feat: add some typings

src/alice.ts

@@ -21,7 +21,7 @@ import {
 
 import aliceStateMiddleware from './middlewares/aliceStateMiddleware'
 
-import { IConfig } from './types/alice'
+import { IConfig, IAlice } from './types/alice'
 import { ICommand } from './types/command'
 import { IContext } from './types/context'
 import { WebhookResponse, WebhookRequest } from './types/webhook'
@@ -39,7 +39,7 @@ import {
 const DEFAULT_SESSIONS_LIMIT: number = 1000
 const DEFAULT_RESPONSE_TIMEOUT = 1200
 
-export default class Alice {
+export default class Alice implements IAlice {
  public scenes: Scene[]
 
  protected anyCallback: (ctx: IContext) => void
@@ -86,7 +86,7 @@ export default class Alice {
  * @param {Function} middleware - function, that receives {context}
  * and makes some modifications with it.
  */
- public use(middleware) {
+ public use(middleware: (IContext: IContext) => IContext): void {
  if (!isFunction(middleware)) {
  throw new Error('Any middleware could only be a function.')
  }
@@ -98,14 +98,14 @@ export default class Alice {
  * @param {string | Array<string> | regex} name — Trigger for the command
  * @param {Function} callback — Handler for the command
  */
- public command(name, callback) {
+ public command(name: ICommand, callback: (IContext) => void) {
  this.commands.add(name, callback)
  }
 
  /*
  * Стартовая команда на начало сессии
  */
- public welcome(callback) {
+ public welcome(callback: (IContext) => void): void {
  this.welcomeCallback = callback
  }
 
@@ -114,7 +114,7 @@ export default class Alice {
  * которую запросил пользователь,
  * вызывается этот колбек
  */
- public any(callback) {
+ public any(callback: (IContext) => void): void {
  this.anyCallback = callback
  }
 

src/types/alice.d.ts

@@ -1,3 +1,6 @@
+import { IContext } from './context'
+import { ICommand } from './command'
+
 export interface IConfig {
  fuseOptions?: {}
  sessionsLimit?: number
@@ -6,3 +9,8 @@ export interface IConfig {
  devServerUrl?: string
  responseTimeout?: number
 }
+
+export interface IAlice {
+ command(name: ICommand, callback: (IContext) => void): void
+ use(middleware: (IContext: IContext) => IContext): void
+}

src/utils/index.ts

@@ -46,7 +46,7 @@ export const selectCommand = (req): string => req.request.command
 export const selectSession = (req) => req.session
 export const selectSessionId = (req) => selectSession(req).session_id
 export const selectUserId = (req) => selectSession(req).user_id
-export const isFunction = (fn: () => void) => fn && typeof fn === 'function'
+export const isFunction = (fn: (args: any) => any) => fn && typeof fn === 'function'
 export const delay = (ms: number): Promise<void> => new Promise((resolve) => setTimeout(resolve, ms))
 export const rejectsIn = (ms: number) => new Promise((resolve, reject) => setTimeout(reject, ms))