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	Changed alot of things.
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								node_modules/delayed-stream/lib/delayed_stream.js
									
										
									
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										107
									
								
								node_modules/delayed-stream/lib/delayed_stream.js
									
										
									
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							|  | @ -0,0 +1,107 @@ | |||
| var Stream = require('stream').Stream; | ||||
| var util = require('util'); | ||||
| 
 | ||||
| module.exports = DelayedStream; | ||||
| function DelayedStream() { | ||||
|   this.source = null; | ||||
|   this.dataSize = 0; | ||||
|   this.maxDataSize = 1024 * 1024; | ||||
|   this.pauseStream = true; | ||||
| 
 | ||||
|   this._maxDataSizeExceeded = false; | ||||
|   this._released = false; | ||||
|   this._bufferedEvents = []; | ||||
| } | ||||
| util.inherits(DelayedStream, Stream); | ||||
| 
 | ||||
| DelayedStream.create = function(source, options) { | ||||
|   var delayedStream = new this(); | ||||
| 
 | ||||
|   options = options || {}; | ||||
|   for (var option in options) { | ||||
|     delayedStream[option] = options[option]; | ||||
|   } | ||||
| 
 | ||||
|   delayedStream.source = source; | ||||
| 
 | ||||
|   var realEmit = source.emit; | ||||
|   source.emit = function() { | ||||
|     delayedStream._handleEmit(arguments); | ||||
|     return realEmit.apply(source, arguments); | ||||
|   }; | ||||
| 
 | ||||
|   source.on('error', function() {}); | ||||
|   if (delayedStream.pauseStream) { | ||||
|     source.pause(); | ||||
|   } | ||||
| 
 | ||||
|   return delayedStream; | ||||
| }; | ||||
| 
 | ||||
| Object.defineProperty(DelayedStream.prototype, 'readable', { | ||||
|   configurable: true, | ||||
|   enumerable: true, | ||||
|   get: function() { | ||||
|     return this.source.readable; | ||||
|   } | ||||
| }); | ||||
| 
 | ||||
| DelayedStream.prototype.setEncoding = function() { | ||||
|   return this.source.setEncoding.apply(this.source, arguments); | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype.resume = function() { | ||||
|   if (!this._released) { | ||||
|     this.release(); | ||||
|   } | ||||
| 
 | ||||
|   this.source.resume(); | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype.pause = function() { | ||||
|   this.source.pause(); | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype.release = function() { | ||||
|   this._released = true; | ||||
| 
 | ||||
|   this._bufferedEvents.forEach(function(args) { | ||||
|     this.emit.apply(this, args); | ||||
|   }.bind(this)); | ||||
|   this._bufferedEvents = []; | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype.pipe = function() { | ||||
|   var r = Stream.prototype.pipe.apply(this, arguments); | ||||
|   this.resume(); | ||||
|   return r; | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype._handleEmit = function(args) { | ||||
|   if (this._released) { | ||||
|     this.emit.apply(this, args); | ||||
|     return; | ||||
|   } | ||||
| 
 | ||||
|   if (args[0] === 'data') { | ||||
|     this.dataSize += args[1].length; | ||||
|     this._checkIfMaxDataSizeExceeded(); | ||||
|   } | ||||
| 
 | ||||
|   this._bufferedEvents.push(args); | ||||
| }; | ||||
| 
 | ||||
| DelayedStream.prototype._checkIfMaxDataSizeExceeded = function() { | ||||
|   if (this._maxDataSizeExceeded) { | ||||
|     return; | ||||
|   } | ||||
| 
 | ||||
|   if (this.dataSize <= this.maxDataSize) { | ||||
|     return; | ||||
|   } | ||||
| 
 | ||||
|   this._maxDataSizeExceeded = true; | ||||
|   var message = | ||||
|     'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.' | ||||
|   this.emit('error', new Error(message)); | ||||
| }; | ||||
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