Function hasCheckpoint

src/checkpoints/index.ts:204–204

(checkpointId: Id)

      mapForEach(labels, checkpointCallback);

    const hasCheckpoint = (checkpointId: Id) => collHas(deltas, checkpointId);

    const getCheckpoint = (checkpointId: Id): string | undefined =>
      mapGet(labels, checkpointId);