Sort problem in node server

export const movepoint = async (req, res) => {
const { fromindex, toindex } = req.body;

console.log("Came to backend:", fromindex, toindex);

try {
    if (fromindex === toindex) {
        return res.status(200).json("Properties fromindex and toindex are the same");
    }

    let docToMove = await Point.findOne({ index: fromindex });

    console.log("DocToMove:",docToMove)

    if (!docToMove) {
        return res.status(404).json("Point not found");
    }

    if (fromindex < toindex) {
        await Point.updateMany(
            { index: { $gt: fromindex, $lte: toindex } },
            { $inc: { index: -1 } }
        );
    } else {
        await Point.updateMany(
            { index: { $lt: fromindex, $gte: toindex } },
            { $inc: { index: 1 } }
        );
    }

   const doume = await Point.updateOne({ _id: docToMove._id }, { $set: { index: toindex } })

   const sortedDocs = await Point.find({}).sort({ index: 1 });

  console.log("Sorted Docs:", sortedDocs);

  return res.status(200).json("Successfully moved point");
} catch (err) {
    console.error(err);
    return res.status(500).json({ error: 'Internal Server Error' });
}

};

This my code.Everything is ok but the end is sorting the collection array by index.why?Answers really appricieted!!!

Hello,
There is a statement sorting the collection by index. Please review.

const sortedDocs = await Point.find({}).sort({ index: 1 });

Thanks
WeDotheBestForYou

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