persist(fileTimes: Map<string, number>,projectRoot: string): Promise<void>
Writes the merged per-file timings back to tmp/test-timings.json for the next run to pack with.
import * as Timings from './timings.ts'; // Defined, not invoked: writes tmp/test-timings.json under projectRoot. async function saveTimings(fileTimes: Map<string, number>) { await Timings.persist(fileTimes, '/proj'); // next run's splitIntoGroups packs with these }