I have a field in a JOI schema that I would like to be optional (i.e. undefined is accepted, and null is also accepted), however if a value for it is supplied, it must be a positive integer. How mi...

I have Joi schema and want to add a custom validator for validating data which isn't possible with default Joi validators. Currently, I'm using the version 16.1.7 of Joi const method = (value, help...

I have the following schema: var testSchema = Joi.object().keys({ a: Joi.string(), b: Joi.string(), c: Joi.string().when('a', {'is': 'avalue', then: Joi.string().required()}) }); but I woul...

I'm using Joi package for server side Validation. I want to check if a given string is in a given list or if it is not in a given list.(define black list or white list for values) sth like an &quot...

I have a joi schema called user const user = { firstName: Joi.string() .min(2) .max(50) .required() .label('First Name'), lastName: Joi.string() .min(3) .max(50) .required() .label('Last...

I've got a function which enforces validation restrictions via obj.pattern. The key which I would like to validate is a formatted date which is provided to the function in the following format DD/...

I've created following Schema for validation using Joi: const createProfileSchema = Joi.object().keys({ username: Joi.string() .required() .message("username is required") .empty() .message("...

I'm looking into using Joi for api validation. I can't seem to confirm whether my schema is correct in that I want either the email or mobile to be required (but they both can't be empty/non exist...

I have implemented this code using JOI where the user has to send the userId and at least one of the keys from the body. How to implement the same using ZOD ?? params: Joi.object().keys({ userId:...

If I have two fields, I'd just like to validate when at least one field is a non empty string, but fail when both fields are empty strings. Something like this does not validate var schema = Joi....

I want to implement frontend validation with either Yup or Joi. From all the docs and articles that I've found, I've got to a couple of conclusions: Joi has better performance Joi is more po...

Using Joi schema validation, is it possible to validate against MongoDB ObjectID's? Something like this could be great: _id: Joi.ObjectId().required().error(errorParser),

I need to create dynamic schema to validate my api request query in node js using Joi validator depending on a key in the request query. Say the following below mentioned pattern are my valid queri...

I am using @hapi/joi for express validation and sanitation. When validating, certain validators are not working. In this one, not only does trim() not validate for white space at the beginning and ...

I read Node.js + Joi how to display a custom error messages? and am still having trouble. I have a schema like this: const create = validator.object().keys({ app: validator .string() .required()...

I am having an array of objects to validate from the specific schemas and if any of the objects matches with the given schemas, I want to validate against it and ignore other schemas and move to ne...

Simple joi validation snippet in javascript.It will simply return an error object when validation fails. validate.js const Joi =require("joi"); function validateObject (input) { const sc...

I am getting an array of objects to backend, where each object contains a service name. The structure looks like below [{"serviceName":"service1"}, {"serviceName":"service2"},..] when I get the...

I am trying to create nested schema in joi and it is throwing error [Error: Object schema cannot be a joi schema] var nestedSchema = joi.object({ b: joi.number() }); var base = joi.object({ a...

When using Joi.array().items(...) does this require that at least one item be present, even if no type matchers are marked as required?

i want that if the number of digits in the input field in less/more than 14(for example) then joi should return an error. how can i do this with the type of number not for string.

Let there be: const a = { b: Joi.alternatives().conditional("a", { is: "c", then: Joi.any(), otherwise: Joi.string().valid("d", "e").required(), }), a:...

Straight from the docs, alternatives.conditional: Adds a conditional alternative schema type, either based on another key value, or a schema peeking into the current value any.when: Adds conditi...

After installing joi on nestjs framework i'm trying to validate two property by joi something like: import Joi from 'joi'; ... ConfigModule.forRoot({ isGlobal: true, validationSchema: Joi.object(...

My schema is: const scenerioSchema = Joi.object({ drawingNode: Joi.object({ moduleRackOutputs: Joi.array() .items( Joi.object({ moduleId: Joi.string().required() }) ) .unique((a, b) => a...