core: ng build - Unexpected token import error.

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H:\d\node_modules\@ngx-translate\core\index.js:1
(function (exports, require, module, __filename, __dirname) { import { NgModule
} from "@angular/core";
                                                              ^^^^^^
SyntaxError: Unexpected token import
    at createScript (vm.js:53:10)
    at Object.runInThisContext (vm.js:95:10)
    at Module._compile (module.js:543:28)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (H:\d\dist\ngfactory\src\app\app.server.module.ngfacto
ry.ts:18:1)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! d@0.0.0 build: `ts-node src/server.ts`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the d@0.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional log
ging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\ChrisR\AppData\Roaming\npm-cache\_logs\2017-06-26T16_41_10
_806Z-debug.log

app.server.ts

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

import { ServerModule } from '@angular/platform-server'

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

// TRANSLATE
import { TranslateModule, TranslateLoader, TranslateService } from '@ngx-translate/core';
import { translateLoaderFactory } from './core/services/translate.service';

@NgModule({
    imports: [

        ServerModule,
        AppModule,

        // TRANSLATE
        TranslateModule.forRoot({
            loader: {
                provide: TranslateLoader,
                useFactory: translateLoaderFactory
            }
        })        
    ],
    bootstrap: [ AppComponent ]
})

export class AppServerModule {}

server.ts

import 'reflect-metadata';
import 'zone.js/dist/zone-node';
import { platformServer, renderModuleFactory } from '@angular/platform-server'
import { enableProdMode } from '@angular/core'
import { AppServerModuleNgFactory } from '../dist/ngfactory/src/app/app.server.module.ngfactory'
import * as express from 'express';
import { readFileSync } from 'fs';
import { join } from 'path';

const PORT = 4000;

enableProdMode();

const app = express();

let template = readFileSync(join(__dirname, '..', 'dist', 'index.html')).toString();

app.engine('html', (_, options, callback) => {
  const opts = { document: template, url: options.req.url };

  renderModuleFactory(AppServerModuleNgFactory, opts)
    .then(html => callback(null, html));
});

app.set('view engine', 'html');
app.set('views', 'src')

app.get('*.*', express.static(join(__dirname, '..', 'dist')));

app.get('*', (req, res) => {
  res.render('index', { req });
});

app.listen(PORT, () => {
  console.log(`listening on http://localhost:${PORT}!`);
});