ByPanos
In this post we will try to focus on how to start implementing the class-validator and class-transformer libraries. Both of them are widely used tools for validating REST API Requests’ data and/or transform your API Responses before to send them back to the client.
ByPanos
MongoDB is a very popular free and open-source cross-platform document-oriented database. It is a NoSQL database and it is based on JSON-like documents. Document-based databases are either schema-less or they provide a certain level of flexibility defining schemas using schema validation rules.
The purpose of this post is to demonstrate how we can apply some schema validation rules in a collection.
ByPanos
This is simply a reference list of some of the basic yet commonly used git commands. For further details, you can always refer to git documentation.
ByPanos
NestJS provides the necessary documentation for working with different environments (development, production, etc.) using external configuration files and environment variables. So, if you have already taken a look there, then the below provided cases, will give you a hand to start implementing your (relatively simple) project as well.
ByPanos
A circular dependency occurs when two classes depend on each other. For example, class A needs class B, and class B also needs class A. Circular dependencies can arise in Nest between modules and between providers.
Here, you can get a nice grasp on how you can avoid the Circular Dependency in Nest.js.
