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• fetch.js.map

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package.build.esm.fetch.js.map Maven / Gradle / Ivy

{"version":3,"file":"fetch.js","sources":["../../src/fetch.ts"],"sourcesContent":["import type { Client, HandlerDataFetch, Scope, Span, SpanOrigin } from '@sentry/types';\nimport {\n  BAGGAGE_HEADER_NAME,\n  dynamicSamplingContextToSentryBaggageHeader,\n  generateSentryTraceHeader,\n  isInstanceOf,\n  parseUrl,\n} from '@sentry/utils';\nimport { getClient, getCurrentScope, getIsolationScope } from './currentScopes';\nimport { SEMANTIC_ATTRIBUTE_SENTRY_OP, SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN } from './semanticAttributes';\nimport {\n  SPAN_STATUS_ERROR,\n  getDynamicSamplingContextFromClient,\n  getDynamicSamplingContextFromSpan,\n  setHttpStatus,\n  startInactiveSpan,\n} from './tracing';\nimport { SentryNonRecordingSpan } from './tracing/sentryNonRecordingSpan';\nimport { hasTracingEnabled } from './utils/hasTracingEnabled';\nimport { getActiveSpan, spanToTraceHeader } from './utils/spanUtils';\n\ntype PolymorphicRequestHeaders =\n  | Record\n  | Array<[string, string]>\n  // the below is not preicsely the Header type used in Request, but it'll pass duck-typing\n  | {\n      // eslint-disable-next-line @typescript-eslint/no-explicit-any\n      [key: string]: any;\n      append: (key: string, value: string) => void;\n      get: (key: string) => string | null | undefined;\n    };\n\n/**\n * Create and track fetch request spans for usage in combination with `addFetchInstrumentationHandler`.\n *\n * @returns Span if a span was created, otherwise void.\n */\nexport function instrumentFetchRequest(\n  handlerData: HandlerDataFetch,\n  shouldCreateSpan: (url: string) => boolean,\n  shouldAttachHeaders: (url: string) => boolean,\n  spans: Record,\n  spanOrigin: SpanOrigin = 'auto.http.browser',\n): Span | undefined {\n  if (!handlerData.fetchData) {\n    return undefined;\n  }\n\n  const shouldCreateSpanResult = hasTracingEnabled() && shouldCreateSpan(handlerData.fetchData.url);\n\n  if (handlerData.endTimestamp && shouldCreateSpanResult) {\n    const spanId = handlerData.fetchData.__span;\n    if (!spanId) return;\n\n    const span = spans[spanId];\n    if (span) {\n      endSpan(span, handlerData);\n\n      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n      delete spans[spanId];\n    }\n    return undefined;\n  }\n\n  const scope = getCurrentScope();\n  const client = getClient();\n\n  const { method, url } = handlerData.fetchData;\n\n  const fullUrl = getFullURL(url);\n  const host = fullUrl ? parseUrl(fullUrl).host : undefined;\n\n  const hasParent = !!getActiveSpan();\n\n  const span =\n    shouldCreateSpanResult && hasParent\n      ? startInactiveSpan({\n          name: `${method} ${url}`,\n          attributes: {\n            url,\n            type: 'fetch',\n            'http.method': method,\n            'http.url': fullUrl,\n            'server.address': host,\n            [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: spanOrigin,\n            [SEMANTIC_ATTRIBUTE_SENTRY_OP]: 'http.client',\n          },\n        })\n      : new SentryNonRecordingSpan();\n\n  handlerData.fetchData.__span = span.spanContext().spanId;\n  spans[span.spanContext().spanId] = span;\n\n  if (shouldAttachHeaders(handlerData.fetchData.url) && client) {\n    const request: string | Request = handlerData.args[0];\n\n    // In case the user hasn't set the second argument of a fetch call we default it to `{}`.\n    handlerData.args[1] = handlerData.args[1] || {};\n\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    const options: { [key: string]: any } = handlerData.args[1];\n\n    options.headers = addTracingHeadersToFetchRequest(\n      request,\n      client,\n      scope,\n      options,\n      // If performance is disabled (TWP) or there's no active root span (pageload/navigation/interaction),\n      // we do not want to use the span as base for the trace headers,\n      // which means that the headers will be generated from the scope and the sampling decision is deferred\n      hasTracingEnabled() && hasParent ? span : undefined,\n    );\n  }\n\n  return span;\n}\n\n/**\n * Adds sentry-trace and baggage headers to the various forms of fetch headers\n */\nexport function addTracingHeadersToFetchRequest(\n  request: string | unknown, // unknown is actually type Request but we can't export DOM types from this package,\n  client: Client,\n  scope: Scope,\n  options: {\n    headers?:\n      | {\n          [key: string]: string[] | string | undefined;\n        }\n      | PolymorphicRequestHeaders;\n  },\n  span?: Span,\n): PolymorphicRequestHeaders | undefined {\n  const isolationScope = getIsolationScope();\n\n  const { traceId, spanId, sampled, dsc } = {\n    ...isolationScope.getPropagationContext(),\n    ...scope.getPropagationContext(),\n  };\n\n  const sentryTraceHeader = span ? spanToTraceHeader(span) : generateSentryTraceHeader(traceId, spanId, sampled);\n\n  const sentryBaggageHeader = dynamicSamplingContextToSentryBaggageHeader(\n    dsc || (span ? getDynamicSamplingContextFromSpan(span) : getDynamicSamplingContextFromClient(traceId, client)),\n  );\n\n  const headers =\n    options.headers ||\n    (typeof Request !== 'undefined' && isInstanceOf(request, Request) ? (request as Request).headers : undefined);\n\n  if (!headers) {\n    return { 'sentry-trace': sentryTraceHeader, baggage: sentryBaggageHeader };\n  } else if (typeof Headers !== 'undefined' && isInstanceOf(headers, Headers)) {\n    const newHeaders = new Headers(headers as Headers);\n\n    newHeaders.append('sentry-trace', sentryTraceHeader);\n\n    if (sentryBaggageHeader) {\n      // If the same header is appended multiple times the browser will merge the values into a single request header.\n      // Its therefore safe to simply push a \"baggage\" entry, even though there might already be another baggage header.\n      newHeaders.append(BAGGAGE_HEADER_NAME, sentryBaggageHeader);\n    }\n\n    return newHeaders as PolymorphicRequestHeaders;\n  } else if (Array.isArray(headers)) {\n    const newHeaders = [...headers, ['sentry-trace', sentryTraceHeader]];\n\n    if (sentryBaggageHeader) {\n      // If there are multiple entries with the same key, the browser will merge the values into a single request header.\n      // Its therefore safe to simply push a \"baggage\" entry, even though there might already be another baggage header.\n      newHeaders.push([BAGGAGE_HEADER_NAME, sentryBaggageHeader]);\n    }\n\n    return newHeaders as PolymorphicRequestHeaders;\n  } else {\n    const existingBaggageHeader = 'baggage' in headers ? headers.baggage : undefined;\n    const newBaggageHeaders: string[] = [];\n\n    if (Array.isArray(existingBaggageHeader)) {\n      newBaggageHeaders.push(...existingBaggageHeader);\n    } else if (existingBaggageHeader) {\n      newBaggageHeaders.push(existingBaggageHeader);\n    }\n\n    if (sentryBaggageHeader) {\n      newBaggageHeaders.push(sentryBaggageHeader);\n    }\n\n    return {\n      ...(headers as Exclude),\n      'sentry-trace': sentryTraceHeader,\n      baggage: newBaggageHeaders.length > 0 ? newBaggageHeaders.join(',') : undefined,\n    };\n  }\n}\n\nfunction getFullURL(url: string): string | undefined {\n  try {\n    const parsed = new URL(url);\n    return parsed.href;\n  } catch {\n    return undefined;\n  }\n}\n\nfunction endSpan(span: Span, handlerData: HandlerDataFetch): void {\n  if (handlerData.response) {\n    setHttpStatus(span, handlerData.response.status);\n\n    const contentLength =\n      handlerData.response && handlerData.response.headers && handlerData.response.headers.get('content-length');\n\n    if (contentLength) {\n      const contentLengthNum = parseInt(contentLength);\n      if (contentLengthNum > 0) {\n        span.setAttribute('http.response_content_length', contentLengthNum);\n      }\n    }\n  } else if (handlerData.error) {\n    span.setStatus({ code: SPAN_STATUS_ERROR, message: 'internal_error' });\n  }\n  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