From 04feca95c7a24cc35533dd8162e8f594b7a62277 Mon Sep 17 00:00:00 2001
From: Malte Legenhausen <mlegenhausen@gmail.com>
Date: Mon, 9 Feb 2015 08:48:00 +0100
Subject: [PATCH] Semver versioning support added. Closed #17

---
 lib/index.js | 24 ++++++++++++++++--------
 package.json |  3 ++-
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index a6d48ef5..1f1f4bea 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -4,22 +4,30 @@ var realFs = require('fs');
 var path = require('path');
 
 var rewire = require('rewire');
+var semver = require('semver');
 
 var Binding = require('./binding');
 var FileSystem = require('./filesystem');
 
-var minor = process.versions.node.split('.').slice(0, 2).join('.');
 var versions = {
-  '0.8': 'fs-0.8.26.js',
-  '0.9': 'fs-0.9.12.js',
-  '0.10': 'fs-0.10.28.js',
-  '0.11': 'fs-0.11.13.js',
-  '0.12': 'fs-0.12.0.js'
+  '0.8.x': 'fs-0.8.26.js',
+  '0.9.x': 'fs-0.9.12.js',
+  '0.10.x': 'fs-0.10.28.js',
+  '0.11 - 0.11.14': 'fs-0.11.13.js',
+  '>= 0.11.15': 'fs-0.12.0.js'
 };
+var nodeVersion = process.versions.node;
+var fsName;
+
+Object.keys(versions).forEach(function (version) {
+  if (semver.satisfies(nodeVersion, version)) {
+    fsName = versions[version];
+    return false;
+  }
+});
 
-var fsName = versions[minor];
 if (!fsName) {
-  throw new Error('Unsupported Node version: ' + process.versions.node);
+  throw new Error('Unsupported Node version: ' + nodeVersion);
 }
 
 
diff --git a/package.json b/package.json
index 02c9a2d1..b12794cb 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
     "bench-it": "~0.1.0"
   },
   "dependencies": {
-    "rewire": "~2.0.0"
+    "rewire": "~2.0.0",
+    "semver": "^4.2.0"
   }
 }