TypeScript Dreams

This is a collection of TypeScript utilities and examples for use cases, including:

• context.ts - context using AsyncLocalStorage.
• decorators.ts - types and functions for creating decorators.

Installation

In order to use context.ts, run npm install zod. In order to use decorators.ts, enable decorators in your tsconfig.json file:

{
    "compilerOptions": {
        "experimentalDecorators": true
    }
}

Behind the Scenes

context.ts

Functions

• getContext - returns the current context.
• getZodContext - returns the current context if it fits the received schema, otherwise throws an error.
• runWithContext - runs a function with a new context.

decorators.ts

Types

• Func<Return> - a function that returns Return.
• MethodDesc<Return> - a descriptor for a method that returns Return.
• MethodDecorator - a decorator for a method.
• ClassDecorator - a decorator for a class.
• MethodDescValueGetter - a function that receives a method descriptor and the original method, and returns a new method.
• ExistingMethodDesc - a method descriptor with an existing method.

Functions

• getMethodsDescriptors - receives a class prototype and returns an array of existing method descriptors.
• getClassName - receives a class prototype and returns the class name.

Disclaimer

The code in this repository serves as a proof of concept and might not work in all cases. It is recommended to test it thoroughly before using it in a production environment. I encourage you to experiment with it and adjust it to your needs. If you find any issues or have suggestions for improvements, please let me know.