mongoose populate array return empty results

Question

How to populate the items array with full object?

This is what I try to do:

const documentCollection = await DocumentCollection.find({})
    .populate({ path: 'items', populate: { path: 'documents', model: 'Document' } });

But items fields is empty in documentCollection. why? not sure what I missing here

Here is the mongoose model:

export const DocumentsCollection = mongoose.model('Document-Collection',
  new mongoose.Schema({
    name: { type: String },
    items: [
      {
        name: { type: String },
        documents: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Document' }],
      },
    ],
  })
);

export const Document = mongoose.model( 'Document',
  new mongoose.Schema(
    {
      name: { type: String },
      description: { type: String }
    },
    { timestamps: { createdAt: 'created_at', updatedAt: 'updated_at' } }
  )
);

Shlomi Levi · Accepted Answer · 2019-04-10 14:50:15Z

1

Try this:

const documentCollection = await DocumentCollection.find({})
    .populate('items.documents');

answered Apr 10, 2019 at 14:50

Shlomi Levi

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Comments

Moad Ennagi · Accepted Answer · 2019-04-10 14:44:35Z

0

I think you missed an 's' in documents.

const documentCollection = await DocumentCollection.find({})
    .populate({ path: 'items', populate: { path: 'documents', model: 'Document' } });

edited Apr 10, 2019 at 14:44

answered Apr 10, 2019 at 14:42

Moad Ennagi

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2 Comments

Moad Ennagi Over a year ago

I have edited my answer, I think you missed an s in path: 'documents'

Jon Sud Over a year ago

still happened.

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