Read more about the article Nestjs “IsUnique” validation (custom validator with database query) for email, username, or any column or field
Nestjs custom validation codes

Nestjs “IsUnique” validation (custom validator with database query) for email, username, or any column or field

  • Post category:Node.js
  • Post last modified:November 1, 2023
  • Reading time:2 mins read

In this tutorial, we're going to implement IsUnique custom validation in Nestjs to check if a database value (e.g. email, username, etc.) is unique or not, using class-validator. We'll see…

Continue ReadingNestjs “IsUnique” validation (custom validator with database query) for email, username, or any column or field