diff --git a/TypeScript/app/gilded-rose.ts b/TypeScript/app/gilded-rose.ts
index db58d678..a00c5641 100644
--- a/TypeScript/app/gilded-rose.ts
+++ b/TypeScript/app/gilded-rose.ts
@@ -1,3 +1,5 @@
+import CNST from "./util/constants";
+
 export class Item {
   name: string;
   sellIn: number;
@@ -19,46 +21,47 @@ export class GildedRose {
 
   updateQuality() {
     for (let i = 0; i < this.items.length; i++) {
-      if (this.items[i].name != 'Aged Brie' && this.items[i].name != 'Backstage passes to a TAFKAL80ETC concert') {
+      if ([CNST.AGED_BRIE, CNST.BCST_TAF].includes(this.items[i].name)) {
         if (this.items[i].quality > 0) {
-          if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
-            this.items[i].quality = this.items[i].quality - 1
+          if (this.items[i].name != CNST.SULFURAS) {
+            this.items[i].quality = this.items[i].quality - 1;
           }
         }
       } else {
         if (this.items[i].quality < 50) {
-          this.items[i].quality = this.items[i].quality + 1
-          if (this.items[i].name == 'Backstage passes to a TAFKAL80ETC concert') {
+          this.items[i].quality = this.items[i].quality + 1;
+          if (this.items[i].name == CNST.BCST_TAF) {
             if (this.items[i].sellIn < 11) {
               if (this.items[i].quality < 50) {
-                this.items[i].quality = this.items[i].quality + 1
+                this.items[i].quality = this.items[i].quality + 1;
               }
             }
             if (this.items[i].sellIn < 6) {
               if (this.items[i].quality < 50) {
-                this.items[i].quality = this.items[i].quality + 1
+                this.items[i].quality = this.items[i].quality + 1;
               }
             }
           }
         }
       }
-      if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
+      if (this.items[i].name != CNST.SULFURAS) {
         this.items[i].sellIn = this.items[i].sellIn - 1;
       }
       if (this.items[i].sellIn < 0) {
-        if (this.items[i].name != 'Aged Brie') {
-          if (this.items[i].name != 'Backstage passes to a TAFKAL80ETC concert') {
+        if (this.items[i].name != CNST.AGED_BRIE) {
+          if (this.items[i].name != CNST.BCST_TAF) {
             if (this.items[i].quality > 0) {
-              if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
-                this.items[i].quality = this.items[i].quality - 1
+              if (this.items[i].name != CNST.SULFURAS) {
+                this.items[i].quality = this.items[i].quality - 1;
               }
             }
           } else {
-            this.items[i].quality = this.items[i].quality - this.items[i].quality
+            this.items[i].quality =
+              this.items[i].quality - this.items[i].quality;
           }
         } else {
           if (this.items[i].quality < 50) {
-            this.items[i].quality = this.items[i].quality + 1
+            this.items[i].quality = this.items[i].quality + 1;
           }
         }
       }
diff --git a/TypeScript/app/util/constants.ts b/TypeScript/app/util/constants.ts
new file mode 100644
index 00000000..f844fc22
--- /dev/null
+++ b/TypeScript/app/util/constants.ts
@@ -0,0 +1,6 @@
+const AGED_BRIE = "Aged Brie";
+const BCST_TAF = "Backstage passes to a TAFKAL80ETC concert";
+const SULFURAS = "Sulfuras, Hand of Ragnaros";
+const SULFURAS_HAND = "Sulfuras, Hand of Ragnaros";
+
+export default { AGED_BRIE, BCST_TAF, SULFURAS, SULFURAS_HAND };