NW | 25-ITP-Sep | TzeMing Ho | Sprint 1 | feature/destructuring

Sprint-1/destructuring/exercise-1/exercise.js

@@ -6,7 +6,7 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+function introduceYourself({name, age, favouriteFood}) {
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );

Sprint-1/destructuring/exercise-2/exercise.js

@@ -70,3 +70,19 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+
+function gryffindorHouse(hogwarts) {
+  return hogwarts.filter(({house}) => house === 'Gryffindor').map(({firstName, lastName}) => `${firstName} ${lastName}`).join("\n")
+}
+
+function teachersWithPets(hogwarts) {
+  return hogwarts.reduce((nameList, {firstName, lastName, pet, occupation}) => {
+    if (occupation === "Teacher" && pet !== null) {
+      nameList.push(`${firstName} ${lastName}`)
+    }
+    return nameList;
+  }, []).join("\n")
+}
+
+console.log(gryffindorHouse(hogwarts));

Sprint-1/destructuring/exercise-3/exercise.js

@@ -6,3 +6,33 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+
+function receiptAndCosts(order) {
+  let total = 0;
+
+  let receipt = []
+
+  function orderLineFormatting(...args) {
+    const orderLineSpacing = [8, 20, 5]
+    let formattedOrderLine = ''
+    for (let index = 0; index < args.length; index++) {
+      formattedOrderLine += `${String(args[index]).padEnd(orderLineSpacing[index], " ")}`
+    }
+    return formattedOrderLine
+  }
+
+  receipt.push(orderLineFormatting("QTY", "ITEM", "TOTAL"));
+
+  order.forEach(({itemName, quantity, unitPricePence}) => {
+    const subTotal = (unitPricePence / 100 * quantity).toFixed(2)
+    receipt.push(orderLineFormatting(quantity, itemName, subTotal))
+    total += unitPricePence / 100 * quantity
+  })
+
+  receipt.push(" ")
+  receipt.push(`Total: ${total.toFixed(2)}`)
+  return receipt.join("\n")
+}
+
+console.log(receiptAndCosts(order))