Lock the streams implementation to Streams2

Uses the readable-stream module, pinned at 1.0.x (Streams2) rather than
the node core stream module. Adds node 0.11 compatablity.

See http://www.nearform.com/nodecrunch/dont-use-nodes-core-stream-module
for more details.

Author: EvanOxfeld

.travis.yml

@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - "0.11"
   - "0.10"
   - "0.8"
 

lib/entry.js

@@ -2,13 +2,9 @@
 
 module.exports = Entry;
 
-var PassThrough = require('stream').PassThrough;
+var PassThrough = require('readable-stream/passthrough');
 var inherits = require('util').inherits;
 
-if (!PassThrough) {
-  PassThrough = require('readable-stream/passthrough');
-}
-
 inherits(Entry, PassThrough);
 
 function Entry () {

lib/extract.js

@@ -4,14 +4,10 @@ module.exports = Extract;
 
 var Parse = require("../unzip").Parse;
 var Writer = require("fstream").Writer;
-var Writable = require('stream').Writable;
+var Writable = require('readable-stream/writable');
 var path = require('path');
 var inherits = require('util').inherits;
 
-if (!Writable) {
-  Writable = require('readable-stream/writable');
-}
-
 inherits(Extract, Writable);
 
 function Extract (opts) {

lib/parse.js

@@ -3,18 +3,14 @@
 module.exports = Parse.create = Parse;
 
 require("setimmediate");
-var Transform = require('stream').Transform;
+var Transform = require('readable-stream/transform');
 var inherits = require('util').inherits;
 var zlib = require('zlib');
 var binary = require('binary');
 var PullStream = require('pullstream');
 var MatchStream = require('match-stream');
 var Entry = require('./entry');
 
-if (!Transform) {
-  Transform = require('readable-stream/transform');
-}
-
 inherits(Parse, Transform);
 
 function Parse(opts) {