lux-framework/src/packages/server/utils/create-server-error.js

Build scalable, Node.js-powered REST APIs with almost no code.

// @flow
import setType from '../../../utils/set-type';
import type { Server$Error } from '../interfaces';

/**
 * @private
 */
export default function createServerError<T: any>(
  Target: Class<T>,
  statusCode: number
): Class<T> & Class<Server$Error> {
  return setType(() => {
    const ServerError = class extends Target {
      statusCode: number;

      constructor(...args: Array<mixed>) {
        super(...args);
        this.statusCode = statusCode;
      }
    };

    Reflect.defineProperty(ServerError, 'name', {
      value: Target.name
    });

    return ServerError;
  });
}