a ThroughStream that strictly buffers all readable events when paused. 

dominictarr

pause-stream

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  mechanism for the readable and writable

  stream.writable = stream.readable = true

    return !(this.paused || buffer.length)

    //if the buffer has emptied. emit drain.

    //this is where I need pauseRead, and pauseWrite.

    //but the writing side may still be paused.

    //the whole buffer might not empity at once.

    //the stream should never emit data inbetween pause()...resume()

    //and write should return !buffer.length

//    process.nextTick(this.drain.bind(this)) //will emit drain if buffer empties.

  "description": "a ThroughStream that strictly buffers all readable events when paused.",

    "test": "node test/index.js && node test/pause-end.js"

    "url": "git://github.com/dominictarr/pause-stream.git"

  "author": "Dominic Tarr <dominic.tarr@gmail.com> (dominictarr.com)",

		@@ -1,78 +0,3 @@
		var Stream = require('stream')
		//through@2 handles this by default!
		module.exports = require('through')

		/*
		was gonna use through for this,
		but it does not match quite right,
		because you need a seperate pause
		mechanism for the readable and writable
		sides.
		*/

		module.exports = function () {
		var buffer = [], destroyed = false
		var stream = new Stream()
		stream.writable = stream.readable = true
		stream.paused = false

		stream.write = function (data) {
		if(!this.paused)
		this.emit('data', data)
		else
		buffer.push(data)
		return !(this.paused \|\| buffer.length)
		}
		function onEnd () {
		stream.readable = false
		stream.emit('end')
		process.nextTick(function () {
		stream.destroy()
		})
		}
		stream.end = function (data) {
		if(data) this.write(data)
		this.ended = true
		this.writable = false
		if(!(this.paused \|\| buffer.length))
		return onEnd()
		else
		this.once('drain', onEnd)
		this.drain()
		}

		stream.drain = function () {
		while(!this.paused && buffer.length)
		this.emit('data', buffer.shift())
		//if the buffer has emptied. emit drain.
		if(!buffer.length && !this.paused)
		this.emit('drain')
		}

		stream.resume = function () {
		//this is where I need pauseRead, and pauseWrite.
		//here the reading side is unpaused,
		//but the writing side may still be paused.
		//the whole buffer might not empity at once.
		//it might pause again.
		//the stream should never emit data inbetween pause()...resume()
		//and write should return !buffer.length

		this.paused = false
		// process.nextTick(this.drain.bind(this)) //will emit drain if buffer empties.
		this.drain()
		return this
		}

		stream.destroy = function () {
		if(destroyed) return
		destroyed = this.ended = true
		buffer.length = 0
		this.emit('close')
		}

		stream.pause = function () {
		stream.paused = true
		return this
		}

		return stream
		}

		{
		"name": "pause-stream",
		"version": "0.0.7",
		"version": "0.0.8",
		"description": "a ThroughStream that strictly buffers all readable events when paused.",
		@@ -31,3 +31,6 @@ "main": "index.js",
		"Apache2"
		]
		],
		"dependencies": {
		"through": "~2.1"
		}
		}

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