nodenext compatibility (#88)

Author: Uzlopak

index.js

@@ -48,3 +48,5 @@ function createError (code, message, statusCode = 500, Base = Error) {
 }
 
 module.exports = createError
+module.exports.default = createError
+module.exports.createError = createError

types/index.d.ts

@@ -1,22 +1,21 @@
-export = createError
-
-declare function createError (
-  code: string,
-  message: string,
-  statusCode?: number,
-  Base?: Error
-): createError.FastifyErrorConstructor
+type CreateError = (code: string, message: string, statusCode?: number, Base?: Error) => createError.FastifyErrorConstructor
 
 declare namespace createError {
-  interface FastifyError extends Error {
+  export interface FastifyError extends Error {
     code: string;
     name: string;
     statusCode?: number;
   }
 
-  interface FastifyErrorConstructor {
+  export interface FastifyErrorConstructor {
     new(a?: any, b?: any, c?: any): FastifyError;
     (a?: any, b?: any, c?: any): FastifyError;
     readonly prototype: FastifyError;
   }
+
+  export const createError: CreateError
+  export { createError as default }
 }
+
+declare function createError(...params: Parameters<CreateError>): ReturnType<CreateError>
+export = createError