quran/node_modules/@sentry-internal/tracing/cjs/common/fetch.js

Object.defineProperty(exports, '__esModule', { value: true });

const core = require('@sentry/core');
const utils = require('@sentry/utils');

/**
 * Create and track fetch request spans for usage in combination with `addInstrumentationHandler`.
 *
 * @returns Span if a span was created, otherwise void.
 */
function instrumentFetchRequest(
  handlerData,
  shouldCreateSpan,
  shouldAttachHeaders,
  spans,
  spanOrigin = 'auto.http.browser',
) {
  if (!core.hasTracingEnabled() || !handlerData.fetchData) {
    return undefined;
  }

  const shouldCreateSpanResult = shouldCreateSpan(handlerData.fetchData.url);

  if (handlerData.endTimestamp && shouldCreateSpanResult) {
    const spanId = handlerData.fetchData.__span;
    if (!spanId) return;

    const span = spans[spanId];
    if (span) {
      if (handlerData.response) {
        core.setHttpStatus(span, handlerData.response.status);

        const contentLength =
          handlerData.response && handlerData.response.headers && handlerData.response.headers.get('content-length');

        if (contentLength) {
          const contentLengthNum = parseInt(contentLength);
          if (contentLengthNum > 0) {
            span.setAttribute('http.response_content_length', contentLengthNum);
          }
        }
      } else if (handlerData.error) {
        span.setStatus('internal_error');
      }
      span.end();

      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
      delete spans[spanId];
    }
    return undefined;
  }

  const scope = core.getCurrentScope();
  const client = core.getClient();

  const { method, url } = handlerData.fetchData;

  const span = shouldCreateSpanResult
    ? core.startInactiveSpan({
        name: `${method} ${url}`,
        onlyIfParent: true,
        attributes: {
          url,
          type: 'fetch',
          'http.method': method,
          [core.SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: spanOrigin,
        },
        op: 'http.client',
      })
    : undefined;

  if (span) {
    handlerData.fetchData.__span = span.spanContext().spanId;
    spans[span.spanContext().spanId] = span;
  }

  if (shouldAttachHeaders(handlerData.fetchData.url) && client) {
    const request = handlerData.args[0];

    // In case the user hasn't set the second argument of a fetch call we default it to `{}`.
    handlerData.args[1] = handlerData.args[1] || {};

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const options = handlerData.args[1];

    // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access
    options.headers = addTracingHeadersToFetchRequest(request, client, scope, options, span);
  }

  return span;
}

/**
 * Adds sentry-trace and baggage headers to the various forms of fetch headers
 */
function addTracingHeadersToFetchRequest(
  request, // unknown is actually type Request but we can't export DOM types from this package,
  client,
  scope,
  options

,
  requestSpan,
) {
  // eslint-disable-next-line deprecation/deprecation
  const span = requestSpan || scope.getSpan();

  const isolationScope = core.getIsolationScope();

  const { traceId, spanId, sampled, dsc } = {
    ...isolationScope.getPropagationContext(),
    ...scope.getPropagationContext(),
  };

  const sentryTraceHeader = span ? core.spanToTraceHeader(span) : utils.generateSentryTraceHeader(traceId, spanId, sampled);

  const sentryBaggageHeader = utils.dynamicSamplingContextToSentryBaggageHeader(
    dsc ||
      (span ? core.getDynamicSamplingContextFromSpan(span) : core.getDynamicSamplingContextFromClient(traceId, client, scope)),
  );

  const headers =
    options.headers ||
    (typeof Request !== 'undefined' && utils.isInstanceOf(request, Request) ? (request ).headers : undefined);

  if (!headers) {
    return { 'sentry-trace': sentryTraceHeader, baggage: sentryBaggageHeader };
  } else if (typeof Headers !== 'undefined' && utils.isInstanceOf(headers, Headers)) {
    const newHeaders = new Headers(headers );

    newHeaders.append('sentry-trace', sentryTraceHeader);

    if (sentryBaggageHeader) {
      // If the same header is appended multiple times the browser will merge the values into a single request header.
      // Its therefore safe to simply push a "baggage" entry, even though there might already be another baggage header.
      newHeaders.append(utils.BAGGAGE_HEADER_NAME, sentryBaggageHeader);
    }

    return newHeaders ;
  } else if (Array.isArray(headers)) {
    const newHeaders = [...headers, ['sentry-trace', sentryTraceHeader]];

    if (sentryBaggageHeader) {
      // If there are multiple entries with the same key, the browser will merge the values into a single request header.
      // Its therefore safe to simply push a "baggage" entry, even though there might already be another baggage header.
      newHeaders.push([utils.BAGGAGE_HEADER_NAME, sentryBaggageHeader]);
    }

    return newHeaders ;
  } else {
    const existingBaggageHeader = 'baggage' in headers ? headers.baggage : undefined;
    const newBaggageHeaders = [];

    if (Array.isArray(existingBaggageHeader)) {
      newBaggageHeaders.push(...existingBaggageHeader);
    } else if (existingBaggageHeader) {
      newBaggageHeaders.push(existingBaggageHeader);
    }

    if (sentryBaggageHeader) {
      newBaggageHeaders.push(sentryBaggageHeader);
    }

    return {
      ...(headers ),
      'sentry-trace': sentryTraceHeader,
      baggage: newBaggageHeaders.length > 0 ? newBaggageHeaders.join(',') : undefined,
    };
  }
}

exports.addTracingHeadersToFetchRequest = addTracingHeadersToFetchRequest;
exports.instrumentFetchRequest = instrumentFetchRequest;
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