D-Net

//import {MaterialModule} from '@angular/material';

import { NgModule } from '@angular/core';

import { FormsModule } from '@angular/forms';

import { RouterModule } from '@angular/router';

import { UniversalModule, isBrowser, isNode } from 'angular2-universal/node'; // for AoT we need to manually split universal packages

import { AppModule, AppComponent } from './app/app.module';

import { SharedModule } from './app/shared/shared.module';

import { CacheService } from './app/shared/cache.service';

// Will be merged into @angular/platform-browser in a later release

// see https://github.com/angular/angular/pull/12322

import { Meta } from './angular2-meta';

export function getLRU() {

  return new Map();

}

export function getRequest() {

  return Zone.current.get('req') || {};

}

export function getResponse() {

  return Zone.current.get('res') || {};

}

// TODO(gdi2290): refactor into Universal

export const UNIVERSAL_KEY = 'UNIVERSAL_CACHE';

@NgModule({

  bootstrap: [ AppComponent ],

  imports: [

    //MaterialModule.forRoot(),// should be included first

    UniversalModule, // BrowserModule, HttpModule, and JsonpModule are included

    FormsModule,

    RouterModule.forRoot([], { useHash: false }),

    SharedModule.forRoot(),

    AppModule,

  ],

  providers: [

    { provide: 'isBrowser', useValue: isBrowser },

    { provide: 'isNode', useValue: isNode },

    { provide: 'req', useFactory: getRequest },

    { provide: 'res', useFactory: getResponse },

    { provide: 'LRU', useFactory: getLRU, deps: [] },

    CacheService,

    Meta

  ]

})

export class MainModule {

  constructor(public cache: CacheService) {

  }

  /**

   * We need to use the arrow function here to bind the context as this is a gotcha

   * in Universal for now until it's fixed

   */

  universalDoDehydrate = (universalCache) => {

    universalCache[CacheService.KEY] = JSON.stringify(this.cache.dehydrate());

  }

 /**

  * Clear the cache after it's rendered

  */

  universalAfterDehydrate = () => {

    // comment out if LRU provided at platform level to be shared between each user

    this.cache.clear();

  }

}