Query users with a status of inner followers array

Working with Data Node.js Frameworks
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1

I have a User schema with followers array like below,

    const userSchema = new mongoose.Schema({
      firstname: {
        type: String,
        required: true,
      },
          lastname: {
        type: String,
        required: true,
      },
      followers: [{ type: ObjectId, ref: "User" }],
      following: [{ type: ObjectId, ref: "User" }],
    });

When i query for list of Users i need two extra fields isFollowing and isFollower
(isFollowing exists in my following array, isFollower exists in following array)