OpenSource/GildedRose-Refactoring-Kata
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change for loop to forEach

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This commit is contained in:
James Hall 2023-01-05 09:50:49 -06:00
parent 6a54ec762c
commit e363204d98
1 changed files with 20 additions and 29 deletions
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49
js-jest/src/gilded_rose.js
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@ -12,59 +12,50 @@ class Shop {
}
updateQuality() {
for (let i = 0; i < this.items.length; i++) {
// Initialize three variables for easier reading below.
let itemSellIn = this.items[i].sellIn
let itemQuality = this.items[i].quality
let itemName = this.items[i].name
this.items.forEach(item => {
// Set a degradation multiplier to 2 if expiration date has passed
// Otherwise set it to 1 (no multiplier)
let degradationMultiplier = itemSellIn < 0 ? 2 : 1
let degradationMultiplier = item.sellIn < 0 ? 2 : 1
switch (itemName) {
switch (item.name) {
case 'Aged Brie':
itemQuality++
itemSellIn--
item.quality++
item.sellIn--
break;
case 'Backstage passes to a TAFKAL80ETC concert':
switch (true) {
case (itemSellIn < 0):
itemQuality = 0
case (item.sellIn < 0):
item.quality = 0
break;
case (itemSellIn <= 5):
itemQuality += 3
case (item.sellIn <= 5):
item.quality += 3
break;
case (itemSellIn <= 10):
itemQuality += 2
case (item.sellIn <= 10):
item.quality += 2
break;
default:
itemQuality++
item.quality++
break;
}
itemSellIn--
item.sellIn--
break;
case 'Sulfuras, Hand of Ragnaros':
break;
case 'Conjured Mana Cake':
itemQuality -= (2 * degradationMultiplier)
itemSellIn--
item.quality -= (2 * degradationMultiplier)
item.sellIn--
break;
default:
itemQuality -= (1 * degradationMultiplier)
itemSellIn--
item.quality -= (1 * degradationMultiplier)
item.sellIn--
}
// Item quality cannot be higher than 50 or lower than 0.
if (itemQuality > 50) itemQuality = 50
if (itemQuality < 0) itemQuality = 0
if (item.quality > 50) item.quality = 50
if (item.quality < 0) item.quality = 0
// Use the modified variables to set the actual properties on the item
this.items[i].sellIn = itemSellIn
this.items[i].quality = itemQuality
}
})
return this.items;
}