minor refactoring

Author: JamesMessinger

lib/util.js

@@ -4,27 +4,19 @@ var debug           = require('debug'),
     _isFunction     = require('lodash/lang/isFunction'),
     protocolPattern = /^[a-z0-9.+-]+:\/\//i;
 
-module.exports = {
-  /**
-   * Writes messages to stdout.
-   * Log messages are suppressed by default, but can be enabled by setting the DEBUG variable.
-   * @type {function}
-   */
-  debug: debug('json-schema-ref-parser'),
-  cwd: cwd,
-  isUrl: isUrl,
-  getHash: getHash,
-  stripHash: stripHash,
-  extname: extname,
-  doCallback: doCallback
-};
+/**
+ * Writes messages to stdout.
+ * Log messages are suppressed by default, but can be enabled by setting the DEBUG variable.
+ * @type {function}
+ */
+exports.debug = debug('json-schema-ref-parser');
 
 /**
  * Returns the current working directory (in Node) or the current page URL (in browsers).
  *
  * @returns {string}
  */
-function cwd() {
+exports.cwd = function cwd() {
   return process.browser ? location.href : process.cwd() + '/';
 }
 
@@ -34,7 +26,7 @@ function cwd() {
  * @param   {string} path
  * @returns {boolean}
  */
-function isUrl(path) {
+exports.isUrl = function isUrl(path) {
   return protocolPattern.test(path);
 }
 
@@ -44,7 +36,7 @@ function isUrl(path) {
  * @param   {string} path
  * @returns {string}
  */
-function getHash(path) {
+exports.getHash = function getHash(path) {
   var hashIndex = path.indexOf('#');
   if (hashIndex >= 0) {
     return path.substr(hashIndex);
@@ -58,7 +50,7 @@ function getHash(path) {
  * @param   {string} path
  * @returns {string}
  */
-function stripHash(path) {
+exports.stripHash = function stripHash(path) {
   var hashIndex = path.indexOf('#');
   if (hashIndex >= 0) {
     path = path.substr(0, hashIndex);
@@ -72,7 +64,7 @@ function stripHash(path) {
  * @param   {string} path
  * @returns {string}
  */
-function extname(path) {
+exports.extname = function extname(path) {
   var lastDot = path.lastIndexOf('.');
   if (lastDot >= 0) {
     return path.substr(lastDot).toLowerCase();
@@ -87,7 +79,7 @@ function extname(path) {
  * @param {*}       [err]
  * @param {...*}    [params]
  */
-function doCallback(callback, err, params) {
+exports.doCallback = function doCallback(callback, err, params) {
   if (_isFunction(callback)) {
     var args = Array.prototype.slice.call(arguments, 1);