Resolved: I need to be able to obtain only the string that makes up the Id in a query to MongoDB

Question:

I’m using mongoDB, mongoose and typescript and I need to keep the document ids when I query but I can only get the type _id: new ObjectId(“62aa4bddae588fb13e8df552”) . I only need to keep the string “62aa4bddae588fb13e8df552” to later store it and do other processing. I can’t get rid of the new ObjectId

async findById(id:string) {
    const convert = {"_id":id}
    const userfindById = await userModel.findById(convert);
    const iD = userfindById?._id
    return userfindById;
}

Answer:

ObjectId is just a type :
https://www.mongodb.com/docs/manual/reference/bson-types/#std-label-objectid
If you want to get the string you can extract with _id.toString(), if you want to store the string you should change the type of _id (or create a new property)

If you have better answer, please add a comment about this, thank you!

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