npm install
 

 ng add @angular/PWA

 ng build -- prod

 cd dist/Web Application  Pwa

 Http-server -o

 npm i http-server

"$schema": "./node_modules/@angular/service-worker/config/schema.json",
  "index": "/index.html",
  "assetGroups": [
    {
      "name": "app",
      "installMode": "prefetch",
      "resources": {
        "files": [
          "/favicon.ico",
          "/index.html",
          "/*.css",
          "/*.js"
        ]
      }
    }, {
      "name": "assets",
      "installMode": "lazy",
      "updateMode": "prefetch",
      "resources": {
        "files": [
          "/assets/**",
          "/*.(eot|svg|cur|jpg|png|webp|gif|otf|ttf|woff|woff2|ani)"
        ]
      }

    }
  ],
  "dataGroups": [
    {
      "name": "api-performance",
      "urls": [
        "https://api/**"
      ],
      "cacheConfig": {
        "strategy": "performance",
        "maxSize": 100,
        "maxAge": "3d"
      }
    }
  ]
}

"https://api/**"
 

if(this.swUpdate.isEnabled)
    {
      this.swUpdate.available.subscribe(()=> {

        if(confirm("New Version available.Load New Version?")){
          window.location.reload();
        }
      })
    }

Age :number
Fullname :string
Mobile : string

  npm install --save firebase @angular/fire

@NgModule({
  declarations: [AppComponent, RegisterComponent,AboutComponent, UserListComponent],
  imports: [
    BrowserModule,
    FormsModule,
    HttpClientModule,
    HttpClientModule,
    SharedModule,
    AppRoutingModule,
    AngularFireModule.initializeApp(environmentFirebase.firebase),
    AngularFireDatabaseModule,
    ServiceWorkerModule.register('ngsw-worker.js', { enabled: environment.production }),
  ],
  providers: [FirebaseService],
  bootstrap: [AppComponent]
})
export class AppModule {}

export const environment ={
   production: true,
   firebase: {
     apiKey: "AIz×××××××××××××××××××××××××××××××××8",
     authDomain: "pwaangular-6c041.firebaseapp.com",
     databaseURL: "https://pwaangular-6c041.firebaseio.com",
     projectId: "pwaangular-6c041",
     storageBucket: "pwaangular-6c041.appspot.com",
     messagingSenderId: "545522081966"
   }

}

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import * as firebase from 'firebase';
import { AngularFireDatabase } from '@angular/fire/database';
import { HttpClient } from '@angular/common/http';
import { map } from 'rxjs/operators';
import { ThrowStmt } from '@angular/compiler';
@Injectable({
  providedIn: 'root'
})
export class FirebaseService {

  ref = firebase.firestore().collection('users');
  constructor(public db: AngularFireDatabase,public _http:HttpClient) { 
 
  }

  getUsers(): Observable<any> {
    return new Observable((observer) => {
      this.ref.onSnapshot((querySnapshot) => {
        let User = [];
        querySnapshot.forEach((doc) => {
          let data = doc.data();
          User.push({
            key: doc.id,
            fullname: data.fullname,
            age: data.age,
            mobile: data.mobile
          });
        });
        observer.next(User);
      });
    });
  }

  getUser(id: string): Observable<any> {
    return new Observable((observer) => {
      this.ref.doc(id).get().then((doc) => {
        let data = doc.data();
        observer.next({
          key: doc.id,
          title: data.title,
          description: data.description,
          author: data.author
        });
      });
    });
  }

  postUser(user): Observable<any> {
    return new Observable((observer) => {
      
      this.ref.add(user).then((doc) => {
        observer.next({
          key: doc.id,
        });
      });
    });
  }

  updateUser(id: string, data): Observable<any> {
    return new Observable((observer) => {
      this.ref.doc(id).set(data).then(() => {
        observer.next();
      });
    });
  }

  deleteUser(id: string): Observable<{}> {
    return new Observable((observer) => {
      this.ref.doc(id).delete().then(() => {
        observer.next();
      });
    });
  }

getDataOnApi(){
  return this._http.get('https://site.com/api/General/Getprovince')
  .pipe(
      map((res: Response) => {
return res;

      })
  );
}

getOnApi(){
  return  this._http.get("https://site.com/api/General/Getprovince",).pipe(
    map((response:any) => {
       
return  response
    } )
    );
}
}

ng build --prod
cd dist/Pwa-WepApp
Http-server -o

var personViewModel = {
  firstName: ko.observable("Masoud"),
  lastName: ko.observable("Pakdel")
  this.fullName = ko.computed(function() {
         return this.firstName() + " " + this.lastName();
}, this);
};

<span data-bind='text: fullName'></span>

function Product(name, price) {
   this.name = ko.observable(name);
   this.price = ko.observable(price);
}

this.shoppingCart = ko.observableArray([
  new Product("Beer", 10.99),
  new Product("Brats", 7.99),
  new Product("Buns", 1.49)
]);

<table>
 <thead><tr>
 <th>Product</th>
 <th>Price</th>
 </tr></thead>
    <tbody data-bind='foreach: shoppingCart'>
  <tr>
   <td data-bind='text: name'></td>
   <td data-bind='text: price'></td>
 </tr>
</tbody>
</table>

<button data-bind='click: addProduct'>Add Beer</button>

this.addProduct = function() {
   this.shoppingCart.push(new Product("More Beer", 10.99));
};

function PersonViewModel()
        {
            this.firstName = ko.observable("John");
            this.lastName = ko.observable("Smith");
            this.checkout = function () {
                alert("Trying to checkout");
            };
            this.fullName = ko.computed(function(){
                return this.firstName() + " " + this.lastName();
            }, this);

            this.shoppingCart = ko.observableArray([
                new Product("Beer", 10.99),
                new Product("Brats", 7.99),
                new Product("Buns", 1.49)
            ]);

            this.addProduct = function () {
                this.shoppingCart.push(new Product("More beer", 10.99));
             };
        };

this.removeProduct = function(product) {
   self.shoppingCart.remove(product);
}; 

function PersonViewModel() {
  var self = this;

<tr>
   <td data-bind='text: name'></td>
   <td data-bind='text: price'></td>
   <td><button data-bind='click:
   $root.removeProduct'>Remove</button></td>
</tr>

   <script type="text/javascript">
        $(function () {
            //            var r = "12";
            var productsDataSource = new kendo.data.DataSource({
                transport: {
                    read: {
                        url: "@Url.Action("GetProducts", "Home")",
                        dataType: "json",
                        contentType: 'application/json; charset=utf-8',
                        type: 'GET',
                        data: { param1: "dfvdf", param2: "val2" } // ارسال اطلاعات اضافی و سفارشی به سرور در حین درخواست
                    },
                    create: {
                        url: "@Url.Action("PostProduct","Home")",
                        contentType: 'application/json; charset=utf-8',
                        type: "POST"
                    },
                    update: {
                        url:// function (product) {
                             "@Url.Action("UpdateProduct","Home")",//, +product.Id;
                        //},
                        contentType: 'application/json; charset=utf-8',
                        type: "PUT"
                    },
                    destroy: {
                        url: function (p) {
                            return "@Url.Action("DeleteProduct","Home")/" + p.Id;
                        },
                        contentType: 'application/json; charset=utf-8',
                        type: "DELETE"
                    },
                    parameterMap: function (options) {
                        return kendo.stringify(options);
                    }
                },
                schema: {
                    parse: function (data) {
                        return data;
                    },
                    data: "Data",
                    total: "Total",
                    model: {
                        id: "Id", // define the model of the data source. Required for validation and property types.
                        fields: {
                            "Id": { type: "number", editable: false }, //تعیین نوع فیلد برای جستجوی پویا مهم است
                            "Name": { type: "string", validation: { required: true }, editable: true },
                            "Discription": { type: "string", },
                            "Title": { type: "string", editable: false },
                            "GroupName": { type: "string", },
                            "Link": { type: "string" }

                        }

                    },
                    batch: false,


                },
                error: function (e) {
                    alert(e.errorThrown.stack);
                },
                pageSize: 5,
                sort: { field: "Id", dir: "desc" }

            });
            $("#report-grid").kendoGrid({
                dataSource: productsDataSource,
                autoBind: true,
                scrollable: false,
                pageable: true,
                sortable: true,
                columns: [
                { field: "Id", title: "#" },
                { field: "Name", title: "Product" }
                ]
            });
        });
    </script>

{
  "name": "string",
  "email": "string",
  "password": "string",
  "isAdmin": true,
  "id": 0
}

import http from "./httpService";
import { apiUrl } from "../config.json";

const apiEndpoint = apiUrl + "/users";

export function register(user) {
  return http.post(apiEndpoint, {
    email: user.username,
    password: user.password,
    name: user.name
  });
}

class RegisterForm extends Form {
  state = {
    data: { username: "", password: "", name: "" },
    errors: {}
  };

import * as userService from "../services/userService";

import { register } userService from "../services/userService";

  doSubmit = async () => {
    try {
      await userService.register(this.state.data);
    } catch (ex) {
      if (ex.response && ex.response.status === 400) {
        const errors = { ...this.state.errors }; // clone an object
        errors.username = ex.response.data;
        this.setState({ errors });
      }
    }
  };

{
  "email": "string",
  "password": "string"
}

var jwt = _tokenFactoryService.CreateAccessToken(user);
return Ok(new { access_token = jwt });

import { apiUrl } from "../config.json";
import http from "./httpService";

const apiEndpoint = apiUrl + "/auth";

export function login(email, password) {
  return http.post(apiEndpoint + "/login", { email, password });
}

import * as auth from "../services/authService";

class LoginForm extends Form {
  state = {
    data: { username: "", password: "" },
    errors: {}
  };

  // ...

  doSubmit = async () => {
    try {
      const { data } = this.state;
      const {
        data: { access_token }
      } = await auth.login(data.username, data.password);
      console.log("JWT", access_token);
      localStorage.setItem("token", access_token);
      this.props.history.push("/");
    } catch (ex) {
      if (ex.response && ex.response.status === 400) {
        const errors = { ...this.state.errors };
        errors.username = ex.response.data;
        this.setState({ errors });
      }
    }
  };

var jwt = _tokenFactoryService.CreateAccessToken(user);
this.Response.Headers.Add("x-auth-token", jwt);

const response = await userService.register(this.state.data);
console.log(response);

var jwt = _tokenFactoryService.CreateAccessToken(data);
this.Response.Headers.Add("x-auth-token", jwt);
this.Response.Headers.Add("access-control-expose-headers", "x-auth-token");

class RegisterForm extends Form {
  // ...

  doSubmit = async () => {
    try {
      const response = await userService.register(this.state.data);
      console.log(response);
      localStorage.setItem("token", response.headers["x-auth-token"]);
      this.props.history.push("/");
    } catch (ex) {
      if (ex.response && ex.response.status === 400) {
        const errors = { ...this.state.errors }; // clone an object
        errors.username = ex.response.data;
        this.setState({ errors });
      }
    }
  };

protected void Application_Start() {
    ViewEngines.Engines.Clear();
    ViewEngines.Engines.Add(new RazorViewEngine());
    ...
}

<glimpse enabled="true" />

  handleDelete = async post => {
    const posts = this.state.posts.filter(item => item.id !== post.id);
    this.setState({ posts });

    await axios.delete(`${apiEndpoint}/${post.id}`);
  };

  handleDelete = async post => {
    const originalPosts = this.state.posts;

    const posts = this.state.posts.filter(item => item.id !== post.id);
    this.setState({ posts }); // Optimistic Update

    try {
      await axios.delete(`${apiEndpoint}/${post.id}`);
    } catch (ex) {
      alert("An error occurred when deleting a post!");
      this.setState({ posts: originalPosts }); // Undo changes
    }
  };

try {
  await axios.delete(`${apiEndpoint}/${post.id}`);
} catch (ex) {
  if (ex.response && ex.response.status === 404) {
     alert("This post has already been deleted!");
  } else {
     console.log("Error", ex);
     alert("An unexpected error occurred when deleting a post!");
  }

  this.setState({ posts: originalPosts }); // Undo changes
}

import "./App.css";

import axios from "axios";
import React, { Component } from "react";

axios.interceptors.response.use(null, error => {
  console.log("interceptor called.");
  return Promise.reject(error);
});

const apiEndpoint = "https://localhost:5001/api/posts";
class App extends Component {

axios.interceptors.response.use(null, error => {
  const expectedError =
    error.response &&
    error.response.status >= 400 &&
    error.response.status < 500;

  if (!expectedError) {
    console.log("Error", error);
    alert("An unexpected error occurred when deleting a post!");
  }

  return Promise.reject(error);
});

import axios from "axios";

axios.interceptors.response.use(null, error => {
  const expectedError =
    error.response &&
    error.response.status >= 400 &&
    error.response.status < 500;

  if (!expectedError) {
    console.log("Error", error);
    alert("An unexpected error occurred when deleting a post!");
  }

  return Promise.reject(error);
});

export default {
  get: axios.get,
  post: axios.post,
  put: axios.put,
  delete: axios.delete
};

import http from "./services/httpService";

{
   "apiEndpoint" : "https://localhost:5001/api/posts"
}

import config from "./config.json";

> npm i react-toastify --save

import { ToastContainer } from "react-toastify";
import "react-toastify/dist/ReactToastify.css";

  render() {
    return (
      <React.Fragment>
        <ToastContainer />

import { toast } from "react-toastify";
// ...

axios.interceptors.response.use(null, error => {
  // ...
  if (!expectedError) {
    // ...
    toast.error("An unexpected error occurrred.");
  }

<%@ Application Inherits="FsWeb.Global" Language="C#" %> <script Language="C#" RunAt="server">



 
 // Defines the Application_Start method and calls Start in // System.Web.HttpApplication from which Global inherits.

protected void Application_Start(Object sender, EventArgs e) 
{
 base.Start(); 
}
 </script>

namespace FsWeb

open System
open System.Web
open System.Web.Mvc
open System.Web.Routing

type Route = { controller : string
               action : string
               id : UrlParameter }

type Global() =
    inherit System.Web.HttpApplication() 

    static member RegisterRoutes(routes:RouteCollection) =
        routes.IgnoreRoute("{resource}.axd/{*pathInfo}")
        routes.MapRoute("Default", 
                        "{controller}/{action}/{id}", 
                        { controller = "Home"; action = "Index"
                          id = UrlParameter.Optional } )

    member this.Start() =
        AreaRegistration.RegisterAllAreas()
        Global.RegisterRoutes(RouteTable.Routes)

RouteConfig.RegisterRoutes(RouteTable.Routes);

public class RouteConfig
    {
        public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}/{id}",
                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            );
        }
    }

//تعریف الکوی مسیر یابی
type Route = { controller : string
               action : string
               id : UrlParameter }

type Global() =
    inherit System.Web.HttpApplication() 

    static member RegisterRoutes(routes:RouteCollection) =
       //فراخوانی  و انتساب الگوی مسیر یابی به  مسیر‌های تعریف شده
       routes.IgnoreRoute("{resource}.axd/{*pathInfo}")
        routes.MapRoute("Default", 
                        "{controller}/{action}/{id}", 
                        { controller = "Home"; action = "Index"
                          id = UrlParameter.Optional } )

Global.RegisterRoutes(RouteTable.Routes)