Custom error class in TypeScript

Question

I\'d like to create my own error class in TypeScript, extending core Error to provide better error handling and customized reporting. For example, I want to cre

Answer 1

There is a neat library for this at https://www.npmjs.com/package/ts-custom-error

ts-custom-error allow you to create error custom Error very easily:

import { CustomError } from 'ts-custom-error'
 
class HttpError extends CustomError {
    public constructor(
        public code: number,
        message?: string,
    ) {
        super(message)
    }
}

usage:

new HttpError(404, 'Not found')