Prevent accidental deletion of the entire document in mongoose (express.js) by selectively removing only a specific string from an array

Question

Prevent accidental deletion of the entire document in mongoose (express.js) by selectively removing only a specific string from an array

Hey there, I'm new to this platform and my English isn't great, so apologies if I don't grasp all the nuances of my issue.

I have a question about why the findOneAndDelete() method in Mongoose is deleting all documents instead of just deleting a specific string in an array.

Here is the Mongoose document in my collection: document link

What I need exactly is to remove the string [.1]-uk from the array in my socketController (Node.js/Express.js Server) if that string matches the result value after conversion. Here is the server side code I've tried using findOneAndDelete({name: result}), but it either deletes the whole document or doesn't work at all with $pull.

Thank you in advance for any help!

javascript mongodb express mongoose server

Answer 1

Answer №1

I have successfully identified the solution to my problem.

$pull operates in conjunction with another command such as $in

Therefore, the correct way to implement it is as follows:

const updatedData = await Database.updateOne(queryCondition, {
                                       $pull: {
                                          keyName:{
                                            $in: [dataToPull]
                                          }
                                       }
                                    })

Answer 2

I have successfully identified the solution to my problem.

$pull operates in conjunction with another command such as $in

Therefore, the correct way to implement it is as follows:

const updatedData = await Database.updateOne(queryCondition, {
                                       $pull: {
                                          keyName:{
                                            $in: [dataToPull]
                                          }
                                       }
                                    })

Prevent accidental deletion of the entire document in mongoose (express.js) by selectively removing only a specific string from an array

Answer №1

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