books/common/errors.js

class BaseError extends Error {
	constructor(status_code, ...params) {
		super(...params);
		this.status_code = status_code;
	}
}

class ValidationError extends BaseError {
	constructor(...params) { super(417, ...params); }
}

module.exports = {
	ValidationError: ValidationError,
	ValueError: class ValueError extends ValidationError { },
	NotFound: class NotFound extends BaseError {
		constructor(...params) { super(404, ...params); }
	},
	Forbidden: class Forbidden extends BaseError {
		constructor(...params) { super(403, ...params); }
	},
}