// handlers/resource.js
reply.code(404).send({ error: 'Not Found' });

// handlers/container.js
reply.code(400).send({ error: 'Slug header too long' });

// Some include message field, some don't
reply.code(403).send({ error: 'Forbidden', message: 'Access denied' });
reply.code(404).send({ error: 'Not Found' }); // no message

// Some wrap in try/catch, some don't

// src/utils/errors.js

export const ErrorCodes = {
  NOT_FOUND: { code: 404, error: 'Not Found' },
  FORBIDDEN: { code: 403, error: 'Forbidden' },
  UNAUTHORIZED: { code: 401, error: 'Unauthorized' },
  BAD_REQUEST: { code: 400, error: 'Bad Request' },
  CONFLICT: { code: 409, error: 'Conflict' },
  PAYLOAD_TOO_LARGE: { code: 413, error: 'Payload Too Large' },
  UNSUPPORTED_MEDIA: { code: 415, error: 'Unsupported Media Type' },
  INTERNAL_ERROR: { code: 500, error: 'Internal Server Error' }
};

export function sendError(reply, errorType, message = '') {
  const { code, error } = errorType;
  return reply.code(code).send({ error, message });
}

import { sendError, ErrorCodes } from '../utils/errors.js';

// Before
reply.code(404).send({ error: 'Not Found' });

// After
sendError(reply, ErrorCodes.NOT_FOUND, 'Resource does not exist');