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7006 lines
170 KiB
7006 lines
170 KiB
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.io=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
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module.exports = _dereq_('./lib/');
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},{"./lib/":2}],2:[function(_dereq_,module,exports){
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/**
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* Module dependencies.
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*/
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var url = _dereq_('./url');
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var parser = _dereq_('socket.io-parser');
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var Manager = _dereq_('./manager');
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var debug = _dereq_('debug')('socket.io-client');
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/**
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* Module exports.
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*/
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module.exports = exports = lookup;
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/**
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* Managers cache.
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*/
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var cache = exports.managers = {};
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/**
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* Looks up an existing `Manager` for multiplexing.
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* If the user summons:
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*
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* `io('http://localhost/a');`
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* `io('http://localhost/b');`
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*
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* We reuse the existing instance based on same scheme/port/host,
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* and we initialize sockets for each namespace.
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*
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* @api public
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*/
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function lookup(uri, opts) {
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if (typeof uri == 'object') {
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opts = uri;
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uri = undefined;
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}
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opts = opts || {};
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var parsed = url(uri);
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var source = parsed.source;
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var id = parsed.id;
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var path = parsed.path;
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var sameNamespace = (cache[id] && cache[id].nsps[path] &&
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path == cache[id].nsps[path].nsp);
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var newConnection = opts.forceNew || opts['force new connection'] ||
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false === opts.multiplex || sameNamespace;
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var io;
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if (newConnection) {
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debug('ignoring socket cache for %s', source);
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io = Manager(source, opts);
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} else {
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if (!cache[id]) {
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debug('new io instance for %s', source);
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cache[id] = Manager(source, opts);
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}
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io = cache[id];
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}
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return io.socket(parsed.path);
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}
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/**
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* Protocol version.
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*
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* @api public
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*/
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exports.protocol = parser.protocol;
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/**
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* `connect`.
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*
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* @param {String} uri
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* @api public
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*/
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exports.connect = lookup;
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/**
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* Expose constructors for standalone build.
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*
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* @api public
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*/
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exports.Manager = _dereq_('./manager');
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exports.Socket = _dereq_('./socket');
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},{"./manager":3,"./socket":5,"./url":6,"debug":10,"socket.io-parser":46}],3:[function(_dereq_,module,exports){
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/**
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* Module dependencies.
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*/
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var url = _dereq_('./url');
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var eio = _dereq_('engine.io-client');
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var Socket = _dereq_('./socket');
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var Emitter = _dereq_('component-emitter');
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var parser = _dereq_('socket.io-parser');
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var on = _dereq_('./on');
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var bind = _dereq_('component-bind');
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var object = _dereq_('object-component');
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var debug = _dereq_('debug')('socket.io-client:manager');
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var indexOf = _dereq_('indexof');
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var Backoff = _dereq_('backo2');
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/**
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* Module exports
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*/
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module.exports = Manager;
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/**
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* `Manager` constructor.
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*
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* @param {String} engine instance or engine uri/opts
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* @param {Object} options
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* @api public
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*/
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function Manager(uri, opts){
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if (!(this instanceof Manager)) return new Manager(uri, opts);
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if (uri && ('object' == typeof uri)) {
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opts = uri;
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uri = undefined;
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}
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opts = opts || {};
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opts.path = opts.path || '/socket.io';
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this.nsps = {};
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this.subs = [];
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this.opts = opts;
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this.reconnection(opts.reconnection !== false);
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this.reconnectionAttempts(opts.reconnectionAttempts || Infinity);
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this.reconnectionDelay(opts.reconnectionDelay || 1000);
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this.reconnectionDelayMax(opts.reconnectionDelayMax || 5000);
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this.randomizationFactor(opts.randomizationFactor || 0.5);
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this.backoff = new Backoff({
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min: this.reconnectionDelay(),
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max: this.reconnectionDelayMax(),
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jitter: this.randomizationFactor()
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});
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this.timeout(null == opts.timeout ? 20000 : opts.timeout);
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this.readyState = 'closed';
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this.uri = uri;
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this.connected = [];
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this.encoding = false;
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this.packetBuffer = [];
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this.encoder = new parser.Encoder();
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this.decoder = new parser.Decoder();
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this.autoConnect = opts.autoConnect !== false;
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if (this.autoConnect) this.open();
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}
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/**
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* Propagate given event to sockets and emit on `this`
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*
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* @api private
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*/
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Manager.prototype.emitAll = function() {
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this.emit.apply(this, arguments);
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for (var nsp in this.nsps) {
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this.nsps[nsp].emit.apply(this.nsps[nsp], arguments);
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}
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};
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/**
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* Update `socket.id` of all sockets
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*
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* @api private
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*/
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Manager.prototype.updateSocketIds = function(){
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for (var nsp in this.nsps) {
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this.nsps[nsp].id = this.engine.id;
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}
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};
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/**
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* Mix in `Emitter`.
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*/
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Emitter(Manager.prototype);
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/**
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* Sets the `reconnection` config.
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*
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* @param {Boolean} true/false if it should automatically reconnect
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* @return {Manager} self or value
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* @api public
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*/
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Manager.prototype.reconnection = function(v){
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if (!arguments.length) return this._reconnection;
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this._reconnection = !!v;
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return this;
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};
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/**
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* Sets the reconnection attempts config.
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*
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* @param {Number} max reconnection attempts before giving up
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* @return {Manager} self or value
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* @api public
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*/
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Manager.prototype.reconnectionAttempts = function(v){
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if (!arguments.length) return this._reconnectionAttempts;
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this._reconnectionAttempts = v;
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return this;
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};
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/**
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* Sets the delay between reconnections.
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*
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* @param {Number} delay
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* @return {Manager} self or value
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* @api public
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*/
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Manager.prototype.reconnectionDelay = function(v){
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if (!arguments.length) return this._reconnectionDelay;
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this._reconnectionDelay = v;
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this.backoff && this.backoff.setMin(v);
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return this;
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};
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Manager.prototype.randomizationFactor = function(v){
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if (!arguments.length) return this._randomizationFactor;
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this._randomizationFactor = v;
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this.backoff && this.backoff.setJitter(v);
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return this;
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};
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/**
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* Sets the maximum delay between reconnections.
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*
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* @param {Number} delay
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* @return {Manager} self or value
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* @api public
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*/
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Manager.prototype.reconnectionDelayMax = function(v){
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if (!arguments.length) return this._reconnectionDelayMax;
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this._reconnectionDelayMax = v;
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this.backoff && this.backoff.setMax(v);
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return this;
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};
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/**
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* Sets the connection timeout. `false` to disable
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*
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* @return {Manager} self or value
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* @api public
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*/
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Manager.prototype.timeout = function(v){
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if (!arguments.length) return this._timeout;
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this._timeout = v;
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return this;
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};
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/**
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* Starts trying to reconnect if reconnection is enabled and we have not
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* started reconnecting yet
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*
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* @api private
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*/
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Manager.prototype.maybeReconnectOnOpen = function() {
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// Only try to reconnect if it's the first time we're connecting
|
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if (!this.reconnecting && this._reconnection && this.backoff.attempts === 0) {
|
|
// keeps reconnection from firing twice for the same reconnection loop
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|
this.reconnect();
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|
}
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|
};
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/**
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|
* Sets the current transport `socket`.
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*
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* @param {Function} optional, callback
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|
* @return {Manager} self
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* @api public
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|
*/
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Manager.prototype.open =
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Manager.prototype.connect = function(fn){
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debug('readyState %s', this.readyState);
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if (~this.readyState.indexOf('open')) return this;
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debug('opening %s', this.uri);
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this.engine = eio(this.uri, this.opts);
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|
var socket = this.engine;
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|
var self = this;
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this.readyState = 'opening';
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this.skipReconnect = false;
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// emit `open`
|
|
var openSub = on(socket, 'open', function() {
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|
self.onopen();
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fn && fn();
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|
});
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|
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// emit `connect_error`
|
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var errorSub = on(socket, 'error', function(data){
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|
debug('connect_error');
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self.cleanup();
|
|
self.readyState = 'closed';
|
|
self.emitAll('connect_error', data);
|
|
if (fn) {
|
|
var err = new Error('Connection error');
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|
err.data = data;
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|
fn(err);
|
|
} else {
|
|
// Only do this if there is no fn to handle the error
|
|
self.maybeReconnectOnOpen();
|
|
}
|
|
});
|
|
|
|
// emit `connect_timeout`
|
|
if (false !== this._timeout) {
|
|
var timeout = this._timeout;
|
|
debug('connect attempt will timeout after %d', timeout);
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|
|
// set timer
|
|
var timer = setTimeout(function(){
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|
debug('connect attempt timed out after %d', timeout);
|
|
openSub.destroy();
|
|
socket.close();
|
|
socket.emit('error', 'timeout');
|
|
self.emitAll('connect_timeout', timeout);
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|
}, timeout);
|
|
|
|
this.subs.push({
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|
destroy: function(){
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|
clearTimeout(timer);
|
|
}
|
|
});
|
|
}
|
|
|
|
this.subs.push(openSub);
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|
this.subs.push(errorSub);
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Called upon transport open.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.onopen = function(){
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|
debug('open');
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|
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// clear old subs
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this.cleanup();
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|
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// mark as open
|
|
this.readyState = 'open';
|
|
this.emit('open');
|
|
|
|
// add new subs
|
|
var socket = this.engine;
|
|
this.subs.push(on(socket, 'data', bind(this, 'ondata')));
|
|
this.subs.push(on(this.decoder, 'decoded', bind(this, 'ondecoded')));
|
|
this.subs.push(on(socket, 'error', bind(this, 'onerror')));
|
|
this.subs.push(on(socket, 'close', bind(this, 'onclose')));
|
|
};
|
|
|
|
/**
|
|
* Called with data.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.ondata = function(data){
|
|
this.decoder.add(data);
|
|
};
|
|
|
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/**
|
|
* Called when parser fully decodes a packet.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.ondecoded = function(packet) {
|
|
this.emit('packet', packet);
|
|
};
|
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|
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/**
|
|
* Called upon socket error.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.onerror = function(err){
|
|
debug('error', err);
|
|
this.emitAll('error', err);
|
|
};
|
|
|
|
/**
|
|
* Creates a new socket for the given `nsp`.
|
|
*
|
|
* @return {Socket}
|
|
* @api public
|
|
*/
|
|
|
|
Manager.prototype.socket = function(nsp){
|
|
var socket = this.nsps[nsp];
|
|
if (!socket) {
|
|
socket = new Socket(this, nsp);
|
|
this.nsps[nsp] = socket;
|
|
var self = this;
|
|
socket.on('connect', function(){
|
|
socket.id = self.engine.id;
|
|
if (!~indexOf(self.connected, socket)) {
|
|
self.connected.push(socket);
|
|
}
|
|
});
|
|
}
|
|
return socket;
|
|
};
|
|
|
|
/**
|
|
* Called upon a socket close.
|
|
*
|
|
* @param {Socket} socket
|
|
*/
|
|
|
|
Manager.prototype.destroy = function(socket){
|
|
var index = indexOf(this.connected, socket);
|
|
if (~index) this.connected.splice(index, 1);
|
|
if (this.connected.length) return;
|
|
|
|
this.close();
|
|
};
|
|
|
|
/**
|
|
* Writes a packet.
|
|
*
|
|
* @param {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.packet = function(packet){
|
|
debug('writing packet %j', packet);
|
|
var self = this;
|
|
|
|
if (!self.encoding) {
|
|
// encode, then write to engine with result
|
|
self.encoding = true;
|
|
this.encoder.encode(packet, function(encodedPackets) {
|
|
for (var i = 0; i < encodedPackets.length; i++) {
|
|
self.engine.write(encodedPackets[i]);
|
|
}
|
|
self.encoding = false;
|
|
self.processPacketQueue();
|
|
});
|
|
} else { // add packet to the queue
|
|
self.packetBuffer.push(packet);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* If packet buffer is non-empty, begins encoding the
|
|
* next packet in line.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.processPacketQueue = function() {
|
|
if (this.packetBuffer.length > 0 && !this.encoding) {
|
|
var pack = this.packetBuffer.shift();
|
|
this.packet(pack);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clean up transport subscriptions and packet buffer.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.cleanup = function(){
|
|
var sub;
|
|
while (sub = this.subs.shift()) sub.destroy();
|
|
|
|
this.packetBuffer = [];
|
|
this.encoding = false;
|
|
|
|
this.decoder.destroy();
|
|
};
|
|
|
|
/**
|
|
* Close the current socket.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.close =
|
|
Manager.prototype.disconnect = function(){
|
|
this.skipReconnect = true;
|
|
this.backoff.reset();
|
|
this.readyState = 'closed';
|
|
this.engine && this.engine.close();
|
|
};
|
|
|
|
/**
|
|
* Called upon engine close.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.onclose = function(reason){
|
|
debug('close');
|
|
this.cleanup();
|
|
this.backoff.reset();
|
|
this.readyState = 'closed';
|
|
this.emit('close', reason);
|
|
if (this._reconnection && !this.skipReconnect) {
|
|
this.reconnect();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Attempt a reconnection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.reconnect = function(){
|
|
if (this.reconnecting || this.skipReconnect) return this;
|
|
|
|
var self = this;
|
|
|
|
if (this.backoff.attempts >= this._reconnectionAttempts) {
|
|
debug('reconnect failed');
|
|
this.backoff.reset();
|
|
this.emitAll('reconnect_failed');
|
|
this.reconnecting = false;
|
|
} else {
|
|
var delay = this.backoff.duration();
|
|
debug('will wait %dms before reconnect attempt', delay);
|
|
|
|
this.reconnecting = true;
|
|
var timer = setTimeout(function(){
|
|
if (self.skipReconnect) return;
|
|
|
|
debug('attempting reconnect');
|
|
self.emitAll('reconnect_attempt', self.backoff.attempts);
|
|
self.emitAll('reconnecting', self.backoff.attempts);
|
|
|
|
// check again for the case socket closed in above events
|
|
if (self.skipReconnect) return;
|
|
|
|
self.open(function(err){
|
|
if (err) {
|
|
debug('reconnect attempt error');
|
|
self.reconnecting = false;
|
|
self.reconnect();
|
|
self.emitAll('reconnect_error', err.data);
|
|
} else {
|
|
debug('reconnect success');
|
|
self.onreconnect();
|
|
}
|
|
});
|
|
}, delay);
|
|
|
|
this.subs.push({
|
|
destroy: function(){
|
|
clearTimeout(timer);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon successful reconnect.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Manager.prototype.onreconnect = function(){
|
|
var attempt = this.backoff.attempts;
|
|
this.reconnecting = false;
|
|
this.backoff.reset();
|
|
this.updateSocketIds();
|
|
this.emitAll('reconnect', attempt);
|
|
};
|
|
|
|
},{"./on":4,"./socket":5,"./url":6,"backo2":7,"component-bind":8,"component-emitter":9,"debug":10,"engine.io-client":11,"indexof":42,"object-component":43,"socket.io-parser":46}],4:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = on;
|
|
|
|
/**
|
|
* Helper for subscriptions.
|
|
*
|
|
* @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
|
|
* @param {String} event name
|
|
* @param {Function} callback
|
|
* @api public
|
|
*/
|
|
|
|
function on(obj, ev, fn) {
|
|
obj.on(ev, fn);
|
|
return {
|
|
destroy: function(){
|
|
obj.removeListener(ev, fn);
|
|
}
|
|
};
|
|
}
|
|
|
|
},{}],5:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var parser = _dereq_('socket.io-parser');
|
|
var Emitter = _dereq_('component-emitter');
|
|
var toArray = _dereq_('to-array');
|
|
var on = _dereq_('./on');
|
|
var bind = _dereq_('component-bind');
|
|
var debug = _dereq_('debug')('socket.io-client:socket');
|
|
var hasBin = _dereq_('has-binary');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = exports = Socket;
|
|
|
|
/**
|
|
* Internal events (blacklisted).
|
|
* These events can't be emitted by the user.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
var events = {
|
|
connect: 1,
|
|
connect_error: 1,
|
|
connect_timeout: 1,
|
|
disconnect: 1,
|
|
error: 1,
|
|
reconnect: 1,
|
|
reconnect_attempt: 1,
|
|
reconnect_failed: 1,
|
|
reconnect_error: 1,
|
|
reconnecting: 1
|
|
};
|
|
|
|
/**
|
|
* Shortcut to `Emitter#emit`.
|
|
*/
|
|
|
|
var emit = Emitter.prototype.emit;
|
|
|
|
/**
|
|
* `Socket` constructor.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function Socket(io, nsp){
|
|
this.io = io;
|
|
this.nsp = nsp;
|
|
this.json = this; // compat
|
|
this.ids = 0;
|
|
this.acks = {};
|
|
if (this.io.autoConnect) this.open();
|
|
this.receiveBuffer = [];
|
|
this.sendBuffer = [];
|
|
this.connected = false;
|
|
this.disconnected = true;
|
|
}
|
|
|
|
/**
|
|
* Mix in `Emitter`.
|
|
*/
|
|
|
|
Emitter(Socket.prototype);
|
|
|
|
/**
|
|
* Subscribe to open, close and packet events
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.subEvents = function() {
|
|
if (this.subs) return;
|
|
|
|
var io = this.io;
|
|
this.subs = [
|
|
on(io, 'open', bind(this, 'onopen')),
|
|
on(io, 'packet', bind(this, 'onpacket')),
|
|
on(io, 'close', bind(this, 'onclose'))
|
|
];
|
|
};
|
|
|
|
/**
|
|
* "Opens" the socket.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.open =
|
|
Socket.prototype.connect = function(){
|
|
if (this.connected) return this;
|
|
|
|
this.subEvents();
|
|
this.io.open(); // ensure open
|
|
if ('open' == this.io.readyState) this.onopen();
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends a `message` event.
|
|
*
|
|
* @return {Socket} self
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.send = function(){
|
|
var args = toArray(arguments);
|
|
args.unshift('message');
|
|
this.emit.apply(this, args);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Override `emit`.
|
|
* If the event is in `events`, it's emitted normally.
|
|
*
|
|
* @param {String} event name
|
|
* @return {Socket} self
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.emit = function(ev){
|
|
if (events.hasOwnProperty(ev)) {
|
|
emit.apply(this, arguments);
|
|
return this;
|
|
}
|
|
|
|
var args = toArray(arguments);
|
|
var parserType = parser.EVENT; // default
|
|
if (hasBin(args)) { parserType = parser.BINARY_EVENT; } // binary
|
|
var packet = { type: parserType, data: args };
|
|
|
|
// event ack callback
|
|
if ('function' == typeof args[args.length - 1]) {
|
|
debug('emitting packet with ack id %d', this.ids);
|
|
this.acks[this.ids] = args.pop();
|
|
packet.id = this.ids++;
|
|
}
|
|
|
|
if (this.connected) {
|
|
this.packet(packet);
|
|
} else {
|
|
this.sendBuffer.push(packet);
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends a packet.
|
|
*
|
|
* @param {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.packet = function(packet){
|
|
packet.nsp = this.nsp;
|
|
this.io.packet(packet);
|
|
};
|
|
|
|
/**
|
|
* Called upon engine `open`.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onopen = function(){
|
|
debug('transport is open - connecting');
|
|
|
|
// write connect packet if necessary
|
|
if ('/' != this.nsp) {
|
|
this.packet({ type: parser.CONNECT });
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon engine `close`.
|
|
*
|
|
* @param {String} reason
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onclose = function(reason){
|
|
debug('close (%s)', reason);
|
|
this.connected = false;
|
|
this.disconnected = true;
|
|
delete this.id;
|
|
this.emit('disconnect', reason);
|
|
};
|
|
|
|
/**
|
|
* Called with socket packet.
|
|
*
|
|
* @param {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onpacket = function(packet){
|
|
if (packet.nsp != this.nsp) return;
|
|
|
|
switch (packet.type) {
|
|
case parser.CONNECT:
|
|
this.onconnect();
|
|
break;
|
|
|
|
case parser.EVENT:
|
|
this.onevent(packet);
|
|
break;
|
|
|
|
case parser.BINARY_EVENT:
|
|
this.onevent(packet);
|
|
break;
|
|
|
|
case parser.ACK:
|
|
this.onack(packet);
|
|
break;
|
|
|
|
case parser.BINARY_ACK:
|
|
this.onack(packet);
|
|
break;
|
|
|
|
case parser.DISCONNECT:
|
|
this.ondisconnect();
|
|
break;
|
|
|
|
case parser.ERROR:
|
|
this.emit('error', packet.data);
|
|
break;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon a server event.
|
|
*
|
|
* @param {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onevent = function(packet){
|
|
var args = packet.data || [];
|
|
debug('emitting event %j', args);
|
|
|
|
if (null != packet.id) {
|
|
debug('attaching ack callback to event');
|
|
args.push(this.ack(packet.id));
|
|
}
|
|
|
|
if (this.connected) {
|
|
emit.apply(this, args);
|
|
} else {
|
|
this.receiveBuffer.push(args);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Produces an ack callback to emit with an event.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.ack = function(id){
|
|
var self = this;
|
|
var sent = false;
|
|
return function(){
|
|
// prevent double callbacks
|
|
if (sent) return;
|
|
sent = true;
|
|
var args = toArray(arguments);
|
|
debug('sending ack %j', args);
|
|
|
|
var type = hasBin(args) ? parser.BINARY_ACK : parser.ACK;
|
|
self.packet({
|
|
type: type,
|
|
id: id,
|
|
data: args
|
|
});
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Called upon a server acknowlegement.
|
|
*
|
|
* @param {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onack = function(packet){
|
|
debug('calling ack %s with %j', packet.id, packet.data);
|
|
var fn = this.acks[packet.id];
|
|
fn.apply(this, packet.data);
|
|
delete this.acks[packet.id];
|
|
};
|
|
|
|
/**
|
|
* Called upon server connect.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onconnect = function(){
|
|
this.connected = true;
|
|
this.disconnected = false;
|
|
this.emit('connect');
|
|
this.emitBuffered();
|
|
};
|
|
|
|
/**
|
|
* Emit buffered events (received and emitted).
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.emitBuffered = function(){
|
|
var i;
|
|
for (i = 0; i < this.receiveBuffer.length; i++) {
|
|
emit.apply(this, this.receiveBuffer[i]);
|
|
}
|
|
this.receiveBuffer = [];
|
|
|
|
for (i = 0; i < this.sendBuffer.length; i++) {
|
|
this.packet(this.sendBuffer[i]);
|
|
}
|
|
this.sendBuffer = [];
|
|
};
|
|
|
|
/**
|
|
* Called upon server disconnect.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.ondisconnect = function(){
|
|
debug('server disconnect (%s)', this.nsp);
|
|
this.destroy();
|
|
this.onclose('io server disconnect');
|
|
};
|
|
|
|
/**
|
|
* Called upon forced client/server side disconnections,
|
|
* this method ensures the manager stops tracking us and
|
|
* that reconnections don't get triggered for this.
|
|
*
|
|
* @api private.
|
|
*/
|
|
|
|
Socket.prototype.destroy = function(){
|
|
if (this.subs) {
|
|
// clean subscriptions to avoid reconnections
|
|
for (var i = 0; i < this.subs.length; i++) {
|
|
this.subs[i].destroy();
|
|
}
|
|
this.subs = null;
|
|
}
|
|
|
|
this.io.destroy(this);
|
|
};
|
|
|
|
/**
|
|
* Disconnects the socket manually.
|
|
*
|
|
* @return {Socket} self
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.close =
|
|
Socket.prototype.disconnect = function(){
|
|
if (this.connected) {
|
|
debug('performing disconnect (%s)', this.nsp);
|
|
this.packet({ type: parser.DISCONNECT });
|
|
}
|
|
|
|
// remove socket from pool
|
|
this.destroy();
|
|
|
|
if (this.connected) {
|
|
// fire events
|
|
this.onclose('io client disconnect');
|
|
}
|
|
return this;
|
|
};
|
|
|
|
},{"./on":4,"component-bind":8,"component-emitter":9,"debug":10,"has-binary":38,"socket.io-parser":46,"to-array":50}],6:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var parseuri = _dereq_('parseuri');
|
|
var debug = _dereq_('debug')('socket.io-client:url');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = url;
|
|
|
|
/**
|
|
* URL parser.
|
|
*
|
|
* @param {String} url
|
|
* @param {Object} An object meant to mimic window.location.
|
|
* Defaults to window.location.
|
|
* @api public
|
|
*/
|
|
|
|
function url(uri, loc){
|
|
var obj = uri;
|
|
|
|
// default to window.location
|
|
var loc = loc || global.location;
|
|
if (null == uri) uri = loc.protocol + '//' + loc.host;
|
|
|
|
// relative path support
|
|
if ('string' == typeof uri) {
|
|
if ('/' == uri.charAt(0)) {
|
|
if ('/' == uri.charAt(1)) {
|
|
uri = loc.protocol + uri;
|
|
} else {
|
|
uri = loc.hostname + uri;
|
|
}
|
|
}
|
|
|
|
if (!/^(https?|wss?):\/\//.test(uri)) {
|
|
debug('protocol-less url %s', uri);
|
|
if ('undefined' != typeof loc) {
|
|
uri = loc.protocol + '//' + uri;
|
|
} else {
|
|
uri = 'https://' + uri;
|
|
}
|
|
}
|
|
|
|
// parse
|
|
debug('parse %s', uri);
|
|
obj = parseuri(uri);
|
|
}
|
|
|
|
// make sure we treat `localhost:80` and `localhost` equally
|
|
if (!obj.port) {
|
|
if (/^(http|ws)$/.test(obj.protocol)) {
|
|
obj.port = '80';
|
|
}
|
|
else if (/^(http|ws)s$/.test(obj.protocol)) {
|
|
obj.port = '443';
|
|
}
|
|
}
|
|
|
|
obj.path = obj.path || '/';
|
|
|
|
// define unique id
|
|
obj.id = obj.protocol + '://' + obj.host + ':' + obj.port;
|
|
// define href
|
|
obj.href = obj.protocol + '://' + obj.host + (loc && loc.port == obj.port ? '' : (':' + obj.port));
|
|
|
|
return obj;
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"debug":10,"parseuri":44}],7:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Expose `Backoff`.
|
|
*/
|
|
|
|
module.exports = Backoff;
|
|
|
|
/**
|
|
* Initialize backoff timer with `opts`.
|
|
*
|
|
* - `min` initial timeout in milliseconds [100]
|
|
* - `max` max timeout [10000]
|
|
* - `jitter` [0]
|
|
* - `factor` [2]
|
|
*
|
|
* @param {Object} opts
|
|
* @api public
|
|
*/
|
|
|
|
function Backoff(opts) {
|
|
opts = opts || {};
|
|
this.ms = opts.min || 100;
|
|
this.max = opts.max || 10000;
|
|
this.factor = opts.factor || 2;
|
|
this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;
|
|
this.attempts = 0;
|
|
}
|
|
|
|
/**
|
|
* Return the backoff duration.
|
|
*
|
|
* @return {Number}
|
|
* @api public
|
|
*/
|
|
|
|
Backoff.prototype.duration = function(){
|
|
var ms = this.ms * Math.pow(this.factor, this.attempts++);
|
|
if (this.jitter) {
|
|
var rand = Math.random();
|
|
var deviation = Math.floor(rand * this.jitter * ms);
|
|
ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;
|
|
}
|
|
return Math.min(ms, this.max) | 0;
|
|
};
|
|
|
|
/**
|
|
* Reset the number of attempts.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Backoff.prototype.reset = function(){
|
|
this.attempts = 0;
|
|
};
|
|
|
|
/**
|
|
* Set the minimum duration
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Backoff.prototype.setMin = function(min){
|
|
this.ms = min;
|
|
};
|
|
|
|
/**
|
|
* Set the maximum duration
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Backoff.prototype.setMax = function(max){
|
|
this.max = max;
|
|
};
|
|
|
|
/**
|
|
* Set the jitter
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Backoff.prototype.setJitter = function(jitter){
|
|
this.jitter = jitter;
|
|
};
|
|
|
|
|
|
},{}],8:[function(_dereq_,module,exports){
|
|
/**
|
|
* Slice reference.
|
|
*/
|
|
|
|
var slice = [].slice;
|
|
|
|
/**
|
|
* Bind `obj` to `fn`.
|
|
*
|
|
* @param {Object} obj
|
|
* @param {Function|String} fn or string
|
|
* @return {Function}
|
|
* @api public
|
|
*/
|
|
|
|
module.exports = function(obj, fn){
|
|
if ('string' == typeof fn) fn = obj[fn];
|
|
if ('function' != typeof fn) throw new Error('bind() requires a function');
|
|
var args = slice.call(arguments, 2);
|
|
return function(){
|
|
return fn.apply(obj, args.concat(slice.call(arguments)));
|
|
}
|
|
};
|
|
|
|
},{}],9:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Expose `Emitter`.
|
|
*/
|
|
|
|
module.exports = Emitter;
|
|
|
|
/**
|
|
* Initialize a new `Emitter`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function Emitter(obj) {
|
|
if (obj) return mixin(obj);
|
|
};
|
|
|
|
/**
|
|
* Mixin the emitter properties.
|
|
*
|
|
* @param {Object} obj
|
|
* @return {Object}
|
|
* @api private
|
|
*/
|
|
|
|
function mixin(obj) {
|
|
for (var key in Emitter.prototype) {
|
|
obj[key] = Emitter.prototype[key];
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* Listen on the given `event` with `fn`.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
* @return {Emitter}
|
|
* @api public
|
|
*/
|
|
|
|
Emitter.prototype.on =
|
|
Emitter.prototype.addEventListener = function(event, fn){
|
|
this._callbacks = this._callbacks || {};
|
|
(this._callbacks[event] = this._callbacks[event] || [])
|
|
.push(fn);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Adds an `event` listener that will be invoked a single
|
|
* time then automatically removed.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
* @return {Emitter}
|
|
* @api public
|
|
*/
|
|
|
|
Emitter.prototype.once = function(event, fn){
|
|
var self = this;
|
|
this._callbacks = this._callbacks || {};
|
|
|
|
function on() {
|
|
self.off(event, on);
|
|
fn.apply(this, arguments);
|
|
}
|
|
|
|
on.fn = fn;
|
|
this.on(event, on);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Remove the given callback for `event` or all
|
|
* registered callbacks.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
* @return {Emitter}
|
|
* @api public
|
|
*/
|
|
|
|
Emitter.prototype.off =
|
|
Emitter.prototype.removeListener =
|
|
Emitter.prototype.removeAllListeners =
|
|
Emitter.prototype.removeEventListener = function(event, fn){
|
|
this._callbacks = this._callbacks || {};
|
|
|
|
// all
|
|
if (0 == arguments.length) {
|
|
this._callbacks = {};
|
|
return this;
|
|
}
|
|
|
|
// specific event
|
|
var callbacks = this._callbacks[event];
|
|
if (!callbacks) return this;
|
|
|
|
// remove all handlers
|
|
if (1 == arguments.length) {
|
|
delete this._callbacks[event];
|
|
return this;
|
|
}
|
|
|
|
// remove specific handler
|
|
var cb;
|
|
for (var i = 0; i < callbacks.length; i++) {
|
|
cb = callbacks[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
callbacks.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Emit `event` with the given args.
|
|
*
|
|
* @param {String} event
|
|
* @param {Mixed} ...
|
|
* @return {Emitter}
|
|
*/
|
|
|
|
Emitter.prototype.emit = function(event){
|
|
this._callbacks = this._callbacks || {};
|
|
var args = [].slice.call(arguments, 1)
|
|
, callbacks = this._callbacks[event];
|
|
|
|
if (callbacks) {
|
|
callbacks = callbacks.slice(0);
|
|
for (var i = 0, len = callbacks.length; i < len; ++i) {
|
|
callbacks[i].apply(this, args);
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Return array of callbacks for `event`.
|
|
*
|
|
* @param {String} event
|
|
* @return {Array}
|
|
* @api public
|
|
*/
|
|
|
|
Emitter.prototype.listeners = function(event){
|
|
this._callbacks = this._callbacks || {};
|
|
return this._callbacks[event] || [];
|
|
};
|
|
|
|
/**
|
|
* Check if this emitter has `event` handlers.
|
|
*
|
|
* @param {String} event
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
Emitter.prototype.hasListeners = function(event){
|
|
return !! this.listeners(event).length;
|
|
};
|
|
|
|
},{}],10:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Expose `debug()` as the module.
|
|
*/
|
|
|
|
module.exports = debug;
|
|
|
|
/**
|
|
* Create a debugger with the given `name`.
|
|
*
|
|
* @param {String} name
|
|
* @return {Type}
|
|
* @api public
|
|
*/
|
|
|
|
function debug(name) {
|
|
if (!debug.enabled(name)) return function(){};
|
|
|
|
return function(fmt){
|
|
fmt = coerce(fmt);
|
|
|
|
var curr = new Date;
|
|
var ms = curr - (debug[name] || curr);
|
|
debug[name] = curr;
|
|
|
|
fmt = name
|
|
+ ' '
|
|
+ fmt
|
|
+ ' +' + debug.humanize(ms);
|
|
|
|
// This hackery is required for IE8
|
|
// where `console.log` doesn't have 'apply'
|
|
window.console
|
|
&& console.log
|
|
&& Function.prototype.apply.call(console.log, console, arguments);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The currently active debug mode names.
|
|
*/
|
|
|
|
debug.names = [];
|
|
debug.skips = [];
|
|
|
|
/**
|
|
* Enables a debug mode by name. This can include modes
|
|
* separated by a colon and wildcards.
|
|
*
|
|
* @param {String} name
|
|
* @api public
|
|
*/
|
|
|
|
debug.enable = function(name) {
|
|
try {
|
|
localStorage.debug = name;
|
|
} catch(e){}
|
|
|
|
var split = (name || '').split(/[\s,]+/)
|
|
, len = split.length;
|
|
|
|
for (var i = 0; i < len; i++) {
|
|
name = split[i].replace('*', '.*?');
|
|
if (name[0] === '-') {
|
|
debug.skips.push(new RegExp('^' + name.substr(1) + '$'));
|
|
}
|
|
else {
|
|
debug.names.push(new RegExp('^' + name + '$'));
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Disable debug output.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
debug.disable = function(){
|
|
debug.enable('');
|
|
};
|
|
|
|
/**
|
|
* Humanize the given `ms`.
|
|
*
|
|
* @param {Number} m
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
debug.humanize = function(ms) {
|
|
var sec = 1000
|
|
, min = 60 * 1000
|
|
, hour = 60 * min;
|
|
|
|
if (ms >= hour) return (ms / hour).toFixed(1) + 'h';
|
|
if (ms >= min) return (ms / min).toFixed(1) + 'm';
|
|
if (ms >= sec) return (ms / sec | 0) + 's';
|
|
return ms + 'ms';
|
|
};
|
|
|
|
/**
|
|
* Returns true if the given mode name is enabled, false otherwise.
|
|
*
|
|
* @param {String} name
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
debug.enabled = function(name) {
|
|
for (var i = 0, len = debug.skips.length; i < len; i++) {
|
|
if (debug.skips[i].test(name)) {
|
|
return false;
|
|
}
|
|
}
|
|
for (var i = 0, len = debug.names.length; i < len; i++) {
|
|
if (debug.names[i].test(name)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Coerce `val`.
|
|
*/
|
|
|
|
function coerce(val) {
|
|
if (val instanceof Error) return val.stack || val.message;
|
|
return val;
|
|
}
|
|
|
|
// persist
|
|
|
|
try {
|
|
if (window.localStorage) debug.enable(localStorage.debug);
|
|
} catch(e){}
|
|
|
|
},{}],11:[function(_dereq_,module,exports){
|
|
|
|
module.exports = _dereq_('./lib/');
|
|
|
|
},{"./lib/":12}],12:[function(_dereq_,module,exports){
|
|
|
|
module.exports = _dereq_('./socket');
|
|
|
|
/**
|
|
* Exports parser
|
|
*
|
|
* @api public
|
|
*
|
|
*/
|
|
module.exports.parser = _dereq_('engine.io-parser');
|
|
|
|
},{"./socket":13,"engine.io-parser":25}],13:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var transports = _dereq_('./transports');
|
|
var Emitter = _dereq_('component-emitter');
|
|
var debug = _dereq_('debug')('engine.io-client:socket');
|
|
var index = _dereq_('indexof');
|
|
var parser = _dereq_('engine.io-parser');
|
|
var parseuri = _dereq_('parseuri');
|
|
var parsejson = _dereq_('parsejson');
|
|
var parseqs = _dereq_('parseqs');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = Socket;
|
|
|
|
/**
|
|
* Noop function.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function noop(){}
|
|
|
|
/**
|
|
* Socket constructor.
|
|
*
|
|
* @param {String|Object} uri or options
|
|
* @param {Object} options
|
|
* @api public
|
|
*/
|
|
|
|
function Socket(uri, opts){
|
|
if (!(this instanceof Socket)) return new Socket(uri, opts);
|
|
|
|
opts = opts || {};
|
|
|
|
if (uri && 'object' == typeof uri) {
|
|
opts = uri;
|
|
uri = null;
|
|
}
|
|
|
|
if (uri) {
|
|
uri = parseuri(uri);
|
|
opts.host = uri.host;
|
|
opts.secure = uri.protocol == 'https' || uri.protocol == 'wss';
|
|
opts.port = uri.port;
|
|
if (uri.query) opts.query = uri.query;
|
|
}
|
|
|
|
this.secure = null != opts.secure ? opts.secure :
|
|
(global.location && 'https:' == location.protocol);
|
|
|
|
if (opts.host) {
|
|
var pieces = opts.host.split(':');
|
|
opts.hostname = pieces.shift();
|
|
if (pieces.length) {
|
|
opts.port = pieces.pop();
|
|
} else if (!opts.port) {
|
|
// if no port is specified manually, use the protocol default
|
|
opts.port = this.secure ? '443' : '80';
|
|
}
|
|
}
|
|
|
|
this.agent = opts.agent || false;
|
|
this.hostname = opts.hostname ||
|
|
(global.location ? location.hostname : 'localhost');
|
|
this.port = opts.port || (global.location && location.port ?
|
|
location.port :
|
|
(this.secure ? 443 : 80));
|
|
this.query = opts.query || {};
|
|
if ('string' == typeof this.query) this.query = parseqs.decode(this.query);
|
|
this.upgrade = false !== opts.upgrade;
|
|
this.path = (opts.path || '/engine.io').replace(/\/$/, '') + '/';
|
|
this.forceJSONP = !!opts.forceJSONP;
|
|
this.jsonp = false !== opts.jsonp;
|
|
this.forceBase64 = !!opts.forceBase64;
|
|
this.enablesXDR = !!opts.enablesXDR;
|
|
this.timestampParam = opts.timestampParam || 't';
|
|
this.timestampRequests = opts.timestampRequests;
|
|
this.transports = opts.transports || ['polling', 'websocket'];
|
|
this.readyState = '';
|
|
this.writeBuffer = [];
|
|
this.callbackBuffer = [];
|
|
this.policyPort = opts.policyPort || 843;
|
|
this.rememberUpgrade = opts.rememberUpgrade || false;
|
|
this.binaryType = null;
|
|
this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;
|
|
|
|
// SSL options for Node.js client
|
|
this.pfx = opts.pfx || null;
|
|
this.key = opts.key || null;
|
|
this.passphrase = opts.passphrase || null;
|
|
this.cert = opts.cert || null;
|
|
this.ca = opts.ca || null;
|
|
this.ciphers = opts.ciphers || null;
|
|
this.rejectUnauthorized = opts.rejectUnauthorized || null;
|
|
|
|
this.open();
|
|
}
|
|
|
|
Socket.priorWebsocketSuccess = false;
|
|
|
|
/**
|
|
* Mix in `Emitter`.
|
|
*/
|
|
|
|
Emitter(Socket.prototype);
|
|
|
|
/**
|
|
* Protocol version.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.protocol = parser.protocol; // this is an int
|
|
|
|
/**
|
|
* Expose deps for legacy compatibility
|
|
* and standalone browser access.
|
|
*/
|
|
|
|
Socket.Socket = Socket;
|
|
Socket.Transport = _dereq_('./transport');
|
|
Socket.transports = _dereq_('./transports');
|
|
Socket.parser = _dereq_('engine.io-parser');
|
|
|
|
/**
|
|
* Creates transport of the given type.
|
|
*
|
|
* @param {String} transport name
|
|
* @return {Transport}
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.createTransport = function (name) {
|
|
debug('creating transport "%s"', name);
|
|
var query = clone(this.query);
|
|
|
|
// append engine.io protocol identifier
|
|
query.EIO = parser.protocol;
|
|
|
|
// transport name
|
|
query.transport = name;
|
|
|
|
// session id if we already have one
|
|
if (this.id) query.sid = this.id;
|
|
|
|
var transport = new transports[name]({
|
|
agent: this.agent,
|
|
hostname: this.hostname,
|
|
port: this.port,
|
|
secure: this.secure,
|
|
path: this.path,
|
|
query: query,
|
|
forceJSONP: this.forceJSONP,
|
|
jsonp: this.jsonp,
|
|
forceBase64: this.forceBase64,
|
|
enablesXDR: this.enablesXDR,
|
|
timestampRequests: this.timestampRequests,
|
|
timestampParam: this.timestampParam,
|
|
policyPort: this.policyPort,
|
|
socket: this,
|
|
pfx: this.pfx,
|
|
key: this.key,
|
|
passphrase: this.passphrase,
|
|
cert: this.cert,
|
|
ca: this.ca,
|
|
ciphers: this.ciphers,
|
|
rejectUnauthorized: this.rejectUnauthorized
|
|
});
|
|
|
|
return transport;
|
|
};
|
|
|
|
function clone (obj) {
|
|
var o = {};
|
|
for (var i in obj) {
|
|
if (obj.hasOwnProperty(i)) {
|
|
o[i] = obj[i];
|
|
}
|
|
}
|
|
return o;
|
|
}
|
|
|
|
/**
|
|
* Initializes transport to use and starts probe.
|
|
*
|
|
* @api private
|
|
*/
|
|
Socket.prototype.open = function () {
|
|
var transport;
|
|
if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') != -1) {
|
|
transport = 'websocket';
|
|
} else if (0 == this.transports.length) {
|
|
// Emit error on next tick so it can be listened to
|
|
var self = this;
|
|
setTimeout(function() {
|
|
self.emit('error', 'No transports available');
|
|
}, 0);
|
|
return;
|
|
} else {
|
|
transport = this.transports[0];
|
|
}
|
|
this.readyState = 'opening';
|
|
|
|
// Retry with the next transport if the transport is disabled (jsonp: false)
|
|
var transport;
|
|
try {
|
|
transport = this.createTransport(transport);
|
|
} catch (e) {
|
|
this.transports.shift();
|
|
this.open();
|
|
return;
|
|
}
|
|
|
|
transport.open();
|
|
this.setTransport(transport);
|
|
};
|
|
|
|
/**
|
|
* Sets the current transport. Disables the existing one (if any).
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.setTransport = function(transport){
|
|
debug('setting transport %s', transport.name);
|
|
var self = this;
|
|
|
|
if (this.transport) {
|
|
debug('clearing existing transport %s', this.transport.name);
|
|
this.transport.removeAllListeners();
|
|
}
|
|
|
|
// set up transport
|
|
this.transport = transport;
|
|
|
|
// set up transport listeners
|
|
transport
|
|
.on('drain', function(){
|
|
self.onDrain();
|
|
})
|
|
.on('packet', function(packet){
|
|
self.onPacket(packet);
|
|
})
|
|
.on('error', function(e){
|
|
self.onError(e);
|
|
})
|
|
.on('close', function(){
|
|
self.onClose('transport close');
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Probes a transport.
|
|
*
|
|
* @param {String} transport name
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.probe = function (name) {
|
|
debug('probing transport "%s"', name);
|
|
var transport = this.createTransport(name, { probe: 1 })
|
|
, failed = false
|
|
, self = this;
|
|
|
|
Socket.priorWebsocketSuccess = false;
|
|
|
|
function onTransportOpen(){
|
|
if (self.onlyBinaryUpgrades) {
|
|
var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;
|
|
failed = failed || upgradeLosesBinary;
|
|
}
|
|
if (failed) return;
|
|
|
|
debug('probe transport "%s" opened', name);
|
|
transport.send([{ type: 'ping', data: 'probe' }]);
|
|
transport.once('packet', function (msg) {
|
|
if (failed) return;
|
|
if ('pong' == msg.type && 'probe' == msg.data) {
|
|
debug('probe transport "%s" pong', name);
|
|
self.upgrading = true;
|
|
self.emit('upgrading', transport);
|
|
if (!transport) return;
|
|
Socket.priorWebsocketSuccess = 'websocket' == transport.name;
|
|
|
|
debug('pausing current transport "%s"', self.transport.name);
|
|
self.transport.pause(function () {
|
|
if (failed) return;
|
|
if ('closed' == self.readyState) return;
|
|
debug('changing transport and sending upgrade packet');
|
|
|
|
cleanup();
|
|
|
|
self.setTransport(transport);
|
|
transport.send([{ type: 'upgrade' }]);
|
|
self.emit('upgrade', transport);
|
|
transport = null;
|
|
self.upgrading = false;
|
|
self.flush();
|
|
});
|
|
} else {
|
|
debug('probe transport "%s" failed', name);
|
|
var err = new Error('probe error');
|
|
err.transport = transport.name;
|
|
self.emit('upgradeError', err);
|
|
}
|
|
});
|
|
}
|
|
|
|
function freezeTransport() {
|
|
if (failed) return;
|
|
|
|
// Any callback called by transport should be ignored since now
|
|
failed = true;
|
|
|
|
cleanup();
|
|
|
|
transport.close();
|
|
transport = null;
|
|
}
|
|
|
|
//Handle any error that happens while probing
|
|
function onerror(err) {
|
|
var error = new Error('probe error: ' + err);
|
|
error.transport = transport.name;
|
|
|
|
freezeTransport();
|
|
|
|
debug('probe transport "%s" failed because of error: %s', name, err);
|
|
|
|
self.emit('upgradeError', error);
|
|
}
|
|
|
|
function onTransportClose(){
|
|
onerror("transport closed");
|
|
}
|
|
|
|
//When the socket is closed while we're probing
|
|
function onclose(){
|
|
onerror("socket closed");
|
|
}
|
|
|
|
//When the socket is upgraded while we're probing
|
|
function onupgrade(to){
|
|
if (transport && to.name != transport.name) {
|
|
debug('"%s" works - aborting "%s"', to.name, transport.name);
|
|
freezeTransport();
|
|
}
|
|
}
|
|
|
|
//Remove all listeners on the transport and on self
|
|
function cleanup(){
|
|
transport.removeListener('open', onTransportOpen);
|
|
transport.removeListener('error', onerror);
|
|
transport.removeListener('close', onTransportClose);
|
|
self.removeListener('close', onclose);
|
|
self.removeListener('upgrading', onupgrade);
|
|
}
|
|
|
|
transport.once('open', onTransportOpen);
|
|
transport.once('error', onerror);
|
|
transport.once('close', onTransportClose);
|
|
|
|
this.once('close', onclose);
|
|
this.once('upgrading', onupgrade);
|
|
|
|
transport.open();
|
|
|
|
};
|
|
|
|
/**
|
|
* Called when connection is deemed open.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.onOpen = function () {
|
|
debug('socket open');
|
|
this.readyState = 'open';
|
|
Socket.priorWebsocketSuccess = 'websocket' == this.transport.name;
|
|
this.emit('open');
|
|
this.flush();
|
|
|
|
// we check for `readyState` in case an `open`
|
|
// listener already closed the socket
|
|
if ('open' == this.readyState && this.upgrade && this.transport.pause) {
|
|
debug('starting upgrade probes');
|
|
for (var i = 0, l = this.upgrades.length; i < l; i++) {
|
|
this.probe(this.upgrades[i]);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Handles a packet.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onPacket = function (packet) {
|
|
if ('opening' == this.readyState || 'open' == this.readyState) {
|
|
debug('socket receive: type "%s", data "%s"', packet.type, packet.data);
|
|
|
|
this.emit('packet', packet);
|
|
|
|
// Socket is live - any packet counts
|
|
this.emit('heartbeat');
|
|
|
|
switch (packet.type) {
|
|
case 'open':
|
|
this.onHandshake(parsejson(packet.data));
|
|
break;
|
|
|
|
case 'pong':
|
|
this.setPing();
|
|
break;
|
|
|
|
case 'error':
|
|
var err = new Error('server error');
|
|
err.code = packet.data;
|
|
this.emit('error', err);
|
|
break;
|
|
|
|
case 'message':
|
|
this.emit('data', packet.data);
|
|
this.emit('message', packet.data);
|
|
break;
|
|
}
|
|
} else {
|
|
debug('packet received with socket readyState "%s"', this.readyState);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon handshake completion.
|
|
*
|
|
* @param {Object} handshake obj
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onHandshake = function (data) {
|
|
this.emit('handshake', data);
|
|
this.id = data.sid;
|
|
this.transport.query.sid = data.sid;
|
|
this.upgrades = this.filterUpgrades(data.upgrades);
|
|
this.pingInterval = data.pingInterval;
|
|
this.pingTimeout = data.pingTimeout;
|
|
this.onOpen();
|
|
// In case open handler closes socket
|
|
if ('closed' == this.readyState) return;
|
|
this.setPing();
|
|
|
|
// Prolong liveness of socket on heartbeat
|
|
this.removeListener('heartbeat', this.onHeartbeat);
|
|
this.on('heartbeat', this.onHeartbeat);
|
|
};
|
|
|
|
/**
|
|
* Resets ping timeout.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onHeartbeat = function (timeout) {
|
|
clearTimeout(this.pingTimeoutTimer);
|
|
var self = this;
|
|
self.pingTimeoutTimer = setTimeout(function () {
|
|
if ('closed' == self.readyState) return;
|
|
self.onClose('ping timeout');
|
|
}, timeout || (self.pingInterval + self.pingTimeout));
|
|
};
|
|
|
|
/**
|
|
* Pings server every `this.pingInterval` and expects response
|
|
* within `this.pingTimeout` or closes connection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.setPing = function () {
|
|
var self = this;
|
|
clearTimeout(self.pingIntervalTimer);
|
|
self.pingIntervalTimer = setTimeout(function () {
|
|
debug('writing ping packet - expecting pong within %sms', self.pingTimeout);
|
|
self.ping();
|
|
self.onHeartbeat(self.pingTimeout);
|
|
}, self.pingInterval);
|
|
};
|
|
|
|
/**
|
|
* Sends a ping packet.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.ping = function () {
|
|
this.sendPacket('ping');
|
|
};
|
|
|
|
/**
|
|
* Called on `drain` event
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onDrain = function() {
|
|
for (var i = 0; i < this.prevBufferLen; i++) {
|
|
if (this.callbackBuffer[i]) {
|
|
this.callbackBuffer[i]();
|
|
}
|
|
}
|
|
|
|
this.writeBuffer.splice(0, this.prevBufferLen);
|
|
this.callbackBuffer.splice(0, this.prevBufferLen);
|
|
|
|
// setting prevBufferLen = 0 is very important
|
|
// for example, when upgrading, upgrade packet is sent over,
|
|
// and a nonzero prevBufferLen could cause problems on `drain`
|
|
this.prevBufferLen = 0;
|
|
|
|
if (this.writeBuffer.length == 0) {
|
|
this.emit('drain');
|
|
} else {
|
|
this.flush();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Flush write buffers.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.flush = function () {
|
|
if ('closed' != this.readyState && this.transport.writable &&
|
|
!this.upgrading && this.writeBuffer.length) {
|
|
debug('flushing %d packets in socket', this.writeBuffer.length);
|
|
this.transport.send(this.writeBuffer);
|
|
// keep track of current length of writeBuffer
|
|
// splice writeBuffer and callbackBuffer on `drain`
|
|
this.prevBufferLen = this.writeBuffer.length;
|
|
this.emit('flush');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sends a message.
|
|
*
|
|
* @param {String} message.
|
|
* @param {Function} callback function.
|
|
* @return {Socket} for chaining.
|
|
* @api public
|
|
*/
|
|
|
|
Socket.prototype.write =
|
|
Socket.prototype.send = function (msg, fn) {
|
|
this.sendPacket('message', msg, fn);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends a packet.
|
|
*
|
|
* @param {String} packet type.
|
|
* @param {String} data.
|
|
* @param {Function} callback function.
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.sendPacket = function (type, data, fn) {
|
|
if ('closing' == this.readyState || 'closed' == this.readyState) {
|
|
return;
|
|
}
|
|
|
|
var packet = { type: type, data: data };
|
|
this.emit('packetCreate', packet);
|
|
this.writeBuffer.push(packet);
|
|
this.callbackBuffer.push(fn);
|
|
this.flush();
|
|
};
|
|
|
|
/**
|
|
* Closes the connection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.close = function () {
|
|
if ('opening' == this.readyState || 'open' == this.readyState) {
|
|
this.readyState = 'closing';
|
|
|
|
var self = this;
|
|
|
|
function close() {
|
|
self.onClose('forced close');
|
|
debug('socket closing - telling transport to close');
|
|
self.transport.close();
|
|
}
|
|
|
|
function cleanupAndClose() {
|
|
self.removeListener('upgrade', cleanupAndClose);
|
|
self.removeListener('upgradeError', cleanupAndClose);
|
|
close();
|
|
}
|
|
|
|
function waitForUpgrade() {
|
|
// wait for upgrade to finish since we can't send packets while pausing a transport
|
|
self.once('upgrade', cleanupAndClose);
|
|
self.once('upgradeError', cleanupAndClose);
|
|
}
|
|
|
|
if (this.writeBuffer.length) {
|
|
this.once('drain', function() {
|
|
if (this.upgrading) {
|
|
waitForUpgrade();
|
|
} else {
|
|
close();
|
|
}
|
|
});
|
|
} else if (this.upgrading) {
|
|
waitForUpgrade();
|
|
} else {
|
|
close();
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Called upon transport error
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onError = function (err) {
|
|
debug('socket error %j', err);
|
|
Socket.priorWebsocketSuccess = false;
|
|
this.emit('error', err);
|
|
this.onClose('transport error', err);
|
|
};
|
|
|
|
/**
|
|
* Called upon transport close.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Socket.prototype.onClose = function (reason, desc) {
|
|
if ('opening' == this.readyState || 'open' == this.readyState || 'closing' == this.readyState) {
|
|
debug('socket close with reason: "%s"', reason);
|
|
var self = this;
|
|
|
|
// clear timers
|
|
clearTimeout(this.pingIntervalTimer);
|
|
clearTimeout(this.pingTimeoutTimer);
|
|
|
|
// clean buffers in next tick, so developers can still
|
|
// grab the buffers on `close` event
|
|
setTimeout(function() {
|
|
self.writeBuffer = [];
|
|
self.callbackBuffer = [];
|
|
self.prevBufferLen = 0;
|
|
}, 0);
|
|
|
|
// stop event from firing again for transport
|
|
this.transport.removeAllListeners('close');
|
|
|
|
// ensure transport won't stay open
|
|
this.transport.close();
|
|
|
|
// ignore further transport communication
|
|
this.transport.removeAllListeners();
|
|
|
|
// set ready state
|
|
this.readyState = 'closed';
|
|
|
|
// clear session id
|
|
this.id = null;
|
|
|
|
// emit close event
|
|
this.emit('close', reason, desc);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Filters upgrades, returning only those matching client transports.
|
|
*
|
|
* @param {Array} server upgrades
|
|
* @api private
|
|
*
|
|
*/
|
|
|
|
Socket.prototype.filterUpgrades = function (upgrades) {
|
|
var filteredUpgrades = [];
|
|
for (var i = 0, j = upgrades.length; i<j; i++) {
|
|
if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);
|
|
}
|
|
return filteredUpgrades;
|
|
};
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./transport":14,"./transports":15,"component-emitter":9,"debug":22,"engine.io-parser":25,"indexof":42,"parsejson":34,"parseqs":35,"parseuri":36}],14:[function(_dereq_,module,exports){
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var parser = _dereq_('engine.io-parser');
|
|
var Emitter = _dereq_('component-emitter');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = Transport;
|
|
|
|
/**
|
|
* Transport abstract constructor.
|
|
*
|
|
* @param {Object} options.
|
|
* @api private
|
|
*/
|
|
|
|
function Transport (opts) {
|
|
this.path = opts.path;
|
|
this.hostname = opts.hostname;
|
|
this.port = opts.port;
|
|
this.secure = opts.secure;
|
|
this.query = opts.query;
|
|
this.timestampParam = opts.timestampParam;
|
|
this.timestampRequests = opts.timestampRequests;
|
|
this.readyState = '';
|
|
this.agent = opts.agent || false;
|
|
this.socket = opts.socket;
|
|
this.enablesXDR = opts.enablesXDR;
|
|
|
|
// SSL options for Node.js client
|
|
this.pfx = opts.pfx;
|
|
this.key = opts.key;
|
|
this.passphrase = opts.passphrase;
|
|
this.cert = opts.cert;
|
|
this.ca = opts.ca;
|
|
this.ciphers = opts.ciphers;
|
|
this.rejectUnauthorized = opts.rejectUnauthorized;
|
|
}
|
|
|
|
/**
|
|
* Mix in `Emitter`.
|
|
*/
|
|
|
|
Emitter(Transport.prototype);
|
|
|
|
/**
|
|
* A counter used to prevent collisions in the timestamps used
|
|
* for cache busting.
|
|
*/
|
|
|
|
Transport.timestamps = 0;
|
|
|
|
/**
|
|
* Emits an error.
|
|
*
|
|
* @param {String} str
|
|
* @return {Transport} for chaining
|
|
* @api public
|
|
*/
|
|
|
|
Transport.prototype.onError = function (msg, desc) {
|
|
var err = new Error(msg);
|
|
err.type = 'TransportError';
|
|
err.description = desc;
|
|
this.emit('error', err);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Opens the transport.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Transport.prototype.open = function () {
|
|
if ('closed' == this.readyState || '' == this.readyState) {
|
|
this.readyState = 'opening';
|
|
this.doOpen();
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Closes the transport.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.close = function () {
|
|
if ('opening' == this.readyState || 'open' == this.readyState) {
|
|
this.doClose();
|
|
this.onClose();
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Sends multiple packets.
|
|
*
|
|
* @param {Array} packets
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.send = function(packets){
|
|
if ('open' == this.readyState) {
|
|
this.write(packets);
|
|
} else {
|
|
throw new Error('Transport not open');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon open
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onOpen = function () {
|
|
this.readyState = 'open';
|
|
this.writable = true;
|
|
this.emit('open');
|
|
};
|
|
|
|
/**
|
|
* Called with data.
|
|
*
|
|
* @param {String} data
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onData = function(data){
|
|
var packet = parser.decodePacket(data, this.socket.binaryType);
|
|
this.onPacket(packet);
|
|
};
|
|
|
|
/**
|
|
* Called with a decoded packet.
|
|
*/
|
|
|
|
Transport.prototype.onPacket = function (packet) {
|
|
this.emit('packet', packet);
|
|
};
|
|
|
|
/**
|
|
* Called upon close.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Transport.prototype.onClose = function () {
|
|
this.readyState = 'closed';
|
|
this.emit('close');
|
|
};
|
|
|
|
},{"component-emitter":9,"engine.io-parser":25}],15:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* Module dependencies
|
|
*/
|
|
|
|
var XMLHttpRequest = _dereq_('xmlhttprequest');
|
|
var XHR = _dereq_('./polling-xhr');
|
|
var JSONP = _dereq_('./polling-jsonp');
|
|
var websocket = _dereq_('./websocket');
|
|
|
|
/**
|
|
* Export transports.
|
|
*/
|
|
|
|
exports.polling = polling;
|
|
exports.websocket = websocket;
|
|
|
|
/**
|
|
* Polling transport polymorphic constructor.
|
|
* Decides on xhr vs jsonp based on feature detection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function polling(opts){
|
|
var xhr;
|
|
var xd = false;
|
|
var xs = false;
|
|
var jsonp = false !== opts.jsonp;
|
|
|
|
if (global.location) {
|
|
var isSSL = 'https:' == location.protocol;
|
|
var port = location.port;
|
|
|
|
// some user agents have empty `location.port`
|
|
if (!port) {
|
|
port = isSSL ? 443 : 80;
|
|
}
|
|
|
|
xd = opts.hostname != location.hostname || port != opts.port;
|
|
xs = opts.secure != isSSL;
|
|
}
|
|
|
|
opts.xdomain = xd;
|
|
opts.xscheme = xs;
|
|
xhr = new XMLHttpRequest(opts);
|
|
|
|
if ('open' in xhr && !opts.forceJSONP) {
|
|
return new XHR(opts);
|
|
} else {
|
|
if (!jsonp) throw new Error('JSONP disabled');
|
|
return new JSONP(opts);
|
|
}
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./polling-jsonp":16,"./polling-xhr":17,"./websocket":19,"xmlhttprequest":20}],16:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
|
|
/**
|
|
* Module requirements.
|
|
*/
|
|
|
|
var Polling = _dereq_('./polling');
|
|
var inherit = _dereq_('component-inherit');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = JSONPPolling;
|
|
|
|
/**
|
|
* Cached regular expressions.
|
|
*/
|
|
|
|
var rNewline = /\n/g;
|
|
var rEscapedNewline = /\\n/g;
|
|
|
|
/**
|
|
* Global JSONP callbacks.
|
|
*/
|
|
|
|
var callbacks;
|
|
|
|
/**
|
|
* Callbacks count.
|
|
*/
|
|
|
|
var index = 0;
|
|
|
|
/**
|
|
* Noop.
|
|
*/
|
|
|
|
function empty () { }
|
|
|
|
/**
|
|
* JSONP Polling constructor.
|
|
*
|
|
* @param {Object} opts.
|
|
* @api public
|
|
*/
|
|
|
|
function JSONPPolling (opts) {
|
|
Polling.call(this, opts);
|
|
|
|
this.query = this.query || {};
|
|
|
|
// define global callbacks array if not present
|
|
// we do this here (lazily) to avoid unneeded global pollution
|
|
if (!callbacks) {
|
|
// we need to consider multiple engines in the same page
|
|
if (!global.___eio) global.___eio = [];
|
|
callbacks = global.___eio;
|
|
}
|
|
|
|
// callback identifier
|
|
this.index = callbacks.length;
|
|
|
|
// add callback to jsonp global
|
|
var self = this;
|
|
callbacks.push(function (msg) {
|
|
self.onData(msg);
|
|
});
|
|
|
|
// append to query string
|
|
this.query.j = this.index;
|
|
|
|
// prevent spurious errors from being emitted when the window is unloaded
|
|
if (global.document && global.addEventListener) {
|
|
global.addEventListener('beforeunload', function () {
|
|
if (self.script) self.script.onerror = empty;
|
|
}, false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Inherits from Polling.
|
|
*/
|
|
|
|
inherit(JSONPPolling, Polling);
|
|
|
|
/*
|
|
* JSONP only supports binary as base64 encoded strings
|
|
*/
|
|
|
|
JSONPPolling.prototype.supportsBinary = false;
|
|
|
|
/**
|
|
* Closes the socket.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.doClose = function () {
|
|
if (this.script) {
|
|
this.script.parentNode.removeChild(this.script);
|
|
this.script = null;
|
|
}
|
|
|
|
if (this.form) {
|
|
this.form.parentNode.removeChild(this.form);
|
|
this.form = null;
|
|
this.iframe = null;
|
|
}
|
|
|
|
Polling.prototype.doClose.call(this);
|
|
};
|
|
|
|
/**
|
|
* Starts a poll cycle.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.doPoll = function () {
|
|
var self = this;
|
|
var script = document.createElement('script');
|
|
|
|
if (this.script) {
|
|
this.script.parentNode.removeChild(this.script);
|
|
this.script = null;
|
|
}
|
|
|
|
script.async = true;
|
|
script.src = this.uri();
|
|
script.onerror = function(e){
|
|
self.onError('jsonp poll error',e);
|
|
};
|
|
|
|
var insertAt = document.getElementsByTagName('script')[0];
|
|
insertAt.parentNode.insertBefore(script, insertAt);
|
|
this.script = script;
|
|
|
|
var isUAgecko = 'undefined' != typeof navigator && /gecko/i.test(navigator.userAgent);
|
|
|
|
if (isUAgecko) {
|
|
setTimeout(function () {
|
|
var iframe = document.createElement('iframe');
|
|
document.body.appendChild(iframe);
|
|
document.body.removeChild(iframe);
|
|
}, 100);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Writes with a hidden iframe.
|
|
*
|
|
* @param {String} data to send
|
|
* @param {Function} called upon flush.
|
|
* @api private
|
|
*/
|
|
|
|
JSONPPolling.prototype.doWrite = function (data, fn) {
|
|
var self = this;
|
|
|
|
if (!this.form) {
|
|
var form = document.createElement('form');
|
|
var area = document.createElement('textarea');
|
|
var id = this.iframeId = 'eio_iframe_' + this.index;
|
|
var iframe;
|
|
|
|
form.className = 'socketio';
|
|
form.style.position = 'absolute';
|
|
form.style.top = '-1000px';
|
|
form.style.left = '-1000px';
|
|
form.target = id;
|
|
form.method = 'POST';
|
|
form.setAttribute('accept-charset', 'utf-8');
|
|
area.name = 'd';
|
|
form.appendChild(area);
|
|
document.body.appendChild(form);
|
|
|
|
this.form = form;
|
|
this.area = area;
|
|
}
|
|
|
|
this.form.action = this.uri();
|
|
|
|
function complete () {
|
|
initIframe();
|
|
fn();
|
|
}
|
|
|
|
function initIframe () {
|
|
if (self.iframe) {
|
|
try {
|
|
self.form.removeChild(self.iframe);
|
|
} catch (e) {
|
|
self.onError('jsonp polling iframe removal error', e);
|
|
}
|
|
}
|
|
|
|
try {
|
|
// ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
|
|
var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">';
|
|
iframe = document.createElement(html);
|
|
} catch (e) {
|
|
iframe = document.createElement('iframe');
|
|
iframe.name = self.iframeId;
|
|
iframe.src = 'javascript:0';
|
|
}
|
|
|
|
iframe.id = self.iframeId;
|
|
|
|
self.form.appendChild(iframe);
|
|
self.iframe = iframe;
|
|
}
|
|
|
|
initIframe();
|
|
|
|
// escape \n to prevent it from being converted into \r\n by some UAs
|
|
// double escaping is required for escaped new lines because unescaping of new lines can be done safely on server-side
|
|
data = data.replace(rEscapedNewline, '\\\n');
|
|
this.area.value = data.replace(rNewline, '\\n');
|
|
|
|
try {
|
|
this.form.submit();
|
|
} catch(e) {}
|
|
|
|
if (this.iframe.attachEvent) {
|
|
this.iframe.onreadystatechange = function(){
|
|
if (self.iframe.readyState == 'complete') {
|
|
complete();
|
|
}
|
|
};
|
|
} else {
|
|
this.iframe.onload = complete;
|
|
}
|
|
};
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./polling":18,"component-inherit":21}],17:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* Module requirements.
|
|
*/
|
|
|
|
var XMLHttpRequest = _dereq_('xmlhttprequest');
|
|
var Polling = _dereq_('./polling');
|
|
var Emitter = _dereq_('component-emitter');
|
|
var inherit = _dereq_('component-inherit');
|
|
var debug = _dereq_('debug')('engine.io-client:polling-xhr');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = XHR;
|
|
module.exports.Request = Request;
|
|
|
|
/**
|
|
* Empty function
|
|
*/
|
|
|
|
function empty(){}
|
|
|
|
/**
|
|
* XHR Polling constructor.
|
|
*
|
|
* @param {Object} opts
|
|
* @api public
|
|
*/
|
|
|
|
function XHR(opts){
|
|
Polling.call(this, opts);
|
|
|
|
if (global.location) {
|
|
var isSSL = 'https:' == location.protocol;
|
|
var port = location.port;
|
|
|
|
// some user agents have empty `location.port`
|
|
if (!port) {
|
|
port = isSSL ? 443 : 80;
|
|
}
|
|
|
|
this.xd = opts.hostname != global.location.hostname ||
|
|
port != opts.port;
|
|
this.xs = opts.secure != isSSL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Inherits from Polling.
|
|
*/
|
|
|
|
inherit(XHR, Polling);
|
|
|
|
/**
|
|
* XHR supports binary
|
|
*/
|
|
|
|
XHR.prototype.supportsBinary = true;
|
|
|
|
/**
|
|
* Creates a request.
|
|
*
|
|
* @param {String} method
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.request = function(opts){
|
|
opts = opts || {};
|
|
opts.uri = this.uri();
|
|
opts.xd = this.xd;
|
|
opts.xs = this.xs;
|
|
opts.agent = this.agent || false;
|
|
opts.supportsBinary = this.supportsBinary;
|
|
opts.enablesXDR = this.enablesXDR;
|
|
|
|
// SSL options for Node.js client
|
|
opts.pfx = this.pfx;
|
|
opts.key = this.key;
|
|
opts.passphrase = this.passphrase;
|
|
opts.cert = this.cert;
|
|
opts.ca = this.ca;
|
|
opts.ciphers = this.ciphers;
|
|
opts.rejectUnauthorized = this.rejectUnauthorized;
|
|
|
|
return new Request(opts);
|
|
};
|
|
|
|
/**
|
|
* Sends data.
|
|
*
|
|
* @param {String} data to send.
|
|
* @param {Function} called upon flush.
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.doWrite = function(data, fn){
|
|
var isBinary = typeof data !== 'string' && data !== undefined;
|
|
var req = this.request({ method: 'POST', data: data, isBinary: isBinary });
|
|
var self = this;
|
|
req.on('success', fn);
|
|
req.on('error', function(err){
|
|
self.onError('xhr post error', err);
|
|
});
|
|
this.sendXhr = req;
|
|
};
|
|
|
|
/**
|
|
* Starts a poll cycle.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
XHR.prototype.doPoll = function(){
|
|
debug('xhr poll');
|
|
var req = this.request();
|
|
var self = this;
|
|
req.on('data', function(data){
|
|
self.onData(data);
|
|
});
|
|
req.on('error', function(err){
|
|
self.onError('xhr poll error', err);
|
|
});
|
|
this.pollXhr = req;
|
|
};
|
|
|
|
/**
|
|
* Request constructor
|
|
*
|
|
* @param {Object} options
|
|
* @api public
|
|
*/
|
|
|
|
function Request(opts){
|
|
this.method = opts.method || 'GET';
|
|
this.uri = opts.uri;
|
|
this.xd = !!opts.xd;
|
|
this.xs = !!opts.xs;
|
|
this.async = false !== opts.async;
|
|
this.data = undefined != opts.data ? opts.data : null;
|
|
this.agent = opts.agent;
|
|
this.isBinary = opts.isBinary;
|
|
this.supportsBinary = opts.supportsBinary;
|
|
this.enablesXDR = opts.enablesXDR;
|
|
|
|
// SSL options for Node.js client
|
|
this.pfx = opts.pfx;
|
|
this.key = opts.key;
|
|
this.passphrase = opts.passphrase;
|
|
this.cert = opts.cert;
|
|
this.ca = opts.ca;
|
|
this.ciphers = opts.ciphers;
|
|
this.rejectUnauthorized = opts.rejectUnauthorized;
|
|
|
|
this.create();
|
|
}
|
|
|
|
/**
|
|
* Mix in `Emitter`.
|
|
*/
|
|
|
|
Emitter(Request.prototype);
|
|
|
|
/**
|
|
* Creates the XHR object and sends the request.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.create = function(){
|
|
var opts = { agent: this.agent, xdomain: this.xd, xscheme: this.xs, enablesXDR: this.enablesXDR };
|
|
|
|
// SSL options for Node.js client
|
|
opts.pfx = this.pfx;
|
|
opts.key = this.key;
|
|
opts.passphrase = this.passphrase;
|
|
opts.cert = this.cert;
|
|
opts.ca = this.ca;
|
|
opts.ciphers = this.ciphers;
|
|
opts.rejectUnauthorized = this.rejectUnauthorized;
|
|
|
|
var xhr = this.xhr = new XMLHttpRequest(opts);
|
|
var self = this;
|
|
|
|
try {
|
|
debug('xhr open %s: %s', this.method, this.uri);
|
|
xhr.open(this.method, this.uri, this.async);
|
|
if (this.supportsBinary) {
|
|
// This has to be done after open because Firefox is stupid
|
|
// http://stackoverflow.com/questions/13216903/get-binary-data-with-xmlhttprequest-in-a-firefox-extension
|
|
xhr.responseType = 'arraybuffer';
|
|
}
|
|
|
|
if ('POST' == this.method) {
|
|
try {
|
|
if (this.isBinary) {
|
|
xhr.setRequestHeader('Content-type', 'application/octet-stream');
|
|
} else {
|
|
xhr.setRequestHeader('Content-type', 'text/plain;charset=UTF-8');
|
|
}
|
|
} catch (e) {}
|
|
}
|
|
|
|
// ie6 check
|
|
if ('withCredentials' in xhr) {
|
|
xhr.withCredentials = true;
|
|
}
|
|
|
|
if (this.hasXDR()) {
|
|
xhr.onload = function(){
|
|
self.onLoad();
|
|
};
|
|
xhr.onerror = function(){
|
|
self.onError(xhr.responseText);
|
|
};
|
|
} else {
|
|
xhr.onreadystatechange = function(){
|
|
if (4 != xhr.readyState) return;
|
|
if (200 == xhr.status || 1223 == xhr.status) {
|
|
self.onLoad();
|
|
} else {
|
|
// make sure the `error` event handler that's user-set
|
|
// does not throw in the same tick and gets caught here
|
|
setTimeout(function(){
|
|
self.onError(xhr.status);
|
|
}, 0);
|
|
}
|
|
};
|
|
}
|
|
|
|
debug('xhr data %s', this.data);
|
|
xhr.send(this.data);
|
|
} catch (e) {
|
|
// Need to defer since .create() is called directly fhrom the constructor
|
|
// and thus the 'error' event can only be only bound *after* this exception
|
|
// occurs. Therefore, also, we cannot throw here at all.
|
|
setTimeout(function() {
|
|
self.onError(e);
|
|
}, 0);
|
|
return;
|
|
}
|
|
|
|
if (global.document) {
|
|
this.index = Request.requestsCount++;
|
|
Request.requests[this.index] = this;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Called upon successful response.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.onSuccess = function(){
|
|
this.emit('success');
|
|
this.cleanup();
|
|
};
|
|
|
|
/**
|
|
* Called if we have data.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.onData = function(data){
|
|
this.emit('data', data);
|
|
this.onSuccess();
|
|
};
|
|
|
|
/**
|
|
* Called upon error.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.onError = function(err){
|
|
this.emit('error', err);
|
|
this.cleanup(true);
|
|
};
|
|
|
|
/**
|
|
* Cleans up house.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.cleanup = function(fromError){
|
|
if ('undefined' == typeof this.xhr || null === this.xhr) {
|
|
return;
|
|
}
|
|
// xmlhttprequest
|
|
if (this.hasXDR()) {
|
|
this.xhr.onload = this.xhr.onerror = empty;
|
|
} else {
|
|
this.xhr.onreadystatechange = empty;
|
|
}
|
|
|
|
if (fromError) {
|
|
try {
|
|
this.xhr.abort();
|
|
} catch(e) {}
|
|
}
|
|
|
|
if (global.document) {
|
|
delete Request.requests[this.index];
|
|
}
|
|
|
|
this.xhr = null;
|
|
};
|
|
|
|
/**
|
|
* Called upon load.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.onLoad = function(){
|
|
var data;
|
|
try {
|
|
var contentType;
|
|
try {
|
|
contentType = this.xhr.getResponseHeader('Content-Type').split(';')[0];
|
|
} catch (e) {}
|
|
if (contentType === 'application/octet-stream') {
|
|
data = this.xhr.response;
|
|
} else {
|
|
if (!this.supportsBinary) {
|
|
data = this.xhr.responseText;
|
|
} else {
|
|
data = 'ok';
|
|
}
|
|
}
|
|
} catch (e) {
|
|
this.onError(e);
|
|
}
|
|
if (null != data) {
|
|
this.onData(data);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Check if it has XDomainRequest.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Request.prototype.hasXDR = function(){
|
|
return 'undefined' !== typeof global.XDomainRequest && !this.xs && this.enablesXDR;
|
|
};
|
|
|
|
/**
|
|
* Aborts the request.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Request.prototype.abort = function(){
|
|
this.cleanup();
|
|
};
|
|
|
|
/**
|
|
* Aborts pending requests when unloading the window. This is needed to prevent
|
|
* memory leaks (e.g. when using IE) and to ensure that no spurious error is
|
|
* emitted.
|
|
*/
|
|
|
|
if (global.document) {
|
|
Request.requestsCount = 0;
|
|
Request.requests = {};
|
|
if (global.attachEvent) {
|
|
global.attachEvent('onunload', unloadHandler);
|
|
} else if (global.addEventListener) {
|
|
global.addEventListener('beforeunload', unloadHandler, false);
|
|
}
|
|
}
|
|
|
|
function unloadHandler() {
|
|
for (var i in Request.requests) {
|
|
if (Request.requests.hasOwnProperty(i)) {
|
|
Request.requests[i].abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./polling":18,"component-emitter":9,"component-inherit":21,"debug":22,"xmlhttprequest":20}],18:[function(_dereq_,module,exports){
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var Transport = _dereq_('../transport');
|
|
var parseqs = _dereq_('parseqs');
|
|
var parser = _dereq_('engine.io-parser');
|
|
var inherit = _dereq_('component-inherit');
|
|
var debug = _dereq_('debug')('engine.io-client:polling');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = Polling;
|
|
|
|
/**
|
|
* Is XHR2 supported?
|
|
*/
|
|
|
|
var hasXHR2 = (function() {
|
|
var XMLHttpRequest = _dereq_('xmlhttprequest');
|
|
var xhr = new XMLHttpRequest({ xdomain: false });
|
|
return null != xhr.responseType;
|
|
})();
|
|
|
|
/**
|
|
* Polling interface.
|
|
*
|
|
* @param {Object} opts
|
|
* @api private
|
|
*/
|
|
|
|
function Polling(opts){
|
|
var forceBase64 = (opts && opts.forceBase64);
|
|
if (!hasXHR2 || forceBase64) {
|
|
this.supportsBinary = false;
|
|
}
|
|
Transport.call(this, opts);
|
|
}
|
|
|
|
/**
|
|
* Inherits from Transport.
|
|
*/
|
|
|
|
inherit(Polling, Transport);
|
|
|
|
/**
|
|
* Transport name.
|
|
*/
|
|
|
|
Polling.prototype.name = 'polling';
|
|
|
|
/**
|
|
* Opens the socket (triggers polling). We write a PING message to determine
|
|
* when the transport is open.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.doOpen = function(){
|
|
this.poll();
|
|
};
|
|
|
|
/**
|
|
* Pauses polling.
|
|
*
|
|
* @param {Function} callback upon buffers are flushed and transport is paused
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.pause = function(onPause){
|
|
var pending = 0;
|
|
var self = this;
|
|
|
|
this.readyState = 'pausing';
|
|
|
|
function pause(){
|
|
debug('paused');
|
|
self.readyState = 'paused';
|
|
onPause();
|
|
}
|
|
|
|
if (this.polling || !this.writable) {
|
|
var total = 0;
|
|
|
|
if (this.polling) {
|
|
debug('we are currently polling - waiting to pause');
|
|
total++;
|
|
this.once('pollComplete', function(){
|
|
debug('pre-pause polling complete');
|
|
--total || pause();
|
|
});
|
|
}
|
|
|
|
if (!this.writable) {
|
|
debug('we are currently writing - waiting to pause');
|
|
total++;
|
|
this.once('drain', function(){
|
|
debug('pre-pause writing complete');
|
|
--total || pause();
|
|
});
|
|
}
|
|
} else {
|
|
pause();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Starts polling cycle.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Polling.prototype.poll = function(){
|
|
debug('polling');
|
|
this.polling = true;
|
|
this.doPoll();
|
|
this.emit('poll');
|
|
};
|
|
|
|
/**
|
|
* Overloads onData to detect payloads.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.onData = function(data){
|
|
var self = this;
|
|
debug('polling got data %s', data);
|
|
var callback = function(packet, index, total) {
|
|
// if its the first message we consider the transport open
|
|
if ('opening' == self.readyState) {
|
|
self.onOpen();
|
|
}
|
|
|
|
// if its a close packet, we close the ongoing requests
|
|
if ('close' == packet.type) {
|
|
self.onClose();
|
|
return false;
|
|
}
|
|
|
|
// otherwise bypass onData and handle the message
|
|
self.onPacket(packet);
|
|
};
|
|
|
|
// decode payload
|
|
parser.decodePayload(data, this.socket.binaryType, callback);
|
|
|
|
// if an event did not trigger closing
|
|
if ('closed' != this.readyState) {
|
|
// if we got data we're not polling
|
|
this.polling = false;
|
|
this.emit('pollComplete');
|
|
|
|
if ('open' == this.readyState) {
|
|
this.poll();
|
|
} else {
|
|
debug('ignoring poll - transport state "%s"', this.readyState);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* For polling, send a close packet.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.doClose = function(){
|
|
var self = this;
|
|
|
|
function close(){
|
|
debug('writing close packet');
|
|
self.write([{ type: 'close' }]);
|
|
}
|
|
|
|
if ('open' == this.readyState) {
|
|
debug('transport open - closing');
|
|
close();
|
|
} else {
|
|
// in case we're trying to close while
|
|
// handshaking is in progress (GH-164)
|
|
debug('transport not open - deferring close');
|
|
this.once('open', close);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Writes a packets payload.
|
|
*
|
|
* @param {Array} data packets
|
|
* @param {Function} drain callback
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.write = function(packets){
|
|
var self = this;
|
|
this.writable = false;
|
|
var callbackfn = function() {
|
|
self.writable = true;
|
|
self.emit('drain');
|
|
};
|
|
|
|
var self = this;
|
|
parser.encodePayload(packets, this.supportsBinary, function(data) {
|
|
self.doWrite(data, callbackfn);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Generates uri for connection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
Polling.prototype.uri = function(){
|
|
var query = this.query || {};
|
|
var schema = this.secure ? 'https' : 'http';
|
|
var port = '';
|
|
|
|
// cache busting is forced
|
|
if (false !== this.timestampRequests) {
|
|
query[this.timestampParam] = +new Date + '-' + Transport.timestamps++;
|
|
}
|
|
|
|
if (!this.supportsBinary && !query.sid) {
|
|
query.b64 = 1;
|
|
}
|
|
|
|
query = parseqs.encode(query);
|
|
|
|
// avoid port if default for schema
|
|
if (this.port && (('https' == schema && this.port != 443) ||
|
|
('http' == schema && this.port != 80))) {
|
|
port = ':' + this.port;
|
|
}
|
|
|
|
// prepend ? to query
|
|
if (query.length) {
|
|
query = '?' + query;
|
|
}
|
|
|
|
return schema + '://' + this.hostname + port + this.path + query;
|
|
};
|
|
|
|
},{"../transport":14,"component-inherit":21,"debug":22,"engine.io-parser":25,"parseqs":35,"xmlhttprequest":20}],19:[function(_dereq_,module,exports){
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var Transport = _dereq_('../transport');
|
|
var parser = _dereq_('engine.io-parser');
|
|
var parseqs = _dereq_('parseqs');
|
|
var inherit = _dereq_('component-inherit');
|
|
var debug = _dereq_('debug')('engine.io-client:websocket');
|
|
|
|
/**
|
|
* `ws` exposes a WebSocket-compatible interface in
|
|
* Node, or the `WebSocket` or `MozWebSocket` globals
|
|
* in the browser.
|
|
*/
|
|
|
|
var WebSocket = _dereq_('ws');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = WS;
|
|
|
|
/**
|
|
* WebSocket transport constructor.
|
|
*
|
|
* @api {Object} connection options
|
|
* @api public
|
|
*/
|
|
|
|
function WS(opts){
|
|
var forceBase64 = (opts && opts.forceBase64);
|
|
if (forceBase64) {
|
|
this.supportsBinary = false;
|
|
}
|
|
Transport.call(this, opts);
|
|
}
|
|
|
|
/**
|
|
* Inherits from Transport.
|
|
*/
|
|
|
|
inherit(WS, Transport);
|
|
|
|
/**
|
|
* Transport name.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
WS.prototype.name = 'websocket';
|
|
|
|
/*
|
|
* WebSockets support binary
|
|
*/
|
|
|
|
WS.prototype.supportsBinary = true;
|
|
|
|
/**
|
|
* Opens socket.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.doOpen = function(){
|
|
if (!this.check()) {
|
|
// let probe timeout
|
|
return;
|
|
}
|
|
|
|
var self = this;
|
|
var uri = this.uri();
|
|
var protocols = void(0);
|
|
var opts = { agent: this.agent };
|
|
|
|
// SSL options for Node.js client
|
|
opts.pfx = this.pfx;
|
|
opts.key = this.key;
|
|
opts.passphrase = this.passphrase;
|
|
opts.cert = this.cert;
|
|
opts.ca = this.ca;
|
|
opts.ciphers = this.ciphers;
|
|
opts.rejectUnauthorized = this.rejectUnauthorized;
|
|
|
|
this.ws = new WebSocket(uri, protocols, opts);
|
|
|
|
if (this.ws.binaryType === undefined) {
|
|
this.supportsBinary = false;
|
|
}
|
|
|
|
this.ws.binaryType = 'arraybuffer';
|
|
this.addEventListeners();
|
|
};
|
|
|
|
/**
|
|
* Adds event listeners to the socket
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.addEventListeners = function(){
|
|
var self = this;
|
|
|
|
this.ws.onopen = function(){
|
|
self.onOpen();
|
|
};
|
|
this.ws.onclose = function(){
|
|
self.onClose();
|
|
};
|
|
this.ws.onmessage = function(ev){
|
|
self.onData(ev.data);
|
|
};
|
|
this.ws.onerror = function(e){
|
|
self.onError('websocket error', e);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Override `onData` to use a timer on iOS.
|
|
* See: https://gist.github.com/mloughran/2052006
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
if ('undefined' != typeof navigator
|
|
&& /iPad|iPhone|iPod/i.test(navigator.userAgent)) {
|
|
WS.prototype.onData = function(data){
|
|
var self = this;
|
|
setTimeout(function(){
|
|
Transport.prototype.onData.call(self, data);
|
|
}, 0);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Writes data to socket.
|
|
*
|
|
* @param {Array} array of packets.
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.write = function(packets){
|
|
var self = this;
|
|
this.writable = false;
|
|
// encodePacket efficient as it uses WS framing
|
|
// no need for encodePayload
|
|
for (var i = 0, l = packets.length; i < l; i++) {
|
|
parser.encodePacket(packets[i], this.supportsBinary, function(data) {
|
|
//Sometimes the websocket has already been closed but the browser didn't
|
|
//have a chance of informing us about it yet, in that case send will
|
|
//throw an error
|
|
try {
|
|
self.ws.send(data);
|
|
} catch (e){
|
|
debug('websocket closed before onclose event');
|
|
}
|
|
});
|
|
}
|
|
|
|
function ondrain() {
|
|
self.writable = true;
|
|
self.emit('drain');
|
|
}
|
|
// fake drain
|
|
// defer to next tick to allow Socket to clear writeBuffer
|
|
setTimeout(ondrain, 0);
|
|
};
|
|
|
|
/**
|
|
* Called upon close
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.onClose = function(){
|
|
Transport.prototype.onClose.call(this);
|
|
};
|
|
|
|
/**
|
|
* Closes socket.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.doClose = function(){
|
|
if (typeof this.ws !== 'undefined') {
|
|
this.ws.close();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Generates uri for connection.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
WS.prototype.uri = function(){
|
|
var query = this.query || {};
|
|
var schema = this.secure ? 'wss' : 'ws';
|
|
var port = '';
|
|
|
|
// avoid port if default for schema
|
|
if (this.port && (('wss' == schema && this.port != 443)
|
|
|| ('ws' == schema && this.port != 80))) {
|
|
port = ':' + this.port;
|
|
}
|
|
|
|
// append timestamp to URI
|
|
if (this.timestampRequests) {
|
|
query[this.timestampParam] = +new Date;
|
|
}
|
|
|
|
// communicate binary support capabilities
|
|
if (!this.supportsBinary) {
|
|
query.b64 = 1;
|
|
}
|
|
|
|
query = parseqs.encode(query);
|
|
|
|
// prepend ? to query
|
|
if (query.length) {
|
|
query = '?' + query;
|
|
}
|
|
|
|
return schema + '://' + this.hostname + port + this.path + query;
|
|
};
|
|
|
|
/**
|
|
* Feature detection for WebSocket.
|
|
*
|
|
* @return {Boolean} whether this transport is available.
|
|
* @api public
|
|
*/
|
|
|
|
WS.prototype.check = function(){
|
|
return !!WebSocket && !('__initialize' in WebSocket && this.name === WS.prototype.name);
|
|
};
|
|
|
|
},{"../transport":14,"component-inherit":21,"debug":22,"engine.io-parser":25,"parseqs":35,"ws":37}],20:[function(_dereq_,module,exports){
|
|
// browser shim for xmlhttprequest module
|
|
var hasCORS = _dereq_('has-cors');
|
|
|
|
module.exports = function(opts) {
|
|
var xdomain = opts.xdomain;
|
|
|
|
// scheme must be same when usign XDomainRequest
|
|
// http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
|
|
var xscheme = opts.xscheme;
|
|
|
|
// XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
|
|
// https://github.com/Automattic/engine.io-client/pull/217
|
|
var enablesXDR = opts.enablesXDR;
|
|
|
|
// XMLHttpRequest can be disabled on IE
|
|
try {
|
|
if ('undefined' != typeof XMLHttpRequest && (!xdomain || hasCORS)) {
|
|
return new XMLHttpRequest();
|
|
}
|
|
} catch (e) { }
|
|
|
|
// Use XDomainRequest for IE8 if enablesXDR is true
|
|
// because loading bar keeps flashing when using jsonp-polling
|
|
// https://github.com/yujiosaka/socke.io-ie8-loading-example
|
|
try {
|
|
if ('undefined' != typeof XDomainRequest && !xscheme && enablesXDR) {
|
|
return new XDomainRequest();
|
|
}
|
|
} catch (e) { }
|
|
|
|
if (!xdomain) {
|
|
try {
|
|
return new ActiveXObject('Microsoft.XMLHTTP');
|
|
} catch(e) { }
|
|
}
|
|
}
|
|
|
|
},{"has-cors":40}],21:[function(_dereq_,module,exports){
|
|
|
|
module.exports = function(a, b){
|
|
var fn = function(){};
|
|
fn.prototype = b.prototype;
|
|
a.prototype = new fn;
|
|
a.prototype.constructor = a;
|
|
};
|
|
},{}],22:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* This is the web browser implementation of `debug()`.
|
|
*
|
|
* Expose `debug()` as the module.
|
|
*/
|
|
|
|
exports = module.exports = _dereq_('./debug');
|
|
exports.log = log;
|
|
exports.formatArgs = formatArgs;
|
|
exports.save = save;
|
|
exports.load = load;
|
|
exports.useColors = useColors;
|
|
|
|
/**
|
|
* Colors.
|
|
*/
|
|
|
|
exports.colors = [
|
|
'lightseagreen',
|
|
'forestgreen',
|
|
'goldenrod',
|
|
'dodgerblue',
|
|
'darkorchid',
|
|
'crimson'
|
|
];
|
|
|
|
/**
|
|
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
|
|
* and the Firebug extension (any Firefox version) are known
|
|
* to support "%c" CSS customizations.
|
|
*
|
|
* TODO: add a `localStorage` variable to explicitly enable/disable colors
|
|
*/
|
|
|
|
function useColors() {
|
|
// is webkit? http://stackoverflow.com/a/16459606/376773
|
|
return ('WebkitAppearance' in document.documentElement.style) ||
|
|
// is firebug? http://stackoverflow.com/a/398120/376773
|
|
(window.console && (console.firebug || (console.exception && console.table))) ||
|
|
// is firefox >= v31?
|
|
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
|
|
(navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
|
|
}
|
|
|
|
/**
|
|
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
|
|
*/
|
|
|
|
exports.formatters.j = function(v) {
|
|
return JSON.stringify(v);
|
|
};
|
|
|
|
|
|
/**
|
|
* Colorize log arguments if enabled.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function formatArgs() {
|
|
var args = arguments;
|
|
var useColors = this.useColors;
|
|
|
|
args[0] = (useColors ? '%c' : '')
|
|
+ this.namespace
|
|
+ (useColors ? ' %c' : ' ')
|
|
+ args[0]
|
|
+ (useColors ? '%c ' : ' ')
|
|
+ '+' + exports.humanize(this.diff);
|
|
|
|
if (!useColors) return args;
|
|
|
|
var c = 'color: ' + this.color;
|
|
args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
|
|
|
|
// the final "%c" is somewhat tricky, because there could be other
|
|
// arguments passed either before or after the %c, so we need to
|
|
// figure out the correct index to insert the CSS into
|
|
var index = 0;
|
|
var lastC = 0;
|
|
args[0].replace(/%[a-z%]/g, function(match) {
|
|
if ('%' === match) return;
|
|
index++;
|
|
if ('%c' === match) {
|
|
// we only are interested in the *last* %c
|
|
// (the user may have provided their own)
|
|
lastC = index;
|
|
}
|
|
});
|
|
|
|
args.splice(lastC, 0, c);
|
|
return args;
|
|
}
|
|
|
|
/**
|
|
* Invokes `console.log()` when available.
|
|
* No-op when `console.log` is not a "function".
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function log() {
|
|
// This hackery is required for IE8,
|
|
// where the `console.log` function doesn't have 'apply'
|
|
return 'object' == typeof console
|
|
&& 'function' == typeof console.log
|
|
&& Function.prototype.apply.call(console.log, console, arguments);
|
|
}
|
|
|
|
/**
|
|
* Save `namespaces`.
|
|
*
|
|
* @param {String} namespaces
|
|
* @api private
|
|
*/
|
|
|
|
function save(namespaces) {
|
|
try {
|
|
if (null == namespaces) {
|
|
localStorage.removeItem('debug');
|
|
} else {
|
|
localStorage.debug = namespaces;
|
|
}
|
|
} catch(e) {}
|
|
}
|
|
|
|
/**
|
|
* Load `namespaces`.
|
|
*
|
|
* @return {String} returns the previously persisted debug modes
|
|
* @api private
|
|
*/
|
|
|
|
function load() {
|
|
var r;
|
|
try {
|
|
r = localStorage.debug;
|
|
} catch(e) {}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* Enable namespaces listed in `localStorage.debug` initially.
|
|
*/
|
|
|
|
exports.enable(load());
|
|
|
|
},{"./debug":23}],23:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* This is the common logic for both the Node.js and web browser
|
|
* implementations of `debug()`.
|
|
*
|
|
* Expose `debug()` as the module.
|
|
*/
|
|
|
|
exports = module.exports = debug;
|
|
exports.coerce = coerce;
|
|
exports.disable = disable;
|
|
exports.enable = enable;
|
|
exports.enabled = enabled;
|
|
exports.humanize = _dereq_('ms');
|
|
|
|
/**
|
|
* The currently active debug mode names, and names to skip.
|
|
*/
|
|
|
|
exports.names = [];
|
|
exports.skips = [];
|
|
|
|
/**
|
|
* Map of special "%n" handling functions, for the debug "format" argument.
|
|
*
|
|
* Valid key names are a single, lowercased letter, i.e. "n".
|
|
*/
|
|
|
|
exports.formatters = {};
|
|
|
|
/**
|
|
* Previously assigned color.
|
|
*/
|
|
|
|
var prevColor = 0;
|
|
|
|
/**
|
|
* Previous log timestamp.
|
|
*/
|
|
|
|
var prevTime;
|
|
|
|
/**
|
|
* Select a color.
|
|
*
|
|
* @return {Number}
|
|
* @api private
|
|
*/
|
|
|
|
function selectColor() {
|
|
return exports.colors[prevColor++ % exports.colors.length];
|
|
}
|
|
|
|
/**
|
|
* Create a debugger with the given `namespace`.
|
|
*
|
|
* @param {String} namespace
|
|
* @return {Function}
|
|
* @api public
|
|
*/
|
|
|
|
function debug(namespace) {
|
|
|
|
// define the `disabled` version
|
|
function disabled() {
|
|
}
|
|
disabled.enabled = false;
|
|
|
|
// define the `enabled` version
|
|
function enabled() {
|
|
|
|
var self = enabled;
|
|
|
|
// set `diff` timestamp
|
|
var curr = +new Date();
|
|
var ms = curr - (prevTime || curr);
|
|
self.diff = ms;
|
|
self.prev = prevTime;
|
|
self.curr = curr;
|
|
prevTime = curr;
|
|
|
|
// add the `color` if not set
|
|
if (null == self.useColors) self.useColors = exports.useColors();
|
|
if (null == self.color && self.useColors) self.color = selectColor();
|
|
|
|
var args = Array.prototype.slice.call(arguments);
|
|
|
|
args[0] = exports.coerce(args[0]);
|
|
|
|
if ('string' !== typeof args[0]) {
|
|
// anything else let's inspect with %o
|
|
args = ['%o'].concat(args);
|
|
}
|
|
|
|
// apply any `formatters` transformations
|
|
var index = 0;
|
|
args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
|
|
// if we encounter an escaped % then don't increase the array index
|
|
if (match === '%') return match;
|
|
index++;
|
|
var formatter = exports.formatters[format];
|
|
if ('function' === typeof formatter) {
|
|
var val = args[index];
|
|
match = formatter.call(self, val);
|
|
|
|
// now we need to remove `args[index]` since it's inlined in the `format`
|
|
args.splice(index, 1);
|
|
index--;
|
|
}
|
|
return match;
|
|
});
|
|
|
|
if ('function' === typeof exports.formatArgs) {
|
|
args = exports.formatArgs.apply(self, args);
|
|
}
|
|
var logFn = enabled.log || exports.log || console.log.bind(console);
|
|
logFn.apply(self, args);
|
|
}
|
|
enabled.enabled = true;
|
|
|
|
var fn = exports.enabled(namespace) ? enabled : disabled;
|
|
|
|
fn.namespace = namespace;
|
|
|
|
return fn;
|
|
}
|
|
|
|
/**
|
|
* Enables a debug mode by namespaces. This can include modes
|
|
* separated by a colon and wildcards.
|
|
*
|
|
* @param {String} namespaces
|
|
* @api public
|
|
*/
|
|
|
|
function enable(namespaces) {
|
|
exports.save(namespaces);
|
|
|
|
var split = (namespaces || '').split(/[\s,]+/);
|
|
var len = split.length;
|
|
|
|
for (var i = 0; i < len; i++) {
|
|
if (!split[i]) continue; // ignore empty strings
|
|
namespaces = split[i].replace(/\*/g, '.*?');
|
|
if (namespaces[0] === '-') {
|
|
exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
|
|
} else {
|
|
exports.names.push(new RegExp('^' + namespaces + '$'));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disable debug output.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function disable() {
|
|
exports.enable('');
|
|
}
|
|
|
|
/**
|
|
* Returns true if the given mode name is enabled, false otherwise.
|
|
*
|
|
* @param {String} name
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
function enabled(name) {
|
|
var i, len;
|
|
for (i = 0, len = exports.skips.length; i < len; i++) {
|
|
if (exports.skips[i].test(name)) {
|
|
return false;
|
|
}
|
|
}
|
|
for (i = 0, len = exports.names.length; i < len; i++) {
|
|
if (exports.names[i].test(name)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Coerce `val`.
|
|
*
|
|
* @param {Mixed} val
|
|
* @return {Mixed}
|
|
* @api private
|
|
*/
|
|
|
|
function coerce(val) {
|
|
if (val instanceof Error) return val.stack || val.message;
|
|
return val;
|
|
}
|
|
|
|
},{"ms":24}],24:[function(_dereq_,module,exports){
|
|
/**
|
|
* Helpers.
|
|
*/
|
|
|
|
var s = 1000;
|
|
var m = s * 60;
|
|
var h = m * 60;
|
|
var d = h * 24;
|
|
var y = d * 365.25;
|
|
|
|
/**
|
|
* Parse or format the given `val`.
|
|
*
|
|
* Options:
|
|
*
|
|
* - `long` verbose formatting [false]
|
|
*
|
|
* @param {String|Number} val
|
|
* @param {Object} options
|
|
* @return {String|Number}
|
|
* @api public
|
|
*/
|
|
|
|
module.exports = function(val, options){
|
|
options = options || {};
|
|
if ('string' == typeof val) return parse(val);
|
|
return options.long
|
|
? long(val)
|
|
: short(val);
|
|
};
|
|
|
|
/**
|
|
* Parse the given `str` and return milliseconds.
|
|
*
|
|
* @param {String} str
|
|
* @return {Number}
|
|
* @api private
|
|
*/
|
|
|
|
function parse(str) {
|
|
var match = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
|
|
if (!match) return;
|
|
var n = parseFloat(match[1]);
|
|
var type = (match[2] || 'ms').toLowerCase();
|
|
switch (type) {
|
|
case 'years':
|
|
case 'year':
|
|
case 'y':
|
|
return n * y;
|
|
case 'days':
|
|
case 'day':
|
|
case 'd':
|
|
return n * d;
|
|
case 'hours':
|
|
case 'hour':
|
|
case 'h':
|
|
return n * h;
|
|
case 'minutes':
|
|
case 'minute':
|
|
case 'm':
|
|
return n * m;
|
|
case 'seconds':
|
|
case 'second':
|
|
case 's':
|
|
return n * s;
|
|
case 'ms':
|
|
return n;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Short format for `ms`.
|
|
*
|
|
* @param {Number} ms
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
function short(ms) {
|
|
if (ms >= d) return Math.round(ms / d) + 'd';
|
|
if (ms >= h) return Math.round(ms / h) + 'h';
|
|
if (ms >= m) return Math.round(ms / m) + 'm';
|
|
if (ms >= s) return Math.round(ms / s) + 's';
|
|
return ms + 'ms';
|
|
}
|
|
|
|
/**
|
|
* Long format for `ms`.
|
|
*
|
|
* @param {Number} ms
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
function long(ms) {
|
|
return plural(ms, d, 'day')
|
|
|| plural(ms, h, 'hour')
|
|
|| plural(ms, m, 'minute')
|
|
|| plural(ms, s, 'second')
|
|
|| ms + ' ms';
|
|
}
|
|
|
|
/**
|
|
* Pluralization helper.
|
|
*/
|
|
|
|
function plural(ms, n, name) {
|
|
if (ms < n) return;
|
|
if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
|
|
return Math.ceil(ms / n) + ' ' + name + 's';
|
|
}
|
|
|
|
},{}],25:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var keys = _dereq_('./keys');
|
|
var hasBinary = _dereq_('has-binary');
|
|
var sliceBuffer = _dereq_('arraybuffer.slice');
|
|
var base64encoder = _dereq_('base64-arraybuffer');
|
|
var after = _dereq_('after');
|
|
var utf8 = _dereq_('utf8');
|
|
|
|
/**
|
|
* Check if we are running an android browser. That requires us to use
|
|
* ArrayBuffer with polling transports...
|
|
*
|
|
* http://ghinda.net/jpeg-blob-ajax-android/
|
|
*/
|
|
|
|
var isAndroid = navigator.userAgent.match(/Android/i);
|
|
|
|
/**
|
|
* Check if we are running in PhantomJS.
|
|
* Uploading a Blob with PhantomJS does not work correctly, as reported here:
|
|
* https://github.com/ariya/phantomjs/issues/11395
|
|
* @type boolean
|
|
*/
|
|
var isPhantomJS = /PhantomJS/i.test(navigator.userAgent);
|
|
|
|
/**
|
|
* When true, avoids using Blobs to encode payloads.
|
|
* @type boolean
|
|
*/
|
|
var dontSendBlobs = isAndroid || isPhantomJS;
|
|
|
|
/**
|
|
* Current protocol version.
|
|
*/
|
|
|
|
exports.protocol = 3;
|
|
|
|
/**
|
|
* Packet types.
|
|
*/
|
|
|
|
var packets = exports.packets = {
|
|
open: 0 // non-ws
|
|
, close: 1 // non-ws
|
|
, ping: 2
|
|
, pong: 3
|
|
, message: 4
|
|
, upgrade: 5
|
|
, noop: 6
|
|
};
|
|
|
|
var packetslist = keys(packets);
|
|
|
|
/**
|
|
* Premade error packet.
|
|
*/
|
|
|
|
var err = { type: 'error', data: 'parser error' };
|
|
|
|
/**
|
|
* Create a blob api even for blob builder when vendor prefixes exist
|
|
*/
|
|
|
|
var Blob = _dereq_('blob');
|
|
|
|
/**
|
|
* Encodes a packet.
|
|
*
|
|
* <packet type id> [ <data> ]
|
|
*
|
|
* Example:
|
|
*
|
|
* 5hello world
|
|
* 3
|
|
* 4
|
|
*
|
|
* Binary is encoded in an identical principle
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
exports.encodePacket = function (packet, supportsBinary, utf8encode, callback) {
|
|
if ('function' == typeof supportsBinary) {
|
|
callback = supportsBinary;
|
|
supportsBinary = false;
|
|
}
|
|
|
|
if ('function' == typeof utf8encode) {
|
|
callback = utf8encode;
|
|
utf8encode = null;
|
|
}
|
|
|
|
var data = (packet.data === undefined)
|
|
? undefined
|
|
: packet.data.buffer || packet.data;
|
|
|
|
if (global.ArrayBuffer && data instanceof ArrayBuffer) {
|
|
return encodeArrayBuffer(packet, supportsBinary, callback);
|
|
} else if (Blob && data instanceof global.Blob) {
|
|
return encodeBlob(packet, supportsBinary, callback);
|
|
}
|
|
|
|
// might be an object with { base64: true, data: dataAsBase64String }
|
|
if (data && data.base64) {
|
|
return encodeBase64Object(packet, callback);
|
|
}
|
|
|
|
// Sending data as a utf-8 string
|
|
var encoded = packets[packet.type];
|
|
|
|
// data fragment is optional
|
|
if (undefined !== packet.data) {
|
|
encoded += utf8encode ? utf8.encode(String(packet.data)) : String(packet.data);
|
|
}
|
|
|
|
return callback('' + encoded);
|
|
|
|
};
|
|
|
|
function encodeBase64Object(packet, callback) {
|
|
// packet data is an object { base64: true, data: dataAsBase64String }
|
|
var message = 'b' + exports.packets[packet.type] + packet.data.data;
|
|
return callback(message);
|
|
}
|
|
|
|
/**
|
|
* Encode packet helpers for binary types
|
|
*/
|
|
|
|
function encodeArrayBuffer(packet, supportsBinary, callback) {
|
|
if (!supportsBinary) {
|
|
return exports.encodeBase64Packet(packet, callback);
|
|
}
|
|
|
|
var data = packet.data;
|
|
var contentArray = new Uint8Array(data);
|
|
var resultBuffer = new Uint8Array(1 + data.byteLength);
|
|
|
|
resultBuffer[0] = packets[packet.type];
|
|
for (var i = 0; i < contentArray.length; i++) {
|
|
resultBuffer[i+1] = contentArray[i];
|
|
}
|
|
|
|
return callback(resultBuffer.buffer);
|
|
}
|
|
|
|
function encodeBlobAsArrayBuffer(packet, supportsBinary, callback) {
|
|
if (!supportsBinary) {
|
|
return exports.encodeBase64Packet(packet, callback);
|
|
}
|
|
|
|
var fr = new FileReader();
|
|
fr.onload = function() {
|
|
packet.data = fr.result;
|
|
exports.encodePacket(packet, supportsBinary, true, callback);
|
|
};
|
|
return fr.readAsArrayBuffer(packet.data);
|
|
}
|
|
|
|
function encodeBlob(packet, supportsBinary, callback) {
|
|
if (!supportsBinary) {
|
|
return exports.encodeBase64Packet(packet, callback);
|
|
}
|
|
|
|
if (dontSendBlobs) {
|
|
return encodeBlobAsArrayBuffer(packet, supportsBinary, callback);
|
|
}
|
|
|
|
var length = new Uint8Array(1);
|
|
length[0] = packets[packet.type];
|
|
var blob = new Blob([length.buffer, packet.data]);
|
|
|
|
return callback(blob);
|
|
}
|
|
|
|
/**
|
|
* Encodes a packet with binary data in a base64 string
|
|
*
|
|
* @param {Object} packet, has `type` and `data`
|
|
* @return {String} base64 encoded message
|
|
*/
|
|
|
|
exports.encodeBase64Packet = function(packet, callback) {
|
|
var message = 'b' + exports.packets[packet.type];
|
|
if (Blob && packet.data instanceof Blob) {
|
|
var fr = new FileReader();
|
|
fr.onload = function() {
|
|
var b64 = fr.result.split(',')[1];
|
|
callback(message + b64);
|
|
};
|
|
return fr.readAsDataURL(packet.data);
|
|
}
|
|
|
|
var b64data;
|
|
try {
|
|
b64data = String.fromCharCode.apply(null, new Uint8Array(packet.data));
|
|
} catch (e) {
|
|
// iPhone Safari doesn't let you apply with typed arrays
|
|
var typed = new Uint8Array(packet.data);
|
|
var basic = new Array(typed.length);
|
|
for (var i = 0; i < typed.length; i++) {
|
|
basic[i] = typed[i];
|
|
}
|
|
b64data = String.fromCharCode.apply(null, basic);
|
|
}
|
|
message += global.btoa(b64data);
|
|
return callback(message);
|
|
};
|
|
|
|
/**
|
|
* Decodes a packet. Changes format to Blob if requested.
|
|
*
|
|
* @return {Object} with `type` and `data` (if any)
|
|
* @api private
|
|
*/
|
|
|
|
exports.decodePacket = function (data, binaryType, utf8decode) {
|
|
// String data
|
|
if (typeof data == 'string' || data === undefined) {
|
|
if (data.charAt(0) == 'b') {
|
|
return exports.decodeBase64Packet(data.substr(1), binaryType);
|
|
}
|
|
|
|
if (utf8decode) {
|
|
try {
|
|
data = utf8.decode(data);
|
|
} catch (e) {
|
|
return err;
|
|
}
|
|
}
|
|
var type = data.charAt(0);
|
|
|
|
if (Number(type) != type || !packetslist[type]) {
|
|
return err;
|
|
}
|
|
|
|
if (data.length > 1) {
|
|
return { type: packetslist[type], data: data.substring(1) };
|
|
} else {
|
|
return { type: packetslist[type] };
|
|
}
|
|
}
|
|
|
|
var asArray = new Uint8Array(data);
|
|
var type = asArray[0];
|
|
var rest = sliceBuffer(data, 1);
|
|
if (Blob && binaryType === 'blob') {
|
|
rest = new Blob([rest]);
|
|
}
|
|
return { type: packetslist[type], data: rest };
|
|
};
|
|
|
|
/**
|
|
* Decodes a packet encoded in a base64 string
|
|
*
|
|
* @param {String} base64 encoded message
|
|
* @return {Object} with `type` and `data` (if any)
|
|
*/
|
|
|
|
exports.decodeBase64Packet = function(msg, binaryType) {
|
|
var type = packetslist[msg.charAt(0)];
|
|
if (!global.ArrayBuffer) {
|
|
return { type: type, data: { base64: true, data: msg.substr(1) } };
|
|
}
|
|
|
|
var data = base64encoder.decode(msg.substr(1));
|
|
|
|
if (binaryType === 'blob' && Blob) {
|
|
data = new Blob([data]);
|
|
}
|
|
|
|
return { type: type, data: data };
|
|
};
|
|
|
|
/**
|
|
* Encodes multiple messages (payload).
|
|
*
|
|
* <length>:data
|
|
*
|
|
* Example:
|
|
*
|
|
* 11:hello world2:hi
|
|
*
|
|
* If any contents are binary, they will be encoded as base64 strings. Base64
|
|
* encoded strings are marked with a b before the length specifier
|
|
*
|
|
* @param {Array} packets
|
|
* @api private
|
|
*/
|
|
|
|
exports.encodePayload = function (packets, supportsBinary, callback) {
|
|
if (typeof supportsBinary == 'function') {
|
|
callback = supportsBinary;
|
|
supportsBinary = null;
|
|
}
|
|
|
|
var isBinary = hasBinary(packets);
|
|
|
|
if (supportsBinary && isBinary) {
|
|
if (Blob && !dontSendBlobs) {
|
|
return exports.encodePayloadAsBlob(packets, callback);
|
|
}
|
|
|
|
return exports.encodePayloadAsArrayBuffer(packets, callback);
|
|
}
|
|
|
|
if (!packets.length) {
|
|
return callback('0:');
|
|
}
|
|
|
|
function setLengthHeader(message) {
|
|
return message.length + ':' + message;
|
|
}
|
|
|
|
function encodeOne(packet, doneCallback) {
|
|
exports.encodePacket(packet, !isBinary ? false : supportsBinary, true, function(message) {
|
|
doneCallback(null, setLengthHeader(message));
|
|
});
|
|
}
|
|
|
|
map(packets, encodeOne, function(err, results) {
|
|
return callback(results.join(''));
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Async array map using after
|
|
*/
|
|
|
|
function map(ary, each, done) {
|
|
var result = new Array(ary.length);
|
|
var next = after(ary.length, done);
|
|
|
|
var eachWithIndex = function(i, el, cb) {
|
|
each(el, function(error, msg) {
|
|
result[i] = msg;
|
|
cb(error, result);
|
|
});
|
|
};
|
|
|
|
for (var i = 0; i < ary.length; i++) {
|
|
eachWithIndex(i, ary[i], next);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Decodes data when a payload is maybe expected. Possible binary contents are
|
|
* decoded from their base64 representation
|
|
*
|
|
* @param {String} data, callback method
|
|
* @api public
|
|
*/
|
|
|
|
exports.decodePayload = function (data, binaryType, callback) {
|
|
if (typeof data != 'string') {
|
|
return exports.decodePayloadAsBinary(data, binaryType, callback);
|
|
}
|
|
|
|
if (typeof binaryType === 'function') {
|
|
callback = binaryType;
|
|
binaryType = null;
|
|
}
|
|
|
|
var packet;
|
|
if (data == '') {
|
|
// parser error - ignoring payload
|
|
return callback(err, 0, 1);
|
|
}
|
|
|
|
var length = ''
|
|
, n, msg;
|
|
|
|
for (var i = 0, l = data.length; i < l; i++) {
|
|
var chr = data.charAt(i);
|
|
|
|
if (':' != chr) {
|
|
length += chr;
|
|
} else {
|
|
if ('' == length || (length != (n = Number(length)))) {
|
|
// parser error - ignoring payload
|
|
return callback(err, 0, 1);
|
|
}
|
|
|
|
msg = data.substr(i + 1, n);
|
|
|
|
if (length != msg.length) {
|
|
// parser error - ignoring payload
|
|
return callback(err, 0, 1);
|
|
}
|
|
|
|
if (msg.length) {
|
|
packet = exports.decodePacket(msg, binaryType, true);
|
|
|
|
if (err.type == packet.type && err.data == packet.data) {
|
|
// parser error in individual packet - ignoring payload
|
|
return callback(err, 0, 1);
|
|
}
|
|
|
|
var ret = callback(packet, i + n, l);
|
|
if (false === ret) return;
|
|
}
|
|
|
|
// advance cursor
|
|
i += n;
|
|
length = '';
|
|
}
|
|
}
|
|
|
|
if (length != '') {
|
|
// parser error - ignoring payload
|
|
return callback(err, 0, 1);
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* Encodes multiple messages (payload) as binary.
|
|
*
|
|
* <1 = binary, 0 = string><number from 0-9><number from 0-9>[...]<number
|
|
* 255><data>
|
|
*
|
|
* Example:
|
|
* 1 3 255 1 2 3, if the binary contents are interpreted as 8 bit integers
|
|
*
|
|
* @param {Array} packets
|
|
* @return {ArrayBuffer} encoded payload
|
|
* @api private
|
|
*/
|
|
|
|
exports.encodePayloadAsArrayBuffer = function(packets, callback) {
|
|
if (!packets.length) {
|
|
return callback(new ArrayBuffer(0));
|
|
}
|
|
|
|
function encodeOne(packet, doneCallback) {
|
|
exports.encodePacket(packet, true, true, function(data) {
|
|
return doneCallback(null, data);
|
|
});
|
|
}
|
|
|
|
map(packets, encodeOne, function(err, encodedPackets) {
|
|
var totalLength = encodedPackets.reduce(function(acc, p) {
|
|
var len;
|
|
if (typeof p === 'string'){
|
|
len = p.length;
|
|
} else {
|
|
len = p.byteLength;
|
|
}
|
|
return acc + len.toString().length + len + 2; // string/binary identifier + separator = 2
|
|
}, 0);
|
|
|
|
var resultArray = new Uint8Array(totalLength);
|
|
|
|
var bufferIndex = 0;
|
|
encodedPackets.forEach(function(p) {
|
|
var isString = typeof p === 'string';
|
|
var ab = p;
|
|
if (isString) {
|
|
var view = new Uint8Array(p.length);
|
|
for (var i = 0; i < p.length; i++) {
|
|
view[i] = p.charCodeAt(i);
|
|
}
|
|
ab = view.buffer;
|
|
}
|
|
|
|
if (isString) { // not true binary
|
|
resultArray[bufferIndex++] = 0;
|
|
} else { // true binary
|
|
resultArray[bufferIndex++] = 1;
|
|
}
|
|
|
|
var lenStr = ab.byteLength.toString();
|
|
for (var i = 0; i < lenStr.length; i++) {
|
|
resultArray[bufferIndex++] = parseInt(lenStr[i]);
|
|
}
|
|
resultArray[bufferIndex++] = 255;
|
|
|
|
var view = new Uint8Array(ab);
|
|
for (var i = 0; i < view.length; i++) {
|
|
resultArray[bufferIndex++] = view[i];
|
|
}
|
|
});
|
|
|
|
return callback(resultArray.buffer);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Encode as Blob
|
|
*/
|
|
|
|
exports.encodePayloadAsBlob = function(packets, callback) {
|
|
function encodeOne(packet, doneCallback) {
|
|
exports.encodePacket(packet, true, true, function(encoded) {
|
|
var binaryIdentifier = new Uint8Array(1);
|
|
binaryIdentifier[0] = 1;
|
|
if (typeof encoded === 'string') {
|
|
var view = new Uint8Array(encoded.length);
|
|
for (var i = 0; i < encoded.length; i++) {
|
|
view[i] = encoded.charCodeAt(i);
|
|
}
|
|
encoded = view.buffer;
|
|
binaryIdentifier[0] = 0;
|
|
}
|
|
|
|
var len = (encoded instanceof ArrayBuffer)
|
|
? encoded.byteLength
|
|
: encoded.size;
|
|
|
|
var lenStr = len.toString();
|
|
var lengthAry = new Uint8Array(lenStr.length + 1);
|
|
for (var i = 0; i < lenStr.length; i++) {
|
|
lengthAry[i] = parseInt(lenStr[i]);
|
|
}
|
|
lengthAry[lenStr.length] = 255;
|
|
|
|
if (Blob) {
|
|
var blob = new Blob([binaryIdentifier.buffer, lengthAry.buffer, encoded]);
|
|
doneCallback(null, blob);
|
|
}
|
|
});
|
|
}
|
|
|
|
map(packets, encodeOne, function(err, results) {
|
|
return callback(new Blob(results));
|
|
});
|
|
};
|
|
|
|
/*
|
|
* Decodes data when a payload is maybe expected. Strings are decoded by
|
|
* interpreting each byte as a key code for entries marked to start with 0. See
|
|
* description of encodePayloadAsBinary
|
|
*
|
|
* @param {ArrayBuffer} data, callback method
|
|
* @api public
|
|
*/
|
|
|
|
exports.decodePayloadAsBinary = function (data, binaryType, callback) {
|
|
if (typeof binaryType === 'function') {
|
|
callback = binaryType;
|
|
binaryType = null;
|
|
}
|
|
|
|
var bufferTail = data;
|
|
var buffers = [];
|
|
|
|
var numberTooLong = false;
|
|
while (bufferTail.byteLength > 0) {
|
|
var tailArray = new Uint8Array(bufferTail);
|
|
var isString = tailArray[0] === 0;
|
|
var msgLength = '';
|
|
|
|
for (var i = 1; ; i++) {
|
|
if (tailArray[i] == 255) break;
|
|
|
|
if (msgLength.length > 310) {
|
|
numberTooLong = true;
|
|
break;
|
|
}
|
|
|
|
msgLength += tailArray[i];
|
|
}
|
|
|
|
if(numberTooLong) return callback(err, 0, 1);
|
|
|
|
bufferTail = sliceBuffer(bufferTail, 2 + msgLength.length);
|
|
msgLength = parseInt(msgLength);
|
|
|
|
var msg = sliceBuffer(bufferTail, 0, msgLength);
|
|
if (isString) {
|
|
try {
|
|
msg = String.fromCharCode.apply(null, new Uint8Array(msg));
|
|
} catch (e) {
|
|
// iPhone Safari doesn't let you apply to typed arrays
|
|
var typed = new Uint8Array(msg);
|
|
msg = '';
|
|
for (var i = 0; i < typed.length; i++) {
|
|
msg += String.fromCharCode(typed[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
buffers.push(msg);
|
|
bufferTail = sliceBuffer(bufferTail, msgLength);
|
|
}
|
|
|
|
var total = buffers.length;
|
|
buffers.forEach(function(buffer, i) {
|
|
callback(exports.decodePacket(buffer, binaryType, true), i, total);
|
|
});
|
|
};
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./keys":26,"after":27,"arraybuffer.slice":28,"base64-arraybuffer":29,"blob":30,"has-binary":31,"utf8":33}],26:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Gets the keys for an object.
|
|
*
|
|
* @return {Array} keys
|
|
* @api private
|
|
*/
|
|
|
|
module.exports = Object.keys || function keys (obj){
|
|
var arr = [];
|
|
var has = Object.prototype.hasOwnProperty;
|
|
|
|
for (var i in obj) {
|
|
if (has.call(obj, i)) {
|
|
arr.push(i);
|
|
}
|
|
}
|
|
return arr;
|
|
};
|
|
|
|
},{}],27:[function(_dereq_,module,exports){
|
|
module.exports = after
|
|
|
|
function after(count, callback, err_cb) {
|
|
var bail = false
|
|
err_cb = err_cb || noop
|
|
proxy.count = count
|
|
|
|
return (count === 0) ? callback() : proxy
|
|
|
|
function proxy(err, result) {
|
|
if (proxy.count <= 0) {
|
|
throw new Error('after called too many times')
|
|
}
|
|
--proxy.count
|
|
|
|
// after first error, rest are passed to err_cb
|
|
if (err) {
|
|
bail = true
|
|
callback(err)
|
|
// future error callbacks will go to error handler
|
|
callback = err_cb
|
|
} else if (proxy.count === 0 && !bail) {
|
|
callback(null, result)
|
|
}
|
|
}
|
|
}
|
|
|
|
function noop() {}
|
|
|
|
},{}],28:[function(_dereq_,module,exports){
|
|
/**
|
|
* An abstraction for slicing an arraybuffer even when
|
|
* ArrayBuffer.prototype.slice is not supported
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
module.exports = function(arraybuffer, start, end) {
|
|
var bytes = arraybuffer.byteLength;
|
|
start = start || 0;
|
|
end = end || bytes;
|
|
|
|
if (arraybuffer.slice) { return arraybuffer.slice(start, end); }
|
|
|
|
if (start < 0) { start += bytes; }
|
|
if (end < 0) { end += bytes; }
|
|
if (end > bytes) { end = bytes; }
|
|
|
|
if (start >= bytes || start >= end || bytes === 0) {
|
|
return new ArrayBuffer(0);
|
|
}
|
|
|
|
var abv = new Uint8Array(arraybuffer);
|
|
var result = new Uint8Array(end - start);
|
|
for (var i = start, ii = 0; i < end; i++, ii++) {
|
|
result[ii] = abv[i];
|
|
}
|
|
return result.buffer;
|
|
};
|
|
|
|
},{}],29:[function(_dereq_,module,exports){
|
|
/*
|
|
* base64-arraybuffer
|
|
* https://github.com/niklasvh/base64-arraybuffer
|
|
*
|
|
* Copyright (c) 2012 Niklas von Hertzen
|
|
* Licensed under the MIT license.
|
|
*/
|
|
(function(chars){
|
|
"use strict";
|
|
|
|
exports.encode = function(arraybuffer) {
|
|
var bytes = new Uint8Array(arraybuffer),
|
|
i, len = bytes.length, base64 = "";
|
|
|
|
for (i = 0; i < len; i+=3) {
|
|
base64 += chars[bytes[i] >> 2];
|
|
base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
|
|
base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
|
|
base64 += chars[bytes[i + 2] & 63];
|
|
}
|
|
|
|
if ((len % 3) === 2) {
|
|
base64 = base64.substring(0, base64.length - 1) + "=";
|
|
} else if (len % 3 === 1) {
|
|
base64 = base64.substring(0, base64.length - 2) + "==";
|
|
}
|
|
|
|
return base64;
|
|
};
|
|
|
|
exports.decode = function(base64) {
|
|
var bufferLength = base64.length * 0.75,
|
|
len = base64.length, i, p = 0,
|
|
encoded1, encoded2, encoded3, encoded4;
|
|
|
|
if (base64[base64.length - 1] === "=") {
|
|
bufferLength--;
|
|
if (base64[base64.length - 2] === "=") {
|
|
bufferLength--;
|
|
}
|
|
}
|
|
|
|
var arraybuffer = new ArrayBuffer(bufferLength),
|
|
bytes = new Uint8Array(arraybuffer);
|
|
|
|
for (i = 0; i < len; i+=4) {
|
|
encoded1 = chars.indexOf(base64[i]);
|
|
encoded2 = chars.indexOf(base64[i+1]);
|
|
encoded3 = chars.indexOf(base64[i+2]);
|
|
encoded4 = chars.indexOf(base64[i+3]);
|
|
|
|
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
|
|
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
|
|
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
|
|
}
|
|
|
|
return arraybuffer;
|
|
};
|
|
})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
|
|
|
|
},{}],30:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* Create a blob builder even when vendor prefixes exist
|
|
*/
|
|
|
|
var BlobBuilder = global.BlobBuilder
|
|
|| global.WebKitBlobBuilder
|
|
|| global.MSBlobBuilder
|
|
|| global.MozBlobBuilder;
|
|
|
|
/**
|
|
* Check if Blob constructor is supported
|
|
*/
|
|
|
|
var blobSupported = (function() {
|
|
try {
|
|
var b = new Blob(['hi']);
|
|
return b.size == 2;
|
|
} catch(e) {
|
|
return false;
|
|
}
|
|
})();
|
|
|
|
/**
|
|
* Check if BlobBuilder is supported
|
|
*/
|
|
|
|
var blobBuilderSupported = BlobBuilder
|
|
&& BlobBuilder.prototype.append
|
|
&& BlobBuilder.prototype.getBlob;
|
|
|
|
function BlobBuilderConstructor(ary, options) {
|
|
options = options || {};
|
|
|
|
var bb = new BlobBuilder();
|
|
for (var i = 0; i < ary.length; i++) {
|
|
bb.append(ary[i]);
|
|
}
|
|
return (options.type) ? bb.getBlob(options.type) : bb.getBlob();
|
|
};
|
|
|
|
module.exports = (function() {
|
|
if (blobSupported) {
|
|
return global.Blob;
|
|
} else if (blobBuilderSupported) {
|
|
return BlobBuilderConstructor;
|
|
} else {
|
|
return undefined;
|
|
}
|
|
})();
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{}],31:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
|
|
/*
|
|
* Module requirements.
|
|
*/
|
|
|
|
var isArray = _dereq_('isarray');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = hasBinary;
|
|
|
|
/**
|
|
* Checks for binary data.
|
|
*
|
|
* Right now only Buffer and ArrayBuffer are supported..
|
|
*
|
|
* @param {Object} anything
|
|
* @api public
|
|
*/
|
|
|
|
function hasBinary(data) {
|
|
|
|
function _hasBinary(obj) {
|
|
if (!obj) return false;
|
|
|
|
if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
|
|
(global.ArrayBuffer && obj instanceof ArrayBuffer) ||
|
|
(global.Blob && obj instanceof Blob) ||
|
|
(global.File && obj instanceof File)
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
if (isArray(obj)) {
|
|
for (var i = 0; i < obj.length; i++) {
|
|
if (_hasBinary(obj[i])) {
|
|
return true;
|
|
}
|
|
}
|
|
} else if (obj && 'object' == typeof obj) {
|
|
if (obj.toJSON) {
|
|
obj = obj.toJSON();
|
|
}
|
|
|
|
for (var key in obj) {
|
|
if (obj.hasOwnProperty(key) && _hasBinary(obj[key])) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
return _hasBinary(data);
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"isarray":32}],32:[function(_dereq_,module,exports){
|
|
module.exports = Array.isArray || function (arr) {
|
|
return Object.prototype.toString.call(arr) == '[object Array]';
|
|
};
|
|
|
|
},{}],33:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/*! http://mths.be/utf8js v2.0.0 by @mathias */
|
|
;(function(root) {
|
|
|
|
// Detect free variables `exports`
|
|
var freeExports = typeof exports == 'object' && exports;
|
|
|
|
// Detect free variable `module`
|
|
var freeModule = typeof module == 'object' && module &&
|
|
module.exports == freeExports && module;
|
|
|
|
// Detect free variable `global`, from Node.js or Browserified code,
|
|
// and use it as `root`
|
|
var freeGlobal = typeof global == 'object' && global;
|
|
if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
|
|
root = freeGlobal;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
var stringFromCharCode = String.fromCharCode;
|
|
|
|
// Taken from http://mths.be/punycode
|
|
function ucs2decode(string) {
|
|
var output = [];
|
|
var counter = 0;
|
|
var length = string.length;
|
|
var value;
|
|
var extra;
|
|
while (counter < length) {
|
|
value = string.charCodeAt(counter++);
|
|
if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
|
|
// high surrogate, and there is a next character
|
|
extra = string.charCodeAt(counter++);
|
|
if ((extra & 0xFC00) == 0xDC00) { // low surrogate
|
|
output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
|
|
} else {
|
|
// unmatched surrogate; only append this code unit, in case the next
|
|
// code unit is the high surrogate of a surrogate pair
|
|
output.push(value);
|
|
counter--;
|
|
}
|
|
} else {
|
|
output.push(value);
|
|
}
|
|
}
|
|
return output;
|
|
}
|
|
|
|
// Taken from http://mths.be/punycode
|
|
function ucs2encode(array) {
|
|
var length = array.length;
|
|
var index = -1;
|
|
var value;
|
|
var output = '';
|
|
while (++index < length) {
|
|
value = array[index];
|
|
if (value > 0xFFFF) {
|
|
value -= 0x10000;
|
|
output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
|
|
value = 0xDC00 | value & 0x3FF;
|
|
}
|
|
output += stringFromCharCode(value);
|
|
}
|
|
return output;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
function createByte(codePoint, shift) {
|
|
return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
|
|
}
|
|
|
|
function encodeCodePoint(codePoint) {
|
|
if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
|
|
return stringFromCharCode(codePoint);
|
|
}
|
|
var symbol = '';
|
|
if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
|
|
symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
|
|
}
|
|
else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
|
|
symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
|
|
symbol += createByte(codePoint, 6);
|
|
}
|
|
else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
|
|
symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
|
|
symbol += createByte(codePoint, 12);
|
|
symbol += createByte(codePoint, 6);
|
|
}
|
|
symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
|
|
return symbol;
|
|
}
|
|
|
|
function utf8encode(string) {
|
|
var codePoints = ucs2decode(string);
|
|
|
|
// console.log(JSON.stringify(codePoints.map(function(x) {
|
|
// return 'U+' + x.toString(16).toUpperCase();
|
|
// })));
|
|
|
|
var length = codePoints.length;
|
|
var index = -1;
|
|
var codePoint;
|
|
var byteString = '';
|
|
while (++index < length) {
|
|
codePoint = codePoints[index];
|
|
byteString += encodeCodePoint(codePoint);
|
|
}
|
|
return byteString;
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
function readContinuationByte() {
|
|
if (byteIndex >= byteCount) {
|
|
throw Error('Invalid byte index');
|
|
}
|
|
|
|
var continuationByte = byteArray[byteIndex] & 0xFF;
|
|
byteIndex++;
|
|
|
|
if ((continuationByte & 0xC0) == 0x80) {
|
|
return continuationByte & 0x3F;
|
|
}
|
|
|
|
// If we end up here, it’s not a continuation byte
|
|
throw Error('Invalid continuation byte');
|
|
}
|
|
|
|
function decodeSymbol() {
|
|
var byte1;
|
|
var byte2;
|
|
var byte3;
|
|
var byte4;
|
|
var codePoint;
|
|
|
|
if (byteIndex > byteCount) {
|
|
throw Error('Invalid byte index');
|
|
}
|
|
|
|
if (byteIndex == byteCount) {
|
|
return false;
|
|
}
|
|
|
|
// Read first byte
|
|
byte1 = byteArray[byteIndex] & 0xFF;
|
|
byteIndex++;
|
|
|
|
// 1-byte sequence (no continuation bytes)
|
|
if ((byte1 & 0x80) == 0) {
|
|
return byte1;
|
|
}
|
|
|
|
// 2-byte sequence
|
|
if ((byte1 & 0xE0) == 0xC0) {
|
|
var byte2 = readContinuationByte();
|
|
codePoint = ((byte1 & 0x1F) << 6) | byte2;
|
|
if (codePoint >= 0x80) {
|
|
return codePoint;
|
|
} else {
|
|
throw Error('Invalid continuation byte');
|
|
}
|
|
}
|
|
|
|
// 3-byte sequence (may include unpaired surrogates)
|
|
if ((byte1 & 0xF0) == 0xE0) {
|
|
byte2 = readContinuationByte();
|
|
byte3 = readContinuationByte();
|
|
codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
|
|
if (codePoint >= 0x0800) {
|
|
return codePoint;
|
|
} else {
|
|
throw Error('Invalid continuation byte');
|
|
}
|
|
}
|
|
|
|
// 4-byte sequence
|
|
if ((byte1 & 0xF8) == 0xF0) {
|
|
byte2 = readContinuationByte();
|
|
byte3 = readContinuationByte();
|
|
byte4 = readContinuationByte();
|
|
codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
|
|
(byte3 << 0x06) | byte4;
|
|
if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
|
|
return codePoint;
|
|
}
|
|
}
|
|
|
|
throw Error('Invalid UTF-8 detected');
|
|
}
|
|
|
|
var byteArray;
|
|
var byteCount;
|
|
var byteIndex;
|
|
function utf8decode(byteString) {
|
|
byteArray = ucs2decode(byteString);
|
|
byteCount = byteArray.length;
|
|
byteIndex = 0;
|
|
var codePoints = [];
|
|
var tmp;
|
|
while ((tmp = decodeSymbol()) !== false) {
|
|
codePoints.push(tmp);
|
|
}
|
|
return ucs2encode(codePoints);
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
var utf8 = {
|
|
'version': '2.0.0',
|
|
'encode': utf8encode,
|
|
'decode': utf8decode
|
|
};
|
|
|
|
// Some AMD build optimizers, like r.js, check for specific condition patterns
|
|
// like the following:
|
|
if (
|
|
typeof define == 'function' &&
|
|
typeof define.amd == 'object' &&
|
|
define.amd
|
|
) {
|
|
define(function() {
|
|
return utf8;
|
|
});
|
|
} else if (freeExports && !freeExports.nodeType) {
|
|
if (freeModule) { // in Node.js or RingoJS v0.8.0+
|
|
freeModule.exports = utf8;
|
|
} else { // in Narwhal or RingoJS v0.7.0-
|
|
var object = {};
|
|
var hasOwnProperty = object.hasOwnProperty;
|
|
for (var key in utf8) {
|
|
hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
|
|
}
|
|
}
|
|
} else { // in Rhino or a web browser
|
|
root.utf8 = utf8;
|
|
}
|
|
|
|
}(this));
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{}],34:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/**
|
|
* JSON parse.
|
|
*
|
|
* @see Based on jQuery#parseJSON (MIT) and JSON2
|
|
* @api private
|
|
*/
|
|
|
|
var rvalidchars = /^[\],:{}\s]*$/;
|
|
var rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
|
|
var rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
|
|
var rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g;
|
|
var rtrimLeft = /^\s+/;
|
|
var rtrimRight = /\s+$/;
|
|
|
|
module.exports = function parsejson(data) {
|
|
if ('string' != typeof data || !data) {
|
|
return null;
|
|
}
|
|
|
|
data = data.replace(rtrimLeft, '').replace(rtrimRight, '');
|
|
|
|
// Attempt to parse using the native JSON parser first
|
|
if (global.JSON && JSON.parse) {
|
|
return JSON.parse(data);
|
|
}
|
|
|
|
if (rvalidchars.test(data.replace(rvalidescape, '@')
|
|
.replace(rvalidtokens, ']')
|
|
.replace(rvalidbraces, ''))) {
|
|
return (new Function('return ' + data))();
|
|
}
|
|
};
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{}],35:[function(_dereq_,module,exports){
|
|
/**
|
|
* Compiles a querystring
|
|
* Returns string representation of the object
|
|
*
|
|
* @param {Object}
|
|
* @api private
|
|
*/
|
|
|
|
exports.encode = function (obj) {
|
|
var str = '';
|
|
|
|
for (var i in obj) {
|
|
if (obj.hasOwnProperty(i)) {
|
|
if (str.length) str += '&';
|
|
str += encodeURIComponent(i) + '=' + encodeURIComponent(obj[i]);
|
|
}
|
|
}
|
|
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Parses a simple querystring into an object
|
|
*
|
|
* @param {String} qs
|
|
* @api private
|
|
*/
|
|
|
|
exports.decode = function(qs){
|
|
var qry = {};
|
|
var pairs = qs.split('&');
|
|
for (var i = 0, l = pairs.length; i < l; i++) {
|
|
var pair = pairs[i].split('=');
|
|
qry[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
|
|
}
|
|
return qry;
|
|
};
|
|
|
|
},{}],36:[function(_dereq_,module,exports){
|
|
/**
|
|
* Parses an URI
|
|
*
|
|
* @author Steven Levithan <stevenlevithan.com> (MIT license)
|
|
* @api private
|
|
*/
|
|
|
|
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
|
|
|
|
var parts = [
|
|
'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
|
|
];
|
|
|
|
module.exports = function parseuri(str) {
|
|
var src = str,
|
|
b = str.indexOf('['),
|
|
e = str.indexOf(']');
|
|
|
|
if (b != -1 && e != -1) {
|
|
str = str.substring(0, b) + str.substring(b, e).replace(/:/g, ';') + str.substring(e, str.length);
|
|
}
|
|
|
|
var m = re.exec(str || ''),
|
|
uri = {},
|
|
i = 14;
|
|
|
|
while (i--) {
|
|
uri[parts[i]] = m[i] || '';
|
|
}
|
|
|
|
if (b != -1 && e != -1) {
|
|
uri.source = src;
|
|
uri.host = uri.host.substring(1, uri.host.length - 1).replace(/;/g, ':');
|
|
uri.authority = uri.authority.replace('[', '').replace(']', '').replace(/;/g, ':');
|
|
uri.ipv6uri = true;
|
|
}
|
|
|
|
return uri;
|
|
};
|
|
|
|
},{}],37:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var global = (function() { return this; })();
|
|
|
|
/**
|
|
* WebSocket constructor.
|
|
*/
|
|
|
|
var WebSocket = global.WebSocket || global.MozWebSocket;
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = WebSocket ? ws : null;
|
|
|
|
/**
|
|
* WebSocket constructor.
|
|
*
|
|
* The third `opts` options object gets ignored in web browsers, since it's
|
|
* non-standard, and throws a TypeError if passed to the constructor.
|
|
* See: https://github.com/einaros/ws/issues/227
|
|
*
|
|
* @param {String} uri
|
|
* @param {Array} protocols (optional)
|
|
* @param {Object) opts (optional)
|
|
* @api public
|
|
*/
|
|
|
|
function ws(uri, protocols, opts) {
|
|
var instance;
|
|
if (protocols) {
|
|
instance = new WebSocket(uri, protocols);
|
|
} else {
|
|
instance = new WebSocket(uri);
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
if (WebSocket) ws.prototype = WebSocket.prototype;
|
|
|
|
},{}],38:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
|
|
/*
|
|
* Module requirements.
|
|
*/
|
|
|
|
var isArray = _dereq_('isarray');
|
|
|
|
/**
|
|
* Module exports.
|
|
*/
|
|
|
|
module.exports = hasBinary;
|
|
|
|
/**
|
|
* Checks for binary data.
|
|
*
|
|
* Right now only Buffer and ArrayBuffer are supported..
|
|
*
|
|
* @param {Object} anything
|
|
* @api public
|
|
*/
|
|
|
|
function hasBinary(data) {
|
|
|
|
function _hasBinary(obj) {
|
|
if (!obj) return false;
|
|
|
|
if ( (global.Buffer && global.Buffer.isBuffer(obj)) ||
|
|
(global.ArrayBuffer && obj instanceof ArrayBuffer) ||
|
|
(global.Blob && obj instanceof Blob) ||
|
|
(global.File && obj instanceof File)
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
if (isArray(obj)) {
|
|
for (var i = 0; i < obj.length; i++) {
|
|
if (_hasBinary(obj[i])) {
|
|
return true;
|
|
}
|
|
}
|
|
} else if (obj && 'object' == typeof obj) {
|
|
if (obj.toJSON) {
|
|
obj = obj.toJSON();
|
|
}
|
|
|
|
for (var key in obj) {
|
|
if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
return _hasBinary(data);
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"isarray":39}],39:[function(_dereq_,module,exports){
|
|
module.exports=_dereq_(32)
|
|
},{}],40:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var global = _dereq_('global');
|
|
|
|
/**
|
|
* Module exports.
|
|
*
|
|
* Logic borrowed from Modernizr:
|
|
*
|
|
* - https://github.com/Modernizr/Modernizr/blob/master/feature-detects/cors.js
|
|
*/
|
|
|
|
try {
|
|
module.exports = 'XMLHttpRequest' in global &&
|
|
'withCredentials' in new global.XMLHttpRequest();
|
|
} catch (err) {
|
|
// if XMLHttp support is disabled in IE then it will throw
|
|
// when trying to create
|
|
module.exports = false;
|
|
}
|
|
|
|
},{"global":41}],41:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Returns `this`. Execute this without a "context" (i.e. without it being
|
|
* attached to an object of the left-hand side), and `this` points to the
|
|
* "global" scope of the current JS execution.
|
|
*/
|
|
|
|
module.exports = (function () { return this; })();
|
|
|
|
},{}],42:[function(_dereq_,module,exports){
|
|
|
|
var indexOf = [].indexOf;
|
|
|
|
module.exports = function(arr, obj){
|
|
if (indexOf) return arr.indexOf(obj);
|
|
for (var i = 0; i < arr.length; ++i) {
|
|
if (arr[i] === obj) return i;
|
|
}
|
|
return -1;
|
|
};
|
|
},{}],43:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* HOP ref.
|
|
*/
|
|
|
|
var has = Object.prototype.hasOwnProperty;
|
|
|
|
/**
|
|
* Return own keys in `obj`.
|
|
*
|
|
* @param {Object} obj
|
|
* @return {Array}
|
|
* @api public
|
|
*/
|
|
|
|
exports.keys = Object.keys || function(obj){
|
|
var keys = [];
|
|
for (var key in obj) {
|
|
if (has.call(obj, key)) {
|
|
keys.push(key);
|
|
}
|
|
}
|
|
return keys;
|
|
};
|
|
|
|
/**
|
|
* Return own values in `obj`.
|
|
*
|
|
* @param {Object} obj
|
|
* @return {Array}
|
|
* @api public
|
|
*/
|
|
|
|
exports.values = function(obj){
|
|
var vals = [];
|
|
for (var key in obj) {
|
|
if (has.call(obj, key)) {
|
|
vals.push(obj[key]);
|
|
}
|
|
}
|
|
return vals;
|
|
};
|
|
|
|
/**
|
|
* Merge `b` into `a`.
|
|
*
|
|
* @param {Object} a
|
|
* @param {Object} b
|
|
* @return {Object} a
|
|
* @api public
|
|
*/
|
|
|
|
exports.merge = function(a, b){
|
|
for (var key in b) {
|
|
if (has.call(b, key)) {
|
|
a[key] = b[key];
|
|
}
|
|
}
|
|
return a;
|
|
};
|
|
|
|
/**
|
|
* Return length of `obj`.
|
|
*
|
|
* @param {Object} obj
|
|
* @return {Number}
|
|
* @api public
|
|
*/
|
|
|
|
exports.length = function(obj){
|
|
return exports.keys(obj).length;
|
|
};
|
|
|
|
/**
|
|
* Check if `obj` is empty.
|
|
*
|
|
* @param {Object} obj
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
exports.isEmpty = function(obj){
|
|
return 0 == exports.length(obj);
|
|
};
|
|
},{}],44:[function(_dereq_,module,exports){
|
|
/**
|
|
* Parses an URI
|
|
*
|
|
* @author Steven Levithan <stevenlevithan.com> (MIT license)
|
|
* @api private
|
|
*/
|
|
|
|
var re = /^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/;
|
|
|
|
var parts = [
|
|
'source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host'
|
|
, 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'
|
|
];
|
|
|
|
module.exports = function parseuri(str) {
|
|
var m = re.exec(str || '')
|
|
, uri = {}
|
|
, i = 14;
|
|
|
|
while (i--) {
|
|
uri[parts[i]] = m[i] || '';
|
|
}
|
|
|
|
return uri;
|
|
};
|
|
|
|
},{}],45:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
/*global Blob,File*/
|
|
|
|
/**
|
|
* Module requirements
|
|
*/
|
|
|
|
var isArray = _dereq_('isarray');
|
|
var isBuf = _dereq_('./is-buffer');
|
|
|
|
/**
|
|
* Replaces every Buffer | ArrayBuffer in packet with a numbered placeholder.
|
|
* Anything with blobs or files should be fed through removeBlobs before coming
|
|
* here.
|
|
*
|
|
* @param {Object} packet - socket.io event packet
|
|
* @return {Object} with deconstructed packet and list of buffers
|
|
* @api public
|
|
*/
|
|
|
|
exports.deconstructPacket = function(packet){
|
|
var buffers = [];
|
|
var packetData = packet.data;
|
|
|
|
function _deconstructPacket(data) {
|
|
if (!data) return data;
|
|
|
|
if (isBuf(data)) {
|
|
var placeholder = { _placeholder: true, num: buffers.length };
|
|
buffers.push(data);
|
|
return placeholder;
|
|
} else if (isArray(data)) {
|
|
var newData = new Array(data.length);
|
|
for (var i = 0; i < data.length; i++) {
|
|
newData[i] = _deconstructPacket(data[i]);
|
|
}
|
|
return newData;
|
|
} else if ('object' == typeof data && !(data instanceof Date)) {
|
|
var newData = {};
|
|
for (var key in data) {
|
|
newData[key] = _deconstructPacket(data[key]);
|
|
}
|
|
return newData;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
var pack = packet;
|
|
pack.data = _deconstructPacket(packetData);
|
|
pack.attachments = buffers.length; // number of binary 'attachments'
|
|
return {packet: pack, buffers: buffers};
|
|
};
|
|
|
|
/**
|
|
* Reconstructs a binary packet from its placeholder packet and buffers
|
|
*
|
|
* @param {Object} packet - event packet with placeholders
|
|
* @param {Array} buffers - binary buffers to put in placeholder positions
|
|
* @return {Object} reconstructed packet
|
|
* @api public
|
|
*/
|
|
|
|
exports.reconstructPacket = function(packet, buffers) {
|
|
var curPlaceHolder = 0;
|
|
|
|
function _reconstructPacket(data) {
|
|
if (data && data._placeholder) {
|
|
var buf = buffers[data.num]; // appropriate buffer (should be natural order anyway)
|
|
return buf;
|
|
} else if (isArray(data)) {
|
|
for (var i = 0; i < data.length; i++) {
|
|
data[i] = _reconstructPacket(data[i]);
|
|
}
|
|
return data;
|
|
} else if (data && 'object' == typeof data) {
|
|
for (var key in data) {
|
|
data[key] = _reconstructPacket(data[key]);
|
|
}
|
|
return data;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
packet.data = _reconstructPacket(packet.data);
|
|
packet.attachments = undefined; // no longer useful
|
|
return packet;
|
|
};
|
|
|
|
/**
|
|
* Asynchronously removes Blobs or Files from data via
|
|
* FileReader's readAsArrayBuffer method. Used before encoding
|
|
* data as msgpack. Calls callback with the blobless data.
|
|
*
|
|
* @param {Object} data
|
|
* @param {Function} callback
|
|
* @api private
|
|
*/
|
|
|
|
exports.removeBlobs = function(data, callback) {
|
|
function _removeBlobs(obj, curKey, containingObject) {
|
|
if (!obj) return obj;
|
|
|
|
// convert any blob
|
|
if ((global.Blob && obj instanceof Blob) ||
|
|
(global.File && obj instanceof File)) {
|
|
pendingBlobs++;
|
|
|
|
// async filereader
|
|
var fileReader = new FileReader();
|
|
fileReader.onload = function() { // this.result == arraybuffer
|
|
if (containingObject) {
|
|
containingObject[curKey] = this.result;
|
|
}
|
|
else {
|
|
bloblessData = this.result;
|
|
}
|
|
|
|
// if nothing pending its callback time
|
|
if(! --pendingBlobs) {
|
|
callback(bloblessData);
|
|
}
|
|
};
|
|
|
|
fileReader.readAsArrayBuffer(obj); // blob -> arraybuffer
|
|
} else if (isArray(obj)) { // handle array
|
|
for (var i = 0; i < obj.length; i++) {
|
|
_removeBlobs(obj[i], i, obj);
|
|
}
|
|
} else if (obj && 'object' == typeof obj && !isBuf(obj)) { // and object
|
|
for (var key in obj) {
|
|
_removeBlobs(obj[key], key, obj);
|
|
}
|
|
}
|
|
}
|
|
|
|
var pendingBlobs = 0;
|
|
var bloblessData = data;
|
|
_removeBlobs(bloblessData);
|
|
if (!pendingBlobs) {
|
|
callback(bloblessData);
|
|
}
|
|
};
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./is-buffer":47,"isarray":48}],46:[function(_dereq_,module,exports){
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var debug = _dereq_('debug')('socket.io-parser');
|
|
var json = _dereq_('json3');
|
|
var isArray = _dereq_('isarray');
|
|
var Emitter = _dereq_('component-emitter');
|
|
var binary = _dereq_('./binary');
|
|
var isBuf = _dereq_('./is-buffer');
|
|
|
|
/**
|
|
* Protocol version.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.protocol = 4;
|
|
|
|
/**
|
|
* Packet types.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.types = [
|
|
'CONNECT',
|
|
'DISCONNECT',
|
|
'EVENT',
|
|
'BINARY_EVENT',
|
|
'ACK',
|
|
'BINARY_ACK',
|
|
'ERROR'
|
|
];
|
|
|
|
/**
|
|
* Packet type `connect`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.CONNECT = 0;
|
|
|
|
/**
|
|
* Packet type `disconnect`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.DISCONNECT = 1;
|
|
|
|
/**
|
|
* Packet type `event`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.EVENT = 2;
|
|
|
|
/**
|
|
* Packet type `ack`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.ACK = 3;
|
|
|
|
/**
|
|
* Packet type `error`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.ERROR = 4;
|
|
|
|
/**
|
|
* Packet type 'binary event'
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.BINARY_EVENT = 5;
|
|
|
|
/**
|
|
* Packet type `binary ack`. For acks with binary arguments.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.BINARY_ACK = 6;
|
|
|
|
/**
|
|
* Encoder constructor.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.Encoder = Encoder;
|
|
|
|
/**
|
|
* Decoder constructor.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
exports.Decoder = Decoder;
|
|
|
|
/**
|
|
* A socket.io Encoder instance
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
function Encoder() {}
|
|
|
|
/**
|
|
* Encode a packet as a single string if non-binary, or as a
|
|
* buffer sequence, depending on packet type.
|
|
*
|
|
* @param {Object} obj - packet object
|
|
* @param {Function} callback - function to handle encodings (likely engine.write)
|
|
* @return Calls callback with Array of encodings
|
|
* @api public
|
|
*/
|
|
|
|
Encoder.prototype.encode = function(obj, callback){
|
|
debug('encoding packet %j', obj);
|
|
|
|
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
|
|
encodeAsBinary(obj, callback);
|
|
}
|
|
else {
|
|
var encoding = encodeAsString(obj);
|
|
callback([encoding]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Encode packet as string.
|
|
*
|
|
* @param {Object} packet
|
|
* @return {String} encoded
|
|
* @api private
|
|
*/
|
|
|
|
function encodeAsString(obj) {
|
|
var str = '';
|
|
var nsp = false;
|
|
|
|
// first is type
|
|
str += obj.type;
|
|
|
|
// attachments if we have them
|
|
if (exports.BINARY_EVENT == obj.type || exports.BINARY_ACK == obj.type) {
|
|
str += obj.attachments;
|
|
str += '-';
|
|
}
|
|
|
|
// if we have a namespace other than `/`
|
|
// we append it followed by a comma `,`
|
|
if (obj.nsp && '/' != obj.nsp) {
|
|
nsp = true;
|
|
str += obj.nsp;
|
|
}
|
|
|
|
// immediately followed by the id
|
|
if (null != obj.id) {
|
|
if (nsp) {
|
|
str += ',';
|
|
nsp = false;
|
|
}
|
|
str += obj.id;
|
|
}
|
|
|
|
// json data
|
|
if (null != obj.data) {
|
|
if (nsp) str += ',';
|
|
str += json.stringify(obj.data);
|
|
}
|
|
|
|
debug('encoded %j as %s', obj, str);
|
|
return str;
|
|
}
|
|
|
|
/**
|
|
* Encode packet as 'buffer sequence' by removing blobs, and
|
|
* deconstructing packet into object with placeholders and
|
|
* a list of buffers.
|
|
*
|
|
* @param {Object} packet
|
|
* @return {Buffer} encoded
|
|
* @api private
|
|
*/
|
|
|
|
function encodeAsBinary(obj, callback) {
|
|
|
|
function writeEncoding(bloblessData) {
|
|
var deconstruction = binary.deconstructPacket(bloblessData);
|
|
var pack = encodeAsString(deconstruction.packet);
|
|
var buffers = deconstruction.buffers;
|
|
|
|
buffers.unshift(pack); // add packet info to beginning of data list
|
|
callback(buffers); // write all the buffers
|
|
}
|
|
|
|
binary.removeBlobs(obj, writeEncoding);
|
|
}
|
|
|
|
/**
|
|
* A socket.io Decoder instance
|
|
*
|
|
* @return {Object} decoder
|
|
* @api public
|
|
*/
|
|
|
|
function Decoder() {
|
|
this.reconstructor = null;
|
|
}
|
|
|
|
/**
|
|
* Mix in `Emitter` with Decoder.
|
|
*/
|
|
|
|
Emitter(Decoder.prototype);
|
|
|
|
/**
|
|
* Decodes an ecoded packet string into packet JSON.
|
|
*
|
|
* @param {String} obj - encoded packet
|
|
* @return {Object} packet
|
|
* @api public
|
|
*/
|
|
|
|
Decoder.prototype.add = function(obj) {
|
|
var packet;
|
|
if ('string' == typeof obj) {
|
|
packet = decodeString(obj);
|
|
if (exports.BINARY_EVENT == packet.type || exports.BINARY_ACK == packet.type) { // binary packet's json
|
|
this.reconstructor = new BinaryReconstructor(packet);
|
|
|
|
// no attachments, labeled binary but no binary data to follow
|
|
if (this.reconstructor.reconPack.attachments === 0) {
|
|
this.emit('decoded', packet);
|
|
}
|
|
} else { // non-binary full packet
|
|
this.emit('decoded', packet);
|
|
}
|
|
}
|
|
else if (isBuf(obj) || obj.base64) { // raw binary data
|
|
if (!this.reconstructor) {
|
|
throw new Error('got binary data when not reconstructing a packet');
|
|
} else {
|
|
packet = this.reconstructor.takeBinaryData(obj);
|
|
if (packet) { // received final buffer
|
|
this.reconstructor = null;
|
|
this.emit('decoded', packet);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
throw new Error('Unknown type: ' + obj);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Decode a packet String (JSON data)
|
|
*
|
|
* @param {String} str
|
|
* @return {Object} packet
|
|
* @api private
|
|
*/
|
|
|
|
function decodeString(str) {
|
|
var p = {};
|
|
var i = 0;
|
|
|
|
// look up type
|
|
p.type = Number(str.charAt(0));
|
|
if (null == exports.types[p.type]) return error();
|
|
|
|
// look up attachments if type binary
|
|
if (exports.BINARY_EVENT == p.type || exports.BINARY_ACK == p.type) {
|
|
var buf = '';
|
|
while (str.charAt(++i) != '-') {
|
|
buf += str.charAt(i);
|
|
if (i == str.length) break;
|
|
}
|
|
if (buf != Number(buf) || str.charAt(i) != '-') {
|
|
throw new Error('Illegal attachments');
|
|
}
|
|
p.attachments = Number(buf);
|
|
}
|
|
|
|
// look up namespace (if any)
|
|
if ('/' == str.charAt(i + 1)) {
|
|
p.nsp = '';
|
|
while (++i) {
|
|
var c = str.charAt(i);
|
|
if (',' == c) break;
|
|
p.nsp += c;
|
|
if (i == str.length) break;
|
|
}
|
|
} else {
|
|
p.nsp = '/';
|
|
}
|
|
|
|
// look up id
|
|
var next = str.charAt(i + 1);
|
|
if ('' !== next && Number(next) == next) {
|
|
p.id = '';
|
|
while (++i) {
|
|
var c = str.charAt(i);
|
|
if (null == c || Number(c) != c) {
|
|
--i;
|
|
break;
|
|
}
|
|
p.id += str.charAt(i);
|
|
if (i == str.length) break;
|
|
}
|
|
p.id = Number(p.id);
|
|
}
|
|
|
|
// look up json data
|
|
if (str.charAt(++i)) {
|
|
try {
|
|
p.data = json.parse(str.substr(i));
|
|
} catch(e){
|
|
return error();
|
|
}
|
|
}
|
|
|
|
debug('decoded %s as %j', str, p);
|
|
return p;
|
|
}
|
|
|
|
/**
|
|
* Deallocates a parser's resources
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
Decoder.prototype.destroy = function() {
|
|
if (this.reconstructor) {
|
|
this.reconstructor.finishedReconstruction();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* A manager of a binary event's 'buffer sequence'. Should
|
|
* be constructed whenever a packet of type BINARY_EVENT is
|
|
* decoded.
|
|
*
|
|
* @param {Object} packet
|
|
* @return {BinaryReconstructor} initialized reconstructor
|
|
* @api private
|
|
*/
|
|
|
|
function BinaryReconstructor(packet) {
|
|
this.reconPack = packet;
|
|
this.buffers = [];
|
|
}
|
|
|
|
/**
|
|
* Method to be called when binary data received from connection
|
|
* after a BINARY_EVENT packet.
|
|
*
|
|
* @param {Buffer | ArrayBuffer} binData - the raw binary data received
|
|
* @return {null | Object} returns null if more binary data is expected or
|
|
* a reconstructed packet object if all buffers have been received.
|
|
* @api private
|
|
*/
|
|
|
|
BinaryReconstructor.prototype.takeBinaryData = function(binData) {
|
|
this.buffers.push(binData);
|
|
if (this.buffers.length == this.reconPack.attachments) { // done with buffer list
|
|
var packet = binary.reconstructPacket(this.reconPack, this.buffers);
|
|
this.finishedReconstruction();
|
|
return packet;
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Cleans up binary packet reconstruction variables.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
BinaryReconstructor.prototype.finishedReconstruction = function() {
|
|
this.reconPack = null;
|
|
this.buffers = [];
|
|
};
|
|
|
|
function error(data){
|
|
return {
|
|
type: exports.ERROR,
|
|
data: 'parser error'
|
|
};
|
|
}
|
|
|
|
},{"./binary":45,"./is-buffer":47,"component-emitter":9,"debug":10,"isarray":48,"json3":49}],47:[function(_dereq_,module,exports){
|
|
(function (global){
|
|
|
|
module.exports = isBuf;
|
|
|
|
/**
|
|
* Returns true if obj is a buffer or an arraybuffer.
|
|
*
|
|
* @api private
|
|
*/
|
|
|
|
function isBuf(obj) {
|
|
return (global.Buffer && global.Buffer.isBuffer(obj)) ||
|
|
(global.ArrayBuffer && obj instanceof ArrayBuffer);
|
|
}
|
|
|
|
}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{}],48:[function(_dereq_,module,exports){
|
|
module.exports=_dereq_(32)
|
|
},{}],49:[function(_dereq_,module,exports){
|
|
/*! JSON v3.2.6 | http://bestiejs.github.io/json3 | Copyright 2012-2013, Kit Cambridge | http://kit.mit-license.org */
|
|
;(function (window) {
|
|
// Convenience aliases.
|
|
var getClass = {}.toString, isProperty, forEach, undef;
|
|
|
|
// Detect the `define` function exposed by asynchronous module loaders. The
|
|
// strict `define` check is necessary for compatibility with `r.js`.
|
|
var isLoader = typeof define === "function" && define.amd;
|
|
|
|
// Detect native implementations.
|
|
var nativeJSON = typeof JSON == "object" && JSON;
|
|
|
|
// Set up the JSON 3 namespace, preferring the CommonJS `exports` object if
|
|
// available.
|
|
var JSON3 = typeof exports == "object" && exports && !exports.nodeType && exports;
|
|
|
|
if (JSON3 && nativeJSON) {
|
|
// Explicitly delegate to the native `stringify` and `parse`
|
|
// implementations in CommonJS environments.
|
|
JSON3.stringify = nativeJSON.stringify;
|
|
JSON3.parse = nativeJSON.parse;
|
|
} else {
|
|
// Export for web browsers, JavaScript engines, and asynchronous module
|
|
// loaders, using the global `JSON` object if available.
|
|
JSON3 = window.JSON = nativeJSON || {};
|
|
}
|
|
|
|
// Test the `Date#getUTC*` methods. Based on work by @Yaffle.
|
|
var isExtended = new Date(-3509827334573292);
|
|
try {
|
|
// The `getUTCFullYear`, `Month`, and `Date` methods return nonsensical
|
|
// results for certain dates in Opera >= 10.53.
|
|
isExtended = isExtended.getUTCFullYear() == -109252 && isExtended.getUTCMonth() === 0 && isExtended.getUTCDate() === 1 &&
|
|
// Safari < 2.0.2 stores the internal millisecond time value correctly,
|
|
// but clips the values returned by the date methods to the range of
|
|
// signed 32-bit integers ([-2 ** 31, 2 ** 31 - 1]).
|
|
isExtended.getUTCHours() == 10 && isExtended.getUTCMinutes() == 37 && isExtended.getUTCSeconds() == 6 && isExtended.getUTCMilliseconds() == 708;
|
|
} catch (exception) {}
|
|
|
|
// Internal: Determines whether the native `JSON.stringify` and `parse`
|
|
// implementations are spec-compliant. Based on work by Ken Snyder.
|
|
function has(name) {
|
|
if (has[name] !== undef) {
|
|
// Return cached feature test result.
|
|
return has[name];
|
|
}
|
|
|
|
var isSupported;
|
|
if (name == "bug-string-char-index") {
|
|
// IE <= 7 doesn't support accessing string characters using square
|
|
// bracket notation. IE 8 only supports this for primitives.
|
|
isSupported = "a"[0] != "a";
|
|
} else if (name == "json") {
|
|
// Indicates whether both `JSON.stringify` and `JSON.parse` are
|
|
// supported.
|
|
isSupported = has("json-stringify") && has("json-parse");
|
|
} else {
|
|
var value, serialized = '{"a":[1,true,false,null,"\\u0000\\b\\n\\f\\r\\t"]}';
|
|
// Test `JSON.stringify`.
|
|
if (name == "json-stringify") {
|
|
var stringify = JSON3.stringify, stringifySupported = typeof stringify == "function" && isExtended;
|
|
if (stringifySupported) {
|
|
// A test function object with a custom `toJSON` method.
|
|
(value = function () {
|
|
return 1;
|
|
}).toJSON = value;
|
|
try {
|
|
stringifySupported =
|
|
// Firefox 3.1b1 and b2 serialize string, number, and boolean
|
|
// primitives as object literals.
|
|
stringify(0) === "0" &&
|
|
// FF 3.1b1, b2, and JSON 2 serialize wrapped primitives as object
|
|
// literals.
|
|
stringify(new Number()) === "0" &&
|
|
stringify(new String()) == '""' &&
|
|
// FF 3.1b1, 2 throw an error if the value is `null`, `undefined`, or
|
|
// does not define a canonical JSON representation (this applies to
|
|
// objects with `toJSON` properties as well, *unless* they are nested
|
|
// within an object or array).
|
|
stringify(getClass) === undef &&
|
|
// IE 8 serializes `undefined` as `"undefined"`. Safari <= 5.1.7 and
|
|
// FF 3.1b3 pass this test.
|
|
stringify(undef) === undef &&
|
|
// Safari <= 5.1.7 and FF 3.1b3 throw `Error`s and `TypeError`s,
|
|
// respectively, if the value is omitted entirely.
|
|
stringify() === undef &&
|
|
// FF 3.1b1, 2 throw an error if the given value is not a number,
|
|
// string, array, object, Boolean, or `null` literal. This applies to
|
|
// objects with custom `toJSON` methods as well, unless they are nested
|
|
// inside object or array literals. YUI 3.0.0b1 ignores custom `toJSON`
|
|
// methods entirely.
|
|
stringify(value) === "1" &&
|
|
stringify([value]) == "[1]" &&
|
|
// Prototype <= 1.6.1 serializes `[undefined]` as `"[]"` instead of
|
|
// `"[null]"`.
|
|
stringify([undef]) == "[null]" &&
|
|
// YUI 3.0.0b1 fails to serialize `null` literals.
|
|
stringify(null) == "null" &&
|
|
// FF 3.1b1, 2 halts serialization if an array contains a function:
|
|
// `[1, true, getClass, 1]` serializes as "[1,true,],". FF 3.1b3
|
|
// elides non-JSON values from objects and arrays, unless they
|
|
// define custom `toJSON` methods.
|
|
stringify([undef, getClass, null]) == "[null,null,null]" &&
|
|
// Simple serialization test. FF 3.1b1 uses Unicode escape sequences
|
|
// where character escape codes are expected (e.g., `\b` => `\u0008`).
|
|
stringify({ "a": [value, true, false, null, "\x00\b\n\f\r\t"] }) == serialized &&
|
|
// FF 3.1b1 and b2 ignore the `filter` and `width` arguments.
|
|
stringify(null, value) === "1" &&
|
|
stringify([1, 2], null, 1) == "[\n 1,\n 2\n]" &&
|
|
// JSON 2, Prototype <= 1.7, and older WebKit builds incorrectly
|
|
// serialize extended years.
|
|
stringify(new Date(-8.64e15)) == '"-271821-04-20T00:00:00.000Z"' &&
|
|
// The milliseconds are optional in ES 5, but required in 5.1.
|
|
stringify(new Date(8.64e15)) == '"+275760-09-13T00:00:00.000Z"' &&
|
|
// Firefox <= 11.0 incorrectly serializes years prior to 0 as negative
|
|
// four-digit years instead of six-digit years. Credits: @Yaffle.
|
|
stringify(new Date(-621987552e5)) == '"-000001-01-01T00:00:00.000Z"' &&
|
|
// Safari <= 5.1.5 and Opera >= 10.53 incorrectly serialize millisecond
|
|
// values less than 1000. Credits: @Yaffle.
|
|
stringify(new Date(-1)) == '"1969-12-31T23:59:59.999Z"';
|
|
} catch (exception) {
|
|
stringifySupported = false;
|
|
}
|
|
}
|
|
isSupported = stringifySupported;
|
|
}
|
|
// Test `JSON.parse`.
|
|
if (name == "json-parse") {
|
|
var parse = JSON3.parse;
|
|
if (typeof parse == "function") {
|
|
try {
|
|
// FF 3.1b1, b2 will throw an exception if a bare literal is provided.
|
|
// Conforming implementations should also coerce the initial argument to
|
|
// a string prior to parsing.
|
|
if (parse("0") === 0 && !parse(false)) {
|
|
// Simple parsing test.
|
|
value = parse(serialized);
|
|
var parseSupported = value["a"].length == 5 && value["a"][0] === 1;
|
|
if (parseSupported) {
|
|
try {
|
|
// Safari <= 5.1.2 and FF 3.1b1 allow unescaped tabs in strings.
|
|
parseSupported = !parse('"\t"');
|
|
} catch (exception) {}
|
|
if (parseSupported) {
|
|
try {
|
|
// FF 4.0 and 4.0.1 allow leading `+` signs and leading
|
|
// decimal points. FF 4.0, 4.0.1, and IE 9-10 also allow
|
|
// certain octal literals.
|
|
parseSupported = parse("01") !== 1;
|
|
} catch (exception) {}
|
|
}
|
|
if (parseSupported) {
|
|
try {
|
|
// FF 4.0, 4.0.1, and Rhino 1.7R3-R4 allow trailing decimal
|
|
// points. These environments, along with FF 3.1b1 and 2,
|
|
// also allow trailing commas in JSON objects and arrays.
|
|
parseSupported = parse("1.") !== 1;
|
|
} catch (exception) {}
|
|
}
|
|
}
|
|
}
|
|
} catch (exception) {
|
|
parseSupported = false;
|
|
}
|
|
}
|
|
isSupported = parseSupported;
|
|
}
|
|
}
|
|
return has[name] = !!isSupported;
|
|
}
|
|
|
|
if (!has("json")) {
|
|
// Common `[[Class]]` name aliases.
|
|
var functionClass = "[object Function]";
|
|
var dateClass = "[object Date]";
|
|
var numberClass = "[object Number]";
|
|
var stringClass = "[object String]";
|
|
var arrayClass = "[object Array]";
|
|
var booleanClass = "[object Boolean]";
|
|
|
|
// Detect incomplete support for accessing string characters by index.
|
|
var charIndexBuggy = has("bug-string-char-index");
|
|
|
|
// Define additional utility methods if the `Date` methods are buggy.
|
|
if (!isExtended) {
|
|
var floor = Math.floor;
|
|
// A mapping between the months of the year and the number of days between
|
|
// January 1st and the first of the respective month.
|
|
var Months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
|
|
// Internal: Calculates the number of days between the Unix epoch and the
|
|
// first day of the given month.
|
|
var getDay = function (year, month) {
|
|
return Months[month] + 365 * (year - 1970) + floor((year - 1969 + (month = +(month > 1))) / 4) - floor((year - 1901 + month) / 100) + floor((year - 1601 + month) / 400);
|
|
};
|
|
}
|
|
|
|
// Internal: Determines if a property is a direct property of the given
|
|
// object. Delegates to the native `Object#hasOwnProperty` method.
|
|
if (!(isProperty = {}.hasOwnProperty)) {
|
|
isProperty = function (property) {
|
|
var members = {}, constructor;
|
|
if ((members.__proto__ = null, members.__proto__ = {
|
|
// The *proto* property cannot be set multiple times in recent
|
|
// versions of Firefox and SeaMonkey.
|
|
"toString": 1
|
|
}, members).toString != getClass) {
|
|
// Safari <= 2.0.3 doesn't implement `Object#hasOwnProperty`, but
|
|
// supports the mutable *proto* property.
|
|
isProperty = function (property) {
|
|
// Capture and break the object's prototype chain (see section 8.6.2
|
|
// of the ES 5.1 spec). The parenthesized expression prevents an
|
|
// unsafe transformation by the Closure Compiler.
|
|
var original = this.__proto__, result = property in (this.__proto__ = null, this);
|
|
// Restore the original prototype chain.
|
|
this.__proto__ = original;
|
|
return result;
|
|
};
|
|
} else {
|
|
// Capture a reference to the top-level `Object` constructor.
|
|
constructor = members.constructor;
|
|
// Use the `constructor` property to simulate `Object#hasOwnProperty` in
|
|
// other environments.
|
|
isProperty = function (property) {
|
|
var parent = (this.constructor || constructor).prototype;
|
|
return property in this && !(property in parent && this[property] === parent[property]);
|
|
};
|
|
}
|
|
members = null;
|
|
return isProperty.call(this, property);
|
|
};
|
|
}
|
|
|
|
// Internal: A set of primitive types used by `isHostType`.
|
|
var PrimitiveTypes = {
|
|
'boolean': 1,
|
|
'number': 1,
|
|
'string': 1,
|
|
'undefined': 1
|
|
};
|
|
|
|
// Internal: Determines if the given object `property` value is a
|
|
// non-primitive.
|
|
var isHostType = function (object, property) {
|
|
var type = typeof object[property];
|
|
return type == 'object' ? !!object[property] : !PrimitiveTypes[type];
|
|
};
|
|
|
|
// Internal: Normalizes the `for...in` iteration algorithm across
|
|
// environments. Each enumerated key is yielded to a `callback` function.
|
|
forEach = function (object, callback) {
|
|
var size = 0, Properties, members, property;
|
|
|
|
// Tests for bugs in the current environment's `for...in` algorithm. The
|
|
// `valueOf` property inherits the non-enumerable flag from
|
|
// `Object.prototype` in older versions of IE, Netscape, and Mozilla.
|
|
(Properties = function () {
|
|
this.valueOf = 0;
|
|
}).prototype.valueOf = 0;
|
|
|
|
// Iterate over a new instance of the `Properties` class.
|
|
members = new Properties();
|
|
for (property in members) {
|
|
// Ignore all properties inherited from `Object.prototype`.
|
|
if (isProperty.call(members, property)) {
|
|
size++;
|
|
}
|
|
}
|
|
Properties = members = null;
|
|
|
|
// Normalize the iteration algorithm.
|
|
if (!size) {
|
|
// A list of non-enumerable properties inherited from `Object.prototype`.
|
|
members = ["valueOf", "toString", "toLocaleString", "propertyIsEnumerable", "isPrototypeOf", "hasOwnProperty", "constructor"];
|
|
// IE <= 8, Mozilla 1.0, and Netscape 6.2 ignore shadowed non-enumerable
|
|
// properties.
|
|
forEach = function (object, callback) {
|
|
var isFunction = getClass.call(object) == functionClass, property, length;
|
|
var hasProperty = !isFunction && typeof object.constructor != 'function' && isHostType(object, 'hasOwnProperty') ? object.hasOwnProperty : isProperty;
|
|
for (property in object) {
|
|
// Gecko <= 1.0 enumerates the `prototype` property of functions under
|
|
// certain conditions; IE does not.
|
|
if (!(isFunction && property == "prototype") && hasProperty.call(object, property)) {
|
|
callback(property);
|
|
}
|
|
}
|
|
// Manually invoke the callback for each non-enumerable property.
|
|
for (length = members.length; property = members[--length]; hasProperty.call(object, property) && callback(property));
|
|
};
|
|
} else if (size == 2) {
|
|
// Safari <= 2.0.4 enumerates shadowed properties twice.
|
|
forEach = function (object, callback) {
|
|
// Create a set of iterated properties.
|
|
var members = {}, isFunction = getClass.call(object) == functionClass, property;
|
|
for (property in object) {
|
|
// Store each property name to prevent double enumeration. The
|
|
// `prototype` property of functions is not enumerated due to cross-
|
|
// environment inconsistencies.
|
|
if (!(isFunction && property == "prototype") && !isProperty.call(members, property) && (members[property] = 1) && isProperty.call(object, property)) {
|
|
callback(property);
|
|
}
|
|
}
|
|
};
|
|
} else {
|
|
// No bugs detected; use the standard `for...in` algorithm.
|
|
forEach = function (object, callback) {
|
|
var isFunction = getClass.call(object) == functionClass, property, isConstructor;
|
|
for (property in object) {
|
|
if (!(isFunction && property == "prototype") && isProperty.call(object, property) && !(isConstructor = property === "constructor")) {
|
|
callback(property);
|
|
}
|
|
}
|
|
// Manually invoke the callback for the `constructor` property due to
|
|
// cross-environment inconsistencies.
|
|
if (isConstructor || isProperty.call(object, (property = "constructor"))) {
|
|
callback(property);
|
|
}
|
|
};
|
|
}
|
|
return forEach(object, callback);
|
|
};
|
|
|
|
// Public: Serializes a JavaScript `value` as a JSON string. The optional
|
|
// `filter` argument may specify either a function that alters how object and
|
|
// array members are serialized, or an array of strings and numbers that
|
|
// indicates which properties should be serialized. The optional `width`
|
|
// argument may be either a string or number that specifies the indentation
|
|
// level of the output.
|
|
if (!has("json-stringify")) {
|
|
// Internal: A map of control characters and their escaped equivalents.
|
|
var Escapes = {
|
|
92: "\\\\",
|
|
34: '\\"',
|
|
8: "\\b",
|
|
12: "\\f",
|
|
10: "\\n",
|
|
13: "\\r",
|
|
9: "\\t"
|
|
};
|
|
|
|
// Internal: Converts `value` into a zero-padded string such that its
|
|
// length is at least equal to `width`. The `width` must be <= 6.
|
|
var leadingZeroes = "000000";
|
|
var toPaddedString = function (width, value) {
|
|
// The `|| 0` expression is necessary to work around a bug in
|
|
// Opera <= 7.54u2 where `0 == -0`, but `String(-0) !== "0"`.
|
|
return (leadingZeroes + (value || 0)).slice(-width);
|
|
};
|
|
|
|
// Internal: Double-quotes a string `value`, replacing all ASCII control
|
|
// characters (characters with code unit values between 0 and 31) with
|
|
// their escaped equivalents. This is an implementation of the
|
|
// `Quote(value)` operation defined in ES 5.1 section 15.12.3.
|
|
var unicodePrefix = "\\u00";
|
|
var quote = function (value) {
|
|
var result = '"', index = 0, length = value.length, isLarge = length > 10 && charIndexBuggy, symbols;
|
|
if (isLarge) {
|
|
symbols = value.split("");
|
|
}
|
|
for (; index < length; index++) {
|
|
var charCode = value.charCodeAt(index);
|
|
// If the character is a control character, append its Unicode or
|
|
// shorthand escape sequence; otherwise, append the character as-is.
|
|
switch (charCode) {
|
|
case 8: case 9: case 10: case 12: case 13: case 34: case 92:
|
|
result += Escapes[charCode];
|
|
break;
|
|
default:
|
|
if (charCode < 32) {
|
|
result += unicodePrefix + toPaddedString(2, charCode.toString(16));
|
|
break;
|
|
}
|
|
result += isLarge ? symbols[index] : charIndexBuggy ? value.charAt(index) : value[index];
|
|
}
|
|
}
|
|
return result + '"';
|
|
};
|
|
|
|
// Internal: Recursively serializes an object. Implements the
|
|
// `Str(key, holder)`, `JO(value)`, and `JA(value)` operations.
|
|
var serialize = function (property, object, callback, properties, whitespace, indentation, stack) {
|
|
var value, className, year, month, date, time, hours, minutes, seconds, milliseconds, results, element, index, length, prefix, result;
|
|
try {
|
|
// Necessary for host object support.
|
|
value = object[property];
|
|
} catch (exception) {}
|
|
if (typeof value == "object" && value) {
|
|
className = getClass.call(value);
|
|
if (className == dateClass && !isProperty.call(value, "toJSON")) {
|
|
if (value > -1 / 0 && value < 1 / 0) {
|
|
// Dates are serialized according to the `Date#toJSON` method
|
|
// specified in ES 5.1 section 15.9.5.44. See section 15.9.1.15
|
|
// for the ISO 8601 date time string format.
|
|
if (getDay) {
|
|
// Manually compute the year, month, date, hours, minutes,
|
|
// seconds, and milliseconds if the `getUTC*` methods are
|
|
// buggy. Adapted from @Yaffle's `date-shim` project.
|
|
date = floor(value / 864e5);
|
|
for (year = floor(date / 365.2425) + 1970 - 1; getDay(year + 1, 0) <= date; year++);
|
|
for (month = floor((date - getDay(year, 0)) / 30.42); getDay(year, month + 1) <= date; month++);
|
|
date = 1 + date - getDay(year, month);
|
|
// The `time` value specifies the time within the day (see ES
|
|
// 5.1 section 15.9.1.2). The formula `(A % B + B) % B` is used
|
|
// to compute `A modulo B`, as the `%` operator does not
|
|
// correspond to the `modulo` operation for negative numbers.
|
|
time = (value % 864e5 + 864e5) % 864e5;
|
|
// The hours, minutes, seconds, and milliseconds are obtained by
|
|
// decomposing the time within the day. See section 15.9.1.10.
|
|
hours = floor(time / 36e5) % 24;
|
|
minutes = floor(time / 6e4) % 60;
|
|
seconds = floor(time / 1e3) % 60;
|
|
milliseconds = time % 1e3;
|
|
} else {
|
|
year = value.getUTCFullYear();
|
|
month = value.getUTCMonth();
|
|
date = value.getUTCDate();
|
|
hours = value.getUTCHours();
|
|
minutes = value.getUTCMinutes();
|
|
seconds = value.getUTCSeconds();
|
|
milliseconds = value.getUTCMilliseconds();
|
|
}
|
|
// Serialize extended years correctly.
|
|
value = (year <= 0 || year >= 1e4 ? (year < 0 ? "-" : "+") + toPaddedString(6, year < 0 ? -year : year) : toPaddedString(4, year)) +
|
|
"-" + toPaddedString(2, month + 1) + "-" + toPaddedString(2, date) +
|
|
// Months, dates, hours, minutes, and seconds should have two
|
|
// digits; milliseconds should have three.
|
|
"T" + toPaddedString(2, hours) + ":" + toPaddedString(2, minutes) + ":" + toPaddedString(2, seconds) +
|
|
// Milliseconds are optional in ES 5.0, but required in 5.1.
|
|
"." + toPaddedString(3, milliseconds) + "Z";
|
|
} else {
|
|
value = null;
|
|
}
|
|
} else if (typeof value.toJSON == "function" && ((className != numberClass && className != stringClass && className != arrayClass) || isProperty.call(value, "toJSON"))) {
|
|
// Prototype <= 1.6.1 adds non-standard `toJSON` methods to the
|
|
// `Number`, `String`, `Date`, and `Array` prototypes. JSON 3
|
|
// ignores all `toJSON` methods on these objects unless they are
|
|
// defined directly on an instance.
|
|
value = value.toJSON(property);
|
|
}
|
|
}
|
|
if (callback) {
|
|
// If a replacement function was provided, call it to obtain the value
|
|
// for serialization.
|
|
value = callback.call(object, property, value);
|
|
}
|
|
if (value === null) {
|
|
return "null";
|
|
}
|
|
className = getClass.call(value);
|
|
if (className == booleanClass) {
|
|
// Booleans are represented literally.
|
|
return "" + value;
|
|
} else if (className == numberClass) {
|
|
// JSON numbers must be finite. `Infinity` and `NaN` are serialized as
|
|
// `"null"`.
|
|
return value > -1 / 0 && value < 1 / 0 ? "" + value : "null";
|
|
} else if (className == stringClass) {
|
|
// Strings are double-quoted and escaped.
|
|
return quote("" + value);
|
|
}
|
|
// Recursively serialize objects and arrays.
|
|
if (typeof value == "object") {
|
|
// Check for cyclic structures. This is a linear search; performance
|
|
// is inversely proportional to the number of unique nested objects.
|
|
for (length = stack.length; length--;) {
|
|
if (stack[length] === value) {
|
|
// Cyclic structures cannot be serialized by `JSON.stringify`.
|
|
throw TypeError();
|
|
}
|
|
}
|
|
// Add the object to the stack of traversed objects.
|
|
stack.push(value);
|
|
results = [];
|
|
// Save the current indentation level and indent one additional level.
|
|
prefix = indentation;
|
|
indentation += whitespace;
|
|
if (className == arrayClass) {
|
|
// Recursively serialize array elements.
|
|
for (index = 0, length = value.length; index < length; index++) {
|
|
element = serialize(index, value, callback, properties, whitespace, indentation, stack);
|
|
results.push(element === undef ? "null" : element);
|
|
}
|
|
result = results.length ? (whitespace ? "[\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "]" : ("[" + results.join(",") + "]")) : "[]";
|
|
} else {
|
|
// Recursively serialize object members. Members are selected from
|
|
// either a user-specified list of property names, or the object
|
|
// itself.
|
|
forEach(properties || value, function (property) {
|
|
var element = serialize(property, value, callback, properties, whitespace, indentation, stack);
|
|
if (element !== undef) {
|
|
// According to ES 5.1 section 15.12.3: "If `gap` {whitespace}
|
|
// is not the empty string, let `member` {quote(property) + ":"}
|
|
// be the concatenation of `member` and the `space` character."
|
|
// The "`space` character" refers to the literal space
|
|
// character, not the `space` {width} argument provided to
|
|
// `JSON.stringify`.
|
|
results.push(quote(property) + ":" + (whitespace ? " " : "") + element);
|
|
}
|
|
});
|
|
result = results.length ? (whitespace ? "{\n" + indentation + results.join(",\n" + indentation) + "\n" + prefix + "}" : ("{" + results.join(",") + "}")) : "{}";
|
|
}
|
|
// Remove the object from the traversed object stack.
|
|
stack.pop();
|
|
return result;
|
|
}
|
|
};
|
|
|
|
// Public: `JSON.stringify`. See ES 5.1 section 15.12.3.
|
|
JSON3.stringify = function (source, filter, width) {
|
|
var whitespace, callback, properties, className;
|
|
if (typeof filter == "function" || typeof filter == "object" && filter) {
|
|
if ((className = getClass.call(filter)) == functionClass) {
|
|
callback = filter;
|
|
} else if (className == arrayClass) {
|
|
// Convert the property names array into a makeshift set.
|
|
properties = {};
|
|
for (var index = 0, length = filter.length, value; index < length; value = filter[index++], ((className = getClass.call(value)), className == stringClass || className == numberClass) && (properties[value] = 1));
|
|
}
|
|
}
|
|
if (width) {
|
|
if ((className = getClass.call(width)) == numberClass) {
|
|
// Convert the `width` to an integer and create a string containing
|
|
// `width` number of space characters.
|
|
if ((width -= width % 1) > 0) {
|
|
for (whitespace = "", width > 10 && (width = 10); whitespace.length < width; whitespace += " ");
|
|
}
|
|
} else if (className == stringClass) {
|
|
whitespace = width.length <= 10 ? width : width.slice(0, 10);
|
|
}
|
|
}
|
|
// Opera <= 7.54u2 discards the values associated with empty string keys
|
|
// (`""`) only if they are used directly within an object member list
|
|
// (e.g., `!("" in { "": 1})`).
|
|
return serialize("", (value = {}, value[""] = source, value), callback, properties, whitespace, "", []);
|
|
};
|
|
}
|
|
|
|
// Public: Parses a JSON source string.
|
|
if (!has("json-parse")) {
|
|
var fromCharCode = String.fromCharCode;
|
|
|
|
// Internal: A map of escaped control characters and their unescaped
|
|
// equivalents.
|
|
var Unescapes = {
|
|
92: "\\",
|
|
34: '"',
|
|
47: "/",
|
|
98: "\b",
|
|
116: "\t",
|
|
110: "\n",
|
|
102: "\f",
|
|
114: "\r"
|
|
};
|
|
|
|
// Internal: Stores the parser state.
|
|
var Index, Source;
|
|
|
|
// Internal: Resets the parser state and throws a `SyntaxError`.
|
|
var abort = function() {
|
|
Index = Source = null;
|
|
throw SyntaxError();
|
|
};
|
|
|
|
// Internal: Returns the next token, or `"$"` if the parser has reached
|
|
// the end of the source string. A token may be a string, number, `null`
|
|
// literal, or Boolean literal.
|
|
var lex = function () {
|
|
var source = Source, length = source.length, value, begin, position, isSigned, charCode;
|
|
while (Index < length) {
|
|
charCode = source.charCodeAt(Index);
|
|
switch (charCode) {
|
|
case 9: case 10: case 13: case 32:
|
|
// Skip whitespace tokens, including tabs, carriage returns, line
|
|
// feeds, and space characters.
|
|
Index++;
|
|
break;
|
|
case 123: case 125: case 91: case 93: case 58: case 44:
|
|
// Parse a punctuator token (`{`, `}`, `[`, `]`, `:`, or `,`) at
|
|
// the current position.
|
|
value = charIndexBuggy ? source.charAt(Index) : source[Index];
|
|
Index++;
|
|
return value;
|
|
case 34:
|
|
// `"` delimits a JSON string; advance to the next character and
|
|
// begin parsing the string. String tokens are prefixed with the
|
|
// sentinel `@` character to distinguish them from punctuators and
|
|
// end-of-string tokens.
|
|
for (value = "@", Index++; Index < length;) {
|
|
charCode = source.charCodeAt(Index);
|
|
if (charCode < 32) {
|
|
// Unescaped ASCII control characters (those with a code unit
|
|
// less than the space character) are not permitted.
|
|
abort();
|
|
} else if (charCode == 92) {
|
|
// A reverse solidus (`\`) marks the beginning of an escaped
|
|
// control character (including `"`, `\`, and `/`) or Unicode
|
|
// escape sequence.
|
|
charCode = source.charCodeAt(++Index);
|
|
switch (charCode) {
|
|
case 92: case 34: case 47: case 98: case 116: case 110: case 102: case 114:
|
|
// Revive escaped control characters.
|
|
value += Unescapes[charCode];
|
|
Index++;
|
|
break;
|
|
case 117:
|
|
// `\u` marks the beginning of a Unicode escape sequence.
|
|
// Advance to the first character and validate the
|
|
// four-digit code point.
|
|
begin = ++Index;
|
|
for (position = Index + 4; Index < position; Index++) {
|
|
charCode = source.charCodeAt(Index);
|
|
// A valid sequence comprises four hexdigits (case-
|
|
// insensitive) that form a single hexadecimal value.
|
|
if (!(charCode >= 48 && charCode <= 57 || charCode >= 97 && charCode <= 102 || charCode >= 65 && charCode <= 70)) {
|
|
// Invalid Unicode escape sequence.
|
|
abort();
|
|
}
|
|
}
|
|
// Revive the escaped character.
|
|
value += fromCharCode("0x" + source.slice(begin, Index));
|
|
break;
|
|
default:
|
|
// Invalid escape sequence.
|
|
abort();
|
|
}
|
|
} else {
|
|
if (charCode == 34) {
|
|
// An unescaped double-quote character marks the end of the
|
|
// string.
|
|
break;
|
|
}
|
|
charCode = source.charCodeAt(Index);
|
|
begin = Index;
|
|
// Optimize for the common case where a string is valid.
|
|
while (charCode >= 32 && charCode != 92 && charCode != 34) {
|
|
charCode = source.charCodeAt(++Index);
|
|
}
|
|
// Append the string as-is.
|
|
value += source.slice(begin, Index);
|
|
}
|
|
}
|
|
if (source.charCodeAt(Index) == 34) {
|
|
// Advance to the next character and return the revived string.
|
|
Index++;
|
|
return value;
|
|
}
|
|
// Unterminated string.
|
|
abort();
|
|
default:
|
|
// Parse numbers and literals.
|
|
begin = Index;
|
|
// Advance past the negative sign, if one is specified.
|
|
if (charCode == 45) {
|
|
isSigned = true;
|
|
charCode = source.charCodeAt(++Index);
|
|
}
|
|
// Parse an integer or floating-point value.
|
|
if (charCode >= 48 && charCode <= 57) {
|
|
// Leading zeroes are interpreted as octal literals.
|
|
if (charCode == 48 && ((charCode = source.charCodeAt(Index + 1)), charCode >= 48 && charCode <= 57)) {
|
|
// Illegal octal literal.
|
|
abort();
|
|
}
|
|
isSigned = false;
|
|
// Parse the integer component.
|
|
for (; Index < length && ((charCode = source.charCodeAt(Index)), charCode >= 48 && charCode <= 57); Index++);
|
|
// Floats cannot contain a leading decimal point; however, this
|
|
// case is already accounted for by the parser.
|
|
if (source.charCodeAt(Index) == 46) {
|
|
position = ++Index;
|
|
// Parse the decimal component.
|
|
for (; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
if (position == Index) {
|
|
// Illegal trailing decimal.
|
|
abort();
|
|
}
|
|
Index = position;
|
|
}
|
|
// Parse exponents. The `e` denoting the exponent is
|
|
// case-insensitive.
|
|
charCode = source.charCodeAt(Index);
|
|
if (charCode == 101 || charCode == 69) {
|
|
charCode = source.charCodeAt(++Index);
|
|
// Skip past the sign following the exponent, if one is
|
|
// specified.
|
|
if (charCode == 43 || charCode == 45) {
|
|
Index++;
|
|
}
|
|
// Parse the exponential component.
|
|
for (position = Index; position < length && ((charCode = source.charCodeAt(position)), charCode >= 48 && charCode <= 57); position++);
|
|
if (position == Index) {
|
|
// Illegal empty exponent.
|
|
abort();
|
|
}
|
|
Index = position;
|
|
}
|
|
// Coerce the parsed value to a JavaScript number.
|
|
return +source.slice(begin, Index);
|
|
}
|
|
// A negative sign may only precede numbers.
|
|
if (isSigned) {
|
|
abort();
|
|
}
|
|
// `true`, `false`, and `null` literals.
|
|
if (source.slice(Index, Index + 4) == "true") {
|
|
Index += 4;
|
|
return true;
|
|
} else if (source.slice(Index, Index + 5) == "false") {
|
|
Index += 5;
|
|
return false;
|
|
} else if (source.slice(Index, Index + 4) == "null") {
|
|
Index += 4;
|
|
return null;
|
|
}
|
|
// Unrecognized token.
|
|
abort();
|
|
}
|
|
}
|
|
// Return the sentinel `$` character if the parser has reached the end
|
|
// of the source string.
|
|
return "$";
|
|
};
|
|
|
|
// Internal: Parses a JSON `value` token.
|
|
var get = function (value) {
|
|
var results, hasMembers;
|
|
if (value == "$") {
|
|
// Unexpected end of input.
|
|
abort();
|
|
}
|
|
if (typeof value == "string") {
|
|
if ((charIndexBuggy ? value.charAt(0) : value[0]) == "@") {
|
|
// Remove the sentinel `@` character.
|
|
return value.slice(1);
|
|
}
|
|
// Parse object and array literals.
|
|
if (value == "[") {
|
|
// Parses a JSON array, returning a new JavaScript array.
|
|
results = [];
|
|
for (;; hasMembers || (hasMembers = true)) {
|
|
value = lex();
|
|
// A closing square bracket marks the end of the array literal.
|
|
if (value == "]") {
|
|
break;
|
|
}
|
|
// If the array literal contains elements, the current token
|
|
// should be a comma separating the previous element from the
|
|
// next.
|
|
if (hasMembers) {
|
|
if (value == ",") {
|
|
value = lex();
|
|
if (value == "]") {
|
|
// Unexpected trailing `,` in array literal.
|
|
abort();
|
|
}
|
|
} else {
|
|
// A `,` must separate each array element.
|
|
abort();
|
|
}
|
|
}
|
|
// Elisions and leading commas are not permitted.
|
|
if (value == ",") {
|
|
abort();
|
|
}
|
|
results.push(get(value));
|
|
}
|
|
return results;
|
|
} else if (value == "{") {
|
|
// Parses a JSON object, returning a new JavaScript object.
|
|
results = {};
|
|
for (;; hasMembers || (hasMembers = true)) {
|
|
value = lex();
|
|
// A closing curly brace marks the end of the object literal.
|
|
if (value == "}") {
|
|
break;
|
|
}
|
|
// If the object literal contains members, the current token
|
|
// should be a comma separator.
|
|
if (hasMembers) {
|
|
if (value == ",") {
|
|
value = lex();
|
|
if (value == "}") {
|
|
// Unexpected trailing `,` in object literal.
|
|
abort();
|
|
}
|
|
} else {
|
|
// A `,` must separate each object member.
|
|
abort();
|
|
}
|
|
}
|
|
// Leading commas are not permitted, object property names must be
|
|
// double-quoted strings, and a `:` must separate each property
|
|
// name and value.
|
|
if (value == "," || typeof value != "string" || (charIndexBuggy ? value.charAt(0) : value[0]) != "@" || lex() != ":") {
|
|
abort();
|
|
}
|
|
results[value.slice(1)] = get(lex());
|
|
}
|
|
return results;
|
|
}
|
|
// Unexpected token encountered.
|
|
abort();
|
|
}
|
|
return value;
|
|
};
|
|
|
|
// Internal: Updates a traversed object member.
|
|
var update = function(source, property, callback) {
|
|
var element = walk(source, property, callback);
|
|
if (element === undef) {
|
|
delete source[property];
|
|
} else {
|
|
source[property] = element;
|
|
}
|
|
};
|
|
|
|
// Internal: Recursively traverses a parsed JSON object, invoking the
|
|
// `callback` function for each value. This is an implementation of the
|
|
// `Walk(holder, name)` operation defined in ES 5.1 section 15.12.2.
|
|
var walk = function (source, property, callback) {
|
|
var value = source[property], length;
|
|
if (typeof value == "object" && value) {
|
|
// `forEach` can't be used to traverse an array in Opera <= 8.54
|
|
// because its `Object#hasOwnProperty` implementation returns `false`
|
|
// for array indices (e.g., `![1, 2, 3].hasOwnProperty("0")`).
|
|
if (getClass.call(value) == arrayClass) {
|
|
for (length = value.length; length--;) {
|
|
update(value, length, callback);
|
|
}
|
|
} else {
|
|
forEach(value, function (property) {
|
|
update(value, property, callback);
|
|
});
|
|
}
|
|
}
|
|
return callback.call(source, property, value);
|
|
};
|
|
|
|
// Public: `JSON.parse`. See ES 5.1 section 15.12.2.
|
|
JSON3.parse = function (source, callback) {
|
|
var result, value;
|
|
Index = 0;
|
|
Source = "" + source;
|
|
result = get(lex());
|
|
// If a JSON string contains multiple tokens, it is invalid.
|
|
if (lex() != "$") {
|
|
abort();
|
|
}
|
|
// Reset the parser state.
|
|
Index = Source = null;
|
|
return callback && getClass.call(callback) == functionClass ? walk((value = {}, value[""] = result, value), "", callback) : result;
|
|
};
|
|
}
|
|
}
|
|
|
|
// Export for asynchronous module loaders.
|
|
if (isLoader) {
|
|
define(function () {
|
|
return JSON3;
|
|
});
|
|
}
|
|
}(this));
|
|
|
|
},{}],50:[function(_dereq_,module,exports){
|
|
module.exports = toArray
|
|
|
|
function toArray(list, index) {
|
|
var array = []
|
|
|
|
index = index || 0
|
|
|
|
for (var i = index || 0; i < list.length; i++) {
|
|
array[i - index] = list[i]
|
|
}
|
|
|
|
return array
|
|
}
|
|
|
|
},{}]},{},[1])
|
|
(1)
|
|
});
|