From a033980b66ea7f081497052a3739dbb0bf385262 Mon Sep 17 00:00:00 2001
From: Arthur Britto <ahbritto@gmail.com>
Date: Thu, 18 Oct 2012 12:23:17 -0700
Subject: [PATCH] JS: Add negate() and parse_issuer() to Amount.

---
 js/amount.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/js/amount.js b/js/amount.js
index 09991347..c3dfa390 100644
--- a/js/amount.js
+++ b/js/amount.js
@@ -258,6 +258,15 @@ Amount.prototype.canonicalize = function() {
   }
 };
 
+Amount.prototype.negate = function () {
+  if (this.is_native) {
+    this.value.negate();
+  }
+  else {
+    this.is_negative  = !this.is_negative;
+  }
+};
+
 Amount.prototype.to_json = function() {
   if (this.is_native) {
     return this.to_text();
@@ -400,6 +409,12 @@ Amount.prototype.parse_json = function(j) {
   return this;
 };
 
+Amount.prototype.parse_issuer = function (issuer) {
+  this.issuer.parse_json(issuer);
+
+  return this;
+};
+
 exports.setAccounts   = setAccounts;
 exports.Amount	      = Amount;
 exports.Currency      = Currency;