Batch update large collection with mongoose

Model.js

schema.static("batchUpdate", async function batchUpdate(query, update) {
  const batchSize = 100;
  const first = await this.findOne(query, null, { sort: "_id" });

  if (!first) {
    return;
  }

  query.firstId = first.id;

  const updateBatch = async () => {
    if (!query.firstId) {
      return;
    }

    const { firstId, ...updateQuery } = query;

    const [last] = await this.find(
      {
        _id: { $gt: firstId },
        ...updateQuery,
      },
      null,
      {
        sort: "_id",
        limit: 1,
        skip: batchSize,
      }
    );

    const lastId = last ? last.id : null;

    if (lastId || firstId) {
      updateQuery["_id"] = {};
      if (firstId) {
        updateQuery["_id"]["$gt"] = firstId;
      }
      if (lastId) {
        updateQuery["_id"]["$lte"] = lastId;
      }
    }

    await this.updateMany(updateQuery, update);
    query.firstId = lastId;
    await updateBatch();
  };

  return updateBatch();
});