Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 // https://www.w3.org/TR/trace-context/#traceparent-header type hex = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | 'a' | 'b' | 'c' | 'd' | 'e' | 'f'; type twohex = `${hex}${hex}`; export type Traceparent = { version?: twohex; traceId: string; parentId: string; flags?: hex | twohex; }; const traceparentRegex = /^([0-9a-f]{2})?-?([0-9a-f]{32})-([0-9a-f]{16})-?([0-9a-f]{1,2})?$/i; export function parseTraceparent(traceparent: string): Traceparent | null { const match = traceparent.match(traceparentRegex); if (!match) { return null; } return { version: (match[1] ?? undefined) as Traceparent['version'], traceId: match[2], parentId: match[3], flags: (match[4] ?? undefined) as Traceparent['flags'], }; }