diff --git a/lib/common/file.js b/lib/common/file.js
new file mode 100644
index 000000000..783a194ba
--- /dev/null
+++ b/lib/common/file.js
@@ -0,0 +1,36 @@
+'use strict';
+
+var _ = require('lodash'),
+    fs = require('fs-extra'),
+    glob = require('glob'),
+    path = require('path');
+
+var minify = require('../common/minify.js');
+
+/*----------------------------------------------------------------------------*/
+
+function copy(srcPath, destPath) {
+  return _.partial(fs.copy, srcPath, destPath);
+}
+
+function globTemplate(pattern) {
+  return _.transform(glob.sync(pattern), function(result, filePath) {
+    var key = path.basename(filePath, path.extname(filePath));
+    result[key] = _.template(fs.readFileSync(filePath, 'utf8'));
+  }, {});
+}
+
+function min(srcPath, destPath) {
+  return _.partial(minify, srcPath, destPath);
+}
+
+function write(filePath, data) {
+  return _.partial(fs.writeFile, filePath, data);
+}
+
+module.exports = {
+  'copy': copy,
+  'globTemplate': globTemplate,
+  'min': min,
+  'write': write
+};
diff --git a/lib/common/mapping.js b/lib/common/mapping.js
new file mode 100644
index 000000000..332f5afd4
--- /dev/null
+++ b/lib/common/mapping.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var _mapping = require('../../fp/_mapping'),
+    util = require('./util'),
+    Hash = util.Hash;
+
+/*----------------------------------------------------------------------------*/
+
+module.exports = new Hash(_mapping);
diff --git a/lib/common/uglify.options.js b/lib/common/uglify.options.js
index d79d4757f..469207fc5 100644
--- a/lib/common/uglify.options.js
+++ b/lib/common/uglify.options.js
@@ -1,4 +1,11 @@
-module.exports = {
+'use strict';
+
+var util = require('./util'),
+    Hash = util.Hash;
+
+/*----------------------------------------------------------------------------*/
+
+module.exports = new Hash({
   'compress': {
     'pure_getters': true,
     'unsafe': true,
@@ -13,4 +20,4 @@ module.exports = {
     'comments': /^!|@cc_on|@license|@preserve/i,
     'max_line_len': 500
   }
-};
+});
diff --git a/lib/common/util.js b/lib/common/util.js
index a0a13558e..64451862d 100644
--- a/lib/common/util.js
+++ b/lib/common/util.js
@@ -1,36 +1,27 @@
 'use strict';
 
-var _ = require('lodash'),
-    fs = require('fs-extra'),
-    glob = require('glob'),
-    path = require('path');
-
-var minify = require('../common/minify.js');
+var _ = require('lodash');
 
 /*----------------------------------------------------------------------------*/
 
-function copyFile(srcPath, destPath) {
-  return _.partial(fs.copy, srcPath, destPath);
+/**
+ * Creates a hash object. If a `properties` object is provided, its own
+ * enumerable properties are assigned to the created object.
+ *
+ * @memberOf util
+ * @param {Object} [properties] The properties to assign to the object.
+ * @returns {Object} Returns the new hash object.
+ */
+function Hash(properties) {
+  return _.transform(properties, function(result, value, key) {
+    result[key] = (_.isPlainObject(value) && !(value instanceof Hash))
+      ? new Hash(value)
+      : value;
+  }, this);
 }
 
-function globTemplate(pattern) {
-  return _.transform(glob.sync(pattern), function(result, filePath) {
-    var key = path.basename(filePath, path.extname(filePath));
-    result[key] = _.template(fs.readFileSync(filePath, 'utf8'));
-  }, {});
-}
-
-function minFile(srcPath, destPath) {
-  return _.partial(minify, srcPath, destPath);
-}
-
-function writeFile(filePath, data) {
-  return _.partial(fs.writeFile, filePath, data);
-}
+Hash.prototype = Object.create(null);
 
 module.exports = {
-  'copyFile': copyFile,
-  'globTemplate': globTemplate,
-  'minFile': minFile,
-  'writeFile': writeFile
+  'Hash': Hash
 };
diff --git a/lib/fp/build-dist.js b/lib/fp/build-dist.js
index 3506409fe..bad62d2eb 100644
--- a/lib/fp/build-dist.js
+++ b/lib/fp/build-dist.js
@@ -5,7 +5,7 @@ var _ = require('lodash'),
     path = require('path'),
     webpack = require('webpack');
 
-var util = require('../common/util');
+var file = require('../common/file');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist'),
@@ -48,7 +48,7 @@ function build() {
   async.series([
     _.partial(webpack, mappingConfig),
     _.partial(webpack, fpConfig),
-    util.minFile(path.join(distPath, filename))
+    file.min(path.join(distPath, filename))
   ], onComplete);
 }
 
diff --git a/lib/fp/build-doc.js b/lib/fp/build-doc.js
index 350b9a7e4..02800bcfd 100644
--- a/lib/fp/build-doc.js
+++ b/lib/fp/build-doc.js
@@ -2,12 +2,13 @@
 
 var _ = require('lodash'),
     fs = require('fs-extra'),
-    path = require('path'),
-    util = require('../common/util');
+    path = require('path');
 
-var mapping = require('../../fp/_mapping'),
-    templatePath = path.join(__dirname, 'template/doc'),
-    template = util.globTemplate(path.join(templatePath, '*.jst'));
+var file = require('../common/file'),
+    mapping = require('../common/mapping');
+
+var templatePath = path.join(__dirname, 'template/doc'),
+    template = file.globTemplate(path.join(templatePath, '*.jst'));
 
 var argNames = ['a', 'b', 'c', 'd'];
 
diff --git a/lib/fp/build-modules.js b/lib/fp/build-modules.js
index 5479c9a1c..43902e01c 100644
--- a/lib/fp/build-modules.js
+++ b/lib/fp/build-modules.js
@@ -5,11 +5,11 @@ var _ = require('lodash'),
     glob = require('glob'),
     path = require('path');
 
-var util = require('../common/util');
+var file = require('../common/file'),
+    mapping = require('../common/mapping');
 
-var mapping = require('../../fp/_mapping'),
-    templatePath = path.join(__dirname, 'template/modules'),
-    template = util.globTemplate(path.join(templatePath, '*.jst'));
+var templatePath = path.join(__dirname, 'template/modules'),
+    template = file.globTemplate(path.join(templatePath, '*.jst'));
 
 var aryMethods = _.union(
   mapping.aryMethod[1],
@@ -105,14 +105,14 @@ function build(target) {
 
   var actions = modulePaths.map(function(modulePath) {
     var moduleName = path.basename(modulePath, '.js');
-    return util.writeFile(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
+    return file.write(path.join(fpPath, moduleName + '.js'), getTemplate(moduleName));
   });
 
-  actions.unshift(util.copyFile(path.join(__dirname, '../../fp'), fpPath));
-  actions.push(util.writeFile(path.join(fpPath, '_falseOptions.js'), template._falseOptions()));
-  actions.push(util.writeFile(path.join(fpPath, '_util.js'), template._util()));
-  actions.push(util.writeFile(path.join(target, 'fp.js'), template.fp()));
-  actions.push(util.writeFile(path.join(fpPath, 'convert.js'), template.convert()));
+  actions.unshift(file.copy(path.join(__dirname, '../../fp'), fpPath));
+  actions.push(file.write(path.join(fpPath, '_falseOptions.js'), template._falseOptions()));
+  actions.push(file.write(path.join(fpPath, '_util.js'), template._util()));
+  actions.push(file.write(path.join(target, 'fp.js'), template.fp()));
+  actions.push(file.write(path.join(fpPath, 'convert.js'), template.convert()));
 
   async.series(actions, onComplete);
 }
diff --git a/lib/main/build-dist.js b/lib/main/build-dist.js
index b61741911..b43d86d3b 100644
--- a/lib/main/build-dist.js
+++ b/lib/main/build-dist.js
@@ -4,7 +4,7 @@ var _ = require('lodash'),
     async = require('async'),
     path = require('path');
 
-var util = require('../common/util');
+var file = require('../common/file');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist'),
@@ -23,8 +23,8 @@ function onComplete(error) {
 
 function build() {
   async.series([
-    util.copyFile(baseLodash, distLodash),
-    util.minFile(distLodash)
+    file.copy(baseLodash, distLodash),
+    file.min(distLodash)
   ], onComplete);
 }
 
diff --git a/lib/main/build-modules.js b/lib/main/build-modules.js
index 5d038c2f6..5d89e0dc2 100644
--- a/lib/main/build-modules.js
+++ b/lib/main/build-modules.js
@@ -4,7 +4,7 @@ var _ = require('lodash'),
     async = require('async'),
     path = require('path');
 
-var util = require('../common/util');
+var file = require('../common/file');
 
 var basePath = path.join(__dirname, '..', '..'),
     distPath = path.join(basePath, 'dist');
@@ -25,7 +25,7 @@ function onComplete(error) {
 
 function build(target) {
   var actions = _.map(filePairs, function(pair) {
-    return util.copyFile(pair[0], path.join(target, pair[1]));
+    return file.copy(pair[0], path.join(target, pair[1]));
   });
 
   async.series(actions, onComplete);