Nestjs class validator not working. Asking for help, clarificati

Nestjs class validator not working. Asking for help, clarification, or responding to other answers. This means validation of class instances where no actual validation takes place will fail instead of silently Aug 12, 2020 · Seems like NestJS Class Validation is not behaving the same in testing environment (with supertest) and in dev/prod environment (axios, Postman). Follow our guide for effective solutions and improve your code quality. Discover how to resolve issues with `class-validator` not working in `NestJS`. npm i --save class-validator class-transformer To configure, in main. Dec 9, 2022 · The latest 0. ts file is like this: import { IsNotEmpty, IsString, ValidateNested, IsNumber, IsD Apr 2, 2021 · Maybe it will help someone. Jan 25, 2018 · Maybe you should put 'class-validator' in peerDependencies or tell people in the docs that they have to remove nestjs/common's class-validator package when you add class-validator manually after installing nestjs/common. I'm using class-validator for request validation in NestJS really often. This works correctly when requesting to NestJS application Dec 8, 2018 · I want to validate body payload using class-validator in a nest. lock or in package. There is more than once class-validator version installed probably. json ? Not at all ! It turned out that my DTO had zero validation rules ! It's that simple : if you get a No metadata found. Quick look to the class-validator validation: If your object contains nested objects and you want the validator to perform their validation too, then you need to use the @ValidateNested Feb 15, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. This means validation of class instances where no actual validation takes place will fail instead of silently I'm trying to inject my users service into my validator constraint interface but it doesn't seem to work: import { ValidatorConstraintInterface, ValidatorConstraint, ValidationArguments, Jul 22, 2019 · Using class-validator, validation pipes I would like to mark some fields as required. My currency. Because this pipe uses the class-validator and class-transformer libraries, there are many options available. May 31, 2018 · You signed in with another tab or window. Apr 22, 2018 · npm install class-validator --save to install the dependency, do not remove node_modules in @nestjs/common but instead copy paste the installed class-validator from node_modules to your project files and reference to that directory as import Aug 12, 2020 · Seems like NestJS Class Validation is not behaving the same in testing environment (with supertest) and in dev/prod environment (axios, Postman). dto. A few days ago I needed to validate a nested object. 14. Should I install class-validator as a peer dependency ? Is it a problem in the yarn. You configure these settings via a configuration object passed to the pipe. nestJS class-validator: change requirement of property based on another property. $ npm i --save class-validator class-transformer Hint The ValidationPipe is exported from the @nestjs/common package. You signed out in another tab or window. It simply doesn't call the DTO to validate. If you use class-transformer then it will not automatically transform your nested objects into classes. Apr 8, 2019 · Class Validator @ValidateIf() not working properly. 3. You switched accounts on another tab or window. Provide details and share your research! But avoid …. ts file we need to invoke ValidationPipe() constructor function imported form @nestjs/common and pass it as a argument for app. find answers and collaborate at work with Stack Overflow for Teams May 20, 2020 · I am pretty sure this issue can be closed because nested validation is NOT broken: When using @ValidateNested() from class-validator then the property needs to be an instance of the desired class not a plain object. ---This Dec 9, 2022 · The latest 0. controller @Post() async create(@Bo Jun 14, 2020 · This one made me crazy. js we need to install class-validator and class-transformer. Dec 28, 2022 · I have some projects with nestjs, I've always used the class validator, but recently it doesn't seem to be working. With the above setting, every BaseDto's property is required, and every PartialDto is optional. 0. js controller. Nov 3, 2022 · I'd like to do a following body validation in my NestJs app: a and b are optional properties if one of them is supplied, otherwise one of them should be required payload: { a: 'some value', c: 'ano. This works correctly when requesting to NestJS application Jun 6, 2023 · In order to use class-validator in nest. useGlobalPipes method. 0 release of class-validator changed the default option for forbidUnknownValues from false to true. Reload to refresh your session. The old behavior can be restored by specifying forbidUnknownValues: false when providing ValidatorOptions to NestJS. bbgbpwp ovmzwz dmmn sch efxmjjx tpkwjsggs apuj oqtzr gzpmab zzsr