fix(angular): Config provider

angular/src/module.ts

@@ -4,6 +4,7 @@ import { CommonModule } from '@angular/common';
 import * as c from './directives';
 import * as d from './directives/proxies';
 import * as p from './providers';
+import { setupConfig } from '@ionic/core';
 
 
 const DECLARATIONS = [
@@ -120,6 +121,7 @@ const PROVIDERS = [
   p.Platform,
   p.Events,
   p.DomController,
+  p.Config
 ];
 
 @NgModule({
@@ -136,21 +138,12 @@ const PROVIDERS = [
 })
 export class IonicModule {
   static forRoot(config?: {[key: string]: any}): ModuleWithProviders {
+    setupConfig(config);
     return {
       ngModule: IonicModule,
-      providers: [
-        // Load config with defualt values
-        { provide: ConfigToken, useValue: config },
-        { provide: p.Config, useFactory: setupConfig, deps: [ ConfigToken ] },
-
-        ...PROVIDERS,
-      ]
+      providers: PROVIDERS
     };
   }
 }
 
 export const ConfigToken = new InjectionToken<any>('USERCONFIG');
-export function setupConfig(userConfig: any): p.Config {
-  const config = new p.Config(userConfig);
-  return config;
-}

angular/src/providers/config.ts

@@ -1,19 +1,9 @@
 import { Config as CoreConfig } from '@ionic/core';
+import { Injectable } from '@angular/core';
 
+@Injectable()
 export class Config {
 
-  constructor(defaultConfig: {[key: string]: any}) {
-    const Ionic = (window as any).Ionic;
-    if (Ionic.config && Ionic.config.constructor.name !== 'Object') {
-      console.error('ionic config was already initialized');
-      return;
-    }
-    Ionic.config = {
-      ...Ionic.config,
-      ...defaultConfig
-    };
-  }
-
   get(key: string, fallback?: any): any {
     return getConfig().get(key, fallback);
   }