added homedir polyfil

Author: tr4n2uil

lib/LocalBinary.js

@@ -21,7 +21,7 @@ function LocalBinary(){
   }
 
   this.orderedPaths = [
-    path.join(os.homedir(), '.browserstack'),
+    path.join(this.homedir(), '.browserstack'),
     process.cwd(),
     os.tmpdir()
   ];
@@ -82,6 +82,28 @@ function LocalBinary(){
       return false;
     }
   };
+
+  this.homedir = function() {
+    if(typeof os.homedir === 'function') return os.homedir();
+
+    var env = process.env;
+    var home = env.HOME;
+    var user = env.LOGNAME || env.USER || env.LNAME || env.USERNAME;
+
+    if (process.platform === 'win32') {
+      return env.USERPROFILE || env.HOMEDRIVE + env.HOMEPATH || home || null;
+    }
+
+    if (process.platform === 'darwin') {
+      return home || (user ? '/Users/' + user : null);
+    }
+
+    if (process.platform === 'linux') {
+      return home || (process.getuid() === 0 ? '/root' : (user ? '/home/' + user : null));
+    }
+
+    return home || null;
+  }
 }
 
 module.exports = LocalBinary;