Nativescript-socketio NPM

nativescript-socketio

Usage

npm install nativescript-socketio

tns plugin add nativescript-socketio

NativeScript Core

Set connection string and options then connect

var SocketIO = require('nativescript-socketio').SocketIO; 
var socketIO = new SocketIO(url, opts);

Alternatively:

import { SocketIO } from 'nativescript-socketio';
var socketIO = new SocketIO(url, opts);

Connect to server

socketIO.connect()

Send data to the server

socketIO.emit(event,data)

Listen for data

socketIO.on(event,callback)

Set instance

new SocketIO(null,null,oldInstance)

Angular

// app.module.ts
import { SocketIOModule } from "nativescript-socketio/angular";

@NgModule({
  imports: [
    SocketIOModule.forRoot(server),
  ]
})

// app.component.ts
import { Component, OnInit, OnDestroy } from "@angular/core";
import { SocketIO } from "nativescript-socketio";

@Component({
  // ...
})
export class AppComponent implements OnInit, OnDestroy {
  constructor(private socketIO: SocketIO) { }

  ngOnInit() {
    this.socketIO.connect();
  }

  ngOnDestroy() {
    this.socketIO.disconnect();
  }
}

// test.component.ts
import { Component, OnInit, NgZone } from "@angular/core";
import { SocketIO } from "nativescript-socketio";

@Component({
  // ...
})
export class TestComponent implements OnInit {
  constructor(
    private socketIO: SocketIO,
    private ngZone: NgZone
  ) { }

  ngOnInit() {
    this.socketIO.on("test", data => {
      this.ngZone.run(() => {
        // Do stuff here
      });
    });
  }

  test() {
    this.socketIO.emit("test", { test: "test" });
  }
}

Running Demo

Start socketio server

cd demo/demo-server
npm install
node app

Api

Method	Type	Description
constructor(url)	`void`	Creates a SocketIO instance with a url
constructor(url, options:{})	`void`	Creates a SocketIO instance with url and options
constructor(null,null,nativeSocket)	`void`	Creates a SocketIO instance from a native socket instance
connect()	`void`	Connect to the server.
disconnect()	`void`	Disconnects the socket.
connected()	`boolean`	Checks if the socket is connected
on(event: string,(data: Object , ack? : Function))	`Function`	Adds a handler for a client event. Return a function to remove the handler.
once(event: string,(data: Object , ack? : Function))	`Function`	Adds a single-use handler for a client event. Return a function to remove the handler.
off(event: string)	`void`	Removes handler(s) based on an event name.
emit(event: string,data: {},ack?: Function)	`void`	Send an event to the server, with optional data items.
joinNamespace(name: string)	`SocketIO`	Return SocketIO instance with the namespace
leaveNamespace()	`void`	Call when you wish to leave a namespace and disconnect this socket.