Cleanup cachier

Remove unused spawn code, general cleanup

Author: Ilya Radchenko

lib/cachier.js

@@ -1,52 +1,52 @@
+'use strict';
 
-var spawn = require('child_process').spawn
-  , path = require('path')
-  , fs = require('fs-extra')
+var path = require('path');
+var fs = require('fs-extra');
 
-module.exports = cachier
-
-function safespawn() {
-  var c = spawn.apply(null, arguments)
-  c.on('error', function (err) {
-    // suppress node errors
-  })
-  return c
-}
+module.exports = cachier;
 
 function cachier(base) {
   function child(sub) {
-    return cachier(path.join(base, sub))
+    return cachier(path.join(base, sub));
   }
+  
   child.get = function (key, dest, done) {
     if (arguments.length === 2) {
-      done = dest
-      dest = key
-      key = ''
+      done = dest;
+      dest = key;
+      key = '';
     }
-    copy(path.join(base, key), dest, done)
-  }
+    
+    copy(path.join(base, key), dest, done);
+  };
+  
   child.update = function (key, dest, done) {
     if (arguments.length === 2) {
-      done = dest
-      dest = key
-      key = ''
+      done = dest;
+      dest = key;
+      key = '';
     }
-    copy(dest, path.join(base, key), done)
+    
+    copy(dest, path.join(base, key), done);
   }
-  child.base = base
-  return child
+  
+  child.base = base;
+  
+  return child;
 }
 
 function copy(from, to, done) {
   fs.exists(from, function (exists) {
-    if (!exists) return done(new Error('Source does not exist: ' + from))
+    if (!exists) {
+      return done(new Error('Source does not exist: ' + from));
+    }
+    
     fs.remove(to, function () {
       fs.mkdirp(path.dirname(to), function () {
         fs.copy(from, to, function (err) {
-          return done(err && new Error('Failed to retrieve cached code: ' + err))
-        })
-      })
-    })
-  })
+          return done(err && new Error('Failed to retrieve cached code: ' + err));
+        });
+      });
+    });
+  });
 }
-