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- {"version":3,"sources":["delayed_stream.js"],"names":[],"mappings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file":"index.js","sourcesContent":["var Stream = require('stream').Stream;\nvar util = require('util');\n\nmodule.exports = DelayedStream;\nfunction DelayedStream() {\n this.source = null;\n this.dataSize = 0;\n this.maxDataSize = 1024 * 1024;\n this.pauseStream = true;\n\n this._maxDataSizeExceeded = false;\n this._released = false;\n this._bufferedEvents = [];\n}\nutil.inherits(DelayedStream, Stream);\n\nDelayedStream.create = function(source, options) {\n var delayedStream = new this();\n\n options = options || {};\n for (var option in options) {\n delayedStream[option] = options[option];\n }\n\n delayedStream.source = source;\n\n var realEmit = source.emit;\n source.emit = function() {\n delayedStream._handleEmit(arguments);\n return realEmit.apply(source, arguments);\n };\n\n source.on('error', function() {});\n if (delayedStream.pauseStream) {\n source.pause();\n }\n\n return delayedStream;\n};\n\nObject.defineProperty(DelayedStream.prototype, 'readable', {\n configurable: true,\n enumerable: true,\n get: function() {\n return this.source.readable;\n }\n});\n\nDelayedStream.prototype.setEncoding = function() {\n return this.source.setEncoding.apply(this.source, arguments);\n};\n\nDelayedStream.prototype.resume = function() {\n if (!this._released) {\n this.release();\n }\n\n this.source.resume();\n};\n\nDelayedStream.prototype.pause = function() {\n this.source.pause();\n};\n\nDelayedStream.prototype.release = function() {\n this._released = true;\n\n this._bufferedEvents.forEach(function(args) {\n this.emit.apply(this, args);\n }.bind(this));\n this._bufferedEvents = [];\n};\n\nDelayedStream.prototype.pipe = function() {\n var r = Stream.prototype.pipe.apply(this, arguments);\n this.resume();\n return r;\n};\n\nDelayedStream.prototype._handleEmit = function(args) {\n if (this._released) {\n this.emit.apply(this, args);\n return;\n }\n\n if (args[0] === 'data') {\n this.dataSize += args[1].length;\n this._checkIfMaxDataSizeExceeded();\n }\n\n this._bufferedEvents.push(args);\n};\n\nDelayedStream.prototype._checkIfMaxDataSizeExceeded = function() {\n if (this._maxDataSizeExceeded) {\n return;\n }\n\n if (this.dataSize <= this.maxDataSize) {\n return;\n }\n\n this._maxDataSizeExceeded = true;\n var message =\n 'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.'\n this.emit('error', new Error(message));\n};\n"]}
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