From 12e7f8e82e6e694901f1201b2b55a4d75bf48e22 Mon Sep 17 00:00:00 2001
From: Gayun00 <gayunlee11@gmail.com>
Date: Wed, 18 Oct 2023 23:24:16 +0900
Subject: [PATCH] Refactor: use union type in ItemName type to implement Item
 interface

---
 .DS_Store                     | Bin 10244 -> 10244 bytes
 TypeScript/app/gilded-rose.ts |  15 +++++++++------
 TypeScript/app/itemClasses.ts |  16 +++++++++++-----
 sql/structure/.DS_Store       | Bin 0 -> 6148 bytes
 4 files changed, 20 insertions(+), 11 deletions(-)
 create mode 100644 sql/structure/.DS_Store

diff --git a/.DS_Store b/.DS_Store
index ea98df94d0379f9f54f56e26e7289fdc061b7cb9..68ab2b040751316ef8ce33c8827fe7f34dd04391 100644
GIT binary patch
delta 225
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delta 31
ncmZn(XbG6$&*-@^U^hRb=Vl&(Ccep;^7AG(+}_Nt@RuC`wu=kN

diff --git a/TypeScript/app/gilded-rose.ts b/TypeScript/app/gilded-rose.ts
index 31bf931f..c6f963c6 100644
--- a/TypeScript/app/gilded-rose.ts
+++ b/TypeScript/app/gilded-rose.ts
@@ -1,19 +1,22 @@
-import { AgedBrie, Passes, Surfras } from "./itemClasses";
-type ItemClasses = AgedBrie[] | Surfras[] | Passes[];
+import { Item } from "./itemClasses";
+
+interface ItemForSale extends Item {
+  handleQuality: () => void;
+  handleSellIn: () => void;
+}
 
 export class GildedRose {
-  items: ItemClasses;
-  constructor(items = [] as ItemClasses) {
+  items: ItemForSale[];
+  constructor(items = [] as ItemForSale[]) {
     this.items = items;
   }
 
   updateQuality() {
-    const updatedItems = this.items.map((item) => {
+    return this.items.map((item) => {
       item.handleSellIn();
       item.handleQuality();
 
       return item;
     });
-    return updatedItems as ItemClasses;
   }
 }
diff --git a/TypeScript/app/itemClasses.ts b/TypeScript/app/itemClasses.ts
index 8a1b6aac..2f7647b5 100644
--- a/TypeScript/app/itemClasses.ts
+++ b/TypeScript/app/itemClasses.ts
@@ -1,9 +1,15 @@
-export class Item {
-  name: string;
-  sellIn: number;
-  quality: number;
+export type ItemName =
+  | "Aged Brie"
+  | "Backstage passes to a TAFKAL80ETC concert"
+  | "Conjured Mana Cake"
+  | "Sulfuras, Hand of Ragnaros";
 
-  constructor(name, sellIn, quality) {
+export class Item {
+  name;
+  sellIn;
+  quality;
+
+  constructor(name: ItemName, sellIn: number, quality: number) {
     this.name = name;
     this.sellIn = sellIn;
     this.quality = quality;
diff --git a/sql/structure/.DS_Store b/sql/structure/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..03d9eb65a502f72354968b11716ca51eeb18f62f
GIT binary patch
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literal 0
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