fix constructor typing unmatch

package.json

@@ -163,7 +163,7 @@
     "tslint-eslint-rules": "^5.1.0",
     "tslint-jsdoc-rules": "^0.1.0",
     "tuling123-client": "^0.0.1",
-    "typescript": "^2.8.3"
+    "typescript": "^2.9.0-dev.20180509"
   },
   "files_comment__whitelist_npm_publish": "http://stackoverflow.com/a/8617868/1123955",
   "files": [

src/puppet/puppet.ts

@@ -94,15 +94,16 @@ export interface PuppetOptions {
  * Abstract Puppet Class
  */
 export abstract class Puppet extends EventEmitter implements Sayable {
-  public readonly state: StateSwitch
+  public readonly state   : StateSwitch
+  public readonly classes : PuppetClasses
 
   protected readonly watchdog: Watchdog
 
   private readonly pkg: normalize.Package
 
   constructor(
-    public options: PuppetOptions,
-    public classes: PuppetClasses,
+    public options:   PuppetOptions,
+    classes?:         PuppetClasses,
   ) {
     super()
 
@@ -114,6 +115,10 @@ export abstract class Puppet extends EventEmitter implements Sayable {
     /**
      * 1. Check Classes for inherience correctly
      */
+    if (!classes) {
+      throw new Error('no classes found')
+    }
+
     // https://stackoverflow.com/questions/14486110/how-to-check-if-a-javascript-class-inherits-another-without-creating-an-obj
     const check = classes.Contact.prototype        instanceof Contact
                 && classes.FriendRequest.prototype instanceof FriendRequest
@@ -123,6 +128,7 @@ export abstract class Puppet extends EventEmitter implements Sayable {
     if (!check) {
       throw new Error('Puppet must set classes right! https://github.com/Chatie/wechaty/issues/1167')
     }
+    this.classes = classes
 
     /**
      * 2. Load the package.json for Puppet Plugin version range matching

src/wechaty.ts

@@ -22,7 +22,7 @@ import * as os      from 'os'
 import * as semver  from 'semver'
 
 import {
-  // Constructor,
+  Constructor,
   cloneClass,
   instanceToClass,
 }                   from 'clone-class'
@@ -372,10 +372,15 @@ export class Wechaty extends PuppetAccessory implements Sayable {
      * 1. Init the Puppet
      */
     if (typeof this.options.puppet === 'string') {
-      puppet = new PUPPET_DICT[this.options.puppet]({
+      // tslint:disable-next-line:variable-name
+      const MyPuppet = PUPPET_DICT[this.options.puppet] as typeof Puppet & Constructor<Puppet>
+      const options = {
         profile:  this.profile,
         wechaty:  this,
-      })
+      }
+
+      puppet = new MyPuppet(options)
+
     } else if (this.options.puppet instanceof Puppet) {
       puppet = this.options.puppet
     } else {