@sentry/utils/cjs/tracing.js

Utilities for all Sentry JavaScript SDKs

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

var TRACEPARENT_REGEXP = new RegExp(
  '^[ \\t]*' + // whitespace
    '([0-9a-f]{32})?' + // trace_id
    '-?([0-9a-f]{16})?' + // span_id
    '-?([01])?' + // sampled
    '[ \\t]*$', // whitespace
);

/**
 * Extract transaction context data from a `sentry-trace` header.
 *
 * @param traceparent Traceparent string
 *
 * @returns Object containing data from the header, or undefined if traceparent string is malformed
 */
function extractTraceparentData(traceparent) {
  var matches = traceparent.match(TRACEPARENT_REGEXP);
  if (matches) {
    let parentSampled;
    if (matches[3] === '1') {
      parentSampled = true;
    } else if (matches[3] === '0') {
      parentSampled = false;
    }
    return {
      traceId: matches[1],
      parentSampled,
      parentSpanId: matches[2],
    };
  }
  return undefined;
}

exports.TRACEPARENT_REGEXP = TRACEPARENT_REGEXP;
exports.extractTraceparentData = extractTraceparentData;
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