What is the best way to combine two arrays using Mongoose?

Group 1 = [X, , , , ,X]

Group 2 = [ , , ,O, , ]

I am looking for a way to combine group 1 with group 2 in order to achieve the following arrangement: [X, , , O, ,X] without simply replacing Group 1 with Group 2..

Here is the code snippet I have so far:

tictactoe.put('/updateBoard/:gameId', function (req, res) {
    Game.findOneAndUpdate({"gameId": req.params.gameId}, {
        "$set": {
           gameProgress: req.body.board
        }
    }, (err, data) => {
        if (err) {
            return res.status(500).send(err);
        }
        return res.status(200).json(data);
    });
});

Any suggestions?

Answer №1

If I understand correctly, you are looking to combine the 'gameProgress' array with req.body.board, which is another array.

{ $addToSet: { gameProgress: { $each: req.body.board } } }

By using this code snippet, each element from req.body.board will be added into the gameProgress array.

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