npm install -g @angular/cli

ng new HowToKeepAngularSizeSmall

ng serve --open --prod

"@agm/core": "^1.0.0-beta.5",
"@angular/flex-layout": "^7.0.0-beta.23",
"@angular/material": "^7.3.3",
"@angular/platform-browser": "~7.2.0",
"@asymmetrik/ngx-leaflet": "^5.0.1",
"@ngx-loading-bar/router": "1.3.1",
"@ngx-translate/core": "^11.0.1",
"@ngx-translate/http-loader": "^4.0.0",
"@progress/kendo-angular-buttons": "^4.3.3",
"@progress/kendo-angular-dateinputs": "^3.6.0",
"@progress/kendo-angular-dialog": "^3.10.1",
"@progress/kendo-angular-dropdowns": "^3.5.1",
"@progress/kendo-angular-excel-export": "^2.3.0",
"@progress/kendo-angular-grid": "^3.13.0",
"@progress/kendo-angular-inputs": "^4.2.0",
"@progress/kendo-angular-intl": "^1.7.0",
"@progress/kendo-angular-l10n": "^1.3.0",
"@progress/kendo-angular-layout": "^3.2.0",
"@progress/kendo-data-query": "^1.5.0",
"@progress/kendo-drawing": "^1.5.8",
"@progress/kendo-theme-default": "^3.3.1",
"@swimlane/ngx-datatable": "^14.0.0",
"angular-calendar": "0.23.7",
"angular-tree-component": "7.0.1",
"bootstrap": "^3.4.0",
"chart.js": "2.7.2",
"d3": "4.13.0",
"dragula": "3.7.2",
"hammerjs": "2.0.8",
"intl": "1.2.5",
"leaflet": "1.3.1",
"moment": "2.21.0",
"ng2-charts": "1.6.0",
"ng2-dragula": "1.5.0",
"ng2-file-upload": "1.3.0",
"ng2-validation": "4.2.0",
"ngx-perfect-scrollbar": "5.3.5",
"ngx-quill": "2.2.0",
"screenfull": "3.3.2",
"font-awesome": "^4.7.0",
"jalali-moment": "^3.3.1",
"jquery": "^3.3.1",
"ng-snotify": "^4.3.1",
"normalize.css": "^8.0.1",

@import "~bootstrap/dist/css/bootstrap.css";
@import "~@progress/kendo-theme-default/scss/all";
@import '@angular/material/prebuilt-themes/pink-bluegrey.css';
@import '~perfect-scrollbar/css/perfect-scrollbar.css';
@import "~ng-snotify/styles/material";

"scripts": [
              "node_modules/jquery/dist/jquery.js",
              "node_modules/bootstrap/dist/js/bootstrap.min.js",
              "node_modules/hammerjs/hammer.min.js"
            ],

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';


// Import Material
import {
  MatFormFieldModule, MatInputModule,
  MatButtonModule, MatButtonToggleModule,
  MatDialogModule, MatIconModule,
  MatSelectModule, MatToolbarModule,
  MatDatepickerModule,
  DateAdapter, MAT_DATE_FORMATS, MAT_DATE_LOCALE, MatTableModule, MatCheckboxModule, MatRadioModule, MatCardModule, fadeInContent,
  MatListModule, MatProgressBarModule, MatTabsModule,
  MatSidenavModule,
  MatSlideToggleModule,
  MatMenuModule
} from '@angular/material';



// Import kendo angular ui
import { ButtonsModule } from '@progress/kendo-angular-buttons';
import { GridModule, ExcelModule } from '@progress/kendo-angular-grid';
import { DropDownsModule } from '@progress/kendo-angular-dropdowns';
import { InputsModule } from '@progress/kendo-angular-inputs';
import { DateInputsModule } from '@progress/kendo-angular-dateinputs';
import { DialogsModule } from '@progress/kendo-angular-dialog';
import { RTL } from '@progress/kendo-angular-l10n';
import { LayoutModule } from '@progress/kendo-angular-layout';
import { WindowService, WindowRef, WindowCloseResult, DialogService, DialogRef, DialogCloseResult } from '@progress/kendo-angular-dialog';

import { SnotifyModule, SnotifyService, SnotifyPosition, SnotifyToastConfig, ToastDefaults } from 'ng-snotify';


import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    AppRoutingModule,

    // material 
    MatSidenavModule,
    MatSlideToggleModule,
    MatInputModule,
    MatFormFieldModule,
    MatButtonModule, MatButtonToggleModule,
    MatDialogModule, MatIconModule,
    MatSelectModule, MatToolbarModule,
    MatDatepickerModule,
    MatCheckboxModule,
    MatRadioModule,
    MatCardModule,
    MatMenuModule,
    MatListModule,
    MatProgressBarModule,
    MatTabsModule,


    // kendo-angular
    ButtonsModule,
    GridModule,
    ExcelModule,
    DropDownsModule,
    InputsModule,
    DateInputsModule,
    DialogsModule,
    LayoutModule,

    SnotifyModule,


  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

    public abstract class DataExporter
    {
        public void ReadData()
        {
            Console.WriteLine("Data is reading from SQL Server Database");
        }

        public void ProcessData()
        {
            Console.WriteLine("Data is processing...!");
        }

        public abstract void PrintData();

        public void GetReport()
        {
            ReadData();
            ProcessData();
            PrintData();
        }
    }

    public class ExcelExporter : DataExporter
    {
        public override void PrintData()
        {
            Console.WriteLine("Data exported to Microsoft Excel!");
        }
    }

    public class PDFExporter : DataExporter
    {
        public override void PrintData()
        {
            Console.WriteLine("Data exported to PDF!");
        }
    }

            DataExporter dataExporter = new ExcelExporter();
            dataExporter.GetReport();
            Console.WriteLine("****************************");
            dataExporter = new PDFExporter();
            dataExporter.GetReport();