1 files changed, 53 insertions, 0 deletions
diff --git a/src/Angular.js b/src/Angular.js
index b174a54c..0f66d99c 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -727,6 +727,59 @@ function bind(self, fn) {
   }
 }
 
+
+function toJsonReplacer(key, value) {
+  var val = value;
+
+  if (/^\$+/.test(key)) {
+    val = undefined;
+  } else if (isWindow(value)) {
+    val = '$WINDOW';
+  } else if (value &&  document === value) {
+    val = '$DOCUMENT';
+  } else if (isScope(value)) {
+    val = '$SCOPE';
+  }
+
+  return val;
+};
+
+
+/**
+ * @ngdoc function
+ * @name angular.toJson
+ * @function
+ *
+ * @description
+ * Serializes input into a JSON-formatted string.
+ *
+ * @param {Object|Array|Date|string|number} obj Input to be serialized into JSON.
+ * @param {boolean=} pretty If set to true, the JSON output will contain newlines and whitespace.
+ * @returns {string} Jsonified string representing `obj`.
+ */
+function toJson(obj, pretty) {
+  return JSON.stringify(obj, toJsonReplacer, pretty ? '  ' : null);
+}
+
+
+/**
+ * @ngdoc function
+ * @name angular.fromJson
+ * @function
+ *
+ * @description
+ * Deserializes a JSON string.
+ *
+ * @param {string} json JSON string to deserialize.
+ * @returns {Object|Array|Date|string|number} Deserialized thingy.
+ */
+function fromJson(json) {
+  return isString(json)
+      ? JSON.parse(json)
+      : json;
+}
+
+
 function toBoolean(value) {
   if (value && value.length !== 0) {
     var v = lowercase("" + value);