Function getDB

bs/bs.ts:53–88

()

let dbPromise: Promise<Low<BsDB>> | null = null;

async function getDB() {
  if (!dbPromise) {
    dbPromise = JSONFilePreset<BsDB>(filePath, {
      seq: String(defaultTargets.length),
      mode: MODE_SEQUENCE,
      targets: defaultTargets,
    });
  }
  const db = await dbPromise;

  const data = (db.data ??= {
    seq: String(defaultTargets.length),
    mode: MODE_SEQUENCE,
    targets: [...defaultTargets],
  });

  if (!Array.isArray(data.targets)) {
    data.targets = [];
  }

  if (!data.mode) {
    data.mode = MODE_SEQUENCE;
  }

  const maxId = data.targets.reduce((max, target) => {
    const idNum = Number(target.id);
    return Number.isFinite(idNum) ? Math.max(max, idNum) : max;
  }, 0);

  const seqNum = Number(data.seq);
  if (!Number.isFinite(seqNum) || seqNum < maxId) {
    data.seq = String(maxId);
  }

  return db;
}

function nextId(db: Low<BsDB>): string {
  const current = Number(db.data?.seq ?? "0");