nodenext compatibility (#207)

* declare namespace

* fix: use FastifyPluginAsync

* fix

Co-authored-by: Uzlopak <aras.abbasi@googlemail.com>

index.js

@@ -4,7 +4,7 @@ const { randomBytes } = require('crypto')
 const fp = require('fastify-plugin')
 const helmet = require('helmet')
 
-async function helmetPlugin (fastify, options) {
+async function fastifyHelmet (fastify, options) {
   // helmet will throw when any option is explicitly set to "true"
   // using ECMAScript destructuring is a clean workaround as we do not need to alter options
   const { enableCSPNonces, global, ...globalConfiguration } = options
@@ -138,9 +138,11 @@ function done (error) {
   if (error) throw error
 }
 
-module.exports = fp(helmetPlugin, {
+module.exports = fp(fastifyHelmet, {
   fastify: '4.x',
   name: '@fastify/helmet'
 })
+module.exports.default = fastifyHelmet
+module.exports.fastifyHelmet = fastifyHelmet
 
 module.exports.contentSecurityPolicy = helmet.contentSecurityPolicy

types/index.d.ts

@@ -4,7 +4,7 @@ import helmet, { contentSecurityPolicy, HelmetOptions } from 'helmet';
 declare module 'fastify' {
   export interface RouteShorthandOptions<
     RawServer extends RawServerBase = RawServerDefault
-  > extends FastifyHelmetRouteOptions {}
+  > extends fastifyHelmet.FastifyHelmetRouteOptions { }
 
   interface FastifyReply {
     cspNonce: {
@@ -14,20 +14,27 @@ declare module 'fastify' {
     helmet: (opts?: HelmetOptions) => typeof helmet
   }
 
-  export interface RouteOptions extends FastifyHelmetRouteOptions {}
+  export interface RouteOptions extends fastifyHelmet.FastifyHelmetRouteOptions { }
 }
 
-export interface FastifyHelmetRouteOptions {
-  helmet?: Omit<FastifyHelmetOptions, 'global'> | false;
-}
-
-export interface FastifyHelmetOptions extends NonNullable<HelmetOptions> {
-  enableCSPNonces?: boolean,
-  global?: boolean;
-}
-
-export const fastifyHelmet: FastifyPluginAsync<FastifyHelmetOptions> & {
+type FastifyHelmet = FastifyPluginAsync<fastifyHelmet.FastifyHelmetOptions> & {
   contentSecurityPolicy: typeof contentSecurityPolicy;
 };
 
-export default fastifyHelmet;
+declare namespace fastifyHelmet {
+
+  export interface FastifyHelmetRouteOptions {
+    helmet?: Omit<FastifyHelmetOptions, 'global'> | false;
+  }
+
+  export interface FastifyHelmetOptions extends NonNullable<HelmetOptions> {
+    enableCSPNonces?: boolean,
+    global?: boolean;
+  }
+
+  export const fastifyHelmet: FastifyHelmet
+  export { fastifyHelmet as default }
+}
+
+declare function fastifyHelmet(...params: Parameters<FastifyHelmet>): ReturnType<FastifyHelmet>
+export = fastifyHelmet