import { errorCodes } from '../../fastify.js' import t from 'tap' t.test('errorCodes in ESM', async t => { // test a custom fastify error using errorCodes with ESM const customError = errorCodes.FST_ERR_VALIDATION('custom error message') t.ok(typeof customError !== 'undefined') t.ok(customError instanceof errorCodes.FST_ERR_VALIDATION) t.equal(customError.message, 'custom error message') })