How to save an array of strings using mongoose schema

Question

I have this schema to represent a user:

const UserSchema = mongoose.Schema({
    username: {
        type: String,
        required: false
    },
    social: [{
        facebook: {
            type: String,
            required: false
        },
        twitter: {
            type: String,
            required: false
        }
    }]
});

how can I save values using this schema? What I am doing so far:

user.username = username;
user.social['facebook'] = facebook;
user.social['twitter'] = twitter;

await user.save();

this works for username but social is still an empty array. I also tried

user.social.facebook = facebook;
user.social.twitter = twitter;

same result:

 "social" : [ ]

NeNaD · Accepted Answer · 2022-04-07 18:47:34Z

1

Are you sure that you really want social field to be an array? Since it stores facebook and twitter accounts, it is logical that each user will have only one of these accounts. In that case, it is better if you define social to be object with nested properties. That is easier to maintain and it will work with your code.

social: {
  facebook: { type: String, required: false },
  twitter: { type: String, required: false }
}

If you really need social field to be an array, you can change your code like this:

user.username = username;
user.social[0] = {
  'facebook': facebook,
  'twitter': twitter,
};

await user.save();

answered Apr 7, 2022 at 18:47

NeNaD

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Comments

Shivam · Accepted Answer · 2022-04-07 18:39:43Z

1

Since social is an array of objects. Shouldn't you be doing

user.social[0].facebook = facebook;
user.social[0].twitter = twitter;

Right now you are trying to access property on object, but social is an array of objects

answered Apr 7, 2022 at 18:39

Shivam

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