feat(): add middleware support & refactor

lib/helpers/create-scene-listener-decorator.helper.ts

@@ -0,0 +1,18 @@
+import { SetMetadata } from '@nestjs/common';
+import { BaseScene as Scene } from 'telegraf';
+import { ComposerMethodArgs, SceneMethods } from '../telegraf.types';
+import { UPDATE_LISTENER_METADATA } from '../telegraf.constants';
+import { ListenerMetadata } from '../interfaces';
+
+export function createSceneListenerDecorator<Method extends SceneMethods>(
+  method: Method,
+) {
+  return (
+    ...args: ComposerMethodArgs<Scene<never>, Method>
+  ): MethodDecorator => {
+    return SetMetadata(UPDATE_LISTENER_METADATA, {
+      method,
+      args,
+    } as ListenerMetadata);
+  };
+}

lib/helpers/create-update-listener-decorator.helper.ts

@@ -1,12 +1,15 @@
 import { SetMetadata } from '@nestjs/common';
-import { UpdateMethodArgs, UpdateMethods } from '../telegraf.types';
+import { Composer } from 'telegraf';
+import { ComposerMethodArgs, UpdateMethods } from '../telegraf.types';
 import { UPDATE_LISTENER_METADATA } from '../telegraf.constants';
 import { ListenerMetadata } from '../interfaces';
 
-export function createUpdateDecorator<Method extends UpdateMethods>(
+export function createUpdateListenerDecorator<Method extends UpdateMethods>(
   method: Method,
 ) {
-  return (...args: UpdateMethodArgs<Method>): MethodDecorator => {
+  return (
+    ...args: ComposerMethodArgs<Composer<never>, Method>
+  ): MethodDecorator => {
     return SetMetadata(UPDATE_LISTENER_METADATA, {
       method,
       args,

lib/helpers/index.ts

@@ -1 +1,2 @@
-export * from './create-update-decorator.helper';
+export * from './create-update-listener-decorator.helper';
+export * from './create-scene-listener-decorator.helper';