class-validator Questions
5
I want to create a NestJs API with TypeORM and MongoDB. My entity id fields are of type ObjectID. The controller routes should validate the incoming ids before passing them to the services. I know ...
Dentiform asked 19/2, 2020 at 14:46
3
Solved
I'm writing a registration endpoint for an api i'm working on and i'm using nestjs and class-validator to validate the input data.
The user can register using either their phone number or email add...
Feminacy asked 30/6, 2019 at 17:22
3
How to do validation with database like unique filed validation in nest JS using the class validator?
I created a custom validation class and tried it. But userService was undefined when I console ...
Stratify asked 7/3, 2023 at 9:51
7
Solved
I'm setting up a new NestJS application, and I've just added class-validator in order to validate controller input, but it seems to be completely ignored. This is the DTO:
import {IsString} from '...
Willful asked 10/3, 2020 at 11:41
4
Solved
I'm trying to inject my users service into my validator constraint interface but it doesn't seem to work:
import { ValidatorConstraintInterface, ValidatorConstraint, ValidationArguments, registerD...
Peart asked 4/2, 2020 at 17:8
3
I am trying to validate an array of objects using DTO in nestjs. I have tried it but the data is not getting validated. I tried to search a lot but didn't get any answer.
These are my files:
trivia...
Bread asked 21/5, 2021 at 5:40
2
Solved
I am working on a nest project, and using class-validator for validation.
Currently if there is any validation error, I am getting error response as
{
"statusCode": 400,
"message&q...
Wagonage asked 27/2, 2023 at 14:22
3
Solved
I'm trying to find a nice way to validate a body using DTO (using the brilliant class-validator and class-transformer libraries). It works really well, even for nested structures but in my case I'd...
Monseigneur asked 5/1, 2019 at 22:47
11
Solved
Today, I am trying to figure out how to validate a Sign Up form in the backend side (NestJS) of the app. I am just wondering if exists a way to validate password and passwordConfirm matching, using...
Ergograph asked 28/2, 2020 at 12:2
1
I have a NestJs dto that looks like this
import { IsEmail, IsNotEmpty, IsNotIn } from 'class-validator';
import { AppService } from './app.service';
const restrictedNames = ['Name Inc', 'Acme Inc']...
Conker asked 22/5, 2023 at 5:47
4
Solved
I am trying to use a ValidationPipe but no matter how I write my code I get the following warning when sending a request: No metadata found. There is more than once class-validator version installe...
Dougald asked 3/4, 2019 at 9:1
3
Solved
Is there a way to set the execution order of decorators when describing a DTO class in NestJS using class-validator and class-transformer packages ?
Following code fails when the value of foo is se...
Yakka asked 7/9, 2021 at 8:39
6
Solved
import { isEmail, isEmpty, isPhoneNumber, Length } from "class-validator"
import { Field, InputType } from "type-graphql";
@InputType()
export class RegisterInput {
@Field()
...
Liebman asked 11/4, 2021 at 13:9
2
Solved
I'm trying to validate the number of digits for numeric values using class-validator. For example: my entity can accept only numbers of 6 digits for a given property. This way
const user1 = new Use...
Ejaculatory asked 17/2, 2022 at 14:20
7
Solved
I'm new to NestJS and I am trying to fill a filter DTO from query Parameters.
Here is what I have:
Query:
localhost:3000/api/checklists?stations=114630,114666,114667,114668
Controller
@Get()
p...
Stere asked 11/12, 2019 at 16:1
2
Solved
I'm trying to validate the parameters that come in the query of a get request, but for some reason, the validation pipe is unable to identify the elements of the query.
import {
Controller,
Post...
Szymanski asked 29/3, 2019 at 18:47
2
That's the error thrown by class-validator. Here is the code for my dto:
export class UpdateEntryBodyDto {
@ApiProperty()
@Type(() => Number)
@IsNumber()
id: number;
@ApiProperty()
@IsStr...
Eratosthenes asked 6/7, 2020 at 15:51
2
Solved
Is it possible to return a custom error response from class-validator inside of NestJs.
NestJS currently returns an error message like this:
{
"statusCode": 400,
"error": "Bad Request",
"messa...
Soracco asked 6/9, 2019 at 10:44
1
I have a NestJS project in which I'm using both class validator and class transformer, and I need the class-transformer to execute before the class-validator throws an error.
Given the following c...
Eatables asked 12/12, 2019 at 17:22
3
Solved
Using class-validator along with NestJS I want to validate that a user provides either propertyA or a propertyB but they don't need to provide both.
Currently, I'm doing something like:
export clas...
Elaelaborate asked 5/2, 2022 at 0:38
2
Is it possible to inject execution context or access current request in nestJs (class-validator => custom validator) ?
import { ValidatorConstraint, ValidatorConstraintInterface, ValidationArgumen...
Octahedrite asked 13/9, 2018 at 16:4
9
Consider this endpoint in my API:
@Post('/convert')
@UseInterceptors(FileInterceptor('image'))
convert(
@UploadedFile() image: any,
@Body(
new ValidationPipe({
validationError: {
target: fa...
Erdrich asked 26/11, 2019 at 8:28
2
Solved
In the nest.js application on controller level I have to validate DTO.
I've faced with difficulty to check if item is not null (request should be rejected if any list item is null or undefined)
Cod...
Ytterbium asked 4/10, 2021 at 15:5
5
Let's have this controller in NestJS project:
@Post('resetpassword')
@HttpCode(200)
async requestPasswordReset(
@Body() body: RequestPasswordResetDTO,
): Promise<boolean> {
try {
retu...
Roan asked 17/2, 2020 at 21:13
2
Solved
How to check whether the array is empty or not using class-validator.
Given below is my structure. I want to check if cartId is empty or not.
{
"cartId": []
}
Grenadine asked 17/4, 2020 at 6:5
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