Merge pull request yahoo#11 from caridy/beautifier

close yahoo#10: adding beautification option to serialize()

Author: ericf

README.md

@@ -48,6 +48,8 @@ The above will produce the following string output:
 '{"str":"string","num":0,"obj":{"foo":"foo"},"arr":[1,2,3],"bool":true,"nil":null,"fn":function echo(arg) { return arg; },"re":/([^\\s]+)/g}'
 ```
 
+Note: to produced a beautified string, you can pass an optional second argument to `serialize()` to define the number of spaces to be used for the indentation.
+
 ### Automatic Escaping of HTML Characters
 
 A primary feature of this package is to serialize code to a string of literal JavaScript which can be embedded in an HTML document by adding it as the contents of the `<script>` element. In order to make this safe, HTML characters and JavaScript line terminators are escaped automatically.

index.js

@@ -25,7 +25,7 @@ var UNICODE_CHARS = {
     '\u2029': '\\u2029'
 };
 
-module.exports = function serialize(obj) {
+module.exports = function serialize(obj, space) {
     var functions = [];
     var regexps   = [];
     var str;
@@ -43,7 +43,7 @@ module.exports = function serialize(obj) {
         }
 
         return value;
-    });
+    }, space);
 
     // Protects against `JSON.stringify()` returning `undefined`, by serializing
     // to the literal string: "undefined".