return {\n traceparentData,\n dynamicSamplingContext: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n propagationContext: {\n traceId: traceId || uuid4(),\n parentSpanId: parentSpanId || uuid4().substring(16),\n spanId: uuid4().substring(16),\n sampled: parentSampled,\n dsc: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n },\n };\n }\n}\n\n/**\n * Create a propagation context from incoming headers.\n */\nexport function propagationContextFromHeaders(\n sentryTrace: string | undefined,\n baggage: string | number | boolean | string[] | null | undefined,\n): PropagationContext {\n const traceparentData = extractTraceparentData(sentryTrace);\n const dynamicSamplingContext = baggageHeaderToDynamicSamplingContext(baggage);\n\n const { traceId, parentSpanId, parentSampled } = traceparentData || {};\n\n if (!traceparentData) {\n return {\n traceId: traceId || uuid4(),\n spanId: uuid4().substring(16),\n };\n } else {\n return {\n traceId: traceId || uuid4(),\n parentSpanId: parentSpanId || uuid4().substring(16),\n spanId: uuid4().substring(16),\n sampled: parentSampled,\n dsc: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n };\n }\n}\n\n/**\n * Create sentry-trace header from span context values.\n */\nexport function generateSentryTraceHeader(\n traceId: string = uuid4(),\n spanId: string = uuid4().substring(16),\n sampled?: boolean,\n): string {\n le
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