82 lines
1.7 KiB
JavaScript
82 lines
1.7 KiB
JavaScript
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var util = require('util');
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var events = require('events');
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var WebSocket = require('faye-websocket');
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module.exports = Client;
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function Client(req, socket, head, options) {
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options = this.options = options || {};
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this.ws = new WebSocket(req, socket, head);
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this.ws.onmessage = this.message.bind(this);
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this.ws.onclose = this.close.bind(this);
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this.id = this.uniqueId('ws');
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}
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util.inherits(Client, events.EventEmitter);
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Client.prototype.message = function message(event) {
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var data = this.data(event);
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if(this[data.command]) return this[data.command](data);
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};
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Client.prototype.close = function close(event) {
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if(this.ws) {
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this.ws.close();
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this.ws = null;
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}
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this.emit('end', event);
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};
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// Commands
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Client.prototype.hello = function hello() {
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this.send({
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command: 'hello',
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protocols: [
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'http://livereload.com/protocols/official-7'
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],
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serverName: 'tiny-lr'
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});
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};
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Client.prototype.info = function info(data) {
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this.plugins = data.plugins;
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this.url = data.url;
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};
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// Server commands
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Client.prototype.reload = function reload(files) {
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files.forEach(function(file) {
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this.send({
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command: 'reload',
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path: file,
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liveCss: this.options.liveCss !== false,
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liveJs: this.options.liveJs !== false,
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liveImg: this.options.liveImg !== false
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});
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}, this);
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};
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// Utilities
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Client.prototype.data = function _data(event) {
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var data = {};
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try {
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data = JSON.parse(event.data);
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} catch (e) {}
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return data;
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};
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Client.prototype.send = function send(data) {
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this.ws.send(JSON.stringify(data));
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};
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var idCounter = 0;
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Client.prototype.uniqueId = function uniqueId(prefix) {
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var id = idCounter++;
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return prefix ? prefix + id : id;
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};
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