feat(AgmCoreModule): support loader config

Closes #609

src/core/core-module.ts

@@ -0,0 +1,39 @@
+import {ModuleWithProviders, NgModule, Provider, provide} from '@angular/core';
+
+import {SebmGoogleMap} from './directives/google-map';
+import {SebmGoogleMapCircle} from './directives/google-map-circle';
+import {SebmGoogleMapInfoWindow} from './directives/google-map-info-window';
+import {SebmGoogleMapMarker} from './directives/google-map-marker';
+import {SebmGoogleMapPolyline} from './directives/google-map-polyline';
+import {SebmGoogleMapPolylinePoint} from './directives/google-map-polyline-point';
+import {LazyMapsAPILoader} from './services/maps-api-loader/lazy-maps-api-loader';
+import {LazyMapsAPILoaderConfigLiteral, provideLazyMapsAPILoaderConfig} from './services/maps-api-loader/lazy-maps-api-loader';
+import {MapsAPILoader} from './services/maps-api-loader/maps-api-loader';
+import {BROWSER_GLOBALS_PROVIDERS} from './utils/browser-globals';
+
+const CORE_DIRECTIVES: any[] = [
+  SebmGoogleMap, SebmGoogleMapMarker, SebmGoogleMapInfoWindow, SebmGoogleMapCircle,
+  SebmGoogleMapPolyline, SebmGoogleMapPolylinePoint
+];
+
+/**
+ * The angular2-google-maps core module. Contains all Directives/Services/Pipes
+ * of the core module. Please use `AgmCoreModule.forRoot()` in your app module.
+ */
+@NgModule({declarations: CORE_DIRECTIVES, exports: CORE_DIRECTIVES})
+export class AgmCoreModule {
+  /**
+   * Please use this method when you register the module at the root level.
+   */
+  static forRoot(lazyMapsAPILoaderConfig?: LazyMapsAPILoaderConfigLiteral): ModuleWithProviders {
+    const providers: Provider[] =
+        [...BROWSER_GLOBALS_PROVIDERS, provide(MapsAPILoader, {useClass: LazyMapsAPILoader})];
+    if (lazyMapsAPILoaderConfig) {
+      providers.push(provideLazyMapsAPILoaderConfig(lazyMapsAPILoaderConfig));
+    }
+    return {
+      ngModule: AgmCoreModule,
+      providers: providers,
+    };
+  }
+}

src/core/index.ts

@@ -1,15 +1,3 @@
-import {ModuleWithProviders, NgModule, provide} from '@angular/core';
-
-import {SebmGoogleMap} from './directives/google-map';
-import {SebmGoogleMapCircle} from './directives/google-map-circle';
-import {SebmGoogleMapInfoWindow} from './directives/google-map-info-window';
-import {SebmGoogleMapMarker} from './directives/google-map-marker';
-import {SebmGoogleMapPolyline} from './directives/google-map-polyline';
-import {SebmGoogleMapPolylinePoint} from './directives/google-map-polyline-point';
-import {LazyMapsAPILoader} from './services/maps-api-loader/lazy-maps-api-loader';
-import {MapsAPILoader} from './services/maps-api-loader/maps-api-loader';
-import {BROWSER_GLOBALS_PROVIDERS} from './utils/browser-globals';
-
 // main modules
 export * from './directives';
 export * from './services';
@@ -18,26 +6,5 @@ export * from './map-types';
 // Google Maps types
 export {LatLngBounds, LatLng, LatLngLiteral, MapTypeStyle} from './services/google-maps-types';
 
-const GOOGLE_MAPS_PROVIDERS: any[] = [
-  BROWSER_GLOBALS_PROVIDERS,
-  provide(MapsAPILoader, {useClass: LazyMapsAPILoader}),
-];
-
-const CORE_DIRECTIVES: any[] = [
-  SebmGoogleMap, SebmGoogleMapMarker, SebmGoogleMapInfoWindow, SebmGoogleMapCircle,
-  SebmGoogleMapPolyline, SebmGoogleMapPolylinePoint
-];
-
-/**
- * The angular2-google-maps core module. Contains all Directives/Services/Pipes
- * of the core module. Please use `AgmCoreModule.forRoot()` in your app module.
- */
-@NgModule({declarations: CORE_DIRECTIVES, exports: CORE_DIRECTIVES})
-export class AgmCoreModule {
-  static forRoot(): ModuleWithProviders {
-    return {
-      ngModule: AgmCoreModule,
-      providers: GOOGLE_MAPS_PROVIDERS,
-    };
-  }
-}
+// core module
+export * from './core-module';