Function nmTimedT

src/resolution/name-matcher.ts:2196–2210

(stage: string, ref: UnresolvedRef, fn: () => T)

  process.env.CODEGRAPH_RESOLVE_PROFILE === '2' ? new Map() : null;

function nmTimedT<T>(stage: string, ref: UnresolvedRef, fn: () => T): T {
  if (!NM_PROFILE) return fn();
  const t0 = process.hrtime.bigint();
  const r = fn();
  const dt = process.hrtime.bigint() - t0;
  const key = `nm:${stage}|${ref.referenceKind}|${r ? 'hit' : 'miss'}`;
  const slot = NM_PROFILE.get(key);
  if (slot) {
    slot.n++;
    slot.ns += dt;
  } else {
    NM_PROFILE.set(key, { n: 1, ns: dt });
  }
  return r;
}

function nmTimed(stage: string, ref: UnresolvedRef, fn: () => ResolvedRef | null): ResolvedRef | null {
  return nmTimedT(stage, ref, fn);