refactor(app): fix typo in InteralStateType (PatrickJS#1083)

Renamed `InteralStateType` to `InternalStateType`.

Author: olegskl

src/app/app.module.ts

@@ -13,7 +13,7 @@ import { ROUTES } from './app.routes';
 // App is our top level component
 import { App } from './app.component';
 import { APP_RESOLVER_PROVIDERS } from './app.resolver';
-import { AppState, InteralStateType } from './app.service';
+import { AppState, InternalStateType } from './app.service';
 import { Home } from './home';
 import { About } from './about';
 import { NoContent } from './no-content';
@@ -26,7 +26,7 @@ const APP_PROVIDERS = [
 ];
 
 type StoreType = {
-  state: InteralStateType,
+  state: InternalStateType,
   restoreInputValues: () => void,
   disposeOldHosts: () => void
 };

src/app/app.service.ts

@@ -1,12 +1,12 @@
 import { Injectable } from '@angular/core';
 
-export type InteralStateType = {
+export type InternalStateType = {
   [key: string]: any
 };
 
 @Injectable()
 export class AppState {
-  _state: InteralStateType = { };
+  _state: InternalStateType = { };
 
   constructor() {
 
@@ -34,7 +34,7 @@ export class AppState {
   }
 
 
-  private _clone(object: InteralStateType) {
+  private _clone(object: InternalStateType) {
     // simple object clone
     return JSON.parse(JSON.stringify( object ));
   }