Function deserializeMaintainHistory

src/cli/maintain-history.ts:85–93

(text: string)

 * PURE.
 */
export function deserializeMaintainHistory(text: string): { runs: MaintainRun[]; exportedAt?: string; version?: number; audit?: HistoryAudit } {
  let obj: any;
  try { obj = JSON.parse(text); } catch { throw new Error('not valid JSON'); }
  const rawRuns = Array.isArray(obj) ? obj : obj?.runs;
  if (!Array.isArray(rawRuns)) throw new Error('no maintain runs found in the file');
  const runs = rawRuns.filter(isRunLike).map(normalizeRun);
  const audit = obj?.audit && typeof obj.audit === 'object' && typeof obj.audit.head === 'string' ? obj.audit as HistoryAudit : undefined;
  return { runs, exportedAt: typeof obj?.exportedAt === 'string' ? obj.exportedAt : undefined, version: typeof obj?.version === 'number' ? obj.version : undefined, audit };
}

/** A stable identity for a run, so re-importing the same snapshot doesn't double-count. */
function runKey(r: MaintainRun): string {