CODEWITHSUNDEEP
node.jsmongodbtypescriptexpressmongoose
DanyMartinez_
DanyMartinez_

Reputation: 181

Type 'Object' does not satisfy the constraint 'Document'

I am trying to run a MERN application to validate what it has, but it is sending me this error in several files.

Error: Type 'CatalogType' does not satisfy the constraint 'Document'. Type 'CatalogType' is missing the following properties from type 'Document': $ignore, $isDefault, $isDeleted, $isEmpty, and 45 more.ts(2344)

enter image description here

My code:

const {
      Types: { ObjectId },
    } = Schema;
    
    export interface CatalogType {
      _id: any;
      code: string;
      description: string;
      version: number;
    }
    
export interface CatalogDocumentType extends Document,CatalogType{
      _id: number;
    }
    
export const schema = new Schema<CatalogType>(
      {
        id: {
          type: ObjectId,
        },
        code: {
          type: String,
          required: true,
        },
        description: {
          type: String,
          required: false,
        },
        version: {
          type: Number,
          required: false,
        },
      },
      {
        timestamps: {
          currentTime: () => new TimeZone().getLocaleCSTfromGMT(),
        },
      },
    );
    
export const Model = model<CatalogDocumentType>('Catalog', schema);

Help me, please!

Upvotes: 0

Views: 2686

Answers (1)

Lin Du
Lin Du

Reputation: 102207

The generic parameters of generic class Schema has generic constraint, see index.d.ts.

class Schema<DocType extends Document = Document, M extends Model<DocType> = Model<DocType>> extends events.EventEmitter {/**..*/}

The generic parameter DocType Must meet Document type constraints. So the correct way is:

import { Schema, model, Document, Model } from 'mongoose';

const {
  Types: { ObjectId },
} = Schema;

export interface CatalogTypeDocument extends Document {
  _id: number;
  code: string;
  description: string;
  version: number;
}

export interface CatalogTypeModel extends Model<CatalogTypeDocument> {}

export const schema = new Schema<CatalogTypeDocument>({
  id: {
    type: ObjectId,
  },
  code: {
    type: String,
    required: true,
  },
  description: {
    type: String,
    required: false,
  },
  version: {
    type: Number,
    required: false,
  },
});

export const CatalogTypeModel = model<CatalogTypeDocument, CatalogTypeModel>('Catalog', schema);

For more info, see mongoosejs-typescript-docs

package versions:

"mongoose": "^5.11.9",
"@types/mongoose": "^5.10.3",
"typescript": "^3.7.2"

Upvotes: 4

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