feathersjs quicstart

1npm install @feathersjs/socketio @feathersjs/express --save
2

1const feathers = require('@feathersjs/feathers');
2const express = require('@feathersjs/express');
3const socketio = require('@feathersjs/socketio');
4
5// A messages service that allows to create new
6// and return all existing messages
7class MessageService {
8  constructor() {
9    this.messages = [];
10  }
11
12  async find () {
13    // Just return all our messages
14    return this.messages;
15  }
16
17  async create (data) {
18    // The new message is the data merged with a unique identifier
19    // using the messages length since it changes whenever we add one
20    const message = {
21      id: this.messages.length,
22      text: data.text
23    }
24
25    // Add new message to the list
26    this.messages.push(message);
27
28    return message;
29  }
30}
31
32// Creates an ExpressJS compatible Feathers application
33const app = express(feathers());
34
35// Parse HTTP JSON bodies
36app.use(express.json());
37// Parse URL-encoded params
38app.use(express.urlencoded({ extended: true }));
39// Host static files from the current folder
40app.use(express.static(__dirname));
41// Add REST API support
42app.configure(express.rest());
43// Configure Socket.io real-time APIs
44app.configure(socketio());
45// Register an in-memory messages service
46app.use('/messages', new MessageService());
47// Register a nicer error handler than the default Express one
48app.use(express.errorHandler());
49
50// Add any new real-time connection to the `everybody` channel
51app.on('connection', connection =>
52  app.channel('everybody').join(connection)
53);
54// Publish all events to the `everybody` channel
55app.publish(data => app.channel('everybody'));
56
57// Start the server
58app.listen(3030).on('listening', () =>
59  console.log('Feathers server listening on localhost:3030')
60);
61
62// For good measure let's create a message
63// So our API doesn't look so empty
64app.service('messages').create({
65  text: 'Hello world from the server'
66});
67