From 47a7468fa25f6a1c4edbfe6a436a39fc221506e3 Mon Sep 17 00:00:00 2001
From: Isaiah Odhner <isaiahodhner@gmail.com>
Date: Fri, 1 May 2015 19:02:52 -0400
Subject: [PATCH] Simplify module pattern, util, and improve existing error
 handling

---
 lib/cereal.js | 29 ++++++++++-------------------
 1 file changed, 10 insertions(+), 19 deletions(-)

diff --git a/lib/cereal.js b/lib/cereal.js
index 4e3da80..ef1f5ed 100644
--- a/lib/cereal.js
+++ b/lib/cereal.js
@@ -1,4 +1,4 @@
-/*global exports */
+/*global module */
 /*jslint browser: true, devel: true */
 
 var Cereal;
@@ -6,15 +6,9 @@ var Cereal;
 (function (window) {
     'use strict';
 
-    var util, cereal;
-
-    util = (function () {
-        return {
-            isPrimitive: function (obj) {
-                return obj !== Object(obj);
-            }
-        };
-    }());
+    var isPrimitive = function (obj) {
+        return obj !== Object(obj);
+    };
 
     (function () {
         var undef  = 0,
@@ -48,7 +42,7 @@ var Cereal;
                     target[0] = undef;
                 } else if (null === obj) {
                     target[0] = nu;
-                } else if (util.isPrimitive(obj)) {
+                } else if (isPrimitive(obj)) {
                     target[0] = prim;
                     target[1] = obj;
                 } else {
@@ -123,18 +117,18 @@ var Cereal;
                 case ref:
                     target[field] = seen[item[3]];
                     if (target[field] === undefined) {
-                        throw "Decoding error";
+                        throw new Error("Decoding error: referenced object not found");
                     }
                     break;
                 default:
-                    throw "Decoding error";
+                    throw new Error("Decoding error: unhandled object type code " + item[2]);
                 }
             }
 
             return root.value;
         };
 
-        cereal = {
+        Cereal = {
             stringify: function (obj) {
                 return JSON.stringify(jsonify(obj));
             },
@@ -145,11 +139,8 @@ var Cereal;
         };
     }());
 
-    if (typeof exports === "undefined") {
-        Cereal = cereal;
-    } else {
-        exports.stringify = cereal.stringify;
-        exports.parse = cereal.parse;
+    if (typeof module !== "undefined") {
+        module.exports = Cereal;
     }
 
 }(this));