refactor(): complex refactoring

lib/interfaces/context-transformer.interface.ts

@@ -0,0 +1,5 @@
+import { ContextMessageUpdate } from 'telegraf'
+
+export interface ContextTransformer<T = any> {
+  transform: (ctx: ContextMessageUpdate) => Promise<T>
+}

lib/interfaces/handle-parameters.interface.ts

@@ -0,0 +1,14 @@
+import { ContextTransformer } from './'
+import { Type } from '@nestjs/common'
+
+interface ArgumentTransformation {
+  index: number
+  transform: Type<ContextTransformer>
+}
+
+export interface HandleParameters {
+  onStart?: boolean
+  command?: string
+  message?: string | RegExp
+  transformations?: ArgumentTransformation[]
+}

lib/interfaces/handler.interface.ts

@@ -0,0 +1,6 @@
+import { HandleParameters } from './'
+
+export interface Handler {
+  handle: (...args: any[]) => Promise<void>
+  config: HandleParameters
+}

lib/interfaces/index.ts

@@ -1 +1,5 @@
 export * from './telegraf-options.interface'
+export * from './handler.interface'
+export * from './handle-parameters.interface'
+export * from './telegram-error-handler.interface'
+export * from './context-transformer.interface'