Cleanup build files and add build/util.js.

Former-commit-id: 67e5564a17ec4a438e3d0768e8963a1384d4ce98

build/util.js

@@ -0,0 +1,92 @@
+#!/usr/bin/env node
+;(function() {
+  'use strict';
+
+  /** Load Node.js modules */
+  var fs = require('fs'),
+      path = require('path');
+
+  /** Load other modules */
+  var _ = require('../lodash.js');
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The path separator.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sep = path.sep || (process.platform == 'win32' ? '\\' : '/');
+
+  /**
+   * The escaped path separator used for inclusion in RegExp strings.
+   *
+   * @memberOf util.path
+   * @type String
+   */
+  var sepEscaped = sep.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Makes the given `dirname` directory, without throwing errors for existing
+   * directories and making parent directories as needed.
+   *
+   * @memberOf util.fs
+   * @param {String} dirname The path of the directory.
+   * @param {Number|String} [mode='0777'] The permission mode.
+   */
+  function mkdirpSync(dirname, mode) {
+    // ensure relative paths are prefixed with `./`
+    if (!RegExp('^\\.?' + sepEscaped).test(dirname)) {
+      dirname = '.' + sep + dirname;
+    }
+    dirname.split(sep).reduce(function(currPath, segment) {
+      currPath += sep + segment;
+      try {
+        currPath = fs.realpathSync(currPath);
+      } catch(e) {
+        fs.mkdirSync(currPath, mode);
+      }
+      return currPath;
+    });
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The utility object.
+   *
+   * @type Object
+   */
+  var util = {
+
+   /**
+    * The file system object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'fs': _.defaults({}, fs, {
+      'existsSync': fs.existsSync || path.existsSync,
+      'mkdirpSync': mkdirpSync
+    }),
+
+   /**
+    * The path object.
+    *
+    * @memberOf util
+    * @type Object
+    */
+    'path': _.defaults({}, path, {
+      'sep': sep,
+      'sepEscaped': sepEscaped
+    })
+  };
+
+  /*--------------------------------------------------------------------------*/
+
+  // expose
+  module.exports = util;
+}());