Streams3, a user-land copy of the stream library from Node.js. 

Node.js Streams, a user-land copy of the stream library from Node.js

matteo.collina

cwmma

nodejs-foundation

readable-stream

Streams3, a user-land copy of the stream library from Node.js

rvagg

tootallnate

isaacs

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var processNextTick = require('process-nextick-args');

var EElistenerCount = function (emitter, type) {

    if (!Stream) Stream = require('events').EventEmitter;

var Stream = require('./internal/streams/stream');

var bufferShim = require('buffer-shims');

var BufferList = require('./internal/streams/BufferList');

var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];

function prependListener(emitter, event, fn) {

  // Sadly this is not cacheable as some libraries bundle their own

  // event emitter implementation with them.

  if (typeof emitter.prependListener === 'function') {

    return emitter.prependListener(event, fn);

    // This is a hack to make sure that our error handler is attached before any

    // userland ones.  NEVER DO THIS. This is here only because this code needs

    // to continue to work with older versions of Node.js that do not include

    // the prependListener() method. The goal is to eventually remove this hack.

    if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];

function ReadableState(options, stream) {

  Duplex = Duplex || require('./_stream_duplex');

  // object stream flag. Used to make read(n) ignore n and to

  // make all the buffer merging and length checks go away

  this.objectMode = !!options.objectMode;

  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode;

  // the point at which it stops calling _read() to fill the buffer

  // Note: 0 is a valid value, means "don't call _read preemptively ever"

  var defaultHwm = this.objectMode ? 16 : 16 * 1024;

  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm;

  this.highWaterMark = ~~this.highWaterMark;

  // A linked list is used to store data chunks instead of an array because the

  // linked list can remove elements from the beginning faster than

  // a flag to be able to tell if the onwrite cb is called immediately,

  // or on a later tick.  We set this to true at first, because any

  // actions that shouldn't happen until "later" should generally also

  // not happen before the first write call.

  // whenever we return null, then we set a flag to say

  // that we're awaiting a 'readable' event emission.

  // Crypto is kind of old and crusty.  Historically, its default string

  // encoding is 'binary' so we have to make this configurable.

  // Everything else in the universe uses 'utf8', though.

  this.defaultEncoding = options.defaultEncoding || 'utf8';

  // when piping, we only care about 'readable' events that happen

  // after read()ing all the bytes and not getting any pushback.

  // the number of writers that are awaiting a drain event in .pipe()s

  // if true, a maybeReadMore has been scheduled

// Implement an async ._write(chunk, encoding, cb), and it'll handle all

// the drain event emission and buffering.

var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : processNextTick;

function WritableState(options, stream) {

  // object stream flag to indicate whether or not this stream

  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode;

  // the point at which write() starts returning false

  // Note: 0 is a valid value, means that we always return false if

  // the entire buffer is not flushed immediately on write()

  // when end() has been called, and returned

  // should we decode strings into buffers before passing to _write?

  // this is here so that some node-core streams can optimize string

  var noDecode = options.decodeStrings === false;

  // not an actual buffer we keep track of, but a measurement

  // of how much we're waiting to get pushed to some underlying

  // a flag to see when we're in the middle of a write.

  // when true all writes will be buffered until .uncork() call

  // a flag to know if we're processing previously buffered items, which

  // may call the _write() callback in the same tick, so that we don't

  // end up in an overlapped onwrite situation.

  // the callback that's passed to _write(chunk,cb)

  // the callback that the user supplies to write(chunk,encoding,cb)

  // the amount that is being written when _write is called.

  // number of pending user-supplied write callbacks

  // this must be 0 before 'finish' can be emitted

  // emit prefinish if the only thing we're waiting for is _write cbs

  // This is relevant for synchronous Transform streams

  "description": "Streams3, a user-land copy of the stream library from Node.js",

    "test": "tap test/parallel/*.js test/ours/*.js",

    "browser": "npm run write-zuul && zuul --browser-retries 2 -- test/browser.js",

    "write-zuul": "printf \"ui: tape\nbrowsers:\n  - name: $BROWSER_NAME\n    version: $BROWSER_VERSION\n\">.zuul.yml",

    "local": "zuul --local 3000 --no-coverage -- test/browser.js",

    "report": "nyc report --reporter=lcov"

    "url": "git://github.com/nodejs/readable-stream"

    "./readable.js": "./readable-browser.js",

    "./writable.js": "./writable-browser.js",

    "./duplex.js": "./duplex-browser.js",

    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"

		@@ -28,10 +28,3 @@ 'use strict';
		/<replacement>/
		var Stream;
		(function () {
		try {
		Stream = require('st' + 'ream');
		} catch (_) {} finally {
		if (!Stream) Stream = require('events').EventEmitter;
		}
		})();
		var Stream = require('./internal/streams/stream');
		/</replacement>/
		@@ -38,0 +31,0 @@

		@@ -35,10 +35,3 @@ // A bit simpler than readable streams.
		/<replacement>/
		var Stream;
		(function () {
		try {
		Stream = require('st' + 'ream');
		} catch (_) {} finally {
		if (!Stream) Stream = require('events').EventEmitter;
		}
		})();
		var Stream = require('./internal/streams/stream');
		/</replacement>/
		@@ -45,0 +38,0 @@

		{
		"name": "readable-stream",
		"version": "2.2.8",
		"version": "2.2.9",
		"description": "Streams3, a user-land copy of the stream library from Node.js",
		@@ -45,7 +45,5 @@ "main": "readable.js",
		"./writable.js": "./writable-browser.js",
		"./duplex.js": "./duplex-browser.js"
		"./duplex.js": "./duplex-browser.js",
		"./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
		},
		"react-native": {
		"stream": false
		},
		"nyc": {
		@@ -52,0 +50,0 @@ "include": [

Fixed alerts

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