Add type support for error in next callback (#52)

fastify · Dec 3, 2018 · 44780ce · 44780ce
1 parent e0bbba6
commit 44780ce
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/fastify-plugin.d.ts b/fastify-plugin.d.ts
@@ -18,7 +18,7 @@ declare function fastifyPlugin<HttpServer, HttpRequest, HttpResponse, T>(
 ): fastify.Plugin<HttpServer, HttpRequest, HttpResponse, T>;
 
 declare namespace fastifyPlugin {
-  type nextCallback = () => void;
+  type nextCallback = (err?: Error) => void;
   interface PluginOptions {
     /** Bare-minimum version of Fastify for your plugin, just add the semver range that you need. */
     fastify?: string,
@@ -34,4 +34,4 @@ declare namespace fastifyPlugin {
   }
 }
 
-export = fastifyPlugin;
+export = fastifyPlugin;