Vue-Socket.io/README.md
David Vezzani e84ac8ce71 corrects published documentation
Yes, the code actually needs to be fixed, but in the mean time, for
those new to this project, this correction will get you running.

See https://github.com/MetinSeylan/Vue-Socket.io/issues/85#issuecomment-328351693
2018-01-15 08:49:31 -07:00

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# Vue-Socket.io
[![NPM version](https://img.shields.io/npm/v/vue-socket.io.svg)](https://www.npmjs.com/package/vue-socket.io)
![VueJS v2 compatible](https://img.shields.io/badge/Vuejs%202-compatible-green.svg)
<a href="https://www.npmjs.com/package/vue-socket.io"><img src="https://img.shields.io/npm/dt/vue-socket.io.svg" alt="Downloads"></a>
<img id="dependency_badge" src="https://www.versioneye.com/javascript/metinseylan:vue-socket.io/2.0.1/badge.svg" alt="Dependency Badge" rel="nofollow">
<a href="https://www.npmjs.com/package/vue-socket.io"><img src="https://img.shields.io/npm/l/vue-socket.io.svg" alt="License"></a>
socket.io implementation for Vuejs 2 and Vuex
## Install
``` bash
npm install vue-socket.io --save
```
## Usage
#### Configuration
Automatic socket connection from an URL string
``` js
import VueSocketio from 'vue-socket.io';
Vue.use(VueSocketio, 'http://socketserver.com:1923');
```
Bind custom socket.io-client instance
``` js
Vue.use(VueSocketio, socketio('http://socketserver.com:1923'));
```
Enable Vuex integration
``` js
import store from './yourstore'
Vue.use(VueSocketio, socketio('http://socketserver.com:1923'), store);
```
#### On Vuejs instance usage
``` js
import Vue from 'vue'
var vm = new Vue({
sockets:{
connect: function(){
console.log('socket connected')
},
customEmit: function(val){
console.log('this method was fired by the socket server. eg: io.emit("customEmit", data)')
}
},
methods: {
clickButton: function(val){
// $socket is socket.io-client instance
(new Vue()).$socket.emit('emit_method', val);
}
}
})
```
#### Dynamic socket event listeners
Create a new listener
``` js
this.$options.sockets.event_name = (data) => {
console.log(data)
}
```
Remove existing listener
``` js
delete this.$options.sockets.event_name;
```
#### Vuex Store integration
Socket **mutations** always have `SOCKET_` prefix.
Socket **actions** always have `socket_` prefix and the socket event name is `camelCased` (ex. `SOCKET_USER_MESSAGE` => `socket_userMessage`)
You can use either one or another or both in your store. Namespaced modules are supported.
``` js
import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex);
export default new Vuex.Store({
state: {
connect: false,
message: null
},
mutations:{
SOCKET_CONNECT: (state, status ) => {
state.connect = true;
},
SOCKET_USER_MESSAGE: (state, message) => {
state.message = message;
}
},
actions: {
otherAction: (context, type) => {
return true;
},
socket_userMessage: (context, message) => {
context.dispatch('newMessage', message);
context.commit('NEW_MESSAGE_RECEIVED', message);
if (message.is_important) {
context.dispatch('alertImportantMessage', message);
}
...
}
}
})
```
## Example
[Realtime Car Tracker System](http://metinseylan.com/)
[Simple Chat App](http://metinseylan.com/vuesocketio/)