How to use the isValidObjectId function from mongoose

Find comprehensive JavaScript mongoose.isValidObjectId code examples handpicked from public code repositorys.

mongoose.isValidObjectId is a function provided by Mongoose that checks whether a given value is a valid MongoDB ObjectId.

user-controller.js

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/**================ GET ONE USER ==================== */
async getUser({ params }, res) {
  try {
    const { usernameorid } = params;
    // Check if usernameoruserid is a valid ObjectId
    const isValidObjectId = mongoose.isValidObjectId(usernameorid);

    let user;
    if (isValidObjectId) {
      // Find user by id

+ 2 other calls in file

validator.js

GitHub: sarojrani/conversa.ai-assignment

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//to check validation of objectId
const isValidObjectId = (objectId) => {
  return mongoose.isValidObjectId(objectId)
}


module.exports = {isValid,isValidObjectId,isValidRequestBody,isValidFiles}

How does mongoose.isValidObjectId work?

mongoose.isValidObjectId is a function provided by the Mongoose library that takes in a value and checks whether it is a valid MongoDB ObjectId by performing a series of checks, including verifying the length and hexadecimal format of the value, and verifying that it can be converted to a MongoDB ObjectId instance. If the value passes all of the checks, the function returns true. Otherwise, it returns false, indicating that the value is not a valid MongoDB ObjectId. This function can be useful for validating user input or other data that is expected to represent MongoDB ObjectIds in a Mongoose application.

CongViec.controller.js

GitHub: anb1906423/be-find-job

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//         'Dữ liệu không được để trống!'))
// }

const { id } = req.params;
const condition = {
    _id: id && mongoose.isValidObjectId(id) ? id : null,
};

const [error, document] = await handlePromise(
    CongViec.findOneAndUpdate(condition, req.body, {

validations.js

GitHub: dixtinox/Code-Rolls-Talent-Land-2023

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      default:
        return false;
    }
  };
const isObjectIdValid = (id) => {
    return mongoose.isValidObjectId(id) && id.length === 24;
  };
  module.exports = {
    isvalidatGender,
    isObjectIdValid,

Ai Example

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const mongoose = require("mongoose");

const invalidId = "notanobjectid";
const validId = new mongoose.Types.ObjectId();

console.log(mongoose.isValidObjectId(invalidId)); // false
console.log(mongoose.isValidObjectId(validId)); // true

In this example, we use mongoose.isValidObjectId to check whether two values are valid MongoDB ObjectIds. The first value, 'notanobjectid', fails the checks and returns false, while the second value, a newly created MongoDB ObjectId instance, passes the checks and returns true. Note that in order to use mongoose.isValidObjectId, you need to have the Mongoose library installed and imported in your application.

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