mongoose-backpack

const mongoose = require("mongoose");
const Schema = mongoose.Schema;

// ...

const { appendParams } = require("mongoose-backpack");

// ...
// ...

const userSchema = new Schema(
  {
    first_name: {
      type: String,
      required: true,
    },
    last_name: {
      type: String,
      required: true,
    },
    email: {
      type: String,
      required: true,
    },
    // ...
    // ...
  },
  { timestamps: true }
);

// ...
// ...

appendData = {
  id: function () {
    return this._id;
  },
  full_name: function () {
    return this.first_name + " " + this.last_name;
  },
};
appendParams(userSchema, appendData);

// ...
// ...

module.exports = mongoose.model("User", userSchema);

const express = require("express");
const router = express.Router();
const User = require("../models/user");

const authRoutes = require("./moduleRoute/auth");
const { mongooseRouteName } = require("mongoose-backpack");

// auth routes
router.use("/", authRoutes);

// Mount the router for the "people" route
router.use("/people", mongooseRouteName("people", User));

module.exports = router;