init commit

shared/logger/node_modules/@sentry/utils/esm/tracing.js

@@ -0,0 +1,39 @@
+const 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) {
+  const matches = traceparent.match(TRACEPARENT_REGEXP);
+
+  if (!traceparent || !matches) {
+    // empty string or no matches is invalid traceparent data
+    return undefined;
+  }
+
+  let parentSampled;
+  if (matches[3] === '1') {
+    parentSampled = true;
+  } else if (matches[3] === '0') {
+    parentSampled = false;
+  }
+
+  return {
+    traceId: matches[1],
+    parentSampled,
+    parentSpanId: matches[2],
+  };
+}
+
+export { TRACEPARENT_REGEXP, extractTraceparentData };
+//# sourceMappingURL=tracing.js.map