From f73f3ef53932fc823e017905610e8021519bf4a5 Mon Sep 17 00:00:00 2001
From: Allan Aievoli <allan@webjump.com.br>
Date: Mon, 30 Oct 2017 16:29:38 -0200
Subject: [PATCH 1/2] Fix missing discount label in checkout

---
 .../frontend/web/js/view/summary/discount.js     | 16 ++++++++++++++++
 .../web/template/cart/totals/discount.html       |  2 +-
 .../frontend/web/template/summary/discount.html  |  2 +-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js b/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
index 5b04700596272..e31266c744678 100644
--- a/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
+++ b/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
@@ -44,6 +44,22 @@ define([
             return this.totals()['coupon_label'];
         },
 
+        getTitle: function () {
+            if (!this.totals()) {
+                return null;
+            }
+
+            var total = this.totals();
+
+            for(var i = 0, len = total.total_segments.length; i < len; i++) {
+                if(total.total_segments[i].code == "discount") {
+                    return total.total_segments[i].title;
+                }
+            }
+
+            return null;
+        },
+
         /**
          * @return {Number}
          */
diff --git a/app/code/Magento/SalesRule/view/frontend/web/template/cart/totals/discount.html b/app/code/Magento/SalesRule/view/frontend/web/template/cart/totals/discount.html
index 4b70b4b110c97..8fbb4a6ce74ae 100644
--- a/app/code/Magento/SalesRule/view/frontend/web/template/cart/totals/discount.html
+++ b/app/code/Magento/SalesRule/view/frontend/web/template/cart/totals/discount.html
@@ -7,7 +7,7 @@
 <!-- ko if: isDisplayed() -->
 <tr class="totals">
     <th colspan="1" style="" class="mark" scope="row">
-        <span class="title" data-bind="text: title"></span>
+        <span class="title" data-bind="text: getTitle()"></span>
         <span class="discount coupon" data-bind="text: getCouponLabel()"></span>
     </th>
     <td class="amount" data-bind="attr: {'data-th': title}">
diff --git a/app/code/Magento/SalesRule/view/frontend/web/template/summary/discount.html b/app/code/Magento/SalesRule/view/frontend/web/template/summary/discount.html
index 17a9559fa01f2..017e358c7e419 100644
--- a/app/code/Magento/SalesRule/view/frontend/web/template/summary/discount.html
+++ b/app/code/Magento/SalesRule/view/frontend/web/template/summary/discount.html
@@ -7,7 +7,7 @@
 <!-- ko if: isDisplayed() -->
 <tr class="totals discount">
     <th class="mark" scope="row">
-        <span class="title" data-bind="text: title"></span>
+        <span class="title" data-bind="text: getTitle()"></span>
         <span class="discount coupon" data-bind="text: getCouponCode()"></span>
     </th>
     <td class="amount">

From 8bafcac3156b693a46ad0865e268f2e50d9ab97a Mon Sep 17 00:00:00 2001
From: Oleksii Korshenko <okorshenko@magento.com>
Date: Fri, 3 Nov 2017 17:46:09 -0500
Subject: [PATCH 2/2] Fix missing discount label in checkout #11883

 - fixed code style
---
 .../frontend/web/js/view/summary/discount.js  | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js b/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
index e31266c744678..dba988a502115 100644
--- a/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
+++ b/app/code/Magento/SalesRule/view/frontend/web/js/view/summary/discount.js
@@ -44,20 +44,21 @@ define([
             return this.totals()['coupon_label'];
         },
 
+        /**
+         * Get discount title
+         *
+         * @returns {null|string}
+         */
         getTitle: function () {
+            var discountSegments = null;
             if (!this.totals()) {
                 return null;
             }
 
-            var total = this.totals();
-
-            for(var i = 0, len = total.total_segments.length; i < len; i++) {
-                if(total.total_segments[i].code == "discount") {
-                    return total.total_segments[i].title;
-                }
-            }
-
-            return null;
+            discountSegments = this.totals()['total_segments'].filter(function (segment) {
+                return (segment.code === 'discount');
+            });
+            return discountSegments.length ? discountSegments[0].title : null;
         },
 
         /**