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🚨this library is not maintained anymore!

A React Native wrapper for the Socket.io Swift Library

The wrapped 'Socket.IO-Client-Swift' can be found here.

Example

I've also added a super simple example app to /examples, copy and paste to your index.ios.js.

/**
 * Pass in an optional config obj, this can include most of the
 * standard props supported by the swift library
 */
var socketConfig = { path: '/socket' };
var socket = new SocketIO('localhost:3000', socketConfig);

// Connect!
socket.connect();

// An event to be fired on connection to socket
socket.on('connect', () => {
    console.log('Wahey -> connected!');
});

// Event called when 'someEvent' it emitted by server
socket.on('someEvent', (data) => {
    console.log('Some event was called, check out this data: ', data);
});

// Called when anything is emitted by the server
socket.onAny((event) => {
    console.log(`${event.name} was called with data: `, event.items);
});

// Manually join namespace
socket.joinNamespace()

// Leave namespace, back to '/'
socket.leaveNamespace()

// Emit an event to server
socket.emit('helloWorld', {some: 'data'});

// Optional boolean param 'fast' - defaults to false
socket.close(true);

// Reconnect to a closed socket
socket.reconect();

Constructor

Requires: host - example: 'localhost:3000'

Optional: config - JSON object comprising any of the options listed below.

Config

  • connectParams: Any Object - Any data to be sent with the connection.
  • reconnects: Boolean Default is true
  • reconnectAttempts: Int Default is -1 (infinite tries)
  • reconnectWait: Number Default is 10
  • forcePolling: Boolean Default is false. true forces the client to use xhr-polling.
  • forceWebsockets: Boolean Default is false. true forces the client to use WebSockets.
  • nsp: String Default is "/". Connects to a namespace.
  • log: Bool If true socket will log debug messages. Default is false.
  • path: String - If the server uses a custom path. ex: "/swift". Default is ""

Not supported yet but easy enough to implement.

  • cookies: [NSHTTPCookie]? An array of NSHTTPCookies. Passed during the handshake. Default is nil.
  • sessionDelegate: NSURLSessionDelegate Sets an NSURLSessionDelegate for the underlying engine. Useful if you need to handle self-signed certs. Default is nil.

Methods

  • connect - Connect to socket
  • on - Add event handler to socket
    • @param - String - event name
    • @param - Function - callback
  • onAny - Add event handler to any event
    • @param - Function - callback
  • emit - Emit an event to server
    • @param - String - Event name
    • @param - Anything - Data to be sent
  • close - Close the connection
    • @param - Boolean - should close fast?
  • reconnect - Reconnect to a closed connection
  • joinNamespace - Manually join namespace
  • leaveNamespace - Leave namespace, back to '/'

Known issues

  • Would rather this in an xcode framework but run into non-modular header issue.

Install

  • Run in your project:
$ npm install react-native-swift-socketio
  • Open up your project in xcode and right click the package.
  • Click Add files to 'Your project name'
  • Navigate to /node_modules/react-native-swift-socketio/RNSwiftSocketIO
  • Click 'Add'
  • Click your project in the navigator on the left and go to build settings
  • Search for Objective-C Bridging Header
  • Double click on the empty column
  • Enter node_modules/react-native-swift-socketio/RNSwiftSocketIO/SocketBridge.h

... That should do it! Please let me know of any issues ...

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A react native wrapper for socket.io-client-swift

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