13 files changed, 606 insertions, 0 deletions
diff --git a/node_modules/lazystream/.npmignore b/node_modules/lazystream/.npmignore
new file mode 100644
index 000000000..baccd1c96
--- /dev/null
+++ b/node_modules/lazystream/.npmignore
@@ -0,0 +1,4 @@
+.DS_Store
+npm-debug.log
+node_modules/
+test/tmp/
diff --git a/node_modules/lazystream/.travis.yml b/node_modules/lazystream/.travis.yml
new file mode 100644
index 000000000..01987d45c
--- /dev/null
+++ b/node_modules/lazystream/.travis.yml
@@ -0,0 +1,9 @@
+sudo: false
+language: node_js
+node_js:
+  - "5.2"
+  - "4.2"
+  - "0.12"
+  - "0.10"
+# - "0.8"
+# - "0.6"
diff --git a/node_modules/lazystream/LICENSE-MIT b/node_modules/lazystream/LICENSE-MIT
new file mode 100644
index 000000000..982db1392
--- /dev/null
+++ b/node_modules/lazystream/LICENSE-MIT
@@ -0,0 +1,23 @@
+Copyright (c) 2013 J. Pommerening, contributors.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/lazystream/README.md b/node_modules/lazystream/README.md
new file mode 100644
index 000000000..f42fbac7c
--- /dev/null
+++ b/node_modules/lazystream/README.md
@@ -0,0 +1,110 @@
+# Lazy Streams
+
+> *Create streams lazily when they are read from or written to.*  
+> `lazystream: 1.0.0` [![Build Status](https://travis-ci.org/jpommerening/node-lazystream.png?branch=master)](https://travis-ci.org/jpommerening/node-lazystream)  
+
+## Why?
+
+Sometimes you feel the itch to open *all the files* at once. You want to pass a bunch of streams around, so the consumer does not need to worry where the data comes from.
+From a software design point-of-view this sounds entirely reasonable. Then there is that neat little function `fs.createReadStream()` that opens a file and gives you a nice `fs.ReadStream` to pass around, so you use what the mighty creator deities of node bestowed upon you.
+
+> `Error: EMFILE, too many open files`  
+> ─ *node*
+
+This package provides two classes based on the node's Streams3 API (courtesy of `readable-stream` to ensure a stable version).
+
+## Class: lazystream.Readable
+
+A wrapper for readable streams. Extends [`stream.PassThrough`](http://nodejs.org/api/stream.html#stream_class_stream_passthrough).
+
+### new lazystream.Readable(fn [, options])
+
+* `fn` *{Function}*  
+  The function that the lazy stream will call to obtain the stream to actually read from.
+* `options` *{Object}*  
+  Options for the underlying `PassThrough` stream, accessible by `fn`.
+
+Creates a new readable stream. Once the stream is accessed (for example when you call its `read()` method, or attach a `data`-event listener) the `fn` function is called with the outer `lazystream.Readable` instance bound to `this`.
+
+If you pass an `options` object to the constuctor, you can access it in your `fn` function.
+
+```javascript
+new lazystream.Readable(function (options) {
+  return fs.createReadStream('/dev/urandom');
+});
+```
+
+## Class: lazystream.Writable
+
+A wrapper for writable streams. Extends [`stream.PassThrough`](http://nodejs.org/api/stream.html#stream_class_stream_passthrough).
+
+### new lazystream.Writable(fn [, options])
+
+* `fn` *{Function}*  
+  The function that the lazy stream will call to obtain the stream to actually write to.
+* `options` *{Object}*  
+  Options for the underlying `PassThrough` stream, accessible by `fn`.
+
+Creates a new writable stream. Just like the one above but for writable streams.
+
+```javascript
+new lazystream.Writable(function () {
+  return fs.createWriteStream('/dev/null');
+});
+```
+
+## Install
+
+```console
+$ npm install lazystream --save
+lazystream@1.0.0 node_modules/lazystream
+└── readable-stream@2.0.5
+```
+
+## Changelog
+
+### v1.0.0
+
+- [#2](https://github.com/jpommerening/node-lazystream/pull/2): [unconditionally](https://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html) use `readable-stream` _2.x_.
+
+### v0.2.0
+
+- [#1](https://github.com/jpommerening/node-lazystream/pull/1): error events are now propagated
+
+### v0.1.0
+
+- _(this was the first release)_
+
+## Contributing
+
+Fork it, branch it, send me a pull request. We'll work out the rest together.
+
+## Credits
+
+[Chris Talkington](https://github.com/ctalkington) and his [node-archiver](https://github.com/ctalkington/node-archiver) for providing a use-case.
+
+## [License](LICENSE-MIT)
+
+Copyright (c) 2013 J. Pommerening, contributors.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/lazystream/lib/lazystream.js b/node_modules/lazystream/lib/lazystream.js
new file mode 100644
index 000000000..d9f617096
--- /dev/null
+++ b/node_modules/lazystream/lib/lazystream.js
@@ -0,0 +1,54 @@
+var util = require('util');
+var PassThrough = require('readable-stream/passthrough');
+
+module.exports = {
+  Readable: Readable,
+  Writable: Writable
+};
+
+util.inherits(Readable, PassThrough);
+util.inherits(Writable, PassThrough);
+
+// Patch the given method of instance so that the callback
+// is executed once, before the actual method is called the
+// first time.
+function beforeFirstCall(instance, method, callback) {
+  instance[method] = function() {
+    delete instance[method];
+    callback.apply(this, arguments);
+    return this[method].apply(this, arguments);
+  };
+}
+
+function Readable(fn, options) {
+  if (!(this instanceof Readable))
+    return new Readable(fn, options);
+
+  PassThrough.call(this, options);
+
+  beforeFirstCall(this, '_read', function() {
+    var source = fn.call(this, options);
+    var emit = this.emit.bind(this, 'error');
+    source.on('error', emit);
+    source.pipe(this);
+  });
+
+  this.emit('readable');
+}
+
+function Writable(fn, options) {
+  if (!(this instanceof Writable))
+    return new Writable(fn, options);
+
+  PassThrough.call(this, options);
+
+  beforeFirstCall(this, '_write', function() {
+    var destination = fn.call(this, options);
+    var emit = this.emit.bind(this, 'error');
+    destination.on('error', emit);
+    this.pipe(destination);
+  });
+
+  this.emit('writable');
+}
+
diff --git a/node_modules/lazystream/package.json b/node_modules/lazystream/package.json
new file mode 100644
index 000000000..a31a48cdf
--- /dev/null
+++ b/node_modules/lazystream/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "lazystream",
+  "version": "1.0.0",
+  "description": "Open Node Streams on demand.",
+  "homepage": "https://github.com/jpommerening/node-lazystream",
+  "author": {
+    "name": "Jonas Pommerening",
+    "email": "jonas.pommerening@gmail.com",
+    "url": "https://npmjs.org/~jpommerening"
+  },
+  "contributors": [
+    "Mario Casciaro <mariocasciaro@gmail.com>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jpommerening/node-lazystream.git"
+  },
+  "bugs": {
+    "url": "https://github.com/jpommerening/node-lazystream/issues"
+  },
+  "license": "MIT",
+  "main": "lib/lazystream.js",
+  "engines": {
+    "node": ">= 0.6.3"
+  },
+  "scripts": {
+    "test": "nodeunit test/readable_test.js test/writable_test.js test/pipe_test.js test/fs_test.js"
+  },
+  "dependencies": {
+    "readable-stream": "^2.0.5"
+  },
+  "devDependencies": {
+    "nodeunit": "^0.9.1"
+  },
+  "keywords": [
+    "emfile",
+    "lazy",
+    "streams",
+    "stream"
+  ]
+}
diff --git a/node_modules/lazystream/secret b/node_modules/lazystream/secret
new file mode 100644
index 000000000..4ff775143
--- /dev/null
+++ b/node_modules/lazystream/secret
@@ -0,0 +1,59 @@
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diff --git a/node_modules/lazystream/test/data.md b/node_modules/lazystream/test/data.md
new file mode 100644
index 000000000..fc4822201
--- /dev/null
+++ b/node_modules/lazystream/test/data.md
@@ -0,0 +1,13 @@
+> Never mind, hey, this is really exciting, so much to find out about, so much to
+> look forward to, I'm quite dizzy with anticipation . . . Or is it the wind?
+> 
+> There really is a lot of that now, isn't there? And wow! Hey! What's this thing
+> suddenly coming toward me very fast? Very, very fast. So big and flat and round,
+> it needs a big wide-sounding name like . . . ow . . . ound . . . round . . .
+> ground! That's it! That's a good name- ground!
+>
+> I wonder if it will be friends with me?
+>
+> Hello Ground!
+
+And the rest, after a sudden wet thud, was silence.
diff --git a/node_modules/lazystream/test/fs_test.js b/node_modules/lazystream/test/fs_test.js
new file mode 100644
index 000000000..149b1c4a0
--- /dev/null
+++ b/node_modules/lazystream/test/fs_test.js
@@ -0,0 +1,69 @@
+
+var stream = require('../lib/lazystream');
+var fs = require('fs');
+var tmpDir = 'test/tmp/';
+var readFile = 'test/data.md';
+var writeFile = tmpDir + 'data.md';
+
+exports.fs = {
+  readwrite: function(test) {
+    var readfd, writefd;
+
+    var readable = new stream.Readable(function() {
+       return fs.createReadStream(readFile)
+        .on('open', function(fd) {
+          readfd = fd;
+        })
+        .on('close', function() {
+           readfd = undefined;
+           step();
+        });
+    });
+
+    var writable = new stream.Writable(function() {
+      return fs.createWriteStream(writeFile)
+        .on('open', function(fd) {
+          writefd = fd;
+        })
+        .on('close', function() {
+          writefd = undefined;
+           step();
+        });
+    });
+
+    test.expect(3);
+
+    test.equal(readfd, undefined, 'Input file should not be opened until read');
+    test.equal(writefd, undefined, 'Output file should not be opened until write');
+
+    if (!fs.existsSync(tmpDir)) {
+      fs.mkdirSync(tmpDir);
+    }
+    if (fs.existsSync(writeFile)) {
+      fs.unlinkSync(writeFile);
+    }
+
+    readable.on('end', function() { step(); });
+    writable.on('end', function() { step(); });
+
+    var steps = 0;
+    function step() {
+      steps += 1;
+      if (steps == 4) {
+        var input = fs.readFileSync(readFile);
+        var output = fs.readFileSync(writeFile);
+
+        test.ok(input >= output && input <= output, 'Should be equal');
+
+        fs.unlinkSync(writeFile);
+        fs.rmdirSync(tmpDir);
+
+        test.done();
+      }
+    };
+
+    readable.pipe(writable);
+  }
+};
+
+
diff --git a/node_modules/lazystream/test/helper.js b/node_modules/lazystream/test/helper.js
new file mode 100644
index 000000000..9d41191da
--- /dev/null
+++ b/node_modules/lazystream/test/helper.js
@@ -0,0 +1,39 @@
+
+var _Readable = require('readable-stream/readable');
+var _Writable = require('readable-stream/writable');
+var util = require('util');
+
+module.exports = {
+  DummyReadable: DummyReadable,
+  DummyWritable: DummyWritable
+};
+
+function DummyReadable(strings) {
+  _Readable.call(this);
+  this.strings = strings;
+  this.emit('readable');
+}
+
+util.inherits(DummyReadable, _Readable);
+
+DummyReadable.prototype._read = function _read(n) {
+  if (this.strings.length) {
+    this.push(new Buffer(this.strings.shift()));
+  } else {
+    this.push(null);
+  }
+};
+
+function DummyWritable(strings) {
+  _Writable.call(this);
+  this.strings = strings;
+  this.emit('writable');
+}
+
+util.inherits(DummyWritable, _Writable);
+
+DummyWritable.prototype._write = function _write(chunk, encoding, callback) {
+  this.strings.push(chunk.toString());
+  if (callback) callback();
+};
+
diff --git a/node_modules/lazystream/test/pipe_test.js b/node_modules/lazystream/test/pipe_test.js
new file mode 100644
index 000000000..7129e3591
--- /dev/null
+++ b/node_modules/lazystream/test/pipe_test.js
@@ -0,0 +1,36 @@
+
+var stream = require('../lib/lazystream');
+var helper = require('./helper');
+
+exports.pipe = {
+  readwrite: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+    var readableInstantiated = false;
+    var writableInstantiated = false;
+
+    test.expect(3);
+
+    var readable = new stream.Readable(function() {
+      readableInstantiated = true;
+      return new helper.DummyReadable([].concat(expected));
+    });
+
+    var writable = new stream.Writable(function() {
+      writableInstantiated = true;
+      return new helper.DummyWritable(actual);
+    });
+
+    test.equal(readableInstantiated, false, 'DummyReadable should only be instantiated when it is needed');
+    test.equal(writableInstantiated, false, 'DummyWritable should only be instantiated when it is needed');
+
+    writable.on('end', function() {
+      test.equal(actual.join(''), expected.join(''), 'Piping on demand streams should keep data intact');
+      test.done();
+    });
+    
+    readable.pipe(writable);
+  }
+};
+
+
diff --git a/node_modules/lazystream/test/readable_test.js b/node_modules/lazystream/test/readable_test.js
new file mode 100644
index 000000000..9ae06368d
--- /dev/null
+++ b/node_modules/lazystream/test/readable_test.js
@@ -0,0 +1,90 @@
+
+var Readable = require('../lib/lazystream').Readable;
+var DummyReadable = require('./helper').DummyReadable;
+
+exports.readable = {
+  dummy: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+
+    test.expect(1);
+
+    new DummyReadable([].concat(expected))
+      .on('data', function(chunk) {
+        actual.push(chunk.toString());
+      })
+      .on('end', function() {
+        test.equal(actual.join(''), expected.join(''), 'DummyReadable should produce the data it was created with');
+        test.done();
+      });
+  },
+  options: function(test) {
+    test.expect(3);
+
+    var readable = new Readable(function(options) {
+       test.ok(this instanceof Readable, "Readable should bind itself to callback's this");
+       test.equal(options.encoding, "utf-8", "Readable should make options accessible to callback");
+       this.ok = true;
+       return new DummyReadable(["test"]);
+    }, {encoding: "utf-8"});
+
+    readable.read(4);
+
+    test.ok(readable.ok);
+
+    test.done();
+  },
+  streams2: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+    var instantiated = false;
+
+    test.expect(2);
+
+    var readable = new Readable(function() {
+      instantiated = true;
+      return new DummyReadable([].concat(expected));
+    });
+
+    test.equal(instantiated, false, 'DummyReadable should only be instantiated when it is needed');
+
+    readable.on('readable', function() {
+      var chunk;
+      while ((chunk = readable.read())) {
+        actual.push(chunk.toString());
+      }
+    });
+    readable.on('end', function() {
+      test.equal(actual.join(''), expected.join(''), 'Readable should not change the data of the underlying stream');
+      test.done();
+    });
+
+    readable.read(0);
+  },
+  resume: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+    var instantiated = false;
+
+    test.expect(2);
+
+    var readable = new Readable(function() {
+      instantiated = true;
+      return new DummyReadable([].concat(expected));
+    });
+
+    readable.pause();
+
+    readable.on('data', function(chunk) {
+      actual.push(chunk.toString());
+    });
+    readable.on('end', function() {
+      test.equal(actual.join(''), expected.join(''), 'Readable should not change the data of the underlying stream');
+      test.done();
+    });
+
+    test.equal(instantiated, false, 'DummyReadable should only be instantiated when it is needed');
+
+    readable.resume();
+  }
+};
diff --git a/node_modules/lazystream/test/writable_test.js b/node_modules/lazystream/test/writable_test.js
new file mode 100644
index 000000000..a66384564
--- /dev/null
+++ b/node_modules/lazystream/test/writable_test.js
@@ -0,0 +1,59 @@
+
+var Writable = require('../lib/lazystream').Writable;
+var DummyWritable = require('./helper').DummyWritable;
+
+exports.writable = {
+  options: function(test) {
+    test.expect(3);
+
+    var writable = new Writable(function(options) {
+       test.ok(this instanceof Writable, "Writable should bind itself to callback's this");
+       test.equal(options.encoding, "utf-8", "Writable should make options accessible to callback");
+       this.ok = true;
+       return new DummyWritable([]);
+    }, {encoding: "utf-8"});
+
+    writable.write("test");
+
+    test.ok(writable.ok);
+
+    test.done();
+  },
+  dummy: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+    
+    test.expect(0);
+
+    var dummy = new DummyWritable(actual);
+
+    expected.forEach(function(item) {
+      dummy.write(new Buffer(item));
+    });
+    test.done();
+  },
+  streams2: function(test) {
+    var expected = [ 'line1\n', 'line2\n' ];
+    var actual = [];
+    var instantiated = false;
+
+    test.expect(2);
+
+    var writable = new Writable(function() {
+      instantiated = true;
+      return new DummyWritable(actual);
+    });
+
+    test.equal(instantiated, false, 'DummyWritable should only be instantiated when it is needed');
+
+    writable.on('end', function() {
+      test.equal(actual.join(''), expected.join(''), 'Writable should not change the data of the underlying stream');
+      test.done();
+    });
+
+    expected.forEach(function(item) {
+      writable.write(new Buffer(item));
+    });
+    writable.end();
+  }
+};