Nestjs IsUnique custom validation (with database query) for email, username, etc
Let's implement IsUnique custom validation in Nestjs to check if a value (e.g. email, username, etc.) is unique or not, by querying the database.
Blog post: https://zestmade.com/blog/nestjs-uniq...
Git repository for the project: https://github.com/ZestArinze/nestjs-...